Example usage for org.jfree.chart.panel.selectionhandler RectangularHeightRegionSelectionHandler RectangularHeightRegionSelectionHandler

Introduction

In this page you can find the example usage for org.jfree.chart.panel.selectionhandler RectangularHeightRegionSelectionHandler RectangularHeightRegionSelectionHandler.

Prototype

public RectangularHeightRegionSelectionHandler() 

Source Link

Document

Creates a new default instance.

Usage

From source file:org.jfree.chart.demo.selection.SelectionDemo8.java

public final JPanel createDemoPanel() {
    XYDataset xydataset = createDataset();
    //extend dataset and add selection change listener for the demo
    DatasetSelectionExtension<XYCursor> datasetExtension = new XYDatasetSelectionExtension(xydataset);
    datasetExtension.addChangeListener(this);

    //standard setup
    JFreeChart chart = createChart(xydataset, datasetExtension);
    ChartPanel panel = new ChartPanel(chart);
    panel.setMouseWheelEnabled(true);//from  w ww . j a  v  a2s .  c  o  m

    // add a selection handler
    RegionSelectionHandler selectionHandler = new RectangularHeightRegionSelectionHandler();
    panel.addMouseHandler(selectionHandler);
    panel.addMouseHandler(new MouseClickSelectionHandler());
    panel.removeMouseHandler(panel.getZoomHandler());

    // add a selection manager
    DatasetExtensionManager dExManager = new DatasetExtensionManager();
    dExManager.registerDatasetExtension(datasetExtension);
    panel.setSelectionManager(new EntitySelectionManager(panel, new Dataset[] { xydataset }, dExManager));

    return panel;
}

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