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.schwiebert.cloudio.CloudOptionsComposite.java
License:Open Source License
protected Group addColorButtons(final Composite parent) { Group buttons = new Group(parent, SWT.SHADOW_IN); buttons.setLayout(new GridLayout(2, false)); buttons.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false)); Label l = new Label(buttons, SWT.NONE); l.setText("Colors"); GridData gd = new GridData(); gd.horizontalSpan = 2;/*from w w w . j a v a 2 s. c om*/ l.setLayoutData(gd); final TreeViewer tv = new TreeViewer(buttons); Composite comp = new Composite(buttons, SWT.NONE); comp.setLayout(new RowLayout(SWT.VERTICAL)); comp.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, true)); tv.getTree().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); ListContentProvider cp = new ListContentProvider(); tv.setContentProvider(cp); tv.setLabelProvider(new ColumnLabelProvider() { private Map<Object, Image> images = new HashMap<Object, Image>(); @Override public Image getImage(Object element) { Image image = images.get(element); if (image == null) { Color color = new Color(Display.getDefault(), (RGB) element); image = new Image(Display.getDefault(), 24, 24); GC gc = new GC(image); gc.setBackground(color); gc.fillRoundRectangle(0, 0, 24, 24, 3, 3); color.dispose(); gc.dispose(); images.put(element, image); } return image; } @Override public void dispose() { Collection<Image> images = this.images.values(); for (Image image : images) { image.dispose(); } this.images.clear(); } }); initColors(); tv.setInput(colors); Button add = new Button(comp, SWT.FLAT); add.setImage(Activator.getDefault().getImageRegistry().get(Activator.ADD)); add.setToolTipText("Add color..."); add.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { ColorDialog cd = new ColorDialog(parent.getShell()); RGB color = cd.open(); if (color != null) { colors.add(color); tv.setInput(colors); updateColors(); } } @Override public void widgetDefaultSelected(SelectionEvent e) { } }); Button remove = new Button(comp, SWT.FLAT); remove.setToolTipText("Remove selected colors"); remove.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { IStructuredSelection selection = (IStructuredSelection) tv.getSelection(); colors.removeAll(selection.toList()); tv.setInput(colors); updateColors(); } @Override public void widgetDefaultSelected(SelectionEvent e) { } }); remove.setImage(Activator.getDefault().getImageRegistry().get(Activator.REMOVE)); Button toggle = new Button(comp, SWT.FLAT); toggle.setToolTipText("Toggle Colors"); toggle.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { nextColors(); tv.setInput(colors); updateColors(); } @Override public void widgetDefaultSelected(SelectionEvent e) { } }); toggle.setImage(Activator.getDefault().getImageRegistry().get(Activator.TOGGLE_COLORS)); comp = new Composite(buttons, SWT.NONE); gd = new GridData(SWT.FILL, SWT.FILL, true, false); gd.horizontalSpan = 2; comp.setLayout(new GridLayout(2, true)); comp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); Button bg = new Button(comp, SWT.NONE); bg.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); bg.setText("Background Color"); bg.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { ColorDialog cd = new ColorDialog(parent.getShell()); RGB color = cd.open(); if (color == null) return; Color old = viewer.getCloud().getBackground(); Color c = new Color(Display.getDefault(), color); viewer.getCloud().setBackground(c); old.dispose(); viewer.getCloud().redrawTextLayerImage(); } @Override public void widgetDefaultSelected(SelectionEvent e) { } }); Button sel = new Button(comp, SWT.NONE); sel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); sel.setText("Selection Color"); sel.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { ColorDialog cd = new ColorDialog(parent.getShell()); RGB color = cd.open(); if (color == null) return; Color old = viewer.getCloud().getSelectionColor(); Color c = new Color(Display.getDefault(), color); viewer.getCloud().setSelectionColor(c); old.dispose(); viewer.getCloud().redrawTextLayerImage(); } @Override public void widgetDefaultSelected(SelectionEvent e) { } }); return buttons; }
From source file:org.splevo.ui.refinementbrowser.RefinementDetailsView.java
License:Open Source License
/** * initialize the context menu./*from w ww. java2s . co m*/ * * DesignDecision Menu created programaticaly instead of extension point to prevent context menu * mess up by other plugins. * * DesignDecision Reused command for common look and feel of context menu item for complete * application * * @param viewer * The viewer to register menu for. * @param site * The workbench part to link the selection provider. */ private void initContextMenu(final TreeViewer viewer, IWorkbenchPartSite site) { MenuManager menuManager = new MenuManager(); menuManager.setRemoveAllWhenShown(true); menuManager.addMenuListener(new IMenuListener() { @Override public void menuAboutToShow(IMenuManager manager) { IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); if (!selection.isEmpty() && selection.getFirstElement() instanceof Refinement) { Action action = new RenameRefinementAction(viewer); manager.add(action); action = new RefinementEditDescriptionAction(viewer); manager.add(action); } } }); menuManager.addMenuListener(new CommandActionMenuListener(COMMAND_ID_OPENSOURCELOCATION, SPLevoUIPlugin.getImageDescriptor("icons/jcu_obj.gif"))); menuManager.addMenuListener(new CommandActionMenuListener(COMMAND_ID_OPENSOURCELOCATIONDIFF, SPLevoUIPlugin.getImageDescriptor("icons/unifieddiff-editor.gif"))); menuManager.addMenuListener(new CommandActionMenuListener("org.splevo.ui.commands.argouml.variantscan", SPLevoUIPlugin.getImageDescriptor("icons/kopl_circle_only.png"))); Menu menu = menuManager.createContextMenu(viewer.getTree()); viewer.getTree().setMenu(menu); site.setSelectionProvider(viewer); }
From source file:org.spotter.eclipse.ui.handlers.DeleteHandler.java
License:Apache License
private Iterator<?> getSelectionIterator() { Activator activator = Activator.getDefault(); TreeViewer viewer = activator.getNavigatorViewer(); if (viewer == null) { return null; }//from www . j a v a 2s.c o m IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); return selection.isEmpty() ? null : selection.iterator(); }
From source file:org.spotter.eclipse.ui.handlers.DuplicateHandler.java
License:Apache License
@Override public Object execute(ExecutionEvent event) throws ExecutionException { Activator activator = Activator.getDefault(); TreeViewer viewer = activator.getNavigatorViewer(); if (viewer == null) { return null; }// ww w. j a v a2s .c o m IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); Iterator<?> iter = selection.iterator(); while (iter.hasNext()) { SpotterUtils.duplicateNavigatorElement(iter.next()); } return null; }
From source file:org.spotter.eclipse.ui.handlers.DuplicateHandler.java
License:Apache License
/** * Returns <code>true</code> when exactly one duplicatable is selected. * //from ww w . j a va 2 s . c o m * @return <code>true</code> when exactly one duplicatable is selected */ @Override public boolean isEnabled() { Activator activator = Activator.getDefault(); TreeViewer viewer = activator.getNavigatorViewer(); if (viewer == null) { return false; } IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); if (selection.size() != 1) { return false; } // check if selected element is duplicatable Object element = selection.iterator().next(); boolean isDuplicatable = (element instanceof IDuplicatable); return isDuplicatable; }
From source file:org.spotter.eclipse.ui.handlers.OpenHandler.java
License:Apache License
@Override public Object execute(ExecutionEvent event) throws ExecutionException { Activator activator = Activator.getDefault(); TreeViewer viewer = activator.getNavigatorViewer(); if (viewer == null) { return null; }/* w ww.j a v a 2s .c om*/ IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); Iterator<?> iter = selection.iterator(); while (iter.hasNext()) { SpotterUtils.openNavigatorElement(iter.next()); } return null; }
From source file:org.spotter.eclipse.ui.handlers.OpenHandler.java
License:Apache License
/** * Returns <code>true</code> if only elements are selected that are * openable.//from w ww . j a va 2s . c o m * * @return <code>true</code> if only elements are selected that are openable */ @Override public boolean isEnabled() { Activator activator = Activator.getDefault(); TreeViewer viewer = activator.getNavigatorViewer(); if (viewer == null) { return false; } IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); if (selection.isEmpty()) { return false; } Iterator<?> iter = selection.iterator(); while (iter.hasNext()) { if (!(iter.next() instanceof IOpenableProjectElement)) { return false; } } return true; }
From source file:org.springframework.ide.eclipse.boot.dash.cloudfoundry.deployment.DeploymentPropertiesDialog.java
License:Open Source License
private ITreeSelection getStructuredSelection(TreeViewer treeViewer) { ISelection selection = treeViewer.getSelection(); if (selection instanceof ITreeSelection) { return (ITreeSelection) selection; }/*from w w w . j a v a 2 s . co m*/ throw new ClassCastException( "AbstractTreeViewer should return an instance of ITreeSelection from its getSelection() method."); //$NON-NLS-1$ }
From source file:org.springframework.tooling.ls.eclipse.gotosymbol.dialogs.GotoSymbolDialog.java
License:Open Source License
/** * Determine the 'target' for the dialog's action. *//*w w w . j a va 2 s . co m*/ private SymbolInformation getTarget(TreeViewer list) { ISelection sel = list.getSelection(); if (sel instanceof IStructuredSelection) { IStructuredSelection ss = (IStructuredSelection) sel; Object selected = ss.getFirstElement(); if (selected instanceof Match) { SymbolInformation si = getSymbolInformation((Match<?>) selected); if (si != null) { return si; } } } //No element selected, target the first element in the list instead. //This allows user to execute the action without explicitly selecting an element. return getFirstElement(list); }
From source file:org.springframework.tooling.ls.eclipse.gotosymbol.dialogs.GotoSymbolDialog.java
License:Open Source License
private void installWidgetListeners(Text pattern, TreeViewer list) { pattern.addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent e) { if (e.keyCode == SWT.ARROW_DOWN) { if (list.getTree().getItemCount() > 0) { list.getTree().setFocus(); TreeItem[] items = list.getTree().getItems(); if (items != null && items.length > 0) { list.getTree().setSelection(items[0]); //programatic selection may not fire selection events so... list.getTree().notifyListeners(SWT.Selection, new Event()); }/*from ww w . ja v a2s.c om*/ } } else if (e.character == '\r') { performOk(list); } } }); list.getTree().addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent e) { if (e.keyCode == SWT.ARROW_UP && (e.stateMask & SWT.SHIFT) == 0 && (e.stateMask & SWT.CTRL) == 0) { StructuredSelection selection = (StructuredSelection) list.getSelection(); if (selection.size() == 1) { Object element = selection.getFirstElement(); if (element.equals(getFirstElement(list))) { pattern.setFocus(); list.setSelection(new StructuredSelection()); list.getTree().notifyListeners(SWT.Selection, new Event()); } } } else if (e.character == '\r') { performOk(list); } // if (e.keyCode == SWT.ARROW_DOWN // && (e.stateMask & SWT.SHIFT) != 0 // && (e.stateMask & SWT.CTRL) != 0) { // // list.getTree().notifyListeners(SWT.Selection, new Event()); // } } }); list.addDoubleClickListener(e -> performOk(list)); }