|
1
16 package org.apache.myfaces.renderkit.html;
17
18 import java.io.IOException  ;
19 import java.util.Iterator ;
20 import java.util.List ;
21
22 import javax.faces.FacesException;
23 import javax.faces.component.UIComponent;
24 import javax.faces.component.UIInput;
25 import javax.faces.component.UIOutput;
26 import javax.faces.component.UISelectOne;
27 import javax.faces.component.html.HtmlSelectOneRadio;
28 import javax.faces.context.FacesContext;
29 import javax.faces.context.ResponseWriter;
30 import javax.faces.convert.Converter;
31 import javax.faces.convert.ConverterException;
32 import javax.faces.model.SelectItem;
33
34 import org.apache.commons.logging.Log;
35 import org.apache.commons.logging.LogFactory;
36 import org.apache.myfaces.renderkit.JSFAttr;
37 import org.apache.myfaces.renderkit.RendererUtils;
38
39
92 public class HtmlRadioRendererBase
93 extends HtmlRenderer
94 {
95 private static final Log log = LogFactory.getLog(HtmlRadioRendererBase.class);
96
97 private static final String PAGE_DIRECTION = "pageDirection";
98 private static final String LINE_DIRECTION = "lineDirection";
99
100 public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException
101 {
102 RendererUtils.checkParamValidity(facesContext, uiComponent, UISelectOne.class);
103
104 UISelectOne selectOne = (UISelectOne)uiComponent;
105
106 String layout = getLayout(selectOne);
107
108 boolean pageDirectionLayout = false; if (layout != null)
110 {
111 if (layout.equals(PAGE_DIRECTION))
112 {
113 pageDirectionLayout = true;
114 }
115 else if (layout.equals(LINE_DIRECTION))
116 {
117 pageDirectionLayout = false;
118 }
119 else
120 {
121 log.error("Wrong layout attribute for component " + selectOne.getClientId(facesContext) + ": " + layout);
122 }
123 }
124
125 ResponseWriter writer = facesContext.getResponseWriter();
126
127 writer.startElement(HTML.TABLE_ELEM, selectOne);
128 HtmlRendererUtils.renderHTMLAttributes(writer, selectOne,
129 HTML.SELECT_TABLE_PASSTHROUGH_ATTRIBUTES);
130 HtmlRendererUtils.writeIdIfNecessary(writer, uiComponent, facesContext);
131
132 if (!pageDirectionLayout) writer.startElement(HTML.TR_ELEM, selectOne);
133
134 Converter converter;
135 List selectItemList = RendererUtils.getSelectItemList(selectOne);
136 try
137 {
138 converter = RendererUtils.findUIOutputConverter(facesContext, selectOne);
139 }
140 catch (FacesException e)
141 {
142 log.error("Error finding Converter for component with id " + uiComponent.getClientId(facesContext));
143 converter = null;
144 }
145
146 String currentValueStr = RendererUtils.getStringValue(facesContext, selectOne);
147
148 for (Iterator it = selectItemList.iterator(); it.hasNext(); )
149 {
150 SelectItem selectItem = (SelectItem)it.next();
151 String itemStrValue = RendererUtils.getConvertedStringValue(facesContext, selectOne, converter, selectItem.getValue());
152
153 writer.write("\t\t");
154 if (pageDirectionLayout) writer.startElement(HTML.TR_ELEM, selectOne);
155 writer.startElement(HTML.TD_ELEM, selectOne);
156 writer.startElement(HTML.LABEL_ELEM, selectOne);
157 renderRadio(facesContext,
158 selectOne,
159 itemStrValue,
160 selectItem.getLabel(),
161 currentValueStr.equals(itemStrValue),
162 false);
163 writer.endElement(HTML.LABEL_ELEM);
164 writer.endElement(HTML.TD_ELEM);
165 if (pageDirectionLayout) writer.endElement(HTML.TR_ELEM);
166 }
167
168 if (!pageDirectionLayout) writer.endElement(HTML.TR_ELEM);
169 writer.endElement(HTML.TABLE_ELEM);
170 }
171
172
173 protected String getLayout(UIComponent selectOne)
174 {
175 if (selectOne instanceof HtmlSelectOneRadio)
176 {
177 return ((HtmlSelectOneRadio)selectOne).getLayout();
178 }
179
180 return (String )selectOne.getAttributes().get(JSFAttr.LAYOUT_ATTR);
181 }
182
183
184 protected String getStyleClass(UISelectOne selectOne)
185 {
186 if (selectOne instanceof HtmlSelectOneRadio)
187 {
188 return ((HtmlSelectOneRadio)selectOne).getStyleClass();
189 }
190
191 return (String )selectOne.getAttributes().get(JSFAttr.STYLE_CLASS_ATTR);
192 }
193
194
195 protected void renderRadio(FacesContext facesContext,
196 UIInput uiComponent,
197 String value,
198 String label,
199 boolean checked, boolean renderId)
200 throws IOException
201 {
202 String clientId = uiComponent.getClientId(facesContext);
203
204 ResponseWriter writer = facesContext.getResponseWriter();
205
206 writer.startElement(HTML.INPUT_ELEM, uiComponent);
207 writer.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_RADIO, null);
208 writer.writeAttribute(HTML.NAME_ATTR, clientId, null);
209
210 if (renderId) {
211 writer.writeAttribute(HTML.ID_ATTR, clientId, null);
212 }
213
214 if (checked)
215 {
216 writer.writeAttribute(HTML.CHECKED_ATTR, HTML.CHECKED_ATTR, null);
217 }
218
219 if ((value != null) && (value.length() > 0))
220 {
221 writer.writeAttribute(HTML.VALUE_ATTR, value, null);
222 }
223
224 HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.INPUT_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED);
225 if (isDisabled(facesContext, uiComponent))
226 {
227 writer.writeAttribute(HTML.DISABLED_ATTR, Boolean.TRUE, null);
228 }
229
230 writer.endElement(HTML.INPUT_ELEM);
231
232 if ((label != null) && (label.length() > 0))
233 {
234 writer.write(HTML.NBSP_ENTITY);
235 writer.writeText(label, null);
236 }
237 }
238
239
240 protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)
241 {
242 if (uiComponent instanceof HtmlSelectOneRadio)
244 {
245 return ((HtmlSelectOneRadio)uiComponent).isDisabled();
246 }
247
248 return RendererUtils.getBooleanAttribute(uiComponent, HTML.DISABLED_ATTR, false);
249 }
250
251
252 public void decode(FacesContext facesContext, UIComponent uiComponent)
253 {
254 RendererUtils.checkParamValidity(facesContext, uiComponent, null);
255 if (uiComponent instanceof UIInput)
256 {
257 HtmlRendererUtils.decodeUIInput(facesContext, uiComponent);
258 }
259 }
260
261
262 public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent, Object submittedValue) throws ConverterException
263 {
264 RendererUtils.checkParamValidity(facesContext, uiComponent, UIOutput.class);
265 return RendererUtils.getConvertedUIOutputValue(facesContext,
266 (UIOutput)uiComponent,
267 submittedValue);
268 }
269
270 }
271 |
Popular Tags |
Java API By Example, From Geeks To Geeks.