bundles/org.simantics.charts/src/org/simantics/charts/editor/ExportToPdfHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.charts.editor;
  13
  14 import java.awt.Toolkit;
  15 import java.awt.datatransfer.Clipboard;
  16 import java.awt.datatransfer.StringSelection;
  17 import java.io.File;
  18 import java.io.IOException;
  19 import java.lang.reflect.InvocationTargetException;
  20
  21 import org.eclipse.core.commands.AbstractHandler;
  22 import org.eclipse.core.commands.ExecutionEvent;
  23 import org.eclipse.core.commands.ExecutionException;
  24 import org.eclipse.core.runtime.IProgressMonitor;
  25 import org.eclipse.core.runtime.IStatus;
  26 import org.eclipse.core.runtime.Status;
  27 import org.eclipse.jface.operation.IRunnableWithProgress;
  28 import org.eclipse.swt.SWT;
  29 import org.eclipse.swt.widgets.Display;
  30 import org.eclipse.swt.widgets.FileDialog;
  31 import org.eclipse.swt.widgets.Shell;
  32 import org.eclipse.ui.PlatformUI;
  33 import org.eclipse.ui.handlers.HandlerUtil;
  34 import org.simantics.charts.Activator;
  35 import org.simantics.trend.impl.TrendNode;
  36 import org.simantics.trend.util.PrintUtil;
  37 import org.simantics.utils.ui.dialogs.ShowMessage;
  38
  39 /**
  40  * @author Tuukka Lehtonen
  41  */
  42 public class ExportToPdfHandler extends AbstractHandler {
  43
  44     FileDialog fd;
  45     Display display;
  46
  47     public ExportToPdfHandler()
  48     {
  49         super();
  50         display = PlatformUI.createDisplay();
  51         Shell shell = display.getActiveShell();
  52         fd = new FileDialog( shell, SWT.SAVE );
  53         fd.setText("Select PDF File");
  54         fd.setFilterExtensions(new String[] {"*.pdf"});
  55         fd.setFilterNames(new String[] {"PDF Documents"});
  56     }
  57
  58     @Override
  59     public Object execute(ExecutionEvent event) throws ExecutionException {
  60         final TimeSeriesEditor editor = (TimeSeriesEditor) HandlerUtil.getActiveEditor(event);
  61         final TrendNode trend = editor.trendNode;
  62
  63         // TODO: query file name from user, preferably create a wizard.
  64         String name = trend.getTrendSpec().name;
  65         fd.setText("Export "+name+" to PDF");
  66
  67         String filename = fd.open();
  68         if (filename == null) return null;
  69         final File f = new File( filename );
  70
  71         IRunnableWithProgress r = new IRunnableWithProgress() {
  72             @Override
  73             public void run(IProgressMonitor monitor)
  74                     throws InvocationTargetException, InterruptedException {
  75                 try {
  76                     // Ensure all views are built.
  77                     monitor.setTaskName("Exporting");
  78                     PrintUtil pu = new PrintUtil();
  79                     pu.addTrendPage(trend);
  80                     try {
  81                         //File f = File.createTempFile("Trend", ".pdf");
  82                         pu.printPdf(f);
  83                         System.out.println("Printed Trend to "+f);
  84                     } catch (IOException e1) {
  85                         throw new InvocationTargetException( e1 );
  86                     }
  87                     monitor.setTaskName("Done");
  88
  89                     // Put exported file name into clipboard.
  90                     Toolkit toolkit = Toolkit.getDefaultToolkit();
  91                     Clipboard clipboard = toolkit.getSystemClipboard();
  92                     StringSelection strSel = new StringSelection(f.getAbsolutePath());
  93                     clipboard.setContents(strSel, null);
  94
  95                 } finally {
  96                     monitor.done();
  97                 }
  98             }
  99         };
 100
 101         try {
 102             PlatformUI.getWorkbench().getProgressService().busyCursorWhile( r );
 103         } catch (InvocationTargetException e) {
 104                 ShowMessage.showError(e.getCause().getClass().getName(), e.getCause().getMessage());
 105                 Status s = new Status(IStatus.ERROR, Activator.PLUGIN_ID, "PDF Export failed: "+e.getCause().getMessage(), e.getCause());
 106                 Activator.getDefault().getLog().log(s);
 107         } catch (InterruptedException e) {
 108                 Status s = new Status(IStatus.ERROR, Activator.PLUGIN_ID, "PDF Export failed: "+e.getCause().getMessage(), e.getCause());
 109                 Activator.getDefault().getLog().log(s);
 110         }
 111
 112         return null;
 113     }
 114
 115     @Override
 116     public void dispose() {
 117         if (display!=null) {
 118 //              display.dispose();
 119                 display = null;
 120         }
 121         super.dispose();
 122     }
 123
 124 }