| /******************************************************************************* |
| * Copyright (C) 2007-2009 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.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| private boolean superseded; |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superseded = false; |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; |
| } |
| } |
