bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/modelBrowser/handlers/StandardPasteHandler.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.modeling.ui.modelBrowser.handlers;\r
  12 \r
  13 \r
  14 import java.lang.reflect.InvocationTargetException;\r
  15 \r
  16 import org.eclipse.core.commands.AbstractHandler;\r
  17 import org.eclipse.core.commands.ExecutionEvent;\r
  18 import org.eclipse.core.commands.ExecutionException;\r
  19 import org.eclipse.core.commands.IHandler;\r
  20 import org.eclipse.core.runtime.IProgressMonitor;\r
  21 import org.eclipse.core.runtime.SubMonitor;\r
  22 import org.eclipse.jface.dialogs.ProgressMonitorDialog;\r
  23 import org.eclipse.jface.operation.IRunnableWithProgress;\r
  24 import org.eclipse.jface.viewers.ISelection;\r
  25 import org.eclipse.swt.widgets.Shell;\r
  26 import org.eclipse.ui.PlatformUI;\r
  27 import org.eclipse.ui.handlers.HandlerUtil;\r
  28 import org.simantics.Simantics;\r
  29 import org.simantics.db.Resource;\r
  30 import org.simantics.db.common.primitiverequest.Adapter;\r
  31 import org.simantics.db.common.utils.Logger;\r
  32 import org.simantics.db.exception.DatabaseException;\r
  33 import org.simantics.db.layer0.adapter.PasteHandler;\r
  34 import org.simantics.ui.SimanticsUI;\r
  35 import org.simantics.utils.ui.ErrorLogger;\r
  36 import org.simantics.utils.ui.ExceptionUtils;\r
  37 \r
  38 public class StandardPasteHandler extends AbstractHandler implements IHandler {\r
  39 \r
  40     @Override\r
  41     public Object execute(ExecutionEvent event) throws ExecutionException {\r
  42 \r
  43         final ISelection selection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection();\r
  44         final PasteHandler handler = SimanticsUI.filterSingleSelection(selection, PasteHandler.class);\r
  45         if (handler != null) {\r
  46                 \r
  47                 try {\r
  48                         \r
  49                     Simantics.getSession().markUndoPoint();\r
  50                         IRunnableWithProgress op = pasteResourceFromClipboard(handler);\r
  51                         \r
  52                         Shell shell = HandlerUtil.getActiveShell(event);\r
  53                         new ProgressMonitorDialog(shell).run(true, true, op);\r
  54                         \r
  55                 } catch (InvocationTargetException e) {\r
  56                         Throwable t = e.getCause();\r
  57                         if (t != null) {\r
  58                                 ExceptionUtils.logAndShowError("Paste Failed", t.getMessage(), e);\r
  59                         } else {\r
  60                                 ExceptionUtils.logAndShowError("Paste Failed", "Paste failed for unknown reason.", e);\r
  61                         }\r
  62                 } catch (InterruptedException e) {\r
  63                         ErrorLogger.defaultLogError(e);\r
  64                 }\r
  65                 \r
  66         }\r
  67         return null;\r
  68     }\r
  69     \r
  70     public static IRunnableWithProgress pasteResourceFromClipboard(final PasteHandler handler) {\r
  71         \r
  72         IRunnableWithProgress op = new IRunnableWithProgress() {\r
  73 \r
  74                         @Override\r
  75                         public void run(IProgressMonitor monitor) throws InvocationTargetException,\r
  76                         InterruptedException {\r
  77                                 SubMonitor progress = SubMonitor.convert(monitor, 100);\r
  78                                 try {\r
  79                                         progress.beginTask("Copying", 100);\r
  80                                         progress.worked(50);\r
  81                                         progress.subTask("Please wait..");\r
  82                             handler.pasteFromClipboard(Simantics.getClipboard());\r
  83                                 } catch (Exception e) {\r
  84                                         throw new InvocationTargetException(e);\r
  85                                 } finally {\r
  86                                         monitor.done();\r
  87                                 }\r
  88                         }\r
  89                 };\r
  90                 return op;\r
  91         \r
  92     }\r
  93     \r
  94     public static void pasteResourceFromClipboardWithoutMonitor (final PasteHandler handler) {\r
  95         try {\r
  96                 handler.pasteFromClipboard(Simantics.getClipboard());\r
  97                 } catch (DatabaseException e) {\r
  98                         try {\r
  99                                 throw new InvocationTargetException(e);\r
 100                         } catch (InvocationTargetException e1) {\r
 101                                 e1.getCause().printStackTrace();\r
 102                         }\r
 103                         e.printStackTrace();\r
 104                 }\r
 105     }\r
 106     \r
 107     public static <T> T getPasteHandlerFromResource (Resource resource, Class<T> assignableFrom) {\r
 108     \r
 109     try {\r
 110         return Simantics.getSession().syncRequest(new Adapter<T>(resource, assignableFrom));\r
 111     } catch (DatabaseException e) {\r
 112         Logger.defaultLogError(e);\r
 113         return null;\r
 114     }\r
 115     }\r
 116 }\r
 117 \r