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, 53 insertions, 41 deletions

diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.css.model/Model/StyleSheets.ecore b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.css.model/Model/StyleSheets.ecore
index 933548c12b1..fe1bb5006d3 100644
--- a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.css.model/Model/StyleSheets.ecore
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.css.model/Model/StyleSheets.ecore
@@ -1,18 +1,30 @@
-<?xml version="1.0" encoding="UTF-8"?>

-<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

-    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="stylesheets" nsURI="http://www.eclipse.org/papyrus/infra/gmfdiag/css"

-    nsPrefix="css">

-  <eClassifiers xsi:type="ecore:EClass" name="ModelStyleSheets" eSuperTypes="platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EModelElement">

-    <eStructuralFeatures xsi:type="ecore:EReference" name="stylesheets" upperBound="-1"

-        eType="#//StyleSheet" containment="true"/>

-  </eClassifiers>

-  <eClassifiers xsi:type="ecore:EClass" name="StyleSheet" abstract="true" interface="true"/>

-  <eClassifiers xsi:type="ecore:EClass" name="StyleSheetReference" eSuperTypes="#//StyleSheet">

-    <eStructuralFeatures xsi:type="ecore:EAttribute" name="path" lowerBound="1" eType="ecore:EDataType platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EString"/>

-  </eClassifiers>

-  <eClassifiers xsi:type="ecore:EClass" name="EmbeddedStyleSheet" eSuperTypes="#//StyleSheet">

-    <eStructuralFeatures xsi:type="ecore:EAttribute" name="label" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>

-    <eStructuralFeatures xsi:type="ecore:EAttribute" name="content" lowerBound="1"

-        eType="ecore:EDataType platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EString"/>

-  </eClassifiers>

-</ecore:EPackage>

+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="stylesheets" nsURI="http://www.eclipse.org/papyrus/infra/gmfdiag/css"
+    nsPrefix="css">
+  <eClassifiers xsi:type="ecore:EClass" name="ModelStyleSheets" eSuperTypes="platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EModelElement">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="stylesheets" upperBound="-1"
+        eType="#//StyleSheet" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="StyleSheet" abstract="true" interface="true"/>
+  <eClassifiers xsi:type="ecore:EClass" name="StyleSheetReference" eSuperTypes="#//StyleSheet">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="path" lowerBound="1" eType="ecore:EDataType platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EString"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="EmbeddedStyleSheet" eSuperTypes="#//StyleSheet">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="label" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="content" lowerBound="1"
+        eType="ecore:EDataType platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EString"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="WorkspaceThemes" eSuperTypes="platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EModelElement">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="themes" upperBound="-1"
+        eType="#//Theme" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Theme">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="id" ordered="false" eType="ecore:EDataType platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EString"
+        defaultValueLiteral="" iD="true"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="label" eType="ecore:EDataType platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="icon" eType="ecore:EDataType platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="stylesheets" upperBound="-1"
+        eType="#//StyleSheet" containment="true"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.css.model/Model/StyleSheets.genmodel b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.css.model/Model/StyleSheets.genmodel
index 720a70cd78a..aac7ed7278c 100644
--- a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.css.model/Model/StyleSheets.genmodel
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.css.model/Model/StyleSheets.genmodel
@@ -1,23 +1,23 @@
-<?xml version="1.0" encoding="UTF-8"?>

-<genmodel:GenModel xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore"

-    xmlns:genmodel="http://www.eclipse.org/emf/2002/GenModel" modelDirectory="/org.eclipse.papyrus.infra.gmfdiag.css.model/src-gen"

-    editDirectory="/org.eclipse.papyrus.infra.gmfdiag.css.model.edit/src-gen" editorDirectory="/org.eclipse.papyrus.infra.gmfdiag.css.model.editor/src-gen"

-    modelPluginID="org.eclipse.papyrus.infra.gmfdiag.css.model" modelName="StyleSheets"

-    testsDirectory="/org.eclipse.papyrus.infra.gmfdiag.css.model.tests/src-gen" importerID="org.eclipse.emf.importer.ecore"

-    complianceLevel="5.0" copyrightFields="false" usedGenPackages="platform:/plugin/org.eclipse.emf.ecore/model/Ecore.genmodel#//ecore">

-  <foreignModel>StyleSheets.ecore</foreignModel>

-  <genPackages prefix="Stylesheets" basePackage="org.eclipse.papyrus.infra.gmfdiag.css"

-      disposableProviderFactory="true" ecorePackage="StyleSheets.ecore#/">

-    <genClasses ecoreClass="StyleSheets.ecore#//ModelStyleSheets">

-      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference StyleSheets.ecore#//ModelStyleSheets/stylesheets"/>

-    </genClasses>

-    <genClasses image="false" ecoreClass="StyleSheets.ecore#//StyleSheet"/>

-    <genClasses ecoreClass="StyleSheets.ecore#//StyleSheetReference">

-      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute StyleSheets.ecore#//StyleSheetReference/path"/>

-    </genClasses>

-    <genClasses ecoreClass="StyleSheets.ecore#//EmbeddedStyleSheet">

-      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute StyleSheets.ecore#//EmbeddedStyleSheet/label"/>

-      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute StyleSheets.ecore#//EmbeddedStyleSheet/content"/>

-    </genClasses>

-  </genPackages>

-</genmodel:GenModel>

+<?xml version="1.0" encoding="UTF-8"?>
+<genmodel:GenModel xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore"
+    xmlns:genmodel="http://www.eclipse.org/emf/2002/GenModel" modelDirectory="/org.eclipse.papyrus.infra.gmfdiag.css.model/src-gen"
+    editDirectory="/org.eclipse.papyrus.infra.gmfdiag.css.model.edit/src-gen" editorDirectory="/org.eclipse.papyrus.infra.gmfdiag.css.model.editor/src-gen"
+    modelPluginID="org.eclipse.papyrus.infra.gmfdiag.css.model" modelName="StyleSheets"
+    testsDirectory="/org.eclipse.papyrus.infra.gmfdiag.css.model.tests/src-gen" importerID="org.eclipse.emf.importer.ecore"
+    complianceLevel="5.0" copyrightFields="false" usedGenPackages="platform:/plugin/org.eclipse.emf.ecore/model/Ecore.genmodel#//ecore">
+  <foreignModel>StyleSheets.ecore</foreignModel>
+  <genPackages prefix="Stylesheets" basePackage="org.eclipse.papyrus.infra.gmfdiag.css"
+      disposableProviderFactory="true" ecorePackage="StyleSheets.ecore#/">
+    <genClasses ecoreClass="StyleSheets.ecore#//ModelStyleSheets">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference StyleSheets.ecore#//ModelStyleSheets/stylesheets"/>
+    </genClasses>
+    <genClasses image="false" ecoreClass="StyleSheets.ecore#//StyleSheet"/>
+    <genClasses ecoreClass="StyleSheets.ecore#//StyleSheetReference">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute StyleSheets.ecore#//StyleSheetReference/path"/>
+    </genClasses>
+    <genClasses ecoreClass="StyleSheets.ecore#//EmbeddedStyleSheet">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute StyleSheets.ecore#//EmbeddedStyleSheet/label"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute StyleSheets.ecore#//EmbeddedStyleSheet/content"/>
+    </genClasses>
+  </genPackages>
+</genmodel:GenModel>