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.core.runtime.NullProgressMonitor;
   8 import org.eclipse.jface.viewers.ISelection;
   9 import org.simantics.db.Resource;
  10 import org.simantics.modeling.ui.modelBrowser.handlers.StandardCopyHandler;
  11 import org.simantics.modeling.ui.modelBrowser.handlers.StandardPasteHandler;
  12 import org.simantics.scenegraph.g2d.events.command.Commands;
  13 import org.simantics.utils.threads.ThreadUtils;
  14 import org.simantics.utils.ui.ISelectionUtils;
  15 import org.simantics.db.exception.DatabaseException;
  16 import org.simantics.db.layer0.adapter.PasteHandler;
  17 import org.simantics.g2d.canvas.ICanvasContext;
  18 import org.simantics.g2d.diagram.DiagramHints;
  19 import org.simantics.g2d.diagram.IDiagram;
  20 import org.simantics.g2d.diagram.handler.DataElementMap;
  21 import org.simantics.g2d.diagram.participant.Selection;
  22 import org.simantics.g2d.element.IElement;
  23 import org.simantics.g2d.utils.CanvasUtils;
  24
  25 public class SCLClipboard {
  26
  27         public static void copyNode (Resource node) {
  28
  29                 ISelection selection = ISelectionUtils.createSelection(node);
  30                 Resource[] rs = new Resource[] {node};
  31                 StandardCopyHandler.copyResourcesToClipboard(rs, selection, new NullProgressMonitor());
  32         }
  33
  34         public static void pasteNode (Resource target) {
  35
  36                 PasteHandler handler = StandardPasteHandler.getPasteHandlerFromResource(target, PasteHandler.class);
  37                 StandardPasteHandler.pasteResourceFromClipboardWithoutMonitor(handler);
  38         }
  39
  40         public static void copyPasteNode(Resource node, Resource target) {
  41
  42                 copyNode(node);
  43                 pasteNode(target);
  44         }
  45
  46     public static boolean copyPasteDiagramContents (final ICanvasContext source_ctx, final ICanvasContext target_ctx, List<Resource> modules) throws DatabaseException {
  47
  48         IDiagram idiagram = source_ctx.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);
  49
  50                 DataElementMap dem = idiagram.getDiagramClass().getAtMostOneItemOfClass(DataElementMap.class);
  51                 if (dem != null) {
  52                         final Collection<IElement> newSelection = new ArrayList<IElement>();
  53                         for (Resource module : modules) {
  54                                 IElement element = dem.getElement(idiagram, module);
  55                                 if (element != null) {
  56                                         newSelection.add(element);
  57                                 } else {
  58                                         throw new DatabaseException("Could not find IElement for " + element); //$NON-NLS-1$
  59                                 }
  60                         }
  61
  62                         ThreadUtils.syncExec(source_ctx.getThreadAccess(), new Runnable() {
  63                     @Override
  64                     public void run() {
  65                         if (source_ctx.isDisposed())
  66                             return;
  67                         Selection selection = source_ctx.getAtMostOneItemOfClass(Selection.class);
  68                         if (selection != null) {
  69                             // This prevents workbench selection from being left over.
  70                             // Also prevents scene graph crap from being left on the screen.
  71                             selection.setSelection(0, newSelection);
  72                         }
  73                                 CanvasUtils.sendCommand(source_ctx, Commands.COPY);
  74                                 CanvasUtils.sendCommand(target_ctx, Commands.PASTE);
  75                     }
  76                 });
  77
  78                 //}
  79
  80                 while(source_ctx.getEventQueue().size() > 0) {
  81                         try {
  82                                 Thread.sleep(10);
  83                         } catch (InterruptedException e) {
  84                                 throw new DatabaseException(e);
  85                         }
  86                 }
  87
  88                 ThreadUtils.syncExec(source_ctx.getThreadAccess(), new Runnable() {
  89             @Override
  90             public void run() {
  91             }
  92         });
  93
  94                 }
  95                 return true;
  96     }
  97
  98     public static boolean delete (final ICanvasContext source_ctx, List<Resource> modules) throws DatabaseException {
  99
 100         IDiagram idiagram = source_ctx.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);
 101
 102                 DataElementMap dem = idiagram.getDiagramClass().getAtMostOneItemOfClass(DataElementMap.class);
 103                 if (dem != null) {
 104                         final Collection<IElement> newSelection = new ArrayList<IElement>();
 105                         for (Resource module : modules) {
 106                                 IElement element = dem.getElement(idiagram, module);
 107                                 if (element != null) {
 108                                         newSelection.add(element);
 109                                 } else {
 110                                         throw new DatabaseException("Could not find IElement for " + element); //$NON-NLS-1$
 111                                 }
 112                         }
 113
 114                         ThreadUtils.syncExec(source_ctx.getThreadAccess(), new Runnable() {
 115                     @Override
 116                     public void run() {
 117                         if (source_ctx.isDisposed())
 118                             return;
 119                         Selection selection = source_ctx.getAtMostOneItemOfClass(Selection.class);
 120                         if (selection != null) {
 121                             // This prevents workbench selection from being left over.
 122                             // Also prevents scene graph crap from being left on the screen.
 123                             selection.setSelection(0, newSelection);
 124                         }
 125                                 CanvasUtils.sendCommand(source_ctx, Commands.DELETE);
 126                     }
 127                 });
 128
 129                 //}
 130
 131                 while(source_ctx.getEventQueue().size() > 0) {
 132                         try {
 133                                 Thread.sleep(10);
 134                         } catch (InterruptedException e) {
 135                                 throw new DatabaseException(e);
 136                         }
 137                 }
 138
 139                 ThreadUtils.syncExec(source_ctx.getThreadAccess(), new Runnable() {
 140             @Override
 141             public void run() {
 142             }
 143         });
 144
 145                 }
 146                 return true;
 147     }
 148
 149 }