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

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