001 /** 002 * www.jcoverage.com 003 * Copyright (C)2003 jcoverage ltd. 004 * 005 * This file is part of jcoverage. 006 * 007 * jcoverage is free software; you can redistribute it and/or modify 008 * it under the terms of the GNU General Public License as published 009 * by the Free Software Foundation; either version 2 of the License, 010 * or (at your option) any later version. 011 * 012 * jcoverage is distributed in the hope that it will be useful, but 013 * WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * General Public License for more details. 016 * 017 * You should have received a copy of the GNU General Public License 018 * along with jcoverage; if not, write to the Free Software 019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 020 * USA 021 * 022 */ 023 package com.jcoverage.reporting.html; 024 025 026 import java.io.PrintWriter; 027 028 import org.apache.log4j.Logger; 029 030 import com.jcoverage.reporting.Column; 031 import com.jcoverage.reporting.FormattingContext; 032 import com.jcoverage.reporting.Line; 033 import com.jcoverage.reporting.Page; 034 035 /** 036 * 037 */ 038 public class PercentageRedGreenIndicator extends DefaultColumnRenderer implements ColumnRenderer { 039 040 static Logger logger=Logger.getLogger(PercentageRedGreenIndicator.class); 041 042 public PercentageRedGreenIndicator(String label) { 043 super(label); 044 } 045 046 public void renderField(FormattingContext ctx,PrintWriter writer,Column column,Line line,String href) { 047 int greenValue=((Integer)line.getField(column)).intValue(); 048 int redValue=100-greenValue; 049 050 String greenGifPath=ctx.getCollator().getPathToResource(ctx,"images/green.gif",getPage(line)); 051 String redGifPath=ctx.getCollator().getPathToResource(ctx,"images/red.gif",getPage(line)); 052 053 writer.print("<td>"); 054 writer.print(greenValue); 055 writer.print('%'); 056 writer.print(" "); 057 writer.print("<img src=\""+greenGifPath+"\" height=\"10\" width=\""+greenValue+"\"/>"); 058 writer.print("<img src=\""+redGifPath+"\" height=\"10\" width=\""+redValue+"\"/>"); 059 writer.println("</td>"); 060 } 061 062 public String getWidth() { 063 return "100"; 064 } 065 066 /** 067 * We need to find the location of the page we are generating. If 068 * our line has an owning page, we can use that, otherwise we must 069 * be the top-level line, which means we should use the detail 070 * page. It's a bit contrived, but should work for most situations. 071 */ 072 Page getPage(Line line) { 073 Page page=line.getOwner(); 074 if (page==null) { 075 page=line.getDetailPage(); 076 } 077 return page; 078 } 079 080 }