List of usage examples for org.eclipse.jface.viewers TreeViewer getSelection
@Override
public ISelection getSelection()
AbstractTreeViewer implementation of this method returns the result as an ITreeSelection. From source file:org.eclipse.mylyn.internal.java.PackageExplorerManager.java
License:Open Source License
public void selectionChanged(IWorkbenchPart part, ISelection changedSelection) { if (!(part instanceof PackageExplorerPart)) { return;/*from ww w .ja v a2 s .co m*/ } AbstractFocusViewAction applyAction = AbstractFocusViewAction.getActionForPart((PackageExplorerPart) part); if (!ContextCorePlugin.getContextManager().isContextActive() || (applyAction != null && !applyAction.isChecked())) { return; } try { Object elementToSelect = null; if (changedSelection instanceof TextSelection && part instanceof JavaEditor) { TextSelection textSelection = (TextSelection) changedSelection; IJavaElement javaElement = SelectionConverter.resolveEnclosingElement((JavaEditor) part, textSelection); if (javaElement != null) elementToSelect = javaElement; } else if (changedSelection instanceof TextSelection) { // if (part instanceof EditorPart) { // elementToSelect = ((EditorPart) part).getEditorInput().getAdapter(IResource.class); // } } else { return; } if (elementToSelect != null) { PackageExplorerPart packageExplorer = PackageExplorerPart.getFromActivePerspective(); if (packageExplorer != null) { TreeViewer viewer = packageExplorer.getTreeViewer(); StructuredSelection currentSelection = (StructuredSelection) viewer.getSelection(); if (currentSelection.size() <= 1) { boolean membersFilteredMode = false; for (ViewerFilter filter : Arrays.asList(viewer.getFilters())) { if (filter instanceof JavaDeclarationsFilter) membersFilteredMode = true; } if (membersFilteredMode) { if (elementToSelect instanceof IMember) { ICompilationUnit toSelect = ((IMember) elementToSelect).getCompilationUnit(); if (toSelect != null) { viewer.setSelection(new StructuredSelection(toSelect), true); } } } else if (elementToSelect != null) { if (!elementToSelect.equals(currentSelection.getFirstElement())) { viewer.setSelection(new StructuredSelection(elementToSelect), true); } } } // if (elementToSelect != null // && MylarJavaPlugin.getDefault().getPluginPreferences().getBoolean( // MylarJavaPrefConstants.PACKAGE_EXPLORER_AUTO_EXPAND)) { // viewer.expandAll(); // } } } } catch (Throwable t) { MylarStatusHandler.log(t, "Could not update package explorer"); } }
From source file:org.eclipse.mylyn.internal.sandbox.ui.planner.TaskActivityEditorPart.java
License:Open Source License
private void fillContextMenu(TreeViewer viewer, IMenuManager manager) { if (!viewer.getSelection().isEmpty()) { manager.add(new OpenTaskEditorAction(viewer)); manager.add(new RemoveTaskAction(viewer)); manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); } else {/* ww w .j a v a 2s . c o m*/ manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); } }
From source file:org.eclipse.mylyn.internal.tasks.ui.util.TasksUiInternal.java
License:Open Source License
public static void preservingSelection(final TreeViewer viewer, Runnable runnable) { final ISelection selection = viewer.getSelection(); runnable.run();//from w ww. jav a 2 s. c o m if (selection != null) { ISelection newSelection = viewer.getSelection(); if ((newSelection == null || newSelection.isEmpty()) && !(selection == null || selection.isEmpty())) { // delay execution to ensure that any delayed tree updates such as expand all have been processed and the selection is revealed properly Display.getDefault().asyncExec(new Runnable() { public void run() { viewer.setSelection(selection, true); } }); } else if (newSelection instanceof ITreeSelection && !newSelection.isEmpty()) { viewer.reveal(((ITreeSelection) newSelection).getFirstElement()); } } }
From source file:org.eclipse.nebula.treemapper.TreeMapper.java
License:Open Source License
/** * @param sourceTreeViewer// w w w . ja v a 2s . co m * @param targetTreeViewer * @param direction */ private void bindTreeForDND(final TreeViewer sourceTreeViewer, final TreeViewer targetTreeViewer, final int direction) { final LocalSelectionTransfer sourceTransfer = LocalSelectionTransfer.getTransfer(); final LocalSelectionTransfer targetTransfer = LocalSelectionTransfer.getTransfer(); sourceTreeViewer.addDragSupport(DND.DROP_LINK, new Transfer[] { sourceTransfer }, new TreeDragSourceEffect(sourceTreeViewer.getTree()) { @Override public void dragStart(DragSourceEvent event) { event.doit = !sourceTreeViewer.getSelection().isEmpty(); } }); targetTreeViewer.addDropSupport(DND.DROP_LINK, new Transfer[] { targetTransfer }, new TreeDropTargetEffect(targetTreeViewer.getTree()) { @Override public void dragEnter(DropTargetEvent event) { event.feedback = DND.FEEDBACK_EXPAND | DND.FEEDBACK_SCROLL | DND.FEEDBACK_SELECT; event.detail = DND.DROP_LINK; super.dragEnter(event); } @Override public void drop(DropTargetEvent event) { performMappingByDrop(sourceTreeViewer, sourceTreeViewer.getSelection(), targetTreeViewer, (TreeItem) getItem(event.x, event.y), direction); } }); }
From source file:org.eclipse.oomph.setup.ui.actions.AbstractContainerAction.java
License:Open Source License
protected final void expandItem(final EObject object) { if (selectionProvider instanceof IViewerProvider) { IViewerProvider viewerProvider = (IViewerProvider) selectionProvider; final Viewer viewer = viewerProvider.getViewer(); if (viewer instanceof TreeViewer) { UIUtil.getDisplay().asyncExec(new Runnable() { public void run() { TreeViewer treeViewer = (TreeViewer) viewer; expand(treeViewer, object); IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection(); @SuppressWarnings("unchecked") List<Object> list = selection.toList(); list = new ArrayList<Object>(list); list.add(object);//ww w.j a v a 2 s . c o m treeViewer.setSelection(new StructuredSelection(list)); } private void expand(TreeViewer treeViewer, EObject object) { treeViewer.setExpandedState(object, true); EObject eContainer = object.eContainer(); if (eContainer != null) { expand(treeViewer, eContainer); } } }); } } }
From source file:org.eclipse.oomph.setup.ui.wizards.ConfirmationPage.java
License:Open Source License
private void connectMasterDetail(final TreeViewer master, final Viewer detail) { master.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { if (detail != null) { Object selection = ((IStructuredSelection) master.getSelection()).getFirstElement(); Control control = detail.getControl(); try { control.setRedraw(false); detail.setInput(selection); columnResizer.controlResized(null); } finally { control.setRedraw(true); }/*from w ww. j av a2 s.com*/ } } }); }
From source file:org.eclipse.osee.framework.ui.swt.TreeViewerUtility.java
License:Open Source License
@SuppressWarnings("unchecked") private static <A extends Object> void populateSelectionHash(TreeViewer tree, Map<A, Object> selectionHash) { Iterator<?> iterator = ((IStructuredSelection) tree.getSelection()).iterator(); while (iterator.hasNext()) { selectionHash.put((A) iterator.next(), dummy); }//ww w . ja v a 2s. c o m }
From source file:org.eclipse.papyrus.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action done when the add button is pressed * // w ww. j a v a2s.c om * @param tree * */ protected void performAddButtonPressed(TreeViewer tree) { TreeSelection selection = (TreeSelection) tree.getSelection(); Object selectedElement = selection.getFirstElement(); if (selection != null && selection.size() == 1 && !(selectedElement instanceof StereotypeRepresentation)) { if (selectedElement instanceof PropertyRepresentation) { //We want add a value to a multi-valued property or edit a value to a mono-valued property PropertyRepresentation prop = (PropertyRepresentation) selectedElement; if (prop.getUpperMultiplicity() != 1) { editMe(prop, null);//we add a value } else if (!prop.getValues().isEmpty()) { //mono-valued property and the valu exists editMe(prop, prop.getValues().get(0)); } else {//monovalued property, the value doesn't exist editMe(prop, null); } tree.refresh(selectedElement); } return; } // pops-up a dialog window where users can select the additionnal stereotypes to apply // it needs the metaclass information... // for this, entry Proxy should be a Palette entry proxy if (!(entryProxy instanceof IPaletteAspectToolEntryProxy)) { return; } PaletteEntry entry = ((IPaletteAspectToolEntryProxy) entryProxy).getEntry(); if (!(entry instanceof ToolEntry)) { return; } // this is a PaletteAspectToolEntryProxy // try to find the metaclass on which the element is working EClass metaClass = PaletteUtil.getToolMetaclass((ToolEntry) entry); if (metaClass == null) { Activator.log.error("Impossible to find metaclass", null); //$NON-NLS-1$ return; } // retrieve the original stereotype list from the qualified names List<Stereotype> stereotypeList = config.getUMLStereotypes();//retrieveStereotypesFromQualifiedNames(); // we have all applied profiles, the list of already applied stereotypes, the metaclass of the created element... // just have to open a selection dialog final CheckedTreeSelectionDialog selectionDialog = new CheckedTreeSelectionDialog( DisplayUtils.getDisplay().getActiveShell(), editorLabelProvider, new ProfileContentProvider(metaClass)); selectionDialog.setTitle(Messages.StereotypePostAction_StereotypeSelectionTitle); selectionDialog.setMessage(Messages.StereotypePostAction_StereotypeSelectionMessage); selectionDialog.setContainerMode(true); selectionDialog.setInitialElementSelections(stereotypeList); selectionDialog.setInput(config.getAppliedProfiles()); selectionDialog.setExpandedElements(config.getAppliedProfiles().toArray()); ViewerComparator comparator = new ViewerComparator(); selectionDialog.setComparator(comparator); if (CheckedTreeSelectionDialog.OK == selectionDialog.open()) { // update the list of stereotype to apply Object[] result = selectionDialog.getResult(); ArrayList<String> stereotypesToApply = new ArrayList<String>(); for (int i = 0; i < result.length; i++) { if (result[i] instanceof Stereotype) { stereotypesToApply.add(((Stereotype) result[i]).getQualifiedName()); } } config.setStereotypesRepresentations(stereotypesToApply); //it's not possible to use refresh or update here! updateStereotypeViewer(); } }
From source file:org.eclipse.papyrus.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action done when the remove button is pressed * //from w w w . ja v a2 s. c o m * @param viewer * the viewer on which the remove action is applied */ protected void performRemoveAction(TreeViewer viewer) { ITreeSelection selection = (ITreeSelection) viewer.getSelection(); if (selection != null) { List<?> selectedElements = ((TreeSelection) selection).toList(); if (sameLevelForFullSelection(selection)) { //all the element have the same type if (selection.getFirstElement() instanceof StereotypeRepresentation) { for (Object object : selectedElements) { if (object instanceof StereotypeRepresentation) { config.removeStereotype((StereotypeRepresentation) object); } } } else if (selection.getFirstElement() instanceof PropertyRepresentation) { //we delete the value for mono-valued property for (Object object : selectedElements) { if (object instanceof PropertyRepresentation) { if (!((PropertyRepresentation) object).getUMLProperty().isMultivalued()) { ((PropertyRepresentation) object).getValues().remove(0); } } } } else if (selection.getFirstElement() instanceof Value) { //we remove value from a multivalued property for (Object object : selectedElements) { if (object instanceof Value) { ((Value) object).getPropertyRepresentation().removeValue((Value) object); } } } viewer.refresh(); } } }
From source file:org.eclipse.papyrus.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action to do when the F2 key is pressed * <ul>/*from w w w . jav a2 s.c o m*/ * <li>open a CellEditor for the PrimitiveType and DataType</li> * <li>open a popup editor for others types</li> * </ul> * * @param viewer * the viewer on which the F2 action is applied */ protected void performF2Action(TreeViewer viewer) { TreeSelection selection = (TreeSelection) viewer.getSelection(); if ((selection != null) && (selection.size() == 1)) { Object objectToEdit = selection.getFirstElement(); if (objectToEdit instanceof PropertyRepresentation) { Property prop = ((PropertyRepresentation) objectToEdit).getUMLProperty(); if (prop.isMultivalued() == false) { if ((prop.getType() instanceof PrimitiveType) || (prop.getType() instanceof DataType)) { viewer.editElement(prop, 0); } else { //TODO } } } else if (objectToEdit instanceof Value) { PropertyRepresentation propRep = ((Value) objectToEdit).getPropertyRepresentation(); Type type = propRep.getType(); if (type != null) { if (type instanceof PrimitiveType || type instanceof DataType) { viewer.editElement(objectToEdit, 0); //the refresh is do by the cellEditor! (if the resfresh is do here, there is a bug!) //viewer.refresh(property); } else {//popupEditor editMe(propRep, (Value) objectToEdit); viewer.refresh(propRep); } } } } }