root / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / properties / control / TransparencyListener.java @ 17495
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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.properties.control; |
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import java.util.ArrayList; |
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import java.util.EventObject; |
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import org.gvsig.fmap.raster.util.Configuration; |
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import org.gvsig.raster.RasterLibrary; |
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import org.gvsig.raster.datastruct.TransparencyRange; |
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import org.gvsig.raster.grid.GridTransparency; |
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import org.gvsig.raster.gui.properties.dialog.RasterPropertiesTocMenuEntry; |
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import org.gvsig.raster.hierarchy.IRasterProperties; |
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import org.gvsig.rastertools.RasterModule; |
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import org.gvsig.rastertools.properties.panels.NoDataPanel; |
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import org.gvsig.rastertools.properties.panels.TransparencyPanel; |
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import org.gvsig.rastertools.properties.panels.interfaces.INoDataPanel; |
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/**
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* Clase que hace de interfaz entre los objetos que contienen la informaci?n de
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* transparencia y el panel.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class TransparencyListener implements TranspByPixelEventListener, INoDataPanel { |
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private GridTransparency transparency = null; |
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private TransparencyPanel tPanel = null; |
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private IRasterProperties layer = null; |
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/**
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* Construye un TransparencyControl
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* @param tp
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*/
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public TransparencyListener(TransparencyPanel tp) {
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this.tPanel = tp;
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tPanel.getPTranspByPixel().addValueChangedListener(this);
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} |
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/**
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* Carga los valores del panel desde el objeto con la transparencia
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*/
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private void setValuesFromGridTransparencyToPanel() { |
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//Asignamos la opacidad al panel
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if (transparency.getOpacity() != 255) { |
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tPanel.getOpacityPanel().setControlEnabled(true);
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tPanel.getOpacityPanel().setValue((int) (transparency.getOpacity() * 100) / 255); |
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} else {
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tPanel.getOpacityPanel().setControlEnabled(false);
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tPanel.getOpacityPanel().setValue(100);
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} |
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// Asignamos los rangos de transparencia al panel
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tPanel.getPTranspByPixel().getListener().setEventsDisabled(true);
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if (transparency.getTransparencyRange().size() > 0) { |
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tPanel.getPTranspByPixel().clear(); |
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tPanel.getPTranspByPixel().setControlEnabled(true);
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for (int i = 0; i < transparency.getTransparencyRange().size(); i++) { |
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TransparencyRange range = (TransparencyRange) transparency.getTransparencyRange().get(i); |
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tPanel.getPTranspByPixel().addStringElement(range); |
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} |
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} else {
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tPanel.getPTranspByPixel().clear(); |
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tPanel.getPTranspByPixel().setControlEnabled(false);
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} |
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tPanel.getPTranspByPixel().getListener().setEventsDisabled(false);
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} |
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/**
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* Carga los valores del objeto transparencia desde el panel
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*/
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private void setValuesFromPanelToGridTransparency() { |
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if (transparency == null) |
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return;
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// Asignamos la opacidad al objeto
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if (tPanel.getOpacityPanel().getCheck().isSelected()) {
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transparency.setOpacity((int) Math.round((tPanel.getOpacityPanel().getValue() * 255) / 100)); |
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} else
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transparency.setOpacity(255);
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// Asignamos los rangos de transparencia al objeto
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if (tPanel.getPTranspByPixel().getActiveCheck().isSelected()) {
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transparency.clearListOfTransparencyRange(); |
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ArrayList entries = tPanel.getPTranspByPixel().getEntries();
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for (int i = 0; i < entries.size(); i++) |
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transparency.setTransparencyRange((TransparencyRange) entries.get(i)); |
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} else
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transparency.clearListOfTransparencyRange(); |
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transparency.activeTransparency(); |
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layer.getRender().getLastRenderBuffer().setNoDataValue(1);
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// Redibujamos
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if (tPanel.getLayer() != null) |
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tPanel.getLayer().getMapContext().invalidate(); |
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} |
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/**
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* Aplica y guarda los cambios del panel
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*/
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public void apply() { |
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onlyApply(); |
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saveStatus(); |
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} |
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/**
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* Aplicar los cambios sin guardar su estado
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*/
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public void onlyApply() { |
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if (RasterPropertiesTocMenuEntry.enableEvents)
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setValuesFromPanelToGridTransparency(); |
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} |
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/**
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* Guarda el estado actual del panel
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*/
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private void saveStatus() { |
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tPanel.getPanelGroup().getProperties().put("opacity", new Integer(transparency.getOpacity())); |
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tPanel.getPanelGroup().getProperties().put("transparencyActive", new Boolean(transparency.isTransparencyActive())); |
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ArrayList newArray = new ArrayList(); |
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for (int i = 0; i < transparency.getTransparencyRange().size(); i++) { |
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newArray.add(transparency.getTransparencyRange().get(i)); |
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} |
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tPanel.getPanelGroup().getProperties().put("transparencyRange", newArray);
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} |
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/**
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* Deja la capa en el ?ltimo estado guardado y la refresca
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*/
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public void restoreStatus() { |
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transparency.setOpacity(((Integer) tPanel.getPanelGroup().getProperties().get("opacity")).intValue()); |
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transparency.setTransparencyActive(((Boolean) tPanel.getPanelGroup().getProperties().get("transparencyActive")).booleanValue()); |
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ArrayList newArray = (ArrayList) tPanel.getPanelGroup().getProperties().get("transparencyRange"); |
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transparency.clearListOfTransparencyRange(); |
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for (int i = 0; i < newArray.size(); i++) { |
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transparency.setTransparencyRange((TransparencyRange) newArray.get(i)); |
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} |
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if (tPanel.getLayer() != null) |
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tPanel.getLayer().getMapContext().invalidate(); |
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} |
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/**
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* Acciones a ejecutar cuando se acepta
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*/
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public void accept() { |
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onlyApply(); |
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} |
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/**
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* Acciones a ejecutar cuando se cancela
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*/
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public void cancel() { |
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restoreStatus(); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.rastertools.properties.panels.TranspByPixelEventListener#actionPixelListChanged(java.util.EventObject)
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*/
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public void actionPixelListChanged(EventObject e) { |
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if (!RasterModule.autoRefreshView)
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return;
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onlyApply(); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.rastertools.properties.panels.interfaces.INoDataPanel#ComboStateChanged(org.gvsig.rastertools.properties.panels.NoDataPanel, int)
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*/
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public void SourceStateChanged(NoDataPanel noDataPanel, int newIndex) { |
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RefreshValues(noDataPanel); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.rastertools.properties.panels.interfaces.INoDataPanel#BandStateChanged(org.gvsig.rastertools.properties.panels.NoDataPanel, int)
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*/
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public void BandStateChanged(NoDataPanel noDataPanel, int newIndex) { |
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RefreshValues(noDataPanel); |
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} |
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/**
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* Aqui se definen los parametros iniciales para la transparencia del panel
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* @param t
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*/
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public void setLayer(IRasterProperties layer) { |
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this.layer = layer;
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transparency = layer.getRenderTransparency(); |
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saveStatus(); |
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setValuesFromGridTransparencyToPanel(); |
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} |
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public void RefreshValues(NoDataPanel noDataPanel) { |
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if (layer == null) { |
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noDataPanel.setEnabledComponents(false);
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return;
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} |
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noDataPanel.setEnabledComponents(noDataPanel.getComboSetupIndex() == 2);
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switch (noDataPanel.getComboSetupIndex()) {
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case 0: // General |
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noDataPanel.setTransparent(Configuration.getValue("nodata_transparent", Boolean.valueOf(RasterLibrary.noDataTransparent)).booleanValue()); |
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noDataPanel.setNoDataValue(Configuration.getValue("nodata_value", Double.valueOf(RasterLibrary.noDataValue)).doubleValue()); |
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break;
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case 1: // Capa |
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if (layer.getMetadata()[0] != null) |
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noDataPanel.setNoDataValue(layer.getMetadata()[0].getNoDataValue(0)); |
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else
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noDataPanel.setNoDataValue(Configuration.getValue("nodata_value", Double.valueOf(RasterLibrary.noDataValue)).doubleValue()); |
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noDataPanel.setTransparent(RasterLibrary.noDataTransparent); |
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break;
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} |
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} |
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} |