root / branches / v2_0_0_prep / applications / appgvSIG / src / org / gvsig / app / project / documents / view / toolListeners / MapOverviewListener.java @ 38605
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1 | 14821 | jmvivo | /* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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2 | 7771 | caballero | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | 14821 | jmvivo | * Av. Blasco Ib��ez, 50
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24 | 7771 | caballero | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | 29596 | jpiera | package org.gvsig.app.project.documents.view.toolListeners; |
42 | 7771 | caballero | |
43 | import java.awt.Image; |
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44 | 9439 | caballero | import java.awt.event.MouseEvent; |
45 | 7771 | caballero | import java.awt.geom.Point2D; |
46 | import java.awt.geom.Rectangle2D; |
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47 | |||
48 | 29596 | jpiera | import org.gvsig.andami.PluginServices; |
49 | import org.gvsig.app.gui.styling.SymbolSelector; |
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50 | import org.gvsig.app.project.documents.view.MapOverview; |
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51 | 27419 | jpiera | import org.gvsig.fmap.geom.GeometryLocator; |
52 | import org.gvsig.fmap.geom.GeometryManager; |
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53 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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54 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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55 | 27022 | jpiera | import org.gvsig.fmap.geom.util.UtilFunctions; |
56 | 20994 | jmvivo | import org.gvsig.fmap.mapcontext.ViewPort; |
57 | import org.gvsig.fmap.mapcontrol.tools.BehaviorException; |
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58 | import org.gvsig.fmap.mapcontrol.tools.Events.PointEvent; |
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59 | import org.gvsig.fmap.mapcontrol.tools.Listeners.PointListener; |
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60 | 27419 | jpiera | import org.slf4j.Logger; |
61 | import org.slf4j.LoggerFactory; |
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62 | 20994 | jmvivo | |
63 | 7771 | caballero | |
64 | |||
65 | /**
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66 | 20098 | jmvivo | * <p>Listener for changes of the zoom caused by selecting a point on the associated {@link MapOverview MapOverview} object
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67 | * by a single click of the button 1 of the mouse.</p>
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68 | 21743 | vcaballero | *
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69 | 20098 | jmvivo | * <p>Updates the extent of its <code>ViewPort</code> with a <i>zoom out</i> operation, and enables/disables controls for
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70 | * managing the data.</p>
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71 | 7771 | caballero | *
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72 | 20098 | jmvivo | * @see ViewPort
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73 | 21743 | vcaballero | *
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74 | 7771 | caballero | * @author Vicente Caballero Navarro
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75 | */
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76 | public class MapOverviewListener implements PointListener { |
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77 | 27419 | jpiera | private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
78 | private static final Logger logger = LoggerFactory.getLogger(MapOverviewListener.class); |
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79 | 20098 | jmvivo | /**
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80 | * The image to display when the cursor is active.
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81 | */
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82 | 38564 | jjdelcerro | private final Image izoomout = PluginServices.getIconTheme().get("cursor-crux").getImage(); |
83 | 20098 | jmvivo | |
84 | /**
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85 | * The cursor used to work with this tool listener.
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86 | 21743 | vcaballero | *
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87 | 20098 | jmvivo | * @see #getCursor()
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88 | */
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89 | 23642 | vcaballero | // private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(izoomout,
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90 | // new Point(16, 16), "");
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91 | 20098 | jmvivo | |
92 | /**
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93 | * Reference to the <code>MapControl</code> object that uses.
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94 | */
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95 | 13020 | cesar | protected MapOverview mapControl;
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96 | 7771 | caballero | |
97 | /**
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98 | 20098 | jmvivo | * <p>Creates a new listener for zooming out the extent of the associated {@link MapOverview MapOverview} object.</p>
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99 | 7771 | caballero | *
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100 | 21743 | vcaballero | * @param mapControl the <code>MapControl</code> object which represents the <code>MapOverview</code>
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101 | 7771 | caballero | */
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102 | 13020 | cesar | public MapOverviewListener(MapOverview mapControl) {
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103 | 7771 | caballero | this.mapControl = mapControl;
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104 | } |
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105 | |||
106 | 20098 | jmvivo | /*
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107 | * (non-Javadoc)
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108 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#point(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)
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109 | 7771 | caballero | */
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110 | public void point(PointEvent event) { |
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111 | ViewPort vp = mapControl.getMapContext().getViewPort(); |
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112 | |||
113 | 13020 | cesar | if (vp.getExtent() != null && |
114 | mapControl.getAssociatedMapContext().getViewPort().getExtent()!=null) {
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115 | 7771 | caballero | Point2D p = vp.toMapPoint(event.getPoint());
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116 | 13020 | cesar | Rectangle2D r = (Rectangle2D) mapControl.getAssociatedMapContext() |
117 | 7771 | caballero | .getViewPort().getExtent().clone(); |
118 | |||
119 | r.setRect(p.getX() - (r.getWidth() / 2),
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120 | p.getY() - (r.getHeight() / 2), r.getWidth(), r.getHeight());
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121 | |||
122 | 9439 | caballero | if (event.getEvent().getButton()!=MouseEvent.BUTTON1) { |
123 | 27419 | jpiera | try {
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124 | (this.mapControl).getAssociatedMapContext()
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125 | .getViewPort().setEnvelope(geomManager.createEnvelope(r.getX(),r.getY(),r.getMaxX(),r.getMaxY(), SUBTYPES.GEOM2D)); |
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126 | } catch (CreateEnvelopeException e) {
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127 | logger.error("Error creating the envelope", e);
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128 | } |
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129 | 9439 | caballero | PluginServices.getMainFrame().enableControls(); |
130 | } |
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131 | 7771 | caballero | } |
132 | } |
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133 | |||
134 | 20098 | jmvivo | /*
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135 | * (non-Javadoc)
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136 | 23642 | vcaballero | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getImageCursor()
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137 | 7771 | caballero | */
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138 | 23642 | vcaballero | public Image getImageCursor() { |
139 | return izoomout;
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140 | 7771 | caballero | } |
141 | |||
142 | 20098 | jmvivo | /*
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143 | * (non-Javadoc)
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144 | 7771 | caballero | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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145 | */
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146 | public boolean cancelDrawing() { |
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147 | return true; |
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148 | } |
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149 | |||
150 | 20098 | jmvivo | /*
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151 | * (non-Javadoc)
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152 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#pointDoubleClick(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)
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153 | */
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154 | 7771 | caballero | public void pointDoubleClick(PointEvent event) throws BehaviorException { |
155 | // TODO Auto-generated method stub
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156 | |||
157 | } |
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158 | } |