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[ifi-stolz-refaktor.git] / case-study / jdt-before / ui / org / eclipse / jdt / ui / actions / OpenViewActionGroup.java
diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/ui/actions/OpenViewActionGroup.java b/case-study/jdt-before/ui/org/eclipse/jdt/ui/actions/OpenViewActionGroup.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2011 IBM Corporation 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.ui.actions;
+
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+import org.eclipse.ui.IActionBars;
+import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.IWorkbenchCommandConstants;
+import org.eclipse.ui.IWorkbenchSite;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.actions.ActionFactory;
+import org.eclipse.ui.actions.ActionGroup;
+import org.eclipse.ui.actions.ContributionItemFactory;
+import org.eclipse.ui.dialogs.PropertyDialogAction;
+import org.eclipse.ui.keys.IBindingService;
+import org.eclipse.ui.part.Page;
+
+import org.eclipse.jdt.ui.IContextMenuConstants;
+
+import org.eclipse.jdt.internal.ui.actions.ActionMessages;
+import org.eclipse.jdt.internal.ui.callhierarchy.OpenCallHierarchyAction;
+import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
+
+/**
+ * Action group that adds actions to open a new JDT view part or an external
+ * viewer to a context menu and the global menu bar.
+ *
+ * <p>
+ * This class may be instantiated; it is not intended to be subclassed.
+ * </p>
+ *
+ * @since 2.0
+ *
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+public class OpenViewActionGroup extends ActionGroup {
+
+    private boolean fEditorIsOwner;
+       private boolean fIsTypeHiararchyViewerOwner;
+    private boolean fIsCallHiararchyViewerOwner;
+
+       private ISelectionProvider fSelectionProvider;
+
+       private OpenSuperImplementationAction fOpenSuperImplementation;
+       private OpenImplementationAction fOpenImplementation;
+
+       private OpenAttachedJavadocAction fOpenAttachedJavadoc;
+       private OpenTypeHierarchyAction fOpenTypeHierarchy;
+    private OpenCallHierarchyAction fOpenCallHierarchy;
+       private PropertyDialogAction fOpenPropertiesDialog;
+
+       private boolean fShowOpenPropertiesAction= true;
+       private boolean fShowShowInMenu= true;
+
+       /**
+        * Creates a new <code>OpenActionGroup</code>. The group requires
+        * that the selection provided by the page's selection provider is
+        * of type {@link IStructuredSelection}.
+        *
+        * @param page the page that owns this action group
+        */
+       public OpenViewActionGroup(Page page) {
+               createSiteActions(page.getSite(), null);
+       }
+
+       /**
+        * Creates a new <code>OpenActionGroup</code>. The group requires
+        * that the selection provided by the given selection provider is
+        * of type {@link IStructuredSelection}.
+        *
+        * @param page the page that owns this action group
+        * @param selectionProvider the selection provider used instead of the
+        *  page selection provider.
+        *
+        * @since 3.2
+        */
+       public OpenViewActionGroup(Page page, ISelectionProvider selectionProvider) {
+               createSiteActions(page.getSite(), selectionProvider);
+       }
+
+       /**
+        * Creates a new <code>OpenActionGroup</code>. The group requires
+        * that the selection provided by the part's selection provider is
+        * of type {@link IStructuredSelection}.
+        *
+        * @param part the view part that owns this action group
+        */
+       public OpenViewActionGroup(IViewPart part) {
+               this(part, null);
+       }
+
+       /**
+        * Creates a new <code>OpenActionGroup</code>. The group requires
+        * that the selection provided by the given selection provider is of type
+        * {@link IStructuredSelection}.
+        *
+        * @param part the view part that owns this action group
+        * @param selectionProvider the selection provider used instead of the
+        *  page selection provider.
+        *
+        * @since 3.2
+        */
+       public OpenViewActionGroup(IViewPart part, ISelectionProvider selectionProvider) {
+               createSiteActions(part.getSite(), selectionProvider);
+               // we do a name check here to avoid class loading.
+               String partName= part.getClass().getName();
+               fIsTypeHiararchyViewerOwner= "org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyViewPart".equals(partName); //$NON-NLS-1$
+               fIsCallHiararchyViewerOwner= "org.eclipse.jdt.internal.ui.callhierarchy.CallHierarchyViewPart".equals(partName); //$NON-NLS-1$
+       }
+
+       /**
+        * Creates a new <code>OpenActionGroup</code>. The group requires
+        * that the selection provided by the given selection provider is of type
+        * {@link IStructuredSelection}.
+        *
+        * @param site the site that will own the action group.
+        * @param selectionProvider the selection provider used instead of the
+        *  page selection provider.
+        *
+        * @since 3.2
+        */
+       public OpenViewActionGroup(IWorkbenchSite site, ISelectionProvider selectionProvider) {
+               createSiteActions(site, selectionProvider);
+       }
+
+       /**
+        * Note: This constructor is for internal use only. Clients should not call this constructor.
+        * @param part the editor part
+        *
+        * @noreference This constructor is not intended to be referenced by clients.
+        */
+       public OpenViewActionGroup(JavaEditor part) {
+               fEditorIsOwner= true;
+               fShowShowInMenu= false;
+               
+               fOpenImplementation= new OpenImplementationAction(part);
+               fOpenImplementation.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_IMPLEMENTATION);
+               part.setAction("OpenImplementation", fOpenImplementation); //$NON-NLS-1$
+
+               fOpenSuperImplementation= new OpenSuperImplementationAction(part);
+               fOpenSuperImplementation.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_SUPER_IMPLEMENTATION);
+               part.setAction("OpenSuperImplementation", fOpenSuperImplementation); //$NON-NLS-1$
+
+               fOpenAttachedJavadoc= new OpenAttachedJavadocAction(part);
+               fOpenAttachedJavadoc.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_ATTACHED_JAVADOC);
+               part.setAction("OpenAttachedJavadoc", fOpenAttachedJavadoc); //$NON-NLS-1$
+
+               fOpenTypeHierarchy= new OpenTypeHierarchyAction(part);
+               fOpenTypeHierarchy.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_TYPE_HIERARCHY);
+               part.setAction("OpenTypeHierarchy", fOpenTypeHierarchy); //$NON-NLS-1$
+
+               fOpenCallHierarchy= new OpenCallHierarchyAction(part);
+               fOpenCallHierarchy.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_CALL_HIERARCHY);
+               part.setAction("OpenCallHierarchy", fOpenCallHierarchy); //$NON-NLS-1$
+
+               initialize(part.getEditorSite().getSelectionProvider());
+       }
+
+       /**
+        * Specifies if this action group also contains the 'Properties' action ({@link PropertyDialogAction}).
+        * By default, the action is contained in the group.
+        *
+        * @param enable If set, the 'Properties' action is part of this action group
+        * @since 3.3
+        */
+       public void containsOpenPropertiesAction(boolean enable) {
+               fShowOpenPropertiesAction= enable;
+       }
+
+       /**
+        * Specifies if this action group also contains the 'Show In' menu (See {@link ContributionItemFactory#VIEWS_SHOW_IN}).
+        * By default, the action is  contained in the group except for editors.
+        *
+        * @param enable If set, the 'Show In' menu is part of this action group
+        * @since 3.3
+        */
+       public void containsShowInMenu(boolean enable) {
+               fShowShowInMenu= enable;
+       }
+
+       private void createSiteActions(IWorkbenchSite site, ISelectionProvider specialProvider) {
+               fOpenImplementation= new OpenImplementationAction(site);
+               fOpenImplementation.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_IMPLEMENTATION);
+               fOpenImplementation.setSpecialSelectionProvider(specialProvider);
+               
+               fOpenSuperImplementation= new OpenSuperImplementationAction(site);
+               fOpenSuperImplementation.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_SUPER_IMPLEMENTATION);
+               fOpenSuperImplementation.setSpecialSelectionProvider(specialProvider);
+
+               fOpenAttachedJavadoc= new OpenAttachedJavadocAction(site);
+               fOpenAttachedJavadoc.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_ATTACHED_JAVADOC);
+               fOpenAttachedJavadoc.setSpecialSelectionProvider(specialProvider);
+
+               fOpenTypeHierarchy= new OpenTypeHierarchyAction(site);
+               fOpenTypeHierarchy.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_TYPE_HIERARCHY);
+               fOpenTypeHierarchy.setSpecialSelectionProvider(specialProvider);
+
+               fOpenCallHierarchy= new OpenCallHierarchyAction(site);
+               fOpenCallHierarchy.setActionDefinitionId(IJavaEditorActionDefinitionIds.OPEN_CALL_HIERARCHY);
+               fOpenCallHierarchy.setSpecialSelectionProvider(specialProvider);
+
+               ISelectionProvider provider= specialProvider != null ? specialProvider : site.getSelectionProvider();
+
+               fOpenPropertiesDialog= new PropertyDialogAction(site, provider);
+               fOpenPropertiesDialog.setActionDefinitionId(IWorkbenchCommandConstants.FILE_PROPERTIES);
+
+               initialize(provider);
+       }
+
+       private void initialize(ISelectionProvider provider) {
+               fSelectionProvider= provider;
+               ISelection selection= provider.getSelection();
+               fOpenImplementation.update(selection);
+               fOpenSuperImplementation.update(selection);
+               fOpenAttachedJavadoc.update(selection);
+               fOpenTypeHierarchy.update(selection);
+               fOpenCallHierarchy.update(selection);
+               if (!fEditorIsOwner) {
+                       if (fShowOpenPropertiesAction) {
+                               if (selection instanceof IStructuredSelection) {
+                                       fOpenPropertiesDialog.selectionChanged((IStructuredSelection) selection);
+                               } else {
+                                       fOpenPropertiesDialog.selectionChanged(selection);
+                               }
+                       }
+                       provider.addSelectionChangedListener(fOpenImplementation);
+                       provider.addSelectionChangedListener(fOpenSuperImplementation);
+                       provider.addSelectionChangedListener(fOpenAttachedJavadoc);
+                       provider.addSelectionChangedListener(fOpenTypeHierarchy);
+                       provider.addSelectionChangedListener(fOpenCallHierarchy);
+                       // no need to register the open properties dialog action since it registers itself
+               }
+       }
+
+       /* (non-Javadoc)
+        * Method declared in ActionGroup
+        */
+       @Override
+       public void fillActionBars(IActionBars actionBar) {
+               super.fillActionBars(actionBar);
+               setGlobalActionHandlers(actionBar);
+       }
+
+       /* (non-Javadoc)
+        * Method declared in ActionGroup
+        */
+       @Override
+       public void fillContextMenu(IMenuManager menu) {
+               super.fillContextMenu(menu);
+               if (!fIsTypeHiararchyViewerOwner)
+                       appendToGroup(menu, fOpenTypeHierarchy);
+        if (!fIsCallHiararchyViewerOwner)
+            appendToGroup(menu, fOpenCallHierarchy);
+
+        if (fShowShowInMenu) {
+                       MenuManager showInSubMenu= new MenuManager(getShowInMenuLabel());
+                       IWorkbenchWindow workbenchWindow= fOpenSuperImplementation.getSite().getWorkbenchWindow();
+                       showInSubMenu.add(ContributionItemFactory.VIEWS_SHOW_IN.create(workbenchWindow));
+                       menu.appendToGroup(IContextMenuConstants.GROUP_OPEN, showInSubMenu);
+        }
+
+               IStructuredSelection selection= getStructuredSelection();
+               if (fShowOpenPropertiesAction && selection != null && fOpenPropertiesDialog.isApplicableForSelection())
+                       menu.appendToGroup(IContextMenuConstants.GROUP_PROPERTIES, fOpenPropertiesDialog);
+       }
+
+       private String getShowInMenuLabel() {
+               String keyBinding= null;
+
+               IBindingService bindingService= (IBindingService) PlatformUI.getWorkbench().getAdapter(IBindingService.class);
+               if (bindingService != null)
+                       keyBinding= bindingService.getBestActiveBindingFormattedFor(IWorkbenchCommandConstants.NAVIGATE_SHOW_IN_QUICK_MENU);
+
+               if (keyBinding == null)
+                       keyBinding= ""; //$NON-NLS-1$
+
+               return ActionMessages.OpenViewActionGroup_showInAction_label + '\t' + keyBinding;
+       }
+
+       /*
+        * @see ActionGroup#dispose()
+        */
+       @Override
+       public void dispose() {
+               fSelectionProvider.removeSelectionChangedListener(fOpenImplementation);
+               fSelectionProvider.removeSelectionChangedListener(fOpenSuperImplementation);
+               fSelectionProvider.removeSelectionChangedListener(fOpenAttachedJavadoc);
+               fSelectionProvider.removeSelectionChangedListener(fOpenTypeHierarchy);
+               fSelectionProvider.removeSelectionChangedListener(fOpenCallHierarchy);
+               super.dispose();
+       }
+
+       private void setGlobalActionHandlers(IActionBars actionBars) {
+               actionBars.setGlobalActionHandler(JdtActionConstants.OPEN_IMPLEMENTATION, fOpenImplementation);
+               actionBars.setGlobalActionHandler(JdtActionConstants.OPEN_SUPER_IMPLEMENTATION, fOpenSuperImplementation);
+               actionBars.setGlobalActionHandler(JdtActionConstants.OPEN_ATTACHED_JAVA_DOC, fOpenAttachedJavadoc);
+               actionBars.setGlobalActionHandler(JdtActionConstants.OPEN_TYPE_HIERARCHY, fOpenTypeHierarchy);
+               actionBars.setGlobalActionHandler(JdtActionConstants.OPEN_CALL_HIERARCHY, fOpenCallHierarchy);
+
+               if (!fEditorIsOwner && fShowOpenPropertiesAction)
+                       actionBars.setGlobalActionHandler(ActionFactory.PROPERTIES.getId(), fOpenPropertiesDialog);
+       }
+
+       private void appendToGroup(IMenuManager menu, IAction action) {
+               if (action.isEnabled())
+                       menu.appendToGroup(IContextMenuConstants.GROUP_OPEN, action);
+       }
+
+       private IStructuredSelection getStructuredSelection() {
+               ISelection selection= getContext().getSelection();
+               if (selection instanceof IStructuredSelection)
+                       return (IStructuredSelection)selection;
+               return null;
+       }
+
+
+
+
+}