| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.views.breakpoints; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.IBreakpointManager; |
| import org.eclipse.debug.core.model.IBreakpoint; |
| import org.eclipse.jface.viewers.CheckboxTreeViewer; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.swt.widgets.Item; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.swt.widgets.TreeItem; |
| import org.eclipse.swt.widgets.Widget; |
| |
| /** |
| * Breakpoints viewer. |
| */ |
| public class BreakpointsViewer extends CheckboxTreeViewer { |
| |
| /** |
| * Constructs a new breakpoints viewer with the given tree. |
| * |
| * @param tree |
| */ |
| public BreakpointsViewer(Tree tree) { |
| super(tree); |
| } |
| |
| /** |
| * Returns the selected items. |
| * |
| * @return seleted items |
| */ |
| public Item[] getSelectedItems() { |
| return getSelection(getControl()); |
| } |
| |
| /** |
| * Returns the item assocaited with the given element, or <code>null</code>. |
| * |
| * @param element element in breakpoints view |
| * @return item assocaited with the given element, or <code>null</code> |
| */ |
| public Widget searchItem(Object element) { |
| return findItem(element); |
| } |
| |
| /** |
| * Refreshes the given item in the tree. |
| * |
| * @param item item to refresh |
| */ |
| public void refreshItem(TreeItem item) { |
| updateItem(item, item.getData()); |
| } |
| |
| /** |
| * Returns a collection of currently visible breakpoints. |
| * |
| * @return collection of currently visible breakpoints |
| */ |
| public IBreakpoint[] getVisibleBreakpoints() { |
| IBreakpointManager manager= DebugPlugin.getDefault().getBreakpointManager(); |
| Object[] elements= ((ITreeContentProvider)getContentProvider()).getElements(manager); |
| List list = new ArrayList(); |
| for (int i = 0; i < elements.length; i++) { |
| TreeItem item = (TreeItem) searchItem(elements[i]); |
| if (item != null) { |
| collectExpandedBreakpoints(item, list); |
| } |
| } |
| return (IBreakpoint[]) list.toArray(new IBreakpoint[list.size()]); |
| } |
| |
| /** |
| * Adds expanded breakpoints to the list. Traverses children of the given |
| * tree item if any. |
| * |
| * @param item |
| * @param list collection of visible breakpoints |
| */ |
| private void collectExpandedBreakpoints(TreeItem item, List list) { |
| Object data = item.getData(); |
| if (data instanceof IBreakpoint) { |
| list.add(data); |
| return; |
| } |
| if (item.getExpanded()) { |
| TreeItem[] items = item.getItems(); |
| for (int i = 0; i < items.length; i++) { |
| collectExpandedBreakpoints(items[i], list); |
| } |
| } |
| } |
| |
| /** |
| * Sets the selection to a specific tree item |
| * |
| * @param item |
| */ |
| protected void setSelection(TreeItem item) { |
| getTree().setSelection(new TreeItem[]{item}); |
| updateSelection(getSelection()); |
| } |
| } |