Example usage for org.jfree.chart.entity EntityCollection getEntity

Introduction

In this page you can find the example usage for org.jfree.chart.entity EntityCollection getEntity.

Prototype

public ChartEntity getEntity(double x, double y);

Source Link

Document

Returns an entity whose area contains the specified point.

Usage

From source file:org.rdv.viz.chart.ChartPanel.java

/**
 * Returns the chart entity at a given point.
 * <P>/*  w w  w.  j  ava2  s  .c o m*/
 * 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>).
 */
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;

}

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From source file:org.rdv.viz.chart.ChartPanel.java

/**
 * Receives notification of mouse clicks on the panel. These are
 * translated and passed on to any registered {@link ChartMouseListener}s.
 *
 * @param event  Information about the mouse event.
 *///from   ww w.j av a 2s.  c  o  m
public void mouseClicked(MouseEvent event) {

    Insets insets = getInsets();
    int x = (int) ((event.getX() - insets.left) / this.scaleX);
    int y = (int) ((event.getY() - insets.top) / this.scaleY);

    this.anchor = new Point2D.Double(x, y);
    if (this.chart == null) {
        return;
    }
    this.chart.setNotify(true); // force a redraw
    // new entity code...
    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }

    ChartEntity entity = null;
    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            entity = entities.getEntity(x, y);
        }
    }
    ChartMouseEvent chartEvent = new ChartMouseEvent(getChart(), event, entity);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseClicked(chartEvent);
    }

}

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From source file:org.rdv.viz.chart.ChartPanel.java

/**
 * Returns a string for the tooltip.//from www . jav  a 2  s .c  o m
 *
 * @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;

}

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From source file:edu.pitt.dbmi.odie.ui.jfreechart.EnhancedChartComposite.java

/**
 * Finds the chart entity at the given co-ordinates. If the co-ordinates are
 * not within a given entity scrolls down(vertical plot) or left(plot
 * horizontal) until it is within the entity or outside the plot area.
 * /*from  www  .j av a2  s .  c  o m*/
 * @param x
 * @param y
 * @return The entity at the co-ordinates. Returns null if no entity found
 */
private ChartEntity getEntityForLocation(double x, double y) {
    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            ChartEntity entity = null;
            Rectangle rect = getScreenDataArea();

            int count = 0;
            // //logger.debug(rect.x + "," + rect.y +"," + rect.width + ","
            // + rect.height);

            Point2D javaPoint = translateScreenToJava2D(new Point(rect.x, rect.y));
            if (this.orientation == PlotOrientation.HORIZONTAL) {
                while (entity == null && x > javaPoint.getX()) {
                    entity = entities.getEntity(x, y);

                    // if(entity!=null)
                    // //logger.debug("found in " + count + " attempts");

                    x--;
                    count++;
                }
            } else {
                while (entity == null && y < (javaPoint.getY() + (rect.height * scaleY))) {
                    entity = entities.getEntity(x, y);

                    // if(entity!=null)
                    // //logger.debug("found in " + count + " attempts");

                    y++;
                    count++;
                }
            }
            return entity;
        }
    }
    return null;
}

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From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Returns the chart entity at a given point.
 * <P>//from  w  w  w.j  av  a  2  s. c om
 * 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;

}

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From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Receives notification of mouse clicks on the panel. These are translated and passed on to any
 * registered {@link ChartMouseListener}s.
 * // ww w  . j  av a2  s.c  om
 * @param event
 *            Information about the mouse event.
 */

@Override
public void mouseClicked(MouseEvent event) {

    Insets insets = getInsets();
    int x = (int) ((event.getX() - insets.left) / this.scaleX);
    int y = (int) ((event.getY() - insets.top) / this.scaleY);

    this.anchor = new Point2D.Double(x, y);
    if (this.chart == null) {
        return;
    }
    this.chart.setNotify(true); // force a redraw
    // new entity code...
    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }

    ChartEntity entity = null;
    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            entity = entities.getEntity(x, y);
        }
    }
    ChartMouseEvent chartEvent = new ChartMouseEvent(getChart(), event, entity);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseClicked(chartEvent);
    }

}

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From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Implementation of the MouseMotionListener's method.
 * //from  w ww . j  a  va  2 s . c  o  m
 * @param e
 *            the event.
 */

@Override
public void mouseMoved(MouseEvent e) {
    Graphics2D g2 = (Graphics2D) getGraphics();
    if (this.horizontalAxisTrace) {
        drawHorizontalAxisTrace(g2, e.getX());
    }
    if (this.verticalAxisTrace) {
        drawVerticalAxisTrace(g2, e.getY());
    }
    g2.dispose();

    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }
    Insets insets = getInsets();
    int x = (int) ((e.getX() - insets.left) / this.scaleX);
    int y = (int) ((e.getY() - insets.top) / this.scaleY);

    ChartEntity entity = null;
    if (this.info != null) {
        EntityCollection entities = this.info.getEntityCollection();
        if (entities != null) {
            entity = entities.getEntity(x, y);
        }
    }

    // we can only generate events if the panel's chart is not null
    // (see bug report 1556951)
    if (this.chart != null) {
        ChartMouseEvent event = new ChartMouseEvent(getChart(), e, entity);
        for (int i = listeners.length - 1; i >= 0; i -= 1) {
            ((ChartMouseListener) listeners[i]).chartMouseMoved(event);
        }
    }

}

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From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Returns a string for the tooltip./*from   w  ww  .j  ava2s . c  o  m*/
 * 
 * @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;

}

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From source file:org.gumtree.vis.hist2d.Hist2DPanel.java

private void makeNewMask(MouseEvent e, EntityCollection entities) {
    if (this.maskPoint == null) {
        return;/*  w  w  w  .j a  v a  2 s. c  o  m*/
    }
    Graphics2D g2 = (Graphics2D) getGraphics();

    // erase the previous zoom rectangle (if any).  We only need to do
    // this is we are using XOR mode, which we do when we're not using
    // the buffer (if there is a buffer, then at the end of this method we
    // just trigger a repaint)
    if (!isDoubleBuffered()) {
        //          drawZoomRectangle(g2, true);
        ChartMaskingUtilities.drawMasks(g2, getScreenDataArea(), getMaskMap(), getSelectedMask(), getChart());
    }

    //       boolean hZoom = false;
    //       boolean vZoom = false;
    //       if (this.orientation == PlotOrientation.HORIZONTAL) {
    //          hZoom = this.rangeZoomable;
    //          vZoom = this.domainZoomable;
    //       }
    //       else {
    //          hZoom = this.domainZoomable;
    //          vZoom = this.rangeZoomable;
    //       }
    Rectangle2D scaledDataArea = getScreenDataArea((int) this.maskPoint.getX(), (int) this.maskPoint.getY());
    // Working on the current mask. Only create one new mask per drag-drawing.
    if (currentMaskRectangle == null) {
        boolean isInclusive = (e.getModifiers() & maskingExclusiveMask) == 0;
        boolean isEllipse = (e.getModifiers() & MouseEvent.BUTTON3_MASK) != 0;
        if (isEllipse) {
            currentMaskRectangle = new EllipseMask(isInclusive);
        } else {
            currentMaskRectangle = new RectangleMask(isInclusive);
        }
        //           currentMaskRectangle.setFillColor(getNextMaskColor(isInclusive));
        //           getMasks().add(currentMaskRectangle);
        addMask(currentMaskRectangle);
    }
    // selected rectangle shouldn't extend outside the data area...
    double xmax = Math.min(e.getX(), scaledDataArea.getMaxX());
    double ymax = Math.min(e.getY(), scaledDataArea.getMaxY());
    // Update the current mask.
    ChartEntity startEntity = null;
    ChartEntity endEntity = null;
    boolean isMaskUpdated = false;
    if (entities != null) {
        //            EntityCollection entities = this.info.getEntityCollection();
        //            if (entities != null) {
        Insets insets = getInsets();
        double screenX = (maskPoint.getX() - insets.left) / getScaleX();
        double screenY = (maskPoint.getY() - insets.top) / getScaleY();
        startEntity = entities.getEntity(screenX, screenY);

        screenX = (xmax - insets.left) / getScaleX();
        screenY = (ymax - insets.top) / getScaleY();
        if (screenX >= scaledDataArea.getMaxX()) {
            screenX = scaledDataArea.getMaxX() - 0.001;
        }
        if (screenY >= scaledDataArea.getMaxY()) {
            screenY = scaledDataArea.getMaxY() - 0.001;
        }
        endEntity = entities.getEntity(screenX, screenY);
        //           System.out.println("Try to update mask");
        if (startEntity instanceof XYItemEntity && endEntity instanceof XYItemEntity) {
            isMaskUpdated = updateCurrentMaskRectangle((XYItemEntity) startEntity, (XYItemEntity) endEntity);
        }
        //            }
    }
    if (!isMaskUpdated) {
        currentMaskRectangle.setRectangleFrame(new Rectangle2D.Double(maskPoint.getX(), this.maskPoint.getY(),
                xmax - this.maskPoint.getX(), ymax - this.maskPoint.getY()));
    }
    // Draw the new zoom rectangle...
    if (isDoubleBuffered()) {
        repaint();
    } else {
        // with no buffer, we use XOR to draw the rectangle "over" the
        // chart...
        ChartMaskingUtilities.drawMasks(g2, getScreenDataArea(), getMaskMap(), getSelectedMask(), getChart());
    }
    g2.dispose();
}

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