svn-gvsig-desktop / tags / v1_1_Build_1010 / extensions / extGeoProcessing / src / com / iver / cit / gvsig / geoprocess / manager / GeoprocessTree.java @ 12804
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1 | 5999 | azabala | /*
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2 | * Created on 21-jun-2006
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3 | *
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4 | * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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5 | *
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6 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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21 | *
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22 | * For more information, contact:
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23 | *
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24 | * Generalitat Valenciana
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25 | * Conselleria d'Infraestructures i Transport
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26 | * Av. Blasco Ib??ez, 50
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27 | * 46010 VALENCIA
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28 | * SPAIN
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29 | *
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30 | * +34 963862235
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31 | * gvsig@gva.es
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32 | * www.gvsig.gva.es
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33 | *
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34 | * or
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35 | *
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36 | * IVER T.I. S.A
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37 | * Salamanca 50
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38 | * 46005 Valencia
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39 | * Spain
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40 | *
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41 | * +34 963163400
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42 | * dac@iver.es
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43 | */
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44 | /* CVS MESSAGES:
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45 | *
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46 | * $Id$
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47 | * $Log$
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48 | 6490 | azabala | * Revision 1.4 2006-07-21 09:32:01 azabala
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49 | * fixed bug 644: disabling ok button untill user select a geoprocess
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50 | *
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51 | * Revision 1.3 2006/06/27 16:14:29 azabala
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52 | 6057 | azabala | * added geoprocess panel opening with user mouse interaction
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53 | *
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54 | * Revision 1.2 2006/06/23 19:04:23 azabala
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55 | 6019 | azabala | * bug for tree creation by namespacies resolved
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56 | *
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57 | * Revision 1.1 2006/06/22 17:46:30 azabala
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58 | 5999 | azabala | * first version in cvs
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59 | *
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60 | *
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61 | */
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62 | package com.iver.cit.gvsig.geoprocess.manager; |
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63 | |||
64 | 6057 | azabala | import java.awt.event.MouseListener; |
65 | 5999 | azabala | import java.util.Iterator; |
66 | |||
67 | import javax.swing.JFrame; |
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68 | import javax.swing.JScrollPane; |
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69 | import javax.swing.JTree; |
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70 | import javax.swing.event.TreeSelectionListener; |
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71 | import javax.swing.tree.DefaultMutableTreeNode; |
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72 | import javax.swing.tree.TreeSelectionModel; |
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73 | |||
74 | 6057 | azabala | import com.iver.andami.PluginServices; |
75 | 6019 | azabala | import com.iver.cit.gvsig.geoprocess.core.IGeoprocessPlugin; |
76 | import com.iver.cit.gvsig.geoprocess.impl.buffer.BufferGeoprocessPlugin; |
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77 | import com.iver.cit.gvsig.geoprocess.impl.clip.ClipGeoprocessPlugin; |
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78 | 5999 | azabala | import com.iver.utiles.extensionPoints.ExtensionPoint; |
79 | import com.iver.utiles.extensionPoints.ExtensionPoints; |
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80 | import com.iver.utiles.extensionPoints.ExtensionPointsSingleton; |
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81 | |||
82 | /**
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83 | * This component shows all registered geoprocesses in extension point
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84 | * "GeoprocessManager", in a tree style.
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85 | *
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86 | 6490 | azabala | * Its different subnodes represents an organization
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87 | 5999 | azabala | * of geoprocesses.
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88 | *
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89 | 6019 | azabala | * Leaf nodes are IGeoprocessPlugin instances.
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90 | 5999 | azabala | *
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91 | * @author azabala
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92 | *
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93 | */
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94 | public class GeoprocessTree extends JScrollPane implements IGeoprocessTree { |
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95 | 6057 | azabala | private static final long serialVersionUID = -6244491453178280294L; |
96 | 5999 | azabala | private JTree tree; |
97 | DefaultMutableTreeNode root;
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98 | final GeoprocessTreeDirectory ROOT = new GeoprocessTreeDirectory(); |
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99 | |||
100 | public GeoprocessTree() {
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101 | super();
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102 | root = new DefaultMutableTreeNode(); |
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103 | 6057 | azabala | ROOT.description = "";
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104 | 5999 | azabala | root.setUserObject(ROOT); |
105 | tree = new JTree(root); |
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106 | loadGeoprocesses(); |
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107 | tree.getSelectionModel().setSelectionMode( |
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108 | TreeSelectionModel.SINGLE_TREE_SELECTION);
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109 | // tree.setRootVisible(false);
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110 | tree.setShowsRootHandles(true);
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111 | setViewportView(tree); |
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112 | // tree.setCellRenderer( new JTreeEntidadesRenderer(listeners) );
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113 | } |
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114 | |||
115 | public static void main(String[] args){ |
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116 | JFrame f = new JFrame(); |
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117 | ExtensionPoints extensionPoints = |
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118 | ExtensionPointsSingleton.getInstance(); |
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119 | 6019 | azabala | extensionPoints.add("GeoprocessManager","BUFFER", BufferGeoprocessPlugin.class); |
120 | extensionPoints.add("GeoprocessManager","CLIP", ClipGeoprocessPlugin.class); |
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121 | GeoprocessManager tree = new GeoprocessManager();
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122 | 5999 | azabala | f.getContentPane().add(tree); |
123 | f.setSize(800,600); |
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124 | f.setVisible(true);
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125 | } |
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126 | |||
127 | private void loadGeoprocesses() { |
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128 | ExtensionPoints extensionPoints = |
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129 | ExtensionPointsSingleton.getInstance(); |
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130 | ExtensionPoint geoprocessManager = |
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131 | (ExtensionPoint)extensionPoints.get("GeoprocessManager");
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132 | if(geoprocessManager == null) |
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133 | return;
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134 | Iterator i = geoprocessManager.keySet().iterator();
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135 | while( i.hasNext() ) {
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136 | String nombre = (String)i.next(); |
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137 | Class metadataClass =
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138 | (Class) geoprocessManager.get(nombre);
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139 | try {
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140 | 6019 | azabala | register((IGeoprocessPlugin)metadataClass.newInstance()); |
141 | 5999 | azabala | } catch (InstantiationException e) { |
142 | // TODO Auto-generated catch block
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143 | e.printStackTrace(); |
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144 | } catch (IllegalAccessException e) { |
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145 | // TODO Auto-generated catch block
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146 | e.printStackTrace(); |
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147 | } |
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148 | } |
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149 | } |
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150 | |||
151 | 6490 | azabala | /**
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152 | * Registers a new geoprocess (linked to the plugin)
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153 | * in the geoprocess manager.
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154 | */
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155 | 6019 | azabala | public void register(IGeoprocessPlugin metadata) { |
156 | 5999 | azabala | String namespace = metadata.getNamespace();
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157 | String[] directories = getObjectsInPath(namespace); |
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158 | DefaultMutableTreeNode bestMatch = root;
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159 | DefaultMutableTreeNode scanned = null; |
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160 | int levelNum = 0; |
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161 | boolean doit = true; |
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162 | while(doit){
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163 | int numChilds = bestMatch.getChildCount();
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164 | if(numChilds == 0) |
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165 | break;
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166 | boolean match = true; |
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167 | for(int i = 0; i < numChilds; i++){ |
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168 | 6057 | azabala | match = true;//is true if we dont verify is false |
169 | 5999 | azabala | scanned = |
170 | (DefaultMutableTreeNode) bestMatch.getChildAt(i);
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171 | if(scanned.isLeaf() ||
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172 | 6019 | azabala | (scanned.getUserObject() instanceof IGeoprocessPlugin))//this is a geoprocess, not a directory |
173 | 5999 | azabala | { |
174 | doit = false;
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175 | if(scanned.getUserObject().getClass() == metadata.getClass()){
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176 | //we are trying to add the same geoprocess twice
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177 | return;
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178 | } |
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179 | break;
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180 | } |
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181 | |||
182 | GeoprocessTreeDirectory path = |
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183 | (GeoprocessTreeDirectory) scanned.getUserObject(); |
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184 | String[] pathStr = path.getPath(); |
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185 | //verify the length of the path
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186 | for(int j = 0; j < pathStr.length; j++){ |
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187 | if(!pathStr[j].equalsIgnoreCase(directories[j])){
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188 | match = false;
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189 | break;
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190 | } |
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191 | }//for num paths
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192 | 6019 | azabala | if(match){
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193 | 5999 | azabala | bestMatch = scanned; |
194 | 6019 | azabala | break;
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195 | } |
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196 | 5999 | azabala | }//for numChilds
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197 | |||
198 | if(! match)//si en el escaneo de nivel no se encontro nada, paramos |
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199 | doit = false;
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200 | else
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201 | levelNum++; |
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202 | }//while
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203 | |||
204 | //Llegados a este punto, tenemos el nodo que mejor casa
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205 | //si el numero de niveles recorridos es directories.length -1
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206 | //lo a?adimos directamente. Si no, hay que crear nuevos niveles
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207 | DefaultMutableTreeNode gpNode
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208 | = new DefaultMutableTreeNode(); |
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209 | gpNode.setUserObject(metadata); |
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210 | if(levelNum == directories.length -1){ |
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211 | bestMatch.add(gpNode); |
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212 | }else{
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213 | int numNewNodes = (directories.length - 1) - levelNum; |
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214 | DefaultMutableTreeNode prev = bestMatch;
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215 | for(int i = 0; i < numNewNodes; i++){ |
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216 | DefaultMutableTreeNode newNode =
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217 | new DefaultMutableTreeNode(); |
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218 | GeoprocessTreeDirectory path |
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219 | = new GeoprocessTreeDirectory();
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220 | String[] newPath = new String[levelNum + i + 1]; |
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221 | System.arraycopy(directories, 0, newPath, 0, (levelNum + i + 1)); |
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222 | path.path = newPath; |
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223 | newNode.setUserObject(path); |
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224 | String packageName = ""; |
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225 | for(int j = 0; j < newPath.length -1; j++){ |
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226 | packageName += newPath[j]; |
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227 | packageName += "/";
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228 | |||
229 | } |
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230 | packageName += newPath[newPath.length -1];
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231 | 6057 | azabala | String description = GeoprocessManager.
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232 | getDescriptionFor(packageName); |
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233 | 5999 | azabala | path.description = description; |
234 | prev.add(newNode); |
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235 | prev = newNode; |
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236 | }//for
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237 | prev.add(gpNode); |
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238 | }//else
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239 | |||
240 | } |
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241 | |||
242 | |||
243 | |||
244 | 6019 | azabala | public IGeoprocessPlugin getGeoprocess() {
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245 | 5999 | azabala | DefaultMutableTreeNode node = (DefaultMutableTreeNode) tree |
246 | .getLastSelectedPathComponent(); |
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247 | Object nodeInfo = node.getUserObject();
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248 | 6019 | azabala | if ((node == null) || !(nodeInfo instanceof IGeoprocessPlugin)) |
249 | 5999 | azabala | return null; |
250 | else {
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251 | 6019 | azabala | return (IGeoprocessPlugin)nodeInfo;
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252 | 5999 | azabala | } |
253 | } |
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254 | |||
255 | |||
256 | /**
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257 | * A directory of the geoprocesses path.
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258 | *
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259 | * @author azabala
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260 | *
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261 | */
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262 | class GeoprocessTreeDirectory { |
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263 | String[] path; |
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264 | |||
265 | String description;
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266 | |||
267 | public boolean equals(Object o) { |
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268 | if (!(o instanceof GeoprocessTreeDirectory)) |
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269 | return false; |
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270 | GeoprocessTreeDirectory d = (GeoprocessTreeDirectory) o; |
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271 | for(int i = 0; i < path.length; i++){ |
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272 | if(!path[i].equalsIgnoreCase(d.path[i]))
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273 | return false; |
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274 | } |
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275 | return true; |
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276 | } |
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277 | |||
278 | public String[] getPath() { |
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279 | return path;
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280 | } |
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281 | |||
282 | public String getDescription() { |
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283 | return description;
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284 | } |
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285 | |||
286 | public String toString(){ |
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287 | if(path != null && path.length > 0) |
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288 | return path[path.length-1]; |
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289 | else
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290 | 6057 | azabala | return PluginServices.getText(this, |
291 | "Geoprocesos");
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292 | 5999 | azabala | } |
293 | } |
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294 | |||
295 | private String[] getObjectsInPath(String path) { |
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296 | return path.split(PATH_SEPARATOR);
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297 | } |
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298 | |||
299 | 6019 | azabala | public void addTreeSelectionListener(TreeSelectionListener l) { |
300 | tree.addTreeSelectionListener(l); |
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301 | } |
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302 | 6057 | azabala | |
303 | public void addMouseListener(MouseListener l){ |
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304 | tree.addMouseListener(l); |
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305 | } |
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306 | 5999 | azabala | } |