root / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / vectorizacion / stretch / StretchListener.java @ 27442
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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) 2007 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.vectorizacion.stretch; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.awt.event.KeyEvent; |
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import java.awt.event.KeyListener; |
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import javax.swing.event.TableModelEvent; |
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import javax.swing.event.TableModelListener; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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import org.gvsig.raster.IProcessActions; |
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import org.gvsig.raster.beans.canvas.GCanvasEvent; |
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import org.gvsig.raster.beans.canvas.IGCanvasListener; |
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import org.gvsig.raster.beans.previewbase.PreviewBasePanel; |
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import org.gvsig.raster.datastruct.HistogramException; |
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import org.gvsig.raster.grid.filter.FilterTypeException; |
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import org.gvsig.raster.util.BasePanel; |
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import org.gvsig.raster.util.RasterToolsUtil; |
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import org.gvsig.rastertools.vectorizacion.stretch.ui.StretchPanel; |
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/**
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* Listener para el panel de selecci?n de tramos
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*
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* 08/08/2008
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* @author Nacho Brodin nachobrodin@gmail.com
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*/
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public class StretchListener implements ActionListener, IGCanvasListener, TableModelListener, KeyListener { |
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private FLyrRasterSE lyr = null; |
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private StretchPanel panel = null; |
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private StretchProcess process = null; |
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private StretchData data = null; |
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private StretchPreviewRender previewRender = null; |
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private PreviewBasePanel previewPanel = null; |
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/**
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* Constructor. Asigna el panel asociado al listener
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* @param panel
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*/
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public StretchListener(FLyrRasterSE lyr, StretchPanel panel, StretchData data) {
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this.panel = panel;
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this.lyr = lyr;
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this.data = data;
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panel.getCanvas().addValueChangedListener(this);
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panel.getModel().addTableModelListener(this);
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panel.getLoadButton().addActionListener(this);
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panel.getLoadButton().addKeyListener(this);
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panel.registerListener(BasePanel.KEYLISTENER, this);
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process = new StretchProcess(null); |
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process.setSourceLayer(lyr); |
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initActions(); |
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} |
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/**
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* Acciones de inicializaci?n del componente
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*/
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private void initActions() { |
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if(lyr == null) |
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return;
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double min = lyr.getDataSource().getStatistics().getMinimun();
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double max = lyr.getDataSource().getStatistics().getMaximun();
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data.setMin(min); |
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data.setMax(max); |
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data.setSizeInterval(max - min); |
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data.setNInterval(1);
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try {
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data.setHistogram(lyr.getDataSource().getHistogram().getTable()); |
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} catch (HistogramException e) {
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RasterToolsUtil.debug("No se puede crear un histograma", this, e); |
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} catch (InterruptedException e) { |
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} |
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panel.getModel().setShiftAndDistance(min, max - min); |
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data.updateObservers(); |
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} |
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/**
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* Obtiene el render de la preview asociada
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* @return IPreviewRenderProcess
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*/
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public StretchPreviewRender getPreviewRender() {
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if(previewRender == null) |
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previewRender = new StretchPreviewRender(lyr, data);
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return previewRender;
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} |
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/**
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* Asigna el panel con la previsualizaci?n
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* @param prev
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*/
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public void setPreviewPanel(PreviewBasePanel prev) { |
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this.previewPanel = prev;
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refreshPreview(); |
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} |
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/**
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* M?todo para refresco de preview. Este puede no existir en caso de
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* usarse la funcionalidad de forma independiente por lo que habr? que
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* comprobar si existe antes del refresco.
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*/
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public void refreshPreview() { |
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if(previewPanel != null) { |
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/*while(RasterTaskQueue.getProcessCount() > 0)
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try {
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Thread.sleep(500);
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} catch (InterruptedException e) {
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}*/
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previewPanel.refreshPreview(); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
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*/
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public void actionPerformed(ActionEvent e) { |
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if(e.getSource() == panel.getLoadButton()) {
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double min = panel.getStretchSelectorPanel().getData().getMinimum();
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double max = panel.getStretchSelectorPanel().getData().getMaximum();
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if(panel.getStretchSelectorPanel().getIntervalSize().isSelected())
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data.setSizeInterval(panel.getStretchSelectorPanel().getData().getStretchSize()); |
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if(panel.getStretchSelectorPanel().getIntervalNumber().isSelected())
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data.setNInterval(panel.getStretchSelectorPanel().getData().getStretchNumber()); |
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panel.getModel().setShiftAndDistance(min, max - min); |
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panel.getCanvas().repaint(); |
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panel.getTable().updateUI(); |
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refreshPreview(); |
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} |
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} |
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/**
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* Asigna el interfaz para que el proceso ejectute las acciones de finalizaci?n
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* al acabar.
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* @param endActions
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*/
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public void setProcessActions(IProcessActions endActions) { |
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if(process != null) |
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process.setProcessActions(endActions); |
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} |
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/**
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* Asigna la capa fuente para el proceso
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* @param lyr
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*/
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public void setProcessSource(FLyrRasterSE lyr) { |
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if(process != null) |
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process.setSourceLayer(lyr); |
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} |
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/**
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* Aplica las acciones
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*/
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public void apply() { |
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try {
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process.stretchProcess(previewRender, data); |
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} catch (FilterTypeException e) {
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RasterToolsUtil.messageBoxError("error_filtering", null, e); |
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} |
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refreshPreview(); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.beans.canvas.IGCanvasListener#actionDataChanged(org.gvsig.raster.beans.canvas.GCanvasEvent)
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*/
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public void actionDataChanged(GCanvasEvent e) { |
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panel.getTable().updateUI(); |
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refreshPreview(); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.beans.canvas.IGCanvasListener#actionDataDragged(org.gvsig.raster.beans.canvas.GCanvasEvent)
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*/
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public void actionDataDragged(GCanvasEvent e) { |
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} |
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/*
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* (non-Javadoc)
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* @see javax.swing.event.TableModelListener#tableChanged(javax.swing.event.TableModelEvent)
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*/
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public void tableChanged(TableModelEvent e) { |
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panel.getCanvas().repaint(); |
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refreshPreview(); |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.KeyListener#keyPressed(java.awt.event.KeyEvent)
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*/
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public void keyPressed(KeyEvent e) { |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.KeyListener#keyReleased(java.awt.event.KeyEvent)
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*/
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public void keyReleased(KeyEvent e) { |
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if(e.getKeyCode() == KeyEvent.VK_ENTER) { |
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actionPerformed(new ActionEvent(panel.getLoadButton(), 0, null)); |
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refreshPreview(); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.KeyListener#keyTyped(java.awt.event.KeyEvent)
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*/
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public void keyTyped(KeyEvent e) { |
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} |
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} |