01: /*******************************************************************************
02: * Copyright (c) 2000, 2006 IBM Corporation and others.
03: * All rights reserved. This program and the accompanying materials
04: * are made available under the terms of the Eclipse Public License v1.0
05: * which accompanies this distribution, and is available at
06: * http://www.eclipse.org/legal/epl-v10.html
07: *
08: * Contributors:
09: * IBM Corporation - initial API and implementation
10: *******************************************************************************/package org.eclipse.jdt.internal.ui.actions;
11:
12: import java.util.ArrayList;
13: import java.util.List;
14:
15: import org.eclipse.core.runtime.Assert;
16:
17: import org.eclipse.swt.widgets.Tree;
18: import org.eclipse.swt.widgets.TreeItem;
19:
20: import org.eclipse.jface.action.Action;
21: import org.eclipse.jface.viewers.StructuredViewer;
22: import org.eclipse.jface.viewers.TableViewer;
23: import org.eclipse.jface.viewers.TreeViewer;
24:
25: import org.eclipse.ui.PlatformUI;
26:
27: import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
28:
29: /**
30: * This action selects all entries currently showing in view.
31: */
32: public class SelectAllAction extends Action {
33:
34: private StructuredViewer fViewer;
35:
36: /**
37: * Creates the action for a TreeViewer
38: */
39: public SelectAllAction(TreeViewer viewer) {
40: this ((StructuredViewer) viewer);
41: }
42:
43: /**
44: * Creates the action for a TableViewer
45: */
46: public SelectAllAction(TableViewer viewer) {
47: this ((StructuredViewer) viewer);
48: }
49:
50: private SelectAllAction(StructuredViewer viewer) {
51: super ("selectAll"); //$NON-NLS-1$
52: setText(ActionMessages.SelectAllAction_label);
53: setToolTipText(ActionMessages.SelectAllAction_tooltip);
54: PlatformUI.getWorkbench().getHelpSystem().setHelp(this ,
55: IJavaHelpContextIds.SELECT_ALL_ACTION);
56: Assert.isNotNull(viewer);
57: fViewer = viewer;
58: }
59:
60: private void collectExpandedAndVisible(TreeItem[] items, List result) {
61: for (int i = 0; i < items.length; i++) {
62: TreeItem item = items[i];
63: if (item.getData() != null) {
64: result.add(item);
65: if (item.getExpanded()) {
66: collectExpandedAndVisible(item.getItems(), result);
67: }
68: }
69: }
70: }
71:
72: /**
73: * Selects all resources in the view.
74: */
75: public void run() {
76: if (fViewer instanceof TreeViewer) {
77: ArrayList allVisible = new ArrayList();
78: Tree tree = ((TreeViewer) fViewer).getTree();
79: collectExpandedAndVisible(tree.getItems(), allVisible);
80: tree.setSelection((TreeItem[]) allVisible
81: .toArray(new TreeItem[allVisible.size()]));
82: fViewer.setSelection(fViewer.getSelection());
83: } else if (fViewer instanceof TableViewer) {
84: ((TableViewer) fViewer).getTable().selectAll();
85: // force viewer selection change
86: fViewer.setSelection(fViewer.getSelection());
87: }
88: }
89: }
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