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: package com.vividsolutions.jump.workbench.ui.cursortool.editing;
33:
34: import java.awt.Shape;
35: import java.awt.geom.NoninvertibleTransformException;
36:
37: import javax.swing.Icon;
38:
39: import com.vividsolutions.jts.geom.Coordinate;
40: import com.vividsolutions.jts.geom.GeometryFactory;
41: import com.vividsolutions.jts.geom.Point;
42: import com.vividsolutions.jump.workbench.ui.LayerNamePanelProxy;
43: import com.vividsolutions.jump.workbench.ui.cursortool.CursorTool;
44: import com.vividsolutions.jump.workbench.ui.cursortool.NClickTool;
45: import com.vividsolutions.jump.workbench.ui.images.IconLoader;
46:
47: public class DrawPointTool extends NClickTool {
48:
49: private FeatureDrawingUtil featureDrawingUtil;
50:
51: private DrawPointTool(FeatureDrawingUtil featureDrawingUtil) {
52: super (1);
53: this .featureDrawingUtil = featureDrawingUtil;
54: }
55:
56: protected Shape getShape() throws NoninvertibleTransformException {
57: //Don't want anything to show up when the user drags. [Jon Aquino]
58: return null;
59: }
60:
61: public static CursorTool create(
62: LayerNamePanelProxy layerNamePanelProxy) {
63: FeatureDrawingUtil featureDrawingUtil = new FeatureDrawingUtil(
64: layerNamePanelProxy);
65:
66: //Don't allow snapping. The user will get confused if he tries to draw
67: //a point near another point and sees nothing happen because
68: //snapping is happening. [Jon Aquino]
69: return featureDrawingUtil.prepare(new DrawPointTool(
70: featureDrawingUtil), false);
71: }
72:
73: public Icon getIcon() {
74: return IconLoader.icon("DrawPoint.gif");
75: }
76:
77: protected void gestureFinished() throws Exception {
78: reportNothingToUndoYet();
79:
80: execute(featureDrawingUtil.createAddCommand(getPoint(),
81: isRollingBackInvalidEdits(), getPanel(), this ));
82: }
83:
84: protected Point getPoint() throws NoninvertibleTransformException {
85: return new GeometryFactory()
86: .createPoint((Coordinate) getCoordinates().get(0));
87: }
88:
89: }
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