eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/derivate/PasteDerivateCommand.java

   1 package eu.etaxonomy.taxeditor.editor.view.derivate;
   2
   3 import org.eclipse.core.commands.AbstractHandler;
   4 import org.eclipse.core.commands.ExecutionEvent;
   5 import org.eclipse.core.commands.ExecutionException;
   6 import org.eclipse.jface.util.LocalSelectionTransfer;
   7 import org.eclipse.jface.viewers.ISelection;
   8 import org.eclipse.jface.viewers.TreeNode;
   9 import org.eclipse.ui.IEditorPart;
  10 import org.eclipse.ui.PlatformUI;
  11
  12 import eu.etaxonomy.cdm.api.service.molecular.ISequenceService;
  13 import eu.etaxonomy.cdm.model.molecular.Sequence;
  14 import eu.etaxonomy.cdm.model.molecular.SingleRead;
  15 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  16 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  17 import eu.etaxonomy.taxeditor.store.CdmStore;
  18
  19 public class PasteDerivateCommand extends AbstractHandler {
  20
  21
  22     @Override
  23     public Object execute(ExecutionEvent event) throws ExecutionException {
  24         IEditorPart activeEditor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
  25         if(activeEditor.isDirty()){
  26             AbstractUtility.warningDialog("View has unsaved changes", this, "You need to save before performing this action");
  27             return null;
  28         }
  29         ISelection clipBoardSelection = LocalSelectionTransfer.getTransfer().getSelection();
  30         final ISelection pasteSelection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getSelection();
  31
  32         TreeNode clipBoardTreeNode = EditorUtil.getTreeNodeValueOfSelection(clipBoardSelection);
  33         TreeNode pasteTreeNode = EditorUtil.getTreeNodeValueOfSelection(pasteSelection);
  34         if(clipBoardTreeNode!=null && clipBoardTreeNode.getValue() instanceof SingleRead
  35                 && pasteTreeNode!=null && pasteTreeNode.getValue() instanceof Sequence){
  36             SingleRead singleRead = (SingleRead)clipBoardTreeNode.getValue();
  37             Sequence sequence = (Sequence)pasteTreeNode.getValue();
  38             sequence.addSingleRead(singleRead);
  39             CdmStore.getService(ISequenceService.class).saveOrUpdate(sequence);
  40             if(activeEditor instanceof DerivateView) {
  41                 DerivateView derivateView = (DerivateView)activeEditor;
  42                 derivateView.getViewer().setInput(derivateView.getEditorInput());
  43                 LocalSelectionTransfer.getTransfer().setSelection(null);
  44             }
  45         }
  46         return null;
  47     }
  48
  49 }