jfreechart example source code file (SWTOtherEditor.java)

This example jfreechart source code file (SWTOtherEditor.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

background_paint, background_paint, button, button, colordialog, draw_anti-aliased, filllayout, filllayout, griddata, group, selectionadapter, swtothereditor, swtpaintcanvas, swtpaintcanvas, util

The jfreechart SWTOtherEditor.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.]
 *
 * -------------------
 * SWTOtherEditor.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.graphics.Color;
import org.eclipse.swt.graphics.RGB;
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.ColorDialog;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.util.ResourceBundleWrapper;
import org.jfree.experimental.swt.SWTPaintCanvas;
import org.jfree.experimental.swt.SWTUtils;

/**
 * An editor for miscellaneous chart properties.
 */
class SWTOtherEditor extends Composite {

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

    /** The chart background color. */
    private SWTPaintCanvas backgroundPaintCanvas;

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

    /**
     * Creates a new instance.
     *
     * @param parent  the parent.
     * @param style  the style.
     * @param chart  the chart.
     */
    public SWTOtherEditor(Composite parent, int style, JFreeChart chart) {
        super(parent, style);
        FillLayout layout = new FillLayout();
        layout.marginHeight = layout.marginWidth = 4;
        setLayout(layout);

        Group general = new Group(this, SWT.NONE);
        general.setLayout(new GridLayout(3, false));
        general.setText(localizationResources.getString("General"));

        // row 1: antialiasing
        this.antialias = new Button(general, SWT.CHECK);
        this.antialias.setText(localizationResources.getString(
                "Draw_anti-aliased"));
        this.antialias.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true,
                false, 3, 1));
        this.antialias.setSelection(chart.getAntiAlias());

        //row 2: background paint for the chart
        new Label(general, SWT.NONE).setText(localizationResources.getString(
                "Background_paint"));
        this.backgroundPaintCanvas = new SWTPaintCanvas(general, SWT.NONE,
                SWTUtils.toSwtColor(getDisplay(), chart.getBackgroundPaint()));
        GridData bgGridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
        bgGridData.heightHint = 20;
        this.backgroundPaintCanvas.setLayoutData(bgGridData);
        Button selectBgPaint = new Button(general, SWT.PUSH);
        selectBgPaint.setText(localizationResources.getString("Select..."));
        selectBgPaint.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false,
                false));
        selectBgPaint.addSelectionListener(
                new SelectionAdapter() {
                    public void widgetSelected(SelectionEvent event) {
                        ColorDialog dlg = new ColorDialog(getShell());
                        dlg.setText(localizationResources.getString(
                                "Background_paint"));
                        dlg.setRGB(SWTOtherEditor.this.backgroundPaintCanvas
                                .getColor().getRGB());
                        RGB rgb = dlg.open();
                        if (rgb != null) {
                            SWTOtherEditor.this.backgroundPaintCanvas.setColor(
                                    new Color(getDisplay(), rgb));
                        }
                    }
                }
        );
    }

    /**
     * Updates the chart.
     *
     * @param chart  the chart.
     */
    public void updateChartProperties(JFreeChart chart) {
        chart.setAntiAlias(this.antialias.getSelection());
        chart.setBackgroundPaint(SWTUtils.toAwtColor(
                this.backgroundPaintCanvas.getColor()));
    }

}