[500665] Introduce a list widget

Bug: 500665
Change-Id: I8edf7eb358be618753c2bf2f64a62fa636e13cfc
Signed-off-by: Stéphane Bégaudeau <stephane.begaudeau@obeo.fr>

36 files changed, 3040 insertions, 100 deletions

diff --git a/plugins/org.eclipse.sirius.doc/doc/Release_Notes.html b/plugins/org.eclipse.sirius.doc/doc/Release_Notes.html
index db6c8b386d..088a13ba27 100644
--- a/plugins/org.eclipse.sirius.doc/doc/Release_Notes.html
+++ b/plugins/org.eclipse.sirius.doc/doc/Release_Notes.html
@@ -147,9 +147,16 @@
 				<code>displayExpression</code>, if blank the result of the value expression will be used after a call to the method 
 				<code>java.lang.Object#toString()</code>.
 			</li>
+			<li><span class="label label-success">Added</span> A new widget named List with the same behavior as the multiple reference widget.</li>
 			<li><span class="label label-info">Modified</span> The rules concerning the layout of compartments have been changed/completed. You can have a look at the 
 				<a href="specifier/diagrams/Diagrams.html#compartments_layout">dedicated chapter</a> in the specifier documentation for more details.
 			</li>
+			<li><span class="label label-info">Modified</span> The properties 
+				<code>fontSize</code> and 
+				<code>labelFontSize</code> have been renamed into 
+				<code>fontSizeExpression</code> and 
+				<code>labelFontSizeExpression</code> since both of them were already treated as expression.
+			</li>
 			<li><span class="label label-info">Modified</span> The property 
 				<code>Domain Class Expression</code> in 
 				<code>DynamicMappingFor</code> elements (in properties views definitions) has been renamed into 
@@ -159,12 +166,6 @@
 				<code>org.eclipse.sirius.diagram.ui.layoutDataManager</code> is deprecated. It is replaced by the new extension point 
 				<code>org.eclipse.sirius.diagram.ui.formatDataManager</code>. The deprecated extension point will be removed in the next 5.0 Sirius major release. Several classes associated with this deprecated extension point are also deprecated (see Developer-Visible Changes for details).
 			</li>
-			<li><span class="label label-info">Modified</span> The properties 
-				<code>fontSize</code> and 
-				<code>labelFontSize</code> have been renamed into 
-				<code>fontSizeExpression</code> and 
-				<code>labelFontSizeExpression</code> since both of them were already treated as expression.
-			</li>
 		</ul>
 		<h3 id="DeveloperVisibleChanges">Developer-Visible Changes</h3>
 		<ul>
diff --git a/plugins/org.eclipse.sirius.doc/doc/Release_Notes.textile b/plugins/org.eclipse.sirius.doc/doc/Release_Notes.textile
index 1f05ef01ea..7231050457 100644
--- a/plugins/org.eclipse.sirius.doc/doc/Release_Notes.textile
+++ b/plugins/org.eclipse.sirius.doc/doc/Release_Notes.textile
@@ -23,6 +23,7 @@ h3. Specifier-Visible Changes
 
 * <span class="label label-success">Added</span> In the definition of the Properties view, hyperlink and label widgets can now have widget actions
 * <span class="label label-success">Added</span> Hyperlink and label widgets now have a @displayExpression@, if blank the result of the value expression will be used after a call to the method @java.lang.Object#toString()@.
+* <span class="label label-success">Added</span> A new widget named List with the same behavior as the multiple reference widget.
 * <span class="label label-info">Modified</span> The rules concerning the layout of compartments have been changed/completed. You can have a look at the "dedicated chapter":specifier/diagrams/Diagrams.html#compartments_layout in the specifier documentation for more details.
 * <span class="label label-info">Modified</span> The properties @fontSize@ and @labelFontSize@ have been renamed into @fontSizeExpression@ and @labelFontSizeExpression@ since both of them were already treated as expression.
 * <span class="label label-info">Modified</span> The property @Domain Class Expression@ in @DynamicMappingFor@ elements (in properties views definitions) has been renamed into @Iterable Expression@.
diff --git a/plugins/org.eclipse.sirius.doc/doc/specifier/properties/Properties_View_Description.html b/plugins/org.eclipse.sirius.doc/doc/specifier/properties/Properties_View_Description.html
index 854427f075..5c390e7bfd 100644
--- a/plugins/org.eclipse.sirius.doc/doc/specifier/properties/Properties_View_Description.html
+++ b/plugins/org.eclipse.sirius.doc/doc/specifier/properties/Properties_View_Description.html
@@ -785,7 +785,7 @@
 				<em>Multiple</em> flags is checked,
 			</li>
 			<li>buttons when 
-				<a href="#actions">
+				<a href="#reference_actions">
 					<em>Action Widgets</em>
 				</a> are defined.
 			</li>
@@ -847,7 +847,7 @@
 			<em>Begin</em> can use the 
 			<code>selection</code> variable which represents the values selected by the user. It could be at least one element or a list of elements in case of multiple flags is checked.
 		</p>
-		<h5 id="actions">Actions</h5>
+		<h5 id="reference_actions">Actions</h5>
 		<p>A reference can contain 
 			<em>actions</em> which represent 
 			<strong>buttons</strong> associated to the reference field, as shown in the illustration above.
@@ -856,7 +856,7 @@
 			<em>Label Expression</em> which is used to compute the label displayed on the button and should return a string. If the expression is not specified, the default value is equal to 
 			<code>...</code>.
 		</p>
-		<h5 id="action_pushed_button">Action pushed button</h5>
+		<h5 id="reference_action_pushed_button">Action pushed button</h5>
 		<p>To define the behavior of the button when is pushed, you simply specify the behavior associated to the edition inside the 
 			<em>Begin</em> element using all the standard 
 			<a href="/help/topic/org.eclipse.sirius.doc/doc/specifier/general/Model_Operations.html">model operations</a>.
@@ -871,6 +871,71 @@
 			<a href="#conditional_styles">conditional styles</a> and 
 			<a href="#widgets_styles">widgets styles</a> section to find details on what is specific to widgets.
 		</p>
+		<h4 id="list">List</h4>
+		<p>A 
+			<em>List Description</em> is used to represent a 
+			<strong>table with buttons</strong> in a 
+			<a href="#groups">group</a> or in a 
+			<a href="#containers">container</a>.
+		</p>
+		<p>Depending on the parameters configuration the list widget will be represented thanks to a table and multiple buttons when 
+			<a href="#list_actions">
+				<em>Action Widgets</em>
+			</a> are defined.
+		</p>
+		<p>The definition of a list follows the general rules described 
+			<a href="#widgets">above</a> to determine the semantic elements for which a list should be created. It is evaluated in the context of the semantic target element.
+		</p>
+		<p>For lists, you must define:</p>
+		<ul>
+			<li>the 
+				<em>Value Expression</em> which is used to compute the element to display and should return an object.
+			</li>
+			<li>the 
+				<em>Display Expression</em> which is used to compute the text displayed in the text field and should return a string. It is evaluated in the context of the semantic target element and has access to the variable 
+				<code>value</code> which corresponds to the element to display.
+			</li>
+			<li>the "
+				<em>actions</em>"#actions are used to associate some buttons to the text field.
+			</li>
+		</ul>
+		<h5 id="list_click_on_value">Click on value</h5>
+		<p>If the 
+			<em>On Click Expression</em> is set then this expression defines the behavior executed when the user clicks or double-clicks on an element in the table. A variable named 
+			<code>onClickEventKind</code> will be available to determine if the expression has been triggered by a single click or double click. In case of a single click, the variable will have the value &#8220;SINGLE_CLICK&#8221; and &#8220;DOUBLE_CLICK&#8221; in case of a double click.
+		</p>
+		<p>To define the behavior, you simply specify the behavior associated to the edition inside the 
+			<em>Begin</em> element using all the standard 
+			<a href="/help/topic/org.eclipse.sirius.doc/doc/specifier/general/Model_Operations.html">model operations</a>.
+		</p>
+		<p>The expressions defined under the 
+			<em>Begin</em> can use the 
+			<code>selection</code> variable which represents the values selected by the user. This variable will contain the list of the values selected.
+		</p>
+		<h5 id="list_actions">Actions</h5>
+		<p>A list can contain 
+			<em>actions</em> which represent 
+			<strong>buttons</strong> associated to the list field.
+		</p>
+		<p>For actions, you must define the 
+			<em>Label Expression</em> which is used to compute the label displayed on the button and should return a string. If the expression is not specified, the default value is equal to 
+			<code>...</code>.
+		</p>
+		<h5 id="list_action_pushed_button">Action pushed button</h5>
+		<p>To define the behavior of the button when is pushed, you simply specify the behavior associated to the edition inside the 
+			<em>Begin</em> element using all the standard 
+			<a href="/help/topic/org.eclipse.sirius.doc/doc/specifier/general/Model_Operations.html">model operations</a>.
+		</p>
+		<p>The expressions defined under the 
+			<em>Begin</em> can use the 
+			<code>selection</code> variable which represents the values selected by the user in the list field.
+		</p>
+		<h5 id="list_styles">List styles</h5>
+		<p>See the 
+			<a href="#styling">styles</a> section for a general presentation of how styles are defined, including 
+			<a href="#conditional_styles">conditional styles</a> and 
+			<a href="#widgets_styles">widgets styles</a> section to find details on what is specific to widgets.
+		</p>
 		<h4 id="custom">Custom</h4>
 		<p>A 
 			<em>Custom Description</em> is used when none of the predefined styles correspond to your need. Custom style are implemented in Java and use the 
diff --git a/plugins/org.eclipse.sirius.doc/doc/specifier/properties/Properties_View_Description.textile b/plugins/org.eclipse.sirius.doc/doc/specifier/properties/Properties_View_Description.textile
index e42880454e..d8a880e4fc 100644
--- a/plugins/org.eclipse.sirius.doc/doc/specifier/properties/Properties_View_Description.textile
+++ b/plugins/org.eclipse.sirius.doc/doc/specifier/properties/Properties_View_Description.textile
@@ -322,7 +322,7 @@ Depending on the parameters configuration the reference widget can be represente
 * a label,
 * an hyperlink when the "_On Click Expression_"#reference_click_on_value is set,
 * a table when the _Multiple_ flags is checked,
-* buttons when "_Action Widgets_":#actions are defined.
+* buttons when "_Action Widgets_":#reference_actions are defined.
 
 !images/widget-references.png(Examples of reference widgets)!
 
@@ -348,13 +348,13 @@ To define the behavior, you simply specify the behavior associated to the editio
 
 The expressions defined under the _Begin_ can use the @selection@ variable which represents the values selected by the user. It could be at least one element or a list of elements in case of multiple flags is checked.
 
-h5(#actions). Actions
+h5(#reference_actions). Actions
 
 A reference can contain _actions_ which represent *buttons* associated to the reference field, as shown in the illustration above.
 
 For actions, you must define the _Label Expression_ which is used to compute the label displayed on the button and should return a string. If the expression is not specified, the default value is equal to @...@.
 
-h5(#action_pushed_button). Action pushed button
+h5(#reference_action_pushed_button). Action pushed button
 
 To define the behavior of the button when is pushed, you simply specify the behavior associated to the edition inside the _Begin_ element using all the standard "model operations":/help/topic/org.eclipse.sirius.doc/doc/specifier/general/Model_Operations.html.
 
@@ -364,6 +364,43 @@ h5(#reference_styles). Reference styles
 
 See the "styles":#styling section for a general presentation of how styles are defined, including "conditional styles":#conditional_styles and "widgets styles":#widgets_styles section to find details on what is specific to widgets.
 
+h4(#list). List
+
+A _List Description_ is used to represent a *table with buttons* in a "group":#groups or in a "container":#containers.
+
+Depending on the parameters configuration the list widget will be represented thanks to a table and multiple buttons when "_Action Widgets_":#list_actions are defined.
+
+The definition of a list follows the general rules described "above":#widgets to determine the semantic elements for which a list should be created. It is evaluated in the context of the semantic target element.
+
+For lists, you must define:
+* the _Value Expression_ which is used to compute the element to display and should return an object.
+* the _Display Expression_ which is used to compute the text displayed in the text field and should return a string. It is evaluated in the context of the semantic target element and has access to the variable @value@ which corresponds to the element to display.
+* the "_actions_"#actions are used to associate some buttons to the text field.
+
+h5(#list_click_on_value). Click on value
+
+If the _On Click Expression_ is set then this expression defines the behavior executed when the user clicks or double-clicks on an element in the table. A variable named @onClickEventKind@ will be available to determine if the expression has been triggered by a single click or double click. In case of a single click, the variable will have the value "SINGLE_CLICK" and "DOUBLE_CLICK" in case of a double click.
+
+To define the behavior, you simply specify the behavior associated to the edition inside the _Begin_ element using all the standard "model operations":/help/topic/org.eclipse.sirius.doc/doc/specifier/general/Model_Operations.html.
+
+The expressions defined under the _Begin_ can use the @selection@ variable which represents the values selected by the user. This variable will contain the list of the values selected.
+
+h5(#list_actions). Actions
+
+A list can contain _actions_ which represent *buttons* associated to the list field.
+
+For actions, you must define the _Label Expression_ which is used to compute the label displayed on the button and should return a string. If the expression is not specified, the default value is equal to @...@.
+
+h5(#list_action_pushed_button). Action pushed button
+
+To define the behavior of the button when is pushed, you simply specify the behavior associated to the edition inside the _Begin_ element using all the standard "model operations":/help/topic/org.eclipse.sirius.doc/doc/specifier/general/Model_Operations.html.
+
+The expressions defined under the _Begin_ can use the @selection@ variable which represents the values selected by the user in the list field.
+
+h5(#list_styles). List styles
+
+See the "styles":#styling section for a general presentation of how styles are defined, including "conditional styles":#conditional_styles and "widgets styles":#widgets_styles section to find details on what is specific to widgets.
+
 h4(#custom). Custom
 
 A _Custom Description_ is used when none of the predefined styles correspond to your need. Custom style are implemented in Java and use the @org.eclipse.eef.ide.ui.eefLifecycleManagerProvider@ extension point.
diff --git a/plugins/org.eclipse.sirius.editor.properties/META-INF/MANIFEST.MF b/plugins/org.eclipse.sirius.editor.properties/META-INF/MANIFEST.MF
index 4324623202..22e9f45ff6 100644
--- a/plugins/org.eclipse.sirius.editor.properties/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.sirius.editor.properties/META-INF/MANIFEST.MF
@@ -18,60 +18,62 @@ Require-Bundle: com.google.guava;bundle-version="[11.0.2,16.0)",
  org.eclipse.ui.views.properties.tabbed;bundle-version="3.5.300",
  org.eclipse.ui.workbench.texteditor;bundle-version="3.8.0",
  org.eclipse.sirius.ext.swt;bundle-version="4.0.0"
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- org.eclipse.sirius.properties.editor.properties.filters.properties.checkboxdescription;x-internal:=true;version="4.1.0",
- org.eclipse.sirius.properties.editor.properties.filters.properties.controldescription;x-internal:=true;version="4.1.0",
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- org.eclipse.sirius.properties.editor.properties.sections.properties.widgetstyle;x-internal:=true;version="4.1.0"
+Export-Package: org.eclipse.sirius.editor.properties.tools.internal.menu;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.filters.properties.buttondescription;version="4.1.0";x-internal:=true,
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+ org.eclipse.sirius.properties.editor.properties.filters.properties.hyperlinkwidgetstyle;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.filters.properties.labeldescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.filters.properties.labelwidgetstyle;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.filters.properties.listdescription;version="4.1.0";x-internal:=true,
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+ org.eclipse.sirius.properties.editor.properties.filters.properties.viewextensiondescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.filters.properties.widgetaction;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.filters.properties.widgetconditionalstyle;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.filters.properties.widgetdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.filters.properties.widgetstyle;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.buttondescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.checkboxdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.controldescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.customexpression;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.customoperation;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.dynamicmappingfor;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.dynamicmappingif;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.filllayoutdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.gridlayoutdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.groupdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.groupstyle;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.hyperlinkdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.hyperlinkwidgetstyle;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.labeldescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.labelwidgetstyle;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.listdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.pagedescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.propertyvalidationrule;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.radiodescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.referencedescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.selectdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.textareadescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.textdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.textwidgetstyle;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.viewextensiondescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.widgetaction;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.widgetconditionalstyle;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.widgetdescription;version="4.1.0";x-internal:=true,
+ org.eclipse.sirius.properties.editor.properties.sections.properties.widgetstyle;version="4.1.0";x-internal:=true
diff --git a/plugins/org.eclipse.sirius.editor.properties/help/contexts.xml b/plugins/org.eclipse.sirius.editor.properties/help/contexts.xml
index 360adb3863..2e8bd21fd0 100644
--- a/plugins/org.eclipse.sirius.editor.properties/help/contexts.xml
+++ b/plugins/org.eclipse.sirius.editor.properties/help/contexts.xml
@@ -249,6 +249,18 @@
    
       </description>
    </context>
+   <context id="ListDescription">
+     <description>
+       Represents a list in the user interface.
+
+       
+         
+   <!-- Start of user code ListDescription description -->
+   
+   <!-- End of user code ListDescription description -->
+   
+      </description>
+   </context>
    <context id="OperationDescription">
      <description>
        
@@ -403,6 +415,17 @@
    
       </description>
    </context>
+   <context id="ListWidgetStyle">
+     <description>
+       
+       
+         
+   <!-- Start of user code ListWidgetStyle description -->
+   
+   <!-- End of user code ListWidgetStyle description -->
+   
+      </description>
+   </context>
    <context id="HyperlinkWidgetStyle">
      <description>
        
@@ -524,6 +547,17 @@
    
       </description>
    </context>
+   <context id="ListWidgetConditionalStyle">
+     <description>
+       
+       
+         
+   <!-- Start of user code ListWidgetConditionalStyle description -->
+   
+   <!-- End of user code ListWidgetConditionalStyle description -->
+   
+      </description>
+   </context>
    <context id="WidgetAction">
      <description>
        
diff --git a/plugins/org.eclipse.sirius.editor.properties/plugin.xml b/plugins/org.eclipse.sirius.editor.properties/plugin.xml
index 7b1a9d8bac..61e97bfc30 100644
--- a/plugins/org.eclipse.sirius.editor.properties/plugin.xml
+++ b/plugins/org.eclipse.sirius.editor.properties/plugin.xml
@@ -271,6 +271,21 @@
         <input type="org.eclipse.sirius.properties.CustomExpression"/>
       </propertySection>
   	  <propertySection
+               class="org.eclipse.sirius.properties.editor.properties.sections.properties.listdescription.ListDescriptionDisplayExpressionPropertySection"
+               id="properties.section.listDescription.DisplayExpression"
+               filter="org.eclipse.sirius.properties.editor.properties.filters.properties.listdescription.ListDescriptionDisplayExpressionFilter"
+               afterSection="properties.section.listDescription.ValueExpression"
+                tab="viewpoint.tab.general">
+        <input type="org.eclipse.sirius.properties.ListDescription"/>
+      </propertySection>
+  	  <propertySection
+               class="org.eclipse.sirius.properties.editor.properties.sections.properties.listdescription.ListDescriptionValueExpressionPropertySection"
+               id="properties.section.listDescription.ValueExpression"
+               filter="org.eclipse.sirius.properties.editor.properties.filters.properties.listdescription.ListDescriptionValueExpressionFilter"
+                tab="viewpoint.tab.general">
+        <input type="org.eclipse.sirius.properties.ListDescription"/>
+      </propertySection>
+  	  <propertySection
                class="org.eclipse.sirius.properties.editor.properties.sections.properties.referencedescription.ReferenceDescriptionDisplayExpressionPropertySection"
                id="properties.section.referenceDescription.DisplayExpression"
                filter="org.eclipse.sirius.properties.editor.properties.filters.properties.referencedescription.ReferenceDescriptionDisplayExpressionFilter"
diff --git a/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/filters/properties/listdescription/ListDescriptionDisplayExpressionFilter.java b/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/filters/properties/listdescription/ListDescriptionDisplayExpressionFilter.java
new file mode 100644
index 0000000000..7b73562b92
--- /dev/null
+++ b/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/filters/properties/listdescription/ListDescriptionDisplayExpressionFilter.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.sirius.properties.editor.properties.filters.properties.listdescription;
+
+// Start of user code specific imports
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+import org.eclipse.sirius.editor.properties.filters.common.ViewpointPropertyFilter;
+import org.eclipse.sirius.properties.PropertiesPackage;
+
+// End of user code specific imports
+
+/**
+ * A filter for the displayExpression property section.
+ */
+public class ListDescriptionDisplayExpressionFilter extends ViewpointPropertyFilter {
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected EStructuralFeature getFeature() {
+        return PropertiesPackage.eINSTANCE.getListDescription_DisplayExpression();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected boolean isRightInputType(Object arg0) {
+        return arg0 instanceof org.eclipse.sirius.properties.ListDescription;
+    }
+
+    // Start of user code user methods
+
+    // End of user code user methods
+
+}
diff --git a/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/filters/properties/listdescription/ListDescriptionValueExpressionFilter.java b/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/filters/properties/listdescription/ListDescriptionValueExpressionFilter.java
new file mode 100644
index 0000000000..f30ab044a9
--- /dev/null
+++ b/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/filters/properties/listdescription/ListDescriptionValueExpressionFilter.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.sirius.properties.editor.properties.filters.properties.listdescription;
+
+// Start of user code specific imports
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+import org.eclipse.sirius.editor.properties.filters.common.ViewpointPropertyFilter;
+import org.eclipse.sirius.properties.PropertiesPackage;
+
+// End of user code specific imports
+
+/**
+ * A filter for the valueExpression property section.
+ */
+public class ListDescriptionValueExpressionFilter extends ViewpointPropertyFilter {
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected EStructuralFeature getFeature() {
+        return PropertiesPackage.eINSTANCE.getListDescription_ValueExpression();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected boolean isRightInputType(Object arg0) {
+        return arg0 instanceof org.eclipse.sirius.properties.ListDescription;
+    }
+
+    // Start of user code user methods
+
+    // End of user code user methods
+
+}
diff --git a/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/sections/properties/listdescription/ListDescriptionDisplayExpressionPropertySection.java b/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/sections/properties/listdescription/ListDescriptionDisplayExpressionPropertySection.java
new file mode 100644
index 0000000000..ad51d14d85
--- /dev/null
+++ b/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/sections/properties/listdescription/ListDescriptionDisplayExpressionPropertySection.java
@@ -0,0 +1,120 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.sirius.properties.editor.properties.sections.properties.listdescription;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.sirius.editor.editorPlugin.SiriusEditor;
+import org.eclipse.sirius.editor.properties.sections.common.AbstractTextWithButtonPropertySection;
+import org.eclipse.sirius.editor.tools.api.assist.TypeContentProposalProvider;
+import org.eclipse.sirius.editor.tools.internal.presentation.TextWithContentProposalDialog;
+import org.eclipse.sirius.properties.PropertiesPackage;
+import org.eclipse.sirius.ui.tools.api.assist.ContentProposalClient;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
+
+// End of user code imports
+
+/**
+ * A section for the displayExpression property of a ListDescription object.
+ */
+public class ListDescriptionDisplayExpressionPropertySection extends AbstractTextWithButtonPropertySection implements ContentProposalClient {
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#getDefaultLabelText()
+     */
+    @Override
+    protected String getDefaultLabelText() {
+        return "DisplayExpression"; //$NON-NLS-1$
+    }
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#getLabelText()
+     */
+    @Override
+    protected String getLabelText() {
+        String labelText;
+        labelText = super.getLabelText() + ":"; //$NON-NLS-1$
+        // Start of user code get label text
+
+        // End of user code get label text
+        return labelText;
+    }
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#getFeature()
+     */
+    @Override
+    public EAttribute getFeature() {
+        return PropertiesPackage.eINSTANCE.getListDescription_DisplayExpression();
+    }
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#getFeatureValue(String)
+     */
+    @Override
+    protected Object getFeatureValue(String newText) {
+        return newText;
+    }
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#isEqual(String)
+     */
+    @Override
+    protected boolean isEqual(String newText) {
+        return getFeatureAsText().equals(newText);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void createControls(Composite parent, TabbedPropertySheetPage tabbedPropertySheetPage) {
+        super.createControls(parent, tabbedPropertySheetPage);
+        /*
+         * We set the color as it's a InterpretedExpression
+         */
+        text.setBackground(SiriusEditor.getColorRegistry().get("yellow"));
+
+        TypeContentProposalProvider.bindPluginsCompletionProcessors(this, text);
+
+        // Start of user code create controls
+
+        // End of user code create controls
+
+    }
+
+    @Override
+    protected SelectionListener createButtonListener() {
+        return new SelectionAdapter() {
+            @Override
+            public void widgetSelected(SelectionEvent e) {
+                TextWithContentProposalDialog dialog = new TextWithContentProposalDialog(composite.getShell(), ListDescriptionDisplayExpressionPropertySection.this, text.getText());
+                dialog.open();
+                text.setText(dialog.getResult());
+                handleTextModified();
+            }
+        };
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected String getPropertyDescription() {
+        return "";
+    }
+
+    // Start of user code user operations
+
+    // End of user code user operations
+}
diff --git a/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/sections/properties/listdescription/ListDescriptionValueExpressionPropertySection.java b/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/sections/properties/listdescription/ListDescriptionValueExpressionPropertySection.java
new file mode 100644
index 0000000000..3d5955db43
--- /dev/null
+++ b/plugins/org.eclipse.sirius.editor.properties/src-gen/org/eclipse/sirius/properties/editor/properties/sections/properties/listdescription/ListDescriptionValueExpressionPropertySection.java
@@ -0,0 +1,120 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.sirius.properties.editor.properties.sections.properties.listdescription;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.sirius.editor.editorPlugin.SiriusEditor;
+import org.eclipse.sirius.editor.properties.sections.common.AbstractTextWithButtonPropertySection;
+import org.eclipse.sirius.editor.tools.api.assist.TypeContentProposalProvider;
+import org.eclipse.sirius.editor.tools.internal.presentation.TextWithContentProposalDialog;
+import org.eclipse.sirius.properties.PropertiesPackage;
+import org.eclipse.sirius.ui.tools.api.assist.ContentProposalClient;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
+
+// End of user code imports
+
+/**
+ * A section for the valueExpression property of a ListDescription object.
+ */
+public class ListDescriptionValueExpressionPropertySection extends AbstractTextWithButtonPropertySection implements ContentProposalClient {
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#getDefaultLabelText()
+     */
+    @Override
+    protected String getDefaultLabelText() {
+        return "ValueExpression"; //$NON-NLS-1$
+    }
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#getLabelText()
+     */
+    @Override
+    protected String getLabelText() {
+        String labelText;
+        labelText = super.getLabelText() + ":"; //$NON-NLS-1$
+        // Start of user code get label text
+
+        // End of user code get label text
+        return labelText;
+    }
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#getFeature()
+     */
+    @Override
+    public EAttribute getFeature() {
+        return PropertiesPackage.eINSTANCE.getListDescription_ValueExpression();
+    }
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#getFeatureValue(String)
+     */
+    @Override
+    protected Object getFeatureValue(String newText) {
+        return newText;
+    }
+
+    /**
+     * @see org.eclipse.sirius.properties.editor.properties.sections.AbstractTextWithButtonPropertySection#isEqual(String)
+     */
+    @Override
+    protected boolean isEqual(String newText) {
+        return getFeatureAsText().equals(newText);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void createControls(Composite parent, TabbedPropertySheetPage tabbedPropertySheetPage) {
+        super.createControls(parent, tabbedPropertySheetPage);
+        /*
+         * We set the color as it's a InterpretedExpression
+         */
+        text.setBackground(SiriusEditor.getColorRegistry().get("yellow"));
+
+        TypeContentProposalProvider.bindPluginsCompletionProcessors(this, text);
+
+        // Start of user code create controls
+
+        // End of user code create controls
+
+    }
+
+    @Override
+    protected SelectionListener createButtonListener() {
+        return new SelectionAdapter() {
+            @Override
+            public void widgetSelected(SelectionEvent e) {
+                TextWithContentProposalDialog dialog = new TextWithContentProposalDialog(composite.getShell(), ListDescriptionValueExpressionPropertySection.this, text.getText());
+                dialog.open();
+                text.setText(dialog.getResult());
+                handleTextModified();
+            }
+        };
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected String getPropertyDescription() {
+        return "";
+    }
+
+    // Start of user code user operations
+
+    // End of user code user operations
+}
diff --git a/plugins/org.eclipse.sirius.properties.edit/icons/full/obj16/ListDescription.gif b/plugins/org.eclipse.sirius.properties.edit/icons/full/obj16/ListDescription.gif
new file mode 100644
index 0000000000..ec0cba1aad
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties.edit/icons/full/obj16/ListDescription.gif
diff --git a/plugins/org.eclipse.sirius.properties.edit/icons/full/obj16/ListWidgetConditionalStyle.gif b/plugins/org.eclipse.sirius.properties.edit/icons/full/obj16/ListWidgetConditionalStyle.gif
new file mode 100644
index 0000000000..e7e23a6913
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties.edit/icons/full/obj16/ListWidgetConditionalStyle.gif
diff --git a/plugins/org.eclipse.sirius.properties.edit/icons/full/obj16/ListWidgetStyle.gif b/plugins/org.eclipse.sirius.properties.edit/icons/full/obj16/ListWidgetStyle.gif
new file mode 100644
index 0000000000..e9a6bd966a
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties.edit/icons/full/obj16/ListWidgetStyle.gif
diff --git a/plugins/org.eclipse.sirius.properties.edit/plugin.properties b/plugins/org.eclipse.sirius.properties.edit/plugin.properties
index c8ac6305ea..7fb338e744 100644
--- a/plugins/org.eclipse.sirius.properties.edit/plugin.properties
+++ b/plugins/org.eclipse.sirius.properties.edit/plugin.properties
@@ -210,3 +210,13 @@ _UI_GroupDescription_conditionalStyles_feature = Conditional Styles
 _UI_LabelDescription_valueExpression_feature = Value Expression
 _UI_LabelDescription_displayExpression_feature = Display Expression
 _UI_LabelDescription_actions_feature = Actions
+_UI_ListDescription_type = List
+_UI_ListWidgetStyle_type = List Widget Style
+_UI_ListWidgetConditionalStyle_type = List Widget Conditional Style
+_UI_ListDescription_valueExpression_feature = Value Expression
+_UI_ListDescription_displayExpression_feature = Display Expression
+_UI_ListDescription_onClickOperation_feature = On Click Operation
+_UI_ListDescription_actions_feature = Actions
+_UI_ListDescription_style_feature = Style
+_UI_ListDescription_conditionalStyles_feature = Conditional Styles
+_UI_ListWidgetConditionalStyle_style_feature = Style
diff --git a/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ContainerDescriptionItemProvider.java b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ContainerDescriptionItemProvider.java
index 67d7e58db5..145c8a2b04 100644
--- a/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ContainerDescriptionItemProvider.java
+++ b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ContainerDescriptionItemProvider.java
@@ -169,6 +169,8 @@ public class ContainerDescriptionItemProvider extends ControlDescriptionItemProv
 
         newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.CONTAINER_DESCRIPTION__CONTROLS, PropertiesFactory.eINSTANCE.createReferenceDescription()));
 
+        newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.CONTAINER_DESCRIPTION__CONTROLS, PropertiesFactory.eINSTANCE.createListDescription()));
+
         newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.CONTAINER_DESCRIPTION__CONTROLS, PropertiesFactory.eINSTANCE.createCustomDescription()));
 
         newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.CONTAINER_DESCRIPTION__CONTROLS, PropertiesFactory.eINSTANCE.createHyperlinkDescription()));
diff --git a/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/DynamicMappingIfItemProvider.java b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/DynamicMappingIfItemProvider.java
index 118b5edd1c..396e190b2f 100644
--- a/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/DynamicMappingIfItemProvider.java
+++ b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/DynamicMappingIfItemProvider.java
@@ -188,6 +188,8 @@ public class DynamicMappingIfItemProvider extends ItemProviderAdapter
 
         newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.DYNAMIC_MAPPING_IF__WIDGET, PropertiesFactory.eINSTANCE.createReferenceDescription()));
 
+        newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.DYNAMIC_MAPPING_IF__WIDGET, PropertiesFactory.eINSTANCE.createListDescription()));
+
         newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.DYNAMIC_MAPPING_IF__WIDGET, PropertiesFactory.eINSTANCE.createCustomDescription()));
 
         newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.DYNAMIC_MAPPING_IF__WIDGET, PropertiesFactory.eINSTANCE.createHyperlinkDescription()));
diff --git a/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ListDescriptionItemProvider.java b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ListDescriptionItemProvider.java
new file mode 100644
index 0000000000..2af283f120
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ListDescriptionItemProvider.java
@@ -0,0 +1,197 @@
+/**
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *
+ */
+package org.eclipse.sirius.properties.provider;
+
+import java.util.Collection;
+import java.util.List;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EStructuralFeature;
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+import org.eclipse.sirius.properties.ListDescription;
+import org.eclipse.sirius.properties.PropertiesFactory;
+import org.eclipse.sirius.properties.PropertiesPackage;
+import org.eclipse.sirius.viewpoint.description.tool.ToolFactory;
+
+/**
+ * This is the item provider adapter for a
+ * {@link org.eclipse.sirius.properties.ListDescription} object. <!--
+ * begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ListDescriptionItemProvider extends WidgetDescriptionItemProvider {
+    /**
+     * This constructs an instance from a factory and a notifier. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    public ListDescriptionItemProvider(AdapterFactory adapterFactory) {
+        super(adapterFactory);
+    }
+
+    /**
+     * This returns the property descriptors for the adapted class. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+        if (itemPropertyDescriptors == null) {
+            super.getPropertyDescriptors(object);
+
+            addValueExpressionPropertyDescriptor(object);
+            addDisplayExpressionPropertyDescriptor(object);
+        }
+        return itemPropertyDescriptors;
+    }
+
+    /**
+     * This adds a property descriptor for the Value Expression feature. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    protected void addValueExpressionPropertyDescriptor(Object object) {
+        itemPropertyDescriptors
+                .add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(), getString("_UI_ListDescription_valueExpression_feature"), //$NON-NLS-1$
+                        getString("_UI_PropertyDescriptor_description", "_UI_ListDescription_valueExpression_feature", "_UI_ListDescription_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+                        PropertiesPackage.Literals.LIST_DESCRIPTION__VALUE_EXPRESSION, true, false, false, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
+    }
+
+    /**
+     * This adds a property descriptor for the Display Expression feature. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    protected void addDisplayExpressionPropertyDescriptor(Object object) {
+        itemPropertyDescriptors.add(
+                createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(), getString("_UI_ListDescription_displayExpression_feature"), //$NON-NLS-1$
+                        getString("_UI_PropertyDescriptor_description", "_UI_ListDescription_displayExpression_feature", "_UI_ListDescription_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+                        PropertiesPackage.Literals.LIST_DESCRIPTION__DISPLAY_EXPRESSION, true, false, false, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
+    }
+
+    /**
+     * This specifies how to implement {@link #getChildren} and is used to
+     * deduce an appropriate feature for an
+     * {@link org.eclipse.emf.edit.command.AddCommand},
+     * {@link org.eclipse.emf.edit.command.RemoveCommand} or
+     * {@link org.eclipse.emf.edit.command.MoveCommand} in
+     * {@link #createCommand}. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+        if (childrenFeatures == null) {
+            super.getChildrenFeatures(object);
+            childrenFeatures.add(PropertiesPackage.Literals.LIST_DESCRIPTION__ON_CLICK_OPERATION);
+            childrenFeatures.add(PropertiesPackage.Literals.LIST_DESCRIPTION__ACTIONS);
+            childrenFeatures.add(PropertiesPackage.Literals.LIST_DESCRIPTION__STYLE);
+            childrenFeatures.add(PropertiesPackage.Literals.LIST_DESCRIPTION__CONDITIONAL_STYLES);
+        }
+        return childrenFeatures;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    protected EStructuralFeature getChildFeature(Object object, Object child) {
+        // Check the type of the specified child object and return the proper
+        // feature to use for
+        // adding (see {@link AddCommand}) it as a child.
+
+        return super.getChildFeature(object, child);
+    }
+
+    /**
+     * This returns ListDescription.gif. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Object getImage(Object object) {
+        return overlayImage(object, getResourceLocator().getImage("full/obj16/ListDescription")); //$NON-NLS-1$
+    }
+
+    /**
+     * This returns the label text for the adapted class. <!-- begin-user-doc
+     * --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public String getText(Object object) {
+        String label = ((ListDescription) object).getIdentifier();
+        return label == null || label.length() == 0 ? getString("_UI_ListDescription_type") : //$NON-NLS-1$
+                getString("_UI_ListDescription_type") + " " + label; //$NON-NLS-1$ //$NON-NLS-2$
+    }
+
+    /**
+     * This handles model notifications by calling {@link #updateChildren} to
+     * update any cached children and by creating a viewer notification, which
+     * it passes to {@link #fireNotifyChanged}. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void notifyChanged(Notification notification) {
+        updateChildren(notification);
+
+        switch (notification.getFeatureID(ListDescription.class)) {
+        case PropertiesPackage.LIST_DESCRIPTION__VALUE_EXPRESSION:
+        case PropertiesPackage.LIST_DESCRIPTION__DISPLAY_EXPRESSION:
+            fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION:
+        case PropertiesPackage.LIST_DESCRIPTION__ACTIONS:
+        case PropertiesPackage.LIST_DESCRIPTION__STYLE:
+        case PropertiesPackage.LIST_DESCRIPTION__CONDITIONAL_STYLES:
+            fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+            return;
+        }
+        super.notifyChanged(notification);
+    }
+
+    /**
+     * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s
+     * describing the children that can be created under this object. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+        super.collectNewChildDescriptors(newChildDescriptors, object);
+
+        newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.LIST_DESCRIPTION__ON_CLICK_OPERATION, ToolFactory.eINSTANCE.createInitialOperation()));
+
+        newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.LIST_DESCRIPTION__ACTIONS, PropertiesFactory.eINSTANCE.createWidgetAction()));
+
+        newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.LIST_DESCRIPTION__STYLE, PropertiesFactory.eINSTANCE.createListWidgetStyle()));
+
+        newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.LIST_DESCRIPTION__CONDITIONAL_STYLES, PropertiesFactory.eINSTANCE.createListWidgetConditionalStyle()));
+    }
+
+}
diff --git a/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ListWidgetConditionalStyleItemProvider.java b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ListWidgetConditionalStyleItemProvider.java
new file mode 100644
index 0000000000..738118c863
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ListWidgetConditionalStyleItemProvider.java
@@ -0,0 +1,150 @@
+/**
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *
+ */
+package org.eclipse.sirius.properties.provider;
+
+import java.util.Collection;
+import java.util.List;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EStructuralFeature;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+import org.eclipse.sirius.properties.ListWidgetConditionalStyle;
+import org.eclipse.sirius.properties.PropertiesFactory;
+import org.eclipse.sirius.properties.PropertiesPackage;
+
+/**
+ * This is the item provider adapter for a
+ * {@link org.eclipse.sirius.properties.ListWidgetConditionalStyle} object. <!--
+ * begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ListWidgetConditionalStyleItemProvider extends WidgetConditionalStyleItemProvider {
+    /**
+     * This constructs an instance from a factory and a notifier. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    public ListWidgetConditionalStyleItemProvider(AdapterFactory adapterFactory) {
+        super(adapterFactory);
+    }
+
+    /**
+     * This returns the property descriptors for the adapted class. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+        if (itemPropertyDescriptors == null) {
+            super.getPropertyDescriptors(object);
+
+        }
+        return itemPropertyDescriptors;
+    }
+
+    /**
+     * This specifies how to implement {@link #getChildren} and is used to
+     * deduce an appropriate feature for an
+     * {@link org.eclipse.emf.edit.command.AddCommand},
+     * {@link org.eclipse.emf.edit.command.RemoveCommand} or
+     * {@link org.eclipse.emf.edit.command.MoveCommand} in
+     * {@link #createCommand}. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+        if (childrenFeatures == null) {
+            super.getChildrenFeatures(object);
+            childrenFeatures.add(PropertiesPackage.Literals.LIST_WIDGET_CONDITIONAL_STYLE__STYLE);
+        }
+        return childrenFeatures;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    protected EStructuralFeature getChildFeature(Object object, Object child) {
+        // Check the type of the specified child object and return the proper
+        // feature to use for
+        // adding (see {@link AddCommand}) it as a child.
+
+        return super.getChildFeature(object, child);
+    }
+
+    /**
+     * This returns ListWidgetConditionalStyle.gif. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Object getImage(Object object) {
+        return overlayImage(object, getResourceLocator().getImage("full/obj16/ListWidgetConditionalStyle")); //$NON-NLS-1$
+    }
+
+    /**
+     * This returns the label text for the adapted class. <!-- begin-user-doc
+     * --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public String getText(Object object) {
+        String label = ((ListWidgetConditionalStyle) object).getPreconditionExpression();
+        return label == null || label.length() == 0 ? getString("_UI_ListWidgetConditionalStyle_type") : //$NON-NLS-1$
+                getString("_UI_ListWidgetConditionalStyle_type") + " " + label; //$NON-NLS-1$ //$NON-NLS-2$
+    }
+
+    /**
+     * This handles model notifications by calling {@link #updateChildren} to
+     * update any cached children and by creating a viewer notification, which
+     * it passes to {@link #fireNotifyChanged}. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void notifyChanged(Notification notification) {
+        updateChildren(notification);
+
+        switch (notification.getFeatureID(ListWidgetConditionalStyle.class)) {
+        case PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE:
+            fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+            return;
+        }
+        super.notifyChanged(notification);
+    }
+
+    /**
+     * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s
+     * describing the children that can be created under this object. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+        super.collectNewChildDescriptors(newChildDescriptors, object);
+
+        newChildDescriptors.add(createChildParameter(PropertiesPackage.Literals.LIST_WIDGET_CONDITIONAL_STYLE__STYLE, PropertiesFactory.eINSTANCE.createListWidgetStyle()));
+    }
+
+}
diff --git a/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ListWidgetStyleItemProvider.java b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ListWidgetStyleItemProvider.java
new file mode 100644
index 0000000000..8f5fbeb5ca
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/ListWidgetStyleItemProvider.java
@@ -0,0 +1,105 @@
+/**
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *
+ */
+package org.eclipse.sirius.properties.provider;
+
+import java.util.Collection;
+import java.util.List;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.sirius.properties.ListWidgetStyle;
+
+/**
+ * This is the item provider adapter for a
+ * {@link org.eclipse.sirius.properties.ListWidgetStyle} object. <!--
+ * begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ListWidgetStyleItemProvider extends WidgetStyleItemProvider {
+    /**
+     * This constructs an instance from a factory and a notifier. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    public ListWidgetStyleItemProvider(AdapterFactory adapterFactory) {
+        super(adapterFactory);
+    }
+
+    /**
+     * This returns the property descriptors for the adapted class. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+        if (itemPropertyDescriptors == null) {
+            super.getPropertyDescriptors(object);
+
+        }
+        return itemPropertyDescriptors;
+    }
+
+    /**
+     * This returns ListWidgetStyle.gif. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Object getImage(Object object) {
+        return overlayImage(object, getResourceLocator().getImage("full/obj16/ListWidgetStyle")); //$NON-NLS-1$
+    }
+
+    /**
+     * This returns the label text for the adapted class. <!-- begin-user-doc
+     * --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public String getText(Object object) {
+        String label = ((ListWidgetStyle) object).getLabelFontNameExpression();
+        return label == null || label.length() == 0 ? getString("_UI_ListWidgetStyle_type") : //$NON-NLS-1$
+                getString("_UI_ListWidgetStyle_type") + " " + label; //$NON-NLS-1$ //$NON-NLS-2$
+    }
+
+    /**
+     * This handles model notifications by calling {@link #updateChildren} to
+     * update any cached children and by creating a viewer notification, which
+     * it passes to {@link #fireNotifyChanged}. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void notifyChanged(Notification notification) {
+        updateChildren(notification);
+        super.notifyChanged(notification);
+    }
+
+    /**
+     * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s
+     * describing the children that can be created under this object. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+        super.collectNewChildDescriptors(newChildDescriptors, object);
+    }
+
+}
diff --git a/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/PropertiesItemProviderAdapterFactory.java b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/PropertiesItemProviderAdapterFactory.java
index fc75d830a8..84a94035c4 100644
--- a/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/PropertiesItemProviderAdapterFactory.java
+++ b/plugins/org.eclipse.sirius.properties.edit/src-gen/org/eclipse/sirius/properties/provider/PropertiesItemProviderAdapterFactory.java
@@ -584,6 +584,31 @@ public class PropertiesItemProviderAdapterFactory extends PropertiesAdapterFacto
 
     /**
      * This keeps track of the one adapter used for all
+     * {@link org.eclipse.sirius.properties.ListDescription} instances. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    protected ListDescriptionItemProvider listDescriptionItemProvider;
+
+    /**
+     * This creates an adapter for a
+     * {@link org.eclipse.sirius.properties.ListDescription}. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Adapter createListDescriptionAdapter() {
+        if (listDescriptionItemProvider == null) {
+            listDescriptionItemProvider = new ListDescriptionItemProvider(this);
+        }
+
+        return listDescriptionItemProvider;
+    }
+
+    /**
+     * This keeps track of the one adapter used for all
      * {@link org.eclipse.sirius.properties.OperationDescription} instances.
      * <!-- begin-user-doc --> <!-- end-user-doc -->
      *
@@ -934,6 +959,31 @@ public class PropertiesItemProviderAdapterFactory extends PropertiesAdapterFacto
 
     /**
      * This keeps track of the one adapter used for all
+     * {@link org.eclipse.sirius.properties.ListWidgetStyle} instances. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    protected ListWidgetStyleItemProvider listWidgetStyleItemProvider;
+
+    /**
+     * This creates an adapter for a
+     * {@link org.eclipse.sirius.properties.ListWidgetStyle}. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Adapter createListWidgetStyleAdapter() {
+        if (listWidgetStyleItemProvider == null) {
+            listWidgetStyleItemProvider = new ListWidgetStyleItemProvider(this);
+        }
+
+        return listWidgetStyleItemProvider;
+    }
+
+    /**
+     * This keeps track of the one adapter used for all
      * {@link org.eclipse.sirius.properties.HyperlinkWidgetStyle} instances.
      * <!-- begin-user-doc --> <!-- end-user-doc -->
      *
@@ -1184,6 +1234,31 @@ public class PropertiesItemProviderAdapterFactory extends PropertiesAdapterFacto
 
     /**
      * This keeps track of the one adapter used for all
+     * {@link org.eclipse.sirius.properties.ListWidgetConditionalStyle}
+     * instances. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    protected ListWidgetConditionalStyleItemProvider listWidgetConditionalStyleItemProvider;
+
+    /**
+     * This creates an adapter for a
+     * {@link org.eclipse.sirius.properties.ListWidgetConditionalStyle}. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Adapter createListWidgetConditionalStyleAdapter() {
+        if (listWidgetConditionalStyleItemProvider == null) {
+            listWidgetConditionalStyleItemProvider = new ListWidgetConditionalStyleItemProvider(this);
+        }
+
+        return listWidgetConditionalStyleItemProvider;
+    }
+
+    /**
+     * This keeps track of the one adapter used for all
      * {@link org.eclipse.sirius.properties.WidgetAction} instances. <!--
      * begin-user-doc --> <!-- end-user-doc -->
      *
@@ -1447,6 +1522,9 @@ public class PropertiesItemProviderAdapterFactory extends PropertiesAdapterFacto
         if (referenceDescriptionItemProvider != null) {
             referenceDescriptionItemProvider.dispose();
         }
+        if (listDescriptionItemProvider != null) {
+            listDescriptionItemProvider.dispose();
+        }
         if (operationDescriptionItemProvider != null) {
             operationDescriptionItemProvider.dispose();
         }
@@ -1489,6 +1567,9 @@ public class PropertiesItemProviderAdapterFactory extends PropertiesAdapterFacto
         if (referenceWidgetStyleItemProvider != null) {
             referenceWidgetStyleItemProvider.dispose();
         }
+        if (listWidgetStyleItemProvider != null) {
+            listWidgetStyleItemProvider.dispose();
+        }
         if (hyperlinkWidgetStyleItemProvider != null) {
             hyperlinkWidgetStyleItemProvider.dispose();
         }
@@ -1519,6 +1600,9 @@ public class PropertiesItemProviderAdapterFactory extends PropertiesAdapterFacto
         if (referenceWidgetConditionalStyleItemProvider != null) {
             referenceWidgetConditionalStyleItemProvider.dispose();
         }
+        if (listWidgetConditionalStyleItemProvider != null) {
+            listWidgetConditionalStyleItemProvider.dispose();
+        }
         if (widgetActionItemProvider != null) {
             widgetActionItemProvider.dispose();
         }
diff --git a/plugins/org.eclipse.sirius.properties/model/properties.ecore b/plugins/org.eclipse.sirius.properties/model/properties.ecore
index 627f173565..cd3a0bd36d 100644
--- a/plugins/org.eclipse.sirius.properties/model/properties.ecore
+++ b/plugins/org.eclipse.sirius.properties/model/properties.ecore
@@ -245,6 +245,33 @@
     <eStructuralFeatures xsi:type="ecore:EReference" name="conditionalStyles" upperBound="-1"
         eType="#//ReferenceWidgetConditionalStyle" containment="true"/>
   </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="ListDescription" eSuperTypes="#//WidgetDescription">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
+      <details key="documentation" value="Represents a list in the user interface."/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="valueExpression" eType="ecore:EDataType ../../org.eclipse.sirius/model/viewpoint.ecore#//description/InterpretedExpression">
+      <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
+        <details key="documentation" value="The initial value."/>
+      </eAnnotations>
+    </eStructuralFeatures>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="displayExpression" eType="ecore:EDataType ../../org.eclipse.sirius/model/viewpoint.ecore#//description/InterpretedExpression">
+      <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
+        <details key="documentation" value="Represents how to display the value."/>
+      </eAnnotations>
+    </eStructuralFeatures>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="onClickOperation" eType="ecore:EClass ../../org.eclipse.sirius/model/viewpoint.ecore#//description/tool/InitialOperation"
+        containment="true">
+      <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
+        <details key="documentation" value="Defines the expected behavior  when the user clicks on the hyperlink."/>
+      </eAnnotations>
+    </eStructuralFeatures>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="actions" upperBound="-1"
+        eType="#//WidgetAction" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="style" eType="#//ListWidgetStyle"
+        containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="conditionalStyles" upperBound="-1"
+        eType="#//ListWidgetConditionalStyle" containment="true"/>
+  </eClassifiers>
   <eClassifiers xsi:type="ecore:EClass" name="OperationDescription">
     <eStructuralFeatures xsi:type="ecore:EReference" name="initialOperation" lowerBound="1"
         eType="ecore:EClass ../../org.eclipse.sirius/model/viewpoint.ecore#//description/tool/InitialOperation"
@@ -317,6 +344,7 @@
   <eClassifiers xsi:type="ecore:EClass" name="SelectWidgetStyle" eSuperTypes="#//WidgetStyle"/>
   <eClassifiers xsi:type="ecore:EClass" name="CustomWidgetStyle" eSuperTypes="#//WidgetStyle"/>
   <eClassifiers xsi:type="ecore:EClass" name="ReferenceWidgetStyle" eSuperTypes="#//WidgetStyle"/>
+  <eClassifiers xsi:type="ecore:EClass" name="ListWidgetStyle" eSuperTypes="#//WidgetStyle"/>
   <eClassifiers xsi:type="ecore:EClass" name="HyperlinkWidgetStyle" eSuperTypes="#//WidgetStyle">
     <eStructuralFeatures xsi:type="ecore:EAttribute" name="fontNameExpression" eType="ecore:EDataType ../../org.eclipse.sirius/model/viewpoint.ecore#//description/InterpretedExpression"/>
     <eStructuralFeatures xsi:type="ecore:EAttribute" name="fontSizeExpression" eType="ecore:EDataType ../../org.eclipse.sirius/model/viewpoint.ecore#//description/InterpretedExpression"/>
@@ -379,6 +407,10 @@
     <eStructuralFeatures xsi:type="ecore:EReference" name="style" eType="#//ReferenceWidgetStyle"
         containment="true"/>
   </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="ListWidgetConditionalStyle" eSuperTypes="#//WidgetConditionalStyle">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="style" eType="#//ListWidgetStyle"
+        containment="true"/>
+  </eClassifiers>
   <eClassifiers xsi:type="ecore:EClass" name="WidgetAction">
     <eStructuralFeatures xsi:type="ecore:EAttribute" name="labelExpression" eType="ecore:EDataType ../../org.eclipse.sirius/model/viewpoint.ecore#//description/InterpretedExpression"/>
     <eStructuralFeatures xsi:type="ecore:EReference" name="initialOperation" lowerBound="1"
diff --git a/plugins/org.eclipse.sirius.properties/model/properties.genmodel b/plugins/org.eclipse.sirius.properties/model/properties.genmodel
index 2841581626..69008cfab8 100644
--- a/plugins/org.eclipse.sirius.properties/model/properties.genmodel
+++ b/plugins/org.eclipse.sirius.properties/model/properties.genmodel
@@ -146,6 +146,14 @@
       <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//ReferenceDescription/style"/>
       <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//ReferenceDescription/conditionalStyles"/>
     </genClasses>
+    <genClasses ecoreClass="properties.ecore#//ListDescription">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute properties.ecore#//ListDescription/valueExpression"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute properties.ecore#//ListDescription/displayExpression"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//ListDescription/onClickOperation"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//ListDescription/actions"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//ListDescription/style"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//ListDescription/conditionalStyles"/>
+    </genClasses>
     <genClasses ecoreClass="properties.ecore#//OperationDescription">
       <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//OperationDescription/initialOperation"/>
     </genClasses>
@@ -198,6 +206,7 @@
     <genClasses ecoreClass="properties.ecore#//SelectWidgetStyle"/>
     <genClasses ecoreClass="properties.ecore#//CustomWidgetStyle"/>
     <genClasses ecoreClass="properties.ecore#//ReferenceWidgetStyle"/>
+    <genClasses ecoreClass="properties.ecore#//ListWidgetStyle"/>
     <genClasses ecoreClass="properties.ecore#//HyperlinkWidgetStyle">
       <genFeatures createChild="false" ecoreFeature="ecore:EAttribute properties.ecore#//HyperlinkWidgetStyle/fontNameExpression"/>
       <genFeatures createChild="false" ecoreFeature="ecore:EAttribute properties.ecore#//HyperlinkWidgetStyle/fontSizeExpression"/>
@@ -240,6 +249,9 @@
     <genClasses ecoreClass="properties.ecore#//ReferenceWidgetConditionalStyle">
       <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//ReferenceWidgetConditionalStyle/style"/>
     </genClasses>
+    <genClasses ecoreClass="properties.ecore#//ListWidgetConditionalStyle">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//ListWidgetConditionalStyle/style"/>
+    </genClasses>
     <genClasses ecoreClass="properties.ecore#//WidgetAction">
       <genFeatures createChild="false" ecoreFeature="ecore:EAttribute properties.ecore#//WidgetAction/labelExpression"/>
       <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference properties.ecore#//WidgetAction/initialOperation"/>
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/ListDescription.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/ListDescription.java
new file mode 100644
index 0000000000..348b08a272
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/ListDescription.java
@@ -0,0 +1,197 @@
+/**
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *
+ */
+package org.eclipse.sirius.properties;
+
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.sirius.viewpoint.description.tool.InitialOperation;
+
+/**
+ * <!-- begin-user-doc --> A representation of the model object '
+ * <em><b>List Description</b></em>'. <!-- end-user-doc -->
+ *
+ * <!-- begin-model-doc --> Represents a list in the user interface. <!--
+ * end-model-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ * <li>{@link org.eclipse.sirius.properties.ListDescription#getValueExpression
+ * <em>Value Expression</em>}</li>
+ * <li>{@link org.eclipse.sirius.properties.ListDescription#getDisplayExpression
+ * <em>Display Expression</em>}</li>
+ * <li>{@link org.eclipse.sirius.properties.ListDescription#getOnClickOperation
+ * <em>On Click Operation</em>}</li>
+ * <li>{@link org.eclipse.sirius.properties.ListDescription#getActions
+ * <em>Actions</em>}</li>
+ * <li>{@link org.eclipse.sirius.properties.ListDescription#getStyle
+ * <em>Style</em>}</li>
+ * <li>{@link org.eclipse.sirius.properties.ListDescription#getConditionalStyles
+ * <em>Conditional Styles</em>}</li>
+ * </ul>
+ *
+ * @see org.eclipse.sirius.properties.PropertiesPackage#getListDescription()
+ * @model
+ * @generated
+ */
+public interface ListDescription extends WidgetDescription {
+    /**
+     * Returns the value of the '<em><b>Value Expression</b></em>' attribute.
+     * <!-- begin-user-doc --> <!-- end-user-doc --> <!-- begin-model-doc -->
+     * The initial value. <!-- end-model-doc -->
+     *
+     * @return the value of the '<em>Value Expression</em>' attribute.
+     * @see #setValueExpression(String)
+     * @see org.eclipse.sirius.properties.PropertiesPackage#getListDescription_ValueExpression()
+     * @model dataType=
+     *        "org.eclipse.sirius.viewpoint.description.InterpretedExpression"
+     * @generated
+     */
+    String getValueExpression();
+
+    /**
+     * Sets the value of the '
+     * {@link org.eclipse.sirius.properties.ListDescription#getValueExpression
+     * <em>Value Expression</em>}' attribute. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @param value
+     *            the new value of the '<em>Value Expression</em>' attribute.
+     * @see #getValueExpression()
+     * @generated
+     */
+    void setValueExpression(String value);
+
+    /**
+     * Returns the value of the '<em><b>Display Expression</b></em>' attribute.
+     * <!-- begin-user-doc --> <!-- end-user-doc --> <!-- begin-model-doc -->
+     * Represents how to display the value. <!-- end-model-doc -->
+     *
+     * @return the value of the '<em>Display Expression</em>' attribute.
+     * @see #setDisplayExpression(String)
+     * @see org.eclipse.sirius.properties.PropertiesPackage#getListDescription_DisplayExpression()
+     * @model dataType=
+     *        "org.eclipse.sirius.viewpoint.description.InterpretedExpression"
+     * @generated
+     */
+    String getDisplayExpression();
+
+    /**
+     * Sets the value of the '
+     * {@link org.eclipse.sirius.properties.ListDescription#getDisplayExpression
+     * <em>Display Expression</em>}' attribute. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @param value
+     *            the new value of the '<em>Display Expression</em>' attribute.
+     * @see #getDisplayExpression()
+     * @generated
+     */
+    void setDisplayExpression(String value);
+
+    /**
+     * Returns the value of the '<em><b>On Click Operation</b></em>' containment
+     * reference. <!-- begin-user-doc --> <!-- end-user-doc --> <!--
+     * begin-model-doc --> Defines the expected behavior when the user clicks on
+     * the hyperlink. <!-- end-model-doc -->
+     *
+     * @return the value of the '<em>On Click Operation</em>' containment
+     *         reference.
+     * @see #setOnClickOperation(InitialOperation)
+     * @see org.eclipse.sirius.properties.PropertiesPackage#getListDescription_OnClickOperation()
+     * @model containment="true"
+     * @generated
+     */
+    InitialOperation getOnClickOperation();
+
+    /**
+     * Sets the value of the '
+     * {@link org.eclipse.sirius.properties.ListDescription#getOnClickOperation
+     * <em>On Click Operation</em>}' containment reference. <!-- begin-user-doc
+     * --> <!-- end-user-doc -->
+     *
+     * @param value
+     *            the new value of the '<em>On Click Operation</em>' containment
+     *            reference.
+     * @see #getOnClickOperation()
+     * @generated
+     */
+    void setOnClickOperation(InitialOperation value);
+
+    /**
+     * Returns the value of the '<em><b>Actions</b></em>' containment reference
+     * list. The list contents are of type
+     * {@link org.eclipse.sirius.properties.WidgetAction}. <!-- begin-user-doc
+     * -->
+     * <p>
+     * If the meaning of the '<em>Actions</em>' containment reference list isn't
+     * clear, there really should be more of a description here...
+     * </p>
+     * <!-- end-user-doc -->
+     *
+     * @return the value of the '<em>Actions</em>' containment reference list.
+     * @see org.eclipse.sirius.properties.PropertiesPackage#getListDescription_Actions()
+     * @model containment="true"
+     * @generated
+     */
+    EList<WidgetAction> getActions();
+
+    /**
+     * Returns the value of the '<em><b>Style</b></em>' containment reference.
+     * <!-- begin-user-doc -->
+     * <p>
+     * If the meaning of the '<em>Style</em>' containment reference isn't clear,
+     * there really should be more of a description here...
+     * </p>
+     * <!-- end-user-doc -->
+     *
+     * @return the value of the '<em>Style</em>' containment reference.
+     * @see #setStyle(ListWidgetStyle)
+     * @see org.eclipse.sirius.properties.PropertiesPackage#getListDescription_Style()
+     * @model containment="true"
+     * @generated
+     */
+    ListWidgetStyle getStyle();
+
+    /**
+     * Sets the value of the '
+     * {@link org.eclipse.sirius.properties.ListDescription#getStyle
+     * <em>Style</em>}' containment reference. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @param value
+     *            the new value of the '<em>Style</em>' containment reference.
+     * @see #getStyle()
+     * @generated
+     */
+    void setStyle(ListWidgetStyle value);
+
+    /**
+     * Returns the value of the '<em><b>Conditional Styles</b></em>' containment
+     * reference list. The list contents are of type
+     * {@link org.eclipse.sirius.properties.ListWidgetConditionalStyle}. <!--
+     * begin-user-doc -->
+     * <p>
+     * If the meaning of the '<em>Conditional Styles</em>' containment reference
+     * list isn't clear, there really should be more of a description here...
+     * </p>
+     * <!-- end-user-doc -->
+     *
+     * @return the value of the '<em>Conditional Styles</em>' containment
+     *         reference list.
+     * @see org.eclipse.sirius.properties.PropertiesPackage#getListDescription_ConditionalStyles()
+     * @model containment="true"
+     * @generated
+     */
+    EList<ListWidgetConditionalStyle> getConditionalStyles();
+
+} // ListDescription
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/ListWidgetConditionalStyle.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/ListWidgetConditionalStyle.java
new file mode 100644
index 0000000000..2b1515bbe9
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/ListWidgetConditionalStyle.java
@@ -0,0 +1,61 @@
+/**
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *
+ */
+package org.eclipse.sirius.properties;
+
+/**
+ * <!-- begin-user-doc --> A representation of the model object '
+ * <em><b>List Widget Conditional Style</b></em>'. <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ * <li>{@link org.eclipse.sirius.properties.ListWidgetConditionalStyle#getStyle
+ * <em>Style</em>}</li>
+ * </ul>
+ *
+ * @see org.eclipse.sirius.properties.PropertiesPackage#getListWidgetConditionalStyle()
+ * @model
+ * @generated
+ */
+public interface ListWidgetConditionalStyle extends WidgetConditionalStyle {
+    /**
+     * Returns the value of the '<em><b>Style</b></em>' containment reference.
+     * <!-- begin-user-doc -->
+     * <p>
+     * If the meaning of the '<em>Style</em>' containment reference isn't clear,
+     * there really should be more of a description here...
+     * </p>
+     * <!-- end-user-doc -->
+     *
+     * @return the value of the '<em>Style</em>' containment reference.
+     * @see #setStyle(ListWidgetStyle)
+     * @see org.eclipse.sirius.properties.PropertiesPackage#getListWidgetConditionalStyle_Style()
+     * @model containment="true"
+     * @generated
+     */
+    ListWidgetStyle getStyle();
+
+    /**
+     * Sets the value of the '
+     * {@link org.eclipse.sirius.properties.ListWidgetConditionalStyle#getStyle
+     * <em>Style</em>}' containment reference. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @param value
+     *            the new value of the '<em>Style</em>' containment reference.
+     * @see #getStyle()
+     * @generated
+     */
+    void setStyle(ListWidgetStyle value);
+
+} // ListWidgetConditionalStyle
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/ListWidgetStyle.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/ListWidgetStyle.java
new file mode 100644
index 0000000000..ef1bea5d0e
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/ListWidgetStyle.java
@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *
+ */
+package org.eclipse.sirius.properties;
+
+/**
+ * <!-- begin-user-doc --> A representation of the model object '
+ * <em><b>List Widget Style</b></em>'. <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.sirius.properties.PropertiesPackage#getListWidgetStyle()
+ * @model
+ * @generated
+ */
+public interface ListWidgetStyle extends WidgetStyle {
+} // ListWidgetStyle
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/PropertiesFactory.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/PropertiesFactory.java
index f0f3fab395..ad3e917ec7 100644
--- a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/PropertiesFactory.java
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/PropertiesFactory.java
@@ -202,6 +202,15 @@ public interface PropertiesFactory extends EFactory {
     ReferenceDescription createReferenceDescription();
 
     /**
+     * Returns a new object of class '<em>List Description</em>'. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @return a new object of class '<em>List Description</em>'.
+     * @generated
+     */
+    ListDescription createListDescription();
+
+    /**
      * Returns a new object of class '<em>Operation Description</em>'. <!--
      * begin-user-doc --> <!-- end-user-doc -->
      *
@@ -328,6 +337,15 @@ public interface PropertiesFactory extends EFactory {
     ReferenceWidgetStyle createReferenceWidgetStyle();
 
     /**
+     * Returns a new object of class '<em>List Widget Style</em>'. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @return a new object of class '<em>List Widget Style</em>'.
+     * @generated
+     */
+    ListWidgetStyle createListWidgetStyle();
+
+    /**
      * Returns a new object of class '<em>Hyperlink Widget Style</em>'. <!--
      * begin-user-doc --> <!-- end-user-doc -->
      *
@@ -421,6 +439,15 @@ public interface PropertiesFactory extends EFactory {
     ReferenceWidgetConditionalStyle createReferenceWidgetConditionalStyle();
 
     /**
+     * Returns a new object of class '<em>List Widget Conditional Style</em>'.
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @return a new object of class '<em>List Widget Conditional Style</em>'.
+     * @generated
+     */
+    ListWidgetConditionalStyle createListWidgetConditionalStyle();
+
+    /**
      * Returns a new object of class '<em>Widget Action</em>'. <!--
      * begin-user-doc --> <!-- end-user-doc -->
      *
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/PropertiesPackage.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/PropertiesPackage.java
index bc0793f878..4af4cfcac2 100644
--- a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/PropertiesPackage.java
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/PropertiesPackage.java
@@ -1623,6 +1623,117 @@ public interface PropertiesPackage extends EPackage {
 
     /**
      * The meta object id for the '
+     * {@link org.eclipse.sirius.properties.impl.ListDescriptionImpl
+     * <em>List Description</em>}' class. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @see org.eclipse.sirius.properties.impl.ListDescriptionImpl
+     * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getListDescription()
+     * @generated
+     */
+    int LIST_DESCRIPTION = 22;
+
+    /**
+     * The feature id for the '<em><b>Identifier</b></em>' attribute. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__IDENTIFIER = PropertiesPackage.WIDGET_DESCRIPTION__IDENTIFIER;
+
+    /**
+     * The feature id for the '<em><b>Label Expression</b></em>' attribute. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__LABEL_EXPRESSION = PropertiesPackage.WIDGET_DESCRIPTION__LABEL_EXPRESSION;
+
+    /**
+     * The feature id for the '<em><b>Help Expression</b></em>' attribute. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__HELP_EXPRESSION = PropertiesPackage.WIDGET_DESCRIPTION__HELP_EXPRESSION;
+
+    /**
+     * The feature id for the '<em><b>Is Enabled Expression</b></em>' attribute.
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__IS_ENABLED_EXPRESSION = PropertiesPackage.WIDGET_DESCRIPTION__IS_ENABLED_EXPRESSION;
+
+    /**
+     * The feature id for the '<em><b>Value Expression</b></em>' attribute. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__VALUE_EXPRESSION = PropertiesPackage.WIDGET_DESCRIPTION_FEATURE_COUNT + 0;
+
+    /**
+     * The feature id for the '<em><b>Display Expression</b></em>' attribute.
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__DISPLAY_EXPRESSION = PropertiesPackage.WIDGET_DESCRIPTION_FEATURE_COUNT + 1;
+
+    /**
+     * The feature id for the '<em><b>On Click Operation</b></em>' containment
+     * reference. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__ON_CLICK_OPERATION = PropertiesPackage.WIDGET_DESCRIPTION_FEATURE_COUNT + 2;
+
+    /**
+     * The feature id for the '<em><b>Actions</b></em>' containment reference
+     * list. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__ACTIONS = PropertiesPackage.WIDGET_DESCRIPTION_FEATURE_COUNT + 3;
+
+    /**
+     * The feature id for the '<em><b>Style</b></em>' containment reference.
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__STYLE = PropertiesPackage.WIDGET_DESCRIPTION_FEATURE_COUNT + 4;
+
+    /**
+     * The feature id for the '<em><b>Conditional Styles</b></em>' containment
+     * reference list. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION__CONDITIONAL_STYLES = PropertiesPackage.WIDGET_DESCRIPTION_FEATURE_COUNT + 5;
+
+    /**
+     * The number of structural features of the '<em>List Description</em>'
+     * class. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_DESCRIPTION_FEATURE_COUNT = PropertiesPackage.WIDGET_DESCRIPTION_FEATURE_COUNT + 6;
+
+    /**
+     * The meta object id for the '
      * {@link org.eclipse.sirius.properties.impl.OperationDescriptionImpl
      * <em>Operation Description</em>}' class. <!-- begin-user-doc --> <!--
      * end-user-doc -->
@@ -1631,7 +1742,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getOperationDescription()
      * @generated
      */
-    int OPERATION_DESCRIPTION = 22;
+    int OPERATION_DESCRIPTION = 23;
 
     /**
      * The feature id for the '<em><b>Initial Operation</b></em>' containment
@@ -1661,7 +1772,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getCustomDescription()
      * @generated
      */
-    int CUSTOM_DESCRIPTION = 23;
+    int CUSTOM_DESCRIPTION = 24;
 
     /**
      * The feature id for the '<em><b>Identifier</b></em>' attribute. <!--
@@ -1754,7 +1865,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getCustomExpression()
      * @generated
      */
-    int CUSTOM_EXPRESSION = 24;
+    int CUSTOM_EXPRESSION = 25;
 
     /**
      * The feature id for the '<em><b>Identifier</b></em>' attribute. <!--
@@ -1793,7 +1904,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getCustomOperation()
      * @generated
      */
-    int CUSTOM_OPERATION = 25;
+    int CUSTOM_OPERATION = 26;
 
     /**
      * The feature id for the '<em><b>Identifier</b></em>' attribute. <!--
@@ -1832,7 +1943,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getHyperlinkDescription()
      * @generated
      */
-    int HYPERLINK_DESCRIPTION = 26;
+    int HYPERLINK_DESCRIPTION = 27;
 
     /**
      * The feature id for the '<em><b>Identifier</b></em>' attribute. <!--
@@ -1943,7 +2054,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getWidgetStyle()
      * @generated
      */
-    int WIDGET_STYLE = 27;
+    int WIDGET_STYLE = 28;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2009,7 +2120,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getTextWidgetStyle()
      * @generated
      */
-    int TEXT_WIDGET_STYLE = 28;
+    int TEXT_WIDGET_STYLE = 29;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2120,7 +2231,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getLabelWidgetStyle()
      * @generated
      */
-    int LABEL_WIDGET_STYLE = 29;
+    int LABEL_WIDGET_STYLE = 30;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2231,7 +2342,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getCheckboxWidgetStyle()
      * @generated
      */
-    int CHECKBOX_WIDGET_STYLE = 30;
+    int CHECKBOX_WIDGET_STYLE = 31;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2297,7 +2408,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getRadioWidgetStyle()
      * @generated
      */
-    int RADIO_WIDGET_STYLE = 31;
+    int RADIO_WIDGET_STYLE = 32;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2363,7 +2474,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getButtonWidgetStyle()
      * @generated
      */
-    int BUTTON_WIDGET_STYLE = 32;
+    int BUTTON_WIDGET_STYLE = 33;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2429,7 +2540,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getSelectWidgetStyle()
      * @generated
      */
-    int SELECT_WIDGET_STYLE = 33;
+    int SELECT_WIDGET_STYLE = 34;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2495,7 +2606,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getCustomWidgetStyle()
      * @generated
      */
-    int CUSTOM_WIDGET_STYLE = 34;
+    int CUSTOM_WIDGET_STYLE = 35;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2561,7 +2672,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getWidgetConditionalStyle()
      * @generated
      */
-    int WIDGET_CONDITIONAL_STYLE = 38;
+    int WIDGET_CONDITIONAL_STYLE = 40;
 
     /**
      * The meta object id for the '
@@ -2573,7 +2684,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getTextWidgetConditionalStyle()
      * @generated
      */
-    int TEXT_WIDGET_CONDITIONAL_STYLE = 39;
+    int TEXT_WIDGET_CONDITIONAL_STYLE = 41;
 
     /**
      * The meta object id for the '
@@ -2585,7 +2696,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getLabelWidgetConditionalStyle()
      * @generated
      */
-    int LABEL_WIDGET_CONDITIONAL_STYLE = 40;
+    int LABEL_WIDGET_CONDITIONAL_STYLE = 42;
 
     /**
      * The meta object id for the '
@@ -2597,7 +2708,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getCheckboxWidgetConditionalStyle()
      * @generated
      */
-    int CHECKBOX_WIDGET_CONDITIONAL_STYLE = 41;
+    int CHECKBOX_WIDGET_CONDITIONAL_STYLE = 43;
 
     /**
      * The meta object id for the '
@@ -2609,7 +2720,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getRadioWidgetConditionalStyle()
      * @generated
      */
-    int RADIO_WIDGET_CONDITIONAL_STYLE = 42;
+    int RADIO_WIDGET_CONDITIONAL_STYLE = 44;
 
     /**
      * The meta object id for the '
@@ -2621,7 +2732,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getButtonWidgetConditionalStyle()
      * @generated
      */
-    int BUTTON_WIDGET_CONDITIONAL_STYLE = 43;
+    int BUTTON_WIDGET_CONDITIONAL_STYLE = 45;
 
     /**
      * The meta object id for the '
@@ -2633,7 +2744,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getSelectWidgetConditionalStyle()
      * @generated
      */
-    int SELECT_WIDGET_CONDITIONAL_STYLE = 44;
+    int SELECT_WIDGET_CONDITIONAL_STYLE = 46;
 
     /**
      * The meta object id for the '
@@ -2645,7 +2756,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getCustomWidgetConditionalStyle()
      * @generated
      */
-    int CUSTOM_WIDGET_CONDITIONAL_STYLE = 45;
+    int CUSTOM_WIDGET_CONDITIONAL_STYLE = 47;
 
     /**
      * The meta object id for the '
@@ -2657,7 +2768,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getReferenceWidgetConditionalStyle()
      * @generated
      */
-    int REFERENCE_WIDGET_CONDITIONAL_STYLE = 46;
+    int REFERENCE_WIDGET_CONDITIONAL_STYLE = 48;
 
     /**
      * The meta object id for the '
@@ -2669,7 +2780,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getWidgetAction()
      * @generated
      */
-    int WIDGET_ACTION = 47;
+    int WIDGET_ACTION = 50;
 
     /**
      * The meta object id for the '
@@ -2681,7 +2792,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getReferenceWidgetStyle()
      * @generated
      */
-    int REFERENCE_WIDGET_STYLE = 35;
+    int REFERENCE_WIDGET_STYLE = 36;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2739,6 +2850,72 @@ public interface PropertiesPackage extends EPackage {
 
     /**
      * The meta object id for the '
+     * {@link org.eclipse.sirius.properties.impl.ListWidgetStyleImpl
+     * <em>List Widget Style</em>}' class. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @see org.eclipse.sirius.properties.impl.ListWidgetStyleImpl
+     * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getListWidgetStyle()
+     * @generated
+     */
+    int LIST_WIDGET_STYLE = 37;
+
+    /**
+     * The feature id for the '<em><b>Label Font Name Expression</b></em>'
+     * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_WIDGET_STYLE__LABEL_FONT_NAME_EXPRESSION = PropertiesPackage.WIDGET_STYLE__LABEL_FONT_NAME_EXPRESSION;
+
+    /**
+     * The feature id for the '<em><b>Label Font Size Expression</b></em>'
+     * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_WIDGET_STYLE__LABEL_FONT_SIZE_EXPRESSION = PropertiesPackage.WIDGET_STYLE__LABEL_FONT_SIZE_EXPRESSION;
+
+    /**
+     * The feature id for the '<em><b>Label Background Color</b></em>'
+     * reference. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_WIDGET_STYLE__LABEL_BACKGROUND_COLOR = PropertiesPackage.WIDGET_STYLE__LABEL_BACKGROUND_COLOR;
+
+    /**
+     * The feature id for the '<em><b>Label Foreground Color</b></em>'
+     * reference. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_WIDGET_STYLE__LABEL_FOREGROUND_COLOR = PropertiesPackage.WIDGET_STYLE__LABEL_FOREGROUND_COLOR;
+
+    /**
+     * The feature id for the '<em><b>Label Font Format</b></em>' attribute
+     * list. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_WIDGET_STYLE__LABEL_FONT_FORMAT = PropertiesPackage.WIDGET_STYLE__LABEL_FONT_FORMAT;
+
+    /**
+     * The number of structural features of the '<em>List Widget Style</em>'
+     * class. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_WIDGET_STYLE_FEATURE_COUNT = PropertiesPackage.WIDGET_STYLE_FEATURE_COUNT + 0;
+
+    /**
+     * The meta object id for the '
      * {@link org.eclipse.sirius.properties.impl.HyperlinkWidgetStyleImpl
      * <em>Hyperlink Widget Style</em>}' class. <!-- begin-user-doc --> <!--
      * end-user-doc -->
@@ -2747,7 +2924,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getHyperlinkWidgetStyle()
      * @generated
      */
-    int HYPERLINK_WIDGET_STYLE = 36;
+    int HYPERLINK_WIDGET_STYLE = 38;
 
     /**
      * The feature id for the '<em><b>Label Font Name Expression</b></em>'
@@ -2849,7 +3026,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getGroupStyle()
      * @generated
      */
-    int GROUP_STYLE = 37;
+    int GROUP_STYLE = 39;
 
     /**
      * The feature id for the '<em><b>Background Color</b></em>' reference. <!--
@@ -3167,6 +3344,46 @@ public interface PropertiesPackage extends EPackage {
     int REFERENCE_WIDGET_CONDITIONAL_STYLE_FEATURE_COUNT = PropertiesPackage.WIDGET_CONDITIONAL_STYLE_FEATURE_COUNT + 1;
 
     /**
+     * The meta object id for the '
+     * {@link org.eclipse.sirius.properties.impl.ListWidgetConditionalStyleImpl
+     * <em>List Widget Conditional Style</em>}' class. <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     *
+     * @see org.eclipse.sirius.properties.impl.ListWidgetConditionalStyleImpl
+     * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getListWidgetConditionalStyle()
+     * @generated
+     */
+    int LIST_WIDGET_CONDITIONAL_STYLE = 49;
+
+    /**
+     * The feature id for the '<em><b>Precondition Expression</b></em>'
+     * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_WIDGET_CONDITIONAL_STYLE__PRECONDITION_EXPRESSION = PropertiesPackage.WIDGET_CONDITIONAL_STYLE__PRECONDITION_EXPRESSION;
+
+    /**
+     * The feature id for the '<em><b>Style</b></em>' containment reference.
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_WIDGET_CONDITIONAL_STYLE__STYLE = PropertiesPackage.WIDGET_CONDITIONAL_STYLE_FEATURE_COUNT + 0;
+
+    /**
+     * The number of structural features of the '
+     * <em>List Widget Conditional Style</em>' class. <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     *
+     * @generated
+     * @ordered
+     */
+    int LIST_WIDGET_CONDITIONAL_STYLE_FEATURE_COUNT = PropertiesPackage.WIDGET_CONDITIONAL_STYLE_FEATURE_COUNT + 1;
+
+    /**
      * The feature id for the '<em><b>Label Expression</b></em>' attribute. <!--
      * begin-user-doc --> <!-- end-user-doc -->
      *
@@ -3203,7 +3420,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getHyperlinkWidgetConditionalStyle()
      * @generated
      */
-    int HYPERLINK_WIDGET_CONDITIONAL_STYLE = 48;
+    int HYPERLINK_WIDGET_CONDITIONAL_STYLE = 51;
 
     /**
      * The feature id for the '<em><b>Precondition Expression</b></em>'
@@ -3243,7 +3460,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getGroupConditionalStyle()
      * @generated
      */
-    int GROUP_CONDITIONAL_STYLE = 49;
+    int GROUP_CONDITIONAL_STYLE = 52;
 
     /**
      * The feature id for the '<em><b>Precondition Expression</b></em>'
@@ -3283,7 +3500,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getFILL_LAYOUT_ORIENTATION()
      * @generated
      */
-    int FILL_LAYOUT_ORIENTATION = 50;
+    int FILL_LAYOUT_ORIENTATION = 53;
 
     /**
      * The meta object id for the '
@@ -3294,7 +3511,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getToggleStyle()
      * @generated
      */
-    int TOGGLE_STYLE = 51;
+    int TOGGLE_STYLE = 54;
 
     /**
      * The meta object id for the '
@@ -3306,7 +3523,7 @@ public interface PropertiesPackage extends EPackage {
      * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getTitleBarStyle()
      * @generated
      */
-    int TITLE_BAR_STYLE = 52;
+    int TITLE_BAR_STYLE = 55;
 
     /**
      * Returns the meta object for class '
@@ -4569,6 +4786,97 @@ public interface PropertiesPackage extends EPackage {
 
     /**
      * Returns the meta object for class '
+     * {@link org.eclipse.sirius.properties.ListDescription
+     * <em>List Description</em>}'. <!-- begin-user-doc --> <!-- end-user-doc
+     * -->
+     *
+     * @return the meta object for class '<em>List Description</em>'.
+     * @see org.eclipse.sirius.properties.ListDescription
+     * @generated
+     */
+    EClass getListDescription();
+
+    /**
+     * Returns the meta object for the attribute '
+     * {@link org.eclipse.sirius.properties.ListDescription#getValueExpression
+     * <em>Value Expression</em>}'. <!-- begin-user-doc --> <!-- end-user-doc
+     * -->
+     *
+     * @return the meta object for the attribute '<em>Value Expression</em>'.
+     * @see org.eclipse.sirius.properties.ListDescription#getValueExpression()
+     * @see #getListDescription()
+     * @generated
+     */
+    EAttribute getListDescription_ValueExpression();
+
+    /**
+     * Returns the meta object for the attribute '
+     * {@link org.eclipse.sirius.properties.ListDescription#getDisplayExpression
+     * <em>Display Expression</em>}'. <!-- begin-user-doc --> <!-- end-user-doc
+     * -->
+     *
+     * @return the meta object for the attribute '<em>Display Expression</em>'.
+     * @see org.eclipse.sirius.properties.ListDescription#getDisplayExpression()
+     * @see #getListDescription()
+     * @generated
+     */
+    EAttribute getListDescription_DisplayExpression();
+
+    /**
+     * Returns the meta object for the containment reference '
+     * {@link org.eclipse.sirius.properties.ListDescription#getOnClickOperation
+     * <em>On Click Operation</em>}'. <!-- begin-user-doc --> <!-- end-user-doc
+     * -->
+     *
+     * @return the meta object for the containment reference '
+     *         <em>On Click Operation</em>'.
+     * @see org.eclipse.sirius.properties.ListDescription#getOnClickOperation()
+     * @see #getListDescription()
+     * @generated
+     */
+    EReference getListDescription_OnClickOperation();
+
+    /**
+     * Returns the meta object for the containment reference list '
+     * {@link org.eclipse.sirius.properties.ListDescription#getActions
+     * <em>Actions</em>}'. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @return the meta object for the containment reference list '
+     *         <em>Actions</em>'.
+     * @see org.eclipse.sirius.properties.ListDescription#getActions()
+     * @see #getListDescription()
+     * @generated
+     */
+    EReference getListDescription_Actions();
+
+    /**
+     * Returns the meta object for the containment reference '
+     * {@link org.eclipse.sirius.properties.ListDescription#getStyle
+     * <em>Style</em>}'. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @return the meta object for the containment reference '<em>Style</em>'.
+     * @see org.eclipse.sirius.properties.ListDescription#getStyle()
+     * @see #getListDescription()
+     * @generated
+     */
+    EReference getListDescription_Style();
+
+    /**
+     * Returns the meta object for the containment reference list '
+     * {@link org.eclipse.sirius.properties.ListDescription#getConditionalStyles
+     * <em>Conditional Styles</em>}'. <!-- begin-user-doc --> <!-- end-user-doc
+     * -->
+     *
+     * @return the meta object for the containment reference list '
+     *         <em>Conditional Styles</em>'.
+     * @see org.eclipse.sirius.properties.ListDescription#getConditionalStyles()
+     * @see #getListDescription()
+     * @generated
+     */
+    EReference getListDescription_ConditionalStyles();
+
+    /**
+     * Returns the meta object for class '
      * {@link org.eclipse.sirius.properties.OperationDescription
      * <em>Operation Description</em>}'. <!-- begin-user-doc --> <!--
      * end-user-doc -->
@@ -5350,6 +5658,31 @@ public interface PropertiesPackage extends EPackage {
 
     /**
      * Returns the meta object for class '
+     * {@link org.eclipse.sirius.properties.ListWidgetConditionalStyle
+     * <em>List Widget Conditional Style</em>}'. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @return the meta object for class '<em>List Widget Conditional Style</em>
+     *         '.
+     * @see org.eclipse.sirius.properties.ListWidgetConditionalStyle
+     * @generated
+     */
+    EClass getListWidgetConditionalStyle();
+
+    /**
+     * Returns the meta object for the containment reference '
+     * {@link org.eclipse.sirius.properties.ListWidgetConditionalStyle#getStyle
+     * <em>Style</em>}'. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @return the meta object for the containment reference '<em>Style</em>'.
+     * @see org.eclipse.sirius.properties.ListWidgetConditionalStyle#getStyle()
+     * @see #getListWidgetConditionalStyle()
+     * @generated
+     */
+    EReference getListWidgetConditionalStyle_Style();
+
+    /**
+     * Returns the meta object for class '
      * {@link org.eclipse.sirius.properties.WidgetAction <em>Widget Action</em>}
      * '. <!-- begin-user-doc --> <!-- end-user-doc -->
      *
@@ -5449,6 +5782,18 @@ public interface PropertiesPackage extends EPackage {
 
     /**
      * Returns the meta object for class '
+     * {@link org.eclipse.sirius.properties.ListWidgetStyle
+     * <em>List Widget Style</em>}'. <!-- begin-user-doc --> <!-- end-user-doc
+     * -->
+     *
+     * @return the meta object for class '<em>List Widget Style</em>'.
+     * @see org.eclipse.sirius.properties.ListWidgetStyle
+     * @generated
+     */
+    EClass getListWidgetStyle();
+
+    /**
+     * Returns the meta object for class '
      * {@link org.eclipse.sirius.properties.HyperlinkWidgetStyle
      * <em>Hyperlink Widget Style</em>}'. <!-- begin-user-doc --> <!--
      * end-user-doc -->
@@ -6577,6 +6922,68 @@ public interface PropertiesPackage extends EPackage {
 
         /**
          * The meta object literal for the '
+         * {@link org.eclipse.sirius.properties.impl.ListDescriptionImpl
+         * <em>List Description</em>}' class. <!-- begin-user-doc --> <!--
+         * end-user-doc -->
+         *
+         * @see org.eclipse.sirius.properties.impl.ListDescriptionImpl
+         * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getListDescription()
+         * @generated
+         */
+        EClass LIST_DESCRIPTION = PropertiesPackage.eINSTANCE.getListDescription();
+
+        /**
+         * The meta object literal for the '<em><b>Value Expression</b></em>'
+         * attribute feature. <!-- begin-user-doc --> <!-- end-user-doc -->
+         *
+         * @generated
+         */
+        EAttribute LIST_DESCRIPTION__VALUE_EXPRESSION = PropertiesPackage.eINSTANCE.getListDescription_ValueExpression();
+
+        /**
+         * The meta object literal for the '<em><b>Display Expression</b></em>'
+         * attribute feature. <!-- begin-user-doc --> <!-- end-user-doc -->
+         *
+         * @generated
+         */
+        EAttribute LIST_DESCRIPTION__DISPLAY_EXPRESSION = PropertiesPackage.eINSTANCE.getListDescription_DisplayExpression();
+
+        /**
+         * The meta object literal for the '<em><b>On Click Operation</b></em>'
+         * containment reference feature. <!-- begin-user-doc --> <!--
+         * end-user-doc -->
+         *
+         * @generated
+         */
+        EReference LIST_DESCRIPTION__ON_CLICK_OPERATION = PropertiesPackage.eINSTANCE.getListDescription_OnClickOperation();
+
+        /**
+         * The meta object literal for the '<em><b>Actions</b></em>' containment
+         * reference list feature. <!-- begin-user-doc --> <!-- end-user-doc -->
+         *
+         * @generated
+         */
+        EReference LIST_DESCRIPTION__ACTIONS = PropertiesPackage.eINSTANCE.getListDescription_Actions();
+
+        /**
+         * The meta object literal for the '<em><b>Style</b></em>' containment
+         * reference feature. <!-- begin-user-doc --> <!-- end-user-doc -->
+         *
+         * @generated
+         */
+        EReference LIST_DESCRIPTION__STYLE = PropertiesPackage.eINSTANCE.getListDescription_Style();
+
+        /**
+         * The meta object literal for the '<em><b>Conditional Styles</b></em>'
+         * containment reference list feature. <!-- begin-user-doc --> <!--
+         * end-user-doc -->
+         *
+         * @generated
+         */
+        EReference LIST_DESCRIPTION__CONDITIONAL_STYLES = PropertiesPackage.eINSTANCE.getListDescription_ConditionalStyles();
+
+        /**
+         * The meta object literal for the '
          * {@link org.eclipse.sirius.properties.impl.OperationDescriptionImpl
          * <em>Operation Description</em>}' class. <!-- begin-user-doc --> <!--
          * end-user-doc -->
@@ -7165,6 +7572,26 @@ public interface PropertiesPackage extends EPackage {
 
         /**
          * The meta object literal for the '
+         * {@link org.eclipse.sirius.properties.impl.ListWidgetConditionalStyleImpl
+         * <em>List Widget Conditional Style</em>}' class. <!-- begin-user-doc
+         * --> <!-- end-user-doc -->
+         *
+         * @see org.eclipse.sirius.properties.impl.ListWidgetConditionalStyleImpl
+         * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getListWidgetConditionalStyle()
+         * @generated
+         */
+        EClass LIST_WIDGET_CONDITIONAL_STYLE = PropertiesPackage.eINSTANCE.getListWidgetConditionalStyle();
+
+        /**
+         * The meta object literal for the '<em><b>Style</b></em>' containment
+         * reference feature. <!-- begin-user-doc --> <!-- end-user-doc -->
+         *
+         * @generated
+         */
+        EReference LIST_WIDGET_CONDITIONAL_STYLE__STYLE = PropertiesPackage.eINSTANCE.getListWidgetConditionalStyle_Style();
+
+        /**
+         * The meta object literal for the '
          * {@link org.eclipse.sirius.properties.impl.WidgetActionImpl
          * <em>Widget Action</em>}' class. <!-- begin-user-doc --> <!--
          * end-user-doc -->
@@ -7246,6 +7673,18 @@ public interface PropertiesPackage extends EPackage {
 
         /**
          * The meta object literal for the '
+         * {@link org.eclipse.sirius.properties.impl.ListWidgetStyleImpl
+         * <em>List Widget Style</em>}' class. <!-- begin-user-doc --> <!--
+         * end-user-doc -->
+         *
+         * @see org.eclipse.sirius.properties.impl.ListWidgetStyleImpl
+         * @see org.eclipse.sirius.properties.impl.PropertiesPackageImpl#getListWidgetStyle()
+         * @generated
+         */
+        EClass LIST_WIDGET_STYLE = PropertiesPackage.eINSTANCE.getListWidgetStyle();
+
+        /**
+         * The meta object literal for the '
          * {@link org.eclipse.sirius.properties.impl.HyperlinkWidgetStyleImpl
          * <em>Hyperlink Widget Style</em>}' class. <!-- begin-user-doc --> <!--
          * end-user-doc -->
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/ListDescriptionImpl.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/ListDescriptionImpl.java
new file mode 100644
index 0000000000..8598e0b03e
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/ListDescriptionImpl.java
@@ -0,0 +1,495 @@
+/**
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *
+ */
+package org.eclipse.sirius.properties.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.sirius.properties.ListDescription;
+import org.eclipse.sirius.properties.ListWidgetConditionalStyle;
+import org.eclipse.sirius.properties.ListWidgetStyle;
+import org.eclipse.sirius.properties.PropertiesPackage;
+import org.eclipse.sirius.properties.WidgetAction;
+import org.eclipse.sirius.viewpoint.description.tool.InitialOperation;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '
+ * <em><b>List Description</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ * <li>
+ * {@link org.eclipse.sirius.properties.impl.ListDescriptionImpl#getValueExpression
+ * <em>Value Expression</em>}</li>
+ * <li>
+ * {@link org.eclipse.sirius.properties.impl.ListDescriptionImpl#getDisplayExpression
+ * <em>Display Expression</em>}</li>
+ * <li>
+ * {@link org.eclipse.sirius.properties.impl.ListDescriptionImpl#getOnClickOperation
+ * <em>On Click Operation</em>}</li>
+ * <li>{@link org.eclipse.sirius.properties.impl.ListDescriptionImpl#getActions
+ * <em>Actions</em>}</li>
+ * <li>{@link org.eclipse.sirius.properties.impl.ListDescriptionImpl#getStyle
+ * <em>Style</em>}</li>
+ * <li>
+ * {@link org.eclipse.sirius.properties.impl.ListDescriptionImpl#getConditionalStyles
+ * <em>Conditional Styles</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ListDescriptionImpl extends WidgetDescriptionImpl implements ListDescription {
+    /**
+     * The default value of the '{@link #getValueExpression()
+     * <em>Value Expression</em>}' attribute. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @see #getValueExpression()
+     * @generated
+     * @ordered
+     */
+    protected static final String VALUE_EXPRESSION_EDEFAULT = null;
+
+    /**
+     * The cached value of the '{@link #getValueExpression()
+     * <em>Value Expression</em>}' attribute. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @see #getValueExpression()
+     * @generated
+     * @ordered
+     */
+    protected String valueExpression = ListDescriptionImpl.VALUE_EXPRESSION_EDEFAULT;
+
+    /**
+     * The default value of the '{@link #getDisplayExpression()
+     * <em>Display Expression</em>}' attribute. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @see #getDisplayExpression()
+     * @generated
+     * @ordered
+     */
+    protected static final String DISPLAY_EXPRESSION_EDEFAULT = null;
+
+    /**
+     * The cached value of the '{@link #getDisplayExpression()
+     * <em>Display Expression</em>}' attribute. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     *
+     * @see #getDisplayExpression()
+     * @generated
+     * @ordered
+     */
+    protected String displayExpression = ListDescriptionImpl.DISPLAY_EXPRESSION_EDEFAULT;
+
+    /**
+     * The cached value of the '{@link #getOnClickOperation()
+     * <em>On Click Operation</em>}' containment reference. <!-- begin-user-doc
+     * --> <!-- end-user-doc -->
+     *
+     * @see #getOnClickOperation()
+     * @generated
+     * @ordered
+     */
+    protected InitialOperation onClickOperation;
+
+    /**
+     * The cached value of the '{@link #getActions() <em>Actions</em>}'
+     * containment reference list. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @see #getActions()
+     * @generated
+     * @ordered
+     */
+    protected EList<WidgetAction> actions;
+
+    /**
+     * The cached value of the '{@link #getStyle() <em>Style</em>}' containment
+     * reference. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @see #getStyle()
+     * @generated
+     * @ordered
+     */
+    protected ListWidgetStyle style;
+
+    /**
+     * The cached value of the '{@link #getConditionalStyles()
+     * <em>Conditional Styles</em>}' containment reference list. <!--
+     * begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @see #getConditionalStyles()
+     * @generated
+     * @ordered
+     */
+    protected EList<ListWidgetConditionalStyle> conditionalStyles;
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    protected ListDescriptionImpl() {
+        super();
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    protected EClass eStaticClass() {
+        return PropertiesPackage.Literals.LIST_DESCRIPTION;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public String getValueExpression() {
+        return valueExpression;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void setValueExpression(String newValueExpression) {
+        String oldValueExpression = valueExpression;
+        valueExpression = newValueExpression;
+        if (eNotificationRequired()) {
+            eNotify(new ENotificationImpl(this, Notification.SET, PropertiesPackage.LIST_DESCRIPTION__VALUE_EXPRESSION, oldValueExpression, valueExpression));
+        }
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public String getDisplayExpression() {
+        return displayExpression;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void setDisplayExpression(String newDisplayExpression) {
+        String oldDisplayExpression = displayExpression;
+        displayExpression = newDisplayExpression;
+        if (eNotificationRequired()) {
+            eNotify(new ENotificationImpl(this, Notification.SET, PropertiesPackage.LIST_DESCRIPTION__DISPLAY_EXPRESSION, oldDisplayExpression, displayExpression));
+        }
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public InitialOperation getOnClickOperation() {
+        return onClickOperation;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    public NotificationChain basicSetOnClickOperation(InitialOperation newOnClickOperation, NotificationChain msgs) {
+        InitialOperation oldOnClickOperation = onClickOperation;
+        onClickOperation = newOnClickOperation;
+        if (eNotificationRequired()) {
+            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION, oldOnClickOperation, newOnClickOperation);
+            if (msgs == null) {
+                msgs = notification;
+            } else {
+                msgs.add(notification);
+            }
+        }
+        return msgs;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void setOnClickOperation(InitialOperation newOnClickOperation) {
+        if (newOnClickOperation != onClickOperation) {
+            NotificationChain msgs = null;
+            if (onClickOperation != null) {
+                msgs = ((InternalEObject) onClickOperation).eInverseRemove(this, InternalEObject.EOPPOSITE_FEATURE_BASE - PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION, null, msgs);
+            }
+            if (newOnClickOperation != null) {
+                msgs = ((InternalEObject) newOnClickOperation).eInverseAdd(this, InternalEObject.EOPPOSITE_FEATURE_BASE - PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION, null, msgs);
+            }
+            msgs = basicSetOnClickOperation(newOnClickOperation, msgs);
+            if (msgs != null) {
+                msgs.dispatch();
+            }
+        } else if (eNotificationRequired()) {
+            eNotify(new ENotificationImpl(this, Notification.SET, PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION, newOnClickOperation, newOnClickOperation));
+        }
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public EList<WidgetAction> getActions() {
+        if (actions == null) {
+            actions = new EObjectContainmentEList<WidgetAction>(WidgetAction.class, this, PropertiesPackage.LIST_DESCRIPTION__ACTIONS);
+        }
+        return actions;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public ListWidgetStyle getStyle() {
+        return style;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    public NotificationChain basicSetStyle(ListWidgetStyle newStyle, NotificationChain msgs) {
+        ListWidgetStyle oldStyle = style;
+        style = newStyle;
+        if (eNotificationRequired()) {
+            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, PropertiesPackage.LIST_DESCRIPTION__STYLE, oldStyle, newStyle);
+            if (msgs == null) {
+                msgs = notification;
+            } else {
+                msgs.add(notification);
+            }
+        }
+        return msgs;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void setStyle(ListWidgetStyle newStyle) {
+        if (newStyle != style) {
+            NotificationChain msgs = null;
+            if (style != null) {
+                msgs = ((InternalEObject) style).eInverseRemove(this, InternalEObject.EOPPOSITE_FEATURE_BASE - PropertiesPackage.LIST_DESCRIPTION__STYLE, null, msgs);
+            }
+            if (newStyle != null) {
+                msgs = ((InternalEObject) newStyle).eInverseAdd(this, InternalEObject.EOPPOSITE_FEATURE_BASE - PropertiesPackage.LIST_DESCRIPTION__STYLE, null, msgs);
+            }
+            msgs = basicSetStyle(newStyle, msgs);
+            if (msgs != null) {
+                msgs.dispatch();
+            }
+        } else if (eNotificationRequired()) {
+            eNotify(new ENotificationImpl(this, Notification.SET, PropertiesPackage.LIST_DESCRIPTION__STYLE, newStyle, newStyle));
+        }
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public EList<ListWidgetConditionalStyle> getConditionalStyles() {
+        if (conditionalStyles == null) {
+            conditionalStyles = new EObjectContainmentEList<ListWidgetConditionalStyle>(ListWidgetConditionalStyle.class, this, PropertiesPackage.LIST_DESCRIPTION__CONDITIONAL_STYLES);
+        }
+        return conditionalStyles;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION:
+            return basicSetOnClickOperation(null, msgs);
+        case PropertiesPackage.LIST_DESCRIPTION__ACTIONS:
+            return ((InternalEList<?>) getActions()).basicRemove(otherEnd, msgs);
+        case PropertiesPackage.LIST_DESCRIPTION__STYLE:
+            return basicSetStyle(null, msgs);
+        case PropertiesPackage.LIST_DESCRIPTION__CONDITIONAL_STYLES:
+            return ((InternalEList<?>) getConditionalStyles()).basicRemove(otherEnd, msgs);
+        }
+        return super.eInverseRemove(otherEnd, featureID, msgs);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Object eGet(int featureID, boolean resolve, boolean coreType) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_DESCRIPTION__VALUE_EXPRESSION:
+            return getValueExpression();
+        case PropertiesPackage.LIST_DESCRIPTION__DISPLAY_EXPRESSION:
+            return getDisplayExpression();
+        case PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION:
+            return getOnClickOperation();
+        case PropertiesPackage.LIST_DESCRIPTION__ACTIONS:
+            return getActions();
+        case PropertiesPackage.LIST_DESCRIPTION__STYLE:
+            return getStyle();
+        case PropertiesPackage.LIST_DESCRIPTION__CONDITIONAL_STYLES:
+            return getConditionalStyles();
+        }
+        return super.eGet(featureID, resolve, coreType);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @SuppressWarnings("unchecked")
+    @Override
+    public void eSet(int featureID, Object newValue) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_DESCRIPTION__VALUE_EXPRESSION:
+            setValueExpression((String) newValue);
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__DISPLAY_EXPRESSION:
+            setDisplayExpression((String) newValue);
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION:
+            setOnClickOperation((InitialOperation) newValue);
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__ACTIONS:
+            getActions().clear();
+            getActions().addAll((Collection<? extends WidgetAction>) newValue);
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__STYLE:
+            setStyle((ListWidgetStyle) newValue);
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__CONDITIONAL_STYLES:
+            getConditionalStyles().clear();
+            getConditionalStyles().addAll((Collection<? extends ListWidgetConditionalStyle>) newValue);
+            return;
+        }
+        super.eSet(featureID, newValue);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void eUnset(int featureID) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_DESCRIPTION__VALUE_EXPRESSION:
+            setValueExpression(ListDescriptionImpl.VALUE_EXPRESSION_EDEFAULT);
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__DISPLAY_EXPRESSION:
+            setDisplayExpression(ListDescriptionImpl.DISPLAY_EXPRESSION_EDEFAULT);
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION:
+            setOnClickOperation((InitialOperation) null);
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__ACTIONS:
+            getActions().clear();
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__STYLE:
+            setStyle((ListWidgetStyle) null);
+            return;
+        case PropertiesPackage.LIST_DESCRIPTION__CONDITIONAL_STYLES:
+            getConditionalStyles().clear();
+            return;
+        }
+        super.eUnset(featureID);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public boolean eIsSet(int featureID) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_DESCRIPTION__VALUE_EXPRESSION:
+            return ListDescriptionImpl.VALUE_EXPRESSION_EDEFAULT == null ? valueExpression != null : !ListDescriptionImpl.VALUE_EXPRESSION_EDEFAULT.equals(valueExpression);
+        case PropertiesPackage.LIST_DESCRIPTION__DISPLAY_EXPRESSION:
+            return ListDescriptionImpl.DISPLAY_EXPRESSION_EDEFAULT == null ? displayExpression != null : !ListDescriptionImpl.DISPLAY_EXPRESSION_EDEFAULT.equals(displayExpression);
+        case PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION:
+            return onClickOperation != null;
+        case PropertiesPackage.LIST_DESCRIPTION__ACTIONS:
+            return actions != null && !actions.isEmpty();
+        case PropertiesPackage.LIST_DESCRIPTION__STYLE:
+            return style != null;
+        case PropertiesPackage.LIST_DESCRIPTION__CONDITIONAL_STYLES:
+            return conditionalStyles != null && !conditionalStyles.isEmpty();
+        }
+        return super.eIsSet(featureID);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public String toString() {
+        if (eIsProxy()) {
+            return super.toString();
+        }
+
+        StringBuffer result = new StringBuffer(super.toString());
+        result.append(" (valueExpression: "); //$NON-NLS-1$
+        result.append(valueExpression);
+        result.append(", displayExpression: "); //$NON-NLS-1$
+        result.append(displayExpression);
+        result.append(')');
+        return result.toString();
+    }
+
+} // ListDescriptionImpl
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/ListWidgetConditionalStyleImpl.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/ListWidgetConditionalStyleImpl.java
new file mode 100644
index 0000000000..2c6894601c
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/ListWidgetConditionalStyleImpl.java
@@ -0,0 +1,192 @@
+/**
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *
+ */
+package org.eclipse.sirius.properties.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.sirius.properties.ListWidgetConditionalStyle;
+import org.eclipse.sirius.properties.ListWidgetStyle;
+import org.eclipse.sirius.properties.PropertiesPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '
+ * <em><b>List Widget Conditional Style</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ * <li>
+ * {@link org.eclipse.sirius.properties.impl.ListWidgetConditionalStyleImpl#getStyle
+ * <em>Style</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ListWidgetConditionalStyleImpl extends WidgetConditionalStyleImpl implements ListWidgetConditionalStyle {
+    /**
+     * The cached value of the '{@link #getStyle() <em>Style</em>}' containment
+     * reference. <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @see #getStyle()
+     * @generated
+     * @ordered
+     */
+    protected ListWidgetStyle style;
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    protected ListWidgetConditionalStyleImpl() {
+        super();
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    protected EClass eStaticClass() {
+        return PropertiesPackage.Literals.LIST_WIDGET_CONDITIONAL_STYLE;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public ListWidgetStyle getStyle() {
+        return style;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    public NotificationChain basicSetStyle(ListWidgetStyle newStyle, NotificationChain msgs) {
+        ListWidgetStyle oldStyle = style;
+        style = newStyle;
+        if (eNotificationRequired()) {
+            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE, oldStyle, newStyle);
+            if (msgs == null) {
+                msgs = notification;
+            } else {
+                msgs.add(notification);
+            }
+        }
+        return msgs;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void setStyle(ListWidgetStyle newStyle) {
+        if (newStyle != style) {
+            NotificationChain msgs = null;
+            if (style != null) {
+                msgs = ((InternalEObject) style).eInverseRemove(this, InternalEObject.EOPPOSITE_FEATURE_BASE - PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE, null, msgs);
+            }
+            if (newStyle != null) {
+                msgs = ((InternalEObject) newStyle).eInverseAdd(this, InternalEObject.EOPPOSITE_FEATURE_BASE - PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE, null, msgs);
+            }
+            msgs = basicSetStyle(newStyle, msgs);
+            if (msgs != null) {
+                msgs.dispatch();
+            }
+        } else if (eNotificationRequired()) {
+            eNotify(new ENotificationImpl(this, Notification.SET, PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE, newStyle, newStyle));
+        }
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE:
+            return basicSetStyle(null, msgs);
+        }
+        return super.eInverseRemove(otherEnd, featureID, msgs);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public Object eGet(int featureID, boolean resolve, boolean coreType) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE:
+            return getStyle();
+        }
+        return super.eGet(featureID, resolve, coreType);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void eSet(int featureID, Object newValue) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE:
+            setStyle((ListWidgetStyle) newValue);
+            return;
+        }
+        super.eSet(featureID, newValue);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public void eUnset(int featureID) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE:
+            setStyle((ListWidgetStyle) null);
+            return;
+        }
+        super.eUnset(featureID);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public boolean eIsSet(int featureID) {
+        switch (featureID) {
+        case PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE:
+            return style != null;
+        }
+        return super.eIsSet(featureID);
+    }
+
+} // ListWidgetConditionalStyleImpl
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/ListWidgetStyleImpl.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/ListWidgetStyleImpl.java
new file mode 100644
index 0000000000..4756575a15
--- /dev/null
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/ListWidgetStyleImpl.java
@@ -0,0 +1,44 @@
+/**
+ * Copyright (c) 2016 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *
+ */
+package org.eclipse.sirius.properties.impl;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.sirius.properties.ListWidgetStyle;
+import org.eclipse.sirius.properties.PropertiesPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '
+ * <em><b>List Widget Style</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ListWidgetStyleImpl extends WidgetStyleImpl implements ListWidgetStyle {
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    protected ListWidgetStyleImpl() {
+        super();
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    protected EClass eStaticClass() {
+        return PropertiesPackage.Literals.LIST_WIDGET_STYLE;
+    }
+
+} // ListWidgetStyleImpl
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/PropertiesFactoryImpl.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/PropertiesFactoryImpl.java
index 6567cd8bc5..1be45b690c 100644
--- a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/PropertiesFactoryImpl.java
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/PropertiesFactoryImpl.java
@@ -44,6 +44,9 @@ import org.eclipse.sirius.properties.HyperlinkWidgetStyle;
 import org.eclipse.sirius.properties.LabelDescription;
 import org.eclipse.sirius.properties.LabelWidgetConditionalStyle;
 import org.eclipse.sirius.properties.LabelWidgetStyle;
+import org.eclipse.sirius.properties.ListDescription;
+import org.eclipse.sirius.properties.ListWidgetConditionalStyle;
+import org.eclipse.sirius.properties.ListWidgetStyle;
 import org.eclipse.sirius.properties.OperationDescription;
 import org.eclipse.sirius.properties.PageDescription;
 import org.eclipse.sirius.properties.PageValidationSetDescription;
@@ -150,6 +153,8 @@ public class PropertiesFactoryImpl extends EFactoryImpl implements PropertiesFac
             return createRadioDescription();
         case PropertiesPackage.REFERENCE_DESCRIPTION:
             return createReferenceDescription();
+        case PropertiesPackage.LIST_DESCRIPTION:
+            return createListDescription();
         case PropertiesPackage.OPERATION_DESCRIPTION:
             return createOperationDescription();
         case PropertiesPackage.CUSTOM_DESCRIPTION:
@@ -178,6 +183,8 @@ public class PropertiesFactoryImpl extends EFactoryImpl implements PropertiesFac
             return createCustomWidgetStyle();
         case PropertiesPackage.REFERENCE_WIDGET_STYLE:
             return createReferenceWidgetStyle();
+        case PropertiesPackage.LIST_WIDGET_STYLE:
+            return createListWidgetStyle();
         case PropertiesPackage.HYPERLINK_WIDGET_STYLE:
             return createHyperlinkWidgetStyle();
         case PropertiesPackage.GROUP_STYLE:
@@ -198,6 +205,8 @@ public class PropertiesFactoryImpl extends EFactoryImpl implements PropertiesFac
             return createCustomWidgetConditionalStyle();
         case PropertiesPackage.REFERENCE_WIDGET_CONDITIONAL_STYLE:
             return createReferenceWidgetConditionalStyle();
+        case PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE:
+            return createListWidgetConditionalStyle();
         case PropertiesPackage.WIDGET_ACTION:
             return createWidgetAction();
         case PropertiesPackage.HYPERLINK_WIDGET_CONDITIONAL_STYLE:
@@ -462,6 +471,17 @@ public class PropertiesFactoryImpl extends EFactoryImpl implements PropertiesFac
      * @generated
      */
     @Override
+    public ListDescription createListDescription() {
+        ListDescriptionImpl listDescription = new ListDescriptionImpl();
+        return listDescription;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
     public OperationDescription createOperationDescription() {
         OperationDescriptionImpl operationDescription = new OperationDescriptionImpl();
         return operationDescription;
@@ -616,6 +636,17 @@ public class PropertiesFactoryImpl extends EFactoryImpl implements PropertiesFac
      * @generated
      */
     @Override
+    public ListWidgetStyle createListWidgetStyle() {
+        ListWidgetStyleImpl listWidgetStyle = new ListWidgetStyleImpl();
+        return listWidgetStyle;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
     public HyperlinkWidgetStyle createHyperlinkWidgetStyle() {
         HyperlinkWidgetStyleImpl hyperlinkWidgetStyle = new HyperlinkWidgetStyleImpl();
         return hyperlinkWidgetStyle;
@@ -726,6 +757,17 @@ public class PropertiesFactoryImpl extends EFactoryImpl implements PropertiesFac
      * @generated
      */
     @Override
+    public ListWidgetConditionalStyle createListWidgetConditionalStyle() {
+        ListWidgetConditionalStyleImpl listWidgetConditionalStyle = new ListWidgetConditionalStyleImpl();
+        return listWidgetConditionalStyle;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
     public WidgetAction createWidgetAction() {
         WidgetActionImpl widgetAction = new WidgetActionImpl();
         return widgetAction;
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/PropertiesPackageImpl.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/PropertiesPackageImpl.java
index 15130f02a7..e4968f4db8 100644
--- a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/PropertiesPackageImpl.java
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/impl/PropertiesPackageImpl.java
@@ -46,6 +46,9 @@ import org.eclipse.sirius.properties.LabelDescription;
 import org.eclipse.sirius.properties.LabelWidgetConditionalStyle;
 import org.eclipse.sirius.properties.LabelWidgetStyle;
 import org.eclipse.sirius.properties.LayoutDescription;
+import org.eclipse.sirius.properties.ListDescription;
+import org.eclipse.sirius.properties.ListWidgetConditionalStyle;
+import org.eclipse.sirius.properties.ListWidgetStyle;
 import org.eclipse.sirius.properties.OperationDescription;
 import org.eclipse.sirius.properties.PageDescription;
 import org.eclipse.sirius.properties.PageValidationSetDescription;
@@ -243,6 +246,13 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
      *
      * @generated
      */
+    private EClass listDescriptionEClass = null;
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
     private EClass operationDescriptionEClass = null;
 
     /**
@@ -397,6 +407,13 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
      *
      * @generated
      */
+    private EClass listWidgetConditionalStyleEClass = null;
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
     private EClass widgetActionEClass = null;
 
     /**
@@ -425,6 +442,13 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
      *
      * @generated
      */
+    private EClass listWidgetStyleEClass = null;
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
     private EClass hyperlinkWidgetStyleEClass = null;
 
     /**
@@ -1510,6 +1534,76 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
      * @generated
      */
     @Override
+    public EClass getListDescription() {
+        return listDescriptionEClass;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public EAttribute getListDescription_ValueExpression() {
+        return (EAttribute) listDescriptionEClass.getEStructuralFeatures().get(0);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public EAttribute getListDescription_DisplayExpression() {
+        return (EAttribute) listDescriptionEClass.getEStructuralFeatures().get(1);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public EReference getListDescription_OnClickOperation() {
+        return (EReference) listDescriptionEClass.getEStructuralFeatures().get(2);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public EReference getListDescription_Actions() {
+        return (EReference) listDescriptionEClass.getEStructuralFeatures().get(3);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public EReference getListDescription_Style() {
+        return (EReference) listDescriptionEClass.getEStructuralFeatures().get(4);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public EReference getListDescription_ConditionalStyles() {
+        return (EReference) listDescriptionEClass.getEStructuralFeatures().get(5);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
     public EClass getOperationDescription() {
         return operationDescriptionEClass;
     }
@@ -2120,6 +2214,26 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
      * @generated
      */
     @Override
+    public EClass getListWidgetConditionalStyle() {
+        return listWidgetConditionalStyleEClass;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
+    public EReference getListWidgetConditionalStyle_Style() {
+        return (EReference) listWidgetConditionalStyleEClass.getEStructuralFeatures().get(0);
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
     public EClass getWidgetAction() {
         return widgetActionEClass;
     }
@@ -2200,6 +2314,16 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
      * @generated
      */
     @Override
+    public EClass getListWidgetStyle() {
+        return listWidgetStyleEClass;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     *
+     * @generated
+     */
+    @Override
     public EClass getHyperlinkWidgetStyle() {
         return hyperlinkWidgetStyleEClass;
     }
@@ -2505,6 +2629,14 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
         createEReference(referenceDescriptionEClass, PropertiesPackage.REFERENCE_DESCRIPTION__STYLE);
         createEReference(referenceDescriptionEClass, PropertiesPackage.REFERENCE_DESCRIPTION__CONDITIONAL_STYLES);
 
+        listDescriptionEClass = createEClass(PropertiesPackage.LIST_DESCRIPTION);
+        createEAttribute(listDescriptionEClass, PropertiesPackage.LIST_DESCRIPTION__VALUE_EXPRESSION);
+        createEAttribute(listDescriptionEClass, PropertiesPackage.LIST_DESCRIPTION__DISPLAY_EXPRESSION);
+        createEReference(listDescriptionEClass, PropertiesPackage.LIST_DESCRIPTION__ON_CLICK_OPERATION);
+        createEReference(listDescriptionEClass, PropertiesPackage.LIST_DESCRIPTION__ACTIONS);
+        createEReference(listDescriptionEClass, PropertiesPackage.LIST_DESCRIPTION__STYLE);
+        createEReference(listDescriptionEClass, PropertiesPackage.LIST_DESCRIPTION__CONDITIONAL_STYLES);
+
         operationDescriptionEClass = createEClass(PropertiesPackage.OPERATION_DESCRIPTION);
         createEReference(operationDescriptionEClass, PropertiesPackage.OPERATION_DESCRIPTION__INITIAL_OPERATION);
 
@@ -2563,6 +2695,8 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
 
         referenceWidgetStyleEClass = createEClass(PropertiesPackage.REFERENCE_WIDGET_STYLE);
 
+        listWidgetStyleEClass = createEClass(PropertiesPackage.LIST_WIDGET_STYLE);
+
         hyperlinkWidgetStyleEClass = createEClass(PropertiesPackage.HYPERLINK_WIDGET_STYLE);
         createEAttribute(hyperlinkWidgetStyleEClass, PropertiesPackage.HYPERLINK_WIDGET_STYLE__FONT_NAME_EXPRESSION);
         createEAttribute(hyperlinkWidgetStyleEClass, PropertiesPackage.HYPERLINK_WIDGET_STYLE__FONT_SIZE_EXPRESSION);
@@ -2605,6 +2739,9 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
         referenceWidgetConditionalStyleEClass = createEClass(PropertiesPackage.REFERENCE_WIDGET_CONDITIONAL_STYLE);
         createEReference(referenceWidgetConditionalStyleEClass, PropertiesPackage.REFERENCE_WIDGET_CONDITIONAL_STYLE__STYLE);
 
+        listWidgetConditionalStyleEClass = createEClass(PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE);
+        createEReference(listWidgetConditionalStyleEClass, PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE__STYLE);
+
         widgetActionEClass = createEClass(PropertiesPackage.WIDGET_ACTION);
         createEAttribute(widgetActionEClass, PropertiesPackage.WIDGET_ACTION__LABEL_EXPRESSION);
         createEReference(widgetActionEClass, PropertiesPackage.WIDGET_ACTION__INITIAL_OPERATION);
@@ -2673,6 +2810,7 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
         textAreaDescriptionEClass.getESuperTypes().add(this.getTextDescription());
         radioDescriptionEClass.getESuperTypes().add(this.getWidgetDescription());
         referenceDescriptionEClass.getESuperTypes().add(this.getWidgetDescription());
+        listDescriptionEClass.getESuperTypes().add(this.getWidgetDescription());
         customDescriptionEClass.getESuperTypes().add(this.getWidgetDescription());
         hyperlinkDescriptionEClass.getESuperTypes().add(this.getWidgetDescription());
         textWidgetStyleEClass.getESuperTypes().add(this.getWidgetStyle());
@@ -2683,6 +2821,7 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
         selectWidgetStyleEClass.getESuperTypes().add(this.getWidgetStyle());
         customWidgetStyleEClass.getESuperTypes().add(this.getWidgetStyle());
         referenceWidgetStyleEClass.getESuperTypes().add(this.getWidgetStyle());
+        listWidgetStyleEClass.getESuperTypes().add(this.getWidgetStyle());
         hyperlinkWidgetStyleEClass.getESuperTypes().add(this.getWidgetStyle());
         textWidgetConditionalStyleEClass.getESuperTypes().add(this.getWidgetConditionalStyle());
         labelWidgetConditionalStyleEClass.getESuperTypes().add(this.getWidgetConditionalStyle());
@@ -2692,6 +2831,7 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
         selectWidgetConditionalStyleEClass.getESuperTypes().add(this.getWidgetConditionalStyle());
         customWidgetConditionalStyleEClass.getESuperTypes().add(this.getWidgetConditionalStyle());
         referenceWidgetConditionalStyleEClass.getESuperTypes().add(this.getWidgetConditionalStyle());
+        listWidgetConditionalStyleEClass.getESuperTypes().add(this.getWidgetConditionalStyle());
         hyperlinkWidgetConditionalStyleEClass.getESuperTypes().add(this.getWidgetConditionalStyle());
         groupConditionalStyleEClass.getESuperTypes().add(this.getWidgetConditionalStyle());
 
@@ -2950,6 +3090,24 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
                 !EPackageImpl.IS_TRANSIENT, !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, EPackageImpl.IS_COMPOSITE, !EPackageImpl.IS_RESOLVE_PROXIES, !EPackageImpl.IS_UNSETTABLE,
                 EPackageImpl.IS_UNIQUE, !EPackageImpl.IS_DERIVED, EPackageImpl.IS_ORDERED);
 
+        initEClass(listDescriptionEClass, ListDescription.class, "ListDescription", !EPackageImpl.IS_ABSTRACT, !EPackageImpl.IS_INTERFACE, EPackageImpl.IS_GENERATED_INSTANCE_CLASS); //$NON-NLS-1$
+        initEAttribute(getListDescription_ValueExpression(), theDescriptionPackage.getInterpretedExpression(), "valueExpression", null, 0, 1, ListDescription.class, !EPackageImpl.IS_TRANSIENT, //$NON-NLS-1$
+                !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, !EPackageImpl.IS_UNSETTABLE, !EPackageImpl.IS_ID, EPackageImpl.IS_UNIQUE, !EPackageImpl.IS_DERIVED, EPackageImpl.IS_ORDERED);
+        initEAttribute(getListDescription_DisplayExpression(), theDescriptionPackage.getInterpretedExpression(), "displayExpression", null, 0, 1, ListDescription.class, !EPackageImpl.IS_TRANSIENT, //$NON-NLS-1$
+                !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, !EPackageImpl.IS_UNSETTABLE, !EPackageImpl.IS_ID, EPackageImpl.IS_UNIQUE, !EPackageImpl.IS_DERIVED, EPackageImpl.IS_ORDERED);
+        initEReference(getListDescription_OnClickOperation(), theToolPackage.getInitialOperation(), null, "onClickOperation", null, 0, 1, ListDescription.class, !EPackageImpl.IS_TRANSIENT, //$NON-NLS-1$
+                !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, EPackageImpl.IS_COMPOSITE, !EPackageImpl.IS_RESOLVE_PROXIES, !EPackageImpl.IS_UNSETTABLE, EPackageImpl.IS_UNIQUE,
+                !EPackageImpl.IS_DERIVED, EPackageImpl.IS_ORDERED);
+        initEReference(getListDescription_Actions(), this.getWidgetAction(), null, "actions", null, 0, -1, ListDescription.class, !EPackageImpl.IS_TRANSIENT, !EPackageImpl.IS_VOLATILE, //$NON-NLS-1$
+                EPackageImpl.IS_CHANGEABLE, EPackageImpl.IS_COMPOSITE, !EPackageImpl.IS_RESOLVE_PROXIES, !EPackageImpl.IS_UNSETTABLE, EPackageImpl.IS_UNIQUE, !EPackageImpl.IS_DERIVED,
+                EPackageImpl.IS_ORDERED);
+        initEReference(getListDescription_Style(), this.getListWidgetStyle(), null, "style", null, 0, 1, ListDescription.class, !EPackageImpl.IS_TRANSIENT, !EPackageImpl.IS_VOLATILE, //$NON-NLS-1$
+                EPackageImpl.IS_CHANGEABLE, EPackageImpl.IS_COMPOSITE, !EPackageImpl.IS_RESOLVE_PROXIES, !EPackageImpl.IS_UNSETTABLE, EPackageImpl.IS_UNIQUE, !EPackageImpl.IS_DERIVED,
+                EPackageImpl.IS_ORDERED);
+        initEReference(getListDescription_ConditionalStyles(), this.getListWidgetConditionalStyle(), null, "conditionalStyles", null, 0, -1, ListDescription.class, !EPackageImpl.IS_TRANSIENT, //$NON-NLS-1$
+                !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, EPackageImpl.IS_COMPOSITE, !EPackageImpl.IS_RESOLVE_PROXIES, !EPackageImpl.IS_UNSETTABLE, EPackageImpl.IS_UNIQUE,
+                !EPackageImpl.IS_DERIVED, EPackageImpl.IS_ORDERED);
+
         initEClass(operationDescriptionEClass, OperationDescription.class, "OperationDescription", !EPackageImpl.IS_ABSTRACT, !EPackageImpl.IS_INTERFACE, EPackageImpl.IS_GENERATED_INSTANCE_CLASS); //$NON-NLS-1$
         initEReference(getOperationDescription_InitialOperation(), theToolPackage.getInitialOperation(), null, "initialOperation", null, 1, 1, OperationDescription.class, !EPackageImpl.IS_TRANSIENT, //$NON-NLS-1$
                 !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, EPackageImpl.IS_COMPOSITE, !EPackageImpl.IS_RESOLVE_PROXIES, !EPackageImpl.IS_UNSETTABLE, EPackageImpl.IS_UNIQUE,
@@ -3056,6 +3214,8 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
 
         initEClass(referenceWidgetStyleEClass, ReferenceWidgetStyle.class, "ReferenceWidgetStyle", !EPackageImpl.IS_ABSTRACT, !EPackageImpl.IS_INTERFACE, EPackageImpl.IS_GENERATED_INSTANCE_CLASS); //$NON-NLS-1$
 
+        initEClass(listWidgetStyleEClass, ListWidgetStyle.class, "ListWidgetStyle", !EPackageImpl.IS_ABSTRACT, !EPackageImpl.IS_INTERFACE, EPackageImpl.IS_GENERATED_INSTANCE_CLASS); //$NON-NLS-1$
+
         initEClass(hyperlinkWidgetStyleEClass, HyperlinkWidgetStyle.class, "HyperlinkWidgetStyle", !EPackageImpl.IS_ABSTRACT, !EPackageImpl.IS_INTERFACE, EPackageImpl.IS_GENERATED_INSTANCE_CLASS); //$NON-NLS-1$
         initEAttribute(getHyperlinkWidgetStyle_FontNameExpression(), theDescriptionPackage.getInterpretedExpression(), "fontNameExpression", null, 0, 1, HyperlinkWidgetStyle.class, //$NON-NLS-1$
                 !EPackageImpl.IS_TRANSIENT, !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, !EPackageImpl.IS_UNSETTABLE, !EPackageImpl.IS_ID, EPackageImpl.IS_UNIQUE, !EPackageImpl.IS_DERIVED,
@@ -3141,6 +3301,12 @@ public class PropertiesPackageImpl extends EPackageImpl implements PropertiesPac
                 !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, EPackageImpl.IS_COMPOSITE, !EPackageImpl.IS_RESOLVE_PROXIES, !EPackageImpl.IS_UNSETTABLE, EPackageImpl.IS_UNIQUE,
                 !EPackageImpl.IS_DERIVED, EPackageImpl.IS_ORDERED);
 
+        initEClass(listWidgetConditionalStyleEClass, ListWidgetConditionalStyle.class, "ListWidgetConditionalStyle", !EPackageImpl.IS_ABSTRACT, !EPackageImpl.IS_INTERFACE, //$NON-NLS-1$
+                EPackageImpl.IS_GENERATED_INSTANCE_CLASS);
+        initEReference(getListWidgetConditionalStyle_Style(), this.getListWidgetStyle(), null, "style", null, 0, 1, ListWidgetConditionalStyle.class, !EPackageImpl.IS_TRANSIENT, //$NON-NLS-1$
+                !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, EPackageImpl.IS_COMPOSITE, !EPackageImpl.IS_RESOLVE_PROXIES, !EPackageImpl.IS_UNSETTABLE, EPackageImpl.IS_UNIQUE,
+                !EPackageImpl.IS_DERIVED, EPackageImpl.IS_ORDERED);
+
         initEClass(widgetActionEClass, WidgetAction.class, "WidgetAction", !EPackageImpl.IS_ABSTRACT, !EPackageImpl.IS_INTERFACE, EPackageImpl.IS_GENERATED_INSTANCE_CLASS); //$NON-NLS-1$
         initEAttribute(getWidgetAction_LabelExpression(), theDescriptionPackage.getInterpretedExpression(), "labelExpression", null, 0, 1, WidgetAction.class, !EPackageImpl.IS_TRANSIENT, //$NON-NLS-1$
                 !EPackageImpl.IS_VOLATILE, EPackageImpl.IS_CHANGEABLE, !EPackageImpl.IS_UNSETTABLE, !EPackageImpl.IS_ID, EPackageImpl.IS_UNIQUE, !EPackageImpl.IS_DERIVED, EPackageImpl.IS_ORDERED);
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/util/PropertiesAdapterFactory.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/util/PropertiesAdapterFactory.java
index 5bb212271d..684ed33d12 100644
--- a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/util/PropertiesAdapterFactory.java
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/util/PropertiesAdapterFactory.java
@@ -43,6 +43,9 @@ import org.eclipse.sirius.properties.LabelDescription;
 import org.eclipse.sirius.properties.LabelWidgetConditionalStyle;
 import org.eclipse.sirius.properties.LabelWidgetStyle;
 import org.eclipse.sirius.properties.LayoutDescription;
+import org.eclipse.sirius.properties.ListDescription;
+import org.eclipse.sirius.properties.ListWidgetConditionalStyle;
+import org.eclipse.sirius.properties.ListWidgetStyle;
 import org.eclipse.sirius.properties.OperationDescription;
 import org.eclipse.sirius.properties.PageDescription;
 import org.eclipse.sirius.properties.PageValidationSetDescription;
@@ -236,6 +239,11 @@ public class PropertiesAdapterFactory extends AdapterFactoryImpl {
         }
 
         @Override
+        public Adapter caseListDescription(ListDescription object) {
+            return createListDescriptionAdapter();
+        }
+
+        @Override
         public Adapter caseOperationDescription(OperationDescription object) {
             return createOperationDescriptionAdapter();
         }
@@ -306,6 +314,11 @@ public class PropertiesAdapterFactory extends AdapterFactoryImpl {
         }
 
         @Override
+        public Adapter caseListWidgetStyle(ListWidgetStyle object) {
+            return createListWidgetStyleAdapter();
+        }
+
+        @Override
         public Adapter caseHyperlinkWidgetStyle(HyperlinkWidgetStyle object) {
             return createHyperlinkWidgetStyleAdapter();
         }
@@ -361,6 +374,11 @@ public class PropertiesAdapterFactory extends AdapterFactoryImpl {
         }
 
         @Override
+        public Adapter caseListWidgetConditionalStyle(ListWidgetConditionalStyle object) {
+            return createListWidgetConditionalStyleAdapter();
+        }
+
+        @Override
         public Adapter caseWidgetAction(WidgetAction object) {
             return createWidgetActionAdapter();
         }
@@ -764,6 +782,22 @@ public class PropertiesAdapterFactory extends AdapterFactoryImpl {
 
     /**
      * Creates a new adapter for an object of class '
+     * {@link org.eclipse.sirius.properties.ListDescription
+     * <em>List Description</em>}'. <!-- begin-user-doc --> This default
+     * implementation returns null so that we can easily ignore cases; it's
+     * useful to ignore a case when inheritance will catch all the cases anyway.
+     * <!-- end-user-doc -->
+     *
+     * @return the new adapter.
+     * @see org.eclipse.sirius.properties.ListDescription
+     * @generated
+     */
+    public Adapter createListDescriptionAdapter() {
+        return null;
+    }
+
+    /**
+     * Creates a new adapter for an object of class '
      * {@link org.eclipse.sirius.properties.OperationDescription
      * <em>Operation Description</em>}'. <!-- begin-user-doc --> This default
      * implementation returns null so that we can easily ignore cases; it's
@@ -987,6 +1021,22 @@ public class PropertiesAdapterFactory extends AdapterFactoryImpl {
 
     /**
      * Creates a new adapter for an object of class '
+     * {@link org.eclipse.sirius.properties.ListWidgetStyle
+     * <em>List Widget Style</em>}'. <!-- begin-user-doc --> This default
+     * implementation returns null so that we can easily ignore cases; it's
+     * useful to ignore a case when inheritance will catch all the cases anyway.
+     * <!-- end-user-doc -->
+     *
+     * @return the new adapter.
+     * @see org.eclipse.sirius.properties.ListWidgetStyle
+     * @generated
+     */
+    public Adapter createListWidgetStyleAdapter() {
+        return null;
+    }
+
+    /**
+     * Creates a new adapter for an object of class '
      * {@link org.eclipse.sirius.properties.HyperlinkWidgetStyle
      * <em>Hyperlink Widget Style</em>}'. <!-- begin-user-doc --> This default
      * implementation returns null so that we can easily ignore cases; it's
@@ -1162,6 +1212,22 @@ public class PropertiesAdapterFactory extends AdapterFactoryImpl {
 
     /**
      * Creates a new adapter for an object of class '
+     * {@link org.eclipse.sirius.properties.ListWidgetConditionalStyle
+     * <em>List Widget Conditional Style</em>}'. <!-- begin-user-doc --> This
+     * default implementation returns null so that we can easily ignore cases;
+     * it's useful to ignore a case when inheritance will catch all the cases
+     * anyway. <!-- end-user-doc -->
+     *
+     * @return the new adapter.
+     * @see org.eclipse.sirius.properties.ListWidgetConditionalStyle
+     * @generated
+     */
+    public Adapter createListWidgetConditionalStyleAdapter() {
+        return null;
+    }
+
+    /**
+     * Creates a new adapter for an object of class '
      * {@link org.eclipse.sirius.properties.WidgetAction <em>Widget Action</em>}
      * '. <!-- begin-user-doc --> This default implementation returns null so
      * that we can easily ignore cases; it's useful to ignore a case when
diff --git a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/util/PropertiesSwitch.java b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/util/PropertiesSwitch.java
index 7790496604..1d08886f6e 100644
--- a/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/util/PropertiesSwitch.java
+++ b/plugins/org.eclipse.sirius.properties/src-gen/org/eclipse/sirius/properties/util/PropertiesSwitch.java
@@ -43,6 +43,9 @@ import org.eclipse.sirius.properties.LabelDescription;
 import org.eclipse.sirius.properties.LabelWidgetConditionalStyle;
 import org.eclipse.sirius.properties.LabelWidgetStyle;
 import org.eclipse.sirius.properties.LayoutDescription;
+import org.eclipse.sirius.properties.ListDescription;
+import org.eclipse.sirius.properties.ListWidgetConditionalStyle;
+import org.eclipse.sirius.properties.ListWidgetStyle;
 import org.eclipse.sirius.properties.OperationDescription;
 import org.eclipse.sirius.properties.PageDescription;
 import org.eclipse.sirius.properties.PageValidationSetDescription;
@@ -394,6 +397,20 @@ public class PropertiesSwitch<T> {
             }
             return result;
         }
+        case PropertiesPackage.LIST_DESCRIPTION: {
+            ListDescription listDescription = (ListDescription) theEObject;
+            T result = caseListDescription(listDescription);
+            if (result == null) {
+                result = caseWidgetDescription(listDescription);
+            }
+            if (result == null) {
+                result = caseControlDescription(listDescription);
+            }
+            if (result == null) {
+                result = defaultCase(theEObject);
+            }
+            return result;
+        }
         case PropertiesPackage.OPERATION_DESCRIPTION: {
             OperationDescription operationDescription = (OperationDescription) theEObject;
             T result = caseOperationDescription(operationDescription);
@@ -542,6 +559,17 @@ public class PropertiesSwitch<T> {
             }
             return result;
         }
+        case PropertiesPackage.LIST_WIDGET_STYLE: {
+            ListWidgetStyle listWidgetStyle = (ListWidgetStyle) theEObject;
+            T result = caseListWidgetStyle(listWidgetStyle);
+            if (result == null) {
+                result = caseWidgetStyle(listWidgetStyle);
+            }
+            if (result == null) {
+                result = defaultCase(theEObject);
+            }
+            return result;
+        }
         case PropertiesPackage.HYPERLINK_WIDGET_STYLE: {
             HyperlinkWidgetStyle hyperlinkWidgetStyle = (HyperlinkWidgetStyle) theEObject;
             T result = caseHyperlinkWidgetStyle(hyperlinkWidgetStyle);
@@ -657,6 +685,17 @@ public class PropertiesSwitch<T> {
             }
             return result;
         }
+        case PropertiesPackage.LIST_WIDGET_CONDITIONAL_STYLE: {
+            ListWidgetConditionalStyle listWidgetConditionalStyle = (ListWidgetConditionalStyle) theEObject;
+            T result = caseListWidgetConditionalStyle(listWidgetConditionalStyle);
+            if (result == null) {
+                result = caseWidgetConditionalStyle(listWidgetConditionalStyle);
+            }
+            if (result == null) {
+                result = defaultCase(theEObject);
+            }
+            return result;
+        }
         case PropertiesPackage.WIDGET_ACTION: {
             WidgetAction widgetAction = (WidgetAction) theEObject;
             T result = caseWidgetAction(widgetAction);
@@ -1068,6 +1107,23 @@ public class PropertiesSwitch<T> {
 
     /**
      * Returns the result of interpreting the object as an instance of '
+     * <em>List Description</em>'. <!-- begin-user-doc --> This implementation
+     * returns null; returning a non-null result will terminate the switch. <!--
+     * end-user-doc -->
+     *
+     * @param object
+     *            the target of the switch.
+     * @return the result of interpreting the object as an instance of '
+     *         <em>List Description</em>'.
+     * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+     * @generated
+     */
+    public T caseListDescription(ListDescription object) {
+        return null;
+    }
+
+    /**
+     * Returns the result of interpreting the object as an instance of '
      * <em>Operation Description</em>'. <!-- begin-user-doc --> This
      * implementation returns null; returning a non-null result will terminate
      * the switch. <!-- end-user-doc -->
@@ -1306,6 +1362,23 @@ public class PropertiesSwitch<T> {
 
     /**
      * Returns the result of interpreting the object as an instance of '
+     * <em>List Widget Style</em>'. <!-- begin-user-doc --> This implementation
+     * returns null; returning a non-null result will terminate the switch. <!--
+     * end-user-doc -->
+     *
+     * @param object
+     *            the target of the switch.
+     * @return the result of interpreting the object as an instance of '
+     *         <em>List Widget Style</em>'.
+     * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+     * @generated
+     */
+    public T caseListWidgetStyle(ListWidgetStyle object) {
+        return null;
+    }
+
+    /**
+     * Returns the result of interpreting the object as an instance of '
      * <em>Hyperlink Widget Style</em>'. <!-- begin-user-doc --> This
      * implementation returns null; returning a non-null result will terminate
      * the switch. <!-- end-user-doc -->
@@ -1493,6 +1566,23 @@ public class PropertiesSwitch<T> {
 
     /**
      * Returns the result of interpreting the object as an instance of '
+     * <em>List Widget Conditional Style</em>'. <!-- begin-user-doc --> This
+     * implementation returns null; returning a non-null result will terminate
+     * the switch. <!-- end-user-doc -->
+     *
+     * @param object
+     *            the target of the switch.
+     * @return the result of interpreting the object as an instance of '
+     *         <em>List Widget Conditional Style</em>'.
+     * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+     * @generated
+     */
+    public T caseListWidgetConditionalStyle(ListWidgetConditionalStyle object) {
+        return null;
+    }
+
+    /**
+     * Returns the result of interpreting the object as an instance of '
      * <em>Widget Action</em>'. <!-- begin-user-doc --> This implementation
      * returns null; returning a non-null result will terminate the switch. <!--
      * end-user-doc -->
diff --git a/plugins/org.eclipse.sirius.ui.properties/src/org/eclipse/sirius/ui/properties/internal/tabprovider/PropertiesDescriptionConverterSwitch.java b/plugins/org.eclipse.sirius.ui.properties/src/org/eclipse/sirius/ui/properties/internal/tabprovider/PropertiesDescriptionConverterSwitch.java
index 00682fff35..9d21c206d9 100644
--- a/plugins/org.eclipse.sirius.ui.properties/src/org/eclipse/sirius/ui/properties/internal/tabprovider/PropertiesDescriptionConverterSwitch.java
+++ b/plugins/org.eclipse.sirius.ui.properties/src/org/eclipse/sirius/ui/properties/internal/tabprovider/PropertiesDescriptionConverterSwitch.java
@@ -36,6 +36,9 @@ import org.eclipse.sirius.properties.HyperlinkWidgetStyle;
 import org.eclipse.sirius.properties.LabelDescription;
 import org.eclipse.sirius.properties.LabelWidgetConditionalStyle;
 import org.eclipse.sirius.properties.LabelWidgetStyle;
+import org.eclipse.sirius.properties.ListDescription;
+import org.eclipse.sirius.properties.ListWidgetConditionalStyle;
+import org.eclipse.sirius.properties.ListWidgetStyle;
 import org.eclipse.sirius.properties.PageDescription;
 import org.eclipse.sirius.properties.PropertyValidationRule;
 import org.eclipse.sirius.properties.RadioDescription;
@@ -232,6 +235,11 @@ public class PropertiesDescriptionConverterSwitch extends PropertiesSwitch<IDesc
     }
 
     @Override
+    public IDescriptionConverter caseListDescription(ListDescription object) {
+        return new DefaultDescriptionWithInitialOperationConverter<>(ListDescription.class, EefPackage.Literals.EEF_LIST_DESCRIPTION, EefPackage.Literals.EEF_LIST_DESCRIPTION__ON_CLICK_EXPRESSION);
+    }
+
+    @Override
     public IDescriptionConverter caseWidgetAction(WidgetAction object) {
         return new DefaultDescriptionWithInitialOperationConverter<>(WidgetAction.class, EefPackage.Literals.EEF_WIDGET_ACTION, EefPackage.Literals.EEF_WIDGET_ACTION__ACTION_EXPRESSION);
     }
@@ -247,6 +255,16 @@ public class PropertiesDescriptionConverterSwitch extends PropertiesSwitch<IDesc
     }
 
     @Override
+    public IDescriptionConverter caseListWidgetStyle(ListWidgetStyle object) {
+        return new DefaultStyleDescriptionConverter<>(ListWidgetStyle.class, EefPackage.Literals.EEF_LIST_STYLE);
+    }
+
+    @Override
+    public IDescriptionConverter caseListWidgetConditionalStyle(ListWidgetConditionalStyle object) {
+        return new DefaultDescriptionConverter<>(ListWidgetConditionalStyle.class, EefPackage.Literals.EEF_LIST_CONDITIONAL_STYLE);
+    }
+
+    @Override
     public IDescriptionConverter caseCustomDescription(CustomDescription object) {
         return new CustomWidgetDescriptionConverter<>(CustomDescription.class, EefPackage.Literals.EEF_CUSTOM_WIDGET_DESCRIPTION);
     }