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

Introduction

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

Prototype

public CircularRegionSelectionHandler() 

Source Link

Document

Creates a new default instance.

Usage

From source file:org.jfree.chart.demo.selection.SelectionDemo2.java

/**
 * Creates a panel for the demo (used by SuperDemo.java).
 *
 * @return A panel.//from  www.j a  va2s. c om
 */
public JPanel createDemoPanel() {
    XYDataset dataset = createDataset();
    //extend dataset and add selection change listener for the demo
    DatasetSelectionExtension<XYCursor> datasetExtension = new XYDatasetSelectionExtension(dataset);
    datasetExtension.addChangeListener(this);

    //standard setup
    JFreeChart chart = createChart(dataset, datasetExtension);
    ChartPanel panel = new ChartPanel(chart);
    panel.setMouseWheelEnabled(true);

    // add a selection handler
    RegionSelectionHandler selectionHandler = new CircularRegionSelectionHandler();
    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[] { dataset }, dExManager));

    return panel;
}

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From source file:org.jfree.expdemo.SelectionDemo2.java

/**
 * Creates a panel for the demo (used by SuperDemo.java).
 *
 * @return A panel./* w  ww .  ja v a2s  .c o  m*/
 */
public JPanel createDemoPanel() {
    XYDataset dataset = createDataset();
    //extend dataset and add selection change listener for the demo
    DatasetSelectionExtension datasetExtension = new XYDatasetSelectionExtension(dataset);
    datasetExtension.addSelectionChangeListener(this);

    //standard setup
    JFreeChart chart = createChart(dataset, datasetExtension);
    ChartPanel panel = new ChartPanel(chart);
    panel.setMouseWheelEnabled(true);

    // add a selection handler
    RegionSelectionHandler selectionHandler = new CircularRegionSelectionHandler();
    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[] { dataset }, dExManager));

    return panel;
}

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