svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.fmap.control / src / main / java / org / gvsig / fmap / mapcontrol / tools / Behavior / DraggerBehavior.java @ 45680
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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.Behavior; |
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25 | |||
26 | import java.awt.event.MouseEvent; |
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27 | import java.awt.geom.Point2D; |
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28 | |||
29 | import org.gvsig.fmap.mapcontrol.MapControlDrawer; |
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30 | import org.gvsig.fmap.mapcontrol.tools.BehaviorException; |
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31 | import org.gvsig.fmap.mapcontrol.tools.Events.MoveEvent; |
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32 | import org.gvsig.fmap.mapcontrol.tools.Listeners.PanListener; |
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33 | import org.gvsig.fmap.mapcontrol.tools.Listeners.ToolListener; |
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34 | |||
35 | |||
36 | |||
37 | /**
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38 | * <p>Behavior that permits user to drag the image of the associated
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39 | * <code>MapControl</code> using a {@link PanListener PanListener}.</p>
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40 | *
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41 | * @author Vicente Caballero Navarro
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42 | * @author Pablo Piqueras Bartolom?
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43 | */
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44 | public class DraggerBehavior extends Behavior { |
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45 | /**
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46 | * First point of the path in image coordinates.
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47 | */
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48 | private Point2D m_FirstPoint; |
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49 | |||
50 | /**
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51 | * Tool listener used to work with the <code>MapControl</code> object.
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52 | *
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53 | * @see #getListener()
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54 | * @see #setListener(ToolListener)
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55 | */
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56 | private PanListener listener;
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57 | |||
58 | /**
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59 | * <p>Creates a new behavior for dragging the mouse.</p>
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60 | *
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61 | * @param pli listener used to permit this object to work with the associated <code>MapControl</code>
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62 | */
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63 | public DraggerBehavior(PanListener pli) {
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64 | listener = pli; |
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65 | } |
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66 | |||
67 | /*
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68 | * (non-Javadoc)
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69 | * @see org.gvsig.fmap.mapcontrol.tools.Behavior.Behavior#paintComponent(org.gvsig.fmap.mapcontrol.MapControlDrawer)
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70 | */
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71 | public void paintComponent(MapControlDrawer mapControlDrawer) { |
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72 | } |
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73 | |||
74 | /*
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75 | * (non-Javadoc)
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76 | * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mousePressed(java.awt.event.MouseEvent)
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77 | */
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78 | public void mousePressed(MouseEvent e) { |
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79 | if (e.getButton() == MouseEvent.BUTTON1) { |
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80 | m_FirstPoint = e.getPoint(); |
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81 | } |
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82 | |||
83 | if (listener.cancelDrawing()) {
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84 | getMapControl().cancelDrawing(); |
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85 | } |
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86 | } |
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87 | |||
88 | /*
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89 | * (non-Javadoc)
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90 | * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseReleased(java.awt.event.MouseEvent)
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91 | */
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92 | public void mouseReleased(MouseEvent e) throws BehaviorException { |
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93 | m_FirstPoint = null;
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94 | } |
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95 | |||
96 | /*
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97 | * (non-Javadoc)
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98 | * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseDragged(java.awt.event.MouseEvent)
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99 | */
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100 | public void mouseDragged(MouseEvent e) throws BehaviorException { |
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101 | MoveEvent event = new MoveEvent(m_FirstPoint, e.getPoint(), e);
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102 | listener.move(event); |
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103 | getMapControl().repaint(); |
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104 | } |
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105 | |||
106 | /**
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107 | * <p>Sets a tool listener to work with the <code>MapControl</code> using this behavior.</p>
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108 | *
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109 | * @param listener a <code>PanListener</code> object for this behavior
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110 | */
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111 | public void setListener(ToolListener listener) { |
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112 | this.listener = (PanListener) listener;
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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.Behavior.Behavior#getListener()
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118 | */
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119 | public ToolListener getListener() {
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120 | return listener;
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121 | } |
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122 | } |