3 * Copyright (C) 2007 EDIT
4 * European Distributed Institute of Taxonomy
5 * http://www.e-taxonomy.eu
7 * The contents of this file are subject to the Mozilla Public License Version 1.1
8 * See LICENSE.TXT at the top of this package for the full license terms.
11 package eu
.etaxonomy
.taxeditor
.editor
.view
.descriptive
.handler
;
13 import java
.util
.ArrayList
;
14 import java
.util
.List
;
16 import org
.eclipse
.core
.commands
.AbstractHandler
;
17 import org
.eclipse
.core
.commands
.ExecutionEvent
;
18 import org
.eclipse
.core
.commands
.ExecutionException
;
19 import org
.eclipse
.core
.commands
.common
.NotDefinedException
;
20 import org
.eclipse
.core
.commands
.operations
.IUndoContext
;
21 import org
.eclipse
.jface
.viewers
.IStructuredSelection
;
22 import org
.eclipse
.jface
.viewers
.TreePath
;
23 import org
.eclipse
.jface
.viewers
.TreeSelection
;
24 import org
.eclipse
.ui
.IWorkbenchPart
;
25 import org
.eclipse
.ui
.handlers
.HandlerUtil
;
27 import eu
.etaxonomy
.cdm
.model
.description
.DescriptionElementBase
;
28 import eu
.etaxonomy
.cdm
.model
.description
.TaxonDescription
;
29 import eu
.etaxonomy
.cdm
.model
.media
.Media
;
30 import eu
.etaxonomy
.taxeditor
.editor
.EditorUtil
;
31 import eu
.etaxonomy
.taxeditor
.editor
.view
.descriptive
.operation
.DeleteDescriptionElementOperation
;
32 import eu
.etaxonomy
.taxeditor
.editor
.view
.descriptive
.operation
.DeleteTaxonDescriptionOperation
;
33 import eu
.etaxonomy
.taxeditor
.editor
.view
.media
.operation
.DeleteMediaOperation
;
34 import eu
.etaxonomy
.taxeditor
.model
.FeatureNodeContainer
;
35 import eu
.etaxonomy
.taxeditor
.operation
.AbstractPostTaxonOperation
;
36 import eu
.etaxonomy
.taxeditor
.operation
.AbstractPostOperation
;
37 import eu
.etaxonomy
.taxeditor
.operation
.IPostOperationEnabled
;
40 * <p>DeleteDescriptionHandler class.</p>
43 * @created Jun 22, 2010
46 public class DeleteHandler
extends AbstractHandler
{
49 * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
52 public Object
execute(ExecutionEvent event
) throws ExecutionException
{
53 IStructuredSelection selection
= (IStructuredSelection
) HandlerUtil
.getActiveSite(event
).getSelectionProvider().getSelection();
55 IWorkbenchPart part
= HandlerUtil
.getActivePart(event
);
56 IPostOperationEnabled postOperationEnabled
= (part
instanceof IPostOperationEnabled
) ?
(IPostOperationEnabled
) part
: null;
59 String label
= event
.getCommand().getName();
61 IUndoContext undoContext
= EditorUtil
.getUndoContext();
63 List
<AbstractPostTaxonOperation
> operations
= new ArrayList
<AbstractPostTaxonOperation
>();
65 for(Object object
: selection
.toArray()){
67 AbstractPostOperation operation
= null;
70 if(object
instanceof TaxonDescription
){
71 operations
.add(new DeleteTaxonDescriptionOperation(label
, undoContext
, (TaxonDescription
) object
, postOperationEnabled
));
73 // DescriptionElementBase
74 else if(object
instanceof DescriptionElementBase
){
75 operations
.add(new DeleteDescriptionElementOperation(label
, undoContext
, (DescriptionElementBase
) object
, postOperationEnabled
));
77 else if(object
instanceof FeatureNodeContainer
){
78 List
<DescriptionElementBase
> descriptions
= ((FeatureNodeContainer
) object
).getDescriptionElementsForEntireBranch();
80 for(DescriptionElementBase description
: descriptions
){
81 operations
.add(new DeleteDescriptionElementOperation(label
, undoContext
, description
, postOperationEnabled
));
85 else if(object
instanceof Media
){
86 TreeSelection treeSelection
= (TreeSelection
) selection
;
88 TreePath
[] path
= treeSelection
.getPathsFor(object
);
90 TaxonDescription imageGallery
= (TaxonDescription
) path
[0].getFirstSegment();
92 operations
.add(new DeleteMediaOperation(label
, undoContext
, imageGallery
, (Media
) object
, postOperationEnabled
));
95 EditorUtil
.error(getClass(), "Selection is not valid for this delete handler", null);
99 // execute all cumulated operations
100 for(AbstractPostOperation operation
: operations
){
101 EditorUtil
.executeOperation(operation
);
104 } catch (NotDefinedException e
) {
105 EditorUtil
.warn(getClass(), "Command name not set.");