| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.internal.ui.navigator; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| |
| import org.eclipse.ui.IActionBars; |
| import org.eclipse.ui.IWorkbenchActionConstants; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.navigator.IExtensionStateModel; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| import org.eclipse.jdt.internal.ui.actions.MultiActionGroup; |
| import org.eclipse.jdt.internal.ui.navigator.IExtensionStateConstants.Values; |
| import org.eclipse.jdt.internal.ui.packageview.PackagesMessages; |
| |
| /** |
| * Adds view menus to switch between flat and hierarchical layout. |
| * |
| * @since 3.2 |
| */ |
| public class CommonLayoutActionGroup extends MultiActionGroup { |
| |
| private IExtensionStateModel fStateModel; |
| private StructuredViewer fStructuredViewer; |
| |
| private boolean fHasContributedToViewMenu = false; |
| private IAction fHierarchicalLayout = null; |
| private IAction fFlatLayoutAction = null; |
| private IAction[] actions; |
| |
| private class CommonLayoutAction extends Action implements IAction { |
| |
| private final boolean fIsFlatLayout; |
| |
| public CommonLayoutAction(boolean flat) { |
| super("", AS_RADIO_BUTTON); //$NON-NLS-1$ |
| fIsFlatLayout= flat; |
| if (fIsFlatLayout) |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.LAYOUT_FLAT_ACTION); |
| else |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.LAYOUT_HIERARCHICAL_ACTION); |
| } |
| |
| /* |
| * @see org.eclipse.jface.action.IAction#run() |
| */ |
| public void run() { |
| if (fStateModel.getBooleanProperty(Values.IS_LAYOUT_FLAT) != fIsFlatLayout) { |
| fStateModel.setBooleanProperty(Values.IS_LAYOUT_FLAT, fIsFlatLayout); |
| |
| fStructuredViewer.getControl().setRedraw(false); |
| try { |
| fStructuredViewer.refresh(); |
| } finally { |
| fStructuredViewer.getControl().setRedraw(true); |
| } |
| } |
| } |
| } |
| |
| |
| public CommonLayoutActionGroup(StructuredViewer structuredViewer, IExtensionStateModel stateModel) { |
| super(); |
| fStateModel = stateModel; |
| fStructuredViewer = structuredViewer; |
| } |
| |
| /* (non-Javadoc) |
| * @see ActionGroup#fillActionBars(IActionBars) |
| */ |
| public void fillActionBars(IActionBars actionBars) { |
| super.fillActionBars(actionBars); |
| if(!fHasContributedToViewMenu) { |
| synchronized(this) { |
| if(!fHasContributedToViewMenu) { |
| fHasContributedToViewMenu = true; |
| contributeToViewMenu(actionBars.getMenuManager()); |
| } |
| } |
| } |
| } |
| |
| private void contributeToViewMenu(IMenuManager viewMenu) { |
| viewMenu.add(new Separator()); |
| |
| // Create layout sub menu |
| |
| IMenuManager layoutSubMenu= new MenuManager(PackagesMessages.LayoutActionGroup_label); |
| final String layoutGroupName= "layout"; //$NON-NLS-1$ |
| Separator marker= new Separator(layoutGroupName); |
| |
| viewMenu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); |
| viewMenu.add(marker); |
| viewMenu.appendToGroup(layoutGroupName, layoutSubMenu); |
| viewMenu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS+"-end"));//$NON-NLS-1$ |
| addActions(layoutSubMenu); |
| } |
| |
| |
| private IAction[] createActions() { |
| |
| fFlatLayoutAction= new CommonLayoutAction(true); |
| fFlatLayoutAction.setText(PackagesMessages.LayoutActionGroup_flatLayoutAction_label); |
| JavaPluginImages.setLocalImageDescriptors(fFlatLayoutAction, "flatLayout.gif"); //$NON-NLS-1$ |
| |
| fHierarchicalLayout= new CommonLayoutAction(false); |
| fHierarchicalLayout.setText(PackagesMessages.LayoutActionGroup_hierarchicalLayoutAction_label); |
| JavaPluginImages.setLocalImageDescriptors(fHierarchicalLayout, "hierarchicalLayout.gif"); //$NON-NLS-1$ |
| |
| return new IAction[]{fFlatLayoutAction, fHierarchicalLayout}; |
| } |
| |
| public void setFlatLayout(boolean flatLayout) { |
| if(actions == null) { |
| actions = createActions(); |
| setActions(actions, flatLayout ? 0 /* indicates check the flat action */ : 1); |
| } |
| fHierarchicalLayout.setChecked(!flatLayout); |
| fFlatLayoutAction.setChecked(flatLayout); |
| |
| } |
| |
| } |