eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/derivate/handler/SingleReadHandler.java

   1 package eu.etaxonomy.taxeditor.editor.view.derivate.handler;
   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.editor.view.derivate.DerivateView;
  17 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  18 import eu.etaxonomy.taxeditor.store.CdmStore;
  19
  20 public class SingleReadHandler extends AbstractHandler {
  21
  22     @Override
  23     public Object execute(ExecutionEvent event) throws ExecutionException {
  24         IEditorPart activeEditor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
  25         ISelection clipBoardSelection = LocalSelectionTransfer.getTransfer().getSelection();
  26         final ISelection selection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getSelection();
  27         TreeNode clipBoardTreeNode = EditorUtil.getTreeNodeOfSelection(clipBoardSelection);
  28         TreeNode selectedTreeNode = EditorUtil.getTreeNodeOfSelection(selection);
  29         if(activeEditor instanceof DerivateView) {
  30             DerivateView derivateView = (DerivateView)activeEditor;
  31             if(event.getCommand().getId().equals("eu.etaxonomy.taxeditor.editor.derivative.copySingleReadToClipBoard")){ //$NON-NLS-1$
  32                 LocalSelectionTransfer.getTransfer().setSelection(selection);
  33             }
  34             else if(event.getCommand().getId().equals("eu.etaxonomy.taxeditor.editor.derivative.reuseSingleRead")){ //$NON-NLS-1$
  35                 if(activeEditor.isDirty()){
  36                     MessagingUtils.warningDialog(DerivateView.VIEW_HAS_UNSAVED_CHANGES, this, DerivateView.YOU_NEED_TO_SAVE_BEFORE_PERFORMING_THIS_ACTION);
  37                     return null;
  38                 }
  39                 if(clipBoardTreeNode!=null && clipBoardTreeNode.getValue() instanceof SingleRead
  40                         && selectedTreeNode!=null && selectedTreeNode.getValue() instanceof Sequence){
  41                     SingleRead singleRead = (SingleRead)clipBoardTreeNode.getValue();
  42                     Sequence sequence = (Sequence)selectedTreeNode.getValue();
  43                     sequence.addSingleRead(singleRead);
  44                     CdmStore.getService(ISequenceService.class).merge(sequence);
  45
  46                     if(activeEditor instanceof DerivateView) {
  47                         derivateView.getConversationHolder().commit();
  48                         derivateView.refreshTree();
  49                         LocalSelectionTransfer.getTransfer().setSelection(null);
  50                     }
  51                 }
  52             }
  53             else if(event.getCommand().getId().equals("eu.etaxonomy.taxeditor.editor.derivative.removeSingleReadFromSequence")){ //$NON-NLS-1$
  54                 if(activeEditor.isDirty()){
  55                     MessagingUtils.warningDialog(DerivateView.VIEW_HAS_UNSAVED_CHANGES, this, DerivateView.YOU_NEED_TO_SAVE_BEFORE_PERFORMING_THIS_ACTION);
  56                     return null;
  57                 }
  58                 if(selectedTreeNode!=null && selectedTreeNode.getParent()!=null &&
  59                         selectedTreeNode.getValue() instanceof SingleRead && selectedTreeNode.getParent().getValue() instanceof Sequence) {
  60                     Sequence sequence = (Sequence) selectedTreeNode.getParent().getValue();
  61                     sequence.removeSingleRead((SingleRead) selectedTreeNode.getValue());
  62                     CdmStore.getService(ISequenceService.class).merge(sequence);
  63
  64                     if(activeEditor instanceof DerivateView) {
  65                         derivateView.getConversationHolder().commit();
  66                         derivateView.refreshTree();
  67                     }
  68                 }
  69             }
  70             derivateView.updateLabelCache();
  71             derivateView.refreshTree();
  72         }
  73         return null;
  74     }
  75
  76 }