root / branches / v2_0_0_prep / libraries / libFMap_controls / src / org / gvsig / fmap / mapcontrol / tools / PointSelectionListener.java @ 38564
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1 | 21203 | vcaballero | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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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 | * Av. Blasco Ib??ez, 50
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24 | * 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 | package org.gvsig.fmap.mapcontrol.tools; |
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42 | |||
43 | import java.awt.Image; |
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44 | import java.awt.geom.Point2D; |
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45 | |||
46 | 38564 | jjdelcerro | import org.gvsig.fmap.IconThemeHelper; |
47 | 24689 | vcaballero | import org.gvsig.fmap.dal.exception.DataException; |
48 | import org.gvsig.fmap.dal.feature.FeatureSelection; |
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49 | import org.gvsig.fmap.dal.feature.FeatureSet; |
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50 | 21203 | vcaballero | import org.gvsig.fmap.mapcontext.layers.FLayer; |
51 | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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52 | import org.gvsig.fmap.mapcontrol.MapControl; |
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53 | import org.gvsig.fmap.mapcontrol.tools.Events.PointEvent; |
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54 | import org.gvsig.fmap.mapcontrol.tools.Listeners.PointListener; |
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55 | |||
56 | /**
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57 | * <p>Listener that selects all features of the active, and vector layers of the associated <code>MapControl</code>
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58 | * that their area intersects with the point selected by a single click of any button of the mouse.</p>
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59 | *
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60 | * @author Vicente Caballero Navarro
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61 | */
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62 | public class PointSelectionListener implements PointListener { |
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63 | /**
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64 | * The image to display when the cursor is active.
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65 | */
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66 | 38564 | jjdelcerro | // private final Image img = PluginServices.getIconTheme().get("cursor-select-by-point").getImage();
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67 | 21203 | vcaballero | |
68 | /**
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69 | * Reference to the <code>MapControl</code> object that uses.
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70 | */
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71 | protected MapControl mapCtrl;
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72 | |||
73 | /**
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74 | * <p>Creates a new <code>PointSelectionListener</code> object.</p>
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75 | *
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76 | * @param mc the <code>MapControl</code> where will be applied the changes
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77 | */
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78 | public PointSelectionListener(MapControl mc) {
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79 | this.mapCtrl = mc;
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80 | } |
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81 | |||
82 | /*
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83 | * (non-Javadoc)
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84 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#point(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)
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85 | */
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86 | public void point(PointEvent event) throws BehaviorException { |
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87 | try {
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88 | // mapCtrl.getMapContext().selectByPoint(event.getPoint(), 1);
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89 | Point2D p = event.getPoint();
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90 | Point2D mapPoint = mapCtrl.getViewPort().toMapPoint((int) p.getX(), (int) p.getY()); |
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91 | |||
92 | // Tolerancia de 3 pixels
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93 | double tol = mapCtrl.getViewPort().toMapDistance(3); |
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94 | FLayer[] actives = mapCtrl.getMapContext()
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95 | .getLayers().getActives(); |
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96 | for (int i=0; i < actives.length; i++) |
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97 | { |
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98 | if (actives[i] instanceof FLyrVect) { |
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99 | FLyrVect lyrVect = (FLyrVect) actives[i]; |
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100 | 31284 | cordinyana | FeatureSet newSelection = null;
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101 | try {
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102 | newSelection = |
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103 | lyrVect.queryByPoint(mapPoint, tol, |
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104 | lyrVect.getFeatureStore() |
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105 | .getDefaultFeatureType()); |
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106 | if (event.getEvent().isControlDown()) {
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107 | ((FeatureSelection) lyrVect.getDataStore() |
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108 | .getSelection()).select(newSelection); |
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109 | } else {
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110 | lyrVect.getFeatureStore() |
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111 | .setSelection(newSelection); |
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112 | } |
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113 | } finally {
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114 | 36721 | fdiaz | if (newSelection!=null){ |
115 | newSelection.dispose(); |
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116 | } |
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117 | 21203 | vcaballero | } |
118 | |||
119 | 22353 | jmvivo | |
120 | 22252 | jmvivo | mapCtrl.drawMap(false); // FIXME Esto deber?a sobrar (la capa deber?a de ser observada) |
121 | 21203 | vcaballero | } |
122 | } |
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123 | |||
124 | 22353 | jmvivo | } catch (DataException e) {
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125 | throw new BehaviorException("No se pudo hacer la selecci?n", e); |
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126 | 21203 | vcaballero | } |
127 | } |
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128 | |||
129 | /*
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130 | * (non-Javadoc)
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131 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()
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132 | */
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133 | 23645 | vcaballero | public Image getImageCursor() { |
134 | 38564 | jjdelcerro | return IconThemeHelper.getImage("cursor-select-by-point"); |
135 | 21203 | vcaballero | } |
136 | |||
137 | /*
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138 | * (non-Javadoc)
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139 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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140 | */
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141 | public boolean cancelDrawing() { |
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142 | return false; |
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143 | } |
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144 | |||
145 | /*
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146 | * (non-Javadoc)
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147 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#pointDoubleClick(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)
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148 | */
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149 | public void pointDoubleClick(PointEvent event) throws BehaviorException { |
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150 | |||
151 | } |
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152 | |||
153 | |||
154 | } |