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1
64
65 package com.jcorporate.expresso.ext.taglib;
66
67
72
73 import com.jcorporate.expresso.core.controller.ControllerElement;
74 import com.jcorporate.expresso.core.controller.Input;
75 import com.jcorporate.expresso.kernel.util.FastStringBuffer;
76
77 import javax.servlet.jsp.JspTagException  ;
78 import javax.servlet.jsp.JspWriter ;
79 import javax.servlet.jsp.tagext.Tag ;
80
81
82
85 public class LabelTag
86 extends ExpressoTagSupport {
87 private ControllerElement oneElement = null;
88 private java.lang.String name = null;
89 private java.lang.String type = null;
90 private java.lang.String nameToUse = null;
91
92 public LabelTag() {
93 super();
94 }
95
96 public int doStartTag() throws javax.servlet.jsp.JspException {
97 nameToUse = null;
98 oneElement = null;
99 return EVAL_BODY_INCLUDE;
100 }
101
102
103 public int doEndTag()
104 throws javax.servlet.jsp.JspTagException {
105 nameToUse = name;
106 getControllerResponse();
107
108 try {
109 Tag container = getContainer();
110
111 if (container == null) {
112 if (getType().equalsIgnoreCase("action")) {
113 oneElement = ctlrResp.getTransition(getName());
114 } else if (getType().equalsIgnoreCase("block")) {
115 oneElement = ctlrResp.getBlock(getName());
116 } else if (getType().equalsIgnoreCase("input")) {
117 oneElement = ctlrResp.getInput(getName());
118 } else if (getType().equalsIgnoreCase("output")) {
119 oneElement = ctlrResp.getOutput(getName());
120 }
121 } else {
122 if (container instanceof ElementIterator) {
123 oneElement = ((ElementIterator) container).getElement();
124 nameToUse = oneElement.getName();
125 } else if (container instanceof BlockTag) {
126 oneElement = ((BlockTag) container).getBlock().getContent(getName());
127 } else {
128 throw new JspTagException ("IfElementExistsTag: cannot handle container tag" +
129 container.getClass().getName());
130 }
131 }
132 if (oneElement != null) {
133 JspWriter writer = pageContext.getOut();
134 String cssStyle = oneElement.getAttribute(Input.ATTRIBUTE_CSS_STYLE);
135 boolean printStyle = (cssStyle != null && cssStyle.length() > 0);
136 if (printStyle) {
137 FastStringBuffer fsb = FastStringBuffer.getInstance();
138 try {
139 fsb.append("<div class=\"");
140 fsb.append(cssStyle);
141 fsb.append("\">");
142 writer.print(fsb.toString());
143 } finally {
144 fsb.release();
145 }
146
147 }
148 writer.print(oneElement.getLabel());
149 if (printStyle) {
150 writer.print("</div>");
151 }
152 } else {
153 throw new JspTagException ("No element found");
154 }
155 } catch (Exception e) {
156 throw new JspTagException ("Label tag Error: " + e.getMessage());
157 }
158
159 return EVAL_PAGE;
160 }
161
162 public java.lang.String getName() {
163 return nameToUse;
164 }
165
166 public java.lang.String getType() {
167 return type;
168 }
169
170 public void setName(java.lang.String newName) {
171 name = newName;
172 }
173
174 public void setType(java.lang.String newType) {
175 type = newType;
176 }
177 }
178
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