Java tutorial
/* =========================================================== * 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 de.hs.mannheim.modUro.controller.diagram.fx; import de.hs.mannheim.modUro.controller.diagram.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 de.hs.mannheim.modUro.controller.diagram.fx.interaction.ChartMouseListenerFX; import org.jfree.chart.util.ParamChecks; /** * A default skin for the {@link ChartViewer} control. * <p> * <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(150, 200); 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; } }