Example usage for org.jfree.data.extension.impl CategoryDatasetSelectionExtension CategoryDatasetSelectionExtension

Introduction

In this page you can find the example usage for org.jfree.data.extension.impl CategoryDatasetSelectionExtension CategoryDatasetSelectionExtension.

Prototype

public CategoryDatasetSelectionExtension(CategoryDataset dataset) 

Source Link

Document

Creates a separate selection extension for the specified dataset.

Usage

From source file:org.jfree.chart.demo.selection.SelectionDemo7ScatterRenderer.java

/**
 * Creates a panel for the demo (used by SuperDemo.java).
 * /*from  w  w  w  .  ja v a2  s.  c  o m*/
 * @return A panel.
 */
public static JPanel createDemoPanel() {
    MultiValueCategoryDataset dataset = createDataset();
    //extend dataset and add selection change listener for the demo
    DatasetSelectionExtension<CategoryCursor<String, String>> datasetExtension = new CategoryDatasetSelectionExtension<String, String>(
            dataset);

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

    //add a selection handler with shift modifier for clicking
    RegionSelectionHandler selectionHandler = new FreeRegionSelectionHandler();
    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;
}

---

From source file:org.jfree.chart.demo.selection.SelectionDemo5Category.java

public final JPanel createDemoPanel() {
    this.dataset = createDataset();
    //extend dataset and add selection change listener for the demo
    DatasetSelectionExtension<CategoryCursor<String, String>> datasetExtension = new CategoryDatasetSelectionExtension<String, String>(
            this.dataset);
    datasetExtension.addChangeListener(this);

    //standard setup
    JFreeChart chart = createChart(this.dataset, datasetExtension);
    ChartPanel panel = new ChartPanel(chart);
    panel.setMouseWheelEnabled(true);/*from   w  ww.  j a va  2 s .c o m*/

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

    return panel;
}

---