001 package org.apache.myfaces.tobago.taglib.extension; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 import org.apache.commons.logging.Log; 021 import org.apache.commons.logging.LogFactory; 022 import org.apache.myfaces.tobago.apt.annotation.ExtensionTag; 023 import org.apache.myfaces.tobago.apt.annotation.Tag; 024 import org.apache.myfaces.tobago.taglib.component.GridLayoutTag; 025 import org.apache.myfaces.tobago.taglib.component.LabelTag; 026 import org.apache.myfaces.tobago.taglib.component.PanelTag; 027 import org.apache.myfaces.tobago.taglib.decl.HasTip; 028 import org.apache.myfaces.tobago.taglib.decl.HasValue; 029 import org.apache.myfaces.tobago.util.LayoutUtil; 030 031 import javax.faces.webapp.FacetTag; 032 import javax.faces.webapp.UIComponentTag; 033 import javax.servlet.jsp.JspException; 034 import javax.servlet.jsp.tagext.BodyTagSupport; 035 036 import static org.apache.myfaces.tobago.TobagoConstants.FACET_LAYOUT; 037 038 @Tag(name = "label") 039 @ExtensionTag(baseClassName = "org.apache.myfaces.tobago.taglib.component.LabelTag") 040 public class LabelExtensionTag extends BodyTagSupport 041 implements HasValue, HasTip { 042 043 private static final Log LOG = LogFactory.getLog(LabelExtensionTag.class); 044 045 public static final String DEFAULT_COLUMNS = "fixed;*"; 046 047 private String value; 048 private String tip; 049 private String rendered; 050 private String columns = DEFAULT_COLUMNS; 051 private String rows = "fixed"; 052 private String markup; 053 054 private PanelTag panelTag; 055 056 @Override 057 public int doStartTag() throws JspException { 058 059 panelTag = new PanelTag(); 060 panelTag.setPageContext(pageContext); 061 panelTag.setParent(getParent()); 062 if (rendered != null) { 063 panelTag.setRendered(rendered); 064 } 065 if (tip != null) { 066 panelTag.setTip(tip); 067 } 068 panelTag.doStartTag(); 069 070 FacetTag facetTag = new FacetTag(); 071 facetTag.setPageContext(pageContext); 072 facetTag.setName(FACET_LAYOUT); 073 facetTag.setParent(panelTag); 074 facetTag.doStartTag(); 075 076 GridLayoutTag gridLayoutTag = new GridLayoutTag(); 077 gridLayoutTag.setPageContext(pageContext); 078 gridLayoutTag.setColumns(columns); 079 gridLayoutTag.setRows(rows); 080 gridLayoutTag.setParent(facetTag); 081 gridLayoutTag.doStartTag(); 082 gridLayoutTag.doEndTag(); 083 084 facetTag.doEndTag(); 085 086 LabelTag labelTag = new LabelTag(); 087 labelTag.setPageContext(pageContext); 088 if (value != null) { 089 labelTag.setValue(value); 090 } 091 if (markup != null) { 092 labelTag.setMarkup(markup); 093 } 094 labelTag.setFor("@auto"); 095 labelTag.setParent(panelTag); 096 labelTag.doStartTag(); 097 labelTag.doEndTag(); 098 099 return super.doStartTag(); 100 } 101 102 @Override 103 public int doEndTag() throws JspException { 104 panelTag.doEndTag(); 105 return super.doEndTag(); 106 } 107 108 @Override 109 public void release() { 110 super.release(); 111 value = null; 112 tip = null; 113 rendered = null; 114 columns = DEFAULT_COLUMNS; 115 rows = "fixed"; 116 panelTag = null; 117 markup = null; 118 } 119 120 public void setValue(String value) { 121 this.value = value; 122 } 123 124 public void setTip(String tip) { 125 this.tip = tip; 126 } 127 128 public void setRendered(String rendered) { 129 this.rendered = rendered; 130 } 131 132 void setColumns(String columns) { 133 if (!(UIComponentTag.isValueReference(columns) || LayoutUtil.checkTokens(columns))) { 134 LOG.warn("Illegal value for columns = \"" + columns + "\" replacing with default: \"" + DEFAULT_COLUMNS + "\""); 135 this.columns = DEFAULT_COLUMNS; 136 } else { 137 this.columns = columns; 138 } 139 } 140 141 void setRows(String rows) { 142 this.rows = rows; 143 } 144 145 public void setMarkup(String markup) { 146 this.markup = markup; 147 } 148 }