List of usage examples for org.eclipse.jface.viewers TreeViewer setSelection
@Override
protected void setSelection(List<Item> items)
From source file:org.eclipse.oomph.setup.doc.user.wizard.CaptureSetupWizard.java
License:Open Source License
protected void postProcessProductPage(WizardDialog wizardDialog) { getViewerControl(wizardDialog, "productViewer").setFocus(); ResourceSet resourceSet = getResourceSet(wizardDialog); ProductVersion luna = (ProductVersion) resourceSet.getEObject(URI.createURI( "index:/org.eclipse.setup#//@productCatalogs[name='org.eclipse.products']/@products[name='epp.package.standard']/@versions[name='luna']"), false);/* w w w .j a v a 2s. c o m*/ TreeViewer productViewer = getViewer(wizardDialog, "productViewer"); productViewer.setSelection(new StructuredSelection(luna.getProduct())); AccessUtil.busyWait(10); ComboViewer versionComboViewer = getViewer(wizardDialog, "versionComboViewer"); versionComboViewer.setSelection(new StructuredSelection(luna)); ComboViewer poolComboViewer = getViewer(wizardDialog, "poolComboViewer"); poolComboViewer.getCombo().select(0); Link link = getWidget(wizardDialog, "version"); link.setText("<a>1.0.0 Build 1234</a>"); link.getParent().layout(true); }
From source file:org.eclipse.oomph.setup.doc.user.wizard.CaptureSetupWizard.java
License:Open Source License
protected void postProcessProjectPage(WizardDialog wizardDialog) { ResourceSet resourceSet = getResourceSet(wizardDialog); ProjectCatalog projectCatalog = (ProjectCatalog) resourceSet .getResource(URI.createURI("index:/org.eclipse.projects.setup"), false).getContents().get(0); TreeViewer projectViewer = getViewer(wizardDialog, "projectViewer"); projectViewer.getControl().setFocus(); for (Iterator<Project> it = projectCatalog.getProjects().iterator(); it.hasNext();) { Project project = it.next();// w w w. ja va2 s . c om String label = project.getLabel(); if (!"Oomph".equals(label)) { if (!"<User>".equals(label)) { it.remove(); } } else { projectViewer.setSelection(new StructuredSelection(project)); } } ReflectUtil.invokeMethod(ReflectUtil.getMethod(projectViewer, "fireDoubleClick", DoubleClickEvent.class), projectViewer, (Object) null); }
From source file:org.eclipse.oomph.setup.doc.user.wizard.CaptureSetupWizard.java
License:Open Source License
protected void postProcessConfirmationPage(WizardDialog wizardDialog, boolean all) { AccessUtil.busyWait(100);//w w w .j a v a2 s . c o m CheckboxTreeViewer taskViewer = getViewer(wizardDialog, "viewer"); taskViewer.getControl().setFocus(); if (all) { Button showAll = getWidget(wizardDialog, "showAllTasks"); showAll.setSelection(true); showAll.notifyListeners(SWT.Selection, new Event()); } Button overwrite = getWidget(wizardDialog, "overwrite"); if (overwrite != null) { overwrite.setSelection(true); overwrite.notifyListeners(SWT.Selection, new Event()); AccessUtil.busyWait(10); } { ITreeContentProvider provider = (ITreeContentProvider) taskViewer.getContentProvider(); Object[] children = provider.getChildren(taskViewer.getInput()); for (Object object : provider.getChildren(children[0])) { if (object instanceof P2Task) { taskViewer.setSelection(new StructuredSelection(object)); break; } } } AccessUtil.busyWait(10); TreeViewer childrenViewer = getViewer(wizardDialog, "childrenViewer"); childrenViewer.getControl().setFocus(); { ITreeContentProvider provider = (ITreeContentProvider) childrenViewer.getContentProvider(); Object[] children = provider.getChildren(childrenViewer.getInput()); childrenViewer.setSelection(new StructuredSelection(children[0])); } SashForm hsash = getWidget(wizardDialog, "hsash"); hsash.setWeights(new int[] { 12, 9 }); SashForm vsash = getWidget(wizardDialog, "vsash"); vsash.setWeights(new int[] { 2, 1 }); AccessUtil.busyWait(10); }
From source file:org.eclipse.oomph.setup.presentation.SetupEditor.java
License:Open Source License
/** * This deals with how we want selection in the outliner to affect the other views. * <!-- begin-user-doc -->/*from ww w .j av a 2 s. co m*/ * <!-- end-user-doc --> * @generated NOT */ public void handleContentOutlineSelection(ISelection selection) { if (contentOutlinePage != null && selectionViewer != null && !selection.isEmpty() && selection instanceof IStructuredSelection) { Iterator<?> selectedElements = ((IStructuredSelection) selection).iterator(); if (selectedElements.hasNext()) { Object selectedElement = selectedElements.next(); ArrayList<Object> selectionList = new ArrayList<Object>(); selectionList.addAll(contentOutlinePage.getOriginals(selectedElement)); while (selectedElements.hasNext()) { selectionList.addAll(contentOutlinePage.getOriginals(selectedElements.next())); } TreeViewer oldSectionViewer = selectionViewer; selectionViewer = null; oldSectionViewer.setSelection(new StructuredSelection(selectionList)); selectionViewer = oldSectionViewer; } } }
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);/* www .j av a2 s .co 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.pde.emfforms.editor.actions.RemoveAction.java
License:Open Source License
@Override public void run() { TreeViewer treeViewer = masterDetail.getTreeViewer(); EObject elementToSelectAfterDeletion = computeElementToSelectAfterDeletion(treeViewer); getDeleteAction().run();// w w w.j a v a 2 s. co m treeViewer.refresh(); if (elementToSelectAfterDeletion != null) { treeViewer.setSelection(new StructuredSelection(elementToSelectAfterDeletion)); treeViewer.getTree().setFocus(); } }
From source file:org.eclipse.rcptt.ui.tags.SelectTagDialog.java
License:Open Source License
@Override protected Control createDialogArea(final Composite parent) { final Composite panel = (Composite) super.createDialogArea(parent); final SearchControl searchControl = new SearchControl(panel); searchControl.setInitialText(Messages.SelectTagDialog_InitialTagName); GridDataFactory.fillDefaults().grab(true, false).applyTo(searchControl); final TreeViewer tagsViewer = new TreeViewer(panel, SWT.BORDER | SWT.MULTI); tagsViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); searchControl.setSearchResultControl(tagsViewer.getControl()); searchControl.getFilterControl().addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { String value = searchControl.getFilterString(); if (!searchControl.getInitialText().equals(value)) { tagName = value;/*from w ww. jav a 2s .c o m*/ } else { tagName = null; } tagsViewer.refresh(); validate(); } }); tagsViewer.setFilters(new ViewerFilter[] { new TreeViewerWildcardFilter(tagsViewer) { protected boolean isIgnoredElement(Object parentElement, Object element) { return false; } @Override protected String getFilterText() { String value = searchControl.getFilterString(); if (!searchControl.getInitialText().equals(value)) { return value; } return ""; //$NON-NLS-1$ } @Override protected String getElementText(Object parentElement, Object element) { return ((Tag) element).getValue(); } } }); final ObservableListTreeContentProvider contentProvider = new ObservableListTreeContentProvider( new IObservableFactory() { public IObservable createObservable(final Object target) { if (target instanceof IObservable) { return (IObservable) target; } else if (target instanceof Tag) { final Tag tag = (Tag) target; ObservableList list = new WritableList(); synchronized (tag) { EList<Tag> tags = tag.getTags(); for (Tag childTag : tags) { synchronized (childTag) { if (childTag.getTags().size() > 0 || !disabledTags.contains(childTag.getPath())) { list.add(childTag); } } } } return list; } else { return null; } } }, null); tagsViewer.setContentProvider(contentProvider); allTags = new WritableList(); TagsRegistry tagRegistry = Q7UIPlugin.getDefault().getTags(); synchronized (tagRegistry) { EList<Tag> tags = tagRegistry.getTags(); for (Tag childTag : tags) { synchronized (childTag) { if (childTag.getTags().size() > 0 || !disabledTags.contains(childTag.getPath())) { allTags.add(childTag); } } } } tagsViewer.setInput(allTags); tagsViewer.setLabelProvider(new DelegatingStyledCellLabelProvider(new TagLabels())); tagsViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(final SelectionChangedEvent event) { final IStructuredSelection iss = (IStructuredSelection) event.getSelection(); result.clear(); boolean changed = false; for (final Object o : iss.toList()) { final Tag tag = (Tag) o; if (!disabledTags.contains(tag.getPath())) { result.add(tag); } else { changed = true; } } if (changed) { tagsViewer.setSelection(new StructuredSelection(result)); } validate(); } }); tagsViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(final DoubleClickEvent event) { setReturnCode(OK); result.clear(); result.add((Tag) ((IStructuredSelection) event.getSelection()).getFirstElement()); close(); } }); validate(); PlatformUI.getWorkbench().getHelpSystem().setHelp(panel, IQ7HelpContextIds.TAGS); return panel; }
From source file:org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsEditorPage.java
License:Open Source License
private FilteredTree createContentOutline(final Composite parent, final MasterDetailsContentOutline outline, final boolean addBorders) { final int treeStyle = (addBorders ? SWT.BORDER : SWT.NONE) | SWT.MULTI; final ContentOutlineFilteredTree filteredTree = new ContentOutlineFilteredTree(parent, treeStyle, outline); final TreeViewer treeViewer = filteredTree.getViewer(); final Tree tree = treeViewer.getTree(); final ITreeContentProvider contentProvider = new ITreeContentProvider() { private final Listener listener = new Listener() { @Override/*from ww w .java 2 s . c o m*/ public void handle(final org.eclipse.sapphire.Event event) { if (event instanceof PartEvent) { final SapphirePart part = ((PartEvent) event).part(); if (part instanceof MasterDetailsContentNode) { final MasterDetailsContentNode node = (MasterDetailsContentNode) part; if (event instanceof PartVisibilityEvent) { final MasterDetailsContentNode parent = node.getParentNode(); if (parent == outline.getRoot()) { treeViewer.refresh(); } else { treeViewer.refresh(parent); } } else { if (node.visible()) { if (event instanceof LabelChangedEvent || event instanceof ImageChangedEvent) { Display.getCurrent().asyncExec(new TreeViewerUpdateJob(treeViewer, node)); } else if (event instanceof NodeListEvent) { treeViewer.refresh(node); } } } } } } }; private void attach(final List<MasterDetailsContentNode> nodes) { for (MasterDetailsContentNode node : nodes) { node.attach(this.listener); } } private void detach(final List<MasterDetailsContentNode> nodes) { for (MasterDetailsContentNode node : nodes) { node.detach(this.listener); detach(node.nodes()); } } public Object[] getElements(final Object inputElement) { final MasterDetailsContentNodeList nodes = outline.getRoot().nodes(); attach(nodes); return nodes.visible().toArray(); } public Object[] getChildren(final Object parentElement) { final MasterDetailsContentNodeList nodes = ((MasterDetailsContentNode) parentElement).nodes(); attach(nodes); return nodes.visible().toArray(); } public Object getParent(final Object element) { return ((MasterDetailsContentNode) element).getParentNode(); } public boolean hasChildren(final Object parentElement) { final MasterDetailsContentNodeList nodes = ((MasterDetailsContentNode) parentElement).nodes(); attach(nodes); return !nodes.visible().isEmpty(); } public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) { } public void dispose() { detach(outline.getRoot().nodes()); } }; final LabelProvider labelProvider = new LabelProvider() { private final Map<ImageDescriptor, Image> images = new HashMap<ImageDescriptor, Image>(); @Override public String getText(final Object element) { return ((MasterDetailsContentNode) element).getLabel(); } @Override public Image getImage(final Object element) { return getImage((MasterDetailsContentNode) element); } private Image getImage(final MasterDetailsContentNode node) { final ImageDescriptor imageDescriptor = node.getImage(); Image image = this.images.get(imageDescriptor); if (image == null) { image = imageDescriptor.createImage(); this.images.put(imageDescriptor, image); } return image; } @Override public void dispose() { for (Image image : this.images.values()) { image.dispose(); } } }; new SapphireToolTip(tree) { protected Object getToolTipArea(final Event event) { return treeViewer.getCell(new Point(event.x, event.y)); } protected boolean shouldCreateToolTip(Event event) { if (!super.shouldCreateToolTip(event)) { return false; } setShift(new Point(0, 20)); tree.setToolTipText(""); boolean res = false; final MasterDetailsContentNode node = getNode(event); if (node != null) { res = !node.validation().ok(); } return res; } private MasterDetailsContentNode getNode(final Event event) { final TreeItem item = tree.getItem(new Point(event.x, event.y)); if (item == null) { return null; } else { return (MasterDetailsContentNode) item.getData(); } } protected void afterHideToolTip(Event event) { super.afterHideToolTip(event); // Clear the restored value else this could be a source of a leak if (event != null && event.widget != treeViewer.getControl()) { treeViewer.getControl().setFocus(); } } @Override protected void createContent(final Event event, final Composite parent) { final MasterDetailsContentNode node = getNode(event); parent.setLayout(glayout(1)); SapphireFormText text = new SapphireFormText(parent, SWT.NO_FOCUS); text.setLayoutData(gdfill()); final org.eclipse.sapphire.modeling.Status validation = node.validation(); final List<org.eclipse.sapphire.modeling.Status> items = gather(validation); final StringBuffer buffer = new StringBuffer(); buffer.append("<form>"); final int count = items.size(); int i = 0; for (org.eclipse.sapphire.modeling.Status item : items) { final String imageKey = (item.severity() == org.eclipse.sapphire.modeling.Status.Severity.ERROR ? "error" : "warning"); buffer.append("<li style=\"image\" value=\"" + imageKey + "\">" + escapeForXml(item.message()) + "</li>"); i++; if (count > 10 && i == 9) { break; } } if (count > 10) { final String msg = NLS.bind(Resources.problemsOverflowMessage, numberToString(count - 9)); final String imageKey = (validation .severity() == org.eclipse.sapphire.modeling.Status.Severity.ERROR ? "error" : "warning"); buffer.append("<br/><li style=\"image\" value=\"" + imageKey + "\">" + msg + "</li>"); } buffer.append("</form>"); text.setText(buffer.toString(), true, false); text.setImage("error", ImageData.createFromClassLoader(SwtResourceCache.class, "Error.png")); text.setImage("warning", ImageData.createFromClassLoader(SwtResourceCache.class, "Warning.png")); } private String numberToString(final int number) { switch (number) { case 2: return Resources.two; case 3: return Resources.three; case 4: return Resources.four; case 5: return Resources.five; case 6: return Resources.six; case 7: return Resources.seven; case 8: return Resources.eight; case 9: return Resources.nine; default: return String.valueOf(number); } } private List<org.eclipse.sapphire.modeling.Status> gather( final org.eclipse.sapphire.modeling.Status status) { final List<org.eclipse.sapphire.modeling.Status> items = new ArrayList<org.eclipse.sapphire.modeling.Status>(); gather(status, items); return items; } private void gather(final org.eclipse.sapphire.modeling.Status status, final List<org.eclipse.sapphire.modeling.Status> items) { if (status.children().isEmpty()) { items.add(status); } else { for (org.eclipse.sapphire.modeling.Status child : status.children()) { gather(child, items); } } } }; treeViewer.setContentProvider(contentProvider); treeViewer.setLabelProvider(labelProvider); treeViewer.setInput(new Object()); final MutableReference<Boolean> ignoreSelectionChange = new MutableReference<Boolean>(false); final MutableReference<Boolean> ignoreExpandedStateChange = new MutableReference<Boolean>(false); final Listener contentTreeListener = new Listener() { @Override public void handle(final org.eclipse.sapphire.Event event) { if (event instanceof MasterDetailsContentOutline.SelectionChangedEvent) { if (ignoreSelectionChange.get() == true) { return; } final MasterDetailsContentOutline.SelectionChangedEvent evt = (MasterDetailsContentOutline.SelectionChangedEvent) event; final List<MasterDetailsContentNode> selection = evt.selection(); final IStructuredSelection sel; if (selection.isEmpty()) { sel = StructuredSelection.EMPTY; } else { sel = new StructuredSelection(selection); } if (!treeViewer.getSelection().equals(sel)) { for (MasterDetailsContentNode node : selection) { treeViewer.reveal(node); } treeViewer.setSelection(sel); } } else if (event instanceof MasterDetailsContentOutline.NodeExpandedStateChangedEvent) { if (ignoreExpandedStateChange.get() == true) { return; } final MasterDetailsContentOutline.NodeExpandedStateChangedEvent evt = (MasterDetailsContentOutline.NodeExpandedStateChangedEvent) event; final MasterDetailsContentNode node = evt.node(); final boolean expandedState = node.isExpanded(); if (treeViewer.getExpandedState(node) != expandedState) { treeViewer.setExpandedState(node, expandedState); } } else if (event instanceof MasterDetailsContentOutline.FilterChangedEvent) { final MasterDetailsContentOutline.FilterChangedEvent evt = (MasterDetailsContentOutline.FilterChangedEvent) event; filteredTree.changeFilterText(evt.filter()); } } }; outline.attach(contentTreeListener); treeViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(final SelectionChangedEvent event) { ignoreSelectionChange.set(true); try { final IStructuredSelection selection = (IStructuredSelection) event.getSelection(); final List<MasterDetailsContentNode> nodes = new ArrayList<MasterDetailsContentNode>(); for (Iterator<?> itr = selection.iterator(); itr.hasNext();) { nodes.add((MasterDetailsContentNode) itr.next()); } outline.setSelectedNodes(nodes); } finally { ignoreSelectionChange.set(false); } } }); treeViewer.addTreeListener(new ITreeViewerListener() { public void treeExpanded(final TreeExpansionEvent event) { ignoreExpandedStateChange.set(true); try { final MasterDetailsContentNode node = (MasterDetailsContentNode) event.getElement(); node.setExpanded(true); } finally { ignoreExpandedStateChange.set(false); } } public void treeCollapsed(final TreeExpansionEvent event) { ignoreExpandedStateChange.set(true); try { final MasterDetailsContentNode node = (MasterDetailsContentNode) event.getElement(); node.setExpanded(false); } finally { ignoreExpandedStateChange.set(false); } } }); final ContentOutlineActionSupport actionSupport = new ContentOutlineActionSupport(outline, tree); treeViewer.setExpandedElements(outline.getExpandedNodes().toArray()); contentTreeListener .handle(new MasterDetailsContentOutline.SelectionChangedEvent(outline.getSelectedNodes())); filteredTree.changeFilterText(outline.getFilterText()); final ModelElementsTransfer transfer = new ModelElementsTransfer( getModelElement().type().getModelElementClass().getClassLoader()); final Transfer[] transfers = new Transfer[] { transfer }; final DragSource dragSource = new DragSource(tree, DND.DROP_MOVE); dragSource.setTransfer(transfers); final List<Element> dragElements = new ArrayList<Element>(); dragSource.addDragListener(new DragSourceListener() { public void dragStart(final DragSourceEvent event) { final TreeItem[] selection = tree.getSelection(); final String filter = outline().getFilterText(); if ((filter == null || filter.length() == 0) && draggable(selection)) { event.doit = true; for (TreeItem item : selection) { final MasterDetailsContentNode node = (MasterDetailsContentNode) item.getData(); dragElements.add(node.getModelElement()); } } else { event.doit = false; } } protected boolean draggable(final TreeItem[] selection) { if (selection.length > 0) { for (TreeItem item : selection) { final MasterDetailsContentNode node = (MasterDetailsContentNode) item.getData(); if (!draggable(node)) { return false; } } return true; } return false; } protected boolean draggable(final MasterDetailsContentNode node) { final Element element = node.getModelElement(); if (element.parent().definition() instanceof ListProperty && node.controls(element)) { return true; } return false; } public void dragSetData(final DragSourceEvent event) { event.data = dragElements; } public void dragFinished(final DragSourceEvent event) { if (event.detail == DND.DROP_MOVE) { // When drop target is the same editor as drag source, the drop handler takes care of removing // elements from their original location. The following block of code accounts for the case when // dropping into another editor. boolean droppedIntoAnotherEditor = false; for (Element dragElement : dragElements) { if (!dragElement.disposed()) { droppedIntoAnotherEditor = true; break; } } if (droppedIntoAnotherEditor) { final TreeItem[] selection = tree.getSelection(); final List<MasterDetailsContentNode> dragNodes = new ArrayList<MasterDetailsContentNode>(); for (TreeItem item : selection) { dragNodes.add((MasterDetailsContentNode) item.getData()); } final MasterDetailsContentNode parentNode = dragNodes.get(0).getParentNode(); MasterDetailsContentNode selectionPostDelete = findSelectionPostDelete( parentNode.nodes().visible(), dragNodes); if (selectionPostDelete == null) { selectionPostDelete = parentNode; } try { outline.listeners().suspend(MasterDetailsContentOutline.SelectionChangedEvent.class); for (Element dragElement : dragElements) { final ElementList<?> dragElementContainer = (ElementList<?>) dragElement.parent(); dragElementContainer.remove(dragElement); } } catch (Exception e) { // Log this exception unless the cause is EditFailedException. These exception // are the result of the user declining a particular action that is necessary // before the edit can happen (such as making a file writable). final EditFailedException editFailedException = EditFailedException.findAsCause(e); if (editFailedException == null) { SapphireUiFrameworkPlugin.log(e); } } finally { outline.listeners().resume(MasterDetailsContentOutline.SelectionChangedEvent.class); } parentNode.getContentTree().setSelectedNode(selectionPostDelete); } } dragElements.clear(); } }); final DropTarget target = new DropTarget(tree, DND.DROP_MOVE); target.setTransfer(transfers); target.addDropListener(new DropTargetAdapter() { public void dragOver(final DropTargetEvent event) { if (event.item != null) { final TreeItem dragOverItem = (TreeItem) event.item; final MasterDetailsContentNode dragOverNode = (MasterDetailsContentNode) dragOverItem.getData(); final MasterDetailsContentNode parentNode = dragOverNode.getParentNode(); final List<MasterDetailsContentNode> siblingNodes = parentNode.nodes().visible(); final Point pt = dragOverItem.getDisplay().map(null, tree, event.x, event.y); final Rectangle bounds = dragOverItem.getBounds(); MasterDetailsContentNode precedingNode = null; MasterDetailsContentNode trailingNode = null; if (pt.y < bounds.y + bounds.height / 2) { precedingNode = findPrecedingItem(siblingNodes, dragOverNode); trailingNode = dragOverNode; event.feedback = DND.FEEDBACK_INSERT_BEFORE; } else { precedingNode = dragOverNode; trailingNode = findTrailingItem(siblingNodes, dragOverNode); event.feedback = DND.FEEDBACK_INSERT_AFTER; } boolean ok = false; if (precedingNode != null) { final Element precedingElement = precedingNode.getModelElement(); if (precedingElement.parent().definition() instanceof ListProperty && precedingNode.controls(precedingElement)) { ok = true; } } if (!ok && trailingNode != null) { final Element trailingElement = trailingNode.getModelElement(); if (trailingElement.parent().definition() instanceof ListProperty && trailingNode.controls(trailingElement)) { ok = true; } } if (!ok) { event.feedback = DND.FEEDBACK_NONE; } } event.feedback |= DND.FEEDBACK_SCROLL; } @SuppressWarnings("unchecked") public void drop(final DropTargetEvent event) { if (event.data == null || event.item == null) { event.detail = DND.DROP_NONE; return; } // Determine where something was dropped. final List<Element> droppedElements = (List<Element>) event.data; final TreeItem dropTargetItem = (TreeItem) event.item; final MasterDetailsContentNode dropTargetNode = (MasterDetailsContentNode) dropTargetItem.getData(); final MasterDetailsContentNode parentNode = dropTargetNode.getParentNode(); final List<MasterDetailsContentNode> siblingNodes = parentNode.nodes().visible(); final Point pt = tree.getDisplay().map(null, tree, event.x, event.y); final Rectangle bounds = dropTargetItem.getBounds(); MasterDetailsContentNode precedingNode = null; MasterDetailsContentNode trailingNode = null; if (pt.y < bounds.y + bounds.height / 2) { precedingNode = findPrecedingItem(siblingNodes, dropTargetNode); trailingNode = dropTargetNode; } else { precedingNode = dropTargetNode; trailingNode = findTrailingItem(siblingNodes, dropTargetNode); } // Determine whether the drop was valid from model standpoint and figure out // where in the model the dropped elements are to be inserted. ElementList<?> list = null; int position = -1; if (precedingNode != null) { final Element precedingElement = precedingNode.getModelElement(); if (precedingElement.parent().definition() instanceof ListProperty && !precedingElement.parent().definition().isReadOnly() && precedingNode.controls(precedingElement)) { list = (ElementList<?>) precedingElement.parent(); final Set<ElementType> possibleListElementTypes = list.definition() .service(PossibleTypesService.class).types(); for (Element droppedElement : droppedElements) { if (!possibleListElementTypes.contains(droppedElement.type())) { list = null; break; } } if (list != null) { position = list.indexOf(precedingElement) + 1; } } } if (list == null && trailingNode != null) { final Element trailingElement = trailingNode.getModelElement(); if (trailingElement.parent().definition() instanceof ListProperty && !trailingElement.parent().definition().isReadOnly() && trailingNode.controls(trailingElement)) { list = (ElementList<?>) trailingElement.parent(); final Set<ElementType> possibleListElementTypes = list.definition() .service(PossibleTypesService.class).types(); for (Element droppedElement : droppedElements) { if (!possibleListElementTypes.contains(droppedElement.type())) { list = null; break; } } if (list != null) { position = list.indexOf(trailingElement); } } } if (list == null) { for (PropertyDef dropTargetChildProperty : dropTargetNode.getChildNodeFactoryProperties()) { if (dropTargetChildProperty instanceof ListProperty && !dropTargetChildProperty.isReadOnly()) { final ListProperty dropTargetChildListProperty = (ListProperty) dropTargetChildProperty; boolean compatible = true; final Set<ElementType> possibleListElementTypes = dropTargetChildListProperty .service(PossibleTypesService.class).types(); for (Element droppedElement : droppedElements) { if (!possibleListElementTypes.contains(droppedElement.type())) { compatible = false; break; } } if (compatible) { list = dropTargetNode.getLocalModelElement().property(dropTargetChildListProperty); position = list.size(); } } } } if (list == null) { event.detail = DND.DROP_NONE; return; } // Perform the removal and insertion into the new location. try { outline.listeners().suspend(MasterDetailsContentOutline.SelectionChangedEvent.class); for (Element dragElement : dragElements) { final ElementList<?> dragElementContainer = (ElementList<?>) dragElement.parent(); if (dragElementContainer == list && dragElementContainer.indexOf(dragElement) < position) { position--; } dragElementContainer.remove(dragElement); } final List<MasterDetailsContentNode> newSelection = new ArrayList<MasterDetailsContentNode>(); for (Element droppedElement : droppedElements) { final Element insertedElement = list.insert(droppedElement.type(), position); insertedElement.copy(droppedElement); newSelection.add(parentNode.findNode(insertedElement)); position++; } parentNode.getContentTree().setSelectedNodes(newSelection); } catch (Exception e) { // Log this exception unless the cause is EditFailedException. These exception // are the result of the user declining a particular action that is necessary // before the edit can happen (such as making a file writable). final EditFailedException editFailedException = EditFailedException.findAsCause(e); if (editFailedException == null) { SapphireUiFrameworkPlugin.log(e); } event.detail = DND.DROP_NONE; } finally { outline.listeners().resume(MasterDetailsContentOutline.SelectionChangedEvent.class); } } }); tree.addDisposeListener(new DisposeListener() { public void widgetDisposed(final DisposeEvent event) { outline.detach(contentTreeListener); actionSupport.dispose(); } }); return filteredTree; }
From source file:org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage.java
License:Open Source License
private FilteredTree createContentOutline(final Composite parent, final MasterDetailsContentOutline outline, final boolean addBorders) { final int treeStyle = (addBorders ? SWT.BORDER : SWT.NONE) | SWT.MULTI; final ContentOutlineFilteredTree filteredTree = new ContentOutlineFilteredTree(parent, treeStyle, outline); final TreeViewer treeViewer = filteredTree.getViewer(); final Tree tree = treeViewer.getTree(); final ITreeContentProvider contentProvider = new ITreeContentProvider() { private final Listener listener = new Listener() { @Override// ww w. ja va2s .co m public void handle(final org.eclipse.sapphire.Event event) { if (event instanceof PartEvent) { final SapphirePart part = ((PartEvent) event).part(); if (part instanceof MasterDetailsContentNodePart) { final MasterDetailsContentNodePart node = (MasterDetailsContentNodePart) part; if (event instanceof PartVisibilityEvent) { final MasterDetailsContentNodePart parent = node.getParentNode(); if (parent == outline.getRoot()) { treeViewer.refresh(); } else { treeViewer.refresh(parent); } } else { if (node.visible()) { if (event instanceof LabelChangedEvent || event instanceof ImageChangedEvent || event instanceof DecorationEvent) { Display.getCurrent().asyncExec(new TreeViewerUpdateJob(treeViewer, node)); } else if (event instanceof NodeListEvent) { treeViewer.refresh(node); } } } } } } }; private void attach(final List<MasterDetailsContentNodePart> nodes) { for (MasterDetailsContentNodePart node : nodes) { node.attach(this.listener); } } private void detach(final List<MasterDetailsContentNodePart> nodes) { for (MasterDetailsContentNodePart node : nodes) { node.detach(this.listener); detach(node.nodes()); } } public Object[] getElements(final Object inputElement) { final MasterDetailsContentNodeList nodes = outline.getRoot().nodes(); attach(nodes); return nodes.visible().toArray(); } public Object[] getChildren(final Object parentElement) { final MasterDetailsContentNodeList nodes = ((MasterDetailsContentNodePart) parentElement).nodes(); attach(nodes); return nodes.visible().toArray(); } public Object getParent(final Object element) { return ((MasterDetailsContentNodePart) element).getParentNode(); } public boolean hasChildren(final Object parentElement) { final MasterDetailsContentNodeList nodes = ((MasterDetailsContentNodePart) parentElement).nodes(); attach(nodes); return !nodes.visible().isEmpty(); } public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) { } public void dispose() { detach(outline.getRoot().nodes()); } }; final StyledCellLabelProvider labelProvider = new StyledCellLabelProvider() { private final Map<ImageDescriptor, Image> images = new HashMap<ImageDescriptor, Image>(); private final Map<org.eclipse.sapphire.Color, Color> colors = new HashMap<org.eclipse.sapphire.Color, Color>(); public void update(final ViewerCell cell) { final MasterDetailsContentNodePart node = (MasterDetailsContentNodePart) cell.getElement(); final StyledString styledString = new StyledString(node.getLabel()); for (final TextDecoration decoration : node.decorations()) { String text = decoration.text(); if (text != null) { text = text.trim(); if (text.length() > 0) { final Color color = color(decoration.color()); styledString.append(" " + text, new Styler() { @Override public void applyStyles(final TextStyle style) { style.foreground = color; } }); } } } cell.setText(styledString.toString()); cell.setStyleRanges(styledString.getStyleRanges()); cell.setImage(image(node.getImage())); super.update(cell); } private Color color(final org.eclipse.sapphire.Color c) { Color color = this.colors.get(c); if (color == null) { color = new Color(tree.getDisplay(), c.red(), c.green(), c.blue()); this.colors.put(c, color); } return color; } private Image image(final ImageDescriptor imageDescriptor) { Image image = this.images.get(imageDescriptor); if (image == null) { image = imageDescriptor.createImage(); this.images.put(imageDescriptor, image); } return image; } @Override public void dispose() { for (final Image image : this.images.values()) { image.dispose(); } } }; new SapphireToolTip(tree) { protected Object getToolTipArea(final Event event) { return treeViewer.getCell(new Point(event.x, event.y)); } protected boolean shouldCreateToolTip(Event event) { if (!super.shouldCreateToolTip(event)) { return false; } setShift(new Point(0, 20)); tree.setToolTipText(""); boolean res = false; final MasterDetailsContentNodePart node = getNode(event); if (node != null) { res = !node.validation().ok(); } return res; } private MasterDetailsContentNodePart getNode(final Event event) { final TreeItem item = tree.getItem(new Point(event.x, event.y)); if (item == null) { return null; } else { return (MasterDetailsContentNodePart) item.getData(); } } protected void afterHideToolTip(Event event) { super.afterHideToolTip(event); // Clear the restored value else this could be a source of a leak if (event != null && event.widget != treeViewer.getControl()) { treeViewer.getControl().setFocus(); } } @Override protected void createContent(final Event event, final Composite parent) { final MasterDetailsContentNodePart node = getNode(event); parent.setLayout(glayout(1)); SapphireFormText text = new SapphireFormText(parent, SWT.NO_FOCUS); text.setLayoutData(gdfill()); final org.eclipse.sapphire.modeling.Status validation = node.validation(); final List<org.eclipse.sapphire.modeling.Status> items = gather(validation); final StringBuffer buffer = new StringBuffer(); buffer.append("<form>"); final int count = items.size(); int i = 0; for (org.eclipse.sapphire.modeling.Status item : items) { final String imageKey = (item.severity() == org.eclipse.sapphire.modeling.Status.Severity.ERROR ? "error" : "warning"); buffer.append("<li style=\"image\" value=\"" + imageKey + "\">" + escapeForXml(item.message()) + "</li>"); i++; if (count > 10 && i == 9) { break; } } if (count > 10) { final String msg = problemsOverflowMessage.format(numberToString(count - 9)); final String imageKey = (validation .severity() == org.eclipse.sapphire.modeling.Status.Severity.ERROR ? "error" : "warning"); buffer.append("<br/><li style=\"image\" value=\"" + imageKey + "\">" + msg + "</li>"); } buffer.append("</form>"); text.setText(buffer.toString(), true, false); text.setImage("error", ImageData.readFromClassLoader(SwtResourceCache.class, "Error.png").required()); text.setImage("warning", ImageData.readFromClassLoader(SwtResourceCache.class, "Warning.png").required()); } private String numberToString(final int number) { switch (number) { case 2: return two.text(); case 3: return three.text(); case 4: return four.text(); case 5: return five.text(); case 6: return six.text(); case 7: return seven.text(); case 8: return eight.text(); case 9: return nine.text(); default: return String.valueOf(number); } } private List<org.eclipse.sapphire.modeling.Status> gather( final org.eclipse.sapphire.modeling.Status status) { final List<org.eclipse.sapphire.modeling.Status> items = new ArrayList<org.eclipse.sapphire.modeling.Status>(); gather(status, items); return items; } private void gather(final org.eclipse.sapphire.modeling.Status status, final List<org.eclipse.sapphire.modeling.Status> items) { if (status.children().isEmpty()) { items.add(status); } else { for (org.eclipse.sapphire.modeling.Status child : status.children()) { gather(child, items); } } } }; treeViewer.setContentProvider(contentProvider); treeViewer.setLabelProvider(labelProvider); treeViewer.setInput(new Object()); final MutableReference<Boolean> ignoreSelectionChange = new MutableReference<Boolean>(false); final MutableReference<Boolean> ignoreExpandedStateChange = new MutableReference<Boolean>(false); final Listener contentTreeListener = new Listener() { @Override public void handle(final org.eclipse.sapphire.Event event) { if (event instanceof MasterDetailsContentOutline.SelectionChangedEvent) { if (ignoreSelectionChange.get() == true) { return; } final MasterDetailsContentOutline.SelectionChangedEvent evt = (MasterDetailsContentOutline.SelectionChangedEvent) event; final List<MasterDetailsContentNodePart> selection = evt.selection(); final IStructuredSelection sel; if (selection.isEmpty()) { sel = StructuredSelection.EMPTY; } else { sel = new StructuredSelection(selection); } if (!treeViewer.getSelection().equals(sel)) { for (MasterDetailsContentNodePart node : selection) { treeViewer.reveal(node); } treeViewer.setSelection(sel); } } else if (event instanceof MasterDetailsContentOutline.NodeExpandedStateChangedEvent) { if (ignoreExpandedStateChange.get() == true) { return; } final MasterDetailsContentOutline.NodeExpandedStateChangedEvent evt = (MasterDetailsContentOutline.NodeExpandedStateChangedEvent) event; final MasterDetailsContentNodePart node = evt.node(); final boolean expandedState = node.isExpanded(); if (treeViewer.getExpandedState(node) != expandedState) { treeViewer.setExpandedState(node, expandedState); } } else if (event instanceof MasterDetailsContentOutline.FilterChangedEvent) { final MasterDetailsContentOutline.FilterChangedEvent evt = (MasterDetailsContentOutline.FilterChangedEvent) event; filteredTree.changeFilterText(evt.filter()); } } }; outline.attach(contentTreeListener); treeViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(final SelectionChangedEvent event) { ignoreSelectionChange.set(true); try { final IStructuredSelection selection = (IStructuredSelection) event.getSelection(); final List<MasterDetailsContentNodePart> nodes = new ArrayList<MasterDetailsContentNodePart>(); for (Iterator<?> itr = selection.iterator(); itr.hasNext();) { nodes.add((MasterDetailsContentNodePart) itr.next()); } outline.setSelectedNodes(nodes); } finally { ignoreSelectionChange.set(false); } } }); treeViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { IStructuredSelection thisSelection = (IStructuredSelection) event.getSelection(); if (thisSelection.size() == 1) { MasterDetailsContentNodePart selectedNode = (MasterDetailsContentNodePart) thisSelection .getFirstElement(); selectedNode.setExpanded(!selectedNode.isExpanded()); } } }); treeViewer.addTreeListener(new ITreeViewerListener() { public void treeExpanded(final TreeExpansionEvent event) { ignoreExpandedStateChange.set(true); try { final MasterDetailsContentNodePart node = (MasterDetailsContentNodePart) event.getElement(); node.setExpanded(true); } finally { ignoreExpandedStateChange.set(false); } } public void treeCollapsed(final TreeExpansionEvent event) { ignoreExpandedStateChange.set(true); try { final MasterDetailsContentNodePart node = (MasterDetailsContentNodePart) event.getElement(); node.setExpanded(false); } finally { ignoreExpandedStateChange.set(false); } } }); final ContentOutlineActionSupport actionSupport = new ContentOutlineActionSupport(outline, tree); treeViewer.setExpandedElements(outline.getExpandedNodes().toArray()); contentTreeListener .handle(new MasterDetailsContentOutline.SelectionChangedEvent(outline.getSelectedNodes())); filteredTree.changeFilterText(outline.getFilterText()); final ElementsTransfer transfer = new ElementsTransfer( getModelElement().type().getModelElementClass().getClassLoader()); final Transfer[] transfers = new Transfer[] { transfer }; final DragSource dragSource = new DragSource(tree, DND.DROP_COPY | DND.DROP_MOVE); dragSource.setTransfer(transfers); final List<Element> dragElements = new ArrayList<Element>(); dragSource.addDragListener(new DragSourceListener() { public void dragStart(final DragSourceEvent event) { final TreeItem[] selection = tree.getSelection(); final String filter = outline().getFilterText(); if ((filter == null || filter.length() == 0) && draggable(selection)) { event.doit = true; for (TreeItem item : selection) { final MasterDetailsContentNodePart node = (MasterDetailsContentNodePart) item.getData(); dragElements.add(node.getModelElement()); } } else { event.doit = false; } } protected boolean draggable(final TreeItem[] selection) { if (selection.length > 0) { for (TreeItem item : selection) { final MasterDetailsContentNodePart node = (MasterDetailsContentNodePart) item.getData(); if (!draggable(node)) { return false; } } return true; } return false; } protected boolean draggable(final MasterDetailsContentNodePart node) { final Element element = node.getModelElement(); if (element.parent() instanceof ElementList && node.controls(element)) { return true; } return false; } public void dragSetData(final DragSourceEvent event) { event.data = dragElements; } public void dragFinished(final DragSourceEvent event) { if (event.detail == DND.DROP_MOVE) { // When drop target is the same editor as drag source, the drop handler takes care of removing // elements from their original location. The following block of code accounts for the case when // dropping into another editor. boolean droppedIntoAnotherEditor = false; for (Element dragElement : dragElements) { if (!dragElement.disposed()) { droppedIntoAnotherEditor = true; break; } } if (droppedIntoAnotherEditor) { final TreeItem[] selection = tree.getSelection(); final List<MasterDetailsContentNodePart> dragNodes = new ArrayList<MasterDetailsContentNodePart>(); for (TreeItem item : selection) { dragNodes.add((MasterDetailsContentNodePart) item.getData()); } final MasterDetailsContentNodePart parentNode = dragNodes.get(0).getParentNode(); MasterDetailsContentNodePart selectionPostDelete = findSelectionPostDelete( parentNode.nodes().visible(), dragNodes); if (selectionPostDelete == null) { selectionPostDelete = parentNode; } final Disposable suspension = outline.listeners().queue() .suspend(SelectionChangedEventFilter.INSTANCE); try { for (Element dragElement : dragElements) { final ElementList<?> dragElementContainer = (ElementList<?>) dragElement.parent(); dragElementContainer.remove(dragElement); } } catch (Exception e) { // Log this exception unless the cause is EditFailedException. These exception // are the result of the user declining a particular action that is necessary // before the edit can happen (such as making a file writable). final EditFailedException editFailedException = EditFailedException.findAsCause(e); if (editFailedException == null) { Sapphire.service(LoggingService.class).log(e); } } finally { suspension.dispose(); outline.listeners().queue().process(); } parentNode.getContentTree().setSelectedNode(selectionPostDelete); } } dragElements.clear(); } }); final DropTarget target = new DropTarget(tree, DND.DROP_COPY | DND.DROP_MOVE); target.setTransfer(transfers); target.addDropListener(new DropTargetAdapter() { public void dragOver(final DropTargetEvent event) { if (event.item != null) { final TreeItem dragOverItem = (TreeItem) event.item; final MasterDetailsContentNodePart dragOverNode = (MasterDetailsContentNodePart) dragOverItem .getData(); final MasterDetailsContentNodePart parentNode = dragOverNode.getParentNode(); final List<MasterDetailsContentNodePart> siblingNodes = parentNode.nodes().visible(); final Point pt = dragOverItem.getDisplay().map(null, tree, event.x, event.y); final Rectangle bounds = dragOverItem.getBounds(); boolean dragOverNodeAcceptedDrop = false; if (pt.y > bounds.y + bounds.height / 3 && pt.y < bounds.y + bounds.height - bounds.height / 3) { for (final PropertyDef dragOverTargetChildProperty : dragOverNode .getChildNodeFactoryProperties()) { if (dragOverTargetChildProperty instanceof ListProperty && !dragOverTargetChildProperty.isReadOnly()) { dragOverNodeAcceptedDrop = true; event.feedback = DND.FEEDBACK_SELECT; break; } } } if (!dragOverNodeAcceptedDrop) { MasterDetailsContentNodePart precedingNode = null; MasterDetailsContentNodePart trailingNode = null; if (pt.y < bounds.y + bounds.height / 2) { precedingNode = findPrecedingItem(siblingNodes, dragOverNode); trailingNode = dragOverNode; event.feedback = DND.FEEDBACK_INSERT_BEFORE; } else { precedingNode = dragOverNode; trailingNode = findTrailingItem(siblingNodes, dragOverNode); event.feedback = DND.FEEDBACK_INSERT_AFTER; } boolean ok = false; if (precedingNode != null) { final Element precedingElement = precedingNode.getModelElement(); if (precedingElement.parent() instanceof ElementList && precedingNode.controls(precedingElement)) { ok = true; } } if (!ok && trailingNode != null) { final Element trailingElement = trailingNode.getModelElement(); if (trailingElement.parent() instanceof ElementList && trailingNode.controls(trailingElement)) { ok = true; } } if (!ok) { event.feedback = DND.FEEDBACK_NONE; } } } event.feedback |= DND.FEEDBACK_SCROLL; } @SuppressWarnings("unchecked") public void drop(final DropTargetEvent event) { if (event.data == null || event.item == null) { event.detail = DND.DROP_NONE; return; } // Determine where something was dropped. final List<ElementData> droppedElements = (List<ElementData>) event.data; final TreeItem dropTargetItem = (TreeItem) event.item; final MasterDetailsContentNodePart dropTargetNode = (MasterDetailsContentNodePart) dropTargetItem .getData(); final MasterDetailsContentNodePart parentNode = dropTargetNode.getParentNode(); final List<MasterDetailsContentNodePart> siblingNodes = parentNode.nodes().visible(); final Point pt = tree.getDisplay().map(null, tree, event.x, event.y); final Rectangle bounds = dropTargetItem.getBounds(); MasterDetailsContentNodePart precedingNode = null; MasterDetailsContentNodePart trailingNode = null; boolean dropTargetNodeAcceptedDrop = false; if (pt.y > bounds.y + bounds.height / 3 && pt.y < bounds.y + bounds.height - bounds.height / 3) { for (final PropertyDef dropTargetChildProperty : dropTargetNode .getChildNodeFactoryProperties()) { if (dropTargetChildProperty instanceof ListProperty && !dropTargetChildProperty.isReadOnly()) { dropTargetNodeAcceptedDrop = true; break; } } } if (!dropTargetNodeAcceptedDrop) { if (pt.y < bounds.y + bounds.height / 2) { precedingNode = findPrecedingItem(siblingNodes, dropTargetNode); trailingNode = dropTargetNode; } else { precedingNode = dropTargetNode; trailingNode = findTrailingItem(siblingNodes, dropTargetNode); } } // Determine whether the drop was valid from model standpoint and figure out // where in the model the dropped elements are to be inserted. ElementList<?> list = null; int position = -1; if (precedingNode != null) { final Element precedingElement = precedingNode.getModelElement(); if (precedingElement.parent() instanceof ElementList && !precedingElement.parent().definition().isReadOnly() && precedingNode.controls(precedingElement)) { list = (ElementList<?>) precedingElement.parent(); final Set<ElementType> possibleListElementTypes = list.definition() .service(PossibleTypesService.class).types(); for (final ElementData droppedElement : droppedElements) { if (!possibleListElementTypes.contains(droppedElement.type())) { list = null; break; } } if (list != null) { position = list.indexOf(precedingElement) + 1; } } } if (list == null && trailingNode != null) { final Element trailingElement = trailingNode.getModelElement(); if (trailingElement.parent() instanceof ElementList && !trailingElement.parent().definition().isReadOnly() && trailingNode.controls(trailingElement)) { list = (ElementList<?>) trailingElement.parent(); final Set<ElementType> possibleListElementTypes = list.definition() .service(PossibleTypesService.class).types(); for (final ElementData droppedElement : droppedElements) { if (!possibleListElementTypes.contains(droppedElement.type())) { list = null; break; } } if (list != null) { position = list.indexOf(trailingElement); } } } if (list == null) { for (PropertyDef dropTargetChildProperty : dropTargetNode.getChildNodeFactoryProperties()) { if (dropTargetChildProperty instanceof ListProperty && !dropTargetChildProperty.isReadOnly()) { final ListProperty dropTargetChildListProperty = (ListProperty) dropTargetChildProperty; boolean compatible = true; final Set<ElementType> possibleListElementTypes = dropTargetChildListProperty .service(PossibleTypesService.class).types(); for (final ElementData droppedElement : droppedElements) { if (!possibleListElementTypes.contains(droppedElement.type())) { compatible = false; break; } } if (compatible) { list = dropTargetNode.getLocalModelElement().property(dropTargetChildListProperty); position = list.size(); } } } } if (list == null) { event.detail = DND.DROP_NONE; return; } // Prevent a drop within a drag element. for (Property p = list; p != null; p = p.element().parent()) { for (final Element dragElement : dragElements) { if (p.element() == dragElement) { event.detail = DND.DROP_NONE; return; } } } // Perform the removal and insertion into the new location. final Disposable suspension = outline.listeners().queue() .suspend(SelectionChangedEventFilter.INSTANCE); try { if (event.detail == DND.DROP_MOVE) { for (Element dragElement : dragElements) { final ElementList<?> dragElementContainer = (ElementList<?>) dragElement.parent(); if (dragElementContainer == list && dragElementContainer.indexOf(dragElement) < position) { position--; } dragElementContainer.remove(dragElement); } } final List<MasterDetailsContentNodePart> newSelection = new ArrayList<MasterDetailsContentNodePart>(); for (final ElementData droppedElement : droppedElements) { final Element insertedElement = list.insert(droppedElement.type(), position); insertedElement.copy(droppedElement); newSelection.add(parentNode.findNode(insertedElement)); position++; } parentNode.getContentTree().setSelectedNodes(newSelection); } catch (Exception e) { // Log this exception unless the cause is EditFailedException. These exception // are the result of the user declining a particular action that is necessary // before the edit can happen (such as making a file writable). final EditFailedException editFailedException = EditFailedException.findAsCause(e); if (editFailedException == null) { Sapphire.service(LoggingService.class).log(e); } event.detail = DND.DROP_NONE; } finally { suspension.dispose(); outline.listeners().queue().process(); } } }); tree.addDisposeListener(new DisposeListener() { public void widgetDisposed(final DisposeEvent event) { outline.detach(contentTreeListener); actionSupport.dispose(); } }); return filteredTree; }
From source file:org.eclipse.sapphire.ui.renderers.swt.EclipseWorkspacePathPropertyEditorRenderer.java
License:Open Source License
@Override protected void createContents(final Composite parent) { final PropertyEditorPart part = getPart(); final Value<?> value = (Value<?>) part.property(); final Text textField = (Text) super.createContents(parent, true); final Composite drillDownParent = createMainComposite(parent, new CreateMainCompositeDelegate(part) { @Override/* w w w. ja va2s .c o m*/ public boolean getShowLabel() { return false; } }); drillDownParent.setLayout(glayout(1, 9, 0, 0, 0)); final DrillDownComposite drillDown = new DrillDownComposite(drillDownParent, SWT.BORDER); drillDown.setLayoutData(gdfill()); final TreeViewer treeViewer = new TreeViewer(drillDown, SWT.NONE); final Tree tree = treeViewer.getTree(); drillDown.setChildTree(treeViewer); treeViewer.setContentProvider(new WorkbenchContentProvider()); treeViewer.setLabelProvider(WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider()); treeViewer.setSorter(new ViewerSorter()); final ValidFileSystemResourceType validFileSystemResourceTypeAnnotation = value.definition() .getAnnotation(ValidFileSystemResourceType.class); if (validFileSystemResourceTypeAnnotation != null) { if (validFileSystemResourceTypeAnnotation.value() == FileSystemResourceType.FOLDER) { treeViewer.addFilter(new ContainersOnlyViewerFilter()); } final FileExtensionsService fileExtensionsService = value.service(FileExtensionsService.class); if (fileExtensionsService != null) { final ExtensionBasedViewerFilter filter = new ExtensionBasedViewerFilter( fileExtensionsService.extensions()); treeViewer.addFilter(filter); final Listener listener = new Listener() { @Override public void handle(final Event event) { filter.change(fileExtensionsService.extensions()); treeViewer.refresh(); } }; fileExtensionsService.attach(listener); tree.addDisposeListener(new DisposeListener() { public void widgetDisposed(final DisposeEvent event) { fileExtensionsService.detach(listener); } }); } } treeViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(final DoubleClickEvent event) { final IStructuredSelection selection = (IStructuredSelection) event.getSelection(); if (selection != null) { final Object item = selection.getFirstElement(); if (treeViewer.getExpandedState(item)) { treeViewer.collapseToLevel(item, 1); } else { treeViewer.expandToLevel(item, 1); } } } }); treeViewer.setInput(ResourcesPlugin.getWorkspace()); this.decorator.addEditorControl(drillDown); this.decorator.addEditorControl(tree); final String val = value.text(); if (val != null) { final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); IPath path = new Path(val); IResource resource = root.findMember(val); while (resource == null) { path = path.removeLastSegments(1); resource = root.findMember(path); } if (resource instanceof IFile && validFileSystemResourceTypeAnnotation.value() == FileSystemResourceType.FOLDER) { resource = resource.getParent(); } treeViewer.setSelection(new StructuredSelection(resource)); } treeViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(final SelectionChangedEvent event) { final IStructuredSelection selection = (IStructuredSelection) event.getSelection(); String path = MiscUtil.EMPTY_STRING; if (selection != null && !selection.isEmpty()) { final IResource resource = (IResource) selection.getFirstElement(); path = resource.getFullPath().toPortableString(); if (path.startsWith("/") && path.length() > 1) { path = path.substring(1); } } textField.setText(path); } }); textField.setData(DATA_BINDING, this.binding); addControl(tree); }