Java tutorial
/* * Copyright (C) 2010 Brockmann Consult GmbH (info@brockmann-consult.de) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 3 of the License, or (at your option) * any later version. * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, see http://www.gnu.org/licenses/ */ package org.esa.snap.timeseries.ui.graph; import com.bc.ceres.glayer.support.ImageLayer; import org.esa.snap.core.datamodel.Placemark; import org.esa.snap.core.datamodel.Product; import org.esa.snap.core.datamodel.ProductNode; import org.esa.snap.core.datamodel.ProductNodeEvent; import org.esa.snap.core.datamodel.RasterDataNode; import org.esa.snap.core.ui.PixelPositionListener; import org.esa.snap.core.ui.product.ProductSceneView; import org.esa.snap.rcp.SnapApp; import org.esa.snap.timeseries.core.TimeSeriesMapper; import org.esa.snap.timeseries.core.TimeSeriesModule; import org.esa.snap.timeseries.core.timeseries.datamodel.AbstractTimeSeries; import org.esa.snap.timeseries.core.timeseries.datamodel.TimeSeriesChangeEvent; import org.esa.snap.timeseries.core.timeseries.datamodel.TimeSeriesListener; import org.jfree.chart.ChartFactory; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.XYPlot; import org.openide.awt.ActionID; import org.openide.awt.ActionReference; import org.openide.awt.ActionReferences; import org.openide.util.HelpCtx; import org.openide.util.NbBundle; import org.openide.windows.TopComponent; import java.awt.BorderLayout; import java.awt.event.MouseEvent; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import static org.esa.snap.timeseries.core.timeseries.datamodel.AbstractTimeSeries.*; /** * Main class for the graph tool. * * @author Marco Peters * @author Thomas Storm * @author Sabine Embacher */ @TopComponent.Description(preferredID = "TimeSeriesGraphTopComponent", iconBase = "org/esa/snap/timeseries/ui/icons/timeseries-plot.png", persistenceType = TopComponent.PERSISTENCE_ALWAYS) @TopComponent.Registration(mode = "navigator", openAtStartup = false, position = 2) @TopComponent.OpenActionRegistration(displayName = "#CTL_TimeSeriesGraphTopComponentName", preferredID = "TimeSeriesGraphTopComponent") @ActionID(category = "Window", id = "org.esa.snap.timeseries.ui.graph.TimeSeriesGraphTopComponent") @ActionReferences({ @ActionReference(path = "Menu/View/Tool Windows/Time Series", position = 1220), @ActionReference(path = "Toolbars/Time Series", position = 20) }) @NbBundle.Messages({ "CTL_TimeSeriesGraphTopComponentName=Time Series Graph" }) public class TimeSeriesGraphTopComponent extends TopComponent { private static final String HELP_ID = "timeSeriesGraph"; private static final String DEFAULT_RANGE_LABEL = "Value"; private static final String DEFAULT_DOMAIN_LABEL = "Time"; private final TimeSeriesPPL pixelPosListener; private final PropertyChangeListener pinSelectionListener; private final PropertyChangeListener sliderListener; private final TimeSeriesListener timeSeriesGraphTSL; private JFreeChart chart; private TimeSeriesGraphForm graphForm; private TimeSeriesGraphModel graphModel; private ProductSceneView currentView; private final TimeSeriesValidator validator; public TimeSeriesGraphTopComponent() { pixelPosListener = new TimeSeriesPPL(); pinSelectionListener = new PinSelectionListener(); sliderListener = new SliderListener(); timeSeriesGraphTSL = new TimeSeriesGraphTSL(); validator = new TimeSeriesValidator(); initUI(); } private void initUI() { final boolean displayLegend = true; final boolean showTooltips = true; final boolean showUrls = false; chart = ChartFactory.createTimeSeriesChart(null, DEFAULT_DOMAIN_LABEL, DEFAULT_RANGE_LABEL, null, displayLegend, showTooltips, showUrls); graphModel = new TimeSeriesGraphModel(chart.getXYPlot(), validator); graphForm = new TimeSeriesGraphForm(graphModel, chart, validator, HELP_ID); setDisplayName(Bundle.CTL_TimeSeriesGraphTopComponentName()); setLayout(new BorderLayout()); add(graphForm.getControl(), BorderLayout.CENTER); ProductSceneView selectedView = SnapApp.getDefault().getSelectedProductSceneView(); if (selectedView != null) { maySetCurrentView(selectedView); } SnapApp.getDefault().getSelectionSupport(ProductSceneView.class).addHandler((oldValue, newValue) -> { if (oldValue != null) { maySetCurrentView(null); } if (newValue != null) { maySetCurrentView(newValue); } }); } @Override public HelpCtx getHelpCtx() { return new HelpCtx(HELP_ID); } /* * Checks if the view displays a timeseries product. * If so it is set as the current view. */ private void maySetCurrentView(ProductSceneView view) { final String viewProductType = view.getProduct().getProductType(); if (view != currentView && !view.isRGB() && viewProductType.equals(AbstractTimeSeries.TIME_SERIES_PRODUCT_TYPE) && TimeSeriesMapper.getInstance().getTimeSeries(view.getProduct()) != null) { setCurrentView(view); } } private void setCurrentView(ProductSceneView newView) { if (currentView == newView) { return; } if (currentView != null) { final AbstractTimeSeries timeSeries = TimeSeriesMapper.getInstance() .getTimeSeries(currentView.getProduct()); timeSeries.removeTimeSeriesListener(timeSeriesGraphTSL); currentView.removePixelPositionListener(pixelPosListener); currentView.removePropertyChangeListener(ProductSceneView.PROPERTY_NAME_SELECTED_PIN, pinSelectionListener); currentView.removePropertyChangeListener(TimeSeriesModule.TIME_PROPERTY, sliderListener); } currentView = newView; graphForm.setButtonsEnabled(currentView != null); if (currentView != null) { final Product currentProduct = currentView.getProduct(); final AbstractTimeSeries timeSeries = TimeSeriesMapper.getInstance().getTimeSeries(currentProduct); timeSeries.addTimeSeriesListener(timeSeriesGraphTSL); currentView.addPixelPositionListener(pixelPosListener); currentView.addPropertyChangeListener(ProductSceneView.PROPERTY_NAME_SELECTED_PIN, pinSelectionListener); currentView.addPropertyChangeListener(TimeSeriesModule.TIME_PROPERTY, sliderListener); final RasterDataNode raster = currentView.getRaster(); graphModel.adaptToTimeSeries(timeSeries); graphModel.updateAnnotation(raster); graphModel.updateTimeSeries(null, TimeSeriesType.INSITU); graphModel.updateTimeSeries(null, TimeSeriesType.PIN); String variableName = rasterToVariableName(raster.getName()); setDisplayName(String.format("%s - %s", Bundle.CTL_TimeSeriesGraphTopComponentName(), variableName)); } else { graphModel.removeAnnotation(); graphModel.adaptToTimeSeries(null); graphModel.updateTimeSeries(null, TimeSeriesType.INSITU); graphModel.updateTimeSeries(null, TimeSeriesType.PIN); setDisplayName(Bundle.CTL_TimeSeriesGraphTopComponentName()); } } private void updateTimeSeries(AbstractTimeSeries timeSeries) { graphModel.adaptToTimeSeries(timeSeries); graphModel.updateTimeSeries(null, TimeSeriesType.INSITU); graphModel.updateTimeSeries(null, TimeSeriesType.PIN); } private class TimeSeriesPPL implements PixelPositionListener { @Override public void pixelPosChanged(ImageLayer imageLayer, int pixelX, int pixelY, int currentLevel, boolean pixelPosValid, MouseEvent e) { if (!graphModel.isShowCursorTimeSeries()) { return; } if (pixelPosValid && isVisible() && currentView != null) { final TimeSeriesGraphUpdater.Position position = new TimeSeriesGraphUpdater.Position(pixelX, pixelY, currentLevel); graphModel.updateTimeSeries(position, TimeSeriesType.CURSOR); } final boolean autorange = e.isShiftDown(); final XYPlot xyPlot = chart.getXYPlot(); for (int i = 0; i < xyPlot.getRangeAxisCount(); i++) { xyPlot.getRangeAxis(i).setAutoRange(autorange); } if (currentView != null) { graphModel.updateAnnotation(currentView.getRaster()); } } @Override public void pixelPosNotAvailable() { if (!graphModel.isShowCursorTimeSeries()) { return; } graphModel.updateTimeSeries(null, TimeSeriesType.CURSOR); } } private class PinSelectionListener implements PropertyChangeListener { @Override public void propertyChange(PropertyChangeEvent evt) { if (graphModel.isShowingSelectedPins()) { graphModel.updateTimeSeries(null, TimeSeriesType.PIN); graphModel.updateTimeSeries(null, TimeSeriesType.INSITU); } } } private class TimeSeriesGraphTSL extends TimeSeriesListener { @Override public void timeSeriesChanged(TimeSeriesChangeEvent event) { int type = event.getType(); if (type == TimeSeriesChangeEvent.PROPERTY_PRODUCT_LOCATIONS || type == TimeSeriesChangeEvent.PROPERTY_EO_VARIABLE_SELECTION) { graphModel.updateAnnotation(currentView.getRaster()); updateTimeSeries(event.getTimeSeries()); } else if (type == TimeSeriesChangeEvent.PROPERTY_INSITU_VARIABLE_SELECTION || type == TimeSeriesChangeEvent.PROPERTY_AXIS_MAPPING_CHANGED || type == TimeSeriesChangeEvent.START_TIME_PROPERTY_NAME || type == TimeSeriesChangeEvent.END_TIME_PROPERTY_NAME) { updateTimeSeries(event.getTimeSeries()); } } @Override public void nodeChanged(ProductNodeEvent event) { String propertyName = event.getPropertyName(); if (propertyName.equals(Placemark.PROPERTY_NAME_PIXELPOS) || propertyName.equals(Placemark.PROPERTY_NAME_LABEL)) { graphModel.updateTimeSeries(null, TimeSeriesType.PIN); graphModel.updateTimeSeries(null, TimeSeriesType.INSITU); } } @Override public void nodeAdded(ProductNodeEvent event) { final ProductNode node = event.getSourceNode(); if (node instanceof Placemark) { handlePlacemarkChanged(); } else if (node instanceof RasterDataNode && currentView != null) { graphModel.adaptToTimeSeries(getTimeSeries()); graphModel.updateTimeSeries(null, TimeSeriesType.INSITU); graphModel.updateTimeSeries(null, TimeSeriesType.PIN); } } @Override public void nodeRemoved(ProductNodeEvent event) { final ProductNode node = event.getSourceNode(); if (node instanceof Placemark) { handlePlacemarkChanged(); } else if (node instanceof RasterDataNode && currentView != null) { graphModel.adaptToTimeSeries(getTimeSeries()); graphModel.updateTimeSeries(null, TimeSeriesType.INSITU); graphModel.updateTimeSeries(null, TimeSeriesType.PIN); } } private AbstractTimeSeries getTimeSeries() { final Product product = currentView.getProduct(); return TimeSeriesMapper.getInstance().getTimeSeries(product); } private void handlePlacemarkChanged() { final boolean placemarksSet = currentView.getProduct().getPinGroup().getNodeCount() > 0; graphForm.setExportEnabled(placemarksSet); updateTimeSeries(getTimeSeries()); } } private class SliderListener implements PropertyChangeListener { @Override public void propertyChange(PropertyChangeEvent evt) { graphModel.updateAnnotation(currentView.getRaster()); } } }