svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.selectiontools.app / org.gvsig.selectiontools.app.mainplugin / src / main / java / org / gvsig / selectiontools / app / extension / tools / CircleSelectionListener.java @ 43510
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1 | 40556 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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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 | * as published by the Free Software Foundation; either version 3
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9 | * 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 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * 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 | */
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24 | 40435 | jjdelcerro | package org.gvsig.selectiontools.app.extension.tools; |
25 | |||
26 | /* gvSIG. Geographic Information System of the Valencian Government
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27 | *
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28 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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29 | * of the Valencian Government (CIT)
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30 | 42305 | fdiaz | *
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31 | 40435 | jjdelcerro | * This program is free software; you can redistribute it and/or
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32 | * modify it under the terms of the GNU General Public License
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33 | * as published by the Free Software Foundation; either version 2
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34 | * of the License, or (at your option) any later version.
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35 | 42305 | fdiaz | *
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36 | 40435 | jjdelcerro | * This program is distributed in the hope that it will be useful,
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37 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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38 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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39 | * GNU General Public License for more details.
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40 | 42305 | fdiaz | *
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41 | 40435 | jjdelcerro | * You should have received a copy of the GNU General Public License
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42 | * along with this program; if not, write to the Free Software
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43 | 42305 | fdiaz | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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44 | 40435 | jjdelcerro | * MA 02110-1301, USA.
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45 | 42305 | fdiaz | *
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46 | 40435 | jjdelcerro | */
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47 | |||
48 | import java.awt.Cursor; |
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49 | import java.awt.Image; |
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50 | import java.awt.Toolkit; |
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51 | import java.awt.event.MouseEvent; |
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52 | |||
53 | import javax.swing.ImageIcon; |
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54 | |||
55 | import org.gvsig.andami.IconThemeHelper; |
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56 | import org.gvsig.andami.PluginServices; |
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57 | import org.gvsig.andami.messages.NotificationManager; |
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58 | import org.gvsig.fmap.dal.exception.DataException; |
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59 | import org.gvsig.fmap.dal.feature.FeatureSelection; |
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60 | import org.gvsig.fmap.dal.feature.FeatureSet; |
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61 | import org.gvsig.fmap.geom.Geometry; |
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62 | import org.gvsig.fmap.geom.GeometryLocator; |
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63 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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64 | import org.gvsig.fmap.geom.Geometry.TYPES; |
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65 | import org.gvsig.fmap.geom.GeometryManager; |
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66 | import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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67 | import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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68 | import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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69 | import org.gvsig.fmap.geom.primitive.Point; |
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70 | import org.gvsig.fmap.geom.primitive.Circle; |
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71 | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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72 | import org.gvsig.fmap.mapcontext.layers.FLayer; |
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73 | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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74 | import org.gvsig.fmap.mapcontrol.MapControl; |
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75 | import org.gvsig.fmap.mapcontrol.tools.BehaviorException; |
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76 | import org.gvsig.fmap.mapcontrol.tools.Events.MeasureEvent; |
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77 | import org.gvsig.fmap.mapcontrol.tools.Listeners.CircleListener; |
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78 | |||
79 | /**
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80 | * <p>
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81 | * Listener that selects all features of the active, available and vector layers
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82 | * which intersect with the defined circle area in the associated
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83 | * {@link MapControl MapControl} object.
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84 | * </p>
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85 | 42305 | fdiaz | *
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86 | 40435 | jjdelcerro | * @author Pablo Piqueras Bartolom? (pablo.piqueras@iver.es)
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87 | */
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88 | public class CircleSelectionListener implements CircleListener { |
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89 | |||
90 | |||
91 | |||
92 | /**
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93 | * The cursor used to work with this tool listener.
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94 | 42305 | fdiaz | *
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95 | 40435 | jjdelcerro | * @see #getCursor()
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96 | */
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97 | 42305 | fdiaz | private Cursor cur = null ; |
98 | 40435 | jjdelcerro | |
99 | /**
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100 | * Reference to the <code>MapControl</code> object that uses.
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101 | */
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102 | private MapControl mapCtrl;
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103 | |||
104 | /**
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105 | * <p>
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106 | * Creates a new listener for selecting circular areas.
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107 | * </p>
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108 | 42305 | fdiaz | *
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109 | 40435 | jjdelcerro | * @param mc
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110 | * the <code>MapControl</code> object where the measures are made
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111 | */
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112 | public CircleSelectionListener(MapControl mc) {
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113 | this.mapCtrl = mc;
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114 | } |
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115 | |||
116 | /*
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117 | * (non-Javadoc)
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118 | 42305 | fdiaz | *
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119 | 40435 | jjdelcerro | * @see
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120 | * com.iver.cit.gvsig.fmap.tools.Listeners.CircleListener#circle(com.iver
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121 | * .cit.gvsig.fmap.tools.Events.MeasureEvent)
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122 | */
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123 | public void circle(MeasureEvent event) throws BehaviorException { |
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124 | if (event.getEvent().getID() == MouseEvent.MOUSE_RELEASED) { |
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125 | FLayer[] activeLayers =
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126 | mapCtrl.getMapContext().getLayers().getActives(); |
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127 | |||
128 | FLayer layer; |
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129 | FLyrVect lyrVect; |
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130 | |||
131 | Geometry geom = null;
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132 | GeometryManager manager = GeometryLocator.getGeometryManager(); |
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133 | Point center;
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134 | try {
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135 | center = (Point)manager.create(TYPES.POINT, SUBTYPES.GEOM2D);
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136 | center.setX(event.getXs()[0].doubleValue());
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137 | 42305 | fdiaz | center.setY(event.getYs()[0].doubleValue());
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138 | 40435 | jjdelcerro | |
139 | Point point2;
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140 | point2 = (Point)manager.create(TYPES.POINT, SUBTYPES.GEOM2D);
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141 | point2.setX(event.getXs()[1].doubleValue());
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142 | 42305 | fdiaz | point2.setY(event.getYs()[1].doubleValue());
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143 | 40435 | jjdelcerro | |
144 | double radious = center.distance(point2);
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145 | |||
146 | Circle circle = null;
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147 | circle = (Circle) manager.create(TYPES.CIRCLE, SUBTYPES.GEOM2D); |
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148 | circle.setPoints(center, radious); |
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149 | geom = circle; |
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150 | } catch (CreateGeometryException e) {
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151 | NotificationManager.showMessageError(PluginServices.getText(null,
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152 | "Failed_creating_geometry"),
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153 | e); |
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154 | } catch (GeometryOperationNotSupportedException e) {
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155 | NotificationManager.showMessageError(PluginServices.getText(null,
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156 | "Operation_not_supported"),
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157 | e); |
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158 | } catch (GeometryOperationException e) {
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159 | NotificationManager.showMessageError(PluginServices.getText(null,
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160 | "Failed_performing_the_operation"),
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161 | e); |
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162 | } |
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163 | if (geom == null) |
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164 | return;
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165 | |||
166 | double flatness;
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167 | |||
168 | // Creates the geometry
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169 | // If the scale is < 500 -> approximates the circle with a polyline
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170 | // with more points, as many as
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171 | // smaller would be the scale
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172 | if (mapCtrl.getMapContext().getScaleView() < 500) { |
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173 | GeneralPathX gP = new GeneralPathX();
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174 | flatness = manager.getFlatness(); // ?????
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175 | flatness = |
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176 | mapCtrl.getMapContext().getScaleView() * flatness |
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177 | / (500 * 2); // The number 2 forces to create the double |
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178 | // of points
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179 | gP.append(geom.getPathIterator(null, flatness), true); |
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180 | try {
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181 | geom = manager.createSurface(gP, SUBTYPES.GEOM2D); |
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182 | } catch (CreateGeometryException e) {
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183 | NotificationManager.showMessageError(PluginServices.getText(null,
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184 | "Failed_creating_geometry"),
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185 | e); |
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186 | } |
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187 | } else {
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188 | // Bigger scale -> Smaller flatness
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189 | GeneralPathX gP = new GeneralPathX();
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190 | flatness = manager.getFlatness(); // ?????
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191 | flatness = |
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192 | flatness / (mapCtrl.getMapContext().getScaleView() * 2);
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193 | // *2 to reduce the number of lines of the polygon
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194 | |||
195 | gP.append(geom.getPathIterator(null, flatness), true); |
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196 | try {
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197 | geom = manager.createSurface(gP, SUBTYPES.GEOM2D); |
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198 | } catch (CreateGeometryException e) {
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199 | NotificationManager.showMessageError(PluginServices.getText(null,
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200 | "Failed_creating_geometry"),
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201 | e); |
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202 | } |
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203 | } |
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204 | |||
205 | for (int i = 0; i < activeLayers.length; i++) { |
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206 | layer = activeLayers[i]; |
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207 | |||
208 | if ((layer.isAvailable()) && (layer instanceof FLyrVect)) { |
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209 | lyrVect = (FLyrVect) layer; |
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210 | FeatureSet newSelection = null;
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211 | |||
212 | try {
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213 | newSelection = |
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214 | lyrVect.queryByGeometry(geom, |
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215 | lyrVect.getFeatureStore() |
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216 | .getDefaultFeatureType()); |
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217 | |||
218 | if (event.getEvent().isControlDown()) {
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219 | ((FeatureSelection) lyrVect.getDataStore() |
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220 | .getSelection()).select(newSelection); |
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221 | } else {
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222 | lyrVect.getFeatureStore() |
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223 | .setSelection(newSelection); |
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224 | } |
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225 | |||
226 | } catch (DataException e) {
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227 | NotificationManager.showMessageError(PluginServices.getText(null,
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228 | "Failed_selecting_geometries"),
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229 | e); |
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230 | } finally {
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231 | newSelection.dispose(); |
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232 | } |
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233 | } |
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234 | } |
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235 | } |
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236 | } |
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237 | |||
238 | /*
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239 | * (non-Javadoc)
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240 | 42305 | fdiaz | *
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241 | 40435 | jjdelcerro | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()
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242 | */
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243 | public Cursor getCursor() { |
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244 | if (cur == null) { |
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245 | cur = Toolkit.getDefaultToolkit().createCustomCursor(
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246 | this.getImageCursor(), new java.awt.Point(16, 16), ""); |
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247 | } |
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248 | return cur;
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249 | } |
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250 | |||
251 | /*
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252 | * (non-Javadoc)
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253 | 42305 | fdiaz | *
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254 | 40435 | jjdelcerro | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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255 | */
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256 | public boolean cancelDrawing() { |
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257 | return false; |
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258 | } |
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259 | |||
260 | public Image getImageCursor() { |
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261 | return IconThemeHelper.getImage("cursor-select-by-circle"); |
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262 | } |
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263 | } |