Java tutorial
/* * ----------------------------------------------------------------------- * File: $HeadURL$ * Revision $LastChangedRevision$ * Last Modified: $LastChangedDate$ * Last Change by: $LastChangedBy$ * ----------------------------------------------------------------------- * Copyright (C) 2007 Keith Stribley <devel@thanlwinsoft.org> * * 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 * ----------------------------------------------------------------------- */ package org.thanlwinsoft.languagetest.eclipse.chart; /*********************************************************************** * Copyright (c) 2006 IBM Corporation. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation ***********************************************************************/ import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import org.eclipse.birt.chart.model.Chart; import org.eclipse.birt.chart.model.Serializer; import org.eclipse.birt.chart.model.impl.SerializerImpl; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IAction; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.viewers.ISelection; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.ImageData; import org.eclipse.swt.program.Program; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.MessageBox; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IViewActionDelegate; import org.eclipse.ui.IViewPart; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.IWorkbenchWindowActionDelegate; import org.thanlwinsoft.languagetest.MessageUtil; import org.thanlwinsoft.languagetest.eclipse.chart.view.ChartHistoryView; /** * Example class that generates a PDF file based on a BIRT Chart Model. * */ public class XMLChartGenerator extends Action implements IWorkbenchWindowActionDelegate, IViewActionDelegate { private IWorkbenchWindow window = null; private IViewPart view = null; private Shell shell = null; private ImageData imageData = null; public XMLChartGenerator() { } /** * Generates a pdf chart to a file */ public void generateChart(Chart cm, String fileName) { try { Serializer serializer = null; File file = new File(fileName); if (file.exists()) { MessageBox box = new MessageBox(shell, SWT.ICON_WARNING | SWT.YES | SWT.NO); box.setText(MessageUtil.getString("SaveXMLSource")); box.setMessage(MessageUtil.getString("FileAlreadyExistsReplace", fileName)); if (box.open() != SWT.YES) { return; } file.delete(); } serializer = SerializerImpl.instance(); try { FileOutputStream fos = new FileOutputStream(file); serializer.write(cm, fos); fos.close(); } catch (IOException ioe) { ioe.printStackTrace(); } } catch (Throwable ce) { ce.printStackTrace(); } } /* (non-Javadoc) * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose() */ public void dispose() { // TODO Auto-generated method stub } /* (non-Javadoc) * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow) */ public void init(IWorkbenchWindow window) { this.window = window; } /* (non-Javadoc) * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) */ public void run(IAction action) { //org.eclipse.birt.chart.examples.api.pdf.PDFChartGenerator.main(); ChartHistoryView chView = null; if (window != null) { view = window.getActivePage().findView(ChartHistoryView.ID); } if (view instanceof ChartHistoryView) { chView = (ChartHistoryView) view; } if (chView != null) { Chart cm = chView.getChart(); //if (cm == null) // cm = PDFChartGenerator.createHSChart(); if (cm != null) { this.shell = chView.getSite().getShell(); FileDialog dialog = new FileDialog(shell, SWT.SAVE); dialog.setText(MessageUtil.getString("ExportChartToXML")); dialog.setFileName("TestHistoryChart.chart"); dialog.setFilterExtensions(new String[] { "*.chart", "*.*" }); dialog.setFilterNames( new String[] { MessageUtil.getString("XML Chart"), MessageUtil.getString("All") }); String fileName = dialog.open(); if (fileName != null) { generateChart(cm, fileName); // Program p = Program.findProgram("*.svg"); // p.execute(fileName); } } } } /* (non-Javadoc) * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection) */ public void selectionChanged(IAction action, ISelection selection) { } /* (non-Javadoc) * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) */ public void init(IViewPart view) { this.view = view; Program p = Program.findProgram(".xml"); if (p != null) imageData = p.getImageData(); Image image = new Image(view.getSite().getShell().getDisplay(), imageData); JFaceResources.getImageRegistry().put("XML", image); this.setImageDescriptor(JFaceResources.getImageRegistry().getDescriptor("XML")); } }