1 /*
2 * Copyright 2004-2008 the Seasar Foundation and the Others.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13 * either express or implied. See the License for the specific language
14 * governing permissions and limitations under the License.
15 */
16 package org.seasar.eclipse.common.action;
17
18 import org.eclipse.core.resources.IResource;
19 import org.eclipse.jface.action.IAction;
20 import org.eclipse.jface.viewers.ISelection;
21 import org.eclipse.jface.viewers.IStructuredSelection;
22 import org.eclipse.ui.IEditorActionDelegate;
23 import org.eclipse.ui.IEditorPart;
24 import org.seasar.eclipse.common.util.AdaptableUtil;
25
26 /**
27 * @author taichi
28 *
29 */
30 public abstract class AbstractEditorActionDelegate implements
31 IEditorActionDelegate {
32
33 protected IEditorPart editorPart;
34
35 protected IResource resource;
36
37 /*
38 * (non-Javadoc)
39 *
40 * @see org.eclipse.ui.IEditorActionDelegate#setActiveEditor(org.eclipse.jface.action.IAction,
41 * org.eclipse.ui.IEditorPart)
42 */
43 public void setActiveEditor(IAction action, IEditorPart targetEditor) {
44 this.editorPart = targetEditor;
45 if (targetEditor != null) {
46 this.resource = AdaptableUtil.toResource(targetEditor
47 .getEditorInput());
48 }
49 }
50
51 /*
52 * (non-Javadoc)
53 *
54 * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
55 * org.eclipse.jface.viewers.ISelection)
56 */
57 public void selectionChanged(IAction action, ISelection selection) {
58 if (selection instanceof IStructuredSelection
59 && selection.isEmpty() == false) {
60 IStructuredSelection struct = (IStructuredSelection) selection;
61 Object o = struct.getFirstElement();
62 if (o instanceof IResource) {
63 this.resource = (IResource) o;
64 }
65 }
66 }
67 }