svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.app / org.gvsig.app.mainplugin / src / main / java / org / gvsig / app / project / documents / view / toolListeners / CircleMeasureListener.java @ 40558
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1 | 40558 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40558 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40558 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40558 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40435 | jjdelcerro | *
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21 | 40558 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.app.project.documents.view.toolListeners; |
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25 | |||
26 | |||
27 | import java.awt.Image; |
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28 | import java.awt.geom.Point2D; |
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29 | import java.text.NumberFormat; |
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30 | |||
31 | import org.gvsig.andami.PluginServices; |
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32 | import org.gvsig.fmap.mapcontext.MapContext; |
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33 | import org.gvsig.fmap.mapcontext.ViewPort; |
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34 | import org.gvsig.fmap.mapcontrol.MapControl; |
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35 | import org.gvsig.fmap.mapcontrol.tools.BehaviorException; |
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36 | import org.gvsig.fmap.mapcontrol.tools.Events.MeasureEvent; |
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37 | import org.gvsig.fmap.mapcontrol.tools.Listeners.CircleListener; |
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38 | |||
39 | |||
40 | |||
41 | /**
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42 | * <p>Listener for tools that measure using a circular area, displaying
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43 | * its radius at the status bar of the application's main frame.</p>
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44 | *
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45 | * @see CircleListener
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46 | *
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47 | * @author Laura
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48 | */
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49 | public class CircleMeasureListener implements CircleListener { |
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50 | /**
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51 | * The image to display when the cursor is active.
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52 | */
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53 | private final Image img = PluginServices.getIconTheme().get("cursor-query-distance").getImage(); |
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54 | |||
55 | /**
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56 | * The cursor used to work with this tool listener.
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57 | *
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58 | * @see #getCursor()
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59 | */
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60 | // private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(img,
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61 | // new Point(16, 16), "");
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62 | |||
63 | /**
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64 | * Reference to the <code>MapControl</code> object that uses.
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65 | */
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66 | private MapControl mapCtrl;
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67 | |||
68 | /**
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69 | * <p>Creates a new listener for measure circular areas.</p>
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70 | *
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71 | * @param mc the <code>MapControl</code> object where the measures are made
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72 | */
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73 | public CircleMeasureListener(MapControl mc) {
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74 | this.mapCtrl = mc;
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75 | } |
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76 | |||
77 | /*
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78 | * (non-Javadoc)
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79 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.CircleListener#circle(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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80 | */
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81 | public void circle(MeasureEvent event) throws BehaviorException { |
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82 | double dist = 0; |
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83 | double distAll = 0; |
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84 | |||
85 | ViewPort vp = mapCtrl.getMapContext().getViewPort(); |
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86 | |||
87 | for (int i = 0; i < (event.getXs().length - 1); i++) { |
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88 | dist = 0;
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89 | |||
90 | Point2D p = new Point2D.Double(event.getXs()[i].doubleValue(), |
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91 | event.getYs()[i].doubleValue()); |
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92 | Point2D p2 = new Point2D.Double(event.getXs()[i + 1].doubleValue(), |
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93 | event.getYs()[i + 1].doubleValue());
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94 | |||
95 | ///dist = vp.toMapDistance((int) p.distance(p2));
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96 | dist = vp.distanceWorld(p, p2); |
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97 | distAll += dist; |
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98 | } |
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99 | //System.out.println("Distancia = " + dist + " Distancia Total = " +
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100 | // (distAll));
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101 | NumberFormat nf = NumberFormat.getInstance(); |
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102 | nf.setMaximumFractionDigits(2);
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103 | if (PluginServices.getMainFrame() != null) |
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104 | { |
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105 | double[] trans2Meter=MapContext.getDistanceTrans2Meter(); |
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106 | PluginServices.getMainFrame().getStatusBar().setMessage("4",
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107 | "Dist:" + nf.format(dist/trans2Meter[mapCtrl.getViewPort().getDistanceUnits()]) + ""); |
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108 | PluginServices.getMainFrame().getStatusBar().setMessage("5",
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109 | "Total:" + nf.format(distAll/trans2Meter[mapCtrl.getViewPort().getDistanceUnits()]) + ""); |
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110 | } |
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111 | } |
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112 | |||
113 | /*
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114 | * (non-Javadoc)
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115 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getImageCursor()
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116 | */
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117 | public Image getImageCursor() { |
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118 | return img;
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119 | } |
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120 | |||
121 | /*
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122 | * (non-Javadoc)
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123 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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124 | */
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125 | public boolean cancelDrawing() { |
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126 | return false; |
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127 | } |
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128 | } |