svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.app / org.gvsig.app.mainplugin / src / main / java / org / gvsig / app / project / documents / view / toolListeners / InfoListener.java @ 43979
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1 | 40558 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40558 | 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 | 40558 | 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 | 40558 | 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 | 40558 | 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.app.project.documents.view.toolListeners; |
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25 | |||
26 | import java.awt.GridBagConstraints; |
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27 | import java.awt.Image; |
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28 | import java.util.HashMap; |
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29 | import java.util.Map; |
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30 | |||
31 | import org.slf4j.Logger; |
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32 | import org.slf4j.LoggerFactory; |
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33 | import org.gvsig.andami.PluginServices; |
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34 | import org.gvsig.andami.messages.NotificationManager; |
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35 | import org.gvsig.andami.ui.mdiManager.IWindow; |
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36 | import org.gvsig.andami.ui.mdiManager.SingletonWindow; |
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37 | import org.gvsig.app.ApplicationLocator; |
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38 | import org.gvsig.app.ApplicationManager; |
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39 | import org.gvsig.app.project.documents.view.info.gui.FInfoDialog; |
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40 | import org.gvsig.fmap.geom.primitive.Point; |
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41 | 40954 | jjdelcerro | import org.gvsig.fmap.mapcontext.MapContext; |
42 | 40435 | jjdelcerro | import org.gvsig.fmap.mapcontext.layers.FLayer; |
43 | import org.gvsig.fmap.mapcontext.layers.operations.InfoByPoint; |
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44 | import org.gvsig.fmap.mapcontrol.MapControl; |
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45 | import org.gvsig.fmap.mapcontrol.MapControlLocator; |
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46 | import org.gvsig.fmap.mapcontrol.swing.dynobject.LayersDynObjectSetComponent; |
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47 | import org.gvsig.fmap.mapcontrol.tools.BehaviorException; |
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48 | import org.gvsig.fmap.mapcontrol.tools.Events.PointEvent; |
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49 | import org.gvsig.fmap.mapcontrol.tools.Listeners.PointListener; |
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50 | import org.gvsig.tools.ToolsLocator; |
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51 | import org.gvsig.tools.dynobject.DynObjectSet; |
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52 | import org.gvsig.tools.extensionpoint.ExtensionPoint; |
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53 | import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
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54 | import org.gvsig.tools.extensionpoint.ExtensionSingleton; |
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55 | |||
56 | /**
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57 | * Listener that looks for information at the point selected by one
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58 | * click of any mouse's button, in the active layers of the associated
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59 | * <code>MapControl</code>, and displays that data on a {@link FInfoDialog
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60 | * FInfoDialog} dialog.
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61 | *
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62 | * @author -2009 Vicente Caballero Navarro
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63 | * @author 2009- gvSIG Team
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64 | */
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65 | public class InfoListener implements PointListener { |
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66 | |||
67 | /**
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68 | * Object used to log messages for this listener.
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69 | */
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70 | //
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71 | private static final Logger logger = LoggerFactory.getLogger(InfoListener.class); |
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72 | |||
73 | private static final String EP_INFOTOOL_NAME = "org.gvsig.app.infotool"; |
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74 | private static final String EP_INFOTOOL_RENDERER = "renderer"; |
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75 | |||
76 | public static void initializeExtensionPoint() { |
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77 | ExtensionPointManager manager = ToolsLocator.getExtensionPointManager(); |
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78 | ExtensionPoint point = manager.add(EP_INFOTOOL_NAME, "Register of data relative to infotool");
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79 | point.append( |
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80 | EP_INFOTOOL_RENDERER, |
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81 | "Renderer used to show in a panel the info by point tool.",
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82 | new DefaultInfoByPointRenderer()
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83 | ); |
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84 | } |
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85 | |||
86 | /**
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87 | * The image to display when the cursor is active.
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88 | */
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89 | private final Image img = PluginServices.getIconTheme() |
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90 | .get("cursor-info-by-point").getImage();
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91 | |||
92 | /**
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93 | * Reference to the <code>MapControl</code> object that uses.
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94 | */
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95 | private MapControl mapCtrl;
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96 | |||
97 | /**
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98 | * Radius as tolerance around the selected point, the area will be used to
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99 | * look for information.
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100 | */
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101 | private static int TOL = 7; |
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102 | |||
103 | /**
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104 | * <p>
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105 | * Creates a new <code>InfoListener</code> object.
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106 | * </p>
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107 | *
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108 | * @param mc
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109 | * the <code>MapControl</code> where will be applied the changes
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110 | */
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111 | public InfoListener(MapControl mc) {
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112 | this.mapCtrl = mc;
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113 | } |
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114 | |||
115 | public void point(PointEvent event) throws BehaviorException { |
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116 | try {
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117 | ApplicationManager application = ApplicationLocator.getManager(); |
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118 | int numLayersInfoable = 0; |
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119 | Point point = event.getMapPoint();
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120 | |||
121 | FLayer[] sel = mapCtrl.getMapContext().getLayers().getActives();
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122 | Map<String, DynObjectSet> layer2info = |
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123 | new HashMap<String, DynObjectSet>(sel.length); |
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124 | |||
125 | for (int i = 0; i < sel.length; i++) { |
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126 | FLayer laCapa = sel[i]; |
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127 | 43979 | omartinez | |
128 | 40435 | jjdelcerro | if (laCapa instanceof InfoByPoint) { |
129 | InfoByPoint layer = (InfoByPoint) laCapa; |
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130 | 43979 | omartinez | int layerTolerance = laCapa.getDefaultTolerance();
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131 | double tolerance = mapCtrl.getViewPort().toMapDistance(layerTolerance);
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132 | 40435 | jjdelcerro | DynObjectSet info = layer.getInfo(point, tolerance); |
133 | layer2info.put(laCapa.getName(), info); |
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134 | numLayersInfoable++; |
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135 | } |
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136 | } |
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137 | |||
138 | if (numLayersInfoable == 0) { |
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139 | return;
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140 | } |
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141 | |||
142 | ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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143 | InfoByPointRenderer renderer = (InfoByPointRenderer)extensionPoints.get(EP_INFOTOOL_NAME).create(EP_INFOTOOL_RENDERER); |
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144 | 40954 | jjdelcerro | if( renderer instanceof DefaultInfoByPointRenderer ) { |
145 | ((DefaultInfoByPointRenderer)renderer).setMapContext(this.mapCtrl.getMapContext());
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146 | } |
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147 | 40435 | jjdelcerro | IWindow window = renderer.getPanel(layer2info); |
148 | |||
149 | if (window == null) { |
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150 | logger.info("Error. Unable to create info panel.");
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151 | return;
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152 | } |
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153 | |||
154 | PluginServices.getMDIManager().addWindow(window, GridBagConstraints.LAST_LINE_END);
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155 | |||
156 | } catch (Exception e) { |
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157 | NotificationManager.addError("Info by Point", e);
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158 | e.printStackTrace(); |
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159 | } |
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160 | } |
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161 | |||
162 | /**
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163 | * @param window
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164 | * @return whether the window is currently one the app windows
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165 | */
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166 | private boolean isCurrentlyAdded(IWindow iw) { |
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167 | |||
168 | IWindow[] iws = PluginServices.getMDIManager().getAllWindows();
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169 | for (int i=0; i<iws.length; i++) { |
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170 | if (iws[i] == iw) {
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171 | return true; |
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172 | } |
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173 | } |
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174 | return false; |
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175 | } |
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176 | |||
177 | public Image getImageCursor() { |
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178 | return img;
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179 | } |
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180 | |||
181 | public boolean cancelDrawing() { |
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182 | return false; |
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183 | } |
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184 | |||
185 | public void pointDoubleClick(PointEvent event) throws BehaviorException { |
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186 | // Nothing to do
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187 | } |
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188 | |||
189 | public interface InfoByPointRenderer { |
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190 | |||
191 | public SingletonWindow getPanel(Map<String, DynObjectSet> layersInfo); |
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192 | |||
193 | } |
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194 | |||
195 | public static class DefaultInfoByPointRenderer implements InfoByPointRenderer, ExtensionSingleton { |
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196 | |||
197 | private FInfoDialog dlgInfo = null; |
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198 | 40954 | jjdelcerro | private MapContext mapContext;
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199 | 40435 | jjdelcerro | |
200 | 40954 | jjdelcerro | public void setMapContext(MapContext mapContext) { |
201 | this.mapContext = mapContext;
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202 | } |
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203 | |||
204 | 40435 | jjdelcerro | public SingletonWindow getPanel(Map<String, DynObjectSet> layersInfo) { |
205 | // TODO: set the writable parameter to true to activate
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206 | // edition of the info by point information.
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207 | LayersDynObjectSetComponent infoComponent = |
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208 | MapControlLocator.getMapControlManager() |
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209 | .createLayersDynObjectSetComponent(layersInfo, false);
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210 | 40954 | jjdelcerro | infoComponent.setMapContext(mapContext); |
211 | 40435 | jjdelcerro | if (dlgInfo == null) { |
212 | dlgInfo = new FInfoDialog(infoComponent);
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213 | } else {
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214 | dlgInfo.setInfo(infoComponent); |
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215 | } |
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216 | return dlgInfo;
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217 | } |
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218 | |||
219 | } |
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220 | |||
221 | |||
222 | } |