Java ChartEntity类代码示例

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns a string for the tooltip.
 * 
 * @param e
 *            the mouse event.
 * 
 * @return A tool tip or <code>null</code> if no tooltip is available.
 */

@Override
public String getToolTipText(MouseEvent e) {

	String result = null;
	if (this.info != null) {
		EntityCollection entities = this.info.getEntityCollection();
		if (entities != null) {
			Insets insets = getInsets();
			ChartEntity entity = entities.getEntity((int) ((e.getX() - insets.left) / this.scaleX),
					(int) ((e.getY() - insets.top) / this.scaleY));
			if (entity != null) {
				result = entity.getToolTipText();
			}
		}
	}
	return result;

}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns the chart entity at a given point.
 * <P>
 * This method will return null if there is (a) no entity at the given point, or (b) no entity
 * collection has been generated.
 * 
 * @param viewX
 *            the x-coordinate.
 * @param viewY
 *            the y-coordinate.
 * 
 * @return The chart entity (possibly <code>null</code>).
 */

@Override
public ChartEntity getEntityForPoint(int viewX, int viewY) {

	ChartEntity result = null;
	if (this.info != null) {
		Insets insets = getInsets();
		double x = (viewX - insets.left) / this.scaleX;
		double y = (viewY - insets.top) / this.scaleY;
		EntityCollection entities = this.info.getEntityCollection();
		result = entities != null ? entities.getEntity(x, y) : null;
	}
	return result;

}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns the tooltip text.
 * 
 * @param canvas  the canvas that is displaying the chart.
 * @param x  the x-coordinate of the mouse pointer.
 * @param y  the y-coordinate of the mouse pointer.
 * 
 * @return String The tooltip text (possibly {@code null}).
  */
private String getTooltipText(ChartCanvas canvas, double x, double y) {
    ChartRenderingInfo info = canvas.getRenderingInfo();
    if (info == null) {
        return null;
    }
    EntityCollection entities = info.getEntityCollection();
    if (entities == null) {
        return null;
    }
    ChartEntity entity = entities.getEntity(x, y);
    if (entity == null) {
        return null;
    }
    return entity.getToolTipText();
}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns a string for the tooltip.
 *
 * @param e  the mouse event.
 *
 * @return a tool tip or <code>null</code> if no tooltip is available.
 */
public String getToolTipText(MouseEvent e) {

    String result = null;

    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            Insets insets = getInsets();
            ChartEntity entity = entities.getEntity(
                (int) ((e.getX() - insets.left) / this.scaleX),
                (int) ((e.getY() - insets.top) / this.scaleY)
            );
            if (entity != null) {
                result = entity.getToolTipText();
            }
        }
    }

    return result;

}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Creates an HTML image map.
 *
 * @param name  the map name (<code>null</code> not permitted).
 * @param info  the chart rendering info (<code>null</code> not permitted).
 * @param toolTipTagFragmentGenerator  the tool tip generator.
 * @param urlTagFragmentGenerator  the url generator.
 *
 * @return the map tag.
 */
public static String getImageMap(String name,
                                 ChartRenderingInfo info,
                                 ToolTipTagFragmentGenerator toolTipTagFragmentGenerator,
                                 URLTagFragmentGenerator urlTagFragmentGenerator) {

    StringBuffer sb = new StringBuffer();
    sb.append("<MAP NAME=\"" + name + "\">");
    sb.append(System.getProperty("line.separator"));
    EntityCollection entities = info.getEntityCollection();
    if (entities != null) {
        Iterator iterator = entities.iterator();
        while (iterator.hasNext()) {
            ChartEntity entity = (ChartEntity) iterator.next();
            String area = entity.getImageMapAreaTag(toolTipTagFragmentGenerator,
                                                    urlTagFragmentGenerator);
            if (area.length() > 0) {
                sb.append(area);
                sb.append(System.getProperty("line.separator"));
            }
        }
    }
    sb.append("</MAP>");

    return sb.toString();
}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns a string for the tooltip.
 *
 * @param e  the mouse event.
 *
 * @return A tool tip or <code>null</code> if no tooltip is available.
 */
public String getToolTipText(org.eclipse.swt.events.MouseEvent e) {
    String result = null;
    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            Rectangle insets = getBounds();
            ChartEntity entity = entities.getEntity(
                    (int) ((e.x - insets.x) / this.scaleX),
                    (int) ((e.y - insets.y) / this.scaleY));
            if (entity != null) {
                result = entity.getToolTipText();
            }
        }
    }
    return result;

}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Confirm that the equals method can distinguish all the required fields.
 */
public void testEquals() {
    ChartRenderingInfo i1 = new ChartRenderingInfo();
    ChartRenderingInfo i2 = new ChartRenderingInfo();
    assertTrue(i1.equals(i2));
    
    i1.setChartArea(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
    assertFalse(i1.equals(i2));
    i2.setChartArea(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
    assertTrue(i1.equals(i2));
    
    i1.getPlotInfo().setDataArea(new Rectangle(1, 2, 3, 4));
    assertFalse(i1.equals(i2));
    i2.getPlotInfo().setDataArea(new Rectangle(1, 2, 3, 4));
    assertTrue(i1.equals(i2));
    
    StandardEntityCollection e1 = new StandardEntityCollection();
    e1.add(new ChartEntity(new Rectangle(1, 2, 3, 4)));
    i1.setEntityCollection(e1);
    assertFalse(i1.equals(i2));
    StandardEntityCollection e2 = new StandardEntityCollection();
    e2.add(new ChartEntity(new Rectangle(1, 2, 3, 4)));
    i2.setEntityCollection(e2); 
}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns a string for the tooltip.
 *
 * @param e  the mouse event.
 *
 * @return A tool tip or <code>null</code> if no tooltip is available.
 */
public String getToolTipText(MouseEvent e) {

    String result = null;
    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            Insets insets = getInsets();
            ChartEntity entity = entities.getEntity(
                    (int) ((e.getX() - insets.left) / this.scaleX),
                    (int) ((e.getY() - insets.top) / this.scaleY));
            if (entity != null) {
                result = entity.getToolTipText();
            }
        }
    }
    return result;

}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns a string for the tooltip.
 *
 * @param e  the mouse event.
 *
 * @return A tool tip or <code>null</code> if no tooltip is available.
 */
public String getToolTipText(org.eclipse.swt.events.MouseEvent e) {
    String result = null;
    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            Rectangle insets = getClientArea();
            ChartEntity entity = entities.getEntity(
                    (int) ((e.x - insets.x) / this.scaleX),
                    (int) ((e.y - insets.y) / this.scaleY));
            if (entity != null) {
                result = entity.getToolTipText();
            }
        }
    }
    return result;

}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Confirm that the equals method can distinguish all the required fields.
 */
@Test
public void testEquals() {
    ChartRenderingInfo i1 = new ChartRenderingInfo();
    ChartRenderingInfo i2 = new ChartRenderingInfo();
    assertEquals(i1, i2);

    i1.setChartArea(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
    assertFalse(i1.equals(i2));
    i2.setChartArea(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
    assertEquals(i1, i2);

    i1.getPlotInfo().setDataArea(new Rectangle(1, 2, 3, 4));
    assertFalse(i1.equals(i2));
    i2.getPlotInfo().setDataArea(new Rectangle(1, 2, 3, 4));
    assertEquals(i1, i2);

    StandardEntityCollection e1 = new StandardEntityCollection();
    e1.add(new ChartEntity(new Rectangle(1, 2, 3, 4)));
    i1.setEntityCollection(e1);
    assertFalse(i1.equals(i2));
    StandardEntityCollection e2 = new StandardEntityCollection();
    e2.add(new ChartEntity(new Rectangle(1, 2, 3, 4)));
    i2.setEntityCollection(e2);
}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Confirm that cloning works.
 */
@Test
public void testCloning() throws CloneNotSupportedException {
    ChartRenderingInfo i1 = new ChartRenderingInfo();
    ChartRenderingInfo i2 = (ChartRenderingInfo) i1.clone();

    assertNotSame(i1, i2);
    assertSame(i1.getClass(), i2.getClass());
    assertEquals(i1, i2);

    // check independence
    i1.getChartArea().setRect(4.0, 3.0, 2.0, 1.0);
    assertFalse(i1.equals(i2));
    i2.getChartArea().setRect(4.0, 3.0, 2.0, 1.0);
    assertEquals(i1, i2);

    i1.getEntityCollection().add(new ChartEntity(new Rectangle(1, 2, 2,
            1)));
    assertFalse(i1.equals(i2));
    i2.getEntityCollection().add(new ChartEntity(new Rectangle(1, 2, 2,
            1)));
    assertEquals(i1, i2);

}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns the tooltip text.
 * 
 * @param canvas  the canvas that is displaying the chart.
 * @param x  the x-coordinate of the mouse pointer.
 * @param y  the y-coordinate of the mouse pointer.
 * 
 * @return String The tooltip text (possibly <code>null</code>).
  */
private String getTooltipText(ChartCanvas canvas, double x, double y) {
    ChartRenderingInfo info = canvas.getRenderingInfo();
    if (info == null) {
        return null;
    }
    EntityCollection entities = info.getEntityCollection();
    if (entities == null) {
        return null;
    }
    ChartEntity entity = entities.getEntity(x, y);
    if (entity == null) {
        return null;
    }
    return entity.getToolTipText();
}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns a string for the tooltip.
 *
 * @param e  the mouse event.
 *
 * @return A tool tip or <code>null</code> if no tooltip is available.
 */
@Override
public String getToolTipText(MouseEvent e) {
    String result = null;
    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            Insets insets = getInsets();
            ChartEntity entity = entities.getEntity(
                    (int) ((e.getX() - insets.left) / this.scaleX),
                    (int) ((e.getY() - insets.top) / this.scaleY));
            if (entity != null) {
                result = entity.getToolTipText();
            }
        }
    }
    return result;
}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Returns a string for the tooltip.
 *
 * @param e  the mouse event.
 *
 * @return A tool tip or {@code null} if no tooltip is available.
 */
@Override
public String getToolTipText(MouseEvent e) {
    String result = null;
    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            Insets insets = getInsets();
            ChartEntity entity = entities.getEntity(
                    (int) ((e.getX() - insets.left) / this.scaleX),
                    (int) ((e.getY() - insets.top) / this.scaleY));
            if (entity != null) {
                result = entity.getToolTipText();
            }
        }
    }
    return result;
}
 

import org.jfree.chart.entity.ChartEntity; //导入依赖的package包/类
/**
 * Confirm that cloning works.
 * @throws java.lang.CloneNotSupportedException
 */
@Test
public void testCloning() throws CloneNotSupportedException {
    ChartRenderingInfo i1 = new ChartRenderingInfo();
    ChartRenderingInfo i2 = (ChartRenderingInfo) i1.clone();

    assertNotSame(i1, i2);
    assertSame(i1.getClass(), i2.getClass());
    assertEquals(i1, i2);

    // check independence
    i1.getChartArea().setRect(4.0, 3.0, 2.0, 1.0);
    assertFalse(i1.equals(i2));
    i2.getChartArea().setRect(4.0, 3.0, 2.0, 1.0);
    assertEquals(i1, i2);

    i1.getEntityCollection().add(new ChartEntity(new Rectangle(1, 2, 2,
            1)));
    assertFalse(i1.equals(i2));
    i2.getEntityCollection().add(new ChartEntity(new Rectangle(1, 2, 2,
            1)));
    assertEquals(i1, i2);

}