org.eclipse.amp.agf/plugins/org.eclipse.amp.agf.chart/src/org/eclipse/amp/agf/chart/ChartEditPart.java - gerrit/amp/org.eclipse.amp - Git at Google

 /**
  * <copyright>
  *
  * Copyright (c) 2009 Metascape, LLC.
  * All rights reserved.   This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *   Metascape - Initial API and Implementation
  *
  * </copyright>
  *
  */
 package org.eclipse.amp.agf.chart;

 import java.util.List;

 import org.eclipse.amp.agf.chart.ide.AGFChartPlugin;
 import org.eclipse.amp.axf.core.IModel;
 import org.eclipse.amp.axf.core.IObservationProvider;
 import org.eclipse.amp.axf.view.SWTAsyncModelListener;
 import org.eclipse.birt.chart.api.ChartEngine;
 import org.eclipse.birt.chart.device.ICallBackNotifier;
 import org.eclipse.birt.chart.device.IDeviceRenderer;
 import org.eclipse.birt.chart.exception.ChartException;
 import org.eclipse.birt.chart.factory.GeneratedChartState;
 import org.eclipse.birt.chart.factory.Generator;
 import org.eclipse.birt.chart.factory.RunTimeContext;
 import org.eclipse.birt.chart.model.Chart;
 import org.eclipse.birt.chart.model.attribute.Bounds;
 import org.eclipse.birt.chart.model.attribute.CallBackValue;
 import org.eclipse.birt.chart.model.attribute.ColorDefinition;
 import org.eclipse.birt.chart.model.attribute.Fill;
 import org.eclipse.birt.chart.model.attribute.Palette;
 import org.eclipse.birt.chart.model.attribute.impl.BoundsImpl;
 import org.eclipse.birt.chart.model.attribute.impl.ColorDefinitionImpl;
 import org.eclipse.birt.chart.model.attribute.impl.PaletteImpl;
 import org.eclipse.birt.core.framework.PlatformConfig;
 import org.eclipse.core.runtime.IAdapterManager;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.draw2d.AbstractLayout;
 import org.eclipse.draw2d.Figure;
 import org.eclipse.draw2d.FigureListener;
 import org.eclipse.draw2d.Graphics;
 import org.eclipse.draw2d.IFigure;
 import org.eclipse.draw2d.geometry.Dimension;
 import org.eclipse.draw2d.geometry.Point;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.gef.editparts.AbstractGraphicalEditPart;
 import org.eclipse.jface.viewers.IColorProvider;
 import org.eclipse.swt.events.DisposeEvent;
 import org.eclipse.swt.events.DisposeListener;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.GC;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.ui.statushandlers.StatusManager;

 public class ChartEditPart extends AbstractGraphicalEditPart implements ICallBackNotifier {

 	private Chart chart;

 	private final ResourceManager resourceManager;

 	private IDeviceRenderer renderer;

 	private GeneratedChartState chartState;

 	private IDataProvider dataProvider;

 	private IColorProvider seriesColorProvider;

 	private Palette genericPalette;

 	private Object dataSource;

 	private ChartModelListener chartListener;

 	private IDataSelectionListener dataListener;

 	private int nextOpenPaletteIndex;

 	private IChartDesignStrategy chartStrategy;

 	/**
 	 * Instantiates a new chart edit part.
 	 */
 	public ChartEditPart() {
 		resourceManager = new ResourceManager();
 		PlatformConfig config = new PlatformConfig();
 		try {
 			config.setProperty(IDeviceRenderer.UPDATE_NOTIFIER, this);
 			renderer = ChartEngine.instance(config).getRenderer("dv.SWT");
 		} catch (ChartException e) {
 			throw new RuntimeException(e);
 		}
 		genericPalette = PaletteImpl.create(0, true);
 		genericPalette.shift(0);
 	}

 	/**
 	 * The listener interface for receiving chartModel events. The class that is
 	 * interested in processing a chartModel event implements this interface, and
 	 * the object created with that class is registered with a component using the
 	 * component's <code>addChartModelListener<code> method. When
 	 * the chartModel event occurs, that object's appropriate
 	 * method is invoked.
 	 *
 	 * @see ChartModelEvent
 	 */
 	class ChartModelListener extends SWTAsyncModelListener {
 		/**
 		 * Instantiates a new chart model listener.
 		 */
 		public ChartModelListener() {
 			super(null, "Chart Updated View", 10000);
 		}

 		@Override
 		public void observing(IObservationProvider observed) {
 			// wait for data source to be available from model set..
 			while (getDataProvider() == null) {
 				try {
 					Thread.sleep(25);
 				} catch (InterruptedException e) {
 					//
 				}
 			}
 			setChartStrategy(ChartType.TIME_SERIES.createStrategy());
 		}

 		@Override
 		public void observeStart(IObservationProvider observed) {
 			updateChartSelection();
 			endPainting();
 		}

 		@Override
 		public void observeInitialize(IObservationProvider model) {
 			getResourceManager().setImage(null);
 		}

 		@Override
 		public void update(final IModel model) {
 			beginPainting();
 			getChartStrategy().update();
 			refresh();
 		}

 		@Override
 		public void observationEnd(IObservationProvider model) {
 			getDataProvider().removeListener(getDataSource(), getDataListener());
 			model = null;
 		}

 	}

 	private void updateValueSetColor(Object valueSet) {
 		String seriesLabel = dataProvider.getText(valueSet);
 		Color swtColor = seriesColorProvider.getForeground(seriesLabel);
 		EList<Fill> entries = chartStrategy.getValueSetsDefinition().getSeriesPalette().getEntries();
 		ColorDefinition cd = null;
 		if (swtColor == null) {
 			// List<Fill> palette = ySeriesDefinition.getSeriesPalette().getEntries();
 			// if (nextOpenPaletteIndex >= palette.size()) {
 			// nextOpenPaletteIndex = 0;
 			// }
 			// cd = (ColorDefinition) palette.get(nextOpenPaletteIndex);
 			// Color lineColor = new
 			// Color(org.eclipse.swt.widgets.Display.getCurrent(), cd.getRed(),
 			// cd.getGreen(), cd
 			// .getBlue());
 			if (seriesColorProvider instanceof CachedColorProvider) {
 				cd = (ColorDefinition) genericPalette.getEntries().get(nextOpenPaletteIndex++);
 				if (nextOpenPaletteIndex > genericPalette.getEntries().size() - 1) {
 					nextOpenPaletteIndex = 0;
 				}
 				swtColor = new Color(org.eclipse.swt.widgets.Display.getCurrent(), cd.getRed(), cd.getGreen(), cd.getBlue());
 				((CachedColorProvider) seriesColorProvider).putForegroundColor(seriesLabel, swtColor);
 			}
 		} else {
 			cd = ColorDefinitionImpl.create(swtColor.getRed(), swtColor.getGreen(), swtColor.getBlue());
 			// if (chartType == ChartType.TIME_SERIES) {
 			// cd = ((LineSeries) lineSeries).getLineAttributes().getColor();
 			// } else if (chartType == ChartType.STACKED_AREA) {
 			// cd = ((AreaSeries) lineSeries).getLineAttributes().getColor();
 			// }
 			// cd.setRed(swtColor.getRed());
 			// cd.setGreen(swtColor.getGreen());
 			// cd.setBlue(swtColor.getBlue());
 		}
 		entries.add(cd);
 	}

 	@Override
 	protected IFigure createFigure() {
 		chartListener.setWidget(getViewer().getControl());

 		final Figure newFigure = new Figure() {
 			@Override
 			public void paintFigure(Graphics graphics) {
 				if (getResourceManager().getImage() != null) {
 					graphics.drawImage(getResourceManager().getImage(), 0, 0);
 					if (getChartListener() != null) {
 						getChartListener().endPainting();
 					}
 				}
 			}
 		};
 		newFigure.setLayoutManager(new AbstractLayout() {
 			@Override
 			public Dimension getMinimumSize(IFigure container, int hintWidth, int hintHeight) {
 				return new Dimension(hintWidth < 1 ? 1 : hintWidth, hintHeight < 1 ? 1 : hintHeight);
 			}

 			@Override
 			protected Dimension calculatePreferredSize(IFigure container, int hintWidth, int hintHeight) {
 				return new Dimension(hintWidth < 1 ? 100 : hintWidth, hintHeight < 1 ? 100 : hintHeight);
 			}

 			public void layout(IFigure container) {
 				newFigure.setLocation(new Point(0, 0));
 			}
 		});
 		newFigure.addFigureListener(new FigureListener() {
 			public void figureMoved(IFigure source) {
 				regenerateChart();
 			}
 		});

 		return newFigure;
 	}

 	@Override
 	protected void createEditPolicies() {
 		//
 	}

 	@Override
 	public void refresh() {
 		new Thread() {
 			@Override
 			public void run() {
 				regenerateChart(true);
 			}
 		}.run();
 	}

 	@Override
 	public void setModel(Object model) {
 		super.setModel(model);
 		chartListener = new ChartModelListener();
 		((IModel) model).addModelListener(chartListener);
 		IAdapterManager adapterManager = Platform.getAdapterManager();
 		// We seem to need to force loading of the data provider, at least in the
 		// exemplar case
 		Object provider = adapterManager.loadAdapter(this.getModel(), IDataProvider.ID);

 		if (!(provider instanceof IDataProvider)) {
 			throw new RuntimeException("Couldn't find data provider for chart model. Please ensure that a data provider adapter has been defined for the class: " + this.getModel().getClass());
 		}

 		setDataProvider((IDataProvider) provider);

 		// createChart();
 	}

 	/**
 	 *
 	 * @see org.eclipse.birt.chart.device.IUpdateNotifier#regenerateChart()
 	 */
 	public void regenerateChart() {
 		regenerateChart(true);
 	}

 	/**
 	 * Regenerate chart.
 	 *
 	 * @param forceNewImage
 	 *          the force new image
 	 */
 	public synchronized void regenerateChart(boolean forceNewImage) {
 		if (forceNewImage) {
 			getResourceManager().setImage(null);
 		}
 		try {
 			if (chart != null && chartStrategy.isInitialized() && getFigure() != null && !getFigure().getSize().isEmpty()) {
 				createImage();
 				Dimension area = getFigure().getSize();
 				Bounds chartBounds = BoundsImpl.create(0, 0, area.width, area.height);
 				chartBounds.scale(72d / renderer.getDisplayServer().getDpiResolution());
 				Generator gr = Generator.instance();
 				RunTimeContext rtc = new RunTimeContext();
 				rtc.setScriptingEnabled(false);

 				// rtc.setScriptContext(csc);
 				// csc.setChartInstance(chart);
 				chartState = gr.build(renderer.getDisplayServer(), chart, chartBounds, rtc);
 				gr.render(renderer, chartState);
 				getFigure().repaint();
 			} else {
 				chartListener.endPainting();
 			}
 		} catch (ChartException ce) {
 			StatusManager.getManager().handle(new Status(Status.WARNING, AGFChartPlugin.PLUGIN_ID, "Couldn't generate chart.", ce));
 			chartListener.endPainting();
 		}
 	}

 	/**
 	 * Creates the image.
 	 */
 	public void createImage() {
 		Dimension area = getFigure().getSize();
 		Rectangle swtBounds = new Rectangle(0, 0, Math.max(area.width, 10), Math.max(area.height, 10));
 		if (resourceManager.getImage() == null || !resourceManager.getImage().getBounds().equals(swtBounds)) {
 			resourceManager.setImage(new Image(getViewer().getControl().getDisplay(), swtBounds));
 			resourceManager.setGc(new GC(resourceManager.getImage()));
 			renderer.setProperty(IDeviceRenderer.GRAPHICS_CONTEXT, resourceManager.getGc());
 		}
 	}

 	/**
 	 * Creates the chart.
 	 */
 	public synchronized void createChart() {
 		chart = chartStrategy.createChart(dataProvider, dataSource);
 		chart.getTitle().getLabel().setVisible(false);
 	}

 	/**
 	 * Update chart series.
 	 */
 	public synchronized void updateChartSelection() {
 		chartStrategy.updateSelection();
 		@SuppressWarnings("rawtypes")
 		List valueSets = dataProvider.getValueSets(dataSource);
 		chartStrategy.getValueSetsDefinition().getSeriesPalette().getEntries().clear();
 		for (Object valueSet : valueSets) {
 			updateValueSetColor(valueSet);
 		}
 	}

 	/**
 	 *
 	 * @see org.eclipse.birt.chart.device.IUpdateNotifier#getDesignTimeModel()
 	 */
 	public Chart getDesignTimeModel() {
 		return chart;
 	}

 	/**
 	 *
 	 * @see org.eclipse.birt.chart.device.IUpdateNotifier#getRunTimeModel()
 	 */
 	public Chart getRunTimeModel() {
 		return chartState.getChartModel();
 	}

 	ChartModelListener getChartListener() {
 		return chartListener;
 	}

 	IChartDesignStrategy getChartStrategy() {
 		return chartStrategy;
 	}

 	Object getDataSource() {
 		return dataSource;
 	}

 	IDataSelectionListener getDataListener() {
 		return dataListener;
 	}

 	/**
 	 *
 	 * @see org.eclipse.birt.chart.device.IUpdateNotifier#peerInstance()
 	 */
 	public Object peerInstance() {
 		return this;
 	}

 	/**
 	 *
 	 * @see org.eclipse.birt.chart.device.ICallBackNotifier#callback(java.lang.Object,
 	 *      java.lang.Object,
 	 *      org.eclipse.birt.chart.model.attribute.CallBackValue)
 	 */
 	public void callback(Object arg0, Object arg1, CallBackValue arg2) {
 		//
 	}

 	/**
 	 * Gets the chart.
 	 *
 	 * @return the chart
 	 */
 	public Chart getChart() {
 		return chart;
 	}

 	/**
 	 * Sets the series color provider.
 	 *
 	 * @param seriesColorProvider
 	 *          the new series color provider
 	 */
 	public void setSeriesColorProvider(IColorProvider seriesColorProvider) {
 		this.seriesColorProvider = seriesColorProvider;
 	}

 	/**
 	 *
 	 * @see org.eclipse.birt.chart.device.IUpdateNotifier#repaintChart()
 	 */
 	public void repaintChart() {
 		refresh();
 	}

 	@Override
 	public void deactivate() {
 		super.deactivate();
 		dataProvider.removeListener(dataSource, dataListener);
 	}

 	/**
 	 * Gets the data provider.
 	 *
 	 * @return the data provider
 	 */
 	public IDataProvider getDataProvider() {
 		return dataProvider;
 	}

 	/**
 	 * Sets the data provider.
 	 *
 	 * @param dataProvider
 	 *          the new data provider
 	 */
 	public synchronized void setDataProvider(IDataProvider dataProvider) {
 		this.dataProvider = dataProvider;
 		dataSource = dataProvider.getDataSource(getModel());
 		dataListener = new IDataSelectionListener() {
 			public void selectionChanged(Object dataSet) {
 				if (getParent() != null && getRoot() != null && getViewer() != null && getChart() != null) {
 					updateChartSelection();
 					getViewer().getControl().getDisplay().asyncExec(new Runnable() {
 						public void run() {
 							regenerateChart(true);
 						}
 					});
 				}
 			}
 		};
 		dataProvider.addListener(dataSource, dataListener);
 	}

 	public void setChartStrategy(IChartDesignStrategy chartStrategy) {
 		this.chartStrategy = chartStrategy;
 		createChart();
 		updateChartSelection();
 		if (getViewer().getControl().getDisplay() != null) {
 			getViewer().getControl().getDisplay().asyncExec(new Runnable() {
 				public void run() {
 					repaintChart();
 				}
 			});
 		}
 	}

 	/**
 	 * Gets the series color provider.
 	 *
 	 * @return the series color provider
 	 */
 	public IColorProvider getSeriesColorProvider() {
 		return seriesColorProvider;
 	}

 	public ResourceManager getResourceManager() {
 		return resourceManager;
 	}

 	/**
 	 * Encapsulate disposing of {@link GC} and {@link Image} resources.
 	 *
 	 * @author fei
 	 */
 	public class ResourceManager implements DisposeListener {
 		private GC gc;

 		private Image image;

 		private Control disposeEventProvider;

 		public ResourceManager() {
 			//
 		}

 		public void setGc(GC gc) {
 			if (this.gc != null && !this.gc.isDisposed()) {
 				this.gc.dispose();
 			}
 			this.gc = gc;
 			addDisposeListener();
 		}

 		GC getGc() {
 			return gc;
 		}

 		private void removeDisposeListener() {
 			if (disposeEventProvider != null) {
 				if (!disposeEventProvider.isDisposed()) {
 					if (getViewer() != null && disposeEventProvider.equals(getViewer().getControl())) {
 						return;
 					}

 					disposeEventProvider.removeDisposeListener(this);
 				}
 				disposeEventProvider = null;
 			}
 		}

 		private void addDisposeListener() {
 			removeDisposeListener();
 			if (disposeEventProvider == null && getViewer() != null && getViewer().getControl() != null && !getViewer().getControl().isDisposed()) {
 				disposeEventProvider = getViewer().getControl();
 				disposeEventProvider.addDisposeListener(this);
 			}
 		}

 		Image getImage() {
 			return image;
 		}

 		public void setImage(Image image) {
 			if (this.image != null && !this.image.isDisposed()) {
 				this.image.dispose();
 			}
 			this.image = image;
 			addDisposeListener();
 		}

 		public void widgetDisposed(DisposeEvent arg0) {
 			setImage(null);
 			setGc(null);
 			removeDisposeListener();
 		}
 	}
 }
	/**
	* <copyright>
	*
	* Copyright (c) 2009 Metascape, LLC.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Metascape - Initial API and Implementation
	*
	* </copyright>
	*
	*/
	package org.eclipse.amp.agf.chart;

	import java.util.List;

	import org.eclipse.amp.agf.chart.ide.AGFChartPlugin;
	import org.eclipse.amp.axf.core.IModel;
	import org.eclipse.amp.axf.core.IObservationProvider;
	import org.eclipse.amp.axf.view.SWTAsyncModelListener;
	import org.eclipse.birt.chart.api.ChartEngine;
	import org.eclipse.birt.chart.device.ICallBackNotifier;
	import org.eclipse.birt.chart.device.IDeviceRenderer;
	import org.eclipse.birt.chart.exception.ChartException;
	import org.eclipse.birt.chart.factory.GeneratedChartState;
	import org.eclipse.birt.chart.factory.Generator;
	import org.eclipse.birt.chart.factory.RunTimeContext;
	import org.eclipse.birt.chart.model.Chart;
	import org.eclipse.birt.chart.model.attribute.Bounds;
	import org.eclipse.birt.chart.model.attribute.CallBackValue;
	import org.eclipse.birt.chart.model.attribute.ColorDefinition;
	import org.eclipse.birt.chart.model.attribute.Fill;
	import org.eclipse.birt.chart.model.attribute.Palette;
	import org.eclipse.birt.chart.model.attribute.impl.BoundsImpl;
	import org.eclipse.birt.chart.model.attribute.impl.ColorDefinitionImpl;
	import org.eclipse.birt.chart.model.attribute.impl.PaletteImpl;
	import org.eclipse.birt.core.framework.PlatformConfig;
	import org.eclipse.core.runtime.IAdapterManager;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.draw2d.AbstractLayout;
	import org.eclipse.draw2d.Figure;
	import org.eclipse.draw2d.FigureListener;
	import org.eclipse.draw2d.Graphics;
	import org.eclipse.draw2d.IFigure;
	import org.eclipse.draw2d.geometry.Dimension;
	import org.eclipse.draw2d.geometry.Point;
	import org.eclipse.emf.common.util.EList;
	import org.eclipse.gef.editparts.AbstractGraphicalEditPart;
	import org.eclipse.jface.viewers.IColorProvider;
	import org.eclipse.swt.events.DisposeEvent;
	import org.eclipse.swt.events.DisposeListener;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.GC;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.graphics.Rectangle;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.ui.statushandlers.StatusManager;

	public class ChartEditPart extends AbstractGraphicalEditPart implements ICallBackNotifier {

	private Chart chart;

	private final ResourceManager resourceManager;

	private IDeviceRenderer renderer;

	private GeneratedChartState chartState;

	private IDataProvider dataProvider;

	private IColorProvider seriesColorProvider;

	private Palette genericPalette;

	private Object dataSource;

	private ChartModelListener chartListener;

	private IDataSelectionListener dataListener;

	private int nextOpenPaletteIndex;

	private IChartDesignStrategy chartStrategy;

	/**
	* Instantiates a new chart edit part.
	*/
	public ChartEditPart() {
	resourceManager = new ResourceManager();
	PlatformConfig config = new PlatformConfig();
	try {
	config.setProperty(IDeviceRenderer.UPDATE_NOTIFIER, this);
	renderer = ChartEngine.instance(config).getRenderer("dv.SWT");
	} catch (ChartException e) {
	throw new RuntimeException(e);
	}
	genericPalette = PaletteImpl.create(0, true);
	genericPalette.shift(0);
	}

	/**
	* The listener interface for receiving chartModel events. The class that is
	* interested in processing a chartModel event implements this interface, and
	* the object created with that class is registered with a component using the
	* component's <code>addChartModelListener<code> method. When
	* the chartModel event occurs, that object's appropriate
	* method is invoked.
	*
	* @see ChartModelEvent
	*/
	class ChartModelListener extends SWTAsyncModelListener {
	/**
	* Instantiates a new chart model listener.
	*/
	public ChartModelListener() {
	super(null, "Chart Updated View", 10000);
	}

	@Override
	public void observing(IObservationProvider observed) {
	// wait for data source to be available from model set..
	while (getDataProvider() == null) {
	try {
	Thread.sleep(25);
	} catch (InterruptedException e) {
	//
	}
	}
	setChartStrategy(ChartType.TIME_SERIES.createStrategy());
	}

	@Override
	public void observeStart(IObservationProvider observed) {
	updateChartSelection();
	endPainting();
	}

	@Override
	public void observeInitialize(IObservationProvider model) {
	getResourceManager().setImage(null);
	}

	@Override
	public void update(final IModel model) {
	beginPainting();
	getChartStrategy().update();
	refresh();
	}

	@Override
	public void observationEnd(IObservationProvider model) {
	getDataProvider().removeListener(getDataSource(), getDataListener());
	model = null;
	}

	}

	private void updateValueSetColor(Object valueSet) {
	String seriesLabel = dataProvider.getText(valueSet);
	Color swtColor = seriesColorProvider.getForeground(seriesLabel);
	EList<Fill> entries = chartStrategy.getValueSetsDefinition().getSeriesPalette().getEntries();
	ColorDefinition cd = null;
	if (swtColor == null) {
	// List<Fill> palette = ySeriesDefinition.getSeriesPalette().getEntries();
	// if (nextOpenPaletteIndex >= palette.size()) {
	// nextOpenPaletteIndex = 0;
	// }
	// cd = (ColorDefinition) palette.get(nextOpenPaletteIndex);
	// Color lineColor = new
	// Color(org.eclipse.swt.widgets.Display.getCurrent(), cd.getRed(),
	// cd.getGreen(), cd
	// .getBlue());
	if (seriesColorProvider instanceof CachedColorProvider) {
	cd = (ColorDefinition) genericPalette.getEntries().get(nextOpenPaletteIndex++);
	if (nextOpenPaletteIndex > genericPalette.getEntries().size() - 1) {
	nextOpenPaletteIndex = 0;
	}
	swtColor = new Color(org.eclipse.swt.widgets.Display.getCurrent(), cd.getRed(), cd.getGreen(), cd.getBlue());
	((CachedColorProvider) seriesColorProvider).putForegroundColor(seriesLabel, swtColor);
	}
	} else {
	cd = ColorDefinitionImpl.create(swtColor.getRed(), swtColor.getGreen(), swtColor.getBlue());
	// if (chartType == ChartType.TIME_SERIES) {
	// cd = ((LineSeries) lineSeries).getLineAttributes().getColor();
	// } else if (chartType == ChartType.STACKED_AREA) {
	// cd = ((AreaSeries) lineSeries).getLineAttributes().getColor();
	// }
	// cd.setRed(swtColor.getRed());
	// cd.setGreen(swtColor.getGreen());
	// cd.setBlue(swtColor.getBlue());
	}
	entries.add(cd);
	}

	@Override
	protected IFigure createFigure() {
	chartListener.setWidget(getViewer().getControl());

	final Figure newFigure = new Figure() {
	@Override
	public void paintFigure(Graphics graphics) {
	if (getResourceManager().getImage() != null) {
	graphics.drawImage(getResourceManager().getImage(), 0, 0);
	if (getChartListener() != null) {
	getChartListener().endPainting();
	}
	}
	}
	};
	newFigure.setLayoutManager(new AbstractLayout() {
	@Override
	public Dimension getMinimumSize(IFigure container, int hintWidth, int hintHeight) {
	return new Dimension(hintWidth < 1 ? 1 : hintWidth, hintHeight < 1 ? 1 : hintHeight);
	}

	@Override
	protected Dimension calculatePreferredSize(IFigure container, int hintWidth, int hintHeight) {
	return new Dimension(hintWidth < 1 ? 100 : hintWidth, hintHeight < 1 ? 100 : hintHeight);
	}

	public void layout(IFigure container) {
	newFigure.setLocation(new Point(0, 0));
	}
	});
	newFigure.addFigureListener(new FigureListener() {
	public void figureMoved(IFigure source) {
	regenerateChart();
	}
	});

	return newFigure;
	}

	@Override
	protected void createEditPolicies() {
	//
	}

	@Override
	public void refresh() {
	new Thread() {
	@Override
	public void run() {
	regenerateChart(true);
	}
	}.run();
	}

	@Override
	public void setModel(Object model) {
	super.setModel(model);
	chartListener = new ChartModelListener();
	((IModel) model).addModelListener(chartListener);
	IAdapterManager adapterManager = Platform.getAdapterManager();
	// We seem to need to force loading of the data provider, at least in the
	// exemplar case
	Object provider = adapterManager.loadAdapter(this.getModel(), IDataProvider.ID);

	if (!(provider instanceof IDataProvider)) {
	throw new RuntimeException("Couldn't find data provider for chart model. Please ensure that a data provider adapter has been defined for the class: " + this.getModel().getClass());
	}

	setDataProvider((IDataProvider) provider);

	// createChart();
	}

	/**
	*
	* @see org.eclipse.birt.chart.device.IUpdateNotifier#regenerateChart()
	*/
	public void regenerateChart() {
	regenerateChart(true);
	}

	/**
	* Regenerate chart.
	*
	* @param forceNewImage
	* the force new image
	*/
	public synchronized void regenerateChart(boolean forceNewImage) {
	if (forceNewImage) {
	getResourceManager().setImage(null);
	}
	try {
	if (chart != null && chartStrategy.isInitialized() && getFigure() != null && !getFigure().getSize().isEmpty()) {
	createImage();
	Dimension area = getFigure().getSize();
	Bounds chartBounds = BoundsImpl.create(0, 0, area.width, area.height);
	chartBounds.scale(72d / renderer.getDisplayServer().getDpiResolution());
	Generator gr = Generator.instance();
	RunTimeContext rtc = new RunTimeContext();
	rtc.setScriptingEnabled(false);

	// rtc.setScriptContext(csc);
	// csc.setChartInstance(chart);
	chartState = gr.build(renderer.getDisplayServer(), chart, chartBounds, rtc);
	gr.render(renderer, chartState);
	getFigure().repaint();
	} else {
	chartListener.endPainting();
	}
	} catch (ChartException ce) {
	StatusManager.getManager().handle(new Status(Status.WARNING, AGFChartPlugin.PLUGIN_ID, "Couldn't generate chart.", ce));
	chartListener.endPainting();
	}
	}

	/**
	* Creates the image.
	*/
	public void createImage() {
	Dimension area = getFigure().getSize();
	Rectangle swtBounds = new Rectangle(0, 0, Math.max(area.width, 10), Math.max(area.height, 10));
	if (resourceManager.getImage() == null \|\| !resourceManager.getImage().getBounds().equals(swtBounds)) {
	resourceManager.setImage(new Image(getViewer().getControl().getDisplay(), swtBounds));
	resourceManager.setGc(new GC(resourceManager.getImage()));
	renderer.setProperty(IDeviceRenderer.GRAPHICS_CONTEXT, resourceManager.getGc());
	}
	}

	/**
	* Creates the chart.
	*/
	public synchronized void createChart() {
	chart = chartStrategy.createChart(dataProvider, dataSource);
	chart.getTitle().getLabel().setVisible(false);
	}

	/**
	* Update chart series.
	*/
	public synchronized void updateChartSelection() {
	chartStrategy.updateSelection();
	@SuppressWarnings("rawtypes")
	List valueSets = dataProvider.getValueSets(dataSource);
	chartStrategy.getValueSetsDefinition().getSeriesPalette().getEntries().clear();
	for (Object valueSet : valueSets) {
	updateValueSetColor(valueSet);
	}
	}

	/**
	*
	* @see org.eclipse.birt.chart.device.IUpdateNotifier#getDesignTimeModel()
	*/
	public Chart getDesignTimeModel() {
	return chart;
	}

	/**
	*
	* @see org.eclipse.birt.chart.device.IUpdateNotifier#getRunTimeModel()
	*/
	public Chart getRunTimeModel() {
	return chartState.getChartModel();
	}

	ChartModelListener getChartListener() {
	return chartListener;
	}

	IChartDesignStrategy getChartStrategy() {
	return chartStrategy;
	}

	Object getDataSource() {
	return dataSource;
	}

	IDataSelectionListener getDataListener() {
	return dataListener;
	}

	/**
	*
	* @see org.eclipse.birt.chart.device.IUpdateNotifier#peerInstance()
	*/
	public Object peerInstance() {
	return this;
	}

	/**
	*
	* @see org.eclipse.birt.chart.device.ICallBackNotifier#callback(java.lang.Object,
	* java.lang.Object,
	* org.eclipse.birt.chart.model.attribute.CallBackValue)
	*/
	public void callback(Object arg0, Object arg1, CallBackValue arg2) {
	//
	}

	/**
	* Gets the chart.
	*
	* @return the chart
	*/
	public Chart getChart() {
	return chart;
	}

	/**
	* Sets the series color provider.
	*
	* @param seriesColorProvider
	* the new series color provider
	*/
	public void setSeriesColorProvider(IColorProvider seriesColorProvider) {
	this.seriesColorProvider = seriesColorProvider;
	}

	/**
	*
	* @see org.eclipse.birt.chart.device.IUpdateNotifier#repaintChart()
	*/
	public void repaintChart() {
	refresh();
	}

	@Override
	public void deactivate() {
	super.deactivate();
	dataProvider.removeListener(dataSource, dataListener);
	}

	/**
	* Gets the data provider.
	*
	* @return the data provider
	*/
	public IDataProvider getDataProvider() {
	return dataProvider;
	}

	/**
	* Sets the data provider.
	*
	* @param dataProvider
	* the new data provider
	*/
	public synchronized void setDataProvider(IDataProvider dataProvider) {
	this.dataProvider = dataProvider;
	dataSource = dataProvider.getDataSource(getModel());
	dataListener = new IDataSelectionListener() {
	public void selectionChanged(Object dataSet) {
	if (getParent() != null && getRoot() != null && getViewer() != null && getChart() != null) {
	updateChartSelection();
	getViewer().getControl().getDisplay().asyncExec(new Runnable() {
	public void run() {
	regenerateChart(true);
	}
	});
	}
	}
	};
	dataProvider.addListener(dataSource, dataListener);
	}

	public void setChartStrategy(IChartDesignStrategy chartStrategy) {
	this.chartStrategy = chartStrategy;
	createChart();
	updateChartSelection();
	if (getViewer().getControl().getDisplay() != null) {
	getViewer().getControl().getDisplay().asyncExec(new Runnable() {
	public void run() {
	repaintChart();
	}
	});
	}
	}

	/**
	* Gets the series color provider.
	*
	* @return the series color provider
	*/
	public IColorProvider getSeriesColorProvider() {
	return seriesColorProvider;
	}

	public ResourceManager getResourceManager() {
	return resourceManager;
	}

	/**
	* Encapsulate disposing of {@link GC} and {@link Image} resources.
	*
	* @author fei
	*/
	public class ResourceManager implements DisposeListener {
	private GC gc;

	private Image image;

	private Control disposeEventProvider;

	public ResourceManager() {
	//
	}

	public void setGc(GC gc) {
	if (this.gc != null && !this.gc.isDisposed()) {
	this.gc.dispose();
	}
	this.gc = gc;
	addDisposeListener();
	}

	GC getGc() {
	return gc;
	}

	private void removeDisposeListener() {
	if (disposeEventProvider != null) {
	if (!disposeEventProvider.isDisposed()) {
	if (getViewer() != null && disposeEventProvider.equals(getViewer().getControl())) {
	return;
	}

	disposeEventProvider.removeDisposeListener(this);
	}
	disposeEventProvider = null;
	}
	}

	private void addDisposeListener() {
	removeDisposeListener();
	if (disposeEventProvider == null && getViewer() != null && getViewer().getControl() != null && !getViewer().getControl().isDisposed()) {
	disposeEventProvider = getViewer().getControl();
	disposeEventProvider.addDisposeListener(this);
	}
	}

	Image getImage() {
	return image;
	}

	public void setImage(Image image) {
	if (this.image != null && !this.image.isDisposed()) {
	this.image.dispose();
	}
	this.image = image;
	addDisposeListener();
	}

	public void widgetDisposed(DisposeEvent arg0) {
	setImage(null);
	setGc(null);
	removeDisposeListener();
	}
	}
	}