svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.geometrymeasurement.app / org.gvsig.geometrymeasurement.app.mainplugin / src / main / java / org / gvsig / geometrymeasurement / app / extension / AbstractGeometryMeasurementExtension.java @ 40557
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1 | 40557 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40557 | 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 | 40557 | 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 | * 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 | 40557 | 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.geometrymeasurement.app.extension; |
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25 | |||
26 | import java.awt.Component; |
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27 | import java.util.Locale; |
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28 | |||
29 | import javax.swing.JOptionPane; |
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30 | |||
31 | import org.slf4j.Logger; |
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32 | import org.slf4j.LoggerFactory; |
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33 | |||
34 | import org.gvsig.andami.PluginServices; |
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35 | import org.gvsig.andami.messages.NotificationManager; |
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36 | import org.gvsig.andami.plugins.Extension; |
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37 | import org.gvsig.andami.ui.mdiManager.IWindow; |
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38 | import org.gvsig.app.ApplicationLocator; |
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39 | import org.gvsig.app.project.documents.table.TableDocument; |
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40 | import org.gvsig.app.project.documents.table.gui.FeatureTableDocumentPanel; |
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41 | import org.gvsig.fmap.dal.exception.DataException; |
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42 | import org.gvsig.fmap.dal.exception.ReadException; |
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43 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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44 | import org.gvsig.fmap.dal.feature.FeatureType; |
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45 | import org.gvsig.fmap.geom.type.GeometryType; |
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46 | import org.gvsig.i18n.Messages; |
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47 | |||
48 | /**
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49 | * Abstract class for Geometry measurement operations extensions.
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50 | *
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51 | * @author gvSIG Team
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52 | * @version $Id$
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53 | */
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54 | public abstract class AbstractGeometryMeasurementExtension extends Extension { |
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55 | |||
56 | private static final Logger LOG = LoggerFactory |
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57 | .getLogger(AbstractGeometryMeasurementExtension.class); |
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58 | |||
59 | //Just to know if the resources has been initialized
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60 | private static boolean isInitialized = false; |
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61 | |||
62 | public void initialize() { |
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63 | if (!isInitialized){
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64 | //Register the strings
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65 | if (!Messages.hasLocales()) {
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66 | Messages.addLocale(Locale.getDefault());
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67 | } |
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68 | |||
69 | Messages.addResourceFamily( |
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70 | "org.gvsig.geometrymeasurement.app.extension.i18n.text",
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71 | AbstractGeometryMeasurementExtension.class.getClassLoader(), |
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72 | AbstractGeometryMeasurementExtension.class.getClass().getName()); |
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73 | |||
74 | //Register the icons
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75 | |||
76 | isInitialized = true;
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77 | } |
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78 | } |
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79 | |||
80 | public boolean isEnabled() { |
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81 | TableDocument tableDocument; |
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82 | String name = "unknow"; |
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83 | try {
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84 | tableDocument = getActiveTableDocument(); |
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85 | if (tableDocument != null) { |
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86 | name = tableDocument.getName(); |
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87 | return (tableDocument != null && tableDocument.getStore().allowWrite()); |
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88 | } |
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89 | } catch (Throwable e) { |
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90 | LOG.info("Error accesing to the table document ("+name+")", e); |
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91 | } |
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92 | return false; |
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93 | } |
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94 | |||
95 | public final boolean isVisible() { |
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96 | TableDocument tableDocument; |
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97 | String name = "unknow"; |
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98 | try {
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99 | tableDocument = getActiveTableDocument(); |
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100 | if (tableDocument != null) { |
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101 | name = tableDocument.getName(); |
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102 | return isVisibleForTable(tableDocument);
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103 | } |
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104 | } catch (Throwable e) { |
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105 | LOG.info("Error accesing to the table document ("+name+")", e); |
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106 | } |
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107 | return false; |
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108 | } |
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109 | |||
110 | /**
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111 | * Returns if the current extension is visible for the provided
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112 | * table.
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113 | *
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114 | * The provided table will be always non null.
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115 | *
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116 | * @param layer
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117 | * the active table
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118 | * @return if the extension is visible
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119 | */
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120 | protected abstract boolean isVisibleForTable(TableDocument tableDocument); |
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121 | |||
122 | /**
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123 | * Returns the active table document. If the active document is not a table,
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124 | * or if the table has not a geometry, return null.
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125 | *
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126 | * @return the active table document
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127 | * @throws DataException
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128 | */
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129 | protected TableDocument getActiveTableDocument() throws DataException { |
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130 | IWindow window = PluginServices.getMDIManager().getActiveWindow(); |
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131 | |||
132 | if (window instanceof FeatureTableDocumentPanel) { |
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133 | FeatureTableDocumentPanel table = (FeatureTableDocumentPanel) window; |
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134 | TableDocument tableDocument = (TableDocument)table.getDocument(); |
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135 | if (tableDocument.getStore().getDefaultFeatureType().getDefaultGeometryAttribute() != null){ |
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136 | return tableDocument;
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137 | } |
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138 | |||
139 | } |
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140 | return null; |
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141 | } |
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142 | |||
143 | protected boolean isStoreOfAnyType(TableDocument tableDocument, int[] geomTypes) { |
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144 | try {
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145 | FeatureType featureType = tableDocument.getStore().getDefaultFeatureType(); |
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146 | GeometryType geometryType = featureType.getDefaultGeometryAttribute().getGeomType(); |
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147 | for (int i = 0; i < geomTypes.length; i++) { |
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148 | if (geometryType.isTypeOf(geomTypes[i])) {
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149 | return true; |
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150 | } |
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151 | } |
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152 | } catch (ReadException e) {
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153 | LOG.error("Error reading the geometry type", e);
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154 | } catch (DataException e) {
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155 | LOG.error("Error reading the geometry type", e);
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156 | } |
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157 | return false; |
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158 | } |
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159 | |||
160 | public void execute(String actionCommand) { |
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161 | try {
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162 | TableDocument tableDocument = getActiveTableDocument(); |
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163 | if (tableDocument == null) { |
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164 | return;
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165 | } |
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166 | Component parentWindow =
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167 | (Component)ApplicationLocator.getManager().getUIManager().getActiveWindow();
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168 | int addField = JOptionPane.showConfirmDialog(parentWindow, Messages.getText("new_field_query"), |
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169 | Messages.getText("info"), JOptionPane.YES_NO_OPTION); |
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170 | |||
171 | if (addField == JOptionPane.YES_OPTION){ |
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172 | FeatureStore featureStore = tableDocument.getStore(); |
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173 | execute(actionCommand, featureStore); |
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174 | } |
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175 | } catch (Exception e) { |
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176 | LOG.error("Not possible to add the new field", e);
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177 | NotificationManager.addError(e); |
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178 | } |
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179 | } |
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180 | |||
181 | /**
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182 | * Executes a command for the given {@link FeatureStore}.
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183 | *
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184 | * @param actionCommand
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185 | * to execute
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186 | * @param featureStore
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187 | * to use
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188 | * @throws Exception
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189 | * if there is an error while executing
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190 | */
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191 | protected abstract void execute(String actionCommand, |
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192 | FeatureStore featureStore) throws Exception; |
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193 | |||
194 | } |