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
.key
.polytomous
.handler
;
13 import org
.eclipse
.core
.commands
.AbstractHandler
;
14 import org
.eclipse
.core
.commands
.ExecutionEvent
;
15 import org
.eclipse
.core
.commands
.ExecutionException
;
16 import org
.eclipse
.core
.commands
.common
.NotDefinedException
;
17 import org
.eclipse
.core
.commands
.operations
.IUndoContext
;
18 import org
.eclipse
.jface
.dialogs
.MessageDialog
;
19 import org
.eclipse
.jface
.viewers
.IStructuredSelection
;
20 import org
.eclipse
.ui
.IEditorPart
;
21 import org
.eclipse
.ui
.handlers
.HandlerUtil
;
23 import eu
.etaxonomy
.cdm
.model
.description
.PolytomousKeyNode
;
24 import eu
.etaxonomy
.taxeditor
.editor
.EditorUtil
;
25 import eu
.etaxonomy
.taxeditor
.editor
.key
.KeyEditor
;
26 import eu
.etaxonomy
.taxeditor
.editor
.key
.polytomous
.IPolytomousKeyEditorPage
;
27 import eu
.etaxonomy
.taxeditor
.editor
.key
.polytomous
.operation
.DeleteNodeOperation
;
28 import eu
.etaxonomy
.taxeditor
.operation
.AbstractPostOperation
;
32 * @created Dec 6, 2010
35 public class DeleteNodeHandler
extends AbstractHandler
{
41 * org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.
45 public Object
execute(ExecutionEvent event
) throws ExecutionException
{
46 IEditorPart editor
= HandlerUtil
.getActiveEditor(event
);
48 if (editor
instanceof KeyEditor
) {
49 IPolytomousKeyEditorPage editorPage
= (IPolytomousKeyEditorPage
) ((KeyEditor
) editor
)
52 IStructuredSelection selection
= (IStructuredSelection
) HandlerUtil
53 .getCurrentSelection(event
);
55 if (selection
.getFirstElement() instanceof PolytomousKeyNode
) {
57 String label
= event
.getCommand().getName();
58 IUndoContext undoContext
= EditorUtil
.getUndoContext();
60 for (Object element
: selection
.toArray()) {
61 PolytomousKeyNode keyNode
= (PolytomousKeyNode
) element
;
63 AbstractPostOperation operation
= new DeleteNodeOperation(
64 label
, undoContext
, keyNode
, editorPage
);
65 EditorUtil
.executeOperation(operation
);
68 } catch (NotDefinedException e
) {
69 EditorUtil
.warn(getClass(), "Command name not set.");
72 MessageDialog
.openInformation(
73 EditorUtil
.getShell(),
74 "No Key Node Selected",
75 "Please right-click on a specific key node to delete a key node.");