| /******************************************************************************* |
| * Copyright (c) 2000, 2017 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.ui.callhierarchy; |
| |
| import org.eclipse.dltk.internal.corext.callhierarchy.MethodWrapper; |
| import org.eclipse.jface.action.IMenuListener; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.KeyListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.ui.IWorkbenchPartSite; |
| |
| |
| class CallHierarchyViewer extends TreeViewer { |
| private CallHierarchyViewPart fPart; |
| |
| private OpenLocationAction fOpen; |
| |
| private CallHierarchyContentProvider fContentProvider; |
| |
| /** |
| * @param parent |
| */ |
| CallHierarchyViewer(Composite parent, CallHierarchyViewPart part) { |
| super(new Tree(parent, SWT.MULTI)); |
| |
| fPart = part; |
| |
| getControl().setLayoutData(new GridData(GridData.FILL_BOTH)); |
| setUseHashlookup(true); |
| setAutoExpandLevel(2); |
| fContentProvider = new CallHierarchyContentProvider(fPart); |
| setContentProvider(fContentProvider); |
| setLabelProvider(new CallHierarchyLabelProvider()); |
| |
| fOpen= new OpenLocationAction(part, part.getSite()); |
| addOpenListener(event -> fOpen.run()); |
| |
| clearViewer(); |
| } |
| |
| /** |
| * @param wrapper |
| */ |
| void setMethodWrapper(MethodWrapper wrapper) { |
| setInput(getTreeRoot(wrapper)); |
| |
| setFocus(); |
| setSelection(new StructuredSelection(wrapper), true); |
| } |
| |
| CallHierarchyViewPart getPart() { |
| return fPart; |
| } |
| |
| /** |
| * |
| */ |
| void setFocus() { |
| getControl().setFocus(); |
| } |
| |
| boolean isInFocus() { |
| return getControl().isFocusControl(); |
| } |
| |
| /** |
| * @param keyListener |
| */ |
| void addKeyListener(KeyListener keyListener) { |
| getControl().addKeyListener(keyListener); |
| } |
| |
| /** |
| * Wraps the root of a MethodWrapper tree in a dummy root in order to show |
| * it in the tree. |
| * |
| * @param root The root of the MethodWrapper tree. |
| * @return A new MethodWrapper which is a dummy root above the specified root. |
| */ |
| private TreeRoot getTreeRoot(MethodWrapper root) { |
| TreeRoot dummyRoot = new TreeRoot(root); |
| |
| return dummyRoot; |
| } |
| |
| /** |
| * Attaches a contextmenu listener to the tree |
| */ |
| void initContextMenu(IMenuListener menuListener, IWorkbenchPartSite viewSite, ISelectionProvider selectionProvider) { |
| MenuManager menuMgr= new MenuManager(); |
| menuMgr.setRemoveAllWhenShown(true); |
| menuMgr.addMenuListener(menuListener); |
| Menu menu= menuMgr.createContextMenu(getTree()); |
| getTree().setMenu(menu); |
| viewSite.registerContextMenu(menuMgr, selectionProvider); |
| } |
| |
| /** |
| * |
| */ |
| void clearViewer() { |
| setInput(TreeRoot.EMPTY_ROOT); |
| } |
| |
| void cancelJobs() { |
| if (fPart == null) |
| return; |
| fContentProvider.cancelJobs(fPart.getCurrentMethodWrapper()); |
| } |
| } |