| /******************************************************************************* |
| * 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.ant.internal.ui.model; |
| |
| import org.apache.tools.ant.Target; |
| import org.eclipse.jface.viewers.CheckboxTableViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| |
| |
| public class InternalTargetFilter extends ViewerFilter { |
| |
| private int fFiltered= 0; |
| /** |
| * Returns whether the given target is an internal target. Internal |
| * targets are targets which have no description. The default target |
| * is never considered internal. |
| */ |
| public boolean select(Viewer viewer, Object parentElement, Object element) { |
| boolean result= true; |
| if (viewer instanceof CheckboxTableViewer) { |
| if (((CheckboxTableViewer)viewer).getChecked(element)) { |
| //do not filter out (selected) checked items |
| return true; |
| } |
| } |
| if (element instanceof AntTargetNode) { |
| Target target= ((AntTargetNode)element).getTarget(); |
| result= target.getDescription() != null || ((AntTargetNode)element).isDefaultTarget(); |
| } |
| if (!result) { |
| fFiltered++; |
| } |
| return result; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ViewerFilter#filter(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object[]) |
| */ |
| public Object[] filter(Viewer viewer, Object parent, Object[] elements) { |
| fFiltered= 0; |
| return super.filter(viewer, parent, elements); |
| } |
| |
| public int getNumberOfTargetsFiltered() { |
| return fFiltered; |
| } |
| } |