| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.taverna.workbench.ui.servicepanel.tree; |
| |
| import javax.swing.tree.DefaultMutableTreeNode; |
| |
| public class MyFilter implements Filter { |
| private static final String HTML_MATCH_END = "</font><font color=\"black\">"; |
| private static final String HTML_MATCH_START = "</font><font color=\"red\">"; |
| private static final String HTML_POSTFIX = "</font></html>"; |
| private static final String HTML_PREFIX = "<html><font color=\"black\">"; |
| |
| private String filterString; |
| private boolean superseded; |
| private String filterLowerCase; |
| |
| public MyFilter(String filterString) { |
| this.filterString = filterString; |
| this.filterLowerCase = filterString.toLowerCase(); |
| this.superseded = false; |
| } |
| |
| private boolean basicFilter(DefaultMutableTreeNode node) { |
| if (filterString.isEmpty()) |
| return true; |
| return node.getUserObject().toString().toLowerCase() |
| .contains(filterLowerCase); |
| } |
| |
| @Override |
| public boolean pass(DefaultMutableTreeNode node) { |
| return basicFilter(node); |
| } |
| |
| @Override |
| public String filterRepresentation(String original) { |
| StringBuilder sb = new StringBuilder(HTML_PREFIX); |
| int from = 0; |
| String originalLowerCase = original.toLowerCase(); |
| int index = originalLowerCase.indexOf(filterLowerCase, from); |
| while (index > -1) { |
| sb.append(original.substring(from, index)); |
| sb.append(HTML_MATCH_START); |
| sb.append(original.substring(index, |
| index + filterLowerCase.length())); |
| sb.append(HTML_MATCH_END); |
| from = index + filterLowerCase.length(); |
| index = originalLowerCase.indexOf(filterLowerCase, from); |
| } |
| if (from < original.length()) |
| sb.append(original.substring(from, original.length())); |
| return sb.append(HTML_POSTFIX).toString(); |
| } |
| |
| /** |
| * @return the superseded |
| */ |
| @Override |
| public boolean isSuperseded() { |
| return superseded; |
| } |
| |
| /** |
| * @param superseded |
| * the superseded to set |
| */ |
| @Override |
| public void setSuperseded(boolean superseded) { |
| this.superseded = superseded; |
| } |
| } |
