svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.fmap.control / src / main / java / org / gvsig / fmap / mapcontrol / tools / MeasureListenerImpl.java @ 43510
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| 1 | 40559 | jjdelcerro | /**
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| 2 | * gvSIG. Desktop Geographic Information System.
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| 3 | 40435 | jjdelcerro | *
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| 4 | 40559 | 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 | 40559 | 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 | 40559 | 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 | 40559 | 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.fmap.mapcontrol.tools; |
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| 25 | |||
| 26 | import java.awt.Image; |
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| 27 | import java.awt.Point; |
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| 28 | |||
| 29 | import org.gvsig.fmap.IconThemeHelper; |
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| 30 | import org.gvsig.fmap.mapcontext.ViewPort; |
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| 31 | import org.gvsig.fmap.mapcontrol.MapControl; |
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| 32 | import org.gvsig.fmap.mapcontrol.tools.Events.MeasureEvent; |
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| 33 | import org.gvsig.fmap.mapcontrol.tools.Listeners.PolylineListener; |
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| 34 | import org.slf4j.Logger; |
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| 35 | import org.slf4j.LoggerFactory; |
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| 36 | |||
| 37 | |||
| 38 | |||
| 39 | /**
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| 40 | * <p>Listener for calculating the length of the segments of a polyline, defined in the associated {@link MapControl MapControl}
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| 41 | * object.</p>
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| 42 | *
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| 43 | * @author Vicente Caballero Navarro
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| 44 | */
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| 45 | public class MeasureListenerImpl implements PolylineListener { |
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| 46 | |||
| 47 | private static final Logger logger = LoggerFactory.getLogger(MeasureListenerImpl.class); |
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| 48 | /**
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| 49 | * The image to display when the cursor is active.
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| 50 | */
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| 51 | // private final Image iruler = PluginServices.getIconTheme().get("cursor-query-area").getImage();
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| 52 | /**
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| 53 | * Reference to the <code>MapControl</code> object that uses.
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| 54 | */
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| 55 | protected MapControl mapCtrl;
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| 56 | |||
| 57 | /**
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| 58 | * <p>Creates a new listener for calculating the length of a polyline.</p>
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| 59 | *
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| 60 | * @param mc the <code>MapControl</code> where is calculated the length
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| 61 | */
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| 62 | public MeasureListenerImpl(MapControl mc) {
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| 63 | this.mapCtrl = mc;
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| 64 | } |
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| 65 | |||
| 66 | /*
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| 67 | * (non-Javadoc)
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| 68 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener#points(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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| 69 | */
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| 70 | public void points(MeasureEvent event) { |
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| 71 | double dist = 0; |
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| 72 | double distAll = 0; |
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| 73 | |||
| 74 | ViewPort vp = mapCtrl.getMapContext().getViewPort(); |
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| 75 | |||
| 76 | for (int i = 0; i < (event.getXs().length - 1); i++) { |
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| 77 | dist = 0;
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| 78 | |||
| 79 | Point p = new Point(event.getXs()[i].intValue(), |
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| 80 | event.getXs()[i].intValue()); |
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| 81 | Point p2 = new Point(event.getXs()[i + 1].intValue(), |
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| 82 | event.getXs()[i + 1].intValue());
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| 83 | |||
| 84 | ///dist = vp.toMapDistance((int) p.distance(p2));
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| 85 | dist = vp.distanceWorld(p, p2); |
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| 86 | distAll += dist; |
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| 87 | } |
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| 88 | |||
| 89 | logger.debug("Distancia = {}, Distancia Total = {}.",dist,distAll);
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| 90 | } |
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| 91 | |||
| 92 | /*
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| 93 | * (non-Javadoc)
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| 94 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getImageCursor()
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| 95 | */
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| 96 | public Image getImageCursor() { |
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| 97 | return IconThemeHelper.getImage("cursor-query-area"); |
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| 98 | } |
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| 99 | |||
| 100 | /*
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| 101 | * (non-Javadoc)
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| 102 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener#pointFixed(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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| 103 | */
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| 104 | public void pointFixed(MeasureEvent event) { |
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| 105 | } |
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| 106 | |||
| 107 | /*
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| 108 | * (non-Javadoc)
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| 109 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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| 110 | */
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| 111 | public boolean cancelDrawing() { |
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| 112 | return false; |
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| 113 | } |
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| 114 | |||
| 115 | /*
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| 116 | * (non-Javadoc)
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| 117 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener#polylineFinished(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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| 118 | */
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| 119 | public void polylineFinished(MeasureEvent event) { |
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| 120 | } |
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| 121 | } |