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.model.MessagingUtils;
  22 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  23 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  24
  25 /**
  26  * <p>CreateMediaHandler class.</p>
  27  *
  28  * @author p.ciardelli
  29  * @version $Id: $
  30  */
  31 public class CreateMediaHandler extends AbstractHandler {
  32
  33         /* (non-Javadoc)
  34          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  35          */
  36         /** {@inheritDoc} */
  37         public Object execute(ExecutionEvent event) throws ExecutionException {
  38                 IWorkbenchPart part = HandlerUtil.getActivePart(event);
  39                 IPostOperationEnabled postOperationEnabled = (part instanceof IPostOperationEnabled) ? (IPostOperationEnabled) part : null;
  40
  41
  42                 DescriptionBase description = null;
  43
  44                 IEditorPart editor = HandlerUtil.getActiveEditor(event);
  45                 if (editor instanceof FormEditor) {
  46                         editor = ((FormEditor) editor).getActiveEditor();
  47                 }
  48
  49                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  50                 if (selection instanceof TreeSelection) {
  51                         TreePath[] paths = ((TreeSelection) selection).getPaths();
  52
  53                         int count = paths[0].getSegmentCount();
  54
  55                         for (int i = 0; i < count; i++ ) {
  56                                 if (paths[0].getSegment(i) instanceof DescriptionBase) {
  57                                         description = (DescriptionBase) paths[0].getSegment(i);
  58                                         break;
  59                                 }
  60                         }
  61                 }
  62
  63                 if(description != null){
  64                         AbstractPostOperation operation = null;
  65                         try {
  66                                 // TODO use undo context specific to editor
  67                                 operation = new AddMediaToImageGalleryOperation(event.getCommand().getName(),
  68                                                 EditorUtil.getUndoContext(), description, postOperationEnabled);
  69                                 EditorUtil.executeOperation(operation);
  70                         } catch (NotDefinedException e) {
  71                                 MessagingUtils.warn(getClass(), "Command name not set.");
  72                         }
  73                 }
  74
  75                 return null;
  76         }
  77
  78 }