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

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