Java tutorial
/* * =========================================================== * 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 com.rcp.wbw.demo.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); } }