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19 package org.apache.myfaces.renderkit.html.ext;
20
21 import java.io.IOException;
22 import java.util.List;
23 import java.util.Map;
24
25 import javax.faces.FacesException;
26 import javax.faces.component.UIComponent;
27 import javax.faces.component.UINamingContainer;
28 import javax.faces.component.UISelectOne;
29 import javax.faces.component.behavior.ClientBehavior;
30 import javax.faces.component.behavior.ClientBehaviorHolder;
31 import javax.faces.context.FacesContext;
32 import javax.faces.context.ResponseWriter;
33 import javax.faces.convert.Converter;
34 import javax.faces.model.SelectItem;
35
36 import org.apache.myfaces.component.UserRoleUtils;
37 import org.apache.myfaces.custom.radio.HtmlRadio;
38 import org.apache.myfaces.shared_tomahawk.renderkit.ClientBehaviorEvents;
39 import org.apache.myfaces.shared_tomahawk.renderkit.JSFAttr;
40 import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
41 import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
42 import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRadioRendererBase;
43 import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
44 import org.apache.myfaces.shared_tomahawk.renderkit.html.util.JavascriptUtils;
45
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63 public class HtmlRadioRenderer
64 extends HtmlRadioRendererBase
65 {
66
67
68 private static final String LAYOUT_SPREAD = "spread";
69
70 private static final String[] LABEL_STYLES = { "labelStyle", "labelStyleClass" };
71
72 public void encodeEnd(FacesContext context, UIComponent component) throws IOException
73 {
74 if (context == null) throw new NullPointerException("context");
75 if (component == null) throw new NullPointerException("component");
76
77 if (component instanceof HtmlRadio)
78 {
79 renderRadio(context, (HtmlRadio)component);
80 }
81 else if (HtmlRendererUtils.isDisplayValueOnly(component))
82 {
83 HtmlRendererUtils.renderDisplayValueOnlyForSelects(context, component);
84 }
85 else if (component instanceof UISelectOne)
86 {
87 String layout = getLayout(component);
88 if (layout != null && layout.equals(LAYOUT_SPREAD))
89 {
90 return;
91 }
92 else
93 {
94 super.encodeEnd(context, component);
95 }
96 }
97 else
98 {
99 throw new IllegalArgumentException("Unsupported component class " + component.getClass().getName());
100 }
101 }
102
103 protected void renderRadio(FacesContext facesContext, HtmlRadio radio) throws IOException
104 {
105 String forAttr = radio.getFor();
106 if (forAttr == null)
107 {
108 throw new IllegalStateException("mandatory attribute 'for'");
109 }
110 int index = radio.getIndex();
111 if (index < 0)
112 {
113 throw new IllegalStateException("positive index must be given");
114 }
115
116 UIComponent uiComponent = radio.findComponent(forAttr);
117 if (uiComponent == null)
118 {
119 throw new IllegalStateException("Could not find component '" + forAttr + "' (calling findComponent on component '" + radio.getClientId(facesContext) + "')");
120 }
121 if (!(uiComponent instanceof UISelectOne))
122 {
123 throw new IllegalStateException("UISelectOne expected");
124 }
125
126 UISelectOne uiSelectOne = (UISelectOne)uiComponent;
127 Converter converter;
128 List selectItemList = RendererUtils.getSelectItemList(uiSelectOne);
129 if (index >= selectItemList.size())
130 {
131 throw new IndexOutOfBoundsException("index " + index + " >= " + selectItemList.size());
132 }
133
134 try
135 {
136 converter = RendererUtils.findUIOutputConverter(facesContext, uiSelectOne);
137 }
138 catch (FacesException e)
139 {
140 converter = null;
141 }
142
143 Object currentValue = RendererUtils.getObjectValue(uiSelectOne);
144 currentValue
145 = RendererUtils.getConvertedStringValue(facesContext, uiSelectOne,
146 converter, currentValue);
147 SelectItem selectItem = (SelectItem)selectItemList.get(index);
148 String itemStrValue
149 = RendererUtils.getConvertedStringValue(facesContext, uiSelectOne,
150 converter,
151 selectItem.getValue());
152
153 ResponseWriter writer = facesContext.getResponseWriter();
154
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161
162
163
164
165
166 String itemId = renderRadio(
167 facesContext,
168 uiSelectOne,
169 radio,
170 itemStrValue,
171 selectItem.isDisabled(),
172 itemStrValue.equals(currentValue),
173 false,
174 index);
175
176
177
178 boolean componentDisabled = isDisabled(facesContext, uiSelectOne);
179 boolean itemDisabled = selectItem.isDisabled();
180 boolean disabled = (componentDisabled || itemDisabled);
181
182 renderLabel(writer, radio, uiSelectOne, itemId, selectItem, disabled);
183 }
184
185 protected String renderRadio(
186 FacesContext facesContext,
187 UISelectOne uiComponent, HtmlRadio radio,
188 String value, boolean disabled,
189 boolean checked, boolean renderId, Integer itemNum)
190 throws IOException
191 {
192 String clientId = uiComponent.getClientId(facesContext);
193
194 String itemId = radio.isRenderLogicalId() ?
195 clientId + UINamingContainer.getSeparatorChar(facesContext) + itemNum :
196 radio.getClientId(facesContext);
197
198 ResponseWriter writer = facesContext.getResponseWriter();
199
200 writer.startElement(HTML.INPUT_ELEM, uiComponent);
201
202
203
204 writer.writeAttribute(HTML.ID_ATTR, itemId, null);
205
206 writer.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_RADIO, null);
207 writer.writeAttribute(HTML.NAME_ATTR, clientId, null);
208
209
210 if (disabled)
211 {
212 writer.writeAttribute(HTML.DISABLED_ATTR, HTML.DISABLED_ATTR, null);
213 }
214
215 if (checked)
216 {
217 writer.writeAttribute(HTML.CHECKED_ATTR, HTML.CHECKED_ATTR, null);
218 }
219
220 if (value != null)
221 {
222 writer.writeAttribute(HTML.VALUE_ATTR, value, null);
223 }
224
225 Map<String, List<ClientBehavior>> behaviors = null;
226 if (uiComponent instanceof ClientBehaviorHolder
227 && JavascriptUtils.isJavascriptAllowed(facesContext
228 .getExternalContext()))
229 {
230 behaviors = ((ClientBehaviorHolder) uiComponent)
231 .getClientBehaviors();
232
233 renderBehaviorizedOnchangeEventHandler(facesContext, writer, radio, uiComponent, itemId, behaviors);
234 renderBehaviorizedEventHandlers(facesContext,writer, radio, uiComponent, itemId, behaviors);
235 renderBehaviorizedFieldEventHandlersWithoutOnchange(facesContext, writer, radio, uiComponent, itemId, behaviors);
236 renderHTMLAttributes(writer, radio, uiComponent, HTML.INPUT_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED_AND_EVENTS);
237 }
238 else
239 {
240 renderHTMLAttributes(writer, radio, uiComponent, HTML.INPUT_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED);
241 }
242
243 if (isDisabled(facesContext, uiComponent))
244 {
245 writer.writeAttribute(
246 org.apache.myfaces.shared_tomahawk.renderkit.html.HTML.DISABLED_ATTR,
247 Boolean.TRUE, null);
248 }
249
250 writer.endElement(HTML.INPUT_ELEM);
251
252 return itemId;
253 }
254
255 public static void renderLabel(ResponseWriter writer, UIComponent radio,
256 UIComponent component, String forClientId, SelectItem item,
257 boolean disabled) throws IOException
258 {
259 writer.startElement(HTML.LABEL_ELEM, component);
260 writer.writeAttribute(HTML.FOR_ATTR, forClientId, null);
261
262 String labelClass = null;
263
264 if (disabled)
265 {
266 labelClass = (String) radio.getAttributes().get(
267 JSFAttr.DISABLED_CLASS_ATTR);
268 if (labelClass == null)
269 {
270 labelClass = (String) component.getAttributes().get(
271 JSFAttr.DISABLED_CLASS_ATTR);
272 }
273 }
274 else
275 {
276 labelClass = (String) radio.getAttributes().get(
277 JSFAttr.ENABLED_CLASS_ATTR);
278 if (labelClass == null)
279 {
280 labelClass = (String) component.getAttributes().get(
281 JSFAttr.ENABLED_CLASS_ATTR);
282 }
283 }
284 if (labelClass != null)
285 {
286 writer.writeAttribute("class", labelClass, "labelClass");
287 }
288
289 if ((item.getLabel() != null) && (item.getLabel().length() > 0))
290 {
291
292 writer.write(" ");
293 if (item.isEscape())
294 {
295
296 writer.writeText(item.getLabel(), null);
297 }
298 else
299 {
300
301 writer.write(item.getLabel());
302 }
303 }
304
305 writer.endElement(HTML.LABEL_ELEM);
306 }
307
308 private static boolean renderHTMLAttributes(ResponseWriter writer,
309 UIComponent radio, UIComponent selectOne, String[] attributes) throws IOException
310 {
311 boolean somethingDone = false;
312 for (int i = 0, len = attributes.length; i < len; i++)
313 {
314 String attrName = attributes[i];
315 Object value = radio.getAttributes().get(attrName);
316 if (value == null)
317 {
318 value = selectOne.getAttributes().get(attrName);
319 }
320 if (HtmlRendererUtils.renderHTMLAttribute(writer, attrName, attrName, value ))
321 {
322 somethingDone = true;
323 }
324 }
325 return somethingDone;
326 }
327
328 private static boolean renderBehaviorizedOnchangeEventHandler(
329 FacesContext facesContext, ResponseWriter writer, UIComponent radio, UIComponent uiComponent, String targetClientId,
330 Map<String, List<ClientBehavior>> clientBehaviors) throws IOException {
331 boolean hasChange = HtmlRendererUtils.hasClientBehavior(ClientBehaviorEvents.CHANGE, clientBehaviors, facesContext);
332 boolean hasValueChange = HtmlRendererUtils.hasClientBehavior(ClientBehaviorEvents.VALUECHANGE, clientBehaviors, facesContext);
333
334 String value = (String) radio.getAttributes().get(HTML.ONCHANGE_ATTR);
335 if (value == null)
336 {
337 value = (String) uiComponent.getAttributes().get(HTML.ONCHANGE_ATTR);
338 }
339 if (hasChange && hasValueChange) {
340 String chain = HtmlRendererUtils.buildBehaviorChain(facesContext,
341 uiComponent, targetClientId, ClientBehaviorEvents.CHANGE, null, ClientBehaviorEvents.VALUECHANGE, null, clientBehaviors,
342 value, null);
343
344 return HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONCHANGE_ATTR, HTML.ONCHANGE_ATTR, chain);
345 } else if (hasChange) {
346 return HtmlRendererUtils.renderBehaviorizedAttribute(facesContext, writer, HTML.ONCHANGE_ATTR, uiComponent, targetClientId,
347 ClientBehaviorEvents.CHANGE, null, clientBehaviors, HTML.ONCHANGE_ATTR, value);
348 } else if (hasValueChange) {
349 return HtmlRendererUtils.renderBehaviorizedAttribute(facesContext, writer, HTML.ONCHANGE_ATTR, uiComponent, targetClientId,
350 ClientBehaviorEvents.VALUECHANGE, null, clientBehaviors, HTML.ONCHANGE_ATTR, value);
351 } else {
352 return HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONCHANGE_ATTR, HTML.ONCHANGE_ATTR, value);
353 }
354 }
355
356 private static void renderBehaviorizedEventHandlers(
357 FacesContext facesContext, ResponseWriter writer, UIComponent radio, UIComponent uiComponent, String targetClientId,
358 Map<String, List<ClientBehavior>> clientBehaviors) throws IOException {
359 renderBehaviorizedAttribute(facesContext, writer, HTML.ONCLICK_ATTR, radio, uiComponent, targetClientId,
360 ClientBehaviorEvents.CLICK, clientBehaviors, HTML.ONCLICK_ATTR);
361 renderBehaviorizedAttribute(facesContext, writer, HTML.ONDBLCLICK_ATTR, radio, uiComponent, targetClientId,
362 ClientBehaviorEvents.DBLCLICK, clientBehaviors, HTML.ONDBLCLICK_ATTR);
363 renderBehaviorizedAttribute(facesContext, writer, HTML.ONMOUSEDOWN_ATTR, radio, uiComponent, targetClientId,
364 ClientBehaviorEvents.MOUSEDOWN, clientBehaviors, HTML.ONMOUSEDOWN_ATTR);
365 renderBehaviorizedAttribute(facesContext, writer, HTML.ONMOUSEUP_ATTR, radio, uiComponent, targetClientId,
366 ClientBehaviorEvents.MOUSEUP, clientBehaviors, HTML.ONMOUSEUP_ATTR);
367 renderBehaviorizedAttribute(facesContext, writer, HTML.ONMOUSEOVER_ATTR, radio, uiComponent, targetClientId,
368 ClientBehaviorEvents.MOUSEOVER, clientBehaviors, HTML.ONMOUSEOVER_ATTR);
369 renderBehaviorizedAttribute(facesContext, writer, HTML.ONMOUSEMOVE_ATTR, radio, uiComponent, targetClientId,
370 ClientBehaviorEvents.MOUSEMOVE, clientBehaviors, HTML.ONMOUSEMOVE_ATTR);
371 renderBehaviorizedAttribute(facesContext, writer, HTML.ONMOUSEOUT_ATTR, radio, uiComponent, targetClientId,
372 ClientBehaviorEvents.MOUSEOUT, clientBehaviors, HTML.ONMOUSEOUT_ATTR);
373 renderBehaviorizedAttribute(facesContext, writer, HTML.ONKEYPRESS_ATTR, radio, uiComponent, targetClientId,
374 ClientBehaviorEvents.KEYPRESS, clientBehaviors, HTML.ONKEYPRESS_ATTR);
375 renderBehaviorizedAttribute(facesContext, writer, HTML.ONKEYDOWN_ATTR, radio, uiComponent, targetClientId,
376 ClientBehaviorEvents.KEYDOWN, clientBehaviors, HTML.ONKEYDOWN_ATTR);
377 renderBehaviorizedAttribute(facesContext, writer, HTML.ONKEYUP_ATTR, radio, uiComponent, targetClientId,
378 ClientBehaviorEvents.KEYUP, clientBehaviors, HTML.ONKEYUP_ATTR);
379 }
380
381 private static void renderBehaviorizedFieldEventHandlersWithoutOnchange(
382 FacesContext facesContext, ResponseWriter writer, UIComponent radio, UIComponent uiComponent, String targetClientId,
383 Map<String, List<ClientBehavior>> clientBehaviors) throws IOException {
384 renderBehaviorizedAttribute(facesContext, writer, HTML.ONFOCUS_ATTR, radio, uiComponent, targetClientId,
385 ClientBehaviorEvents.FOCUS, clientBehaviors, HTML.ONFOCUS_ATTR);
386 renderBehaviorizedAttribute(facesContext, writer, HTML.ONBLUR_ATTR, radio, uiComponent, targetClientId,
387 ClientBehaviorEvents.BLUR, clientBehaviors, HTML.ONBLUR_ATTR);
388 renderBehaviorizedAttribute(facesContext, writer, HTML.ONSELECT_ATTR, radio, uiComponent, targetClientId,
389 ClientBehaviorEvents.SELECT, clientBehaviors, HTML.ONSELECT_ATTR);
390 }
391
392 private static boolean renderBehaviorizedAttribute(
393 FacesContext facesContext, ResponseWriter writer,
394 String componentProperty, UIComponent radio, UIComponent component, String targetClientId,
395 String eventName, Map<String, List<ClientBehavior>> clientBehaviors,
396 String htmlAttrName) throws IOException
397 {
398 String attributeValue = (String) radio.getAttributes().get(componentProperty);
399 if (attributeValue == null)
400 {
401 attributeValue = (String) component.getAttributes().get(componentProperty);
402 }
403 return HtmlRendererUtils.renderBehaviorizedAttribute(
404 facesContext, writer,
405 componentProperty, component, targetClientId,
406 eventName, null, clientBehaviors,
407 htmlAttrName, attributeValue);
408 }
409
410 protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)
411 {
412 if (!UserRoleUtils.isEnabledOnUserRole(uiComponent))
413 {
414 return true;
415 }
416 else
417 {
418 return super.isDisabled(facesContext, uiComponent);
419 }
420 }
421
422
423 public void decode(FacesContext facesContext, UIComponent uiComponent)
424 {
425 if (uiComponent instanceof HtmlRadio)
426 {
427 HtmlRadio radio = (HtmlRadio) uiComponent;
428 String forAttr = radio.getFor();
429 if (forAttr == null)
430 {
431 throw new IllegalStateException("mandatory attribute 'for'");
432 }
433 int index = radio.getIndex();
434 if (index < 0)
435 {
436 throw new IllegalStateException("positive index must be given");
437 }
438
439 UIComponent uiSelectOne = radio.findComponent(forAttr);
440 if (uiSelectOne == null)
441 {
442 throw new IllegalStateException("Could not find component '" + forAttr + "' (calling findComponent on component '" + radio.getClientId(facesContext) + "')");
443 }
444 if (!(uiSelectOne instanceof UISelectOne))
445 {
446 throw new IllegalStateException("UISelectOne expected");
447 }
448
449 if (uiSelectOne instanceof ClientBehaviorHolder) {
450 ClientBehaviorHolder clientBehaviorHolder = (ClientBehaviorHolder) uiSelectOne;
451
452 Map<String, List<ClientBehavior>> clientBehaviors =
453 clientBehaviorHolder.getClientBehaviors();
454
455 if (clientBehaviors != null && !clientBehaviors.isEmpty()) {
456 Map<String, String> paramMap = facesContext.getExternalContext().
457 getRequestParameterMap();
458
459 String behaviorEventName = paramMap.get("javax.faces.behavior.event");
460
461 if (behaviorEventName != null) {
462 List<ClientBehavior> clientBehaviorList = clientBehaviors.get(behaviorEventName);
463
464 if (clientBehaviorList != null && !clientBehaviorList.isEmpty()) {
465 String clientId = paramMap.get("javax.faces.source");
466
467 if (radio.getClientId().equals(clientId)) {
468 for (ClientBehavior clientBehavior : clientBehaviorList) {
469 clientBehavior.decode(facesContext, radio);
470 }
471 }
472 }
473 }
474 }
475 }
476 }
477 else
478 {
479 super.decode(facesContext, uiComponent);
480 }
481 }
482
483 }