svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.app / org.gvsig.app.mainplugin / src / main / java / org / gvsig / app / extension / SelectByAttributesExtension.java @ 44601
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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 | 41248 | jjdelcerro | * This program is free software; you can redistribute it and/or modify it under
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7 | * the terms of the GNU General Public License as published by the Free Software
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8 | * Foundation; either version 3 of the License, or (at your option) any later
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9 | * version.
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10 | 40435 | jjdelcerro | *
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11 | 41248 | jjdelcerro | * This program is distributed in the hope that it will be useful, but WITHOUT
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12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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13 | * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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14 | * details.
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15 | 40435 | jjdelcerro | *
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16 | 41248 | jjdelcerro | * You should have received a copy of the GNU General Public License along with
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17 | * this program; if not, write to the Free Software Foundation, Inc., 51
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18 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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19 | 40435 | jjdelcerro | *
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20 | 41248 | jjdelcerro | * For any additional information, do not hesitate to contact us at info AT
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21 | * gvsig.com, or visit our website www.gvsig.com.
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22 | 40435 | jjdelcerro | */
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23 | package org.gvsig.app.extension; |
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24 | |||
25 | import java.util.Iterator; |
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26 | 44601 | omartinez | import java.util.List; |
27 | 40435 | jjdelcerro | |
28 | import javax.swing.JOptionPane; |
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29 | |||
30 | import org.gvsig.andami.IconThemeHelper; |
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31 | import org.gvsig.andami.PluginServices; |
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32 | import org.gvsig.andami.messages.NotificationManager; |
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33 | import org.gvsig.andami.plugins.Extension; |
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34 | 40955 | jldominguez | import org.gvsig.app.ApplicationLocator; |
35 | 41248 | jjdelcerro | import org.gvsig.app.ApplicationManager; |
36 | 40435 | jjdelcerro | import org.gvsig.app.gui.filter.ExpressionListener; |
37 | import org.gvsig.app.gui.filter.FilterDialog; |
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38 | import org.gvsig.app.project.documents.view.ViewDocument; |
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39 | 41264 | jjdelcerro | import org.gvsig.app.project.documents.view.gui.IView; |
40 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.DALLocator; |
41 | import org.gvsig.fmap.dal.DataManager; |
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42 | import org.gvsig.fmap.dal.exception.DataException; |
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43 | import org.gvsig.fmap.dal.feature.Feature; |
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44 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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45 | import org.gvsig.fmap.dal.feature.FeatureSelection; |
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46 | import org.gvsig.fmap.dal.feature.FeatureSet; |
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47 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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48 | import org.gvsig.fmap.mapcontext.layers.FLayer; |
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49 | 44601 | omartinez | import org.gvsig.fmap.mapcontext.layers.FLayers; |
50 | 40435 | jjdelcerro | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
51 | 40955 | jldominguez | import org.gvsig.i18n.Messages; |
52 | 43987 | jjdelcerro | import org.gvsig.tools.swing.api.windowmanager.WindowManager; |
53 | 40435 | jjdelcerro | import org.gvsig.utils.exceptionHandling.ExceptionListener; |
54 | |||
55 | /**
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56 | * Extensi?n que abre un di?logo para poder hacer un filtro de una capa o tabla.
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57 | 41248 | jjdelcerro | *
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58 | 40435 | jjdelcerro | * @author Vicente Caballero Navarro
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59 | */
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60 | 43987 | jjdelcerro | @SuppressWarnings("UseSpecificCatch") |
61 | 41641 | jjdelcerro | public class SelectByAttributesExtension extends Extension implements ExpressionListener { |
62 | 40435 | jjdelcerro | |
63 | protected FeatureStore featureStore = null; |
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64 | private String filterTitle; |
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65 | |||
66 | 43987 | jjdelcerro | @Override
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67 | 40435 | jjdelcerro | public void initialize() { |
68 | 41641 | jjdelcerro | IconThemeHelper.registerIcon("action", "selection-by-attributes", this); |
69 | 40435 | jjdelcerro | } |
70 | |||
71 | 43987 | jjdelcerro | @Override
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72 | 40435 | jjdelcerro | public void execute(String actionCommand) { |
73 | 41264 | jjdelcerro | ApplicationManager application = ApplicationLocator.getManager(); |
74 | |||
75 | IView view = (IView) application.getActiveComponent(ViewDocument.class); |
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76 | if (view == null) { |
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77 | return;
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78 | } |
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79 | 44011 | jjdelcerro | if ("selection-by-attributes-layer".equals(actionCommand)) { |
80 | 43987 | jjdelcerro | ViewDocument document = view.getViewDocument(); |
81 | |||
82 | 44601 | omartinez | FLayer layer = document.getMapContext().getLayers().getFirstActiveVectorLayer(); |
83 | 41744 | jjdelcerro | filterTitle = layer.getName(); |
84 | 41248 | jjdelcerro | featureStore = ((FLyrVect) layer).getFeatureStore(); |
85 | document.setModified(true);
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86 | 44011 | jjdelcerro | SelectByAttributes selector = new SelectByAttributes();
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87 | selector.showWindow(filterTitle, featureStore, WindowManager.MODE.TOOL); |
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88 | 43987 | jjdelcerro | |
89 | 44011 | jjdelcerro | |
90 | } else if ("selection-by-attributes-layer-old".equals(actionCommand)) { |
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91 | 43987 | jjdelcerro | ViewDocument document = view.getViewDocument(); |
92 | |||
93 | FLayer layer = document.getMapContext().getLayers().getActives()[0];
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94 | filterTitle = layer.getName(); |
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95 | featureStore = ((FLyrVect) layer).getFeatureStore(); |
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96 | document.setModified(true);
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97 | 40435 | jjdelcerro | doExecute(); |
98 | } |
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99 | } |
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100 | |||
101 | /**
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102 | * "execute" method action.
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103 | 41248 | jjdelcerro | *
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104 | 40435 | jjdelcerro | */
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105 | protected void doExecute() { |
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106 | FilterDialog dlg = new FilterDialog(filterTitle);
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107 | dlg.addExpressionListener(this);
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108 | dlg.addExceptionListener(new ExceptionListener() { |
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109 | |||
110 | 43987 | jjdelcerro | @Override
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111 | 40435 | jjdelcerro | public void exceptionThrown(Throwable t) { |
112 | NotificationManager.addError(t.getMessage(), t); |
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113 | } |
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114 | }); |
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115 | dlg.setModel(featureStore); |
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116 | PluginServices.getMDIManager().addWindow(dlg); |
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117 | } |
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118 | |||
119 | 43987 | jjdelcerro | @Override
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120 | 40435 | jjdelcerro | public boolean isEnabled() { |
121 | 44437 | jjdelcerro | ApplicationManager application = ApplicationLocator.getManager(); |
122 | |||
123 | IView view = (IView) application.getActiveComponent(ViewDocument.class); |
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124 | if (view == null) { |
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125 | return false; |
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126 | } |
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127 | ViewDocument document = view.getViewDocument(); |
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128 | 44601 | omartinez | if (document == null) { |
129 | 44437 | jjdelcerro | return false; |
130 | } |
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131 | 44601 | omartinez | |
132 | FLayers layers = document.getMapContext().getLayers(); |
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133 | List<FLayer> activeLayers = layers.getLayers(
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134 | FLayers.LAYER_ACTIVE |
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135 | .and(FLayers.LAYER_AVALAIBLE) |
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136 | .and(FLayers.LAYER_FLYRVECT) |
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137 | ); |
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138 | if (activeLayers.size() != 1) { |
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139 | return false; |
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140 | 44437 | jjdelcerro | } |
141 | 44601 | omartinez | List<FLayer> selectivedLayers = document.getMapContext().getLayers().getLayers(
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142 | FLayers.LAYER_ACTIVE |
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143 | .and(FLayers.LAYER_AVALAIBLE) |
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144 | .and(FLayers.LAYER_SELECTION_AVAILABLE) |
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145 | ); |
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146 | if (selectivedLayers.size()==1) { |
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147 | return true; |
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148 | } |
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149 | |||
150 | return false; |
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151 | 40435 | jjdelcerro | } |
152 | |||
153 | 43987 | jjdelcerro | @Override
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154 | 40435 | jjdelcerro | public boolean isVisible() { |
155 | 41248 | jjdelcerro | ApplicationManager application = ApplicationLocator.getManager(); |
156 | 40435 | jjdelcerro | |
157 | 41264 | jjdelcerro | IView view = (IView) application.getActiveComponent(ViewDocument.class); |
158 | if (view == null) { |
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159 | 40435 | jjdelcerro | return false; |
160 | } |
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161 | 41264 | jjdelcerro | ViewDocument document = view.getViewDocument(); |
162 | 41248 | jjdelcerro | return document.getMapContext().hasActiveVectorLayers();
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163 | 40435 | jjdelcerro | } |
164 | |||
165 | // By Pablo: if no filter expression -> no element selected
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166 | 43987 | jjdelcerro | @Override
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167 | 40435 | jjdelcerro | public void newSet(String expression) throws DataException { |
168 | if (!this.filterExpressionFromWhereIsEmpty(expression)) { |
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169 | FeatureSet set = null;
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170 | try {
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171 | set = doSet(expression); |
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172 | |||
173 | if (set == null) { |
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174 | // throw new RuntimeException("Not a 'where' clause?");
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175 | return;
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176 | } |
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177 | featureStore.setSelection(set); |
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178 | |||
179 | } catch (Exception e) { |
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180 | 41248 | jjdelcerro | |
181 | 40955 | jldominguez | JOptionPane.showMessageDialog(
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182 | 41248 | jjdelcerro | ApplicationLocator.getManager().getRootComponent(), |
183 | Messages.getText("expresion_error") + ":\n" |
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184 | 40955 | jldominguez | + getLastMessage(e), |
185 | 41248 | jjdelcerro | Messages.getText("expresion_error"),
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186 | JOptionPane.ERROR_MESSAGE);
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187 | 40435 | jjdelcerro | } finally {
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188 | if (set != null) { |
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189 | set.dispose(); |
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190 | } |
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191 | } |
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192 | } else {
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193 | // By Pablo: if no expression -> no element selected
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194 | featureStore.getFeatureSelection().deselectAll(); |
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195 | } |
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196 | } |
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197 | |||
198 | private FeatureSet doSet(String expression) throws DataException { |
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199 | FeatureQuery query = featureStore.createFeatureQuery(); |
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200 | DataManager manager = DALLocator.getDataManager(); |
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201 | query.setFilter(manager.createExpresion(expression)); |
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202 | return featureStore.getFeatureSet(query);
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203 | } |
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204 | |||
205 | 43987 | jjdelcerro | @Override
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206 | 40435 | jjdelcerro | public void addToSet(String expression) throws DataException { |
207 | // By Pablo: if no filter expression -> don't add more elements to set
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208 | if (!this.filterExpressionFromWhereIsEmpty(expression)) { |
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209 | FeatureSet set = null;
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210 | try {
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211 | set = doSet(expression); |
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212 | |||
213 | if (set == null) { |
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214 | // throw new RuntimeException("Not a 'where' clause?");
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215 | return;
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216 | } |
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217 | featureStore.getFeatureSelection().select(set); |
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218 | } finally {
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219 | if (set != null) { |
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220 | set.dispose(); |
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221 | } |
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222 | } |
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223 | } |
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224 | } |
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225 | |||
226 | 43987 | jjdelcerro | @Override
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227 | 40435 | jjdelcerro | public void fromSet(String expression) throws DataException { |
228 | // By Pablo: if no filter expression -> no element selected
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229 | try {
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230 | if (!this.filterExpressionFromWhereIsEmpty(expression)) { |
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231 | // NotificationManager.showMessageInfo("Falta por implementar",
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232 | // null);
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233 | |||
234 | 43987 | jjdelcerro | FeatureSet set; |
235 | 40435 | jjdelcerro | set = doSet(expression); |
236 | |||
237 | if (set == null) { |
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238 | throw new RuntimeException("Not a 'where' clause?"); |
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239 | } |
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240 | |||
241 | 41248 | jjdelcerro | FeatureSelection oldSelection |
242 | = featureStore.getFeatureSelection(); |
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243 | 40435 | jjdelcerro | |
244 | 41248 | jjdelcerro | FeatureSelection newSelection |
245 | = featureStore.createFeatureSelection(); |
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246 | 40435 | jjdelcerro | Iterator iterator = set.iterator();
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247 | while (iterator.hasNext()) {
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248 | Feature feature = (Feature) iterator.next(); |
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249 | if (oldSelection.isSelected(feature)) {
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250 | newSelection.select(feature); |
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251 | } |
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252 | } |
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253 | featureStore.setSelection(newSelection); |
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254 | set.dispose(); |
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255 | |||
256 | } else {
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257 | // By Pablo: if no expression -> no element selected
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258 | featureStore.getFeatureSelection().deselectAll(); |
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259 | } |
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260 | } catch (DataException e) {
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261 | NotificationManager.addError(e); |
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262 | } |
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263 | |||
264 | } |
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265 | |||
266 | /**
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267 | * Returns true if the WHERE subconsultation of the filterExpression is
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268 | * empty ("")
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269 | 41248 | jjdelcerro | *
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270 | 40435 | jjdelcerro | * @author Pablo Piqueras Bartolom? (p_queras@hotmail.com)
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271 | 41248 | jjdelcerro | * @param expression An string
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272 | 40435 | jjdelcerro | * @return A boolean value
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273 | */
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274 | private boolean filterExpressionFromWhereIsEmpty(String expression) { |
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275 | 41248 | jjdelcerro | |
276 | 40435 | jjdelcerro | if (expression == null) { |
277 | return true; |
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278 | } |
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279 | 41248 | jjdelcerro | |
280 | 40435 | jjdelcerro | String subExpression = expression.trim();
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281 | 41248 | jjdelcerro | |
282 | 40435 | jjdelcerro | if (subExpression.length() == 0) { |
283 | return true; |
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284 | } |
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285 | 41248 | jjdelcerro | |
286 | 40435 | jjdelcerro | int pos;
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287 | |||
288 | // Remove last ';' if exists
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289 | if (subExpression.charAt(subExpression.length() - 1) == ';') { |
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290 | 41248 | jjdelcerro | subExpression |
291 | = subExpression.substring(0, subExpression.length() - 1).trim(); |
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292 | 40435 | jjdelcerro | } |
293 | |||
294 | // If there is no 'where' clause
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295 | if ((pos = subExpression.indexOf("where")) == -1) { |
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296 | return false; |
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297 | } |
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298 | |||
299 | // If there is no subexpression in the WHERE clause -> true
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300 | 41248 | jjdelcerro | // + 5 is the length of 'where'
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301 | subExpression = subExpression.substring(pos + 5, subExpression.length()).trim();
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302 | 40435 | jjdelcerro | if (subExpression.length() == 0) { |
303 | return true; |
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304 | } else {
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305 | return false; |
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306 | } |
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307 | } |
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308 | 41248 | jjdelcerro | |
309 | 40955 | jldominguez | private String getLastMessage(Throwable ex) { |
310 | 41248 | jjdelcerro | |
311 | 40955 | jldominguez | Throwable p = ex;
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312 | while (p.getCause() != null && p.getCause() != p) { |
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313 | p = p.getCause(); |
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314 | } |
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315 | return p.getMessage();
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316 | 41248 | jjdelcerro | } |
317 | } |