/* Copyright 2004 Sun Microsystems, Inc. All rights reserved.  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:  - Redistributions of source code must retain the above copyright   notice, this list of conditions and the following disclaimer.  - Redistribution in binary form must reproduce the above copyright   notice, this list of conditions and the following disclaimer in   the documentation and/or other materials provided with the   distribution.  Neither the name of Sun Microsystems, Inc. or the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission.  This software is provided "AS IS," without a warranty of any kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.  You acknowledge that Software is not designed, licensed or intended for use in the design, construction, operation or maintenance of any nuclear facility. $Id: SelectTag.java,v 1.1 2004/04/15 03:43:55 yutayoshida Exp $ */package com.sun.j2ee.blueprints.waf.view.taglibs.smart;import java.io.*;import java.util.*;import javax.servlet.jsp.*;import javax.servlet.jsp.tagext.*;/** * HTML 'select' tag.  * By default @param isEditable is set to true. This tag contains * a set of OptionTags in it's body which while look up this tag * and add the options. This tag allows you to just display the * OptionTag that is selcted when @param isEditable is set to false * otherwise the selected item is pre-selected in the page. */public class SelectTag extends BodyTagSupport {    private ArrayList options = null;    private String selectedValue = null;    private int size = 0;    private String name = null;    private String onChange = null;    private boolean isEditable = true;    private String id = null;    public void setSelectedValue(String sv) { selectedValue = sv; }    public void setSize(int s) { size = s; }        public void setName(String n) { name = n; }        public void setOnChange(String oc) { onChange = oc;}    public void setEditable(boolean e) { isEditable = e; }       public void setId(String id) { this.id = id; }    public void putOption(String value, String text) {        options.add(new OptionItem(value, text));    }    public int doStartTag() throws JspTagException {        options = new ArrayList();        return EVAL_BODY_BUFFERED;    }    public int doEndTag() throws JspTagException {         try {            StringBuffer html = new StringBuffer();                        if (isEditable) {                html.append("<select");                if (onChange != null) {                     html.append(" onChange=\"" + onChange + "\" ");                }                html.append(id != null ? (" id=\"" + id + "\"") : "");                html.append(size > 0 ? (" size=\"" + size + "\"") : "");                html.append(" name=\"" + name + "\">");                Iterator it = options.iterator();                while (it.hasNext()) {                    OptionItem item = (OptionItem) it.next();                    String value = item.getName();                    String text = item.getValue();                    html.append("<option value=\"" + value + "\"");                    html.append(value.equals(selectedValue)  ? " selected>" : ">");                    html.append(text);                    html.append("</option>");                }                html.append("</select>");            } else {                OptionItem item = getItem(selectedValue);                if (item != null) {                    html.append(item.getValue());                }            }            pageContext.getOut().print(html.toString());            options = null;            name = null;            onChange = null;            selectedValue = null;            id = null;            size = 0;            isEditable = true;            return EVAL_PAGE;         } catch (IOException e) {            throw new JspTagException("SelectTag: " + e.getMessage());        }    }        private OptionItem getItem(String key) {          Iterator it = options.iterator();          while (it.hasNext()) {              OptionItem item = (OptionItem) it.next();              if (item.getName().equals(key)) return item;          }          return null;        }    /*     *  Holds an Option for this tag     */    private class OptionItem {        private String name;        private String value;                public OptionItem (String name, String value) {            this.name = name;            this.value = value;                    }                public String getName() {            return name;        }                public String getValue() {            return value;        }    }}