| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.hierarchyviewerlib.actions; |
| |
| import com.android.hierarchyviewerlib.models.TreeViewModel; |
| import com.android.hierarchyviewerlib.models.TreeViewModel.ITreeChangeListener; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.swt.widgets.Display; |
| |
| public class TreeViewEnabledAction extends Action implements ITreeChangeListener { |
| public TreeViewEnabledAction(String name) { |
| super(name); |
| setEnabled(TreeViewModel.getModel().getTree() != null); |
| TreeViewModel.getModel().addTreeChangeListener(this); |
| } |
| |
| @Override |
| public void selectionChanged() { |
| // pass |
| } |
| |
| @Override |
| public void treeChanged() { |
| Display.getDefault().syncExec(new Runnable() { |
| @Override |
| public void run() { |
| setEnabled(TreeViewModel.getModel().getTree() != null); |
| } |
| }); |
| } |
| |
| @Override |
| public void viewportChanged() { |
| } |
| |
| @Override |
| public void zoomChanged() { |
| } |
| } |