| /******************************************************************************* |
| * Copyright (c) 2004, 2012 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 |
| * Patrick Chuong (Texas Instruments) - Improve usability of the breakpoint view (Bug 238956) |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.actions.breakpoints; |
| |
| import org.eclipse.debug.internal.ui.viewers.model.IInternalTreeModelViewer; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelChangedListener; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxy; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.ITreeModelViewer; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdateListener; |
| import org.eclipse.debug.ui.AbstractDebugView; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.TreePath; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IViewActionDelegate; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.handlers.CollapseAllHandler; |
| |
| /** |
| * |
| */ |
| public class BreakpointsCollapseAllAction implements IViewActionDelegate, IActionDelegate2, IViewerUpdateListener, IModelChangedListener { |
| |
| private AbstractDebugView fView; |
| |
| private IAction fAction; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) |
| */ |
| @Override |
| public void init(IViewPart view) { |
| fView = (AbstractDebugView) view; |
| IInternalTreeModelViewer viewer = (IInternalTreeModelViewer)fView.getViewer(); |
| if (viewer != null) { |
| viewer.addViewerUpdateListener(this); |
| viewer.addModelChangedListener(this); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| @Override |
| public void run(IAction action) { |
| ((TreeViewer) fView.getViewer()).collapseAll(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection) |
| */ |
| @Override |
| public void selectionChanged(IAction action, ISelection selection) { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#dispose() |
| */ |
| @Override |
| public void dispose() { |
| ITreeModelViewer viewer = (ITreeModelViewer)fView.getViewer(); |
| if (viewer != null) { |
| viewer.removeViewerUpdateListener(this); |
| viewer.removeModelChangedListener(this); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) |
| */ |
| @Override |
| public void init(IAction action) { |
| fAction = action; |
| action.setActionDefinitionId(CollapseAllHandler.COMMAND_ID); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event) |
| */ |
| @Override |
| public void runWithEvent(IAction action, Event event) { |
| run(action); |
| } |
| |
| @Override |
| public void viewerUpdatesBegin() { |
| } |
| |
| @Override |
| public void viewerUpdatesComplete() { |
| } |
| |
| @Override |
| public void updateStarted(IViewerUpdate update) { |
| } |
| |
| @Override |
| public void updateComplete(IViewerUpdate update) { |
| if (!update.isCanceled()) { |
| if (TreePath.EMPTY.equals(update.getElementPath())) { |
| update(); |
| } |
| } |
| } |
| |
| private void update() { |
| IInternalTreeModelViewer viewer = (IInternalTreeModelViewer)fView.getViewer(); |
| if (viewer != null && fAction != null) { |
| fAction.setEnabled(viewer.getInput() != null && viewer.getChildCount(TreePath.EMPTY) > 0); |
| } |
| } |
| |
| @Override |
| public void modelChanged(IModelDelta delta, IModelProxy proxy) { |
| update(); |
| } |
| } |