| /******************************************************************************* |
| * 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.jdt.internal.ui.filters; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IAdaptable; |
| |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| |
| import org.eclipse.jdt.internal.ui.util.StringMatcher; |
| |
| /** |
| * The NamePatternFilter selects the elements which |
| * match the given string patterns. |
| * <p> |
| * The following characters have special meaning: |
| * ? => any character |
| * * => any string |
| * </p> |
| * |
| * @since 2.0 |
| */ |
| public class NamePatternFilter extends ViewerFilter { |
| private String[] fPatterns; |
| private StringMatcher[] fMatchers; |
| |
| /** |
| * Return the currently configured StringMatchers. |
| */ |
| private StringMatcher[] getMatchers() { |
| return fMatchers; |
| } |
| |
| /** |
| * Gets the patterns for the receiver. |
| */ |
| public String[] getPatterns() { |
| return fPatterns; |
| } |
| |
| |
| /* (non-Javadoc) |
| * Method declared on ViewerFilter. |
| */ |
| public boolean select(Viewer viewer, Object parentElement, Object element) { |
| String matchName= null; |
| if (element instanceof IJavaElement) { |
| matchName= ((IJavaElement) element).getElementName(); |
| } else if (element instanceof IAdaptable) { |
| IAdaptable adaptable= (IAdaptable) element; |
| IJavaElement javaElement= (IJavaElement)adaptable.getAdapter(IJavaElement.class); |
| if (javaElement != null) |
| matchName= javaElement.getElementName(); |
| else { |
| IResource resource= (IResource)adaptable.getAdapter(IResource.class); |
| if (resource != null) |
| matchName= resource.getName(); |
| } |
| } |
| if (matchName != null) { |
| StringMatcher[] testMatchers= getMatchers(); |
| for (int i = 0; i < testMatchers.length; i++) { |
| if (testMatchers[i].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> |
| */ |
| 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); |
| } |
| } |
| } |