Java XYItemEntity类代码示例

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * Adds an entity to the collection.
 * 
 * @param entities  the entity collection being populated.
 * @param area  the entity area (if <code>null</code> a default will be used).
 * @param entityX  the entity's center x-coordinate in user space.
 * @param entityY  the entity's center y-coordinate in user space.
 * @param dataset  the dataset.
 * @param series  the series.
 * @param item  the item.
 */
protected void addEntity(EntityCollection entities, Shape area, 
                         XYDataset dataset, int series, int item,
                         double entityX, double entityY) {
    
    if (area == null) {
        area = new Ellipse2D.Double(
            entityX - this.defaultEntityRadius, entityY - this.defaultEntityRadius, 
            this.defaultEntityRadius * 2, this.defaultEntityRadius * 2
        );
    }
    String tip = null;
    XYToolTipGenerator generator = getToolTipGenerator(series, item);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, series, item);
    }
    String url = null;
    if (getURLGenerator() != null) {
        url = getURLGenerator().generateURL(dataset, series, item);
    }
    XYItemEntity entity = new XYItemEntity(area, dataset, series, item, tip, url);
    entities.addEntity(entity);
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param area  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param series  the series.
 * @param item  the item.
 * @param entityX  the entity's center x-coordinate in user space.
 * @param entityY  the entity's center y-coordinate in user space.
 */
protected void addEntity(EntityCollection entities, Shape area,
                         XYDataset dataset, int series, int item,
                         double entityX, double entityY) {
    if (!getItemCreateEntity(series, item)) {
        return;
    }
    if (area == null) {
        area = new Ellipse2D.Double(entityX - this.defaultEntityRadius,
                entityY - this.defaultEntityRadius,
                this.defaultEntityRadius * 2, this.defaultEntityRadius * 2);
    }
    String tip = null;
    XYToolTipGenerator generator = getToolTipGenerator(series, item);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, series, item);
    }
    String url = null;
    if (getURLGenerator() != null) {
        url = getURLGenerator().generateURL(dataset, series, item);
    }
    XYItemEntity entity = new XYItemEntity(area, dataset, series, item,
            tip, url);
    entities.add(entity);
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * A check to ensure that an item that falls outside the plot's data area
 * does NOT generate an item entity.
 */
@Test
public void testNoDisplayedItem() {
    XYSeriesCollection dataset = new XYSeriesCollection();
    XYSeries s1 = new XYSeries("S1");
    s1.add(10.0, 10.0);
    dataset.addSeries(s1);
    JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y",
            dataset, PlotOrientation.VERTICAL, false, true, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRenderer(new StandardXYItemRenderer());
    NumberAxis xAxis = (NumberAxis) plot.getDomainAxis();
    xAxis.setRange(0.0, 5.0);
    NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
    yAxis.setRange(0.0, 5.0);
    BufferedImage image = new BufferedImage(200 , 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    ChartRenderingInfo info = new ChartRenderingInfo();
    chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, info);
    g2.dispose();
    EntityCollection ec = info.getEntityCollection();
    assertFalse(TestUtilities.containsInstanceOf(ec.getEntities(),
            XYItemEntity.class));
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * A check to ensure that an item that falls outside the plot's data area
 * does NOT generate an item entity.
 */
@Test
public void testNoDisplayedItem() {
    XYSeriesCollection dataset = new XYSeriesCollection();
    XYSeries s1 = new XYSeries("S1");
    s1.add(10.0, 10.0);
    dataset.addSeries(s1);
    JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y",
            dataset, PlotOrientation.VERTICAL, false, true, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRenderer(new StandardXYItemRenderer());
    NumberAxis xAxis = (NumberAxis) plot.getDomainAxis();
    xAxis.setRange(0.0, 5.0);
    NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
    yAxis.setRange(0.0, 5.0);
    BufferedImage image = new BufferedImage(200 , 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    ChartRenderingInfo info = new ChartRenderingInfo();
    chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, info);
    g2.dispose();
    EntityCollection ec = info.getEntityCollection();
    assertFalse(TestUtils.containsInstanceOf(ec.getEntities(),
            XYItemEntity.class));
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
@Override
public JRPrintHyperlink getEntityHyperlink(ChartEntity entity)
{
	JRPrintHyperlink printHyperlink = null;
	if (hasHyperlinks() && entity instanceof XYItemEntity)
	{
		XYItemEntity itemEntity = (XYItemEntity) entity;
		XYDataset dataset = itemEntity.getDataset();
		Comparable<?> serie = dataset.getSeriesKey(itemEntity.getSeriesIndex());
		Map<Pair, JRPrintHyperlink> serieHyperlinks = itemHyperlinks.get(serie);
		if (serieHyperlinks != null)
		{
			Number x = dataset.getX(itemEntity.getSeriesIndex(), itemEntity.getItem());
			Number y = dataset.getY(itemEntity.getSeriesIndex(), itemEntity.getItem());
			Pair<Number,Number> xyKey = new Pair<Number,Number>(x, y);
			printHyperlink = serieHyperlinks.get(xyKey);
		}
	}
	return printHyperlink;
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
@Override
public JRPrintHyperlink getEntityHyperlink(ChartEntity entity)
{
	JRPrintHyperlink printHyperlink = null;
	if (hasHyperlinks() && entity instanceof XYItemEntity)
	{
		XYItemEntity itemEntity = (XYItemEntity) entity;
		TimeSeriesCollection dataset = (TimeSeriesCollection) itemEntity.getDataset();
		TimeSeries series = dataset.getSeries(itemEntity.getSeriesIndex());
		Map<RegularTimePeriod, JRPrintHyperlink> serieHyperlinks = itemHyperlinks.get(series.getKey());
		if (serieHyperlinks != null)
		{
			RegularTimePeriod timePeriod = series.getTimePeriod(itemEntity.getItem());
			printHyperlink = serieHyperlinks.get(timePeriod);
		}
	}
	return printHyperlink;
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
@Override
public JRPrintHyperlink getEntityHyperlink(ChartEntity entity)
{
	JRPrintHyperlink printHyperlink = null;
	if (hasHyperlinks() && entity instanceof XYItemEntity)
	{
		XYItemEntity itemEntity = (XYItemEntity) entity;
		TimePeriodValuesCollection dataset = (TimePeriodValuesCollection) itemEntity.getDataset();
		TimePeriodValues series = dataset.getSeries(itemEntity.getSeriesIndex());
		Map<TimePeriod, JRPrintHyperlink> serieHyperlinks = itemHyperlinks.get(series.getKey());
		if (serieHyperlinks != null)
		{
			TimePeriod timePeriod = series.getTimePeriod(itemEntity.getItem());
			printHyperlink = serieHyperlinks.get(timePeriod);
		}
	}
	return printHyperlink;
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * Callback method for receiving notification of a mouse movement on a
 * chart.
 *
 * @param event information about the event.
 */
public void chartMouseMoved(ChartMouseEvent event)
{
    if (!(event.getChart().getXYPlot().getRenderer() instanceof MotionBubbleRenderer))
    {
        return;
    }

    MotionBubbleRenderer renderer = (MotionBubbleRenderer) event.getChart().getXYPlot().getRenderer();

    if (!(event.getEntity() instanceof XYItemEntity))
    {
        renderer.setHighlightedItem(-1, -1);
        return;
    }

    XYItemEntity item = (XYItemEntity) event.getEntity();
    renderer.setHighlightedItem(item.getSeriesIndex(), item.getItem());
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * A check to ensure that an item that falls outside the plot's data area
 * does NOT generate an item entity.
 */
public void testNoDisplayedItem() {
    XYSeriesCollection dataset = new XYSeriesCollection();
    XYSeries s1 = new XYSeries("S1");
    s1.add(10.0, 10.0);
    dataset.addSeries(s1);
    JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y",
            dataset, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRenderer(new StandardXYItemRenderer());
    NumberAxis xAxis = (NumberAxis) plot.getDomainAxis();
    xAxis.setRange(0.0, 5.0);
    NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
    yAxis.setRange(0.0, 5.0);
    BufferedImage image = new BufferedImage(200 , 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    ChartRenderingInfo info = new ChartRenderingInfo();
    chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, info);
    g2.dispose();
    EntityCollection ec = info.getEntityCollection();
    assertFalse(TestUtilities.containsInstanceOf(ec.getEntities(),
            XYItemEntity.class));
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * Adds an entity to the collection.
 * 
 * @param entities  the entity collection being populated.
 * @param area  the entity area (if <code>null</code> a default will be 
 *              used).
 * @param dataset  the dataset.
 * @param series  the series.
 * @param item  the item.
 * @param entityX  the entity's center x-coordinate in user space.
 * @param entityY  the entity's center y-coordinate in user space.
 */
protected void addEntity(EntityCollection entities, Shape area, 
                         XYDataset dataset, int series, int item,
                         double entityX, double entityY) {
    if (!getItemCreateEntity(series, item)) {
        return;
    }
    if (area == null) {
        area = new Ellipse2D.Double(entityX - this.defaultEntityRadius, 
                entityY - this.defaultEntityRadius, 
                this.defaultEntityRadius * 2, this.defaultEntityRadius * 2);
    }
    String tip = null;
    XYToolTipGenerator generator = getToolTipGenerator(series, item);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, series, item);
    }
    String url = null;
    if (getURLGenerator() != null) {
        url = getURLGenerator().generateURL(dataset, series, item);
    }
    XYItemEntity entity = new XYItemEntity(area, dataset, series, item, 
            tip, url);
    entities.add(entity);
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
public void mousePressed(MouseEvent e) {
    chartPanel.requestFocusInWindow();
    Insets insets = chartPanel.getInsets();
    int x = (int) ((e.getX() - insets.left) / chartPanel.getScaleX());
    int y = (int) ((e.getY() - insets.top) / chartPanel.getScaleY());
    ChartEntity entity = chartPanel.getChartRenderingInfo().getEntityCollection().getEntity(x,  y);
    if (entity == null || !(entity instanceof XYItemEntity))
        return;
    IsMovable = true;
    chartPanel.setCursor(new Cursor(Cursor.HAND_CURSOR));
    xyItemEntity = (XYItemEntity)entity;
    XYPlot plot = chartPanel.getChart().getXYPlot();
    Rectangle2D dataArea = chartPanel.getChartRenderingInfo().getPlotInfo().getDataArea();
    Point2D p = chartPanel.translateScreenToJava2D(e.getPoint());
    initialMovePointY = plot.getRangeAxis().java2DToValue(p.getY(), dataArea, plot.getRangeAxisEdge());
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * Confirm that the equals method can distinguish all the required fields.
 */
public void testEquals() {
    XYItemEntity e1 = new XYItemEntity(
        new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0),
        new TimeSeriesCollection(), 1, 9, "ToolTip", "URL"
    ); 
    XYItemEntity e2 = new XYItemEntity(
        new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0),
        new TimeSeriesCollection(), 1, 9, "ToolTip", "URL"
    ); 
    assertTrue(e1.equals(e2));  
    
    e1.setArea(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0));
    assertFalse(e1.equals(e2));
    e2.setArea(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0));
    assertTrue(e1.equals(e2));  

    e1.setToolTipText("New ToolTip");
    assertFalse(e1.equals(e2));
    e2.setToolTipText("New ToolTip");
    assertTrue(e1.equals(e2));  

    e1.setURLText("New URL");
    assertFalse(e1.equals(e2));
    e2.setURLText("New URL");
    assertTrue(e1.equals(e2));  
    
    e1.setSeriesIndex(88);
    assertFalse(e1.equals(e2));
    e2.setSeriesIndex(88);
    assertTrue(e1.equals(e2)); 
    
    e1.setItem(88);
    assertFalse(e1.equals(e2));
    e2.setItem(88);
    assertTrue(e1.equals(e2)); 
    
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param area  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param series  the series.
 * @param item  the item.
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 */
protected void addEntity(EntityCollection entities, Shape area,
                         XYDataset dataset, int series, int item,
                         double entityX, double entityY) {
    if (!getItemCreateEntity(series, item)) {
        return;
    }
    Shape hotspot = area;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            hotspot = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            hotspot = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    XYToolTipGenerator generator = getToolTipGenerator(series, item);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, series, item);
    }
    String url = null;
    if (getURLGenerator() != null) {
        url = getURLGenerator().generateURL(dataset, series, item);
    }
    XYItemEntity entity = new XYItemEntity(hotspot, dataset, series, item,
            tip, url);
    entities.add(entity);
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * Adds an entity to the collection.  Note the the {@code entityX} and
 * {@code entityY} coordinates are in Java2D space, should already be 
 * adjusted for the plot orientation, and will only be used if 
 * {@code hotspot} is {@code null}.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if {@code null} a default will be
 *              used).
 * @param dataset  the dataset.
 * @param series  the series.
 * @param item  the item.
 * @param entityX  the entity x-coordinate (in Java2D space, only used if 
 *         {@code hotspot} is {@code null}).
 * @param entityY  the entity y-coordinate (in Java2D space, only used if 
 *         {@code hotspot} is {@code null}).
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        XYDataset dataset, int series, int item, double entityX, 
        double entityY) {
    
    if (!getItemCreateEntity(series, item)) {
        return;
    }

    // if not hotspot is provided, we create a default based on the 
    // provided data coordinates (which are already in Java2D space)
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        hotspot = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
    }
    String tip = null;
    XYToolTipGenerator generator = getToolTipGenerator(series, item);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, series, item);
    }
    String url = null;
    if (getURLGenerator() != null) {
        url = getURLGenerator().generateURL(dataset, series, item);
    }
    XYItemEntity entity = new XYItemEntity(hotspot, dataset, series, item,
            tip, url);
    entities.add(entity);
}
 

import org.jfree.chart.entity.XYItemEntity; //导入依赖的package包/类
/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param area  the entity area (if {@code null} a default will be
 *              used).
 * @param dataset  the dataset.
 * @param series  the series.
 * @param item  the item.
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if {@code area} is {@code null}).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if {@code area} is {@code null}).
 */
protected void addEntity(EntityCollection entities, Shape area,
                         XYDataset dataset, int series, int item,
                         double entityX, double entityY) {
    if (!getItemCreateEntity(series, item)) {
        return;
    }
    Shape hotspot = area;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            hotspot = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            hotspot = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    XYToolTipGenerator generator = getToolTipGenerator(series, item);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, series, item);
    }
    String url = null;
    if (getURLGenerator() != null) {
        url = getURLGenerator().generateURL(dataset, series, item);
    }
    XYItemEntity entity = new XYItemEntity(hotspot, dataset, series, item,
            tip, url);
    entities.add(entity);
}