| /******************************************************************************* |
| * Copyright (c) 2005, 2010 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.debug.internal.ui.viewers.update; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.ILaunch; |
| import org.eclipse.debug.core.ILaunchManager; |
| import org.eclipse.debug.core.ILaunchesListener2; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta; |
| import org.eclipse.debug.internal.ui.viewers.provisional.AbstractModelProxy; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| /** |
| * Model proxy for launch object. |
| * |
| * @since 3.3 |
| */ |
| public class LaunchProxy extends AbstractModelProxy implements ILaunchesListener2 { |
| |
| private ILaunch fLaunch; |
| |
| /** |
| * Set of launch's previous children. When a child is added, |
| * its model proxy is installed. |
| */ |
| private Set fPrevChildren = new HashSet(); |
| |
| /** |
| * Constructs a new model proxy for the given launch. |
| * |
| * @param launch |
| */ |
| public LaunchProxy(ILaunch launch) { |
| fLaunch = launch; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.AbstractModelProxy#init(org.eclipse.debug.internal.ui.viewers.IPresentationContext) |
| */ |
| public void init(IPresentationContext context) { |
| super.init(context); |
| DebugPlugin.getDefault().getLaunchManager().addLaunchListener(this); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.provisional.AbstractModelProxy#installed(org.eclipse.jface.viewers.Viewer) |
| */ |
| public void installed(Viewer viewer) { |
| // install model proxies for existing children |
| installModelProxies(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.AbstractModelProxy#dispose() |
| */ |
| public void dispose() { |
| super.dispose(); |
| DebugPlugin.getDefault().getLaunchManager().removeLaunchListener(this); |
| fPrevChildren.clear(); |
| fLaunch = null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.ILaunchesListener2#launchesTerminated(org.eclipse.debug.core.ILaunch[]) |
| */ |
| public void launchesTerminated(ILaunch[] launches) { |
| for (int i = 0; i < launches.length; i++) { |
| if (launches[i] == fLaunch) { |
| fireDelta(IModelDelta.STATE | IModelDelta.CONTENT | IModelDelta.UNINSTALL); |
| break; |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.ILaunchesListener#launchesRemoved(org.eclipse.debug.core.ILaunch[]) |
| */ |
| public void launchesRemoved(ILaunch[] launches) { |
| for (int i = 0; i < launches.length; i++) { |
| if (launches[i] == fLaunch) { |
| fireDelta(IModelDelta.UNINSTALL); |
| break; |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.ILaunchesListener#launchesAdded(org.eclipse.debug.core.ILaunch[]) |
| */ |
| public void launchesAdded(ILaunch[] launches) { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.ILaunchesListener#launchesChanged(org.eclipse.debug.core.ILaunch[]) |
| */ |
| public void launchesChanged(ILaunch[] launches) { |
| for (int i = 0; i < launches.length; i++) { |
| if (launches[i] == fLaunch) { |
| fireDelta(IModelDelta.STATE | IModelDelta.CONTENT); |
| installModelProxies(); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Installs model proxies for any new children in the given launch. |
| * |
| * @param launch |
| */ |
| protected void installModelProxies() { |
| boolean changes = false; |
| ILaunchManager manager = DebugPlugin.getDefault().getLaunchManager(); |
| ILaunch[] allLaunches = manager.getLaunches(); |
| ModelDelta root = new ModelDelta(manager, 0, IModelDelta.NO_CHANGE, allLaunches.length); |
| Object[] children = fLaunch.getChildren(); |
| ModelDelta launchDelta = root.addNode(fLaunch, indexOf(fLaunch, allLaunches), IModelDelta.EXPAND, children.length); |
| for (int j = 0; j < children.length; j++) { |
| Object child = children[j]; |
| if (fPrevChildren.add(child)) { |
| changes = true; |
| launchDelta.addNode(child, indexOf(child, children), IModelDelta.INSTALL, -1); |
| } |
| } |
| List childrenList = Arrays.asList(children); |
| for (Iterator itr = fPrevChildren.iterator(); itr.hasNext();) { |
| Object child = itr.next(); |
| if (!childrenList.contains(child)) { |
| itr.remove(); |
| changes = true; |
| launchDelta.addNode(child, IModelDelta.UNINSTALL); |
| } |
| } |
| if (changes) { |
| fireModelChanged(root); |
| } |
| } |
| |
| /** |
| * Finds the index of the selected element in the given list |
| * @param element the element to get the index for |
| * @param list the list to search for the index |
| * @return the index of the specified element in the given array or -1 if not found |
| */ |
| protected int indexOf(Object element, Object[] list) { |
| for (int i = 0; i < list.length; i++) { |
| if (element == list[i]) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| /** |
| * Convenience method to fire a delta |
| * @param flags the flags to set on the delta |
| */ |
| protected void fireDelta(int flags) { |
| ModelDelta delta = new ModelDelta(DebugPlugin.getDefault().getLaunchManager(), IModelDelta.NO_CHANGE); |
| delta.addNode(fLaunch, flags); |
| fireModelChanged(delta); |
| } |
| |
| } |