svn-gvsig-desktop / tags / v2_0_0_Build_2058 / extensions / org.gvsig.selectiontools.app / org.gvsig.selectiontools.app.extension / src / main / java / org / gvsig / selectiontools / app / extension / SelectByBufferExtension.java @ 39267
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1 | 33404 | fdiaz | package org.gvsig.selectiontools.app.extension; |
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2 | |||
3 | /* gvSIG. Geographic Information System of the Valencian Government
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4 | *
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5 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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6 | * of the Valencian Government (CIT)
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7 | *
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8 | * This program is free software; you can redistribute it and/or
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9 | * modify it under the terms of the GNU General Public License
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10 | * as published by the Free Software Foundation; either version 2
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11 | * of the License, or (at your option) any later version.
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12 | *
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13 | * This program is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with this program; if not, write to the Free Software
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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21 | * MA 02110-1301, USA.
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22 | *
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23 | */
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24 | |||
25 | import java.util.ArrayList; |
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26 | |||
27 | import javax.swing.JOptionPane; |
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28 | |||
29 | 38564 | jjdelcerro | import org.gvsig.andami.IconThemeHelper; |
30 | 33404 | fdiaz | import org.gvsig.andami.PluginServices; |
31 | import org.gvsig.andami.plugins.Extension; |
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32 | import org.gvsig.andami.ui.mdiManager.IWindow; |
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33 | import org.gvsig.app.project.documents.view.ViewDocument; |
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34 | import org.gvsig.app.project.documents.view.gui.IView; |
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35 | import org.gvsig.fmap.dal.exception.DataException; |
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36 | import org.gvsig.fmap.mapcontext.MapContext; |
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37 | import org.gvsig.fmap.mapcontext.layers.FLayer; |
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38 | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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39 | import org.gvsig.selectiontools.app.extension.tools.buffer.gui.BufferConfigurationPanel; |
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40 | |||
41 | /**
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42 | * <p>
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43 | * Extension to add support for selecting the geometries of the active vector
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44 | * layers that intersect with a buffer around their previously selected
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45 | * geometries.
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46 | * </p>
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47 | *
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48 | * @author Pablo Piqueras Bartolom? (pablo.piqueras@iver.es)
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49 | */
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50 | public class SelectByBufferExtension extends Extension { |
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51 | |||
52 | public static final String BUFFER_SELECTION_TOOL_NAME = "bufferSelection"; |
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53 | |||
54 | /*
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55 | * @see com.iver.andami.plugins.IExtension#initialize()
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56 | */
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57 | public void initialize() { |
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58 | 38564 | jjdelcerro | IconThemeHelper.registerIcon("action", "selection-select-by-buffer", this); |
59 | IconThemeHelper.registerIcon("cursor", "cursor-select-by-buffer", this); |
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60 | 33404 | fdiaz | } |
61 | |||
62 | /*
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63 | * (non-Javadoc)
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64 | *
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65 | * @see com.iver.andami.plugins.IExtension#execute(java.lang.String)
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66 | */
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67 | public void execute(String actionCommand) { |
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68 | if (actionCommand.equals("SELBUFFER")) { |
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69 | IWindow win = PluginServices.getMDIManager().getActiveWindow(); |
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70 | |||
71 | if (win instanceof IView) { |
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72 | IView view = (IView) win; |
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73 | ViewDocument model = view.getViewDocument(); |
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74 | |||
75 | /*
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76 | * Unavaliable tool with views in geographic projections
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77 | */
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78 | if (!view.getMapControl().getProjection().isProjected()) {
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79 | JOptionPane.showMessageDialog(null, |
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80 | PluginServices.getText(null,
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81 | "Tool_unavaliable_with_view_in_geographic_projection"),
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82 | PluginServices.getText(this, "Warning"), |
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83 | JOptionPane.ERROR_MESSAGE);
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84 | return;
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85 | } |
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86 | |||
87 | MapContext mapContext = model.getMapContext(); |
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88 | |||
89 | // If there is at least one active vector layer that has
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90 | // geometries selected -> can use this tool, otherwise notifies
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91 | // the
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92 | // limitation in a JOptionPane
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93 | FLayer layers[] = mapContext.getLayers().getActives();
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94 | FLayer layer; |
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95 | ArrayList<FLyrVect> usefulLayers = new ArrayList<FLyrVect>(); |
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96 | int emptySelectionLayers = 0; |
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97 | |||
98 | for (int i = 0; i < layers.length; i++) { |
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99 | layer = layers[i]; |
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100 | |||
101 | if ((layer instanceof FLyrVect) && (layer.isAvailable()) |
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102 | && (layer.isActive())) { |
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103 | usefulLayers.add((FLyrVect) layer); |
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104 | try {
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105 | if (((FLyrVect) layer).getFeatureStore()
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106 | .getFeatureSelection() |
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107 | .isEmpty()) { |
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108 | emptySelectionLayers++; |
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109 | } |
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110 | } catch (DataException e) {
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111 | JOptionPane.showMessageDialog(null, |
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112 | PluginServices.getText(null,
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113 | "Failed_selecting_layer")
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114 | + ": "
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115 | + layer.getName(), |
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116 | PluginServices.getText(null, "Warning"), |
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117 | JOptionPane.WARNING_MESSAGE);
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118 | } |
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119 | } |
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120 | } |
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121 | |||
122 | if (usefulLayers.size() == 0 |
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123 | || emptySelectionLayers == usefulLayers.size()) { |
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124 | JOptionPane.showMessageDialog(null, |
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125 | PluginServices.getText(null,
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126 | "There_are_no_geometries_selected"),
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127 | PluginServices.getText(null, "Warning"), |
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128 | JOptionPane.WARNING_MESSAGE);
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129 | |||
130 | return;
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131 | } |
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132 | |||
133 | // Creates and displays the configuration panel
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134 | PluginServices.getMDIManager() |
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135 | .addWindow(new BufferConfigurationPanel((FLyrVect[]) usefulLayers.toArray(new FLyrVect[0]), |
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136 | view)); |
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137 | } |
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138 | } |
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139 | } |
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140 | |||
141 | /*
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142 | * @see com.iver.andami.plugins.IExtension#isVisible()
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143 | */
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144 | public boolean isVisible() { |
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145 | IWindow f = PluginServices.getMDIManager().getActiveWindow(); |
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146 | |||
147 | if (f == null) { |
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148 | return false; |
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149 | } |
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150 | |||
151 | if (f instanceof IView) { |
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152 | IView vista = (IView) f; |
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153 | ViewDocument model = vista.getViewDocument(); |
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154 | MapContext mapa = model.getMapContext(); |
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155 | |||
156 | return mapa.getLayers().getLayersCount() > 0; |
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157 | } |
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158 | |||
159 | return false; |
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160 | } |
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161 | |||
162 | /*
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163 | * @see com.iver.andami.plugins.IExtension#isEnabled()
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164 | */
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165 | public boolean isEnabled() { |
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166 | IWindow f = PluginServices.getMDIManager().getActiveWindow(); |
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167 | |||
168 | if (f == null) { |
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169 | return false; |
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170 | } |
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171 | |||
172 | if (f instanceof IView) { |
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173 | IView vista = (IView) f; |
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174 | ViewDocument model = vista.getViewDocument(); |
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175 | |||
176 | /*
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177 | * Unavaliable tool with views in geographic projections
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178 | */
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179 | if (!(vista.getMapControl().getProjection().isProjected())) {
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180 | return false; |
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181 | } |
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182 | |||
183 | MapContext mapa = model.getMapContext(); |
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184 | |||
185 | FLayer layers[] = mapa.getLayers().getActives();
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186 | FLayer layer; |
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187 | |||
188 | for (int i = 0; i < layers.length; i++) { |
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189 | layer = layers[i]; |
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190 | |||
191 | if ((layer instanceof FLyrVect) && (layer.isAvailable()) |
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192 | && (layer.isActive())) |
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193 | return true; |
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194 | } |
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195 | } |
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196 | |||
197 | return false; |
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198 | } |
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199 | } |