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 com.vividsolutions.jump.workbench.WorkbenchContext;
36: import com.vividsolutions.jump.workbench.model.Layerable;
37: import com.vividsolutions.jump.workbench.plugin.AbstractPlugIn;
38: import com.vividsolutions.jump.workbench.plugin.EnableCheckFactory;
39: import com.vividsolutions.jump.workbench.plugin.MultiEnableCheck;
40: import com.vividsolutions.jump.workbench.plugin.PlugInContext;
41:
42: public class RemoveSelectedLayersPlugIn extends AbstractPlugIn {
43: public RemoveSelectedLayersPlugIn() {
44: }
45:
46: public boolean execute(PlugInContext context) throws Exception {
47: // Changed on 2007-05-21 to use the new LayerManager()[Michael Michaud]
48: remove(context, (Layerable[]) (context.getLayerNamePanel())
49: .selectedNodes(Layerable.class).toArray(
50: new Layerable[] {}));
51: System.gc();
52: return true;
53: }
54:
55: public void remove(PlugInContext context, Layerable[] selectedLayers) {
56: for (int i = 0; i < selectedLayers.length; i++) {
57: // SIGLE start [obedel]
58: // dispose layer immediately
59: //selectedLayers[i].getLayerManager().remove(selectedLayers[i]);
60: // ... becomes ...
61: // Changed again by [Michael Michaud] on 2007-05-21 to solve the memory leak
62: // thanks to the new LayerManager.dispose(PlugInContext, Layerable) method
63: selectedLayers[i].getLayerManager().dispose(
64: context.getWorkbenchFrame(), selectedLayers[i]);
65: // SIGLE end
66: }
67: //Don't call LayerManager#setFiringEvents and
68: //LayerManager#fireModelChanged, so that each
69: //removed node is individually removed from the tree. [Jon Aquino]
70: }
71:
72: public MultiEnableCheck createEnableCheck(
73: WorkbenchContext workbenchContext) {
74: EnableCheckFactory checkFactory = new EnableCheckFactory(
75: workbenchContext);
76:
77: return new MultiEnableCheck()
78: .add(
79: checkFactory
80: .createWindowWithLayerNamePanelMustBeActiveCheck())
81: .add(
82: checkFactory
83: .createAtLeastNLayerablesMustBeSelectedCheck(
84: 1, Layerable.class));
85: }
86: }
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