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
.view
;
13 import org
.eclipse
.jface
.viewers
.ISelection
;
14 import org
.eclipse
.jface
.viewers
.IStructuredSelection
;
15 import org
.eclipse
.jface
.viewers
.StructuredSelection
;
16 import org
.eclipse
.jface
.viewers
.Viewer
;
17 import org
.eclipse
.swt
.SWT
;
18 import org
.eclipse
.swt
.custom
.SashForm
;
19 import org
.eclipse
.swt
.widgets
.Composite
;
20 import org
.eclipse
.swt
.widgets
.Label
;
21 import org
.eclipse
.ui
.ISelectionListener
;
22 import org
.eclipse
.ui
.ISelectionService
;
23 import org
.eclipse
.ui
.IWorkbenchPart
;
24 import org
.eclipse
.ui
.part
.PageBook
;
25 import org
.eclipse
.ui
.part
.ViewPart
;
27 import eu
.etaxonomy
.cdm
.api
.conversation
.ConversationHolder
;
28 import eu
.etaxonomy
.cdm
.api
.conversation
.IConversationEnabled
;
29 import eu
.etaxonomy
.cdm
.model
.common
.CdmBase
;
30 import eu
.etaxonomy
.cdm
.persistence
.hibernate
.CdmDataChangeMap
;
31 import eu
.etaxonomy
.taxeditor
.model
.AbstractUtility
;
32 import eu
.etaxonomy
.taxeditor
.model
.IDirtyMarkableSelectionProvider
;
33 import eu
.etaxonomy
.taxeditor
.operation
.IPostOperationEnabled
;
36 * <p>Abstract AbstractCdmViewPart class.</p>
39 * @created Jun 15, 2010
42 public abstract class AbstractCdmViewPart
extends ViewPart
implements ISelectionListener
, IPostOperationEnabled
, IConversationEnabled
, IDirtyMarkableSelectionProvider
{
44 protected ISelectionService selectionService
;
46 public static IStructuredSelection EMPTY_SELECTION
= new StructuredSelection();
48 protected IWorkbenchPart part
;
50 private PageBook pageBook
;
52 private Label emptySelectionLabel
;
54 private Composite viewerComposite
;
58 public void createPartControl(Composite parent
) {
59 selectionService
= getSite().getWorkbenchWindow().getSelectionService();
60 selectionService
.addSelectionListener(this);
62 pageBook
= new PageBook(parent
, SWT
.NULL
);
63 //create viewerComposite
64 viewerComposite
= new SashForm(pageBook
, SWT
.HORIZONTAL
);
65 createViewer(viewerComposite
);
67 // Page 2: Nothing selected
68 emptySelectionLabel
= new Label(pageBook
, SWT
.TOP
+ SWT
.LEFT
+ SWT
.WRAP
);
70 setInitialSelection();
76 private void setInitialSelection() {
77 selectionChanged(AbstractUtility
.getActivePart(), getInitialSelection());
81 * <p>getInitialSelection</p>
83 * @return a {@link org.eclipse.jface.viewers.ISelection} object.
85 protected ISelection
getInitialSelection() {
86 return selectionService
.getSelection();
90 * <p>showEmptyPage</p>
92 public void showEmptyPage(){
93 pageBook
.showPage(emptySelectionLabel
);
99 * @param part a {@link org.eclipse.ui.IWorkbenchPart} object.
100 * @param selection a {@link org.eclipse.jface.viewers.ISelection} object.
102 public void showViewer(IWorkbenchPart part
, IStructuredSelection selection
){
105 Object element
= selection
.getFirstElement();
107 getViewer().setInput(element
);
115 * @return a {@link org.eclipse.jface.viewers.Viewer} object.
117 public abstract Viewer
getViewer();
122 public void showViewer(){
123 pageBook
.showPage(viewerComposite
);
126 public void setEnabled(boolean enabled
){
127 pageBook
.setEnabled(enabled
);
132 public void setFocus() {
133 if(getConversationHolder() != null){
134 getConversationHolder().bind();
136 getViewer().getControl().setFocus();
140 * <p>createViewer</p>
142 * @param parent a {@link org.eclipse.swt.widgets.Composite} object.
144 public abstract void createViewer(Composite parent
);
148 public boolean postOperation(CdmBase objectAffectedByOperation
) {
149 changed(objectAffectedByOperation
);
155 public abstract void changed(Object object
);
158 * <p>getConversationHolder</p>
160 * @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder} object.
163 public ConversationHolder
getConversationHolder() {
165 //FIXME what if part is not an IConversationEnabled? ClassCastException?
166 return ((IConversationEnabled
) part
).getConversationHolder();
174 public void update(CdmDataChangeMap changeEvents
) {
180 public void dispose() {
181 selectionService
.removeSelectionListener(this);