/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* --------------------
* ChartViewerSkin.java
* --------------------
* (C) Copyright 2014, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes:
* --------
* 20-Jun-2014 : Version 1 (DG);
*/
package org.jfree.chart.fx;
import org.jfree.chart.fx.interaction.ZoomHandlerFX;
import javafx.scene.control.SkinBase;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.scene.paint.Paint;
import javafx.scene.shape.Rectangle;
import org.jfree.chart.ChartMouseEvent;
import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.fx.interaction.ChartMouseListenerFX;
import org.jfree.chart.util.ParamChecks;
/**
* A default skin for the {@link ChartViewer} control.
*
* <p>THE API FOR THIS CLASS IS SUBJECT TO CHANGE IN FUTURE RELEASES. This is
* so that we can incorporate feedback on the (new) JavaFX support in
* JFreeChart.</p>
*
* @since 1.0.18
*/
public class ChartViewerSkin extends SkinBase<ChartViewer> {
/** The chart canvas. */
private ChartCanvas canvas;
/**
* The zoom rectangle is used to display the zooming region when
* doing a drag-zoom with the mouse. Most of the time this rectangle
* is not visible.
*/
private Rectangle zoomRectangle;
/**
* Creates a new instance.
*
* @param control the control ({@code null} not permitted).
*/
public ChartViewerSkin(ChartViewer control) {
super(control);
getChildren().add(createNode(control));
this.zoomRectangle = new Rectangle(0, 0, new Color(0, 0, 1, 0.25));
this.zoomRectangle.setManaged(false);
this.zoomRectangle.setVisible(false);
getChildren().add(this.zoomRectangle);
}
/**
* Returns the rendering info from the most recent drawing of the chart.
*
* @return The rendering info (possibly {@code null}).
*
* @since 1.0.19
*/
public ChartRenderingInfo getRenderingInfo() {
return this.canvas.getRenderingInfo();
}
/**
* Sets the chart displayed by this control.
*
* @param chart the chart ({@code null} not permitted).
*/
public void setChart(JFreeChart chart) {
this.canvas.setChart(chart);
}
public void setTooltipEnabled(boolean enabled) {
this.canvas.setTooltipEnabled(enabled);
}
/**
* Returns the current fill paint for the zoom rectangle.
*
* @return The fill paint.
*/
public Paint getZoomFillPaint() {
return this.zoomRectangle.getFill();
}
/**
* Sets the fill paint for the zoom rectangle.
*
* @param paint the new paint.
*/
public void setZoomFillPaint(Paint paint) {
this.zoomRectangle.setFill(paint);
}
/**
* Registers a listener to receive {@link ChartMouseEvent} notifications
* from the chart viewer.
*
* @param listener the listener ({@code null} not permitted).
*/
public void addChartMouseListener(ChartMouseListenerFX listener) {
ParamChecks.nullNotPermitted(listener, "listener");
this.canvas.addChartMouseListener(listener);
}
/**
* Removes a listener from the list of objects listening for chart mouse
* events.
*
* @param listener the listener.
*/
public void removeChartMouseListener(ChartMouseListenerFX listener) {
this.canvas.removeChartMouseListener(listener);
}
/**
* Sets the visibility of the zoom rectangle.
*
* @param visible the new flag value.
*/
public void setZoomRectangleVisible(boolean visible) {
this.zoomRectangle.setVisible(visible);
}
/**
* Sets the location and size of the zoom rectangle and makes it visible
* if it is not already visible.
*
* @param x the x-coordinate.
* @param y the y-coordinate.
* @param w the width.
* @param h the height.
*/
public void showZoomRectangle(double x, double y, double w, double h) {
this.zoomRectangle.setX(x);
this.zoomRectangle.setY(y);
this.zoomRectangle.setWidth(w);
this.zoomRectangle.setHeight(h);
this.zoomRectangle.setVisible(true);
}
/**
* Creates the node representing this control.
*
* @return The node.
*/
private BorderPane createNode(ChartViewer control) {
BorderPane borderPane = new BorderPane();
borderPane.setPrefSize(800, 500);
StackPane sp = new StackPane();
sp.setMinSize(10, 10);
sp.setPrefSize(600, 400);
this.canvas = new ChartCanvas(getSkinnable().getChart());
this.canvas.setTooltipEnabled(control.isTooltipEnabled());
this.canvas.addChartMouseListener(control);
this.canvas.widthProperty().bind(sp.widthProperty());
this.canvas.heightProperty().bind(sp.heightProperty());
this.canvas.addMouseHandler(new ZoomHandlerFX("zoom", control));
sp.getChildren().add(this.canvas);
borderPane.setCenter(sp);
return borderPane;
}
}