svn-gvsig-desktop / branches / org.gvsig.desktop-2018a / org.gvsig.desktop.plugin / org.gvsig.raster.tools.app / org.gvsig.raster.tools.app.mainplugin / src / main / java / org / gvsig / raster / tools / app / mainplugin / HistogramExtension.java @ 43876
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package org.gvsig.raster.tools.app.mainplugin; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.event.ItemEvent; |
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import java.awt.event.ItemListener; |
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import java.util.ArrayList; |
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import java.util.List; |
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import javax.swing.JComboBox; |
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import javax.swing.JOptionPane; |
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import javax.swing.event.AncestorEvent; |
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import javax.swing.event.AncestorListener; |
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import org.apache.commons.lang3.StringUtils; |
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import org.cresques.cts.ICoordTrans; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.andami.IconThemeHelper; |
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import org.gvsig.andami.plugins.Extension; |
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import org.gvsig.app.ApplicationLocator; |
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import org.gvsig.app.ApplicationManager; |
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import org.gvsig.app.project.documents.view.ViewDocument; |
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import org.gvsig.app.project.documents.view.gui.IView; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.raster.BandDescriptor; |
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import org.gvsig.fmap.dal.raster.RasterQuery; |
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import org.gvsig.fmap.dal.raster.RasterStore; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.events.ColorEvent; |
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import org.gvsig.fmap.mapcontext.events.ExtentEvent; |
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import org.gvsig.fmap.mapcontext.events.ProjectionEvent; |
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import org.gvsig.fmap.mapcontext.events.listeners.ViewPortListener; |
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import org.gvsig.fmap.mapcontext.exceptions.LegendLayerException; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.FLayers; |
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import org.gvsig.fmap.mapcontext.layers.FLyrDefault; |
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import org.gvsig.fmap.mapcontext.raster.api.RasterLayer; |
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import org.gvsig.fmap.mapcontext.raster.swing.MapContextRasterSwingLocator; |
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import org.gvsig.fmap.mapcontext.raster.swing.MapContextRasterSwingManager; |
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import org.gvsig.fmap.mapcontext.rendering.legend.events.LegendChangedEvent; |
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import org.gvsig.fmap.mapcontext.rendering.legend.events.listeners.LegendListener; |
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import org.gvsig.fmap.mapcontrol.MapControl; |
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import org.gvsig.raster.lib.buffer.api.Buffer; |
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import org.gvsig.raster.lib.buffer.api.statistics.Statistics; |
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import org.gvsig.raster.lib.legend.api.RasterLegend; |
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import org.gvsig.raster.lib.legend.api.colorinterpretation.ColorInterpretation; |
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import org.gvsig.raster.swing.buffer.RasterSwingBufferLocator; |
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import org.gvsig.raster.swing.buffer.RasterSwingBufferManager; |
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import org.gvsig.raster.swing.buffer.SelectableBandsTableModel; |
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import org.gvsig.raster.swing.buffer.exceptions.RasterCreatingPanelException; |
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import org.gvsig.raster.swing.buffer.histogram.HistogramPanel; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.i18n.I18nManager; |
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import org.gvsig.tools.swing.api.ToolsSwingLocator; |
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import org.gvsig.tools.swing.api.windowmanager.WindowManager; |
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import org.gvsig.tools.swing.api.windowmanager.WindowManager_v2; |
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/**
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*
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* @author fdiaz
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*
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*/
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public class HistogramExtension extends Extension { |
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private static final Logger logger = LoggerFactory.getLogger(HistogramExtension.class); |
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@Override
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public void initialize() { |
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IconThemeHelper.registerIcon("action", "layer-histogram", this); |
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} |
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@Override
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public void execute(String actionCommand) { |
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if (StringUtils.equalsIgnoreCase(actionCommand, "histogram")) { |
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IView view = getActiveView(); |
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MapControl mapControl = view.getMapControl(); |
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FLayer[] layers = mapControl.getMapContext().getLayers().getActives();
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if (layers[0] instanceof RasterLayer) { |
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final RasterLayer layer = (RasterLayer) layers[0]; |
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WindowManager_v2 winManager = (WindowManager_v2) ToolsSwingLocator.getWindowManager(); |
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RasterSwingBufferManager manager = RasterSwingBufferLocator.getSwingManager(); |
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I18nManager i18nManager = ToolsLocator.getI18nManager(); |
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final HistogramPanel panel;
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try {
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panel = (HistogramPanel) manager.createHistogramPanel(); |
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panel.asJComponent().setPreferredSize(new Dimension(650, 520)); |
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panel.set(layer.getStatistics(null));
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panel.setEnabledVisibleStatistics(true);
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final RasterStore store = layer.getRasterStore();
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List<BandDescriptor> descriptors = new ArrayList<BandDescriptor>(); |
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for (int i = 0; i < store.getBands(); i++) { |
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descriptors.add(layer.getRasterStore().getBandDescriptor(i)); |
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} |
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// try {
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// final RasterLegend legend = ((RasterLegend) layer.getLegend());
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// //FIXME: Parece que la RasterLegend no lanza eventos de ContentsChanged.
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// //Cuando lo haga, eliminar esta l?nea;
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// updateColors(panel, store, legend);
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// legend.addLegendListener(new LegendContentsChangedListener() {
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//
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// @Override
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// public boolean symbolChanged(SymbolLegendEvent e) {
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// updateColors(panel, store, legend);
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// return true;
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// }
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//
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// @Override
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// public void legendCleared(LegendClearEvent event) {
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// updateColors(panel, store, legend);
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// }
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// });
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((FLyrDefault) layer).addLegendListener(new LegendListener() {
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@Override
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public void legendChanged(LegendChangedEvent e) { |
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updateColors(panel, store, (RasterLegend)e.getNewLegend()); |
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} |
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}); |
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// } catch (LegendLayerException e) {
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// logger.warn("Can't get layer's legend.", e);
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// }
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MapContextRasterSwingManager rasterSwingManager = MapContextRasterSwingLocator.getSwingManager(); |
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SelectableBandsTableModel tableModel = |
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rasterSwingManager.createSelectableBandDescriptorsTableModel(descriptors); |
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panel.set(tableModel); |
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final ViewPort viewPort = mapControl.getViewPort();
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final ViewPortListener viewPortListener = new ViewPortListener() { |
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@Override
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public void projectionChanged(ProjectionEvent e) { |
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doUpdateViewPort(panel, layer, viewPort); |
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} |
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@Override
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public void extentChanged(ExtentEvent e) { |
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doUpdateViewPort(panel, layer, viewPort); |
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} |
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@Override
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public void backColorChanged(ColorEvent e) { |
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// Do nothing
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} |
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}; |
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panel.addChangeItemSourceListener(new ItemListener() { |
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@Override
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public void itemStateChanged(ItemEvent event) { |
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if (event.getStateChange() == ItemEvent.SELECTED) { |
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// // FIXME: Parece que la RasterLegend no lanza
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// // eventos de ContentsChanged.
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// // Cuando lo haga, todo el bloque try-catch siguiente
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// try {
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// RasterLegend legend = ((RasterLegend) layer.getLegend());
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// updateColors(panel, store, legend);
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// } catch (LegendLayerException e) {
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// logger.warn("Can't get layer's legend.", e);
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// }
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int selectedIndex = ((JComboBox<?>) (event.getSource())).getSelectedIndex(); |
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if (selectedIndex == 0) { |
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viewPort.removeViewPortListener(viewPortListener); |
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} else if (selectedIndex == 1) { |
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viewPort.addViewPortListener(viewPortListener); |
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doUpdateViewPort(panel, layer, viewPort); |
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} |
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} |
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} |
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}); |
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panel.asJComponent().addAncestorListener(new AncestorListener() { |
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@Override
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public void ancestorRemoved(AncestorEvent event) { |
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viewPort.removeViewPortListener(viewPortListener); |
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} |
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@Override
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public void ancestorMoved(AncestorEvent event) { |
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// Do nothing
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} |
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@Override
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public void ancestorAdded(AncestorEvent event) { |
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// Do nothing
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} |
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}); |
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} catch (RasterCreatingPanelException e2) {
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logger.error("Error creating panel", e2);
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JOptionPane.showMessageDialog(null, |
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new StringBuilder().append(i18nManager.getTranslation("error_creating_panel")).append(":") |
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.append(e2.getLocalizedMessage()), i18nManager.getTranslation("error"),
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JOptionPane.ERROR_MESSAGE);
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return;
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} |
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winManager.showWindow(panel.asJComponent(), |
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i18nManager.getTranslation("Histogram") + ": " + layer.getName(), WindowManager.MODE.WINDOW); |
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} |
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} |
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} |
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/**
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* @param panel
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* @param store
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* @param legend
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*/
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private void updateColors(final HistogramPanel panel, RasterStore store, RasterLegend legend) { |
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Color[] colorBands = new Color[store.getBands()]; |
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ColorInterpretation colorInterpretations = legend.getColorInterpretation(); |
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if (colorInterpretations != null) { |
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for (int i = 0; i < store.getBands(); i++) { |
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switch (colorInterpretations.get(i)) {
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case ColorInterpretation.RED_BAND:
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colorBands[i] = Color.red;
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break;
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case ColorInterpretation.GREEN_BAND:
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colorBands[i] = Color.green;
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break;
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case ColorInterpretation.BLUE_BAND:
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colorBands[i] = Color.blue;
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break;
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case ColorInterpretation.ALPHA_BAND:
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colorBands[i] = Color.lightGray;
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break;
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case ColorInterpretation.GRAY_BAND:
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colorBands[i] = Color.darkGray;
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break;
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case ColorInterpretation.CYAN_BAND:
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colorBands[i] = Color.cyan;
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break;
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case ColorInterpretation.MAGENTA_BAND:
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colorBands[i] = Color.magenta;
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break;
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case ColorInterpretation.YELLOW_BAND:
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colorBands[i] = Color.yellow;
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break;
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case ColorInterpretation.BLACK_BAND:
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colorBands[i] = Color.black;
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break;
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default:
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colorBands[i] = Color.orange;
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break;
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} |
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} |
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panel.setBandColors(colorBands); |
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} |
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} |
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protected void doUpdateViewPort(HistogramPanel panel, RasterLayer layer, ViewPort viewPort) { |
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logger.info("UPDATING VIEWPORT");
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if (panel.isEnabledVisibleStatistics()) {
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Envelope envelope = viewPort.getAdjustedEnvelope(); |
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Statistics statistics; |
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Envelope layerEnvelope; |
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try {
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layerEnvelope = layer.getFullEnvelope(); |
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} catch (ReadException e1) {
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logger.warn("Can't get layer's envelope.", e1);
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return;
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} |
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if (envelope.contains(layerEnvelope)) {
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statistics = layer.getStatistics(null);
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panel.setVisibleStatistics(statistics); |
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} else {
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if (envelope.intersects(layerEnvelope)) {
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RasterStore rasterStore = layer.getRasterStore(); |
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RasterQuery query = rasterStore.createRasterQuery(); |
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ICoordTrans ct = layer.getCoordTrans(); |
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Geometry geom = envelope.getGeometry(); |
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if (ct != null) { |
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geom.reProject(ct.getInverted()); |
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} |
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Envelope reprojectedEnvelope = geom.getEnvelope(); |
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double pixelSize = reprojectedEnvelope.getLength(0) / (double) viewPort.getImageWidth(); |
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query.setPixelSize(pixelSize); |
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query.setClip(reprojectedEnvelope); |
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Buffer buffer = null; |
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try {
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buffer = rasterStore.getRasterSet(query); |
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} catch (DataException e) {
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logger.warn("Can't create rasterSet from envelope", e);
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return;
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} |
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statistics = buffer.getStatistics(null);
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panel.setVisibleStatistics(statistics); |
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} else {
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panel.setVisibleStatistics(null);
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} |
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} |
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} |
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} |
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@Override
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public boolean isEnabled() { |
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IView view = getActiveView(); |
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if (view != null) { |
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ViewDocument viewDocument = view.getViewDocument(); |
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FLayer[] layers = viewDocument.getMapContext().getLayers().getActives();
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if (layers.length == 1 && layers[0] instanceof RasterLayer) { |
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return true; |
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} |
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} |
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return false; |
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} |
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@Override
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public boolean isVisible() { |
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IView view = getActiveView(); |
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if (view != null) { |
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ViewDocument viewDocument = view.getViewDocument(); |
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FLayers layers = viewDocument.getMapContext().getLayers(); |
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for (FLayer fLayer : layers) {
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if (fLayer instanceof RasterLayer) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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private IView getActiveView() {
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ApplicationManager application = ApplicationLocator.getManager(); |
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IView view = (IView) application.getActiveComponent(ViewDocument.class); |
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return view;
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} |
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} |