svn-gvsig-desktop / trunk / extensions / extRemoteSensing / src / org / gvsig / remotesensing / decisiontrees / gui / DecisionTreePanel.java @ 17773
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 Instituto de Desarrollo Regional and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Iba?ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)
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* Campus Universitario s/n
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* 02071 Alabacete
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* Spain
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*
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* +34 967 599 200
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*/
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package org.gvsig.remotesensing.decisiontrees.gui; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.Dimension; |
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import java.awt.geom.Rectangle2D; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import javax.swing.BorderFactory; |
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import javax.swing.JMenuItem; |
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import javax.swing.JPopupMenu; |
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import javax.swing.JScrollPane; |
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import javax.swing.JTabbedPane; |
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import org.gvsig.gui.beans.buttonspanel.ButtonsPanel; |
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import org.gvsig.gui.beans.defaultbuttonspanel.DefaultButtonsPanel; |
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import org.gvsig.remotesensing.decisiontrees.DecisionTreeNode; |
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import org.gvsig.remotesensing.decisiontrees.gui.listener.DecisionTreePanelListener; |
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import org.gvsig.remotesensing.gui.beans.OptionsPanel; |
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import org.jgraph.JGraph; |
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import org.jgraph.graph.DefaultEdge; |
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import org.jgraph.graph.DefaultGraphCell; |
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import org.jgraph.graph.DefaultGraphModel; |
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import org.jgraph.graph.DefaultPort; |
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import org.jgraph.graph.GraphConstants; |
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import org.jgraph.graph.GraphModel; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.project.documents.view.gui.View; |
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/**
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* Panel para la herramienta de ?rboles de decisi?n.
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*
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* @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)
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*
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*/
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public class DecisionTreePanel extends DefaultButtonsPanel { |
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/**
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*
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*/
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private static final long serialVersionUID = 2800193252856199039L; |
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private static final Color[] colors = new Color[] {Color.RED, Color.GREEN, Color.BLUE, Color.YELLOW, Color.MAGENTA, Color.CYAN, |
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Color.ORANGE, Color.PINK, Color.WHITE, Color.BLACK}; |
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public static final int POSITION_LEFT = 0; |
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public static final int POSITION_RIGHT = 1; |
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private JGraph jGraph = null; |
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private DecisionTreeDialog decisionTreeDialog = null; |
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private JScrollPane scrollPane = null; |
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private JPopupMenu jPopupMenu = null; |
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private JMenuItem addMenuItem = null; |
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private JMenuItem deleteMenuItem = null; |
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private JMenuItem executeMenuItem = null; |
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private DecisionTreeNode root = null; |
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private DecisionTreePanelListener listener = null; |
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private DefaultGraphCell selectedCell = null; |
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private View view = null; |
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private JTabbedPane tabbedPanel = null; |
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private OptionsPanel outputOptionsPanel = null; |
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/**
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* Tabla de variables y sus asociaciones con las bandas(layerName[bandN]).
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*/
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private HashMap varTable = null; |
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private HashMap classColors = null; |
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public DecisionTreePanel(DecisionTreeDialog decisionTreeDialog, View view) { |
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super(ButtonsPanel.BUTTONS_APPLYCLOSE);
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this.view = view;
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this.decisionTreeDialog = decisionTreeDialog;
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initialize(); |
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} |
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private void initialize() { |
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initTree(); |
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reloadGraph(); |
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// add(getScrollPane());
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add(getTabbedPanel()); |
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listener = new DecisionTreePanelListener(this); |
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getAddMenuItem().addActionListener(listener); |
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getDeleteMenuItem().addActionListener(listener); |
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getExecuteMenuItem().addActionListener(listener); |
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getJGraph().addMouseListener(listener); |
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this.addButtonPressedListener(listener);
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} |
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private Component getTabbedPanel() { |
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if (tabbedPanel==null){ |
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tabbedPanel = new JTabbedPane(); |
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tabbedPanel.addTab(PluginServices.getText(this, "arbol_decision"), getScrollPane()); |
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tabbedPanel.addTab("opciones_salida", getOutputOptionsPanel());
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} |
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return tabbedPanel;
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} |
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/**
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* Crea el ?rbol de decisi?n inicial
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*
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*/
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private void initTree() { |
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root = new DecisionTreeNode();
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root.addChildren(); |
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root.setExpression("");
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root.getLeftChild().setClassID(generateClassId()); |
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root.getRightChild().setClassID(generateClassId()); |
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} |
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public void initJGraph(){ |
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jGraph = null;
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} |
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/**
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* Reconstruye el gr?fico a partir del ?rbol (root).
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*
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*/
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public void reloadGraph(){ |
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/*
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* Limpiar el gr?fico.
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*/
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getJGraph().getGraphLayoutCache().remove(getJGraph().getGraphLayoutCache().getCells(false, true, false, true),true,true); |
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getJGraph().getGraphLayoutCache().reload(); |
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/*
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* Construir el gr?fico a partir el ?rbol.
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*/
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insertCells(root,null,-1); |
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} |
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/**
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* Inserta recursivamente en el gr?fico los nodos y arcos el ?rbol que radica en <code>node</node>
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* en el gr?fico.
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*
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* @param node nodo raiz del sub?rbol.
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* @param parent nodo antecesor del sub?rbol a insertar
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* @param position indica si <code>node</node> es el hijo izquierdo (0) o derecho (1) de <code>parent</code>
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*/
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public void insertCells(DecisionTreeNode node, DefaultGraphCell parent, int position) { |
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int x = 0; |
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int y = 0; |
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int w = 40; |
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int h = 40; |
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if(parent==null){ |
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y = 10;
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x = getScrollPane().getPreferredSize().width/2 - 20; |
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} |
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else{
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int leftLevels = ((DecisionTreeNode)parent.getUserObject()).getLeftChild().getLevelsCount();
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int rightLevels = ((DecisionTreeNode)parent.getUserObject()).getRightChild().getLevelsCount();
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int minLevels = Math.min(leftLevels, rightLevels); |
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y = ((int)GraphConstants.getBounds(parent.getAttributes()).getMaxY())+50; |
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if(position==POSITION_LEFT)
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x = ((int)GraphConstants.getBounds(parent.getAttributes()).getMinX())-w*minLevels;
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else
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x = ((int)GraphConstants.getBounds(parent.getAttributes()).getMinX())+(w)*minLevels;
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} |
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DefaultGraphCell nodeVertex = createVertex(node, x, y, w, h, null, false); |
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/*
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* Si es un nodo final:
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*/
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if (node.isFinal()){
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Color color = (Color)getClassColors().get(new Integer(node.getClassID())); |
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GraphConstants.setBackground(nodeVertex.getAttributes(), color); |
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GraphConstants.setOpaque(nodeVertex.getAttributes(), true);
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} |
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getJGraph().getGraphLayoutCache().insert(nodeVertex); |
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if (parent!=null){ |
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String label = PluginServices.getText(this, "si"); |
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if(position==POSITION_LEFT)
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label = PluginServices.getText(this, "no"); |
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DefaultEdge edge = createEdge(nodeVertex, parent, label); |
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getJGraph().getGraphLayoutCache().insert(edge); |
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} |
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if (node.getLeftChild()!=null){ |
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insertCells(node.getLeftChild(), nodeVertex, POSITION_LEFT); |
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} |
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if (node.getRightChild()!=null){ |
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insertCells(node.getRightChild(), nodeVertex, POSITION_RIGHT); |
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} |
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} |
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private DefaultGraphCell createVertex(Object name, double x, |
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double y, double w, double h, Color bg, boolean raised) { |
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// Create vertex with the given name
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DefaultGraphCell cell = new DefaultGraphCell(name);
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// Set bounds
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GraphConstants.setBounds(cell.getAttributes(), |
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new Rectangle2D.Double(x, y, w, h)); |
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// Set fill color
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if (bg != null) { |
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GraphConstants.setGradientColor( |
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cell.getAttributes(), bg); |
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GraphConstants.setOpaque( |
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cell.getAttributes(), true);
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} |
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// Set raised border
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if (raised)
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GraphConstants.setBorder( |
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cell.getAttributes(), |
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BorderFactory.createRaisedBevelBorder());
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else
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// Set black border
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GraphConstants.setBorderColor( |
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cell.getAttributes(), Color.black);
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// Add a Port
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DefaultPort port = new DefaultPort();
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cell.add(port); |
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port.setParent(cell); |
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GraphConstants.setBorder(cell.getAttributes(), BorderFactory.createEtchedBorder());
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GraphConstants.setAutoSize(cell.getAttributes(),false);
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GraphConstants.setResize(cell.getAttributes(),false);
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GraphConstants.setInset(cell.getAttributes(), 10);
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GraphConstants.setMoveable(cell.getAttributes(), false);
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return cell;
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} |
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private DefaultEdge createEdge(DefaultGraphCell cell, DefaultGraphCell parentCell, String label){ |
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DefaultEdge edge = new DefaultEdge(label);
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edge.setSource(parentCell); |
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edge.setTarget(cell); |
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GraphConstants.setLineEnd(edge.getAttributes(), GraphConstants.ARROW_CLASSIC); |
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GraphConstants.setEndFill(edge.getAttributes(), true);
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GraphConstants.setAutoSize(edge.getAttributes(), true);
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getJGraph().getGraphLayoutCache().insert(edge); |
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return edge;
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} |
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public JScrollPane getScrollPane() { |
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if (scrollPane == null){ |
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scrollPane = new JScrollPane(getJGraph()); |
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scrollPane.setPreferredSize(new Dimension(500,400)); |
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} |
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return scrollPane;
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} |
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public JGraph getJGraph() {
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if (jGraph == null){ |
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GraphModel model = new DefaultGraphModel();
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jGraph = new JGraph(model);
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jGraph.setCloneable(false);
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jGraph.setInvokesStopCellEditing(true);
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jGraph.setJumpToDefaultPort(true);
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jGraph.setConnectable(false);
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jGraph.setDisconnectable(false);
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jGraph.setEditable(false);
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jGraph.setEnabled(true);
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} |
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return jGraph;
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} |
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public JPopupMenu getJPopupMenu() { |
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if (jPopupMenu==null){ |
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jPopupMenu = new JPopupMenu(""); |
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jPopupMenu.add(getAddMenuItem()); |
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jPopupMenu.add(getDeleteMenuItem()); |
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jPopupMenu.add(getExecuteMenuItem()); |
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} |
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return jPopupMenu;
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} |
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public JMenuItem getAddMenuItem() { |
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if (addMenuItem==null){ |
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addMenuItem = new JMenuItem(PluginServices.getText(this, "addChild")); |
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} |
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return addMenuItem;
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} |
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public JMenuItem getDeleteMenuItem() { |
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if (deleteMenuItem==null){ |
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deleteMenuItem = new JMenuItem(PluginServices.getText(this, "deleteChild")); |
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} |
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return deleteMenuItem;
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} |
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public JMenuItem getExecuteMenuItem() { |
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if (executeMenuItem == null) |
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executeMenuItem = new JMenuItem(PluginServices.getText(this, "ejecutar")); |
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return executeMenuItem;
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} |
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public void setSelectedCell(DefaultGraphCell cell) { |
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selectedCell = cell; |
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} |
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public DefaultGraphCell getSelectedCell() {
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return selectedCell;
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} |
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public View getView() { |
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return view;
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} |
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public DecisionTreeDialog getDecisionTreeDialog() {
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return decisionTreeDialog;
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} |
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public HashMap getVarTable() { |
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if (varTable == null) |
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varTable = new HashMap(); |
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return varTable;
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} |
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public void setVarTable(HashMap varTable) { |
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this.varTable = varTable;
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} |
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public OptionsPanel getOutputOptionsPanel() {
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if (outputOptionsPanel == null){ |
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outputOptionsPanel = new OptionsPanel(view);
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} |
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return outputOptionsPanel;
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} |
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/**
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*
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* @return Nodo raiz del ?rbol de decisi?n.
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*/
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public DecisionTreeNode getRoot() {
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return root;
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} |
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/**
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* Devuelve un color para asignar a un nuevo nodo final
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*
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* @return Color
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*/
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private Color generateColor(){ |
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return null; |
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} |
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/**
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* Devuelve un ID para asignar a un nuevo nodo final
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*
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* @return int
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*/
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public int generateClassId(){ |
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Color color = null; |
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int classColorsCount = getClassColors().size();
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for (int i=0; i<classColorsCount;i++) |
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if(!getClassColors().containsKey(new Integer(i))){ |
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if (i<colors.length)
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color = colors[i]; |
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else
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color = new Color((float)Math.random(),(float)Math.random(),(float)Math.random()); |
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getClassColors().put(new Integer(i), color); |
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return i;
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} |
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if (classColorsCount<colors.length)
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color = colors[classColorsCount]; |
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else
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color = new Color((float)Math.random(),(float)Math.random(),(float)Math.random()); |
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getClassColors().put(new Integer(classColorsCount), color); |
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return classColorsCount;
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} |
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public HashMap getClassColors() { |
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if (classColors == null) |
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classColors = new HashMap(); |
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return classColors;
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} |
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/**
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* Elimina las entradas de <code>classColors</code> que se est?n
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* usando en el ?rbol.
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*
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*/
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public void cleanClassColors() { |
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ArrayList ids = new ArrayList(); |
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root.getFinals(ids); |
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Object keys[] = getClassColors().keySet().toArray(); |
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for (int i=0; i < keys.length; i++){ |
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if (!ids.contains(keys[i]))
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getClassColors().remove(keys[i]); |
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} |
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} |
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} |