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jfreechart example source code file (SWTChartEditor.java)

This example jfreechart source code file (SWTChartEditor.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

button, gridlayout, jfreechart, selectionadapter, selectionadapter, shell, swtcharteditor, swtothereditor, swttitleeditor, swttitleeditor, tabfolder, tabfolder, tabitem, tabitem, util

The jfreechart SWTChartEditor.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.]
 *
 * -------------------
 * SWTChartEditor.java
 * -------------------
 * (C) Copyright 2006-2008, by Henry Proudhon and Contributors.
 *
 * Original Author:  Henry Proudhon (henry.proudhon AT ensmp.fr);
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 * Changes
 * -------
 * 01-Aug-2006 : New class (HP);
 * 18-Dec-2008 : Use ResourceBundleWrapper - see patch 1607918 by
 *               Jess Thrysoee (DG);
 *
 */

package org.jfree.experimental.chart.swt.editor;

import java.util.ResourceBundle;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.editor.ChartEditor;
import org.jfree.chart.util.ResourceBundleWrapper;

/**
 * An editor for chart properties.
 */
public class SWTChartEditor implements ChartEditor {

    /** The shell */
    private Shell shell;

    /** The chart which the properties have to be edited */
    private JFreeChart chart;

    /** A composite for displaying/editing the properties of the title. */
    private SWTTitleEditor titleEditor;

    /** A composite for displaying/editing the properties of the plot. */
    private SWTPlotEditor plotEditor;

    /** A composite for displaying/editing the other properties of the chart. */
    private SWTOtherEditor otherEditor;

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

    /**
     * Creates a new editor.
     *
     * @param display  the display.
     * @param chart2edit  the chart to edit.
     */
    public SWTChartEditor(Display display, JFreeChart chart2edit) {
        this.shell = new Shell(display, SWT.DIALOG_TRIM);
        this.shell.setSize(400, 500);
        this.chart = chart2edit;
        this.shell.setText(ResourceBundleWrapper.getBundle(
                "org.jfree.chart.LocalizationBundle").getString(
                        "Chart_Properties"));
        GridLayout layout = new GridLayout(2, true);
        layout.marginLeft = layout.marginTop = layout.marginRight
                = layout.marginBottom = 5;
        this.shell.setLayout(layout);
        Composite main = new Composite(this.shell, SWT.NONE);
        main.setLayout(new FillLayout());
        main.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));

        TabFolder tab = new TabFolder(main, SWT.BORDER);
        // build first tab
        TabItem item1 = new TabItem(tab, SWT.NONE);
        item1.setText(" " + localizationResources.getString("Title") + " ");
        this.titleEditor = new SWTTitleEditor(tab, SWT.NONE,
                this.chart.getTitle());
        item1.setControl(this.titleEditor);
        // build second tab
        TabItem item2 = new TabItem(tab, SWT.NONE);
        item2.setText(" " + localizationResources.getString("Plot") + " ");
        this.plotEditor = new SWTPlotEditor(tab, SWT.NONE,
                this.chart.getPlot());
        item2.setControl(this.plotEditor);
        // build the third tab
        TabItem item3 = new TabItem(tab, SWT.NONE);
        item3.setText(" " + localizationResources.getString("Other") + " ");
        this.otherEditor = new SWTOtherEditor(tab, SWT.NONE, this.chart);
        item3.setControl(this.otherEditor);

        // ok and cancel buttons
        Button ok = new Button(this.shell, SWT.PUSH | SWT.OK);
        ok.setText(" Ok ");
        ok.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
        ok.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                updateChart(SWTChartEditor.this.chart);
                SWTChartEditor.this.shell.dispose();
            }
        });
        Button cancel = new Button(this.shell, SWT.PUSH);
        cancel.setText(" Cancel ");
        cancel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
        cancel.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                SWTChartEditor.this.shell.dispose();
            }
        });
    }

    /**
     * Opens the editor.
     */
    public void open() {
        this.shell.open();
        this.shell.layout();
        while (!this.shell.isDisposed()) {
            if (!this.shell.getDisplay().readAndDispatch()) {
                this.shell.getDisplay().sleep();
            }
        }
    }

    /**
     * Updates the chart properties.
     *
     * @param chart  the chart.
     */
    public void updateChart(JFreeChart chart)
    {
        this.titleEditor.setTitleProperties(chart);
        this.plotEditor.updatePlotProperties(chart.getPlot());
        this.otherEditor.updateChartProperties(chart);
    }

}

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