| /******************************************************************************* |
| * Copyright (c) 2005, 2012 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.bpel.ui.util.filedialog; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| |
| public class ViewerFileFilter extends ViewerFilter { |
| |
| private String[] patterns; |
| |
| static String COMMA_SEPARATOR = ","; //$NON-NLS-1$ |
| |
| public ViewerFileFilter() { |
| this(null); |
| } |
| /** |
| * Creates a new resource pattern filter. |
| */ |
| public ViewerFileFilter(String patterns) { |
| super(); |
| |
| if (patterns != null) { |
| //Get the strings separated by a comma and filter them from the currently |
| //defined ones |
| StringTokenizer entries = new StringTokenizer(patterns, COMMA_SEPARATOR); |
| List localPatterns = new ArrayList(); |
| |
| while (entries.hasMoreElements()) { |
| String nextToken = entries.nextToken(); |
| if (patterns.indexOf(nextToken) > -1) |
| localPatterns.add(nextToken); |
| } |
| |
| //Convert to an array of Strings |
| String[] patternArray = new String[localPatterns.size()]; |
| localPatterns.toArray(patternArray); |
| setPatterns(patternArray); |
| } |
| } |
| /** |
| * Return the currently configured StringMatchers. If there aren't any look |
| * them up. |
| */ |
| @Override |
| public boolean select(Viewer viewer, Object parentElement, Object element) { |
| IResource resource = null; |
| if (element instanceof IFile) { |
| resource = (IFile) element; |
| } |
| else |
| return true; |
| if (resource != null) { |
| String name = resource.getName(); |
| for (int i = 0; i < patterns.length; i++) { |
| if (name.endsWith(patterns[i])) |
| return true; |
| } |
| return false; |
| } |
| return true; |
| } |
| /** |
| * Sets the patterns to filter out for the receiver. |
| */ |
| public void setPatterns(String[] newPatterns) { |
| |
| this.patterns = newPatterns; |
| } |
| } |