svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.fmap.control / src / main / java / org / gvsig / fmap / mapcontrol / tools / Behavior / CircleBehavior.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.Color; |
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27 | import java.awt.Rectangle; |
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28 | import java.awt.event.MouseEvent; |
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29 | import java.awt.geom.Point2D; |
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30 | import java.awt.geom.Rectangle2D; |
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31 | |||
32 | import org.gvsig.fmap.geom.primitive.Arc; |
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33 | import org.gvsig.fmap.mapcontext.ViewPort; |
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34 | import org.gvsig.fmap.mapcontrol.MapControlDrawer; |
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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 | 44246 | omartinez | import org.gvsig.fmap.mapcontrol.tools.Listeners.AbstractCircleListener; |
38 | 40435 | jjdelcerro | import org.gvsig.fmap.mapcontrol.tools.Listeners.PolylineListener; |
39 | import org.gvsig.fmap.mapcontrol.tools.Listeners.ToolListener; |
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40 | 42036 | fdiaz | |
41 | 41977 | jjdelcerro | import org.slf4j.Logger; |
42 | import org.slf4j.LoggerFactory; |
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43 | 40435 | jjdelcerro | |
44 | /**
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45 | 44246 | omartinez | * <p>
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46 | * Behavior that allows user to draw a circle on the image of the associated
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47 | * <code>MapControl</code> using a
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48 | * {@link PolylineListener PolylineListener}.</p>
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49 | 40435 | jjdelcerro | *
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50 | * @author Laura
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51 | * @author Pablo Piqueras Bartolom?
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52 | */
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53 | public class CircleBehavior extends Behavior { |
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54 | 42036 | fdiaz | |
55 | 44246 | omartinez | private static final Logger logger = LoggerFactory.getLogger(CircleBehavior.class); |
56 | 40435 | jjdelcerro | |
57 | 44246 | omartinez | /**
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58 | * First point set, that represents the center of the circle.
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59 | */
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60 | protected Point2D m_FirstPoint; |
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61 | 40435 | jjdelcerro | |
62 | 44246 | omartinez | /**
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63 | * Second point set, that permits calculate the radius of the circle.
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64 | */
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65 | protected Point2D m_LastPoint; |
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66 | 40435 | jjdelcerro | |
67 | 44246 | omartinez | /**
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68 | * Tool listener used to work with the <code>MapControl</code> object.
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69 | *
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70 | * @see #getListener()
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71 | * @see #setListener(ToolListener)
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72 | */
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73 | private AbstractCircleListener listener;
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74 | 40435 | jjdelcerro | |
75 | 44246 | omartinez | /**
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76 | * Determines if user setting the radius of the circle (with one click of
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77 | * the button 1 of the mouse), or not.
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78 | */
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79 | protected boolean isClicked = false; |
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80 | 40435 | jjdelcerro | |
81 | 44246 | omartinez | /**
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82 | * <p>
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83 | * Creates a new behavior for selecting circle areas.</p>
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84 | *
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85 | * @param zili listener used to permit this object to work with the
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86 | * associated <code>MapControl</code>
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87 | */
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88 | public CircleBehavior(AbstractCircleListener zili) {
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89 | listener = zili; |
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90 | } |
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91 | |||
92 | /*
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93 | 40435 | jjdelcerro | * (non-Javadoc)
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94 | * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#paintComponent(java.awt.Graphics)
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95 | 44246 | omartinez | */
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96 | @Override
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97 | public void paintComponent(MapControlDrawer mapControlDrawer) { |
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98 | double radio;
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99 | mapControlDrawer.setColor(Color.black);
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100 | 40435 | jjdelcerro | |
101 | 44246 | omartinez | if ((m_FirstPoint != null) && (m_LastPoint != null)) { |
102 | ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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103 | Point2D p1 = vp.toMapPoint(m_FirstPoint);
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104 | Point2D p2 = vp.toMapPoint(m_LastPoint);
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105 | 40435 | jjdelcerro | |
106 | 44246 | omartinez | radio = p1.distance(p2); |
107 | if (radio > 0.0) { |
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108 | Arc arc = null;
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109 | arc = createArc(p1.getX(), p1.getY(), |
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110 | radio, 0, Math.PI * 2); |
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111 | if (arc != null) { |
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112 | mapControlDrawer.draw(arc); |
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113 | } |
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114 | } |
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115 | 40435 | jjdelcerro | |
116 | 44246 | omartinez | } |
117 | } |
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118 | 40435 | jjdelcerro | |
119 | 44246 | omartinez | /*
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120 | 40435 | jjdelcerro | * (non-Javadoc)
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121 | * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mousePressed(java.awt.event.MouseEvent)
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122 | 44246 | omartinez | */
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123 | @Override
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124 | public void mousePressed(MouseEvent e) { |
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125 | if (this.isMyButton(e)) { |
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126 | m_FirstPoint = e.getPoint(); |
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127 | isClicked = true;
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128 | getMapControl().repaint(); |
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129 | if (listener.cancelDrawing()) {
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130 | getMapControl().cancelDrawing(); |
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131 | isClicked = false;
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132 | 41977 | jjdelcerro | getMapControl().repaint(); |
133 | } |
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134 | 44246 | omartinez | } |
135 | 40435 | jjdelcerro | |
136 | 44246 | omartinez | } |
137 | 41977 | jjdelcerro | |
138 | 44246 | omartinez | /*
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139 | 40435 | jjdelcerro | * (non-Javadoc)
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140 | * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseReleased(java.awt.event.MouseEvent)
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141 | 44246 | omartinez | */
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142 | @Override
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143 | public void mouseReleased(MouseEvent e) throws BehaviorException { |
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144 | 40435 | jjdelcerro | |
145 | 44246 | omartinez | if (m_FirstPoint == null) { |
146 | return;
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147 | } |
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148 | |||
149 | m_LastPoint = e.getPoint(); |
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150 | |||
151 | ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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152 | |||
153 | Point2D p1 = vp.toMapPoint(m_FirstPoint);
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154 | Point2D p2 = vp.toMapPoint(m_LastPoint);
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155 | |||
156 | Double[] x = new Double[2]; |
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157 | Double[] y = new Double[2]; |
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158 | x[0] = p1.getX();
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159 | x[1] = p2.getX();
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160 | y[0] = p1.getY();
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161 | y[1] = p2.getY();
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162 | MeasureEvent event = new MeasureEvent(x, y, e);
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163 | |||
164 | listener.circleFinished(event); |
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165 | |||
166 | if (this.isMyButton(e)) { |
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167 | m_FirstPoint = null;
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168 | m_LastPoint = null;
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169 | isClicked = false;
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170 | } |
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171 | } |
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172 | |||
173 | /*
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174 | 40435 | jjdelcerro | * (non-Javadoc)
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175 | * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseDragged(java.awt.event.MouseEvent)
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176 | 44246 | omartinez | */
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177 | @Override
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178 | public void mouseDragged(MouseEvent e) throws BehaviorException { |
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179 | mouseMoved(e); |
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180 | } |
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181 | 40435 | jjdelcerro | |
182 | 44246 | omartinez | /*
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183 | 40435 | jjdelcerro | * (non-Javadoc)
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184 | * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseMoved(java.awt.event.MouseEvent)
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185 | 44246 | omartinez | */
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186 | @Override
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187 | public void mouseMoved(MouseEvent e) throws BehaviorException { |
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188 | if (m_FirstPoint == null) { |
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189 | return;
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190 | } |
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191 | 40435 | jjdelcerro | |
192 | 44246 | omartinez | m_LastPoint = e.getPoint(); |
193 | 40435 | jjdelcerro | |
194 | 44246 | omartinez | ViewPort vp = getMapControl().getMapContext().getViewPort(); |
195 | 40435 | jjdelcerro | |
196 | 44246 | omartinez | Point2D p1 = vp.toMapPoint(m_FirstPoint);
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197 | Point2D p2 = vp.toMapPoint(m_LastPoint);
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198 | 40435 | jjdelcerro | |
199 | 44246 | omartinez | // Fijamos el nuevo extent
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200 | Rectangle2D.Double r = new Rectangle2D.Double(); |
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201 | r.setFrameFromDiagonal(p1, p2); |
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202 | 40435 | jjdelcerro | |
203 | 44246 | omartinez | Rectangle2D rectPixel = new Rectangle(); |
204 | rectPixel.setFrameFromDiagonal(m_FirstPoint, m_LastPoint); |
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205 | 40435 | jjdelcerro | |
206 | 44246 | omartinez | Double[] x = new Double[2]; |
207 | Double[] y = new Double[2]; |
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208 | x[0] = p1.getX();
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209 | x[1] = p2.getX();
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210 | y[0] = p1.getY();
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211 | y[1] = p2.getY();
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212 | MeasureEvent event = new MeasureEvent(x, y, e);
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213 | listener.circle(event); |
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214 | getMapControl().repaint(); |
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215 | } |
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216 | 40435 | jjdelcerro | |
217 | 44246 | omartinez | /**
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218 | * <p>
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219 | * Sets a tool listener to work with the <code>MapControl</code> using this
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220 | * behavior.</p>
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221 | *
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222 | * @param listener a <code>CircleListener</code> object for this behavior
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223 | */
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224 | public void setListener(ToolListener listener) { |
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225 | this.listener = (AbstractCircleListener) listener;
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226 | } |
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227 | 40435 | jjdelcerro | |
228 | 44246 | omartinez | /*
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229 | 40435 | jjdelcerro | * (non-Javadoc)
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230 | * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#getListener()
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231 | 44246 | omartinez | */
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232 | @Override
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233 | public ToolListener getListener() {
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234 | return listener;
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235 | } |
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236 | 40435 | jjdelcerro | } |