root / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / histogram / HistogramPanelListener.java @ 11070
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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) 2005 IVER T.I. 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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package org.gvsig.rastertools.histogram; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.io.File; |
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import java.io.IOException; |
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import java.io.RandomAccessFile; |
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import java.nio.channels.FileChannel; |
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import java.nio.channels.WritableByteChannel; |
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import java.util.ArrayList; |
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import javax.swing.JButton; |
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import javax.swing.JComboBox; |
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import javax.swing.JFileChooser; |
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import javax.swing.JOptionPane; |
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import org.gvsig.gui.beans.graphic.GraphicEvent; |
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import org.gvsig.gui.beans.graphic.GraphicListener; |
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import org.gvsig.gui.beans.incrementabletask.IncrementableTask; |
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import org.gvsig.raster.util.Histogram; |
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import org.gvsig.raster.util.IHistogramable; |
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import org.gvsig.rastertools.histogram.ui.HistogramPanel; |
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import com.hardcode.driverManager.DriverLoadException; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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import com.hardcode.gdbms.engine.data.NoSuchTableException; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.ProjectExtension; |
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import com.iver.cit.gvsig.fmap.drivers.shp.DbaseFileHeaderNIO; |
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import com.iver.cit.gvsig.fmap.drivers.shp.DbaseFileWriterNIO; |
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import com.iver.cit.gvsig.fmap.edition.EditableAdapter; |
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import com.iver.cit.gvsig.fmap.layers.LayerFactory; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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import com.iver.cit.gvsig.project.ProjectFactory; |
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import com.iver.cit.gvsig.project.documents.table.ProjectTable; |
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import com.iver.cit.gvsig.project.documents.table.gui.Table; |
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/**
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* Listener para eventos del panel de histograma
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*
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* @version 20/03/2007
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* @author Nacho Brodin (brodin_ign@gva.es)
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* @author Borja Sanchez Zamorano (borja.sanchez@iver.es)
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*/
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public class HistogramPanelListener implements GraphicListener, ActionListener { |
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private HistogramPanel histogramPanel = null; |
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private IncrementableTask incrementableTask = null; |
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private HistogramProcess histogramProcess = null; |
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private Histogram lastHistogram = null; |
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public boolean eventsEnabled = false; |
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/**
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* Bandas que se est?n mostrando en el gr?fico. Se inicializa con las 3 bandas
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* RGB de la visualizaci?n. Este array puede tener m?s elementos ya que si las
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* bandas no son de visualizaci?n (bandas de la imagen en disco) tendr? un elemento
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* por cada una.
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*/
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private boolean[] showBands = null; |
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private Color[] bandsColor = { |
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Color.red,
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Color.green,
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Color.blue,
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Color.cyan,
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Color.black,
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Color.darkGray,
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Color.gray,
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Color.magenta,
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Color.yellow,
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Color.orange};
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public HistogramPanelListener(HistogramPanel p){
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histogramPanel = p; |
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} |
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public void setControlListeners(){ |
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histogramPanel.getGraphicContainer().addValueChangedListener(this);
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} |
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/**
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* Actualizar cuadro de estad?sticas
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*/
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private void updateStatistic() { |
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int first = (int) histogramPanel.getBoxesValues()[1]; |
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int end = (int) histogramPanel.getBoxesValues()[0]; |
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histogramPanel.setStatistic(getLastHistogram().getBasicStats((int) first, (int) end, showBands)); |
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} |
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/**
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* Tratamiento de todos los eventos visuales.
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*/
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public void actionPerformed(ActionEvent e) { |
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if (!eventsEnabled) return; |
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//--------------------------------------
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//Cambiar las bandas en el combo
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JComboBox cbb = histogramPanel.getJComboBands();
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if (e.getSource() == cbb) {
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if (cbb.getSelectedItem() == null) return; |
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if (cbb.getSelectedIndex() == 0) |
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for (int i = 0; i < showBands.length; i++) |
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showBands[i] = true;
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if (cbb.getSelectedItem().equals("R")) addOrRemoveGraphicBand(0); |
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if (cbb.getSelectedItem().equals("G")) addOrRemoveGraphicBand(1); |
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if (cbb.getSelectedItem().equals("B")) addOrRemoveGraphicBand(2); |
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for (int i = 0; i < showBands.length; i++) |
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if (cbb.getSelectedItem().equals("Band " + i)) |
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addOrRemoveGraphicBand(i); |
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updateGraphic(); |
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updateStatistic(); |
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return;
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} |
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//--------------------------------------
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//Limpiar
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if (e.getSource() == histogramPanel.getJButtonClear()) {
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for (int i = 0; i < showBands.length; i++) |
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showBands[i] = false;
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updateGraphic(); |
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return;
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} |
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//--------------------------------------
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//Selecci?n de fuente de datos del histograma
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JComboBox cbo = histogramPanel.getJComboBoxOrigen();
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if (e.getSource() == cbo) {
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showHistogram(); |
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return;
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} |
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//--------------------------------------
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//Selecci?n de histograma acumulado y no acumulado
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JComboBox cbt = histogramPanel.getJComboBoxTipo();
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if (e.getSource() == cbt) {
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updateStatistic(); |
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updateGraphic(); |
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return;
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} |
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//--------------------------------------
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// Boton Crear Tabla
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JButton table = histogramPanel.getBCreateTable();
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if (e.getSource() == table) {
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try {
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// -------Mostrar un fileChooser------------------
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String fName;
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JFileChooser chooser = new JFileChooser(); |
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chooser.setDialogTitle(PluginServices.getText(this, "guardar_tabla")); |
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int returnVal = chooser.showOpenDialog(histogramPanel);
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if (returnVal == JFileChooser.APPROVE_OPTION) { |
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fName = chooser.getSelectedFile().toString(); |
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if (!fName.endsWith(".dbf")) |
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fName += ".dbf";
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//-------------Crear el dbf----------------------
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DbaseFileWriterNIO dbfWrite = null;
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DbaseFileHeaderNIO myHeader; |
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Value[] record;
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long histogram[][]= getLastHistogram().getHistogram(); |
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int numBands = histogram.length;
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int numRecors = histogram[0].length; |
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File file = new File(fName); |
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String names[] = new String[numBands+1]; |
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int types[] = new int [numBands+1]; |
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int lengths[] = new int [numBands+1]; |
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names[0]="Value"; |
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types[0]=4; |
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lengths[0]=15; |
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for (int band = 0; band < numBands; band++){ |
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names[band+1]="Band"+band; |
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types[band+1]=4; |
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lengths[band+1]=15; |
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} |
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myHeader = DbaseFileHeaderNIO.createDbaseHeader(names,types,lengths); |
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myHeader.setNumRecords(numRecors); |
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dbfWrite = new DbaseFileWriterNIO(myHeader, (FileChannel) getWriteChannel(file.getPath())); |
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record = new Value[numBands+1]; |
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for (int j = 0; j < numRecors; j++) { |
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record[0] = ValueFactory.createValue(j);
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for (int r = 0; r < numBands; r++) { |
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record[r+1] = ValueFactory.createValue(histogram[r][j]);
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} |
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dbfWrite.write(record); |
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} |
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dbfWrite.close(); |
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//------------A?adir el dbf al proyecto--------------
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ProjectExtension ext = (ProjectExtension) PluginServices.getExtension(ProjectExtension.class); |
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String name = file.getName();
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LayerFactory.getDataSourceFactory().addFileDataSource("gdbms dbf driver", name, fName);
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DataSource dataSource;
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dataSource = LayerFactory.getDataSourceFactory().createRandomDataSource(name, DataSourceFactory.AUTOMATIC_OPENING); |
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SelectableDataSource sds = new SelectableDataSource(dataSource);
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EditableAdapter auxea=new EditableAdapter();
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auxea.setOriginalDataSource(sds); |
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ProjectTable projectTable = ProjectFactory.createTable(name, auxea); |
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//ext.getProject().addTable(projectTable);
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ext.getProject().addDocument(projectTable); |
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Table t = new Table();
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t.setModel(projectTable); |
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//projectTable.setAndamiWindow(t);
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PluginServices.getMDIManager().addWindow(t); |
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} |
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} catch (IOException e1) { |
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),histogramPanel.getName() + " " + PluginServices.getText(this,"table_not_create")); |
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} catch (DriverLoadException e1) {
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),histogramPanel.getName() + " " + PluginServices.getText(this,"table_not_create")); |
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} catch (NoSuchTableException e1) {
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),histogramPanel.getName() + " " + PluginServices.getText(this,"table_not_create")); |
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} catch (ReadDriverException e1) {
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),histogramPanel.getName() + " " + PluginServices.getText(this,"table_not_create")); |
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} |
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} |
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} |
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/**
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* Actualizar la variable de las bandas visibles y su componente visual.
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*/
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private void refreshBands() { |
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histogramPanel.refreshBands(); |
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showBands = new boolean[getLastHistogram().getNumBands()]; |
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for (int i = 0; i < showBands.length; i++) |
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showBands[i] = true;
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} |
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/**
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* Lanza los dos threads para procesar el histograma y visualizar la
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* ventana de incremento
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*/
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public void showHistogram() { |
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if (histogramPanel.getJComboBoxOrigen().getSelectedIndex() < 0) return; |
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IHistogramable iaux = (IHistogramable) ((ArrayList) histogramPanel.getComboSource().get(histogramPanel.getJComboBoxOrigen().getSelectedIndex())).get(0); |
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histogramProcess = new HistogramProcess(iaux, this); |
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incrementableTask = new IncrementableTask(histogramProcess);
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histogramProcess.setIncrementableTask(incrementableTask); |
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incrementableTask.showWindow(); |
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iaux.resetPercent(); |
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histogramProcess.start(); |
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incrementableTask.start(); |
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} |
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/**
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* A?ade o elimina una banda de la visualizaci?n. Si la banda se est? visualizando
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* se elimina y si no entonces se muestra
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* @param band banda a visualizar o borrar del gr?fico
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*/
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public void addOrRemoveGraphicBand(int band){ |
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if (band > showBands.length) return; |
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showBands[band] = !showBands[band]; |
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} |
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/**
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* Actualiza la grafica con los datos que ya teniamos del histograma.
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*/
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private void updateGraphic() { |
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long[][] auxHistogram = getLastHistogram().getHistogramByType(Histogram.getType(histogramPanel.getJComboBoxTipo().getSelectedIndex())); |
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if (auxHistogram == null) return; |
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int first = (int) histogramPanel.getBoxesValues()[1]; |
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int end = (int) histogramPanel.getBoxesValues()[0]; |
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int bandCount = 0; |
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for (int i = 0; i < showBands.length; i++) { |
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if (showBands[i]) bandCount++;
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} |
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int[][] newHistogram = new int[bandCount][end - first]; |
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String[] bandNames = new String[bandCount]; |
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bandCount = auxHistogram.length; |
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int numBand = 0; |
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for (int iBand = 0; iBand < auxHistogram.length; iBand++) { |
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if (!showBands[iBand]) continue; |
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for (int j=first; j<end; j++) |
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newHistogram[numBand][j-first] = (int) auxHistogram[iBand][j];
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bandNames[numBand] = histogramPanel.getJComboBands().getItemAt(iBand + 1).toString();
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histogramPanel.getGraphicContainer().setBandColor(numBand, bandsColor[iBand % bandsColor.length]); |
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numBand++; |
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} |
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histogramPanel.getGraphicContainer().getPGraphic().setNewChart(newHistogram, bandNames); |
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updateStatistic(); |
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} |
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/**
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* Definir el nuevo histograma, metodo pu?blico para ser invocado desde
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* histogramProcess
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* @param histograma nuevo
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*/
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public void setNewHistogram(Histogram value) { |
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histogramPanel.panelInizialited = false;
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eventsEnabled = false;
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lastHistogram = value; |
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refreshBands(); |
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updateGraphic(); |
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incrementableTask = null;
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histogramProcess = null;
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// Activo la ejecucion de los eventos porque seguro que ya tenemos un histograma
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eventsEnabled = true;
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histogramPanel.panelInizialited = true;
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} |
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/**
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* Obtener ?ltimo histograma
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* @return Histogram
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*/
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public Histogram getLastHistogram() {
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return lastHistogram;
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} |
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/**
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* Eventos de los BoxValues
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*/
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public void actionValueChanged(GraphicEvent e) { |
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updateGraphic(); |
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} |
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/**
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* Proceso para guardar una estadistica en un fichero.
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* @param path
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* @return
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* @throws IOException
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*/
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private WritableByteChannel getWriteChannel(String path) throws IOException { |
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WritableByteChannel channel;
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File f = new File(path); |
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if (!f.exists()) {
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System.out.println("Creando fichero " + f.getAbsolutePath()); |
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if (!f.createNewFile()) {
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throw new IOException("Cannot create file " + f); |
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} |
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} |
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RandomAccessFile raf = new RandomAccessFile(f, "rw"); |
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channel = raf.getChannel(); |
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return channel;
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} |
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} |