root / branches / v2_0_0_prep / applications / appgvSIG / src / org / gvsig / app / project / documents / view / toolListeners / CircleMeasureListener.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 | |||
44 | import java.awt.Image; |
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45 | import java.awt.geom.Point2D; |
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46 | import java.text.NumberFormat; |
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47 | |||
48 | 29596 | jpiera | import org.gvsig.andami.PluginServices; |
49 | 20994 | jmvivo | import org.gvsig.fmap.mapcontext.MapContext; |
50 | import org.gvsig.fmap.mapcontext.ViewPort; |
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51 | import org.gvsig.fmap.mapcontrol.MapControl; |
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52 | import org.gvsig.fmap.mapcontrol.tools.BehaviorException; |
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53 | import org.gvsig.fmap.mapcontrol.tools.Events.MeasureEvent; |
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54 | import org.gvsig.fmap.mapcontrol.tools.Listeners.CircleListener; |
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55 | |||
56 | 7771 | caballero | |
57 | |||
58 | /**
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59 | 20098 | jmvivo | * <p>Listener for tools that measure using a circular area, displaying
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60 | * its radius at the status bar of the application's main frame.</p>
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61 | 7771 | caballero | *
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62 | 20098 | jmvivo | * @see CircleListener
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63 | *
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64 | 7771 | caballero | * @author Laura
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65 | */
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66 | public class CircleMeasureListener implements CircleListener { |
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67 | 20098 | jmvivo | /**
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68 | * The image to display when the cursor is active.
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69 | */
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70 | 14821 | jmvivo | private final Image img = PluginServices.getIconTheme().get("cursor-query-distance").getImage(); |
71 | 20098 | jmvivo | |
72 | /**
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73 | * The cursor used to work with this tool listener.
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74 | 20334 | vcaballero | *
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75 | 20098 | jmvivo | * @see #getCursor()
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76 | */
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77 | 23642 | vcaballero | // private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(img,
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78 | // new Point(16, 16), "");
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79 | 20098 | jmvivo | |
80 | /**
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81 | * Reference to the <code>MapControl</code> object that uses.
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82 | */
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83 | 7771 | caballero | private MapControl mapCtrl;
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84 | |||
85 | /**
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86 | 20098 | jmvivo | * <p>Creates a new listener for measure circular areas.</p>
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87 | 7771 | caballero | *
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88 | 20334 | vcaballero | * @param mc the <code>MapControl</code> object where the measures are made
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89 | 7771 | caballero | */
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90 | public CircleMeasureListener(MapControl mc) {
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91 | this.mapCtrl = mc;
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92 | } |
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93 | |||
94 | 20098 | jmvivo | /*
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95 | * (non-Javadoc)
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96 | 7771 | caballero | * @see com.iver.cit.gvsig.fmap.tools.Listeners.CircleListener#circle(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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97 | */
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98 | public void circle(MeasureEvent event) throws BehaviorException { |
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99 | double dist = 0; |
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100 | double distAll = 0; |
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101 | |||
102 | ViewPort vp = mapCtrl.getMapContext().getViewPort(); |
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103 | |||
104 | for (int i = 0; i < (event.getXs().length - 1); i++) { |
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105 | dist = 0;
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106 | |||
107 | Point2D p = new Point2D.Double(event.getXs()[i].doubleValue(), |
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108 | event.getYs()[i].doubleValue()); |
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109 | Point2D p2 = new Point2D.Double(event.getXs()[i + 1].doubleValue(), |
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110 | event.getYs()[i + 1].doubleValue());
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111 | |||
112 | ///dist = vp.toMapDistance((int) p.distance(p2));
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113 | dist = vp.distanceWorld(p, p2); |
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114 | distAll += dist; |
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115 | } |
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116 | //System.out.println("Distancia = " + dist + " Distancia Total = " +
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117 | // (distAll));
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118 | NumberFormat nf = NumberFormat.getInstance(); |
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119 | nf.setMaximumFractionDigits(2);
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120 | if (PluginServices.getMainFrame() != null) |
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121 | { |
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122 | 20334 | vcaballero | double[] trans2Meter=MapContext.getDistanceTrans2Meter(); |
123 | 7771 | caballero | PluginServices.getMainFrame().getStatusBar().setMessage("4",
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124 | 20334 | vcaballero | "Dist:" + nf.format(dist/trans2Meter[mapCtrl.getViewPort().getDistanceUnits()]) + ""); |
125 | 7771 | caballero | PluginServices.getMainFrame().getStatusBar().setMessage("5",
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126 | 20334 | vcaballero | "Total:" + nf.format(distAll/trans2Meter[mapCtrl.getViewPort().getDistanceUnits()]) + ""); |
127 | 7771 | caballero | } |
128 | } |
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129 | |||
130 | 20098 | jmvivo | /*
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131 | * (non-Javadoc)
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132 | 23642 | vcaballero | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getImageCursor()
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133 | 7771 | caballero | */
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134 | 23642 | vcaballero | public Image getImageCursor() { |
135 | return img;
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136 | 7771 | caballero | } |
137 | |||
138 | 20098 | jmvivo | /*
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139 | * (non-Javadoc)
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140 | 7771 | caballero | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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141 | */
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142 | public boolean cancelDrawing() { |
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143 | return false; |
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144 | } |
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145 | } |