svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_controls / src / org / gvsig / fmap / mapcontrol / tools / PanListenerImpl.java @ 33411
History | View | Annotate | Download (4.46 KB)
1 | 21203 | vcaballero | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
---|---|---|---|
2 | *
|
||
3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
||
4 | *
|
||
5 | * This program is free software; you can redistribute it and/or
|
||
6 | * modify it under the terms of the GNU General Public License
|
||
7 | * as published by the Free Software Foundation; either version 2
|
||
8 | * of the License, or (at your option) any later version.
|
||
9 | *
|
||
10 | * This program is distributed in the hope that it will be useful,
|
||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
13 | * GNU General Public License for more details.
|
||
14 | *
|
||
15 | * You should have received a copy of the GNU General Public License
|
||
16 | * along with this program; if not, write to the Free Software
|
||
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
||
18 | *
|
||
19 | * For more information, contact:
|
||
20 | *
|
||
21 | * Generalitat Valenciana
|
||
22 | * Conselleria d'Infraestructures i Transport
|
||
23 | * Av. Blasco Ib??ez, 50
|
||
24 | * 46010 VALENCIA
|
||
25 | * SPAIN
|
||
26 | *
|
||
27 | * +34 963862235
|
||
28 | * gvsig@gva.es
|
||
29 | * www.gvsig.gva.es
|
||
30 | *
|
||
31 | * or
|
||
32 | *
|
||
33 | * IVER T.I. S.A
|
||
34 | * Salamanca 50
|
||
35 | * 46005 Valencia
|
||
36 | * Spain
|
||
37 | *
|
||
38 | * +34 963163400
|
||
39 | * dac@iver.es
|
||
40 | */
|
||
41 | package org.gvsig.fmap.mapcontrol.tools; |
||
42 | |||
43 | import java.awt.Image; |
||
44 | import java.awt.geom.Point2D; |
||
45 | import java.awt.geom.Rectangle2D; |
||
46 | |||
47 | import javax.swing.ImageIcon; |
||
48 | |||
49 | 27411 | jpiera | import org.gvsig.fmap.geom.GeometryLocator; |
50 | import org.gvsig.fmap.geom.GeometryManager; |
||
51 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
||
52 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
||
53 | 21500 | vcaballero | import org.gvsig.fmap.geom.primitive.Envelope; |
54 | 27019 | jpiera | import org.gvsig.fmap.geom.util.UtilFunctions; |
55 | 21203 | vcaballero | import org.gvsig.fmap.mapcontext.ViewPort; |
56 | import org.gvsig.fmap.mapcontrol.MapControl; |
||
57 | import org.gvsig.fmap.mapcontrol.tools.Events.MoveEvent; |
||
58 | import org.gvsig.fmap.mapcontrol.tools.Listeners.PanListener; |
||
59 | 27411 | jpiera | import org.slf4j.Logger; |
60 | import org.slf4j.LoggerFactory; |
||
61 | 21203 | vcaballero | |
62 | |||
63 | |||
64 | /**
|
||
65 | * <p>Listener for moving the extent of the associated {@link MapControl MapControl} object
|
||
66 | * according the movement between the initial and final points of line determined by the movement
|
||
67 | * dragging with the third button of the mouse.</p>
|
||
68 | 21500 | vcaballero | *
|
69 | 21203 | vcaballero | * <p>Updates the extent of its <code>ViewPort</code> with the new position.</p>
|
70 | *
|
||
71 | * @author Vicente Caballero Navarro
|
||
72 | */
|
||
73 | public class PanListenerImpl implements PanListener { |
||
74 | 27411 | jpiera | private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
75 | private static final Logger logger = LoggerFactory.getLogger(PanListenerImpl.class); |
||
76 | 21203 | vcaballero | /**
|
77 | * The image to display when the cursor is active.
|
||
78 | */
|
||
79 | private final Image ipan = new ImageIcon(MapControl.class.getResource( |
||
80 | "images/Hand.gif")).getImage();
|
||
81 | |||
82 | /**
|
||
83 | * The cursor used to work with this tool listener.
|
||
84 | 21500 | vcaballero | *
|
85 | 21203 | vcaballero | * @see #getCursor()
|
86 | */
|
||
87 | 23645 | vcaballero | // private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(ipan,
|
88 | // new Point(16, 16), "");
|
||
89 | 21203 | vcaballero | |
90 | /**
|
||
91 | * Reference to the <code>MapControl</code> object that uses.
|
||
92 | */
|
||
93 | private MapControl mapControl;
|
||
94 | |||
95 | /**
|
||
96 | * <p>Creates a new listener for changing the position of the extent of the associated {@link MapControl MapControl} object.</p>
|
||
97 | 21500 | vcaballero | *
|
98 | 21203 | vcaballero | * @param mapControl the <code>MapControl</code> where will be applied the changes
|
99 | */
|
||
100 | public PanListenerImpl(MapControl mapControl) {
|
||
101 | this.mapControl = mapControl;
|
||
102 | } |
||
103 | |||
104 | /*
|
||
105 | * (non-Javadoc)
|
||
106 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PanListener#move(com.iver.cit.gvsig.fmap.tools.Events.MoveEvent)
|
||
107 | */
|
||
108 | public void move(MoveEvent event) { |
||
109 | ViewPort vp = mapControl.getMapContext().getViewPort(); |
||
110 | |||
111 | Point2D from = vp.toMapPoint(event.getFrom());
|
||
112 | Point2D to = vp.toMapPoint(event.getTo());
|
||
113 | |||
114 | 21500 | vcaballero | |
115 | 21203 | vcaballero | Rectangle2D extent = vp.getExtent();
|
116 | 21500 | vcaballero | double x = extent.getX() - (to.getX() - from.getX());
|
117 | double y = extent.getY() - (to.getY() - from.getY());
|
||
118 | double width = extent.getWidth();
|
||
119 | double height = extent.getHeight();
|
||
120 | 27411 | jpiera | Envelope r; |
121 | try {
|
||
122 | r = geomManager.createEnvelope(x, y, x+width, y+height, SUBTYPES.GEOM2D); |
||
123 | vp.setEnvelope(r); |
||
124 | } catch (CreateEnvelopeException e) {
|
||
125 | logger.error("Error creating the envelope", e);
|
||
126 | } |
||
127 | |||
128 | 21203 | vcaballero | } |
129 | |||
130 | /*
|
||
131 | * (non-Javadoc)
|
||
132 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()
|
||
133 | */
|
||
134 | 23645 | vcaballero | public Image getImageCursor() { |
135 | return ipan;
|
||
136 | 21203 | vcaballero | } |
137 | |||
138 | /*
|
||
139 | * (non-Javadoc)
|
||
140 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
|
||
141 | */
|
||
142 | public boolean cancelDrawing() { |
||
143 | return true; |
||
144 | } |
||
145 | } |