430079: [CSS] Papyrus shall provide features to define local theme

https://bugs.eclipse.org/bugs/show_bug.cgi?id=430079

Patch 3 : 
 - Fix major issue
 - Fix comment's remarks
Patch 2 :
 - Rebase to pass hudson verification
Pathch 1 :
 - Use workspace relative path for selected css files during CSS theme
edition
 - Fix "restore default" button action in CSS preference page
 - Harmonisation of all UI for theme icon selection
 - Add dialog to confirm theme deletion
 -  Refactor to resolve some dependency problems
 - Creation of widget for XWT theme view
 - Add embedded style sheets in CSS Workspace engine working
 - Fix problems of label provider for CSS themes properties view
 - Add workspace themes preference page
 - Add definition of theme property view
 - Fix saving step of an edited theme from workspace
 - Fix loading of theme icon in label provider - Fix behavior of theme
edition dialog fields 
 - Add edition action on style sheets list
 - Add move up and move down actions in edition dialog
 - Add actions (add and delete) to dialog
 - Resolution staying conflicts after last merge
 - Add edition theme dialog from project explorer
 - Minor modification of Style sheet metamodel 
 - Modify CSS engine and theme manager to look at workspace theme
contributions
 - Add theme creation by selecting one or more CSS files
 - Add dialog to define theme from CSS file in workspace
 - Create one menu for two actions to manage local theme
 - Manage command ID in handler
 - Fix containment relationship in model
 - Add draft of theme creation from a CSS selection
 - Modification of style sheets model
 - Add popup menu on CSS file
 
Change-Id: Ie46281e334252bfbed727c18a431677761db2a45
Signed-off-by: Gabriel Pascual <gabriel.pascual@all4tec.net>

2 files changed, 231 insertions, 55 deletions

diff --git a/plugins/views/properties/org.eclipse.papyrus.views.properties/model/Environment.xmi b/plugins/views/properties/org.eclipse.papyrus.views.properties/model/Environment.xmi
index b311164df1a..6bf05b56904 100644
--- a/plugins/views/properties/org.eclipse.papyrus.views.properties/model/Environment.xmi
+++ b/plugins/views/properties/org.eclipse.papyrus.views.properties/model/Environment.xmi
@@ -1,55 +1,56 @@
-<?xml version="1.0" encoding="ASCII"?>

-<environment:Environment xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:environment="http://www.eclipse.org/papyrus/properties/environment/0.9">

-  <constraintTypes label="EMF Instance Of (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.EMFInstanceOfConstraint"/>

-  <constraintTypes label="True Constraint (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.TrueConstraint"/>

-  <constraintTypes label="EMF Query (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.EMFQueryConstraint"/>

-  <constraintTypes label="Java Instance Of (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.JavaInstanceOf"/>

-  <constraintTypes label="Java Query (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.JavaQueryConstraint"/>

-  <modelElementFactories name="EMF Factory" factoryClass="org.eclipse.papyrus.views.properties.modelelement.EMFModelElementFactory"/>

-  <modelElementFactories name="Annotation Factory" factoryClass="org.eclipse.papyrus.views.properties.modelelement.AnnotationModelElementFactory"/>

-  <modelElementFactories name="Basic preferences Factory" factoryClass="org.eclipse.papyrus.views.properties.modelelement.PreferencesModelElementFactory"/>

-  <widgetTypes label="Label" widgetClass="Label"/>

-  <widgetTypes label="Text" widgetClass="Text"/>

-  <widgetTypes label="Button" widgetClass="Button"/>

-  <propertyEditorTypes label="StringEditor" widgetClass="StringEditor" namespace="//@namespaces.3"/>

-  <propertyEditorTypes label="StringMultiline" widgetClass="StringMultiline" namespace="//@namespaces.3"/>

-  <propertyEditorTypes label="StringLabel (Read-only)" widgetClass="StringLabel" namespace="//@namespaces.3"/>

-  <propertyEditorTypes label="StringCombo" widgetClass="StringCombo" namespace="//@namespaces.3"/>

-  <propertyEditorTypes label="FileSelector" widgetClass="StringFileSelector" namespace="//@namespaces.3"/>

-  <propertyEditorTypes label="BooleanCombo" widgetClass="BooleanCombo" namespace="//@namespaces.3" type="Boolean"/>

-  <propertyEditorTypes label="BooleanCheckbox" widgetClass="BooleanCheckbox" namespace="//@namespaces.3" type="Boolean"/>

-  <propertyEditorTypes label="BooleanRadio" widgetClass="BooleanRadio" namespace="//@namespaces.3" type="Boolean"/>

-  <propertyEditorTypes label="BooleanToggle" widgetClass="BooleanToggle" namespace="//@namespaces.3" type="Boolean"/>

-  <propertyEditorTypes label="IntegerEditor" widgetClass="IntegerEditor" namespace="//@namespaces.3" type="Integer"/>

-  <propertyEditorTypes label="IntegerSpinner" widgetClass="IntegerSpinner" namespace="//@namespaces.3" type="Integer"/>

-  <propertyEditorTypes label="EnumCombo" widgetClass="EnumCombo" namespace="//@namespaces.3" type="Enumeration"/>

-  <propertyEditorTypes label="EnumRadio (No preview)" widgetClass="EnumRadio" namespace="//@namespaces.3" type="Enumeration"/>

-  <propertyEditorTypes label="ReferenceCombo" widgetClass="ReferenceCombo" namespace="//@namespaces.3" type="Reference"/>

-  <propertyEditorTypes label="ReferenceDialog" widgetClass="ReferenceDialog" namespace="//@namespaces.3" type="Reference"/>

-  <propertyEditorTypes label="ViewEditor" widgetClass="ViewEditor" namespace="//@namespaces.3" type="Reference" multiplicity="-1"/>

-  <propertyEditorTypes label="ReferenceLabel (Read-only)" widgetClass="ReferenceLabel" namespace="//@namespaces.3" type="Reference"/>

-  <propertyEditorTypes label="MultiReference" widgetClass="MultiReference" namespace="//@namespaces.3" type="Reference" multiplicity="-1"/>

-  <propertyEditorTypes label="MultiReferenceWithPropertyView" widgetClass="MultiReferencePropertyEditorWithPropertyView" namespace="//@namespaces.3" type="Reference" multiplicity="-1"/>

-  <propertyEditorTypes label="MultiString" widgetClass="MultiString" namespace="//@namespaces.3" multiplicity="-1"/>

-  <propertyEditorTypes label="MultipleFileEditor" widgetClass="MultiStringFile" namespace="//@namespaces.3" multiplicity="-1"/>

-  <propertyEditorTypes label="MultiInteger" widgetClass="MultiInteger" namespace="//@namespaces.3" type="Integer" multiplicity="-1"/>

-  <propertyEditorTypes label="InvalidWidget" widgetClass="InvalidWidget" namespace="//@namespaces.3"/>

-  <propertyEditorTypes label="StringMultiline with References" widgetClass="StringMultilineWithReferences" namespace="//@namespaces.3"/>

-  <propertyEditorTypes label="FloatEditor" widgetClass="FloatEditor" namespace="//@namespaces.3"/>

-  <propertyEditorTypes label="DoubleEditor" widgetClass="DoubleEditor" namespace="//@namespaces.3"/>

-  <propertyEditorTypes label="UnlimitedNaturalEditor" widgetClass="UnlimitedNaturalEditor" namespace="//@namespaces.3"/>

-  <compositeWidgetTypes label="Composite" widgetClass="Composite"/>

-  <compositeWidgetTypes label="Group" widgetClass="Group"/>

-  <layoutTypes label="GridLayout" widgetClass="GridLayout"/>

-  <layoutTypes label="FillLayout" widgetClass="FillLayout"/>

-  <layoutTypes label="RowLayout" widgetClass="RowLayout"/>

-  <layoutTypes label="PropertiesLayout" widgetClass="PropertiesLayout" namespace="//@namespaces.4"/>

-  <namespaces prefix="" name="" value="http://www.eclipse.org/xwt/presentation"/>

-  <namespaces prefix="" name="x" value="http://www.eclipse.org/xwt"/>

-  <namespaces name="j" value="java.lang"/>

-  <namespaces name="ppe" value="org.eclipse.papyrus.views.properties.widgets"/>

-  <namespaces name="ppel" value="org.eclipse.papyrus.views.properties.widgets.layout"/>

-  <namespaces name="ppec" value="org.eclipse.papyrus.views.properties.creation"/>

-  <miscClasses label="EMF object factory" class="EcorePropertyEditorFactory" namespace="//@namespaces.5"/>

-  <miscClasses label="Property view Edition factory" class="PropertyEditorFactory" namespace="//@namespaces.5"/>

-</environment:Environment>

+<?xml version="1.0" encoding="ASCII"?>
+<environment:Environment xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:environment="http://www.eclipse.org/papyrus/properties/environment/0.9">
+  <constraintTypes label="EMF Instance Of (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.EMFInstanceOfConstraint"/>
+  <constraintTypes label="True Constraint (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.TrueConstraint"/>
+  <constraintTypes label="EMF Query (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.EMFQueryConstraint"/>
+  <constraintTypes label="Java Instance Of (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.JavaInstanceOf"/>
+  <constraintTypes label="Java Query (Deprecated)" constraintClass="org.eclipse.papyrus.infra.constraints.constraints.JavaQueryConstraint"/>
+  <modelElementFactories name="EMF Factory" factoryClass="org.eclipse.papyrus.views.properties.modelelement.EMFModelElementFactory"/>
+  <modelElementFactories name="Annotation Factory" factoryClass="org.eclipse.papyrus.views.properties.modelelement.AnnotationModelElementFactory"/>
+  <modelElementFactories name="Basic preferences Factory" factoryClass="org.eclipse.papyrus.views.properties.modelelement.PreferencesModelElementFactory"/>
+  <widgetTypes label="Label" widgetClass="Label"/>
+  <widgetTypes label="Text" widgetClass="Text"/>
+  <widgetTypes label="Button" widgetClass="Button"/>
+  <propertyEditorTypes label="StringEditor" widgetClass="StringEditor" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="StringMultiline" widgetClass="StringMultiline" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="StringLabel (Read-only)" widgetClass="StringLabel" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="StringCombo" widgetClass="StringCombo" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="FileSelector" widgetClass="StringFileSelector" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="BooleanCombo" widgetClass="BooleanCombo" namespace="//@namespaces.3" type="Boolean"/>
+  <propertyEditorTypes label="BooleanCheckbox" widgetClass="BooleanCheckbox" namespace="//@namespaces.3" type="Boolean"/>
+  <propertyEditorTypes label="BooleanRadio" widgetClass="BooleanRadio" namespace="//@namespaces.3" type="Boolean"/>
+  <propertyEditorTypes label="BooleanToggle" widgetClass="BooleanToggle" namespace="//@namespaces.3" type="Boolean"/>
+  <propertyEditorTypes label="IntegerEditor" widgetClass="IntegerEditor" namespace="//@namespaces.3" type="Integer"/>
+  <propertyEditorTypes label="IntegerSpinner" widgetClass="IntegerSpinner" namespace="//@namespaces.3" type="Integer"/>
+  <propertyEditorTypes label="EnumCombo" widgetClass="EnumCombo" namespace="//@namespaces.3" type="Enumeration"/>
+  <propertyEditorTypes label="EnumRadio (No preview)" widgetClass="EnumRadio" namespace="//@namespaces.3" type="Enumeration"/>
+  <propertyEditorTypes label="ReferenceCombo" widgetClass="ReferenceCombo" namespace="//@namespaces.3" type="Reference"/>
+  <propertyEditorTypes label="ReferenceDialog" widgetClass="ReferenceDialog" namespace="//@namespaces.3" type="Reference"/>
+  <propertyEditorTypes label="ViewEditor" widgetClass="ViewEditor" namespace="//@namespaces.3" type="Reference" multiplicity="-1"/>
+  <propertyEditorTypes label="ReferenceLabel (Read-only)" widgetClass="ReferenceLabel" namespace="//@namespaces.3" type="Reference"/>
+  <propertyEditorTypes label="MultiReference" widgetClass="MultiReference" namespace="//@namespaces.3" type="Reference" multiplicity="-1"/>
+  <propertyEditorTypes label="MultiReferenceWithPropertyView" widgetClass="MultiReferencePropertyEditorWithPropertyView" namespace="//@namespaces.3" type="Reference" multiplicity="-1"/>
+  <propertyEditorTypes label="MultiString" widgetClass="MultiString" namespace="//@namespaces.3" multiplicity="-1"/>
+  <propertyEditorTypes label="MultipleFileEditor" widgetClass="MultiStringFile" namespace="//@namespaces.3" multiplicity="-1"/>
+  <propertyEditorTypes label="MultiInteger" widgetClass="MultiInteger" namespace="//@namespaces.3" type="Integer" multiplicity="-1"/>
+  <propertyEditorTypes label="InvalidWidget" widgetClass="InvalidWidget" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="StringMultiline with References" widgetClass="StringMultilineWithReferences" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="FloatEditor" widgetClass="FloatEditor" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="DoubleEditor" widgetClass="DoubleEditor" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="UnlimitedNaturalEditor" widgetClass="UnlimitedNaturalEditor" namespace="//@namespaces.3"/>
+  <propertyEditorTypes label="Browse Path Button" widgetClass="BrowseFilePropertyEditor" namespace="//@namespaces.3"/>
+  <compositeWidgetTypes label="Composite" widgetClass="Composite"/>
+  <compositeWidgetTypes label="Group" widgetClass="Group"/>
+  <layoutTypes label="GridLayout" widgetClass="GridLayout"/>
+  <layoutTypes label="FillLayout" widgetClass="FillLayout"/>
+  <layoutTypes label="RowLayout" widgetClass="RowLayout"/>
+  <layoutTypes label="PropertiesLayout" widgetClass="PropertiesLayout" namespace="//@namespaces.4"/>
+  <namespaces prefix="" name="" value="http://www.eclipse.org/xwt/presentation"/>
+  <namespaces prefix="" name="x" value="http://www.eclipse.org/xwt"/>
+  <namespaces name="j" value="java.lang"/>
+  <namespaces name="ppe" value="org.eclipse.papyrus.views.properties.widgets"/>
+  <namespaces name="ppel" value="org.eclipse.papyrus.views.properties.widgets.layout"/>
+  <namespaces name="ppec" value="org.eclipse.papyrus.views.properties.creation"/>
+  <miscClasses label="EMF object factory" class="EcorePropertyEditorFactory" namespace="//@namespaces.5"/>
+  <miscClasses label="Property view Edition factory" class="PropertyEditorFactory" namespace="//@namespaces.5"/>
+</environment:Environment>
diff --git a/plugins/views/properties/org.eclipse.papyrus.views.properties/src/org/eclipse/papyrus/views/properties/widgets/BrowseFilePropertyEditor.java b/plugins/views/properties/org.eclipse.papyrus.views.properties/src/org/eclipse/papyrus/views/properties/widgets/BrowseFilePropertyEditor.java
new file mode 100644
index 00000000000..a2d0f078be4
--- /dev/null
+++ b/plugins/views/properties/org.eclipse.papyrus.views.properties/src/org/eclipse/papyrus/views/properties/widgets/BrowseFilePropertyEditor.java
@@ -0,0 +1,175 @@
+/*****************************************************************************
+ * Copyright (c) 2014 CEA LIST.
+ * 
+ * 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:
+ *	Gabriel Pascual (ALL4TEC) gabriel.pascual@all4tec.net - Initial API and implementation
+ *****************************************************************************/
+package org.eclipse.papyrus.views.properties.widgets;
+
+import org.eclipse.papyrus.infra.widgets.editors.BrowseFileEditor;
+import org.eclipse.swt.widgets.Composite;
+
+
+/**
+ * Property editor for attribute that need a file selection.
+ * Its display have unique button with an associated menu to choice where file comes frome.
+ */
+public class BrowseFilePropertyEditor extends AbstractPropertyEditor {
+
+	/** The browse file editor. */
+	private BrowseFileEditor browseFileEditor = null;
+
+	/** The filtered extensions This should be a 1-1 mapping with {@link #filterNames}. */
+	protected String[] filterExtensions = null;
+
+	/**
+	 * The name of the filters.
+	 * This should be a 1-1 mapping with {@link #filterExtensions}
+	 */
+	protected String[] filterNames = null;
+
+	/** Enables the "browse workspace" feature. */
+	protected boolean allowWorkspace = true;
+
+	/** Enables the "browse file system" feature. */
+	protected boolean allowFileSystem = true;
+
+	/**
+	 * Instantiates a new browse file property editor.
+	 *
+	 * @param parent
+	 *        the parent
+	 * @param style
+	 *        the style
+	 */
+	public BrowseFilePropertyEditor(Composite parent, int style) {
+		browseFileEditor = createBrowseFileEditor(parent, style);
+		super.setEditor(browseFileEditor);
+	}
+
+	/**
+	 * Set label to browse button.
+	 * 
+	 * @param buttonLabel
+	 *        Label to set
+	 */
+	public void setButtonLabel(String buttonLabel) {
+		browseFileEditor.setButtonLabel(buttonLabel);
+	}
+
+
+	/**
+	 * @return Label of browse button
+	 */
+	public String getButtonLabel() {
+		return browseFileEditor.getButtonLabel();
+	}
+
+	/**
+	 * Creates the browse file editor.
+	 *
+	 * @param parent
+	 *        the parent
+	 * @param style
+	 *        the style
+	 * @return the browse file editor
+	 */
+	private BrowseFileEditor createBrowseFileEditor(Composite parent, int style) {
+
+		return new BrowseFileEditor(parent, style);
+	}
+
+	/**
+	 * Sets the filter extensions.
+	 *
+	 * @param filterExtensions
+	 *        the new filter extensions
+	 */
+	public void setFilterExtensions(String[] filterExtensions) {
+		this.filterExtensions = filterExtensions;
+		checkFilters();
+	}
+
+	/**
+	 * Gets the filter extensions.
+	 *
+	 * @return the filter extensions
+	 */
+	public String[] getFilterExtensions() {
+		return this.filterExtensions;
+	}
+
+	/**
+	 * Sets the filter names.
+	 *
+	 * @param filterNames
+	 *        the new filter names
+	 */
+	public void setFilterNames(String[] filterNames) {
+		this.filterNames = filterNames;
+		checkFilters();
+	}
+
+	/**
+	 * Gets the filter names.
+	 *
+	 * @return the filter names
+	 */
+	public String[] getFilterNames() {
+		return this.filterNames;
+	}
+
+	/**
+	 * Checks if the filters are valid.
+	 */
+	protected void checkFilters() {
+		if(filterExtensions != null && filterNames != null) {
+			browseFileEditor.setFilters(filterExtensions, filterNames);
+		}
+	}
+
+	/**
+	 * Indicates whether the editor should allow browsing the workspace or not.
+	 *
+	 * @param allowWorkspace
+	 *        the new allow workspace
+	 */
+	public void setAllowWorkspace(boolean allowWorkspace) {
+		this.allowWorkspace = allowWorkspace;
+		browseFileEditor.setAllowWorkspace(allowWorkspace);
+	}
+
+	/**
+	 * Gets the allow workspace.
+	 *
+	 * @return true if the editor can browse the workspace
+	 */
+	public boolean getAllowWorkspace() {
+		return allowWorkspace;
+	}
+
+	/**
+	 * Indicates whether the editor should allow browsing the file system or not.
+	 *
+	 * @param allowFileSystem
+	 *        the new allow file system
+	 */
+	public void setAllowFileSystem(boolean allowFileSystem) {
+		this.allowFileSystem = allowFileSystem;
+		browseFileEditor.setAllowFileSystem(allowFileSystem);
+	}
+
+	/**
+	 * Gets the allow file system.
+	 *
+	 * @return true if the editor can browse the fileSystem
+	 */
+	public boolean getAllowFileSystem() {
+		return allowFileSystem;
+	}
+}