SelectTag.java |
/* * Copyright 2002 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. */ package com.sun.j2ee.blueprints.waf.view.taglibs.smart; import javax.servlet.jsp.JspTagException; import javax.servlet.jsp.tagext.BodyTagSupport; import javax.servlet.jsp.tagext.BodyContent; import java.io.IOException; import java.util.*; /** * HTML 'select' tag. */ public class SelectTag extends BodyTagSupport { Map options = new TreeMap(); String selectedValue = null; int size = 0; String name = null; boolean isEditable = true; public void setSelectedValue(String sv) { selectedValue = sv; } public void setSize(int s) { size = s; } public void setName(String n) { name = n; } public void setEditable(boolean e) { isEditable = e; } public void putOption(String value, String text) { options.put(value, text); } public int doStartTag() throws JspTagException { return EVAL_BODY_BUFFERED; } public int doEndTag() throws JspTagException { try { StringBuffer html = new StringBuffer(); if (isEditable) { html.append("<select"); html.append(size > 0 ? (" size=\"" + size + "\"") : ""); html.append(" name=\"" + name + "\">"); Iterator it = options.keySet().iterator(); while (it.hasNext()) { String value = (String) it.next(); String text = (String) options.get(value); html.append("<option value=\"" + value + "\""); html.append(value.equals(selectedValue) ? " selected>" : ">"); html.append(text); html.append("</option>"); } html.append("</select>"); } else { html.append(options.get(selectedValue).toString()); } pageContext.getOut().print(html.toString()); return EVAL_PAGE; } catch (IOException e) { throw new JspTagException("LinkTag: " + e.getMessage()); } finally{ // reset options = null; options = new TreeMap(); selectedValue = null; size = 0; name = null; isEditable = true; } } }
SelectTag.java |