Bug 441179: [java code reverse] Reverse plugin shall provide eclipse

preferences for search path & creation path values.

Merge manually gerrit review 31044
https://git.eclipse.org/r/#/c/31044/

11 files changed, 1107 insertions, 654 deletions

diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/META-INF/MANIFEST.MF b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/META-INF/MANIFEST.MF
index 831105a95fd..1252ef20a54 100644
--- a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/META-INF/MANIFEST.MF
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/META-INF/MANIFEST.MF
@@ -1,22 +1,23 @@
-Manifest-Version: 1.0

-Require-Bundle: org.eclipse.ui,

- org.eclipse.emf.transaction;bundle-version="1.2.0",

- org.eclipse.gef;bundle-version="3.4.0",

- org.eclipse.jdt.core;bundle-version="3.4.0",

- org.eclipse.papyrus.java.reverse;bundle-version="1.2.0",

- org.eclipse.papyrus.infra.core;bundle-version="1.2.0",

- org.eclipse.papyrus.uml.tools;bundle-version="1.2.0",

- org.eclipse.gmf.runtime.diagram.core,

- org.eclipse.papyrus.infra.gmfdiag.dnd;bundle-version="1.2.0",

- org.eclipse.papyrus.infra.emf.diagram.common;bundle-version="1.2.0",

- org.eclipse.papyrus.uml.diagram.common;bundle-version="1.2.0",

- org.eclipse.papyrus.infra.ui;bundle-version="1.2.0"

-Bundle-Vendor: %providerName

-Bundle-ActivationPolicy: lazy

-Bundle-Version: 1.2.0.qualifier

-Bundle-Localization: plugin

-Bundle-Name: %pluginName

-Bundle-Activator: org.eclipse.papyrus.java.reverse.ui.Activator

-Bundle-ManifestVersion: 2

-Bundle-SymbolicName: org.eclipse.papyrus.java.reverse.ui;singleton:=true

-Bundle-RequiredExecutionEnvironment: JavaSE-1.6

+Manifest-Version: 1.0
+Require-Bundle: org.eclipse.ui,
+ org.eclipse.emf.transaction;bundle-version="1.2.0",
+ org.eclipse.gef;bundle-version="3.4.0",
+ org.eclipse.jdt.core;bundle-version="3.4.0",
+ org.eclipse.papyrus.java.reverse;bundle-version="1.2.0",
+ org.eclipse.papyrus.infra.core;bundle-version="1.2.0",
+ org.eclipse.papyrus.uml.tools;bundle-version="1.2.0",
+ org.eclipse.gmf.runtime.diagram.core,
+ org.eclipse.papyrus.infra.gmfdiag.dnd;bundle-version="1.2.0",
+ org.eclipse.jdt.ui,
+ org.eclipse.papyrus.infra.emf.diagram.common;bundle-version="1.2.0",
+ org.eclipse.papyrus.uml.diagram.common;bundle-version="1.2.0",
+ org.eclipse.papyrus.infra.ui;bundle-version="1.2.0"
+Bundle-Vendor: %providerName
+Bundle-ActivationPolicy: lazy
+Bundle-Version: 1.2.0.qualifier
+Bundle-Localization: plugin
+Bundle-Name: %pluginName
+Bundle-Activator: org.eclipse.papyrus.java.reverse.ui.Activator
+Bundle-ManifestVersion: 2
+Bundle-SymbolicName: org.eclipse.papyrus.java.reverse.ui;singleton:=true
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/plugin.xml b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/plugin.xml
index 6e744e206e8..3f9e8386914 100644
--- a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/plugin.xml
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/plugin.xml
@@ -1,154 +1,169 @@
-<?xml version="1.0" encoding="UTF-8"?>

-<?eclipse version="3.2"?>

-<plugin>

-   <extension

-         point="org.eclipse.ui.handlers">

-      <handler

-            class="org.eclipse.papyrus.java.reverse.ui.ReverseCodeHandler"

-            commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand">

-         <enabledWhen>

-            <with

-                  variable="activeEditorId">

-			<equals

-         			value="org.eclipse.papyrus.infra.core.papyrusEditor">

-			</equals>

-            </with>

-         </enabledWhen>

-      </handler>

-      <handler

-            class="org.eclipse.papyrus.java.reverse.ui.handlers.CreateAssociationFromPropertyHandler"

-            commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand">

-      </handler>

-   </extension>

-   <extension

-         point="org.eclipse.ui.menus">

-      <menuContribution

-            locationURI="toolbar:org.eclipse.ui.main.toolbar">

-         <toolbar

-               id="org.eclipse.papyrus.java.ui.toolbar">

-            <command

-                  commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"

-                  icon="icons/javaReverse.gif"

-                  label="Java Reverse"

-                  style="push"

-                  tooltip="Reverse Java code into current model">

-            </command>

-            <command

-                  commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"

-                  icon="icons/associationFromProperty.gif"

-                  label="Create Association From Property"

-                  style="push">

-            </command>

-         </toolbar>

-      </menuContribution>

-      <menuContribution

-            locationURI="menu:org.eclipse.papyrus.ui.menu">

-         <menu

-               id="org.eclipse.papyrus.java.ui.menu"

-               label="Java">

-            <command

-                  commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"

-                  style="push">

-            </command>

-         </menu>

-         <menu

-               id="org.eclipse.papyrus.ui.menu.misc"

-               label="Utils">

-            <command

-                  commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"

-                  icon="icons/associationFromProperty.gif"

-                  label="Create Association From Property"

-                  style="push">

-            </command>

-         </menu>

-      </menuContribution>

-      <menuContribution

-            locationURI="popup:org.eclipse.sash.ui.folder">

-         <menu

-               id="org.eclipse.papyrus.java.ui.sash.menu"

-               label="Java">

-            <command

-                  commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"

-                  style="push">

-            </command>

-         </menu>

-      </menuContribution>

-      <menuContribution

-            locationURI="popup:org.eclipse.papyrus.views.modelexplorer.modelexplorer.popup">

-         <menu

-               id="org.eclipse.papyrus.ui.popupmenu.modelexplorer.misc"

-               label="Utils">

-            <command

-                  commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"

-                  icon="icons/associationFromProperty.gif"

-                  label="Create Association From Property"

-                  style="push">

-            </command>

-         </menu>

-      </menuContribution>

-      <menuContribution

-            locationURI="popup:org.eclipse.gmf.runtime.diagram.ui.DiagramEditorContextMenu">

-         <menu

-               id="org.eclipse.papyrus.ui.popupmenu.diagram.misc"

-               label="Utils">

-            <command

-                  commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"

-                  icon="icons/associationFromProperty.gif"

-                  label="Create Association From Property"

-                  style="push">

-            </command>

-         </menu>

-      </menuContribution>

-      <menuContribution

-            allPopups="false"

-            locationURI="popup:org.eclipse.ui.popup.any">

-         <menu

-               id="org.eclipse.papyrus.java.reverse.ui.javaMenu"

-               label="Java">

-            <command

-                  commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"

-                  style="push">

-               <visibleWhen

-                     checkEnabled="false">

-                 <with

-                     variable="activeMenuSelection">

-                  <iterate

-                        ifEmpty="false"

-                        operator="or">

-                     <adapt

-                           type="org.eclipse.jdt.core.IJavaElement">

-                       <and>

-               			<not>

-                       		<adapt

-                                  type="org.eclipse.jdt.core.IJavaProject">

-                            </adapt>

-                       	</not>

-                       </and>

-                     </adapt>

-                  </iterate>

-               </with>

-               </visibleWhen>

-            </command>

-         </menu>

-      </menuContribution>

-   </extension>

-   <extension

-         point="org.eclipse.ui.commands">

-      <command

-            description="Reverse Java code into current model"

-            id="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"

-            name="Java Reverse">

-      </command>

-      <command

-            description="Create a New association from the Property."

-            id="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"

-            name="Create Association From Property">

-      </command>

-   </extension>

-	<extension

-         point="org.eclipse.papyrus.infra.gmfdiag.dnd.dropStrategy">

-      <strategy

-            strategy="org.eclipse.papyrus.java.reverse.ui.dnd.DropReverseStrategy">

-      </strategy>

-   </extension>

-</plugin>

+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.2"?>
+<plugin>
+   <extension
+         point="org.eclipse.ui.handlers">
+      <handler
+            class="org.eclipse.papyrus.java.reverse.ui.ReverseCodeHandler"
+            commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand">
+         <enabledWhen>
+            <with
+                  variable="activeEditorId">
+			<equals
+         			value="org.eclipse.papyrus.infra.core.papyrusEditor">
+			</equals>
+            </with>
+         </enabledWhen>
+      </handler>
+      <handler
+            class="org.eclipse.papyrus.java.reverse.ui.handlers.CreateAssociationFromPropertyHandler"
+            commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand">
+      </handler>
+   </extension>
+   <extension
+         point="org.eclipse.ui.menus">
+      <menuContribution
+            locationURI="toolbar:org.eclipse.ui.main.toolbar">
+         <toolbar
+               id="org.eclipse.papyrus.java.ui.toolbar">
+            <command
+                  commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"
+                  icon="icons/javaReverse.gif"
+                  label="Java Reverse"
+                  style="push"
+                  tooltip="Reverse Java code into current model">
+            </command>
+            <command
+                  commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"
+                  icon="icons/associationFromProperty.gif"
+                  label="Create Association From Property"
+                  style="push">
+            </command>
+         </toolbar>
+      </menuContribution>
+      <menuContribution
+            locationURI="menu:org.eclipse.papyrus.ui.menu">
+         <menu
+               id="org.eclipse.papyrus.java.ui.menu"
+               label="Java">
+            <command
+                  commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"
+                  style="push">
+            </command>
+         </menu>
+         <menu
+               id="org.eclipse.papyrus.ui.menu.misc"
+               label="Utils">
+            <command
+                  commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"
+                  icon="icons/associationFromProperty.gif"
+                  label="Create Association From Property"
+                  style="push">
+            </command>
+         </menu>
+      </menuContribution>
+      <menuContribution
+            locationURI="popup:org.eclipse.sash.ui.folder">
+         <menu
+               id="org.eclipse.papyrus.java.ui.sash.menu"
+               label="Java">
+            <command
+                  commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"
+                  style="push">
+            </command>
+         </menu>
+      </menuContribution>
+      <menuContribution
+            locationURI="popup:org.eclipse.papyrus.views.modelexplorer.modelexplorer.popup">
+         <menu
+               id="org.eclipse.papyrus.ui.popupmenu.modelexplorer.misc"
+               label="Utils">
+            <command
+                  commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"
+                  icon="icons/associationFromProperty.gif"
+                  label="Create Association From Property"
+                  style="push">
+            </command>
+         </menu>
+      </menuContribution>
+      <menuContribution
+            locationURI="popup:org.eclipse.gmf.runtime.diagram.ui.DiagramEditorContextMenu">
+         <menu
+               id="org.eclipse.papyrus.ui.popupmenu.diagram.misc"
+               label="Utils">
+            <command
+                  commandId="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"
+                  icon="icons/associationFromProperty.gif"
+                  label="Create Association From Property"
+                  style="push">
+            </command>
+         </menu>
+      </menuContribution>
+      <menuContribution
+            allPopups="false"
+            locationURI="popup:org.eclipse.ui.popup.any">
+         <menu
+               id="org.eclipse.papyrus.java.reverse.ui.javaMenu"
+               label="Java">
+            <command
+                  commandId="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"
+                  style="push">
+               <visibleWhen
+                     checkEnabled="false">
+                 <with
+                     variable="activeMenuSelection">
+                  <iterate
+                        ifEmpty="false"
+                        operator="or">
+                     <adapt
+                           type="org.eclipse.jdt.core.IJavaElement">
+                       <and>
+               			<not>
+                       		<adapt
+                                  type="org.eclipse.jdt.core.IJavaProject">
+                            </adapt>
+                       	</not>
+                       </and>
+                     </adapt>
+                  </iterate>
+               </with>
+               </visibleWhen>
+            </command>
+         </menu>
+      </menuContribution>
+   </extension>
+   <extension
+         point="org.eclipse.ui.commands">
+      <command
+            description="Reverse Java code into current model"
+            id="org.eclipse.papyrus.java.reverse.ui.reverseCodeCommand"
+            name="Java Reverse">
+      </command>
+      <command
+            description="Create a New association from the Property."
+            id="org.eclipse.papyrus.java.reverse.ui.commands.CreateAssociationFromPropertyCommand"
+            name="Create Association From Property">
+      </command>
+   </extension>
+	<extension
+         point="org.eclipse.papyrus.infra.gmfdiag.dnd.dropStrategy">
+      <strategy
+            strategy="org.eclipse.papyrus.java.reverse.ui.dnd.DropReverseStrategy">
+      </strategy>
+   </extension>
+      <extension
+         point="org.eclipse.ui.preferencePages">
+      <page
+            category="org.eclipse.papyrus.infra.core.sasheditor.preferences.generalcategory"
+            class="org.eclipse.papyrus.java.reverse.ui.preference.PreferencePage"
+            id="org.eclipse.papyrus.java.reverse.ui.preference.PreferencePage"
+            name="Java Code Reverse">
+      </page>
+   </extension>
+   <extension
+         point="org.eclipse.core.runtime.preferences">
+      <initializer
+            class="org.eclipse.papyrus.java.reverse.ui.preference.PreferenceInitializer">
+      </initializer>
+   </extension>
+</plugin>
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/DndReverseCodeHandler.java b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/DndReverseCodeHandler.java
index 491ddc1c18a..4dca0015470 100644
--- a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/DndReverseCodeHandler.java
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/DndReverseCodeHandler.java
@@ -125,7 +125,7 @@ public class DndReverseCodeHandler extends ReverseCodeHandler {
 
 	@Override
 	protected ReverseCodeDialog getDialog(Shell shell, String modelUid) {
-		return new DndReverseCodeDialog(shell, modelUid, null, null);
+		return new DndReverseCodeDialog(shell, modelUid, getSelectedProjectName(), null);
 	}
 
 	/**
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/ReverseCodeHandler.java b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/ReverseCodeHandler.java
index 6bd5d992149..cf6b83a6033 100644
--- a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/ReverseCodeHandler.java
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/ReverseCodeHandler.java
@@ -1,196 +1,216 @@
-/**

- *

- */

-package org.eclipse.papyrus.java.reverse.ui;

-

-import java.util.Arrays;

-import java.util.List;

-

-import org.eclipse.core.commands.AbstractHandler;

-import org.eclipse.core.commands.ExecutionEvent;

-import org.eclipse.core.commands.ExecutionException;

-import org.eclipse.core.commands.IHandler;

-import org.eclipse.core.runtime.IStatus;

-import org.eclipse.core.runtime.Status;

-import org.eclipse.emf.ecore.resource.Resource;

-import org.eclipse.emf.transaction.RecordingCommand;

-import org.eclipse.emf.transaction.TransactionalEditingDomain;

-import org.eclipse.jface.dialogs.ErrorDialog;

-import org.eclipse.jface.window.Window;

-import org.eclipse.papyrus.infra.core.services.ServiceException;

-import org.eclipse.papyrus.infra.ui.editor.IMultiDiagramEditor;

-import org.eclipse.papyrus.infra.ui.util.EditorUtils;

-import org.eclipse.papyrus.infra.ui.util.ServiceUtilsForActionHandlers;

-import org.eclipse.papyrus.java.reverse.ui.dialog.ReverseCodeDialog;

-import org.eclipse.papyrus.uml.tools.model.UmlUtils;

-import org.eclipse.swt.widgets.Shell;

-import org.eclipse.ui.PlatformUI;

-import org.eclipse.ui.handlers.HandlerUtil;

-import org.eclipse.uml2.uml.Package;

-

-

-/**

- * @author dumoulin

- *

- */

-public class ReverseCodeHandler extends AbstractHandler implements IHandler {

-

-	private static String DefaultGenerationModeleName = "generated";

-

-	/**

-	 * Method called when button is pressed.

-	 */

-	@Override

-	public Object execute(ExecutionEvent event) throws ExecutionException {

-		// Try to find uml resource

-		final Resource umlResource;

-		try {

-			umlResource = getUmlResource();

-		} catch (NullPointerException e) {

-			// No uml resource available. User must open a model. We open an error dialog with an explicit message to advice user.

-			Shell shell = HandlerUtil.getActiveShell(event);

-			Status errorStatus = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.ReverseCodeHandler_NoModelError_Title);

-			ErrorDialog.openError(shell, "", Messages.ReverseCodeHandler_NoModelError_Message, errorStatus);

-

-			// Stop the reverse execution.

-			return null;

-		}

-		;

-

-		String modelUid = getModelUid(umlResource);

-		System.out.println("Model uid :" + modelUid);

-

-		// Get reverse parameters from a dialog

-		Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart().getSite().getShell();

-		// ReverseCodeDialog dialog = new ReverseCodeDialog(shell, DefaultGenerationPackageName, Arrays.asList("generated") );

-		final ReverseCodeDialog dialog = getDialog(shell, modelUid);

-

-		int res = dialog.open();

-		// System.out.println("dialog result =" + res);

-		if (res == Window.CANCEL) {

-			System.out.println("Canceled by user.");

-			return null;

-		}

-

-		// Execute the reverse with provided parameters

-		TransactionalEditingDomain editingDomain;

-		try {

-			editingDomain = getEditingDomain();

-		} catch (ServiceException e) {

-			// Can't get editing domain

-			e.printStackTrace();

-			throw new ExecutionException(e.getMessage());

-		}

-

-		RecordingCommand command = new RecordingCommand(editingDomain, "Reverse Java Code") {

-

-			@Override

-			protected void doExecute() {

-				ReverseCodeHandler.this.doExecute(dialog);

-			}

-

-		};

-

-		editingDomain.getCommandStack().execute(command);

-

-

-		return null;

-	}

-

-	/**

-	 * Find the modelUid name contains into umlResource taken in parameter

-	 *

-	 * @param umlResource

-	 * @return the modelUid name

-	 */

-	private String getModelUid(Resource umlResource) {

-		// Try to compute a uid identifying the model. Used to store user settings.

-		String modelUid = umlResource.getURI().toPlatformString(true);

-		if (modelUid == null) {

-			System.err.println("Can't compute relatif model uid. Use absolute one");

-			modelUid = umlResource.getURI().path();

-		}

-		return modelUid;

-	}

-

-	/**

-	 * Command ran in a RecordingCommand, after the dialog

-	 * Run the @link{JavaCodeReverse.executeCodeReverse}

-	 * Shall be override to change command behavior

-	 */

-	protected void doExecute(ReverseCodeDialog dialog) {

-		// Create searchpaths. Add the rootmodelname as prefix.

-		final List<String> searchPaths = Arrays.asList(dialog.getSearchPath());

-		Resource umlResource = getUmlResource();

-		String packageName = getPackageName(dialog);

-		JavaCodeReverse reverse = new JavaCodeReverse(getRootPackage(umlResource), packageName, searchPaths);

-		reverse.executeCodeReverse(umlResource, packageName, searchPaths);

-	}

-

-	/**

-	 * The dialog used for user.

-	 *

-	 * @param shell

-	 * @param modelUid

-	 * @return the dialog to show to user

-	 */

-	protected ReverseCodeDialog getDialog(Shell shell, String modelUid) {

-		return new ReverseCodeDialog(shell, modelUid, null, null);

-	}

-

-	/**

-	 * Find the name of the model provided by the dialog

-	 *

-	 * @param dialog

-	 *            opened dialog to user

-	 * @return the name of the model. If the user has changed this name, return the name provided by the user; return the default model name

-	 *         otherwise.

-	 */

-	protected String getPackageName(ReverseCodeDialog dialog) {

-		String generationPackageName = dialog.getValue();

-		if (generationPackageName == null || generationPackageName.length() == 0) {

-			generationPackageName = DefaultGenerationModeleName;

-		}

-		return generationPackageName;

-	}

-

-	/**

-	 * Get the uml resource used by the model.

-	 *

-	 * @return the Uml Resource

-	 */

-	protected Resource getUmlResource() {

-		Resource umlResource = UmlUtils.getUmlModel().getResource();

-		return umlResource;

-	}

-

-	/**

-	 * Get the name of the root model.

-	 *

-	 * @return

-	 */

-	protected Package getRootPackage(Resource umlResource) {

-		Package rootPackage = (Package) umlResource.getContents().get(0);

-		return rootPackage;

-	}

-

-	/**

-	 * Get the current MultiDiagramEditor.

-	 *

-	 * @return

-	 */

-	protected IMultiDiagramEditor getMultiDiagramEditor() {

-		return EditorUtils.getMultiDiagramEditor();

-	}

-

-	/**

-	 * Get the main editing doamin.

-	 *

-	 * @return

-	 * @throws ServiceException

-	 */

-	protected TransactionalEditingDomain getEditingDomain() throws ServiceException {

-		return ServiceUtilsForActionHandlers.getInstance().getTransactionalEditingDomain();

-	}

-

-}

+/**
+ *
+ */
+package org.eclipse.papyrus.java.reverse.ui;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.commands.IHandler;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.transaction.RecordingCommand;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.jdt.core.IJavaElement;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jface.dialogs.ErrorDialog;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.TreeSelection;
+import org.eclipse.jface.window.Window;
+import org.eclipse.papyrus.infra.core.services.ServiceException;
+import org.eclipse.papyrus.infra.ui.editor.IMultiDiagramEditor;
+import org.eclipse.papyrus.infra.ui.util.EditorUtils;
+import org.eclipse.papyrus.infra.ui.util.ServiceUtilsForActionHandlers;
+import org.eclipse.papyrus.java.reverse.ui.dialog.ReverseCodeDialog;
+import org.eclipse.papyrus.uml.tools.model.UmlUtils;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.eclipse.uml2.uml.Package;
+
+
+/**
+ * @author dumoulin
+ *
+ */
+public class ReverseCodeHandler extends AbstractHandler implements IHandler {
+
+	private static String DefaultGenerationModeleName = "generated";
+
+	/**
+	 * Method called when button is pressed.
+	 */
+	@Override
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		// Try to find uml resource
+		final Resource umlResource;
+		try {
+			umlResource = getUmlResource();
+		} catch (NullPointerException e) {
+			// No uml resource available. User must open a model. We open an error dialog with an explicit message to advice user.
+			Shell shell = HandlerUtil.getActiveShell(event);
+			Status errorStatus = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.ReverseCodeHandler_NoModelError_Title);
+			ErrorDialog.openError(shell, "", Messages.ReverseCodeHandler_NoModelError_Message, errorStatus);
+
+			// Stop the reverse execution.
+			return null;
+		}
+		;
+
+		String modelUid = getModelUid(umlResource);
+		System.out.println("Model uid :" + modelUid);
+
+		// Get reverse parameters from a dialog
+		Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart().getSite().getShell();
+		// ReverseCodeDialog dialog = new ReverseCodeDialog(shell, DefaultGenerationPackageName, Arrays.asList("generated") );
+		final ReverseCodeDialog dialog = getDialog(shell, modelUid);
+
+		int res = dialog.open();
+		// System.out.println("dialog result =" + res);
+		if (res == Window.CANCEL) {
+			System.out.println("Canceled by user.");
+			return null;
+		}
+
+		// Execute the reverse with provided parameters
+		TransactionalEditingDomain editingDomain;
+		try {
+			editingDomain = getEditingDomain();
+		} catch (ServiceException e) {
+			// Can't get editing domain
+			e.printStackTrace();
+			throw new ExecutionException(e.getMessage());
+		}
+
+		RecordingCommand command = new RecordingCommand(editingDomain, "Reverse Java Code") {
+
+			@Override
+			protected void doExecute() {
+				ReverseCodeHandler.this.doExecute(dialog);
+			}
+
+		};
+
+		editingDomain.getCommandStack().execute(command);
+
+
+		return null;
+	}
+
+	/**
+	 * Find the modelUid name contains into umlResource taken in parameter
+	 *
+	 * @param umlResource
+	 * @return the modelUid name
+	 */
+	private String getModelUid(Resource umlResource) {
+		// Try to compute a uid identifying the model. Used to store user settings.
+		String modelUid = umlResource.getURI().toPlatformString(true);
+		if (modelUid == null) {
+			System.err.println("Can't compute relatif model uid. Use absolute one");
+			modelUid = umlResource.getURI().path();
+		}
+		return modelUid;
+	}
+
+	/**
+	 * Command ran in a RecordingCommand, after the dialog
+	 * Run the @link{JavaCodeReverse.executeCodeReverse}
+	 * Shall be override to change command behavior
+	 */
+	protected void doExecute(ReverseCodeDialog dialog) {
+		// Create searchpaths. Add the rootmodelname as prefix.
+		final List<String> searchPaths = Arrays.asList(dialog.getSearchPath());
+		Resource umlResource = getUmlResource();
+		String packageName = getPackageName(dialog);
+		JavaCodeReverse reverse = new JavaCodeReverse(getRootPackage(umlResource), packageName, searchPaths);
+		reverse.executeCodeReverse(umlResource, packageName, searchPaths);
+	}
+
+	/**
+	 * The dialog used for user.
+	 *
+	 * @param shell
+	 * @param modelUid
+	 * @return the dialog to show to user
+	 */
+	protected ReverseCodeDialog getDialog(Shell shell, String modelUid) {
+		return new ReverseCodeDialog(shell, modelUid, getSelectedProjectName(), null);
+	}
+	
+	/**
+	 * 
+	 * @return the name of the selected project into explorer
+	 */
+	protected String getSelectedProjectName() {
+		// Get current selection
+		IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
+		final ISelection selection = page.getSelection();
+
+		TreeSelection treeSelection = (TreeSelection)selection;
+		IJavaElement selectionElement = (IJavaElement)treeSelection.getFirstElement();
+		String name = selectionElement.getAncestor(IJavaProject.JAVA_PROJECT).getElementName();
+		return name;
+	}
+
+	/**
+	 * Find the name of the model provided by the dialog
+	 *
+	 * @param dialog
+	 *            opened dialog to user
+	 * @return the name of the model. If the user has changed this name, return the name provided by the user; return the default model name
+	 *         otherwise.
+	 */
+	protected String getPackageName(ReverseCodeDialog dialog) {
+		String generationPackageName = dialog.getValue();
+		if (generationPackageName == null || generationPackageName.length() == 0) {
+			generationPackageName = DefaultGenerationModeleName;
+		}
+		return generationPackageName;
+	}
+
+	/**
+	 * Get the uml resource used by the model.
+	 *
+	 * @return the Uml Resource
+	 */
+	protected Resource getUmlResource() {
+		Resource umlResource = UmlUtils.getUmlModel().getResource();
+		return umlResource;
+	}
+
+	/**
+	 * Get the name of the root model.
+	 *
+	 * @return
+	 */
+	protected Package getRootPackage(Resource umlResource) {
+		Package rootPackage = (Package) umlResource.getContents().get(0);
+		return rootPackage;
+	}
+
+	/**
+	 * Get the current MultiDiagramEditor.
+	 *
+	 * @return
+	 */
+	protected IMultiDiagramEditor getMultiDiagramEditor() {
+		return EditorUtils.getMultiDiagramEditor();
+	}
+
+	/**
+	 * Get the main editing doamin.
+	 *
+	 * @return
+	 * @throws ServiceException
+	 */
+	protected TransactionalEditingDomain getEditingDomain() throws ServiceException {
+		return ServiceUtilsForActionHandlers.getInstance().getTransactionalEditingDomain();
+	}
+
+}
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/dialog/ReverseCodeDialog.java b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/dialog/ReverseCodeDialog.java
index d21b20de12d..43289f2953b 100644
--- a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/dialog/ReverseCodeDialog.java
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/dialog/ReverseCodeDialog.java
@@ -1,281 +1,340 @@
-/**

- *

- */

-package org.eclipse.papyrus.java.reverse.ui.dialog;

-

-import java.util.ArrayList;

-import java.util.Arrays;

-import java.util.List;

-

-import javagen.umlparser.CreationPackageCatalog;

-

-import org.eclipse.jface.dialogs.IDialogSettings;

-import org.eclipse.jface.dialogs.InputDialog;

-import org.eclipse.papyrus.java.reverse.ui.Activator;

-import org.eclipse.swt.widgets.Composite;

-import org.eclipse.swt.widgets.Control;

-import org.eclipse.swt.widgets.Shell;

-

-/**

- * @author dumoulin

- *

- */

-public class ReverseCodeDialog extends InputDialog {

-

-	/** Internal dialog to show list of searchpaths */

-	private InputListDialog listDialog;

-

-	/** Internal dialog to show list of creation paths */

-	private InputListDialog creationPathsDialog;

-

-	/** Returned searchpaths */

-	private String[] searchPath;

-	/** creationPaths read by the list. One line pattern by element */

-	private String[] creationPaths;

-	/** splitted creationPaths. pattern lines are splitted in small path */

-	private List<String> splittedCreationPaths;

-

-	private String SEARCHPATHS_UID = ":searchpaths";

-	private String CREATIONPATHS_UID = ":creationpaths";

-	private static String DEFAULT_PACKAGE_NAME_UID = ":defaultpackagename";

-	protected String MODEL_UID = "nomodeluid";

-

-	private static String textMsg = "Default creation package.";

-	@SuppressWarnings("unused")

-	private static String creationPackageTooltips = "The default creation package is used when no matching creation package are found.";

-

-

-	private static String dialogTitle = "Reverse Code";

-

-	private static String listMsg = "search paths  - list of model packages used to search for already existing classes (ex: p1/p2)";

-	private static String listTooltips = "search paths  - list of model packages used to search for already existing classes (ex: p1/p2)";

-

-	private static String creationPathMsg = "creation paths \n"

-			+ "pattern: includePath ; excludePath ; destination (use ';' as separator)\n";

-

-	private static String creationPathTooltips = "creation paths  - list of path describing the models inside which reversed classes will be generated.\n"

-			+ "pattern: includeJavaPackage ; excludeJavaPackage ; destinationPath (use ';' as separator)\n"

-			+ "includeJavaPackage: the java package that should be mapped. Can contain a '*'.\n"

-			+ "excludeJavaPackage: the java package that should be excluded. Can contain a '*'.\n"

-			+ "destinationPath: the uml model inside which matching java packages will be created. Can contain a '*'.\n"

-			+ "if destinationPath contains a '*', it will be replaced by the partname found at the place of '*'\n"

-			+ "in the includeJavaPackage\n"

-			+ "\n"

-			+ "ex: eclipse.org.* ; eclipse.org.papyrus ; *";

-

-

-	/**

-	 * @param parentShell

-	 * @param dialogTitle

-	 * @param dialogMessage

-	 * @param initialValue

-	 * @param validator

-	 */

-	public ReverseCodeDialog(Shell parentShell, String modelUid, String initialValue, List<String> searchPathsInitialValues) {

-		super(parentShell, dialogTitle, textMsg, getInitialValue(modelUid, initialValue), null);

-		// TODO Auto-generated constructor stub

-		IDialogSettings settings = Activator.getDefault().getDialogSettings();

-

-		MODEL_UID = modelUid;

-

-		// Look for generationPackageName if none is provided.

-		// if(initialValue == null)

-		// {

-		// String generationPackageName = settings.get("generationPackageName");

-		// getText().setText(generationPackageName);

-		//

-		// }

-		// Look for saved searchpaths if none is provided.

-		if (searchPathsInitialValues == null) {

-			String[] savedSearchPath = settings.getArray(MODEL_UID + SEARCHPATHS_UID);

-			if (savedSearchPath != null) {

-				searchPathsInitialValues = Arrays.asList(savedSearchPath);

-			} else

-			{

-				searchPathsInitialValues = CreationPackageCatalog.getDefaultSearchPath();

-			}

-		}

-

-		// Look for saved creationPaths if none is provided.

-		if (creationPaths == null) {

-			String[] savedSearchPath = settings.getArray(MODEL_UID + CREATIONPATHS_UID);

-			if (savedSearchPath != null) {

-				creationPaths = savedSearchPath;

-			} else {

-				creationPaths = CreationPackageCatalog.getDefaultPackageCreationPatterns(" ; ");

-			}

-		}

-

-		listDialog = new InputListDialog(listMsg, searchPathsInitialValues);

-		listDialog.setTooltips(listTooltips);

-		creationPathsDialog = new InputListDialog(creationPathMsg, Arrays.asList(creationPaths));

-		creationPathsDialog.setTooltips(creationPathTooltips);

-	}

-

-	/**

-	 *

-	 * @param modelUid

-	 * @param initialValue

-	 * @return

-	 */

-	private static String getInitialValue(String modelUid, String initialValue) {

-		IDialogSettings settings = Activator.getDefault().getDialogSettings();

-

-		// Look for generationPackageName if none is provided.

-		if (initialValue == null) {

-			// String generationPackageName = settings.get(MODEL_UID + SEARCHPATH_UID);

-			String generationPackageName = settings.get(modelUid + DEFAULT_PACKAGE_NAME_UID);

-			return generationPackageName;

-

-		}

-		return initialValue;

-	}

-

-	/**

-	 * Allows resizing.

-	 */

-	@Override

-	protected boolean isResizable() {

-		// TODO Auto-generated method stub

-		return true;

-	}

-

-	/**

-	 * Get the returned searchpaths.

-	 *

-	 * @return

-	 */

-	public String[] getSearchPath() {

-		return searchPath;

-	}

-

-	/**

-	 * Get the returned creationPaths, one pattern for each entry, separated by ';'.

-	 *

-	 * @return

-	 */

-	public List<String> getCreationPaths() {

-

-		return splittedCreationPaths;

-	}

-

-

-	/**

-	 * Create additional list of searchpaths.

-	 */

-	@Override

-	protected Control createDialogArea(Composite parent) {

-		// create composite

-		Composite composite = (Composite) super.createDialogArea(parent);

-

-		listDialog.createDialogArea(composite);

-		creationPathsDialog.createDialogArea(composite);

-		return composite;

-	}

-

-	/**

-	 * Save the searchpath after the button is pressed.

-	 */

-	@Override

-	protected void okPressed() {

-		// Save the list before the control is disposed

-		searchPath = listDialog.getList();

-		creationPaths = creationPathsDialog.getList();

-		String defaultCreationPath = getValue();

-		if (defaultCreationPath == null || defaultCreationPath.length() == 0) {

-			defaultCreationPath = CreationPackageCatalog.getDefaultCreationPath();

-		}

-

-		// Check inputs

-		try {

-			// Check paths

-			splittedCreationPaths = computeCreationPaths(creationPaths);

-			CreationPackageCatalog.validateCreationPath(splittedCreationPaths);

-			// add default searchPaths

-			searchPath = addDefaultSearchPaths(Arrays.asList(searchPath), splittedCreationPaths).toArray(new String[0]);

-

-		} catch (Exception e) {

-			// TODO Auto-generated catch block

-			showError(e.getMessage());

-			return;

-		}

-

-

-		// save values

-		IDialogSettings settings = Activator.getDefault().getDialogSettings();

-		settings.put(MODEL_UID + SEARCHPATHS_UID, searchPath);

-		settings.put(MODEL_UID + CREATIONPATHS_UID, creationPaths);

-		settings.put(MODEL_UID + DEFAULT_PACKAGE_NAME_UID, getValue());

-

-

-		super.okPressed();

-	}

-

-

-	/**

-	 * Add the defaultSearchPath extracted from the splittedCreationPath to the searchPath.

-	 *

-	 * @param splittedCreationPaths2

-	 */

-	private List<String> addDefaultSearchPaths(List<String> searchPath, List<String> splittedCreationPaths) {

-

-

-		List<String> result = new ArrayList<String>(searchPath.size() + splittedCreationPaths.size());

-		result.addAll(searchPath);

-

-		List<String> additionalPaths = CreationPackageCatalog.extractCreationPaths(splittedCreationPaths.toArray(new String[0]));

-		for (String toAdd : additionalPaths) {

-			if (!result.contains(toAdd)) {

-				result.add(toAdd);

-			}

-		}

-

-		return result;

-	}

-

-	/**

-	 * Show an error message

-	 *

-	 * @param message

-	 */

-	private void showError(String message) {

-		System.err.println("Error: " + message);

-

-	}

-

-

-	/**

-	 * Compute and check the creationsPaths

-	 *

-	 * @param creationPaths

-	 *            An array with one creationPattern by element

-	 * @return An array with one path by elements

-	 * @throws Exception

-	 */

-	private List<String> computeCreationPaths(String[] creationPaths) throws Exception {

-

-		List<String> result = new ArrayList<String>();

-

-		// Iterate line by line

-		// For each line, separate the 3 patterns

-		// If a pattern is empty, put a null

-		for (String line : creationPaths) {

-			String[] eles = line.split(";");

-			if (eles.length != 3) {

-				throw new Exception("A line must contains 3 pattern separated by ';' :" + line);

-			}

-			for (String ele : eles)

-			{

-				ele = ele.trim();

-				if (ele.length() == 0) {

-					ele = null;

-				}

-				// add ele

-				result.add(ele);

-			}

-		}

-		return result;

-	}

-

-

-}

+/**
+ *
+ */
+package org.eclipse.papyrus.java.reverse.ui.dialog;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.List;
+
+import javagen.umlparser.CreationPackageCatalog;
+
+import org.eclipse.jface.dialogs.IDialogSettings;
+import org.eclipse.jface.dialogs.InputDialog;
+import org.eclipse.papyrus.java.reverse.ui.Activator;
+import org.eclipse.papyrus.java.reverse.ui.preference.ReversePreference;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.RowLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+
+/**
+ * @author dumoulin
+ *
+ */
+public class ReverseCodeDialog extends InputDialog {
+
+	/** Internal dialog to show list of searchpaths */
+	private InputListDialog listDialog;
+
+	/** Internal dialog to show list of creation paths */
+	private InputListDialog creationPathsDialog;
+
+	/** Returned searchpaths */
+	private String[] searchPath;
+	/** creationPaths read by the list. One line pattern by element */
+	private String[] creationPaths;
+	/** splitted creationPaths. pattern lines are splitted in small path */
+	private List<String> splittedCreationPaths;
+
+	private String SEARCHPATHS_UID = ":searchpaths";
+	private String CREATIONPATHS_UID = ":creationpaths";
+	private static final String STEREOTYPERADIO_UID = ":stereotypeRadioButton";
+	private static final String PROJECTNAME_UID = ":projectName";
+	
+	protected String MODEL_UID = "nomodeluid";
+
+	/**
+	 * then name of the selected project
+	 */
+	private String projectName;
+	
+	private static String textMsg = "Default creation package.";
+	@SuppressWarnings("unused")
+	private static String creationPackageTooltips = "The default creation package is used when no matching creation package are found.";
+
+
+	private static String dialogTitle = "Reverse Code";
+
+	private static String listMsg = "search paths  - list of model packages used to search for already existing classes (ex: p1/p2)";
+	private static String listTooltips = "search paths  - list of model packages used to search for already existing classes (ex: p1/p2)";
+
+	private static String creationPathMsg = "creation paths \n"
+			+ "pattern: includePath ; excludePath ; destination (use ';' as separator)\n";
+
+	private static String creationPathTooltips = "creation paths  - list of path describing the models inside which reversed classes will be generated.\n"
+			+ "pattern: includeJavaPackage ; excludeJavaPackage ; destinationPath (use ';' as separator)\n"
+			+ "includeJavaPackage: the java package that should be mapped. Can contain a '*'.\n"
+			+ "excludeJavaPackage: the java package that should be excluded. Can contain a '*'.\n"
+			+ "destinationPath: the uml model inside which matching java packages will be created. Can contain a '*'.\n"
+			+ "if destinationPath contains a '*', it will be replaced by the partname found at the place of '*'\n"
+			+ "in the includeJavaPackage\n"
+			+ "\n"
+			+ "ex: eclipse.org.* ; eclipse.org.papyrus ; *";
+
+
+	/**
+	 * @param parentShell
+	 * @param dialogTitle
+	 * @param dialogMessage
+	 * @param projectName
+	 * @param validator
+	 */
+	public ReverseCodeDialog(Shell parentShell, String modelUid, String projectName, List<String> searchPathsInitialValues) {
+		super(parentShell, dialogTitle, textMsg, getInitialValue(modelUid, projectName), null);
+		// TODO Auto-generated constructor stub
+		IDialogSettings settings = Activator.getDefault().getDialogSettings();
+
+		MODEL_UID = modelUid;
+		this.projectName = projectName;
+
+		// Look for generationPackageName if none is provided.
+		// if(initialValue == null)
+		// {
+		// String generationPackageName = settings.get("generationPackageName");
+		// getText().setText(generationPackageName);
+		//
+		// }
+		
+		// Find default values for search path and creation path
+		ReversePreference preference = new ReversePreference();
+		
+		if (searchPathsInitialValues == null) {
+			String[] savedSearchPath = settings.getArray( getRootSettingKey() + SEARCHPATHS_UID);
+			if(savedSearchPath != null)
+				searchPathsInitialValues = Arrays.asList(savedSearchPath);
+			else
+			{
+				searchPathsInitialValues = getDefaultSearchPath(preference);
+			}
+		}
+
+		// Look for saved creationPaths if none is provided.
+		if (creationPaths == null) {
+			String[] savedSearchPath = settings.getArray( getRootSettingKey() + CREATIONPATHS_UID);
+			if(savedSearchPath != null)
+				creationPaths = savedSearchPath;
+			else
+				creationPaths = getDefaultCreationPath(preference);
+			}
+
+		// Look for saved creationPaths if none is provided.
+		if(creationPaths == null ) {
+			String[] savedSearchPath = settings.getArray( getRootSettingKey() + CREATIONPATHS_UID);
+			if(savedSearchPath != null)
+				creationPaths = savedSearchPath;
+			else
+				creationPaths = CreationPackageCatalog.getDefaultPackageCreationPatterns(" ; ");
+		}
+
+		listDialog = new InputListDialog(listMsg, searchPathsInitialValues);
+		listDialog.setTooltips(listTooltips);
+		creationPathsDialog = new InputListDialog(creationPathMsg, Arrays.asList(creationPaths));
+		creationPathsDialog.setTooltips(creationPathTooltips);
+	}
+
+	/**
+	 *
+	 * @return the root of the setting key
+	 */
+	private String getRootSettingKey() {
+		return MODEL_UID + projectName;
+	}
+
+	/**
+	 * 
+	 * @param preference
+	 *        the eclipse preferences
+	 * @return default values of SearchPath from eclipse preferences
+	 */
+	private List<String> getDefaultSearchPath(ReversePreference preference) {
+		String[] defaultSearchPath = preference.getSearchPath();
+		LinkedList<String> listSearchPath = new LinkedList<String>();
+		for(String path : defaultSearchPath) {
+			listSearchPath.add(path);
+		}
+		return listSearchPath;
+	}
+
+	/**
+	 * 
+	 * @param preference
+	 *        the eclipse preferences
+	 * @return default values of CreationPath from eclipse preferences
+	 */
+	private String[] getDefaultCreationPath(ReversePreference preference) {
+		String[] defaultCreationPath = preference.getCreationPath();
+		return defaultCreationPath;
+	}
+
+	/**
+	 * 
+	 * @param modelUid
+	 * @param projectName
+	 *        the name of the reversed project
+	 * @return initialValue contained into setting, or <code>projectName</code> if it doesn't exists
+	 */
+	private static String getInitialValue(String modelUid, String projectName) {
+		IDialogSettings settings = Activator.getDefault().getDialogSettings();
+
+		// Look for generationPackageName
+		String generationPackageName = settings.get(modelUid + projectName + PROJECTNAME_UID);
+		if(generationPackageName != null) {
+			return generationPackageName;
+
+		}
+		return projectName;
+	}
+
+	/**
+	 * Allows resizing.
+	 */
+	@Override
+	protected boolean isResizable() {
+		// TODO Auto-generated method stub
+		return true;
+	}
+
+	/**
+	 * Get the returned searchpaths.
+	 *
+	 * @return
+	 */
+	public String[] getSearchPath() {
+		return searchPath;
+	}
+
+	/**
+	 * Get the returned creationPaths, one pattern for each entry, separated by ';'.
+	 *
+	 * @return
+	 */
+	public List<String> getCreationPaths() {
+
+		return splittedCreationPaths;
+	}
+
+
+	/**
+	 * Create additional list of searchpaths.
+	 */
+	@Override
+	protected Control createDialogArea(Composite parent) {
+		// create composite
+		Composite composite = (Composite) super.createDialogArea(parent);
+
+		listDialog.createDialogArea(composite);
+		creationPathsDialog.createDialogArea(composite);
+		return composite;
+	}
+
+	/**
+	 * Save the searchpath after the button is pressed.
+	 */
+	@Override
+	protected void okPressed() {
+		// Save the list before the control is disposed
+		searchPath = listDialog.getList();
+		creationPaths = creationPathsDialog.getList();
+		String defaultCreationPath = getValue();
+		if(defaultCreationPath == null || defaultCreationPath.length() == 0)
+			defaultCreationPath = CreationPackageCatalog.getDefaultCreationPath();
+	
+
+		// Check inputs
+		try {
+			// Check paths
+			splittedCreationPaths = computeCreationPaths(creationPaths);
+			CreationPackageCatalog.validateCreationPath(splittedCreationPaths);
+			// add default searchPaths
+			searchPath = addDefaultSearchPaths(Arrays.asList(searchPath), splittedCreationPaths).toArray(new String[0]);
+
+		} catch (Exception e) {
+			// TODO Auto-generated catch block
+			showError(e.getMessage());
+			return;
+		}
+
+
+		// save values
+		IDialogSettings settings = Activator.getDefault().getDialogSettings();
+		settings.put(getRootSettingKey() + SEARCHPATHS_UID, searchPath);
+		settings.put(getRootSettingKey() + CREATIONPATHS_UID, creationPaths);
+		settings.put(getRootSettingKey() + PROJECTNAME_UID, getValue());
+
+
+		super.okPressed();
+	}
+
+
+	/**
+	 * Add the defaultSearchPath extracted from the splittedCreationPath to the searchPath.
+	 *
+	 * @param splittedCreationPaths2
+	 */
+	private List<String> addDefaultSearchPaths(List<String> searchPath, List<String> splittedCreationPaths) {
+
+
+		List<String> result = new ArrayList<String>(searchPath.size() + splittedCreationPaths.size());
+		result.addAll(searchPath);
+
+		List<String> additionalPaths = CreationPackageCatalog.extractCreationPaths(splittedCreationPaths.toArray(new String[0]));
+		for (String toAdd : additionalPaths) {
+			if (!result.contains(toAdd)) {
+				result.add(toAdd);
+			}
+		}
+
+		return result;
+	}
+
+	/**
+	 * Show an error message
+	 *
+	 * @param message
+	 */
+	private void showError(String message) {
+		System.err.println("Error: " + message);
+
+	}
+
+
+	/**
+	 * Compute and check the creationsPaths
+	 *
+	 * @param creationPaths
+	 *            An array with one creationPattern by element
+	 * @return An array with one path by elements
+	 * @throws Exception
+	 */
+	private List<String> computeCreationPaths(String[] creationPaths) throws Exception {
+
+		List<String> result = new ArrayList<String>();
+
+		// Iterate line by line
+		// For each line, separate the 3 patterns
+		// If a pattern is empty, put a null
+		for (String line : creationPaths) {
+			String[] eles = line.split(";");
+			if (eles.length != 3) {
+				throw new Exception("A line must contains 3 pattern separated by ';' :" + line);
+			}
+			for (String ele : eles)
+			{
+				ele = ele.trim();
+				if (ele.length() == 0) {
+					ele = null;
+				}
+				// add ele
+				result.add(ele);
+			}
+		}
+		return result;
+	}
+
+
+}
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/CreationPathListEditor.java b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/CreationPathListEditor.java
new file mode 100644
index 00000000000..979e042496d
--- /dev/null
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/CreationPathListEditor.java
@@ -0,0 +1,93 @@
+/*****************************************************************************
+ * Copyright (c) 2014 Jonathan Geoffroy
+ *
+ *
+ * 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:
+ * Jonathan Geoffroy	geoffroy.jonathan@gmail.com		initial implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.java.reverse.ui.preference;
+
+import org.eclipse.jface.dialogs.IInputValidator;
+import org.eclipse.jface.dialogs.InputDialog;
+import org.eclipse.jface.preference.ListEditor;
+import org.eclipse.swt.widgets.Composite;
+
+/**
+ * A ListEditor implementation. When user push "add" button, open a dialog box which can validate/invalidate the input value for Creation Path. <br>
+ * Used to add a Creation Path value into Eclipse preferences
+ * 
+ * @author Jonathan Geoffroy
+ *
+ */
+public class CreationPathListEditor extends ListEditor {
+
+	public static final String SPLIT_STRING = ":";
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param name
+	 * @param labelText
+	 * @param parent
+	 */
+	public CreationPathListEditor(String name, String labelText, Composite parent) {
+		super(name, labelText, parent);
+	}
+
+	@Override
+	protected String createList(String[] items) {
+		StringBuffer str = new StringBuffer();
+		for(String item : items)
+			str.append(item + SPLIT_STRING);
+		return str.toString();
+	}
+
+	@Override
+	protected String getNewInputObject() {
+		InputDialog dialog = new InputDialog(getShell(), "add creation path", "add creation path", "", new CreationPathValidator());
+		dialog.open();
+		
+		// If user clicked on "cancel" button, return null to NOT add empty value
+		if(dialog.getReturnCode() == InputDialog.CANCEL) {
+			return null;
+		}
+		return dialog.getValue();
+	}
+
+	@Override
+	protected String[] parseString(String stringList) {
+		return stringList.split(SPLIT_STRING);
+	}
+
+	/**
+	 * Validator for creation path value
+	 * 
+	 * @author Jonathan Geoffroy
+	 *
+	 */
+	private class CreationPathValidator implements IInputValidator {
+
+		@Override
+		/**
+		 * Validate the input value if it contains 3 parts, separated by ';' character
+		 * @see org.eclipse.jface.dialogs.IInputValidator#isValid(java.lang.String)
+		 *
+		 * @param newText
+		 * @return
+		 */
+		public String isValid(String newText) {
+			String[] splittedText = newText.split(";");
+			if(! (splittedText.length == 3 || (splittedText.length == 2 && newText.charAt(newText.length() - 1) == ';'))) {
+				return "pattern: includePath ; excludePath ; destination (use ';' as separator)";
+			}
+			return null;
+		}
+
+	}
+}
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/PreferenceConstants.java b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/PreferenceConstants.java
new file mode 100644
index 00000000000..7340837ae0b
--- /dev/null
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/PreferenceConstants.java
@@ -0,0 +1,29 @@
+/*****************************************************************************
+ * Copyright (c) 2014 Jonathan Geoffroy
+ *
+ *
+ * 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:
+ * Jonathan Geoffroy	geoffroy.jonathan@gmail.com		initial implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.java.reverse.ui.preference;
+
+/**
+ * Provide constant identifiers for reverse eclipse preferences.
+ * 
+ * @author Jonathan Geoffroy
+ *
+ */
+public class PreferenceConstants {
+
+	public static final String P_PREFERENCE_ID = "org.eclipse.papyrus.java.reverse.ui.preference.PreferencePage";
+
+	public static final String P_SEARCH_PATH = P_PREFERENCE_ID + "searchPath";
+
+	public static final String P_CREATION_PATH = P_PREFERENCE_ID + "creationPath";
+}
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/PreferenceInitializer.java b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/PreferenceInitializer.java
new file mode 100644
index 00000000000..5cd34e0399e
--- /dev/null
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/PreferenceInitializer.java
@@ -0,0 +1,39 @@
+/*****************************************************************************
+ * Copyright (c) 2014 Jonathan Geoffroy
+ *
+ *
+ * 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:
+ * Jonathan Geoffroy	geoffroy.jonathan@gmail.com		initial implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.java.reverse.ui.preference;
+
+import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.papyrus.java.reverse.ui.Activator;
+
+/**
+ * Initialize reverse eclipse preference by default values.
+ * 
+ * @author Jonathan Geoffroy
+ *
+ */
+public class PreferenceInitializer extends AbstractPreferenceInitializer {
+
+	public PreferenceInitializer() {
+		// TODO Auto-generated constructor stub
+	}
+
+	@Override
+	public void initializeDefaultPreferences() {
+		IPreferenceStore store = Activator.getDefault().getPreferenceStore();
+
+		store.setDefault(PreferenceConstants.P_SEARCH_PATH, "java;*;osgi.*;datatype");
+		store.setDefault(PreferenceConstants.P_CREATION_PATH, "java.* ; ; java" + CreationPathListEditor.SPLIT_STRING + "org.eclipse.papyrus.* ; ; *" + CreationPathListEditor.SPLIT_STRING + "org.eclipse.* ; org.eclipse.papyrus.* ; *" + CreationPathListEditor.SPLIT_STRING + " org.osgi.* ; ; osgi.*" + CreationPathListEditor.SPLIT_STRING + " datatype.* ; ; datatype");
+	}
+}
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/PreferencePage.java b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/PreferencePage.java
new file mode 100644
index 00000000000..6654b90445c
--- /dev/null
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/PreferencePage.java
@@ -0,0 +1,62 @@
+/*****************************************************************************
+ * Copyright (c) 2014 Jonathan Geoffroy
+ *
+ *
+ * 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:
+ * Jonathan Geoffroy	geoffroy.jonathan@gmail.com		initial implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.java.reverse.ui.preference;
+
+import org.eclipse.jface.preference.FieldEditorPreferencePage;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.papyrus.java.reverse.ui.Activator;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchPreferencePage;
+
+/**
+ * Define a new section into eclipse preferences. Create a page for reverse eclipse preferences.
+ * 
+ * @author Jonathan Geoffroy
+ *
+ */
+public class PreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {
+
+	public PreferencePage() {
+		super(GRID);
+	}
+
+	public PreferencePage(int style) {
+		super(style);
+	}
+
+	public PreferencePage(String title, int style) {
+		super(title, style);
+	}
+
+	public PreferencePage(String title, ImageDescriptor image, int style) {
+		super(title, image, style);
+	}
+
+	@Override
+	public void init(IWorkbench workbench) {
+		setPreferenceStore(Activator.getDefault().getPreferenceStore());
+		setDescription("Edit your preferences to reverse java project into papyrus model");
+	}
+
+	@Override
+	protected void createFieldEditors() {
+		// Search path field
+		addField(new SearchPathListEditor(PreferenceConstants.P_SEARCH_PATH, "default search path", getFieldEditorParent()));
+
+		// Creation path field
+		addField(new CreationPathListEditor(PreferenceConstants.P_CREATION_PATH, "default creation path", getFieldEditorParent()));
+
+	}
+
+}
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/ReversePreference.java b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/ReversePreference.java
new file mode 100644
index 00000000000..32faf62cd5e
--- /dev/null
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/ReversePreference.java
@@ -0,0 +1,50 @@
+/*****************************************************************************
+ * Copyright (c) 2014 Jonathan Geoffroy
+ *
+ *
+ * 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:
+ * Jonathan Geoffroy	geoffroy.jonathan@gmail.com		initial implementation
+ *
+ *****************************************************************************/
+
+package org.eclipse.papyrus.java.reverse.ui.preference;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.papyrus.java.reverse.ui.Activator;
+
+/**
+ * Provide reverse eclipse preferences values
+ * 
+ * @author Jonathan Geoffroy
+ *
+ */
+public class ReversePreference {
+
+	/**
+	 * allow to gather default value
+	 */
+	private IPreferenceStore store = Activator.getDefault().getPreferenceStore();
+
+	/**
+	 * 
+	 * @return an array containing each search path values
+	 */
+	public String[] getSearchPath() {
+		String searchPath = store.getString(PreferenceConstants.P_SEARCH_PATH);
+		return searchPath.split(";");
+	}
+
+	/**
+	 * 
+	 * @return an array containing each creation path values
+	 */
+	public String[] getCreationPath() {
+		String creationPath = store.getString(PreferenceConstants.P_CREATION_PATH);
+		return creationPath.split(CreationPathListEditor.SPLIT_STRING);
+	}
+}
diff --git a/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/SearchPathListEditor.java b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/SearchPathListEditor.java
new file mode 100644
index 00000000000..92d02d3a829
--- /dev/null
+++ b/extraplugins/qompass/codegen/java/org.eclipse.papyrus.java.reverse.ui/src/org/eclipse/papyrus/java/reverse/ui/preference/SearchPathListEditor.java
@@ -0,0 +1,85 @@
+/*****************************************************************************
+ * Copyright (c) 2014 Jonathan Geoffroy
+ *
+ *
+ * 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:
+ * Jonathan Geoffroy	geoffroy.jonathan@gmail.com		initial implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.java.reverse.ui.preference;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.eclipse.jdt.internal.ui.preferences.TypeFilterInputDialog;
+import org.eclipse.jface.dialogs.InputDialog;
+import org.eclipse.jface.preference.ListEditor;
+import org.eclipse.swt.widgets.Composite;
+
+/**
+ * A ListEditor implementation. When user push "add" button, open a dialog box which can validate/invalidate the input value for Search Path. <br>
+ * Used to add a Search Path value into Eclipse preferences
+ * 
+ * @author Jonathan Geoffroy
+ *
+ */
+public class SearchPathListEditor extends ListEditor {
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param name
+	 * @param labelText
+	 * @param parent
+	 */
+	public SearchPathListEditor(String name, String labelText, Composite parent) {
+		super(name, labelText, parent);
+	}
+
+	@SuppressWarnings("restriction")
+	@Override
+	/**
+	 * Functionality for New button.
+	 * Shows a browser dialog to select a file and returns that file.
+	 */
+	protected String getNewInputObject() {
+		//Dialog p = new JDialog();
+		List<String> l = new LinkedList<String>();
+
+
+		TypeFilterInputDialog dialog = new TypeFilterInputDialog(getShell(), l);
+		dialog.open();
+		// If user clicked on "cancel" button, return null to NOT add empty value
+		if(dialog.getReturnCode() == InputDialog.CANCEL) {
+			return null;
+		}
+		Object pack = dialog.getResult();
+
+		return pack.toString();
+	}
+
+	@Override
+	protected String createList(String[] items) {
+		StringBuffer str = new StringBuffer();
+		for(String item : items)
+			str.append(item + ";");
+		return str.toString();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * initialize list of items
+	 * 
+	 * @see org.eclipse.jface.preference.ListEditor#parseString(java.lang.String)
+	 */
+	@Override
+	protected String[] parseString(String stringList) {
+		return stringList.split(";");
+	}
+
+}