/** * Handles a mouse pressed event by recording the initial mouse pointer * location. * * @param canvas the JavaFX canvas ({@code null} not permitted). * @param e the mouse event ({@code null} not permitted). */ @Override public void handleMousePressed(ChartCanvas canvas, MouseEvent e) { Plot plot = canvas.getChart().getPlot(); if (!(plot instanceof Pannable)) { canvas.clearLiveHandler(); return; } Pannable pannable = (Pannable) plot; if (pannable.isDomainPannable() || pannable.isRangePannable()) { Point2D point = new Point2D.Double(e.getX(), e.getY()); Rectangle2D dataArea = canvas.findDataArea(point); if (dataArea != null && dataArea.contains(point)) { this.panW = dataArea.getWidth(); this.panH = dataArea.getHeight(); this.panLast = point; canvas.setCursor(javafx.scene.Cursor.MOVE); } } // the actual panning occurs later in the mouseDragged() method }
/** * 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(); }
/** * Handle the case where a plot implements the {@link Zoomable} interface. * * @param zoomable the zoomable plot. * @param e the mouse wheel event. */ private void handleZoomable(ChartCanvas canvas, Zoomable zoomable, ScrollEvent e) { // don't zoom unless the mouse pointer is in the plot's data area ChartRenderingInfo info = canvas.getRenderingInfo(); PlotRenderingInfo pinfo = info.getPlotInfo(); Point2D p = new Point2D.Double(e.getX(), e.getY()); if (pinfo.getDataArea().contains(p)) { Plot plot = (Plot) zoomable; // do not notify while zooming each axis boolean notifyState = plot.isNotify(); plot.setNotify(false); int clicks = (int) e.getDeltaY(); double zf = 1.0 + this.zoomFactor; if (clicks < 0) { zf = 1.0 / zf; } if (canvas.isDomainZoomable()) { zoomable.zoomDomainAxes(zf, pinfo, p, true); } if (canvas.isRangeZoomable()) { zoomable.zoomRangeAxes(zf, pinfo, p, true); } plot.setNotify(notifyState); // this generates the change event too } }
/** * Handles a mouse pressed event by recording the initial mouse pointer * location. * * @param canvas the JavaFX canvas (<code>null</code> not permitted). * @param e the mouse event (<code>null</code> not permitted). */ @Override public void handleMousePressed(ChartCanvas canvas, MouseEvent e) { Plot plot = canvas.getChart().getPlot(); if (!(plot instanceof Pannable)) { canvas.clearLiveHandler(); return; } Pannable pannable = (Pannable) plot; if (pannable.isDomainPannable() || pannable.isRangePannable()) { Point2D point = new Point2D.Double(e.getX(), e.getY()); Rectangle2D dataArea = canvas.findDataArea(point); if (dataArea != null && dataArea.contains(point)) { this.panW = dataArea.getWidth(); this.panH = dataArea.getHeight(); this.panLast = point; canvas.setCursor(javafx.scene.Cursor.MOVE); } } // the actual panning occurs later in the mouseDragged() method }
/** * 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(); }
/** * Handle the case where a plot implements the {@link Zoomable} interface. * * @param zoomable the zoomable plot. * @param e the mouse wheel event. */ private void handleZoomable(ChartCanvas canvas, Zoomable zoomable, ScrollEvent e) { // don't zoom unless the mouse pointer is in the plot's data area ChartRenderingInfo info = canvas.getRenderingInfo(); PlotRenderingInfo pinfo = info.getPlotInfo(); Point2D p = new Point2D.Double(e.getX(), e.getY()); if (pinfo.getDataArea().contains(p)) { Plot plot = (Plot) zoomable; // do not notify while zooming each axis boolean notifyState = plot.isNotify(); plot.setNotify(false); int clicks = (int) e.getDeltaY(); double zf = 1.0 + this.zoomFactor; if (clicks < 0) { zf = 1.0 / zf; } if (true) { //this.chartPanel.isDomainZoomable()) { zoomable.zoomDomainAxes(zf, pinfo, p, true); } if (true) { //this.chartPanel.isRangeZoomable()) { zoomable.zoomRangeAxes(zf, pinfo, p, true); } plot.setNotify(notifyState); // this generates the change event too } }
/** * Handles a mouse dragged event by calculating the distance panned and * updating the axes accordingly. * * @param canvas the JavaFX canvas ({@code null} not permitted). * @param e the mouse event ({@code null} not permitted). */ @Override public void handleMouseDragged(ChartCanvas canvas, MouseEvent e) { if (this.panLast == null) { //handle panning if we have a start point else unregister canvas.clearLiveHandler(); return; } JFreeChart chart = canvas.getChart(); double dx = e.getX() - this.panLast.getX(); double dy = e.getY() - this.panLast.getY(); if (dx == 0.0 && dy == 0.0) { return; } double wPercent = -dx / this.panW; double hPercent = dy / this.panH; boolean old = chart.getPlot().isNotify(); chart.getPlot().setNotify(false); Pannable p = (Pannable) chart.getPlot(); PlotRenderingInfo info = canvas.getRenderingInfo().getPlotInfo(); if (p.getOrientation().isVertical()) { p.panDomainAxes(wPercent, info, this.panLast); p.panRangeAxes(hPercent, info, this.panLast); } else { p.panDomainAxes(hPercent, info, this.panLast); p.panRangeAxes(wPercent, info, this.panLast); } this.panLast = new Point2D.Double(e.getX(), e.getY()); chart.getPlot().setNotify(old); }
@Override public void handleMouseReleased(ChartCanvas canvas, MouseEvent e) { //if we have been panning reset the cursor //unregister in any case if (this.panLast != null) { canvas.setCursor(javafx.scene.Cursor.DEFAULT); } this.panLast = null; canvas.clearLiveHandler(); }
/** * Handles a mouse clicked event by setting the anchor point for the * canvas and redrawing the chart (the anchor point is a reference point * used by the chart to determine crosshair lines). * * @param canvas the chart canvas ({@code null} not permitted). * @param e the mouse event ({@code null} not permitted). */ @Override public void handleMouseClicked(ChartCanvas canvas, MouseEvent e) { if (this.mousePressedPoint == null) { return; } Point2D currPt = new Point2D.Double(e.getX(), e.getY()); if (this.mousePressedPoint.distance(currPt) < 2) { canvas.setAnchor(currPt); } this.mousePressedPoint = null; }
/** * Handles a mouse moved event by updating the tooltip. * * @param canvas the chart canvas ({@code null} not permitted). * @param e the mouse event. */ @Override public void handleMouseMoved(ChartCanvas canvas, MouseEvent e) { if (!canvas.isTooltipEnabled()) { return; } String text = getTooltipText(canvas, e.getX(), e.getY()); canvas.setTooltip(text, e.getScreenX(), e.getScreenY()); }
@Override public void handleScroll(ChartCanvas canvas, ScrollEvent e) { JFreeChart chart = canvas.getChart(); Plot plot = chart.getPlot(); if (plot instanceof Zoomable) { Zoomable zoomable = (Zoomable) plot; handleZoomable(canvas, zoomable, e); } else if (plot instanceof PiePlot) { PiePlot pp = (PiePlot) plot; pp.handleMouseWheelRotation((int) e.getDeltaY()); } }
/** * Handles a mouse pressed event by recording the initial mouse pointer * location. * * @param canvas the JavaFX canvas ({@code null} not permitted). * @param e the mouse event ({@code null} not permitted). */ @Override public void handleMousePressed(ChartCanvas canvas, MouseEvent e) { Point2D pt = new Point2D.Double(e.getX(), e.getY()); Rectangle2D dataArea = canvas.findDataArea(pt); if (dataArea != null) { this.startPoint = ShapeUtils.getPointInRectangle(e.getX(), e.getY(), dataArea); } else { this.startPoint = null; canvas.clearLiveHandler(); } }
@Override public void handleMouseMoved(ChartCanvas canvas, MouseEvent e) { double x = e.getX(); double y = e.getY(); ChartEntity entity = canvas.getRenderingInfo().getEntityCollection().getEntity(x, y); ChartMouseEventFX event = new ChartMouseEventFX(canvas.getChart(), e, entity); for (ChartMouseListenerFX listener : canvas.getChartMouseListeners()) { listener.chartMouseMoved(event); } }
/** * Handles a mouse clicked event by setting the anchor point for the * canvas and redrawing the chart (the anchor point is a reference point * used by the chart to determine crosshair lines). * * @param canvas the chart canvas ({@code null} not permitted). * @param e the mouse event ({@code null} not permitted). */ @Override public void handleMouseClicked(ChartCanvas canvas, MouseEvent e) { if (this.mousePressedPoint == null) { return; } double x = e.getX(); double y = e.getY(); ChartEntity entity = canvas.getRenderingInfo().getEntityCollection().getEntity(x, y); ChartMouseEventFX event = new ChartMouseEventFX(canvas.getChart(), e, entity); for (ChartMouseListenerFX listener : canvas.getChartMouseListeners()) { listener.chartMouseClicked(event); } }
/** * Handles a mouse dragged event by calculating the distance panned and * updating the axes accordingly. * * @param canvas the JavaFX canvas (<code>null</code> not permitted). * @param e the mouse event (<code>null</code> not permitted). */ public void handleMouseDragged(ChartCanvas canvas, MouseEvent e) { if (this.panLast == null) { //handle panning if we have a start point else unregister canvas.clearLiveHandler(); return; } JFreeChart chart = canvas.getChart(); double dx = e.getX() - this.panLast.getX(); double dy = e.getY() - this.panLast.getY(); if (dx == 0.0 && dy == 0.0) { return; } double wPercent = -dx / this.panW; double hPercent = dy / this.panH; boolean old = chart.getPlot().isNotify(); chart.getPlot().setNotify(false); Pannable p = (Pannable) chart.getPlot(); PlotRenderingInfo info = canvas.getRenderingInfo().getPlotInfo(); if (p.getOrientation().isVertical()) { p.panDomainAxes(wPercent, info, this.panLast); p.panRangeAxes(hPercent, info, this.panLast); } else { p.panDomainAxes(hPercent, info, this.panLast); p.panRangeAxes(wPercent, info, this.panLast); } this.panLast = new Point2D.Double(e.getX(), e.getY()); chart.getPlot().setNotify(old); }
public void handleMouseReleased(ChartCanvas canvas, MouseEvent e) { //if we have been panning reset the cursor //unregister in any case if (this.panLast != null) { canvas.setCursor(javafx.scene.Cursor.DEFAULT); } this.panLast = null; canvas.clearLiveHandler(); }
/** * Handles a mouse clicked event by setting the anchor point for the * canvas and redrawing the chart (the anchor point is a reference point * used by the chart to determine crosshair lines). * * @param canvas the chart canvas (<code>null</code> not permitted). * @param e the mouse event (<code>null</code> not permitted). */ @Override public void handleMouseClicked(ChartCanvas canvas, MouseEvent e) { if (this.mousePressedPoint == null) { return; } Point2D currPt = new Point2D.Double(e.getX(), e.getY()); if (this.mousePressedPoint.distance(currPt) < 2) { canvas.setAnchor(currPt); } this.mousePressedPoint = null; }
/** * Handles a mouse moved event by updating the tooltip. * * @param canvas the chart canvas (<code>null</code> not permitted). * @param e the mouse event. */ @Override public void handleMouseMoved(ChartCanvas canvas, MouseEvent e) { if (!canvas.isTooltipEnabled()) { return; } String text = getTooltipText(canvas, e.getX(), e.getY()); canvas.setTooltip(text, e.getScreenX(), e.getScreenY()); }
/** * Handles a mouse pressed event by recording the initial mouse pointer * location. * * @param canvas the JavaFX canvas (<code>null</code> not permitted). * @param e the mouse event (<code>null</code> not permitted). */ @Override public void handleMousePressed(ChartCanvas canvas, MouseEvent e) { Point2D pt = new Point2D.Double(e.getX(), e.getY()); Rectangle2D dataArea = canvas.findDataArea(pt); if (dataArea != null) { this.startPoint = ShapeUtilities.getPointInRectangle(e.getX(), e.getY(), dataArea); } else { this.startPoint = null; canvas.clearLiveHandler(); } }
/** * Handles a mouse clicked event by setting the anchor point for the * canvas and redrawing the chart (the anchor point is a reference point * used by the chart to determine crosshair lines). * * @param canvas the chart canvas (<code>null</code> not permitted). * @param e the mouse event (<code>null</code> not permitted). */ @Override public void handleMouseClicked(ChartCanvas canvas, MouseEvent e) { if (this.mousePressedPoint == null) { return; } Point2D currPt = new Point2D.Double(e.getX(), e.getY()); if (this.mousePressedPoint.distance(currPt) < 2) { canvas.dispatchMouseClickedEvent(currPt, e); } this.mousePressedPoint = null; }