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.jfree.experimental.chart.swt.ChartComposite.java

public void mouseDown(MouseEvent event) {

    Rectangle scaledDataArea = getScreenDataArea(event.x, event.y);
    if (scaledDataArea == null)
        return;/*  w  w w  . j  a  v  a 2 s  .  co  m*/
    this.zoomPoint = getPointInRectangle(event.x, event.y, scaledDataArea);
    int x = (int) ((event.x - getClientArea().x) / this.scaleX);
    int y = (int) ((event.y - getClientArea().y) / this.scaleY);

    this.anchor = new Point2D.Double(x, y);
    this.chart.setNotify(true); // force a redraw
    this.canvas.redraw();

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

    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }

    // pass mouse down event if some ChartMouseListener are listening
    java.awt.event.MouseEvent mouseEvent = SWTUtils.toAwtMouseEvent(event);
    ChartMouseEvent chartEvent = new ChartMouseEvent(getChart(), mouseEvent, entity);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseClicked(chartEvent);
    }
}

---

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

/**
 * Handles a 'mouse dragged' event.//from   w  w  w  .j  av  a2 s .  c om
 *
 * @param e  the mouse event.
 */
public void mouseDragged(MouseEvent e) {

    setHorizontalTraceLocation(e.getX());
    setVerticalTraceLocation(e.getY());

    Insets insets = getInsets();
    int x = (int) ((e.getX() - insets.left) / getScaleX());
    int y = (int) ((e.getY() - insets.top) / getScaleY());

    EntityCollection entities = null;
    ChartEntity entity = null;
    if (getChartRenderingInfo() != null) {
        entities = getChartRenderingInfo().getEntityCollection();
        if (entities != null) {
            entity = entities.getEntity(x, y);
        }
    }
    if (entity instanceof XYItemEntity) {
        IDataset dataset = (IDataset) ((XYItemEntity) entity).getDataset();
        int item = ((XYItemEntity) entity).getItem();
        setChartX(dataset.getXValue(0, item));
        setChartY(dataset.getYValue(0, item));
        setChartZ(((XYZDataset) dataset).getZValue(0, item));
    }

    //        if (isMaskingEnabled() && (e.getModifiers() & maskingKeyMask) != 0) {
    if (isMaskingEnabled()) {
        int cursorType = findCursorOnSelectedItem(e.getX(), e.getY());
        setCursor(Cursor.getPredefinedCursor(cursorType));
    } else if (getCursor() != defaultCursor) {
        setCursor(defaultCursor);
    }

    // we can only generate events if the panel's chart is not null
    // (see bug report 1556951)
    Object[] listeners = getListeners(ChartMouseListener.class);
    if (getChart() != null) {
        XYZChartMouseEvent event = new XYZChartMouseEvent(getChart(), e, entity);
        event.setXYZ(getChartX(), getChartY(), getChartZ());
        for (int i = listeners.length - 1; i >= 0; i -= 1) {
            ((ChartMouseListener) listeners[i]).chartMouseMoved(event);
        }
    }
    if (getMaskDragIndicator() != Cursor.DEFAULT_CURSOR && getSelectedMask() != null
            && (e.getModifiers() & MouseEvent.BUTTON1_MASK) != 0) {
        changeSelectedMask(e, entities);
    } else if (isMaskingEnabled() && (e.getModifiers() & maskingKeyMask) != 0) {
        makeNewMask(e, entities);
    } else {
        super.mouseDragged(e);
    }
}

---

From source file:org.jfree.experimental.chart.swt.ChartComposite.java

public void mouseMove(MouseEvent event) {

    // handle axis trace
    if (this.horizontalAxisTrace || this.verticalAxisTrace) {
        this.horizontalTraceLineY = event.y;
        this.verticalTraceLineX = event.x;
        this.canvas.redraw();
    }//from w w w  .ja v  a 2  s.c  o m

    // handle tool tips in a simple way
    if (this.displayToolTips) {
        String s = getToolTipText(event);
        if (s == null && this.canvas.getToolTipText() != null
                || s != null && !s.equals(this.canvas.getToolTipText()))
            this.canvas.setToolTipText(s);
    }

    // handle zoom box
    boolean hZoom, vZoom;
    if (this.zoomPoint != null) {
        Rectangle scaledDataArea = getScreenDataArea(this.zoomPoint.x, this.zoomPoint.y);
        org.eclipse.swt.graphics.Point movingPoint = getPointInRectangle(event.x, event.y, scaledDataArea);
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            hZoom = this.rangeZoomable;
            vZoom = this.domainZoomable;
        } else {
            hZoom = this.domainZoomable;
            vZoom = this.rangeZoomable;
        }
        if (hZoom && vZoom) {
            // selected rectangle shouldn't extend outside the data area...
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, this.zoomPoint.y,
                    movingPoint.x - this.zoomPoint.x, movingPoint.y - this.zoomPoint.y);
        } else if (hZoom) {
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, scaledDataArea.y,
                    movingPoint.x - this.zoomPoint.x, scaledDataArea.height);
        } else if (vZoom) {
            int ymax = Math.max(movingPoint.y, scaledDataArea.y);
            this.zoomRectangle = new Rectangle(scaledDataArea.x, this.zoomPoint.y, scaledDataArea.width,
                    ymax - this.zoomPoint.y);
        }
        this.canvas.redraw();
    }

    // new entity code
    ChartEntity entity = null;
    int x = (int) ((event.x - getClientArea().x) / this.scaleX);
    int y = (int) ((event.y - getClientArea().y) / this.scaleY);

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

    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }

    // pass mouse move event if some ChartMouseListener are listening
    java.awt.event.MouseEvent mouseEvent = SWTUtils.toAwtMouseEvent(event);
    ChartMouseEvent chartEvent = new ChartMouseEvent(getChart(), mouseEvent, entity);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseMoved(chartEvent);
    }
}

---

From source file:com.munch.exchange.ExchangeChartComposite.java

/**
 * Handles a mouse down event.//from w ww . ja  va 2s. c o m
 *
 * @param event  the event.
 */
public void mouseDown(MouseEvent event) {

    Rectangle scaledDataArea = getScreenDataArea(event.x, event.y);
    if (scaledDataArea == null)
        return;
    this.zoomPoint = getPointInRectangle(event.x, event.y, scaledDataArea);
    int x = (int) ((event.x - getClientArea().x) / this.scaleX);
    int y = (int) ((event.y - getClientArea().y) / this.scaleY);

    this.anchor = new Point2D.Double(x, y);
    this.chart.setNotify(true); // force a redraw
    this.canvas.redraw();

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

    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }

    // pass mouse down event if some ChartMouseListener are listening
    java.awt.event.MouseEvent mouseEvent = SWTUtils.toAwtMouseEvent(event);
    ChartMouseEvent chartEvent = new ChartMouseEvent(getChart(), mouseEvent, entity);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseClicked(chartEvent);
    }
}

---

From source file:org.gumtree.vis.plot1d.Plot1DPanel.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.
 */// www.j a va  2s .  com
@Override
public void mouseClicked(MouseEvent event) {

    Insets insets = getInsets();
    int x = (int) ((event.getX() - insets.left) / getScaleX());
    int y = (int) ((event.getY() - insets.top) / getScaleY());

    setAnchor(new Point2D.Double(x, y));
    if (getChart() == null) {
        return;
    }
    //        getChart().setNotify(true);  // force a redraw
    // new entity code...
    //        if (listeners.length == 0) {
    //            return;
    //        }

    //        if ((event.getModifiers() & maskingSelectionMask) != 0) {
    if (isInternalLegendEnabled) {
        Rectangle2D screenArea = getScreenDataArea();
        Rectangle2D legendArea = new Rectangle2D.Double(screenArea.getMaxX() - internalLegendSetup.getMinX(),
                screenArea.getMinY() + internalLegendSetup.getMinY(), internalLegendSetup.getWidth(),
                internalLegendSetup.getHeight());
        if (legendArea.contains(event.getPoint())) {
            selectInternalLegend(true);
            selectMask(Double.NaN, Double.NaN);
            repaint();
            return;
        } else {
            selectInternalLegend(false);
        }
    }
    if (!isTextInputEnabled() && (event.getModifiers() & MouseEvent.BUTTON1_MASK) != 0) {
        selectMask(ChartMaskingUtilities.translateScreenX(x, getScreenDataArea(), getChart()), Double.NaN);
        repaint();
    }
    if ((event.getModifiers() & seriesSelectionEventMask) == 0) {
        if (getSelectedMask() != null && (event.getModifiers() & MouseEvent.BUTTON1_MASK) != 0
                && !getSelectedMask().getRange()
                        .contains(ChartMaskingUtilities.translateScreenX(x, getScreenDataArea(), getChart()))) {
            selectMask(Double.NaN, Double.NaN);
        }
        repaint();
    } else if (!isTextInputEnabled()) {
        selectMask(ChartMaskingUtilities.translateScreenX(x, getScreenDataArea(), getChart()), Double.NaN);
        repaint();
    }

    ChartEntity entity = null;
    if (getChartRenderingInfo() != null) {
        EntityCollection entities = getChartRenderingInfo().getEntityCollection();
        if (entities != null) {
            entity = entities.getEntity(x, y);
            if (entity instanceof XYItemEntity) {
                XYItemEntity xyEntity = (XYItemEntity) entity;
                //                   XYDataset dataset = xyEntity.getDataset();
                //                   int item = ((XYItemEntity) entity).getItem();
                //                   chartX = dataset.getXValue(xyEntity.getSeriesIndex(), item);
                //                   chartY = dataset.getYValue(xyEntity.getSeriesIndex(), item);
                //                   Point2D screenPoint = ChartMaskingUtilities.translateChartPoint(
                //                         new Point2D.Double(chartX, chartY), getScreenDataArea(), getChart());
                //                   if (getHorizontalAxisTrace()) {
                //                      horizontalTraceLocation = (int) screenPoint.getX();
                //                   }
                //                   if (getVerticalAxisTrace()) {
                //                      verticalTraceLocation = (int) screenPoint.getY();
                //                   }
                if ((event.getModifiers() & seriesSelectionEventMask) != 0
                        && (event.getModifiers() & MouseEvent.BUTTON1_MASK) != 0) {
                    selectSeries(xyEntity.getSeriesIndex());
                    return;
                } else if ((event.getModifiers() & maskingSelectionMask) == 0
                        && (event.getModifiers() & MouseEvent.BUTTON1_MASK) != 0) {
                    if (selectedSeriesIndex != xyEntity.getSeriesIndex()) {
                        selectSeries(-1);
                        return;
                    }
                }
            } else {
                if (selectedSeriesIndex >= 0) {
                    if ((event.getModifiers() & seriesSelectionEventMask) != 0
                            && (event.getModifiers() & maskingSelectionMask) == 0
                            && (event.getModifiers() & MouseEvent.BUTTON1_MASK) != 0) {
                        selectSeries(-1);
                        return;
                    }
                }
            }
        }
    }
    XYChartMouseEvent chartEvent = new XYChartMouseEvent(getChart(), event, entity);
    chartEvent.setXY(getChartX(), getChartY());
    Object[] listeners = getListeners(ChartMouseListener.class);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseClicked(chartEvent);
    }
    super.mouseClicked(event);
}

---

From source file:com.munch.exchange.parts.neuralnetwork.results.NeuralNetworkResultChartComposite.java

/**
 * Handles a mouse move event.// www  . j ava  2s  .co m
 *
 * @param event  the mouse event.
 */
public void mouseMove(MouseEvent event) {

    // handle axis trace
    if (this.horizontalAxisTrace || this.verticalAxisTrace) {
        this.horizontalTraceLineY = event.y;
        this.verticalTraceLineX = event.x;
        this.canvas.redraw();
    }

    // handle tool tips in a simple way
    if (this.displayToolTips) {
        String s = getToolTipText(event);
        if (s == null && this.canvas.getToolTipText() != null
                || s != null && !s.equals(this.canvas.getToolTipText()))
            this.canvas.setToolTipText(s);
    }

    // handle zoom box
    boolean hZoom, vZoom;
    if (this.zoomPoint != null) {
        Rectangle scaledDataArea = getScreenDataArea(this.zoomPoint.x, this.zoomPoint.y);
        org.eclipse.swt.graphics.Point movingPoint = getPointInRectangle(event.x, event.y, scaledDataArea);
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            hZoom = this.rangeZoomable;
            vZoom = this.domainZoomable;
        } else {
            hZoom = this.domainZoomable;
            vZoom = this.rangeZoomable;
        }
        if (hZoom && vZoom) {
            // selected rectangle shouldn't extend outside the data area...
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, this.zoomPoint.y,
                    movingPoint.x - this.zoomPoint.x, movingPoint.y - this.zoomPoint.y);
        } else if (hZoom) {
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, scaledDataArea.y,
                    movingPoint.x - this.zoomPoint.x, scaledDataArea.height);
        } else if (vZoom) {
            int ymax = Math.max(movingPoint.y, scaledDataArea.y);
            this.zoomRectangle = new Rectangle(scaledDataArea.x, this.zoomPoint.y, scaledDataArea.width,
                    ymax - this.zoomPoint.y);
        }
        this.canvas.redraw();
    }

    // new entity code
    ChartEntity entity = null;
    //int x = (int) ((event.x - getClientArea().x) / this.scaleX);
    //int y = (int) ((event.y - getClientArea().y) / this.scaleY);

    int x = (int) ((event.x - getClientArea().x));
    int y = (int) ((event.y - getClientArea().y));

    //System.out.println("scaleX: "+this.scaleX);
    //System.out.println("this.scaleY: "+this.scaleY);

    //TODO

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

    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }

    // pass mouse move event if some ChartMouseListener are listening
    java.awt.event.MouseEvent mouseEvent = SWTUtils.toAwtMouseEvent(event);
    ChartMouseEvent chartEvent = new ChartMouseEvent(getChart(), mouseEvent, entity);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseMoved(chartEvent);
    }
}

---

From source file:org.gumtree.vis.plot1d.Plot1DPanel.java

@Override
public void mouseMoved(MouseEvent e) {
    Insets insets = getInsets();/* w  w w  . j a  va  2 s . c  om*/
    int x = (int) ((e.getX() - insets.left) / getScaleX());
    int y = (int) ((e.getY() - insets.top) / getScaleY());

    ChartEntity entity = null;
    if (getChartRenderingInfo() != null) {
        EntityCollection entities = getChartRenderingInfo().getEntityCollection();
        if (entities != null) {
            entity = entities.getEntity(x, y);
            //                   boolean isDirty = false;
            int seriesIndex = -1;
            if (selectedSeriesIndex >= 0) {
                //                      double xInChart = ChartMaskingUtilities.translateScreenX(x, 
                //                            getScreenDataArea(), getChart());
                //                      XYDataset dataset = getChart().getXYPlot().getDataset();
                //                      PatternDataset patternDataset = (PatternDataset) dataset;
                //                      int itemIndex = patternDataset.getItemFromX(selectedSeriesIndex, xInChart);
                //                      if (itemIndex < patternDataset.getItemCount(selectedSeriesIndex)) {
                //                         chartX = patternDataset.getXValue(selectedSeriesIndex, itemIndex);
                //                         chartY = patternDataset.getYValue(selectedSeriesIndex, itemIndex);
                //                         Point2D axisTrace = ChartMaskingUtilities.translateChartPoint(
                //                               new Point2D.Double(chartX, chartY), getScreenDataArea(), getChart());
                //                         horizontalTraceLocation = (int) axisTrace.getX();
                //                         verticalTraceLocation = (int) axisTrace.getY();
                //                         if (getHorizontalAxisTrace() || getVerticalAxisTrace() || isToolTipFollowerEnabled) {
                //                            repaint();
                //                         }
                //                         seriesIndex = selectedSeriesIndex;
                //                         isDirty = true;
                //                      }
                seriesIndex = followDomainTrace(selectedSeriesIndex, x);
                if (seriesIndex >= 0
                        && (getHorizontalAxisTrace() || getVerticalAxisTrace() || isToolTipFollowerEnabled())) {
                    repaint();
                }
            } else if (getChart().getXYPlot().getSeriesCount() == 1) {
                //                      int seriesIndex0 = 0;
                //                      double xInChart = ChartMaskingUtilities.translateScreenX(x, 
                //                            getScreenDataArea(), getChart());
                //                      XYDataset dataset = getChart().getXYPlot().getDataset();
                //                      PatternDataset patternDataset = (PatternDataset) dataset;
                //                      int itemIndex = patternDataset.getItemFromX(seriesIndex0, xInChart);
                //                      if (itemIndex < patternDataset.getItemCount(seriesIndex0)) {
                //                         chartX = patternDataset.getXValue(seriesIndex0, itemIndex);
                //                         chartY = patternDataset.getYValue(seriesIndex0, itemIndex);
                //                         Point2D axisTrace = ChartMaskingUtilities.translateChartPoint(
                //                               new Point2D.Double(chartX, chartY), getScreenDataArea(), getChart());
                ////                         if (getScreenDataArea().contains(axisTrace)) {
                //                         horizontalTraceLocation = (int) axisTrace.getX();
                //                         verticalTraceLocation = (int) axisTrace.getY();
                //                         if (getHorizontalAxisTrace() || getVerticalAxisTrace() || isToolTipFollowerEnabled) {
                //                            repaint();
                //                         }
                //                         seriesIndex = seriesIndex0;
                //                         isDirty = true;
                ////                         }
                //                      }
                seriesIndex = followDomainTrace(0, x);
                if (seriesIndex >= 0
                        && (getHorizontalAxisTrace() || getVerticalAxisTrace() || isToolTipFollowerEnabled())) {
                    repaint();
                }
            } else if (entity instanceof XYItemEntity) {
                XYItemEntity xyEntity = (XYItemEntity) entity;
                XYDataset dataset = xyEntity.getDataset();
                int item = ((XYItemEntity) entity).getItem();
                seriesIndex = xyEntity.getSeriesIndex();
                double chartX = dataset.getXValue(seriesIndex, item);
                double chartY = dataset.getYValue(seriesIndex, item);
                Point2D screenPoint = ChartMaskingUtilities.translateChartPoint(
                        new Point2D.Double(chartX, chartY), getScreenDataArea(), getChart());
                setChartX(chartX);
                setChartY(chartY);
                setSeriesIndex(seriesIndex);
                setItemIndex(item);
                if (dataset instanceof IXYErrorDataset) {
                    setChartError(((IXYErrorDataset) dataset).getYError(seriesIndex, item));

                }
                if (getHorizontalAxisTrace()) {
                    setHorizontalTraceLocation((int) screenPoint.getX());
                }
                if (getVerticalAxisTrace()) {
                    setVerticalTraceLocation((int) screenPoint.getY());
                }
                if (getHorizontalAxisTrace() || getVerticalAxisTrace() || isToolTipFollowerEnabled()) {
                    repaint();
                }
                //                      isDirty = true;
            }
            if (seriesIndex >= 0) {
                Object[] listeners = getListeners(ChartMouseListener.class);
                if (getChart() != null) {
                    XYChartMouseEvent event = new XYChartMouseEvent(getChart(), e, entity);
                    event.setXY(getChartX(), getChartY());
                    event.setSeriesIndex(seriesIndex);
                    for (int i = listeners.length - 1; i >= 0; i -= 1) {
                        ((ChartMouseListener) listeners[i]).chartMouseMoved(event);
                    }
                }
            }

        }
        //              getChart().handleClick(x, y, getChartRenderingInfo());
    }

    if (isInternalLegendEnabled && isInternalLegendSelected) {
        int cursorType = findCursorOnSelectedItem(e.getX(), e.getY());
        setCursor(Cursor.getPredefinedCursor(cursorType));
    } else if (getCursor() != defaultCursor) {
        setCursor(defaultCursor);
    }

    super.mouseMoved(e);
    // we can only generate events if the panel's chart is not null
    // (see bug report 1556951)
}

---

From source file:com.munch.exchange.ExchangeChartComposite.java

/**
 * Handles a mouse move event./*from  ww  w.  j  a  v a  2s . c  o m*/
 *
 * @param event  the mouse event.
 */
public void mouseMove(MouseEvent event) {

    // handle axis trace
    if (this.horizontalAxisTrace || this.verticalAxisTrace) {
        this.horizontalTraceLineY = event.y;
        this.verticalTraceLineX = event.x;
        this.canvas.redraw();
    }

    // handle tool tips in a simple way
    if (this.displayToolTips) {
        String s = getToolTipText(event);
        if (s == null && this.canvas.getToolTipText() != null
                || s != null && !s.equals(this.canvas.getToolTipText()))
            this.canvas.setToolTipText(s);
    }

    // handle zoom box
    boolean hZoom, vZoom;
    if (this.zoomPoint != null) {
        Rectangle scaledDataArea = getScreenDataArea(this.zoomPoint.x, this.zoomPoint.y);
        org.eclipse.swt.graphics.Point movingPoint = getPointInRectangle(event.x, event.y, scaledDataArea);
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            hZoom = this.rangeZoomable;
            vZoom = this.domainZoomable;
        } else {
            hZoom = this.domainZoomable;
            vZoom = this.rangeZoomable;
        }
        if (hZoom && vZoom) {
            // selected rectangle shouldn't extend outside the data area...
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, this.zoomPoint.y,
                    movingPoint.x - this.zoomPoint.x, movingPoint.y - this.zoomPoint.y);
        } else if (hZoom) {
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, scaledDataArea.y,
                    movingPoint.x - this.zoomPoint.x, scaledDataArea.height);
        } else if (vZoom) {
            int ymax = Math.max(movingPoint.y, scaledDataArea.y);
            this.zoomRectangle = new Rectangle(scaledDataArea.x, this.zoomPoint.y, scaledDataArea.width,
                    ymax - this.zoomPoint.y);
        }
        this.canvas.redraw();
    }

    // new entity code
    ChartEntity entity = null;
    int x = (int) ((event.x - getClientArea().x) / this.scaleX);
    int y = (int) ((event.y - getClientArea().y) / this.scaleY);
    System.out.println("scaleX: " + this.scaleX);
    System.out.println("scaleY: " + this.scaleY);
    //TODO

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

    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }

    // pass mouse move event if some ChartMouseListener are listening
    java.awt.event.MouseEvent mouseEvent = SWTUtils.toAwtMouseEvent(event);
    ChartMouseEvent chartEvent = new ChartMouseEvent(getChart(), mouseEvent, entity);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseMoved(chartEvent);
    }
}

---

From source file:com.munch.exchange.ExchangeChartComposite.java

/**
 * Returns a string for the tooltip./* w  w w.  jav a 2 s  .  c om*/
 *
 * @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;

}

---

From source file:com.rcp.wbw.demo.ChartComposite.java

/**
 * Handles a mouse move event.//from   ww  w  . j a va2 s  . c o  m
 * 
 * @param event
 *            the mouse event.
 */
public void mouseMove(MouseEvent event) {

    // handle axis trace
    if (this.horizontalAxisTrace || this.verticalAxisTrace) {
        this.horizontalTraceLineY = event.y;
        this.verticalTraceLineX = event.x;
        this.canvas.redraw();
    }

    // handle tool tips in a simple way
    if (this.displayToolTips) {
        String s = getToolTipText(event);
        if (s == null && this.canvas.getToolTipText() != null
                || s != null && !s.equals(this.canvas.getToolTipText()))
            this.canvas.setToolTipText(s);
    }

    // handle zoom box
    boolean hZoom, vZoom;
    if (this.zoomPoint != null) {
        Rectangle scaledDataArea = getScreenDataArea(this.zoomPoint.x, this.zoomPoint.y);
        org.eclipse.swt.graphics.Point movingPoint = getPointInRectangle(event.x, event.y, scaledDataArea);
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            hZoom = this.rangeZoomable;
            vZoom = this.domainZoomable;
        } else {
            hZoom = this.domainZoomable;
            vZoom = this.rangeZoomable;
        }
        if (hZoom && vZoom) {
            // selected rectangle shouldn't extend outside the data area...
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, this.zoomPoint.y,
                    movingPoint.x - this.zoomPoint.x, movingPoint.y - this.zoomPoint.y);
        } else if (hZoom) {
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, scaledDataArea.y,
                    movingPoint.x - this.zoomPoint.x, scaledDataArea.height);
        } else if (vZoom) {
            int ymax = Math.max(movingPoint.y, scaledDataArea.y);
            this.zoomRectangle = new Rectangle(scaledDataArea.x, this.zoomPoint.y, scaledDataArea.width,
                    ymax - this.zoomPoint.y);
        }
        this.canvas.redraw();
    }

    // new entity code
    ChartEntity entity = null;
    int x = (int) ((event.x - getClientArea().x) / this.scaleX);
    int y = (int) ((event.y - getClientArea().y) / this.scaleY);

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

    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }

    // pass mouse move event if some ChartMouseListener are listening
    java.awt.event.MouseEvent mouseEvent = SWTUtils.toAwtMouseEvent(event);
    ChartMouseEvent chartEvent = new ChartMouseEvent(getChart(), mouseEvent, entity);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseMoved(chartEvent);
    }
}

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