svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / tools / PolygonSelectionListener.java @ 20701
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1 | 7011 | fjp | /* 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 com.iver.cit.gvsig.fmap.tools; |
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42 | |||
43 | import java.awt.Cursor; |
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44 | import java.awt.Image; |
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45 | import java.awt.Point; |
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46 | import java.awt.Toolkit; |
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47 | |||
48 | import javax.swing.ImageIcon; |
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49 | |||
50 | 10627 | caballero | import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
51 | import com.iver.cit.gvsig.exceptions.visitors.VisitorException; |
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52 | 7011 | fjp | import com.iver.cit.gvsig.fmap.MapControl; |
53 | import com.iver.cit.gvsig.fmap.ViewPort; |
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54 | import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
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55 | import com.iver.cit.gvsig.fmap.core.IGeometry; |
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56 | import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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57 | import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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58 | import com.iver.cit.gvsig.fmap.layers.FLayer; |
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59 | import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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60 | import com.iver.cit.gvsig.fmap.operations.strategies.DefaultStrategy; |
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61 | import com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent; |
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62 | import com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener; |
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63 | |||
64 | |||
65 | /**
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66 | 20098 | jmvivo | * <p>Listener that selects all features of the active and vector layers which intersect with the defined
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67 | * polygon area in the associated {@link MapControl MapControl} object.</p>
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68 | 7011 | fjp | *
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69 | 20098 | jmvivo | * <p>The selection will be produced after user finishes the creation of the polyline.</p>
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70 | *
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71 | 7011 | fjp | * @author Vicente Caballero Navarro
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72 | */
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73 | public class PolygonSelectionListener implements PolylineListener { |
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74 | 20098 | jmvivo | /**
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75 | * The image to display when the cursor is active.
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76 | */
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77 | 7011 | fjp | private final Image img = new ImageIcon(MapControl.class.getResource( |
78 | "images/PoligonCursor.png")).getImage();
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79 | 20098 | jmvivo | |
80 | /**
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81 | * The cursor used to work with this tool listener.
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82 | *
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83 | * @see #getCursor()
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84 | */
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85 | 7011 | fjp | private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(img, |
86 | new Point(16, 16), ""); |
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87 | 20098 | jmvivo | |
88 | /**
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89 | * The cursor used to work with this tool listener.
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90 | *
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91 | * @see #getCursor()
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92 | */
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93 | 7011 | fjp | private MapControl mapCtrl;
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94 | |||
95 | /**
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96 | 20098 | jmvivo | * <p>Creates a new <code>PolygonSelectionListener</code> object.</p>
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97 | 7011 | fjp | *
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98 | 20098 | jmvivo | * @param mc the <code>MapControl</code> where is drawn the polyline
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99 | 7011 | fjp | */
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100 | public PolygonSelectionListener(MapControl mc) {
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101 | this.mapCtrl = mc;
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102 | } |
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103 | |||
104 | 20098 | jmvivo | /*
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105 | * (non-Javadoc)
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106 | 7011 | fjp | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()
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107 | */
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108 | public Cursor getCursor() { |
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109 | return cur;
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110 | } |
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111 | |||
112 | 20098 | jmvivo | /*
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113 | * (non-Javadoc)
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114 | 7011 | fjp | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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115 | */
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116 | public boolean cancelDrawing() { |
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117 | return false; |
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118 | } |
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119 | |||
120 | 20098 | jmvivo | /*
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121 | * (non-Javadoc)
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122 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener#points(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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123 | */
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124 | 7011 | fjp | public void points(MeasureEvent event) throws BehaviorException { |
125 | // TODO Auto-generated method stub
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126 | 10627 | caballero | |
127 | 7011 | fjp | } |
128 | |||
129 | 20098 | jmvivo | /*
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130 | * (non-Javadoc)
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131 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener#points(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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132 | */
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133 | 7011 | fjp | public void pointFixed(MeasureEvent event) throws BehaviorException { |
134 | // TODO Auto-generated method stub
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135 | 10627 | caballero | |
136 | 7011 | fjp | } |
137 | |||
138 | 20098 | jmvivo | /*
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139 | * (non-Javadoc)
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140 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener#polylineFinished(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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141 | */
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142 | 7011 | fjp | public void polylineFinished(MeasureEvent event) throws BehaviorException { |
143 | try {
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144 | ViewPort vp = mapCtrl.getMapContext().getViewPort(); |
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145 | |||
146 | GeneralPathX gp = event.getGP(); |
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147 | IGeometry geom = ShapeFactory.createPolygon2D(gp); |
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148 | FLayer[] actives = mapCtrl.getMapContext()
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149 | .getLayers().getActives(); |
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150 | for (int i=0; i < actives.length; i++) |
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151 | { |
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152 | if (actives[i] instanceof FLyrVect) { |
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153 | FLyrVect lyrVect = (FLyrVect) actives[i]; |
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154 | FBitSet oldBitSet = lyrVect.getSource().getRecordset().getSelection(); |
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155 | FBitSet newBitSet = lyrVect.queryByShape(geom, DefaultStrategy.INTERSECTS); |
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156 | if (event.getEvent().isControlDown())
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157 | newBitSet.xor(oldBitSet); |
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158 | lyrVect.getRecordset().setSelection(newBitSet); |
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159 | } |
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160 | } |
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161 | |||
162 | 10627 | caballero | } catch (ReadDriverException e) {
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163 | 7011 | fjp | throw new BehaviorException("No se pudo hacer la selecci?n"); |
164 | 10627 | caballero | } catch (VisitorException e) {
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165 | throw new BehaviorException("No se pudo hacer la selecci?n"); |
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166 | 7011 | fjp | } |
167 | } |
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168 | } |