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
.api
.application
.ICdmApplicationConfiguration
;
24 import eu
.etaxonomy
.cdm
.api
.service
.IPolytomousKeyNodeService
;
25 import eu
.etaxonomy
.cdm
.hibernate
.HibernateProxyHelper
;
26 import eu
.etaxonomy
.cdm
.model
.description
.PolytomousKeyNode
;
27 import eu
.etaxonomy
.taxeditor
.editor
.EditorUtil
;
28 import eu
.etaxonomy
.taxeditor
.editor
.key
.KeyEditor
;
29 import eu
.etaxonomy
.taxeditor
.editor
.key
.polytomous
.IPolytomousKeyEditorPage
;
30 import eu
.etaxonomy
.taxeditor
.editor
.key
.polytomous
.operation
.DeleteNodeOperation
;
31 import eu
.etaxonomy
.taxeditor
.model
.MessagingUtils
;
32 import eu
.etaxonomy
.taxeditor
.operation
.AbstractPostOperation
;
33 import eu
.etaxonomy
.taxeditor
.store
.CdmStore
;
37 * @created Dec 6, 2010
40 public class DeleteNodeHandler
extends AbstractHandler
{
46 * org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.
50 public Object
execute(ExecutionEvent event
) throws ExecutionException
{
51 IEditorPart editor
= HandlerUtil
.getActiveEditor(event
);
53 if (editor
.isDirty()){
54 boolean proceed
= MessageDialog
.openQuestion(null,
55 "Save changes", "You have made changes that must be saved before you can delete the node. Would you like to proceed?");
59 editor
.doSave(EditorUtil
.getMonitor());
62 if (editor
instanceof KeyEditor
) {
63 IPolytomousKeyEditorPage editorPage
= (IPolytomousKeyEditorPage
) ((KeyEditor
) editor
)
66 IStructuredSelection selection
= (IStructuredSelection
) HandlerUtil
67 .getCurrentSelection(event
);
69 if (selection
.getFirstElement() instanceof PolytomousKeyNode
) {
71 String label
= event
.getCommand().getName();
72 IUndoContext undoContext
= EditorUtil
.getUndoContext();
74 for (Object element
: selection
.toArray()) {
75 PolytomousKeyNode keyNode
= HibernateProxyHelper
.deproxy(element
, PolytomousKeyNode
.class);
77 AbstractPostOperation operation
= new DeleteNodeOperation(
78 label
, undoContext
, keyNode
, editorPage
);
79 EditorUtil
.executeOperation(operation
);
82 } catch (NotDefinedException e
) {
83 MessagingUtils
.warn(getClass(), "Command name not set.");
86 MessageDialog
.openInformation(
87 EditorUtil
.getShell(),
88 "No Key Node Selected",
89 "Please right-click on a specific key node to delete a key node.");