| /******************************************************************************* |
| * Copyright (c) 2004, 2006 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.ui.internal.dialogs; |
| |
| import org.eclipse.jface.viewers.AbstractTreeViewer; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.ui.activities.WorkbenchActivityHelper; |
| import org.eclipse.ui.model.AdaptableList; |
| |
| /** |
| * Viewer filter designed to work with the new wizard page (and its input/content provider). |
| * This will filter all non-primary wizards that are not enabled by activity. |
| * |
| * @since 3.0 |
| */ |
| public class WizardActivityFilter extends ViewerFilter { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ViewerFilter#select(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) |
| */ |
| public boolean select(Viewer viewer, Object parentElement, Object element) { |
| Object[] children = ((ITreeContentProvider) ((AbstractTreeViewer) viewer) |
| .getContentProvider()).getChildren(element); |
| if (children.length > 0) { |
| return filter(viewer, element, children).length > 0; |
| } |
| |
| if (parentElement.getClass().equals(AdaptableList.class)) { |
| return true; //top-level ("primary") wizards should always be returned |
| } |
| |
| if (WorkbenchActivityHelper.filterItem(element)) { |
| return false; |
| } |
| |
| return true; |
| } |
| } |
