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
.featuretree
;
13 import java
.util
.Collection
;
15 import org
.eclipse
.core
.runtime
.IStatus
;
16 import org
.eclipse
.jface
.viewers
.ISelectionChangedListener
;
17 import org
.eclipse
.jface
.viewers
.IStructuredSelection
;
18 import org
.eclipse
.jface
.viewers
.SelectionChangedEvent
;
19 import org
.eclipse
.jface
.viewers
.TreeViewer
;
20 import org
.eclipse
.jface
.viewers
.Viewer
;
21 import org
.eclipse
.jface
.viewers
.ViewerDropAdapter
;
22 import org
.eclipse
.jface
.wizard
.WizardDialog
;
23 import org
.eclipse
.jface
.wizard
.WizardPage
;
24 import org
.eclipse
.swt
.SWT
;
25 import org
.eclipse
.swt
.dnd
.DND
;
26 import org
.eclipse
.swt
.dnd
.DragSourceAdapter
;
27 import org
.eclipse
.swt
.dnd
.DragSourceEvent
;
28 import org
.eclipse
.swt
.dnd
.Transfer
;
29 import org
.eclipse
.swt
.dnd
.TransferData
;
30 import org
.eclipse
.swt
.events
.ModifyEvent
;
31 import org
.eclipse
.swt
.events
.ModifyListener
;
32 import org
.eclipse
.swt
.events
.SelectionAdapter
;
33 import org
.eclipse
.swt
.events
.SelectionEvent
;
34 import org
.eclipse
.swt
.layout
.GridData
;
35 import org
.eclipse
.swt
.layout
.GridLayout
;
36 import org
.eclipse
.swt
.widgets
.Button
;
37 import org
.eclipse
.swt
.widgets
.Composite
;
38 import org
.eclipse
.swt
.widgets
.Label
;
39 import org
.eclipse
.swt
.widgets
.Text
;
40 import org
.hibernate
.proxy
.HibernateProxy
;
42 import eu
.etaxonomy
.cdm
.api
.service
.IFeatureNodeService
;
43 import eu
.etaxonomy
.cdm
.api
.service
.config
.FeatureNodeDeletionConfigurator
;
44 import eu
.etaxonomy
.cdm
.hibernate
.HibernateProxyHelper
;
45 import eu
.etaxonomy
.cdm
.model
.description
.Feature
;
46 import eu
.etaxonomy
.cdm
.model
.description
.FeatureNode
;
47 import eu
.etaxonomy
.cdm
.model
.description
.FeatureTree
;
48 import eu
.etaxonomy
.taxeditor
.model
.MessagingUtils
;
49 import eu
.etaxonomy
.taxeditor
.store
.CdmStore
;
53 * EditFeatureTreeWizardPage class.
57 * @created Aug 5, 2010
60 public class EditFeatureTreeWizardPage
extends WizardPage
implements
61 ModifyListener
, ISelectionChangedListener
{
63 private TreeViewer viewer
;
64 private Label label_title
;
65 private Text text_title
;
66 private Button button_add
;
67 private Button button_remove
;
68 private Label label_treeInfo
;
69 private FeatureTree featureTree
;
73 * Constructor for EditFeatureTreeWizardPage.
77 * a {@link java.lang.String} object.
79 protected EditFeatureTreeWizardPage(String pageName
) {
81 setMessage("Edit the Feature Tree.");
88 * org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets
93 public void createControl(Composite parent
) {
94 Composite composite
= new Composite(parent
, SWT
.NULL
);
95 composite
.setLayoutData(new GridData(SWT
.FILL
, SWT
.FILL
, true, true));
96 composite
.setLayout(new GridLayout());
98 Composite composite_treeTitle
= new Composite(composite
, SWT
.NULL
);
99 composite_treeTitle
.setLayoutData(new GridData(SWT
.FILL
, SWT
.TOP
, true,
101 composite_treeTitle
.setLayout(new GridLayout(2, false));
103 label_title
= new Label(composite_treeTitle
, SWT
.NULL
);
104 label_title
.setText("Title");
106 text_title
= new Text(composite_treeTitle
, SWT
.NULL
);
107 text_title
.setLayoutData(new GridData(SWT
.FILL
, SWT
.TOP
, true, false));
109 Composite composite_treeContent
= new Composite(composite
, SWT
.NULL
);
110 composite_treeContent
.setLayoutData(new GridData(SWT
.FILL
, SWT
.FILL
,
112 composite_treeContent
.setLayout(new GridLayout(2, false));
114 viewer
= new TreeViewer(composite_treeContent
);
115 viewer
.getControl().setLayoutData(
116 new GridData(SWT
.FILL
, SWT
.FILL
, true, true));
118 Composite composite_buttons
= new Composite(composite_treeContent
,
120 composite_buttons
.setLayoutData(new GridData(SWT
.LEFT
, SWT
.TOP
, false,
122 composite_buttons
.setLayout(new GridLayout());
124 button_add
= new Button(composite_buttons
, SWT
.PUSH
);
125 button_add
.setText("Add");
126 button_add
.setToolTipText("Add a feature to this feature treee.");
127 button_remove
= new Button(composite_buttons
, SWT
.PUSH
);
128 button_remove
.setText("Remove");
130 .setToolTipText("Remove a feature from this feature tree.");
132 label_treeInfo
= new Label(composite
, SWT
.NULL
);
134 .setText("Order and nesting of feature nodes may be changed through drag and drop.");
136 viewer
.setContentProvider(new FeatureTreeContentProvider());
137 viewer
.setLabelProvider(new FeatureTreeLabelProvider());
139 int ops
= DND
.DROP_COPY
| DND
.DROP_MOVE
;
140 Transfer
[] transfers
= new Transfer
[] { FeatureNodeTransfer
142 viewer
.addDragSupport(ops
, transfers
, new FeatureNodeDragListener(
144 viewer
.addDropSupport(ops
, transfers
,
145 new FeatureNodeDropAdapter(viewer
));
147 viewer
.addSelectionChangedListener(this);
149 button_add
.addSelectionListener(new AddButtonListener());
150 button_remove
.addSelectionListener(new RemoveSelectionListener());
152 setControl(composite
);
161 * a {@link eu.etaxonomy.cdm.model.description.FeatureTree}
164 public void setSelectedTree(FeatureTree featureTree
) {
165 this.featureTree
= HibernateProxyHelper
.deproxy(featureTree
, FeatureTree
.class);
166 this.featureTree
.setRoot(HibernateProxyHelper
.deproxy(featureTree
.getRoot(), FeatureNode
.class));
167 viewer
.setInput(featureTree
);
169 text_title
.removeModifyListener(this);
170 if (featureTree
!= null){
171 text_title
.setText(featureTree
.getTitleCache());
173 text_title
.addModifyListener(this);
178 public void modifyText(ModifyEvent e
) {
179 featureTree
.setTitleCache(text_title
.getText(), true);
184 public void selectionChanged(SelectionChangedEvent event
) {
185 IStructuredSelection selection
= (IStructuredSelection
) event
188 button_add
.setEnabled(selection
.size() <= 1);
189 button_remove
.setEnabled(selection
.size() > 0);
192 private class AddButtonListener
extends SelectionAdapter
{
194 public void widgetSelected(SelectionEvent e
) {
195 AvailableFeaturesWizard wizard
= new AvailableFeaturesWizard(
197 WizardDialog dialog
= new WizardDialog(getShell(), wizard
);
199 if (dialog
.open() == IStatus
.OK
) {
200 IStructuredSelection selection
= (IStructuredSelection
) viewer
202 FeatureNode parent
= (FeatureNode
) (selection
.getFirstElement() != null ? selection
203 .getFirstElement() : ((FeatureTree
) viewer
.getInput())
205 Collection
<Feature
> additionalFeatures
= wizard
206 .getAdditionalFeatures();
207 for (Feature feature
: additionalFeatures
) {
208 FeatureNode child
= FeatureNode
.NewInstance(feature
);
209 if(CdmStore
.getCurrentSessionManager().isRemoting()) {
210 CdmStore
.getService(IFeatureNodeService
.class).merge(child
, true);
212 CdmStore
.getService(IFeatureNodeService
.class).saveOrUpdate(child
);
214 parent
.addChild(child
);
221 private class RemoveSelectionListener
extends SelectionAdapter
{
223 public void widgetSelected(SelectionEvent e
) {
224 IStructuredSelection selection
= (IStructuredSelection
) viewer
227 for (Object selectedObject
: selection
.toArray()) {
228 FeatureNode featureNode
= (FeatureNode
) selectedObject
;
229 FeatureNode parent
= featureNode
.getParent();
230 parent
.removeChild(featureNode
);
232 CdmStore
.getService(IFeatureNodeService
.class).deleteFeatureNode(featureNode
.getUuid(), new FeatureNodeDeletionConfigurator());
239 private class FeatureNodeDragListener
extends DragSourceAdapter
{
241 private final TreeViewer viewer
;
243 public FeatureNodeDragListener(TreeViewer viewer
) {
244 this.viewer
= viewer
;
248 * Method declared on DragSourceListener
251 public void dragFinished(DragSourceEvent event
) {
255 // if the featureNode was moved, remove it from the source viewer
256 if (event
.detail
== DND
.DROP_MOVE
) {
257 IStructuredSelection selection
= (IStructuredSelection
) viewer
264 * Method declared on DragSourceListener
267 public void dragSetData(DragSourceEvent event
) {
268 IStructuredSelection selection
= (IStructuredSelection
) viewer
270 FeatureNode
[] featureNodes
= (FeatureNode
[]) selection
.toList()
271 .toArray(new FeatureNode
[selection
.size()]);
272 if (FeatureNodeTransfer
.getInstance().isSupportedType(
274 event
.data
= featureNodes
;
279 * Method declared on DragSourceListener
282 public void dragStart(DragSourceEvent event
) {
283 event
.doit
= !viewer
.getSelection().isEmpty();
288 private class FeatureNodeDropAdapter
extends ViewerDropAdapter
{
290 protected FeatureNodeDropAdapter(Viewer viewer
) {
295 public boolean performDrop(Object data
) {
296 FeatureNode target
= (FeatureNode
) getCurrentTarget();
299 if (target
!= null) {
300 int location
= getCurrentLocation();
301 FeatureNode parent
= target
.getParent();
302 if (location
== LOCATION_BEFORE
) {
303 position
= Math
.max(0, parent
.getIndex(target
) - 1);
307 if (location
== LOCATION_AFTER
) {
308 position
= parent
.getIndex(target
);
313 // set target to root node if there is no target specified
314 if (target
== null) {
315 FeatureTree featureTree
= (FeatureTree
) getViewer().getInput();
316 target
= featureTree
.getRoot();
319 Object
[] droppedObjects
= (Object
[]) data
;
320 TreeViewer viewer
= (TreeViewer
) getViewer();
322 // cannot drop a feature node onto itself
323 for (Object droppedObject
: droppedObjects
) {
324 if (droppedObject
== null) {
325 MessagingUtils
.warningDialog(
326 "Operation not supported yet",
328 "We are currently unable to change the order of freshly created "
329 + "feature trees nodes. Please close and reopen the dialog to change the order of features.");
332 if (droppedObject
.equals(target
)) {
336 for (Object droppedObject
: droppedObjects
) {
337 FeatureNode droppedNode
= (FeatureNode
) droppedObject
;
338 target
.addChild(droppedNode
, position
);
339 viewer
.add(target
, droppedNode
);
340 viewer
.reveal(droppedNode
);
346 public boolean validateDrop(Object target
, int operation
,
347 TransferData transferData
) {
348 return FeatureNodeTransfer
.getInstance().isSupportedType(