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jfreechart example source code file (DefaultChartEditor.java)

This example jfreechart source code file (DefaultChartEditor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

awt, borderlayout, borderlayout, defaultcharteditor, defaultploteditor, defaulttitleeditor, edit, edit, event, gui, jlabel, jpanel, jpanel, jtabbedpane, no_editor_implemented, no_editor_implemented, swing, title, util

The jfreechart DefaultChartEditor.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, 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.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -----------------------
 * DefaultChartEditor.java
 * -----------------------
 * (C) Copyright 2000-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   Arnaud Lelievre;
 *                   Daniel Gredler;
 *
 * Changes
 * -------
 * 24-Nov-2005 : New class, based on ChartPropertyEditPanel.java (DG);
 * 18-Dec-2008 : Use ResourceBundleWrapper - see patch 1607918 by
 *               Jess Thrysoee (DG);
 *
 */

package org.jfree.chart.editor;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Paint;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ResourceBundle;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JColorChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.title.Title;
import org.jfree.chart.util.ResourceBundleWrapper;
import org.jfree.layout.LCBLayout;
import org.jfree.ui.PaintSample;

/**
 * A panel for editing chart properties (includes subpanels for the title,
 * legend and plot).
 */
class DefaultChartEditor extends JPanel implements ActionListener, ChartEditor {

    /** A panel for displaying/editing the properties of the title. */
    private DefaultTitleEditor titleEditor;

    /** A panel for displaying/editing the properties of the plot. */
    private DefaultPlotEditor plotEditor;

    /**
     * A checkbox indicating whether or not the chart is drawn with
     * anti-aliasing.
     */
    private JCheckBox antialias;

    /** The chart background color. */
    private PaintSample background;

    /** The resourceBundle for the localization. */
    protected static ResourceBundle localizationResources
            = ResourceBundleWrapper.getBundle(
                    "org.jfree.chart.editor.LocalizationBundle");

    /**
     * Standard constructor - the property panel is made up of a number of
     * sub-panels that are displayed in the tabbed pane.
     *
     * @param chart  the chart, whichs properties should be changed.
     */
    public DefaultChartEditor(JFreeChart chart) {
        setLayout(new BorderLayout());

        JPanel other = new JPanel(new BorderLayout());
        other.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));

        JPanel general = new JPanel(new BorderLayout());
        general.setBorder(BorderFactory.createTitledBorder(
            BorderFactory.createEtchedBorder(),
            localizationResources.getString("General")));

        JPanel interior = new JPanel(new LCBLayout(6));
        interior.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));

        this.antialias = new JCheckBox(localizationResources.getString(
                "Draw_anti-aliased"));
        this.antialias.setSelected(chart.getAntiAlias());
        interior.add(this.antialias);
        interior.add(new JLabel(""));
        interior.add(new JLabel(""));
        interior.add(new JLabel(localizationResources.getString(
                "Background_paint")));
        this.background = new PaintSample(chart.getBackgroundPaint());
        interior.add(this.background);
        JButton button = new JButton(localizationResources.getString(
                "Select..."));
        button.setActionCommand("BackgroundPaint");
        button.addActionListener(this);
        interior.add(button);

        interior.add(new JLabel(localizationResources.getString(
                "Series_Paint")));
        JTextField info = new JTextField(localizationResources.getString(
                "No_editor_implemented"));
        info.setEnabled(false);
        interior.add(info);
        button = new JButton(localizationResources.getString("Edit..."));
        button.setEnabled(false);
        interior.add(button);

        interior.add(new JLabel(localizationResources.getString(
                "Series_Stroke")));
        info = new JTextField(localizationResources.getString(
                "No_editor_implemented"));
        info.setEnabled(false);
        interior.add(info);
        button = new JButton(localizationResources.getString("Edit..."));
        button.setEnabled(false);
        interior.add(button);

        interior.add(new JLabel(localizationResources.getString(
                "Series_Outline_Paint")));
        info = new JTextField(localizationResources.getString(
                "No_editor_implemented"));
        info.setEnabled(false);
        interior.add(info);
        button = new JButton(localizationResources.getString("Edit..."));
        button.setEnabled(false);
        interior.add(button);

        interior.add(new JLabel(localizationResources.getString(
                "Series_Outline_Stroke")));
        info = new JTextField(localizationResources.getString(
                "No_editor_implemented"));
        info.setEnabled(false);
        interior.add(info);
        button = new JButton(localizationResources.getString("Edit..."));
        button.setEnabled(false);
        interior.add(button);

        general.add(interior, BorderLayout.NORTH);
        other.add(general, BorderLayout.NORTH);

        JPanel parts = new JPanel(new BorderLayout());

        Title title = chart.getTitle();
        Plot plot = chart.getPlot();

        JTabbedPane tabs = new JTabbedPane();

        this.titleEditor = new DefaultTitleEditor(title);
        this.titleEditor.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
        tabs.addTab(localizationResources.getString("Title"), this.titleEditor);

        this.plotEditor = new DefaultPlotEditor(plot);
        this.plotEditor.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
        tabs.addTab(localizationResources.getString("Plot"), this.plotEditor);

        tabs.add(localizationResources.getString("Other"), other);
        parts.add(tabs, BorderLayout.NORTH);
        add(parts);
    }

    /**
     * Returns a reference to the title editor.
     *
     * @return A panel for editing the title.
     */
    public DefaultTitleEditor getTitleEditor() {
      return this.titleEditor;
    }

    /**
     * Returns a reference to the plot property sub-panel.
     *
     * @return A panel for editing the plot properties.
     */
    public DefaultPlotEditor getPlotEditor() {
        return this.plotEditor;
    }

    /**
     * Returns the current setting of the anti-alias flag.
     *
     * @return <code>true if anti-aliasing is enabled.
     */
    public boolean getAntiAlias() {
        return this.antialias.isSelected();
    }

    /**
     * Returns the current background paint.
     *
     * @return The current background paint.
     */
    public Paint getBackgroundPaint() {
        return this.background.getPaint();
    }

    /**
     * Handles user interactions with the panel.
     *
     * @param event  a BackgroundPaint action.
     */
    public void actionPerformed(ActionEvent event) {
        String command = event.getActionCommand();
        if (command.equals("BackgroundPaint")) {
            attemptModifyBackgroundPaint();
        }
    }

    /**
     * Allows the user the opportunity to select a new background paint.  Uses
     * JColorChooser, so we are only allowing a subset of all Paint objects to
     * be selected (fix later).
     */
    private void attemptModifyBackgroundPaint() {
        Color c;
        c = JColorChooser.showDialog(this, localizationResources.getString(
                "Background_Color"), Color.blue);
        if (c != null) {
            this.background.setPaint(c);
        }
    }

    /**
     * Updates the properties of a chart to match the properties defined on the
     * panel.
     *
     * @param chart  the chart.
     */
    public void updateChart(JFreeChart chart) {

        this.titleEditor.setTitleProperties(chart);
        this.plotEditor.updatePlotProperties(chart.getPlot());

        chart.setAntiAlias(getAntiAlias());
        chart.setBackgroundPaint(getBackgroundPaint());
    }

}

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