01: /*
02: * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
03: * for visualizing and manipulating spatial features with geometry and attributes.
04: *
05: * Copyright (C) 2003 Vivid Solutions
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * as published by the Free Software Foundation; either version 2
10: * of the License, or (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20: *
21: * For more information, contact:
22: *
23: * Vivid Solutions
24: * Suite #1A
25: * 2328 Government Street
26: * Victoria BC V8T 5G5
27: * Canada
28: *
29: * (250)385-6040
30: * www.vividsolutions.com
31: */
32:
33: package com.vividsolutions.jump.workbench.ui.plugin;
34:
35: import javax.swing.ImageIcon;
36: import javax.swing.JComponent;
37: import javax.swing.undo.UndoManager;
38:
39: import com.vividsolutions.jump.workbench.WorkbenchContext;
40: import com.vividsolutions.jump.workbench.model.LayerManagerProxy;
41: import com.vividsolutions.jump.workbench.plugin.AbstractPlugIn;
42: import com.vividsolutions.jump.workbench.plugin.EnableCheck;
43: import com.vividsolutions.jump.workbench.plugin.EnableCheckFactory;
44: import com.vividsolutions.jump.workbench.plugin.MultiEnableCheck;
45: import com.vividsolutions.jump.workbench.plugin.PlugInContext;
46: import com.vividsolutions.jump.workbench.ui.images.IconLoader;
47:
48: public class UndoPlugIn extends AbstractPlugIn {
49: public UndoPlugIn() {
50: }
51:
52: public void initialize(PlugInContext context) throws Exception {
53: }
54:
55: public boolean execute(PlugInContext context) throws Exception {
56: ((LayerManagerProxy) context.getWorkbenchContext()
57: .getWorkbench().getFrame().getActiveInternalFrame())
58: .getLayerManager().getUndoableEditReceiver()
59: .getUndoManager().undo();
60: //Exclude the plug-in's activity from the undo history [Jon Aquino]
61: reportNothingToUndoYet(context);
62: context.getWorkbenchFrame().getToolBar().updateEnabledState();
63: return true;
64: }
65:
66: public MultiEnableCheck createEnableCheck(
67: final WorkbenchContext workbenchContext) {
68: EnableCheckFactory checkFactory = new EnableCheckFactory(
69: workbenchContext);
70: return new MultiEnableCheck()
71: .add(
72: checkFactory
73: .createWindowWithLayerManagerMustBeActiveCheck())
74: .add(new EnableCheck() {
75: public String check(JComponent component) {
76: UndoManager undoManager = ((LayerManagerProxy) workbenchContext
77: .getWorkbench().getFrame()
78: .getActiveInternalFrame())
79: .getLayerManager()
80: .getUndoableEditReceiver()
81: .getUndoManager();
82: component.setToolTipText(undoManager
83: .getUndoPresentationName());
84: return (!undoManager.canUndo()) ? "X" : null;
85: }
86: });
87: }
88:
89: public ImageIcon getIcon() {
90: return IconLoader.icon("Undo.gif");
91: }
92: }
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