root / branches / v2_0_0_prep / applications / appgvSIG / src / org / gvsig / app / project / documents / view / toolListeners / AreaListener.java @ 38605
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1 | 7771 | caballero | /* 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 | 29596 | jpiera | package org.gvsig.app.project.documents.view.toolListeners; |
42 | 7771 | caballero | |
43 | import java.awt.geom.Point2D; |
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44 | import java.text.NumberFormat; |
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45 | |||
46 | 29596 | jpiera | import org.gvsig.andami.PluginServices; |
47 | import org.gvsig.andami.ui.mdiFrame.MainFrame; |
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48 | 20994 | jmvivo | import org.gvsig.fmap.mapcontext.MapContext; |
49 | import org.gvsig.fmap.mapcontext.ViewPort; |
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50 | import org.gvsig.fmap.mapcontrol.MapControl; |
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51 | import org.gvsig.fmap.mapcontrol.tools.AreaListenerImpl; |
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52 | import org.gvsig.fmap.mapcontrol.tools.Events.MeasureEvent; |
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53 | |||
54 | 7771 | caballero | |
55 | |||
56 | /**
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57 | 20098 | jmvivo | * <p>Listener for calculating the area of a polygon, defined in the associated {@link MapControl MapControl}
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58 | * object.</p>
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59 | * <p>Moves the extent of the associated {@link MapControl MapControl} object
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60 | * according the movement between the initial and final points of the line determined by the movement
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61 | * dragged with the third button of the mouse.</p>
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62 | 20334 | vcaballero | *
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63 | 20098 | jmvivo | * <p>Updates the status bar of the main frame of the application with the current area.</p>
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64 | 7771 | caballero | *
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65 | 20098 | jmvivo | * @see AreaListenerImpl
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66 | 20334 | vcaballero | *
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67 | 7771 | caballero | * @author Vicente Caballero Navarro
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68 | */
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69 | public class AreaListener extends AreaListenerImpl { |
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70 | /**
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71 | 20098 | jmvivo | * <p>Creates a new listener for calculating the area of a polygon and displaying it at the status bar
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72 | * of the main frame of the application.</p>
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73 | *
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74 | * @param mc the <code>MapControl</code> where is calculated the area
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75 | */
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76 | 7771 | caballero | public AreaListener(MapControl mc) {
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77 | super(mc);
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78 | } |
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79 | |||
80 | 20098 | jmvivo | /*
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81 | * (non-Javadoc)
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82 | * @see com.iver.cit.gvsig.fmap.tools.AreaListenerImpl#points(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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83 | 7771 | caballero | */
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84 | public void points(MeasureEvent event) { |
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85 | this.event = event;
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86 | |||
87 | double dist = 0; |
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88 | double distAll = 0; |
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89 | |||
90 | ViewPort vp = mapCtrl.getMapContext().getViewPort(); |
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91 | for (int i = 0; i < (event.getXs().length - 1); i++) { |
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92 | dist = 0;
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93 | |||
94 | Point2D p = new Point2D.Double(event.getXs()[i].doubleValue(), event.getYs()[i].doubleValue());//vp.toMapPoint(new Point(event.getXs()[i].intValue(), event.getYs()[i].intValue())); |
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95 | Point2D p2 = new Point2D.Double(event.getXs()[i + 1].doubleValue(), event.getYs()[i + 1].doubleValue());//vp.toMapPoint(new Point(event.getXs()[i + 1].intValue(), event.getYs()[i + 1].intValue())); |
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96 | ///dist = vp.toMapDistance((int) p.distance(p2));
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97 | dist = vp.distanceWorld(p,p2); |
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98 | 20334 | vcaballero | // System.out.println("distancia parcial = "+dist);
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99 | 7771 | caballero | distAll += dist; |
100 | } |
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101 | |||
102 | // System.out.println("Per?metro = " + distAll + " ?rea = " +
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103 | // (returnArea(vp.toMapPoint(
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104 | // new Point2D.Double(
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105 | // event.getXs()[event.getXs().length - 2].doubleValue(),
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106 | // event.getYs()[event.getYs().length - 2].doubleValue())))));
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107 | NumberFormat nf = NumberFormat.getInstance(); |
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108 | nf.setMaximumFractionDigits(2);
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109 | MainFrame mF = PluginServices.getMainFrame(); |
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110 | if (mF != null) |
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111 | { |
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112 | 9817 | caballero | int distanceUnits=mapCtrl.getViewPort().getDistanceUnits();
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113 | 20334 | vcaballero | int distanceArea=mapCtrl.getViewPort().getDistanceArea();
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114 | 7771 | caballero | mF.getStatusBar().setMessage("4",
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115 | 20334 | vcaballero | "P:" + nf.format(distAll/MapContext.getDistanceTrans2Meter()[distanceUnits]) + ""); |
116 | 7771 | caballero | mF.getStatusBar().setMessage("5",
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117 | ///"A:" + nf.format(returnArea(vp.toMapPoint(
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118 | /// new Point2D.Double(
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119 | /// event.getXs()[event.getXs().length - 2].doubleValue(),
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120 | /// event.getYs()[event.getYs().length - 2].doubleValue())))/FMap.CHANGEM[mapCtrl.getViewPort().getDistanceUnits()]) + "");
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121 | "A:" + nf.format(returnArea(
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122 | new Point2D.Double( |
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123 | event.getXs()[event.getXs().length - 2].doubleValue(),
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124 | 20334 | vcaballero | event.getYs()[event.getYs().length - 2].doubleValue()))/Math.pow(MapContext.getAreaTrans2Meter()[distanceArea],2)) + ""); |
125 | 20345 | vcaballero | mF.getStatusBar().setMessage("distancearea",MapContext.getAreaAbbr()[distanceArea]);
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126 | 7771 | caballero | } |
127 | } |
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128 | } |