Revision 7882 trunk/extensions/extGraph_predes/src/com/iver/cit/gvsig/graph/NetworkExtension.java
NetworkExtension.java | ||
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package com.iver.cit.gvsig.graph; |
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import java.io.File; |
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import javax.swing.JOptionPane; |
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import com.iver.andami.PluginServices; |
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import com.iver.andami.plugins.Extension; |
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import com.iver.andami.ui.mdiManager.IWindow; |
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import com.iver.cit.gvsig.ProjectExtension; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.MapContext; |
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import com.iver.cit.gvsig.fmap.MapControl; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.edition.EditionException; |
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import com.iver.cit.gvsig.fmap.edition.writers.dbf.DbfWriter; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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import com.iver.cit.gvsig.fmap.layers.SingleLayerIterator; |
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import com.iver.cit.gvsig.graph.core.NetworkLoader; |
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import com.iver.cit.gvsig.graph.core.NetworkWriter; |
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import com.iver.cit.gvsig.project.Project; |
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import com.iver.cit.gvsig.project.documents.table.ProjectTable; |
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import com.iver.cit.gvsig.project.documents.view.IProjectView; |
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import com.iver.cit.gvsig.project.documents.view.gui.IView; |
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import com.iver.cit.gvsig.project.documents.view.gui.View; |
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import edu.uci.ics.jung.graph.Graph; |
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public class NetworkExtension extends Extension { |
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// private String fieldType; |
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// private String fieldDist; |
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// private String fieldSense; |
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public void initialize() { |
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} |
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shapeType = lyrVect.getShapeType(); |
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if (shapeType == FShape.LINE) |
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{ |
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generateNetwork(lyrVect); |
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if (actionCommand.equalsIgnoreCase("GENERAR_RED")) { |
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generateNetwork(lyrVect); |
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} |
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if (actionCommand.equalsIgnoreCase("LOAD_RED")) { |
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loadNetwork(lyrVect); |
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} |
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} |
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} catch (DriverException e) { |
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// TODO Auto-generated catch block |
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} |
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} |
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if (actionCommand.equalsIgnoreCase("GENERAR_RED")) { |
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} |
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if (actionCommand.equalsIgnoreCase("LOAD_RED")) { |
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} |
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} |
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/** |
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* Suponemos que en el proyecto hay 2 tablas, una con los nodos |
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* y otro con los edges. |
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* Cargamos la red a partir de esas tablas y se la |
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* asociamos a la capa. A partir de ah?, nuestras |
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* herramientas pueden ver si la capa activa tiene |
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* asociada o no una red y ponerse visibles / invisibles |
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* Otra posible soluci?n es llevar nuestra propia lista de capas |
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* con red (que ser? peque?ita), y as?, en lugar de recorrer |
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* el MapContext, recorremos nuestra lista para ver la |
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* capa que est? activa y con red. Me empieza a preocupar |
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* que todas las herramientas iteren por la colecci?n de |
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* capas para habilitarse/deshabilitarse: |
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* 100 herramientas * 100 capas = 10.000 comprobaciones |
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* Si comprobar algo cuesta 1 mseg => 10 segundos!!! |
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* @param lyrVect |
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*/ |
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private void loadNetwork(FLyrVect lyrVect) { |
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// Aqu? mostrar un di?lgo para seleccionar las tablas |
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// de nodos y edges |
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// y hacer un mapping (si es necesario) entre los |
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// nombres de campos |
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String tableNodes = "Nodes"; |
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String tableEdges = "Edges"; |
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ProjectExtension projectExt = (ProjectExtension) PluginServices.getExtension(ProjectExtension.class); |
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ProjectTable ptNodes = projectExt.getProject().getTable(tableNodes); |
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ProjectTable ptEdges = projectExt.getProject().getTable(tableEdges); |
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SelectableDataSource sdsNodes = ptNodes.getModelo().getRecordset(); |
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SelectableDataSource sdsEdges = ptEdges.getModelo().getRecordset(); |
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NetworkLoader netLoader = new NetworkLoader(); |
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netLoader.setNodeReader(sdsNodes); |
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netLoader.setEdgeReader(sdsEdges); |
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Graph g = netLoader.loadNetwork(); |
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System.out.println("Num nodos=" + g.numVertices() + " numEdges = " + g.numEdges()); |
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lyrVect.setProperty("network", g); |
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} |
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private void generateNetwork(FLyrVect lyrVect) { |
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// TODO Auto-generated method stub |
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private void generateNetwork(FLyrVect lyr) { |
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NetworkWriter netBuilder = new NetworkWriter(); |
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// Por ahora, a pelo, pero hay que sacar un cuadro |
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// de di?logo para hecer el mapping. |
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// Tambi?n un cuadro de di?logo para seleccionar |
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// en qu? tablas quiere escribir, y su formato |
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// (dbf, postgres, etc) |
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String fieldType = "tipored"; String fieldDist = "length"; String fieldSense = "sen"; |
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try { |
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netBuilder.setLayer(lyr, fieldType, fieldDist, fieldSense); |
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DbfWriter nodeWriter = new DbfWriter(); |
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nodeWriter.setFile(new File("c:/nodes.dbf")); |
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DbfWriter edgeWriter = new DbfWriter(); |
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edgeWriter.setFile(new File("c:/edges.dbf")); |
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netBuilder.setEdgeWriter(edgeWriter); |
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netBuilder.setNodeWriter(nodeWriter); |
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netBuilder.writeNetwork(); |
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} catch (DriverException e1) { |
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// TODO Auto-generated catch block |
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e1.printStackTrace(); |
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} catch (EditionException e1) { |
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// TODO Auto-generated catch block |
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e1.printStackTrace(); |
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} |
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JOptionPane.showMessageDialog(null, "Hecho. "); |
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} |
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public boolean isEnabled() { |
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