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Diffstat (limited to 'plugins/org.eclipse.emf.cdo.dawn.examples.acore.editor/src/org/eclipse/emf/cdo/dawn/examples/acore/presentation/AcoreActionBarContributor.java')
-rw-r--r--plugins/org.eclipse.emf.cdo.dawn.examples.acore.editor/src/org/eclipse/emf/cdo/dawn/examples/acore/presentation/AcoreActionBarContributor.java918
1 files changed, 459 insertions, 459 deletions
diff --git a/plugins/org.eclipse.emf.cdo.dawn.examples.acore.editor/src/org/eclipse/emf/cdo/dawn/examples/acore/presentation/AcoreActionBarContributor.java b/plugins/org.eclipse.emf.cdo.dawn.examples.acore.editor/src/org/eclipse/emf/cdo/dawn/examples/acore/presentation/AcoreActionBarContributor.java
index c525ad9e4b..42d4b2a0a1 100644
--- a/plugins/org.eclipse.emf.cdo.dawn.examples.acore.editor/src/org/eclipse/emf/cdo/dawn/examples/acore/presentation/AcoreActionBarContributor.java
+++ b/plugins/org.eclipse.emf.cdo.dawn.examples.acore.editor/src/org/eclipse/emf/cdo/dawn/examples/acore/presentation/AcoreActionBarContributor.java
@@ -1,459 +1,459 @@
-/*
- * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
- * 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:
- * Martin Fluegge - initial API and implementation
- *
- */
-package org.eclipse.emf.cdo.dawn.examples.acore.presentation;
-
-import org.eclipse.emf.common.ui.viewer.IViewerProvider;
-import org.eclipse.emf.edit.domain.EditingDomain;
-import org.eclipse.emf.edit.domain.IEditingDomainProvider;
-import org.eclipse.emf.edit.ui.action.ControlAction;
-import org.eclipse.emf.edit.ui.action.CreateChildAction;
-import org.eclipse.emf.edit.ui.action.CreateSiblingAction;
-import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
-import org.eclipse.emf.edit.ui.action.LoadResourceAction;
-import org.eclipse.emf.edit.ui.action.ValidateAction;
-
-import org.eclipse.jface.action.Action;
-import org.eclipse.jface.action.ActionContributionItem;
-import org.eclipse.jface.action.IAction;
-import org.eclipse.jface.action.IContributionItem;
-import org.eclipse.jface.action.IContributionManager;
-import org.eclipse.jface.action.IMenuListener;
-import org.eclipse.jface.action.IMenuManager;
-import org.eclipse.jface.action.IToolBarManager;
-import org.eclipse.jface.action.MenuManager;
-import org.eclipse.jface.action.Separator;
-import org.eclipse.jface.action.SubContributionItem;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.ISelectionChangedListener;
-import org.eclipse.jface.viewers.ISelectionProvider;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.jface.viewers.SelectionChangedEvent;
-import org.eclipse.jface.viewers.Viewer;
-import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.PartInitException;
-
-import java.util.ArrayList;
-import java.util.Collection;
-
-/**
- * This is the action bar contributor for the Acore model editor. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
-public class AcoreActionBarContributor extends EditingDomainActionBarContributor implements ISelectionChangedListener
-{
- /**
- * This keeps track of the active editor. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected IEditorPart activeEditorPart;
-
- /**
- * This keeps track of the current selection provider. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected ISelectionProvider selectionProvider;
-
- /**
- * This action opens the Properties view. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected IAction showPropertiesViewAction = new Action(
- AcoreEditorPlugin.INSTANCE.getString("_UI_ShowPropertiesView_menu_item"))
- {
- @Override
- public void run()
- {
- try
- {
- getPage().showView("org.eclipse.ui.views.PropertySheet");
- }
- catch (PartInitException exception)
- {
- AcoreEditorPlugin.INSTANCE.log(exception);
- }
- }
- };
-
- /**
- * This action refreshes the viewer of the current editor if the editor implements
- * {@link org.eclipse.emf.common.ui.viewer.IViewerProvider}. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected IAction refreshViewerAction = new Action(
- AcoreEditorPlugin.INSTANCE.getString("_UI_RefreshViewer_menu_item"))
- {
- @Override
- public boolean isEnabled()
- {
- return activeEditorPart instanceof IViewerProvider;
- }
-
- @Override
- public void run()
- {
- if (activeEditorPart instanceof IViewerProvider)
- {
- Viewer viewer = ((IViewerProvider)activeEditorPart).getViewer();
- if (viewer != null)
- {
- viewer.refresh();
- }
- }
- }
- };
-
- /**
- * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateChildAction} corresponding to each descriptor
- * generated for the current selection by the item provider. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected Collection<IAction> createChildActions;
-
- /**
- * This is the menu manager into which menu contribution items should be added for CreateChild actions. <!--
- * begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected IMenuManager createChildMenuManager;
-
- /**
- * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} corresponding to each descriptor
- * generated for the current selection by the item provider. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected Collection<IAction> createSiblingActions;
-
- /**
- * This is the menu manager into which menu contribution items should be added for CreateSibling actions. <!--
- * begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected IMenuManager createSiblingMenuManager;
-
- /**
- * This creates an instance of the contributor. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- public AcoreActionBarContributor()
- {
- super(ADDITIONS_LAST_STYLE);
- loadResourceAction = new LoadResourceAction();
- validateAction = new ValidateAction();
- controlAction = new ControlAction();
- }
-
- /**
- * This adds Separators for editor additions to the tool bar. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- @Override
- public void contributeToToolBar(IToolBarManager toolBarManager)
- {
- toolBarManager.add(new Separator("acore-settings"));
- toolBarManager.add(new Separator("acore-additions"));
- }
-
- /**
- * This adds to the menu bar a menu and some separators for editor additions, as well as the sub-menus for object
- * creation items. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- @Override
- public void contributeToMenu(IMenuManager menuManager)
- {
- super.contributeToMenu(menuManager);
-
- IMenuManager submenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_AcoreEditor_menu"),
- "org.eclipse.emf.cdo.dawn.examples.acoreMenuID");
- menuManager.insertAfter("additions", submenuManager);
- submenuManager.add(new Separator("settings"));
- submenuManager.add(new Separator("actions"));
- submenuManager.add(new Separator("additions"));
- submenuManager.add(new Separator("additions-end"));
-
- // Prepare for CreateChild item addition or removal.
- //
- createChildMenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
- submenuManager.insertBefore("additions", createChildMenuManager);
-
- // Prepare for CreateSibling item addition or removal.
- //
- createSiblingMenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
- submenuManager.insertBefore("additions", createSiblingMenuManager);
-
- // Force an update because Eclipse hides empty menus now.
- //
- submenuManager.addMenuListener(new IMenuListener()
- {
- public void menuAboutToShow(IMenuManager menuManager)
- {
- menuManager.updateAll(true);
- }
- });
-
- addGlobalActions(submenuManager);
- }
-
- /**
- * When the active editor changes, this remembers the change and registers with it as a selection provider. <!--
- * begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- @Override
- public void setActiveEditor(IEditorPart part)
- {
- super.setActiveEditor(part);
- activeEditorPart = part;
-
- // Switch to the new selection provider.
- //
- if (selectionProvider != null)
- {
- selectionProvider.removeSelectionChangedListener(this);
- }
- if (part == null)
- {
- selectionProvider = null;
- }
- else
- {
- selectionProvider = part.getSite().getSelectionProvider();
- selectionProvider.addSelectionChangedListener(this);
-
- // Fake a selection changed event to update the menus.
- //
- if (selectionProvider.getSelection() != null)
- {
- selectionChanged(new SelectionChangedEvent(selectionProvider, selectionProvider.getSelection()));
- }
- }
- }
-
- /**
- * This implements {@link org.eclipse.jface.viewers.ISelectionChangedListener}, handling
- * {@link org.eclipse.jface.viewers.SelectionChangedEvent}s by querying for the children and siblings that can be
- * added to the selected object and updating the menus accordingly. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- public void selectionChanged(SelectionChangedEvent event)
- {
- // Remove any menu items for old selection.
- //
- if (createChildMenuManager != null)
- {
- depopulateManager(createChildMenuManager, createChildActions);
- }
- if (createSiblingMenuManager != null)
- {
- depopulateManager(createSiblingMenuManager, createSiblingActions);
- }
-
- // Query the new selection for appropriate new child/sibling descriptors
- //
- Collection<?> newChildDescriptors = null;
- Collection<?> newSiblingDescriptors = null;
-
- ISelection selection = event.getSelection();
- if (selection instanceof IStructuredSelection && ((IStructuredSelection)selection).size() == 1)
- {
- Object object = ((IStructuredSelection)selection).getFirstElement();
-
- EditingDomain domain = ((IEditingDomainProvider)activeEditorPart).getEditingDomain();
-
- newChildDescriptors = domain.getNewChildDescriptors(object, null);
- newSiblingDescriptors = domain.getNewChildDescriptors(null, object);
- }
-
- // Generate actions for selection; populate and redraw the menus.
- //
- createChildActions = generateCreateChildActions(newChildDescriptors, selection);
- createSiblingActions = generateCreateSiblingActions(newSiblingDescriptors, selection);
-
- if (createChildMenuManager != null)
- {
- populateManager(createChildMenuManager, createChildActions, null);
- createChildMenuManager.update(true);
- }
- if (createSiblingMenuManager != null)
- {
- populateManager(createSiblingMenuManager, createSiblingActions, null);
- createSiblingMenuManager.update(true);
- }
- }
-
- /**
- * This generates a {@link org.eclipse.emf.edit.ui.action.CreateChildAction} for each object in
- * <code>descriptors</code>, and returns the collection of these actions. <!-- begin-user-doc --> <!-- end-user-doc
- * -->
- *
- * @generated
- */
- protected Collection<IAction> generateCreateChildActions(Collection<?> descriptors, ISelection selection)
- {
- Collection<IAction> actions = new ArrayList<IAction>();
- if (descriptors != null)
- {
- for (Object descriptor : descriptors)
- {
- actions.add(new CreateChildAction(activeEditorPart, selection, descriptor));
- }
- }
- return actions;
- }
-
- /**
- * This generates a {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} for each object in
- * <code>descriptors</code>, and returns the collection of these actions. <!-- begin-user-doc --> <!-- end-user-doc
- * -->
- *
- * @generated
- */
- protected Collection<IAction> generateCreateSiblingActions(Collection<?> descriptors, ISelection selection)
- {
- Collection<IAction> actions = new ArrayList<IAction>();
- if (descriptors != null)
- {
- for (Object descriptor : descriptors)
- {
- actions.add(new CreateSiblingAction(activeEditorPart, selection, descriptor));
- }
- }
- return actions;
- }
-
- /**
- * This populates the specified <code>manager</code> with {@link org.eclipse.jface.action.ActionContributionItem}s
- * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection, by
- * inserting them before the specified contribution item <code>contributionID</code>. If <code>contributionID</code>
- * is <code>null</code>, they are simply added. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected void populateManager(IContributionManager manager, Collection<? extends IAction> actions,
- String contributionID)
- {
- if (actions != null)
- {
- for (IAction action : actions)
- {
- if (contributionID != null)
- {
- manager.insertBefore(contributionID, action);
- }
- else
- {
- manager.add(action);
- }
- }
- }
- }
-
- /**
- * This removes from the specified <code>manager</code> all {@link org.eclipse.jface.action.ActionContributionItem}s
- * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection. <!--
- * begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- protected void depopulateManager(IContributionManager manager, Collection<? extends IAction> actions)
- {
- if (actions != null)
- {
- IContributionItem[] items = manager.getItems();
- for (int i = 0; i < items.length; i++)
- {
- // Look into SubContributionItems
- //
- IContributionItem contributionItem = items[i];
- while (contributionItem instanceof SubContributionItem)
- {
- contributionItem = ((SubContributionItem)contributionItem).getInnerItem();
- }
-
- // Delete the ActionContributionItems with matching action.
- //
- if (contributionItem instanceof ActionContributionItem)
- {
- IAction action = ((ActionContributionItem)contributionItem).getAction();
- if (actions.contains(action))
- {
- manager.remove(contributionItem);
- }
- }
- }
- }
- }
-
- /**
- * This populates the pop-up menu before it appears. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- @Override
- public void menuAboutToShow(IMenuManager menuManager)
- {
- super.menuAboutToShow(menuManager);
- MenuManager submenuManager = null;
-
- submenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
- populateManager(submenuManager, createChildActions, null);
- menuManager.insertBefore("edit", submenuManager);
-
- submenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
- populateManager(submenuManager, createSiblingActions, null);
- menuManager.insertBefore("edit", submenuManager);
- }
-
- /**
- * This inserts global actions before the "additions-end" separator. <!-- begin-user-doc --> <!-- end-user-doc -->
- *
- * @generated
- */
- @Override
- protected void addGlobalActions(IMenuManager menuManager)
- {
- menuManager.insertAfter("additions-end", new Separator("ui-actions"));
- menuManager.insertAfter("ui-actions", showPropertiesViewAction);
-
- refreshViewerAction.setEnabled(refreshViewerAction.isEnabled());
- menuManager.insertAfter("ui-actions", refreshViewerAction);
-
- super.addGlobalActions(menuManager);
- }
-
- /**
- * This ensures that a delete action will clean up all references to deleted objects. <!-- begin-user-doc --> <!--
- * end-user-doc -->
- *
- * @generated
- */
- @Override
- protected boolean removeAllReferencesOnDelete()
- {
- return true;
- }
-
-}
+/*
+ * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
+ * 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:
+ * Martin Fluegge - initial API and implementation
+ *
+ */
+package org.eclipse.emf.cdo.dawn.examples.acore.presentation;
+
+import org.eclipse.emf.common.ui.viewer.IViewerProvider;
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.emf.edit.domain.IEditingDomainProvider;
+import org.eclipse.emf.edit.ui.action.ControlAction;
+import org.eclipse.emf.edit.ui.action.CreateChildAction;
+import org.eclipse.emf.edit.ui.action.CreateSiblingAction;
+import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
+import org.eclipse.emf.edit.ui.action.LoadResourceAction;
+import org.eclipse.emf.edit.ui.action.ValidateAction;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.ActionContributionItem;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.action.IContributionItem;
+import org.eclipse.jface.action.IContributionManager;
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.action.SubContributionItem;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.PartInitException;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+/**
+ * This is the action bar contributor for the Acore model editor. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class AcoreActionBarContributor extends EditingDomainActionBarContributor implements ISelectionChangedListener
+{
+ /**
+ * This keeps track of the active editor. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected IEditorPart activeEditorPart;
+
+ /**
+ * This keeps track of the current selection provider. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected ISelectionProvider selectionProvider;
+
+ /**
+ * This action opens the Properties view. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected IAction showPropertiesViewAction = new Action(
+ AcoreEditorPlugin.INSTANCE.getString("_UI_ShowPropertiesView_menu_item"))
+ {
+ @Override
+ public void run()
+ {
+ try
+ {
+ getPage().showView("org.eclipse.ui.views.PropertySheet");
+ }
+ catch (PartInitException exception)
+ {
+ AcoreEditorPlugin.INSTANCE.log(exception);
+ }
+ }
+ };
+
+ /**
+ * This action refreshes the viewer of the current editor if the editor implements
+ * {@link org.eclipse.emf.common.ui.viewer.IViewerProvider}. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected IAction refreshViewerAction = new Action(
+ AcoreEditorPlugin.INSTANCE.getString("_UI_RefreshViewer_menu_item"))
+ {
+ @Override
+ public boolean isEnabled()
+ {
+ return activeEditorPart instanceof IViewerProvider;
+ }
+
+ @Override
+ public void run()
+ {
+ if (activeEditorPart instanceof IViewerProvider)
+ {
+ Viewer viewer = ((IViewerProvider)activeEditorPart).getViewer();
+ if (viewer != null)
+ {
+ viewer.refresh();
+ }
+ }
+ }
+ };
+
+ /**
+ * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateChildAction} corresponding to each descriptor
+ * generated for the current selection by the item provider. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected Collection<IAction> createChildActions;
+
+ /**
+ * This is the menu manager into which menu contribution items should be added for CreateChild actions. <!--
+ * begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected IMenuManager createChildMenuManager;
+
+ /**
+ * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} corresponding to each descriptor
+ * generated for the current selection by the item provider. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected Collection<IAction> createSiblingActions;
+
+ /**
+ * This is the menu manager into which menu contribution items should be added for CreateSibling actions. <!--
+ * begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected IMenuManager createSiblingMenuManager;
+
+ /**
+ * This creates an instance of the contributor. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ public AcoreActionBarContributor()
+ {
+ super(ADDITIONS_LAST_STYLE);
+ loadResourceAction = new LoadResourceAction();
+ validateAction = new ValidateAction();
+ controlAction = new ControlAction();
+ }
+
+ /**
+ * This adds Separators for editor additions to the tool bar. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ @Override
+ public void contributeToToolBar(IToolBarManager toolBarManager)
+ {
+ toolBarManager.add(new Separator("acore-settings"));
+ toolBarManager.add(new Separator("acore-additions"));
+ }
+
+ /**
+ * This adds to the menu bar a menu and some separators for editor additions, as well as the sub-menus for object
+ * creation items. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ @Override
+ public void contributeToMenu(IMenuManager menuManager)
+ {
+ super.contributeToMenu(menuManager);
+
+ IMenuManager submenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_AcoreEditor_menu"),
+ "org.eclipse.emf.cdo.dawn.examples.acoreMenuID");
+ menuManager.insertAfter("additions", submenuManager);
+ submenuManager.add(new Separator("settings"));
+ submenuManager.add(new Separator("actions"));
+ submenuManager.add(new Separator("additions"));
+ submenuManager.add(new Separator("additions-end"));
+
+ // Prepare for CreateChild item addition or removal.
+ //
+ createChildMenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+ submenuManager.insertBefore("additions", createChildMenuManager);
+
+ // Prepare for CreateSibling item addition or removal.
+ //
+ createSiblingMenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+ submenuManager.insertBefore("additions", createSiblingMenuManager);
+
+ // Force an update because Eclipse hides empty menus now.
+ //
+ submenuManager.addMenuListener(new IMenuListener()
+ {
+ public void menuAboutToShow(IMenuManager menuManager)
+ {
+ menuManager.updateAll(true);
+ }
+ });
+
+ addGlobalActions(submenuManager);
+ }
+
+ /**
+ * When the active editor changes, this remembers the change and registers with it as a selection provider. <!--
+ * begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ @Override
+ public void setActiveEditor(IEditorPart part)
+ {
+ super.setActiveEditor(part);
+ activeEditorPart = part;
+
+ // Switch to the new selection provider.
+ //
+ if (selectionProvider != null)
+ {
+ selectionProvider.removeSelectionChangedListener(this);
+ }
+ if (part == null)
+ {
+ selectionProvider = null;
+ }
+ else
+ {
+ selectionProvider = part.getSite().getSelectionProvider();
+ selectionProvider.addSelectionChangedListener(this);
+
+ // Fake a selection changed event to update the menus.
+ //
+ if (selectionProvider.getSelection() != null)
+ {
+ selectionChanged(new SelectionChangedEvent(selectionProvider, selectionProvider.getSelection()));
+ }
+ }
+ }
+
+ /**
+ * This implements {@link org.eclipse.jface.viewers.ISelectionChangedListener}, handling
+ * {@link org.eclipse.jface.viewers.SelectionChangedEvent}s by querying for the children and siblings that can be
+ * added to the selected object and updating the menus accordingly. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ public void selectionChanged(SelectionChangedEvent event)
+ {
+ // Remove any menu items for old selection.
+ //
+ if (createChildMenuManager != null)
+ {
+ depopulateManager(createChildMenuManager, createChildActions);
+ }
+ if (createSiblingMenuManager != null)
+ {
+ depopulateManager(createSiblingMenuManager, createSiblingActions);
+ }
+
+ // Query the new selection for appropriate new child/sibling descriptors
+ //
+ Collection<?> newChildDescriptors = null;
+ Collection<?> newSiblingDescriptors = null;
+
+ ISelection selection = event.getSelection();
+ if (selection instanceof IStructuredSelection && ((IStructuredSelection)selection).size() == 1)
+ {
+ Object object = ((IStructuredSelection)selection).getFirstElement();
+
+ EditingDomain domain = ((IEditingDomainProvider)activeEditorPart).getEditingDomain();
+
+ newChildDescriptors = domain.getNewChildDescriptors(object, null);
+ newSiblingDescriptors = domain.getNewChildDescriptors(null, object);
+ }
+
+ // Generate actions for selection; populate and redraw the menus.
+ //
+ createChildActions = generateCreateChildActions(newChildDescriptors, selection);
+ createSiblingActions = generateCreateSiblingActions(newSiblingDescriptors, selection);
+
+ if (createChildMenuManager != null)
+ {
+ populateManager(createChildMenuManager, createChildActions, null);
+ createChildMenuManager.update(true);
+ }
+ if (createSiblingMenuManager != null)
+ {
+ populateManager(createSiblingMenuManager, createSiblingActions, null);
+ createSiblingMenuManager.update(true);
+ }
+ }
+
+ /**
+ * This generates a {@link org.eclipse.emf.edit.ui.action.CreateChildAction} for each object in
+ * <code>descriptors</code>, and returns the collection of these actions. <!-- begin-user-doc --> <!-- end-user-doc
+ * -->
+ *
+ * @generated
+ */
+ protected Collection<IAction> generateCreateChildActions(Collection<?> descriptors, ISelection selection)
+ {
+ Collection<IAction> actions = new ArrayList<IAction>();
+ if (descriptors != null)
+ {
+ for (Object descriptor : descriptors)
+ {
+ actions.add(new CreateChildAction(activeEditorPart, selection, descriptor));
+ }
+ }
+ return actions;
+ }
+
+ /**
+ * This generates a {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} for each object in
+ * <code>descriptors</code>, and returns the collection of these actions. <!-- begin-user-doc --> <!-- end-user-doc
+ * -->
+ *
+ * @generated
+ */
+ protected Collection<IAction> generateCreateSiblingActions(Collection<?> descriptors, ISelection selection)
+ {
+ Collection<IAction> actions = new ArrayList<IAction>();
+ if (descriptors != null)
+ {
+ for (Object descriptor : descriptors)
+ {
+ actions.add(new CreateSiblingAction(activeEditorPart, selection, descriptor));
+ }
+ }
+ return actions;
+ }
+
+ /**
+ * This populates the specified <code>manager</code> with {@link org.eclipse.jface.action.ActionContributionItem}s
+ * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection, by
+ * inserting them before the specified contribution item <code>contributionID</code>. If <code>contributionID</code>
+ * is <code>null</code>, they are simply added. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected void populateManager(IContributionManager manager, Collection<? extends IAction> actions,
+ String contributionID)
+ {
+ if (actions != null)
+ {
+ for (IAction action : actions)
+ {
+ if (contributionID != null)
+ {
+ manager.insertBefore(contributionID, action);
+ }
+ else
+ {
+ manager.add(action);
+ }
+ }
+ }
+ }
+
+ /**
+ * This removes from the specified <code>manager</code> all {@link org.eclipse.jface.action.ActionContributionItem}s
+ * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection. <!--
+ * begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ protected void depopulateManager(IContributionManager manager, Collection<? extends IAction> actions)
+ {
+ if (actions != null)
+ {
+ IContributionItem[] items = manager.getItems();
+ for (int i = 0; i < items.length; i++)
+ {
+ // Look into SubContributionItems
+ //
+ IContributionItem contributionItem = items[i];
+ while (contributionItem instanceof SubContributionItem)
+ {
+ contributionItem = ((SubContributionItem)contributionItem).getInnerItem();
+ }
+
+ // Delete the ActionContributionItems with matching action.
+ //
+ if (contributionItem instanceof ActionContributionItem)
+ {
+ IAction action = ((ActionContributionItem)contributionItem).getAction();
+ if (actions.contains(action))
+ {
+ manager.remove(contributionItem);
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * This populates the pop-up menu before it appears. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ @Override
+ public void menuAboutToShow(IMenuManager menuManager)
+ {
+ super.menuAboutToShow(menuManager);
+ MenuManager submenuManager = null;
+
+ submenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+ populateManager(submenuManager, createChildActions, null);
+ menuManager.insertBefore("edit", submenuManager);
+
+ submenuManager = new MenuManager(AcoreEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+ populateManager(submenuManager, createSiblingActions, null);
+ menuManager.insertBefore("edit", submenuManager);
+ }
+
+ /**
+ * This inserts global actions before the "additions-end" separator. <!-- begin-user-doc --> <!-- end-user-doc -->
+ *
+ * @generated
+ */
+ @Override
+ protected void addGlobalActions(IMenuManager menuManager)
+ {
+ menuManager.insertAfter("additions-end", new Separator("ui-actions"));
+ menuManager.insertAfter("ui-actions", showPropertiesViewAction);
+
+ refreshViewerAction.setEnabled(refreshViewerAction.isEnabled());
+ menuManager.insertAfter("ui-actions", refreshViewerAction);
+
+ super.addGlobalActions(menuManager);
+ }
+
+ /**
+ * This ensures that a delete action will clean up all references to deleted objects. <!-- begin-user-doc --> <!--
+ * end-user-doc -->
+ *
+ * @generated
+ */
+ @Override
+ protected boolean removeAllReferencesOnDelete()
+ {
+ return true;
+ }
+
+}

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