bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/SCLClipboard.java

   1 package org.simantics.modeling.ui;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collection;\r
   5 import java.util.List;\r
   6 \r
   7 import org.eclipse.jface.viewers.ISelection;\r
   8 import org.simantics.db.Resource;\r
   9 import org.simantics.modeling.ui.modelBrowser.handlers.StandardCopyHandler;\r
  10 import org.simantics.modeling.ui.modelBrowser.handlers.StandardPasteHandler;\r
  11 import org.simantics.scenegraph.g2d.events.command.Commands;\r
  12 import org.simantics.utils.threads.ThreadUtils;\r
  13 import org.simantics.utils.ui.ISelectionUtils;\r
  14 import org.simantics.db.exception.DatabaseException;\r
  15 import org.simantics.db.layer0.adapter.PasteHandler;\r
  16 import org.simantics.g2d.canvas.ICanvasContext;\r
  17 import org.simantics.g2d.diagram.DiagramHints;\r
  18 import org.simantics.g2d.diagram.IDiagram;\r
  19 import org.simantics.g2d.diagram.handler.DataElementMap;\r
  20 import org.simantics.g2d.diagram.participant.Selection;\r
  21 import org.simantics.g2d.element.IElement;\r
  22 import org.simantics.g2d.utils.CanvasUtils;\r
  23 \r
  24 public class SCLClipboard {\r
  25         \r
  26         public static void copyNode (Resource node) {\r
  27                 \r
  28                 ISelection selection = ISelectionUtils.createSelection(node);\r
  29                 Resource[] rs = new Resource[] {node};\r
  30                 StandardCopyHandler.copyResourcesToClipboard(rs, selection);\r
  31         }\r
  32         \r
  33         public static void pasteNode (Resource target) {\r
  34                 \r
  35                 PasteHandler handler = StandardPasteHandler.getPasteHandlerFromResource(target, PasteHandler.class);\r
  36                 StandardPasteHandler.pasteResourceFromClipboardWithoutMonitor(handler);\r
  37         }\r
  38         \r
  39         public static void copyPasteNode(Resource node, Resource target) {\r
  40                 \r
  41                 copyNode(node);\r
  42                 pasteNode(target);\r
  43         }\r
  44         \r
  45     public static boolean copyPasteDiagramContents (final ICanvasContext source_ctx, final ICanvasContext target_ctx, List<Resource> modules) throws DatabaseException {\r
  46         \r
  47         IDiagram idiagram = source_ctx.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);\r
  48 \r
  49                 DataElementMap dem = idiagram.getDiagramClass().getAtMostOneItemOfClass(DataElementMap.class);\r
  50                 if (dem != null) {\r
  51                         final Collection<IElement> newSelection = new ArrayList<IElement>();\r
  52                         for (Resource module : modules) {\r
  53                                 IElement element = dem.getElement(idiagram, module);\r
  54                                 if (element != null) {\r
  55                                         newSelection.add(element);\r
  56                                 } else {\r
  57                                         throw new DatabaseException("Could not find IElement for " + element);\r
  58                                 }\r
  59                         }\r
  60                         \r
  61                         ThreadUtils.syncExec(source_ctx.getThreadAccess(), new Runnable() {\r
  62                     @Override\r
  63                     public void run() {\r
  64                         if (source_ctx.isDisposed())\r
  65                             return;\r
  66                         Selection selection = source_ctx.getAtMostOneItemOfClass(Selection.class);\r
  67                         if (selection != null) {\r
  68                             // This prevents workbench selection from being left over.\r
  69                             // Also prevents scene graph crap from being left on the screen.\r
  70                             selection.setSelection(0, newSelection);\r
  71                         }\r
  72                                 CanvasUtils.sendCommand(source_ctx, Commands.COPY);\r
  73                                 CanvasUtils.sendCommand(target_ctx, Commands.PASTE);\r
  74                     }\r
  75                 });\r
  76                         \r
  77                 //}\r
  78                 \r
  79                 while(source_ctx.getEventQueue().size() > 0) {\r
  80                         try {\r
  81                                 Thread.sleep(10);\r
  82                         } catch (InterruptedException e) {\r
  83                                 throw new DatabaseException(e);\r
  84                         }\r
  85                 }\r
  86 \r
  87                 ThreadUtils.syncExec(source_ctx.getThreadAccess(), new Runnable() {\r
  88             @Override\r
  89             public void run() {\r
  90             }\r
  91         });             \r
  92                                 \r
  93                 }\r
  94                 return true;\r
  95     }\r
  96     \r
  97     public static boolean delete (final ICanvasContext source_ctx, List<Resource> modules) throws DatabaseException {\r
  98         \r
  99         IDiagram idiagram = source_ctx.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);\r
 100 \r
 101                 DataElementMap dem = idiagram.getDiagramClass().getAtMostOneItemOfClass(DataElementMap.class);\r
 102                 if (dem != null) {\r
 103                         final Collection<IElement> newSelection = new ArrayList<IElement>();\r
 104                         for (Resource module : modules) {\r
 105                                 IElement element = dem.getElement(idiagram, module);\r
 106                                 if (element != null) {\r
 107                                         newSelection.add(element);\r
 108                                 } else {\r
 109                                         throw new DatabaseException("Could not find IElement for " + element);\r
 110                                 }\r
 111                         }\r
 112                         \r
 113                         ThreadUtils.syncExec(source_ctx.getThreadAccess(), new Runnable() {\r
 114                     @Override\r
 115                     public void run() {\r
 116                         if (source_ctx.isDisposed())\r
 117                             return;\r
 118                         Selection selection = source_ctx.getAtMostOneItemOfClass(Selection.class);\r
 119                         if (selection != null) {\r
 120                             // This prevents workbench selection from being left over.\r
 121                             // Also prevents scene graph crap from being left on the screen.\r
 122                             selection.setSelection(0, newSelection);\r
 123                         }\r
 124                                 CanvasUtils.sendCommand(source_ctx, Commands.DELETE);\r
 125                     }\r
 126                 });\r
 127                         \r
 128                 //}\r
 129                 \r
 130                 while(source_ctx.getEventQueue().size() > 0) {\r
 131                         try {\r
 132                                 Thread.sleep(10);\r
 133                         } catch (InterruptedException e) {\r
 134                                 throw new DatabaseException(e);\r
 135                         }\r
 136                 }\r
 137 \r
 138                 ThreadUtils.syncExec(source_ctx.getThreadAccess(), new Runnable() {\r
 139             @Override\r
 140             public void run() {\r
 141             }\r
 142         });             \r
 143                                 \r
 144                 }\r
 145                 return true;\r
 146     }\r
 147         \r
 148 }