eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/media/handler/CreateMediaHandler.java

   1 /**
   2  *
   3  */
   4 package eu.etaxonomy.taxeditor.editor.view.media.handler;
   5
   6 import org.eclipse.core.commands.AbstractHandler;
   7 import org.eclipse.core.commands.ExecutionEvent;
   8 import org.eclipse.core.commands.ExecutionException;
   9 import org.eclipse.core.commands.common.NotDefinedException;
  10 import org.eclipse.jface.viewers.ISelection;
  11 import org.eclipse.jface.viewers.TreePath;
  12 import org.eclipse.jface.viewers.TreeSelection;
  13 import org.eclipse.ui.IEditorPart;
  14 import org.eclipse.ui.IWorkbenchPart;
  15 import org.eclipse.ui.forms.editor.FormEditor;
  16 import org.eclipse.ui.handlers.HandlerUtil;
  17
  18 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  19 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  20 import eu.etaxonomy.taxeditor.editor.view.media.operation.AddMediaToImageGalleryOperation;
  21 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  22 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  23
  24 /**
  25  * <p>CreateMediaHandler class.</p>
  26  *
  27  * @author p.ciardelli
  28  * @version $Id: $
  29  */
  30 public class CreateMediaHandler extends AbstractHandler {
  31
  32         /* (non-Javadoc)
  33          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  34          */
  35         /** {@inheritDoc} */
  36         public Object execute(ExecutionEvent event) throws ExecutionException {
  37                 IWorkbenchPart part = HandlerUtil.getActivePart(event);
  38                 IPostOperationEnabled postOperationEnabled = (part instanceof IPostOperationEnabled) ? (IPostOperationEnabled) part : null;
  39
  40
  41                 DescriptionBase description = null;
  42
  43                 IEditorPart editor = HandlerUtil.getActiveEditor(event);
  44                 if (editor instanceof FormEditor) {
  45                         editor = ((FormEditor) editor).getActiveEditor();
  46                 }
  47
  48                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  49                 if (selection instanceof TreeSelection) {
  50                         TreePath[] paths = ((TreeSelection) selection).getPaths();
  51
  52                         int count = paths[0].getSegmentCount();
  53
  54                         for (int i = 0; i < count; i++ ) {
  55                                 if (paths[0].getSegment(i) instanceof DescriptionBase) {
  56                                         description = (DescriptionBase) paths[0].getSegment(i);
  57                                         break;
  58                                 }
  59                         }
  60                 }
  61
  62                 if(description != null){
  63                         AbstractPostOperation operation = null;
  64                         try {
  65                                 // TODO use undo context specific to editor
  66                                 operation = new AddMediaToImageGalleryOperation(event.getCommand().getName(),
  67                                                 EditorUtil.getUndoContext(), description, postOperationEnabled);
  68                                 EditorUtil.executeOperation(operation);
  69                         } catch (NotDefinedException e) {
  70                                 EditorUtil.warn(getClass(), "Command name not set.");
  71                         }
  72                 }
  73
  74                 return null;
  75         }
  76
  77 }