001 /* 002 Copyright (C) 2003 Laurent Martelli <laurent@aopsys.com> 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, but 010 WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public 015 License along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 017 USA */ 018 019 package org.objectweb.jac.aspects.gui.web; 020 021 import java.io.PrintWriter; 022 import java.util.List; 023 import java.util.Vector; 024 import org.objectweb.jac.core.NameRepository; 025 026 /** 027 * Selects objects from a collection with check boxes 028 */ 029 public class CollectionSelector extends AbstractView 030 implements JacRequestReader 031 { 032 Vector selection = new Vector(); 033 /** 034 * @param name the name for generated HTML <input> elements 035 */ 036 public CollectionSelector(String name) { 037 this.label = name; 038 } 039 040 NameRepository nameRepository = (NameRepository)NameRepository.get(); 041 042 /** 043 * Generate a checkbox for an item of the collection 044 */ 045 public void genHTML(PrintWriter out, Object object) { 046 out.print("<input type=\"checkbox\" name=\""+label+"\" "+ 047 "value=\""+nameRepository.getName(object)+"\""); 048 printAttributes(out); 049 out.println(">"); 050 } 051 052 public void readValue(JacRequest request) { 053 selection.clear(); 054 String[] names = (String[])request.getParameters(label); 055 if (names!=null) { 056 for (int i=0; i<names.length; i++) { 057 selection.add(nameRepository.getObject(names[i])); 058 } 059 } 060 } 061 062 public List getSelection() { 063 return selection; 064 } 065 } 066