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.papyrus.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action done when a DoubleClick is received by the tree * /*from w w w. j av a 2s . c o m*/ * @param viewer * the viewer on which the DoubleClick action is applied */ protected void performDoubleClickAction(TreeViewer viewer) { TreeSelection selection = (TreeSelection) viewer.getSelection(); if (selection != null && selection.size() == 1) { Object selectedObject = selection.getFirstElement(); if (selectedObject instanceof StereotypeRepresentation) { //we expand or collapse the node viewer.setExpandedState(selectedObject, !viewer.getExpandedState(selectedObject)); } else if (selectedObject instanceof PropertyRepresentation) { Property prop = ((PropertyRepresentation) selectedObject).getUMLProperty(); if (prop.isMultivalued()) { //we expand or collapse the node viewer.setExpandedState(selectedObject, !viewer.getExpandedState(selectedObject)); } else { //we edit a value if (((PropertyRepresentation) selectedObject).getValues().isEmpty()) { editMe((PropertyRepresentation) selectedObject, null); } else { editMe((PropertyRepresentation) selectedObject, ((PropertyRepresentation) selectedObject).getValues().get(0)); } viewer.update(selectedObject, null); } } else if (selectedObject instanceof Value) { editMe(((Value) selectedObject).getPropertyRepresentation(), (Value) selectedObject); viewer.refresh(selectedObject); } } }
From source file:org.eclipse.papyrus.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action done when the user does a CTRL^N on the tree * /*ww w.ja v a 2 s . co m*/ * @param e * the KeyEvent * @param viewer * the TreeViewer in which we add something */ protected void performCTRL_N_Action(KeyEvent e, TreeViewer viewer) { TreeSelection selection = (TreeSelection) viewer.getSelection(); if (selection != null && selection.size() == 1) { Object selectedObject = selection.getFirstElement(); if (selectedObject != null) { if (selectedObject instanceof PropertyRepresentation) { Property property = ((PropertyRepresentation) selectedObject).getUMLProperty(); if (property.isMultivalued()) { //can we add a new value? int upperMultiplicity = property.getUpper(); ArrayList<Value> values = ((PropertyRepresentation) selectedObject).getValues(); if (upperMultiplicity == -1 || values.size() < upperMultiplicity) { editMe((PropertyRepresentation) selectedObject, null); } else if (values.size() == 0) { editMe((PropertyRepresentation) selectedObject, null); } viewer.refresh(selectedObject); } } } } }
From source file:org.eclipse.papyrus.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * move the selected element in stereotypeViewer following shiftValue * /*from ww w .j a v a 2s. c om*/ * * * @param shiftValue * shiftValue can take the values : * <ul> * <li>{@link StereotypePostAction#MOVE_UP}</li> * <li>{@link StereotypePostAction#MOVE_DOWN}</li> * </ul> * @param viewer * the TreeViewer in which we move elements * */ protected void moveElement(String shiftValue, TreeViewer viewer) { TreeSelection selection = (TreeSelection) viewer.getSelection(); if (selection != null && selection.size() == 1) { Object selectedElement = selection.getFirstElement(); if (selectedElement instanceof Value) { /** it's a property value */ exchangeTwoValues(((Value) selectedElement).getPropertyRepresentation().getValues(), selectedElement, shiftValue); viewer.refresh(((Value) selectedElement).getPropertyRepresentation()); } else if (selectedElement instanceof StereotypeRepresentation) { /** it's a stereotype */ exchangeTwoValues(config.getStereotypesRepresentations(), selectedElement, shiftValue); viewer.refresh(); } } }
From source file:org.eclipse.papyrus.uml.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action done when the add button is pressed * // w ww. j a v a2 s. 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.uml.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action done when the remove button is pressed * /*from w w w. j a v a 2s . co 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.uml.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action to do when the F2 key is pressed * <ul>/*from w w w . j a v a 2s . 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); } } } } }
From source file:org.eclipse.papyrus.uml.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action done when a DoubleClick is received by the tree * /*from ww w . j a v a 2 s. co m*/ * @param viewer * the viewer on which the DoubleClick action is applied */ protected void performDoubleClickAction(TreeViewer viewer) { TreeSelection selection = (TreeSelection) viewer.getSelection(); if (selection != null && selection.size() == 1) { Object selectedObject = selection.getFirstElement(); if (selectedObject instanceof StereotypeRepresentation) { // we expand or collapse the node viewer.setExpandedState(selectedObject, !viewer.getExpandedState(selectedObject)); } else if (selectedObject instanceof PropertyRepresentation) { Property prop = ((PropertyRepresentation) selectedObject).getUMLProperty(); if (prop.isMultivalued()) { // we expand or collapse the node viewer.setExpandedState(selectedObject, !viewer.getExpandedState(selectedObject)); } else { // we edit a value if (((PropertyRepresentation) selectedObject).getValues().isEmpty()) { editMe((PropertyRepresentation) selectedObject, null); } else { editMe((PropertyRepresentation) selectedObject, ((PropertyRepresentation) selectedObject).getValues().get(0)); } viewer.update(selectedObject, null); } } else if (selectedObject instanceof Value) { editMe(((Value) selectedObject).getPropertyRepresentation(), (Value) selectedObject); viewer.refresh(selectedObject); } } }
From source file:org.eclipse.papyrus.uml.diagram.common.service.palette.StereotypePostAction.java
License:Open Source License
/** * Action done when the user does a CTRL^N on the tree * //from ww w . j a va2 s . co m * @param e * the KeyEvent * @param viewer * the TreeViewer in which we add something */ protected void performCTRL_N_Action(KeyEvent e, TreeViewer viewer) { TreeSelection selection = (TreeSelection) viewer.getSelection(); if (selection != null && selection.size() == 1) { Object selectedObject = selection.getFirstElement(); if (selectedObject != null) { if (selectedObject instanceof PropertyRepresentation) { Property property = ((PropertyRepresentation) selectedObject).getUMLProperty(); if (property.isMultivalued()) { // can we add a new value? int upperMultiplicity = property.getUpper(); ArrayList<Value> values = ((PropertyRepresentation) selectedObject).getValues(); if (upperMultiplicity == -1 || values.size() < upperMultiplicity) { editMe((PropertyRepresentation) selectedObject, null); } else if (values.size() == 0) { editMe((PropertyRepresentation) selectedObject, null); } viewer.refresh(selectedObject); } } } } }
From source file:org.eclipse.pde.emfforms.editor.actions.RemoveAction.java
License:Open Source License
/** * Find the next element to be selected in the tree once the delete operation has been performed * /*from w ww . j a va2s . c o m*/ * @param treeViewer The {@link TreeViewer} * @return the next {@link EObject} to be selected in the tree or <code>null</code> if none found. A possible reason to that last case is because there is no remaining element to select in the tree. */ protected EObject computeElementToSelectAfterDeletion(TreeViewer treeViewer) { EObject nextObjToSelect = null; // Iterate over all the selected element to be removed to define the new element to select in the tree after the delete operation is performed. List<EObject> selectedElements = (List<EObject>) ((StructuredSelection) treeViewer.getSelection()).toList(); for (EObject eltToRemove : selectedElements) { EObject containerElt = eltToRemove.eContainer(); EStructuralFeature eContainingFeature = eltToRemove.eContainingFeature(); // Retrieve all the siblings elements and try to select the nearest one Object featureValue = containerElt.eGet(eContainingFeature); if (featureValue instanceof List<?>) { List<EObject> siblingElts = (List<EObject>) featureValue; EObject candidateElt = getSelectableElement(selectedElements, siblingElts, eltToRemove); if (candidateElt != null) { return candidateElt; } } } return nextObjToSelect; }
From source file:org.eclipse.rcptt.ctx.filesystem.ui.FilesystemContextEditor.java
License:Open Source License
private void createTree(FormToolkit toolkit, Composite client) { final Tree tree = new Tree(client, SWT.BORDER | SWT.MULTI); GridDataFactory.fillDefaults().grab(true, true).span(1, 1).hint(100, 50).applyTo(tree); viewer = new TreeViewer(tree); viewer.setLabelProvider(new FilesystemContextLabelProvider()); viewer.setContentProvider(new FilesystemContextContentProvider()); viewer.setInput(getContextElement()); viewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { IStructuredSelection sel = (IStructuredSelection) viewer.getSelection(); Object[] res = sel.toArray(); FSResource[] resources = new FSResource[res.length]; for (int i = 0; i < res.length; i++) resources[i] = (FSResource) res[i]; setSelection(resources);//from w w w . j av a2 s. co m } }); viewer.addDoubleClickListener(new IDoubleClickListener() { /** * Opens file or expands/collapses folder. */ public void doubleClick(DoubleClickEvent event) { if (openFileAction.isEnabled()) { openFileAction.run(); } else { TreeViewer viewer = (TreeViewer) event.getViewer(); IStructuredSelection selection = (IStructuredSelection) event.getSelection(); Object selectedNode = selection.getFirstElement(); viewer.setExpandedState(selectedNode, !viewer.getExpandedState(selectedNode)); } } }); // Setups renaming TreeViewerEditor.create(viewer, new DefaultTreeViewerEditStrategy(viewer), ColumnViewerEditor.DEFAULT); viewer.setCellEditors(new CellEditor[] { new TextCellEditor(tree) }); viewer.setCellModifier(new ICellModifier() { public void modify(Object element, String property, Object value) { TreeItem item = (TreeItem) element; FSResource res = (FSResource) item.getData(); EObject parent = res.eContainer(); Set<String> allNames = getAllNames(parent); allNames.remove(res.getName()); String newValue = (String) value; if (allNames.contains(newValue)) { return; } if (newValue != null && !newValue.isEmpty() && !newValue.equals(res.getName())) { res.setName(newValue); } } public Object getValue(Object element, String property) { return ((FSResource) element).getName(); } public boolean canModify(Object element, String property) { return true; } }); viewer.setColumnProperties(new String[] { "" }); viewer.getControl().addKeyListener(new KeyListener() { public void keyReleased(KeyEvent e) { } public void keyPressed(KeyEvent e) { if ((SWT.DEL == e.character) && (0 == e.stateMask)) { if (removeAction.isEnabled()) { removeAction.run(); e.doit = false; } } } }); UIContentAdapter adapter = new UIContentAdapter() { @Override protected void changed(Notification notification) { if (viewer.getControl().isDisposed()) { return; } viewer.refresh(); } }; getContextElement().eAdapters().add(adapter); }