| /******************************************************************************* |
| * Copyright (c) 2011 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.wst.sse.ui.internal.filter; |
| |
| import org.eclipse.jface.viewers.ContentViewer; |
| import org.eclipse.jface.viewers.IBaseLabelProvider; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| |
| /** |
| * The NamePatternFilter selects the elements which |
| * match the given string patterns. |
| * <p> |
| * The following characters have special meaning: |
| * ? => any character |
| * * => any string |
| * </p> |
| * |
| */ |
| public class OutlineNamePatternFilter extends ViewerFilter { |
| private String[] fPatterns; |
| private StringMatcher[] fMatchers; |
| |
| |
| /** |
| * Gets the patterns for the receiver. |
| * @return returns the patterns to be filtered for |
| */ |
| public String[] getPatterns() { |
| return fPatterns; |
| } |
| |
| |
| /* (non-Javadoc) |
| * Method declared on ViewerFilter. |
| */ |
| public boolean select(Viewer viewer, Object parentElement, Object element) { |
| if (getPatterns().length == 0) { |
| return true; |
| } |
| String matchName= null; |
| if (viewer instanceof ContentViewer){ |
| final IBaseLabelProvider labelProvider = ((ContentViewer) viewer).getLabelProvider(); |
| if (labelProvider instanceof ILabelProvider) { |
| matchName = ((ILabelProvider) labelProvider).getText(element); |
| } |
| } |
| if (matchName != null && matchName.length() > 0) { |
| String[] fPatterns = getPatterns(); |
| for (int i = 0; i < fPatterns.length; i++) { |
| if (new StringMatcher(fPatterns[i], true, false).match(matchName)) |
| return false; |
| } |
| return true; |
| } |
| return true; |
| } |
| |
| /** |
| * Sets the patterns to filter out for the receiver. |
| * <p> |
| * The following characters have special meaning: |
| * ? => any character |
| * * => any string |
| * </p> |
| * @param newPatterns the new patterns |
| */ |
| public void setPatterns(String[] newPatterns) { |
| fPatterns = newPatterns; |
| fMatchers = new StringMatcher[newPatterns.length]; |
| for (int i = 0; i < newPatterns.length; i++) { |
| //Reset the matchers to prevent constructor overhead |
| fMatchers[i]= new StringMatcher(newPatterns[i], true, false); |
| } |
| } |
| } |