Source Code Cross Referenced for PassThruAttributeRenderer.java in  » J2EE » ICEfaces-1.6.1 » com » icesoft » faces » renderkit » dom_html_basic » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » ICEfaces 1.6.1 » com.icesoft.faces.renderkit.dom_html_basic 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Version: MPL 1.1/GPL 2.0/LGPL 2.1
003:         *
004:         * "The contents of this file are subject to the Mozilla Public License
005:         * Version 1.1 (the "License"); you may not use this file except in
006:         * compliance with the License. You may obtain a copy of the License at
007:         * http://www.mozilla.org/MPL/
008:         *
009:         * Software distributed under the License is distributed on an "AS IS"
010:         * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
011:         * License for the specific language governing rights and limitations under
012:         * the License.
013:         *
014:         * The Original Code is ICEfaces 1.5 open source software code, released
015:         * November 5, 2006. The Initial Developer of the Original Code is ICEsoft
016:         * Technologies Canada, Corp. Portions created by ICEsoft are Copyright (C)
017:         * 2004-2006 ICEsoft Technologies Canada, Corp. All Rights Reserved.
018:         *
019:         * Contributor(s): _____________________.
020:         *
021:         * Alternatively, the contents of this file may be used under the terms of
022:         * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"
023:         * License), in which case the provisions of the LGPL License are
024:         * applicable instead of those above. If you wish to allow use of your
025:         * version of this file only under the terms of the LGPL License and not to
026:         * allow others to use your version of this file under the MPL, indicate
027:         * your decision by deleting the provisions above and replace them with
028:         * the notice and other provisions required by the LGPL License. If you do
029:         * not delete the provisions above, a recipient may use your version of
030:         * this file under either the MPL or the LGPL License."
031:         *
032:         */
033:
034:        package com.icesoft.faces.renderkit.dom_html_basic;
035:
036:        import com.icesoft.faces.context.DOMContext;
037:        import com.icesoft.faces.context.effects.CurrentStyle;
038:        import com.icesoft.faces.context.effects.LocalEffectEncoder;
039:        import org.w3c.dom.Element;
040:
041:        import javax.faces.FacesException;
042:        import javax.faces.component.UIComponent;
043:        import javax.faces.component.html.HtmlSelectManyCheckbox;
044:        import javax.faces.context.FacesContext;
045:        import java.util.ArrayList;
046:        import java.util.Arrays;
047:        import java.util.Iterator;
048:        import java.util.List;
049:        import java.util.Map;
050:
051:        /**
052:         * This class is responsible for the rendering of html pass thru attributes.
053:         */
054:        public class PassThruAttributeRenderer {
055:
056:            private static List passThruAttributeNames = new ArrayList();
057:            private static List booleanPassThruAttributeNames = new ArrayList();
058:
059:            static {
060:                passThruAttributeNames.add("accept");
061:                passThruAttributeNames.add("accesskey");
062:                passThruAttributeNames.add("alt");
063:                passThruAttributeNames.add("bgcolor");
064:                passThruAttributeNames.add("border");
065:                passThruAttributeNames.add("cellpadding");
066:                passThruAttributeNames.add("cellspacing");
067:                passThruAttributeNames.add("charset");
068:                passThruAttributeNames.add("cols");
069:                passThruAttributeNames.add("coords");
070:                passThruAttributeNames.add("dir");
071:                passThruAttributeNames.add("enctype");
072:                passThruAttributeNames.add("frame");
073:                passThruAttributeNames.add("height");
074:                passThruAttributeNames.add("hreflang");
075:                passThruAttributeNames.add("lang");
076:                passThruAttributeNames.add("longdesc");
077:                passThruAttributeNames.add("maxlength");
078:                passThruAttributeNames.add("onblur");
079:                passThruAttributeNames.add("onchange");
080:                passThruAttributeNames.add("onclick");
081:                passThruAttributeNames.add("ondblclick");
082:                passThruAttributeNames.add("onfocus");
083:                passThruAttributeNames.add("onkeydown");
084:                passThruAttributeNames.add("onkeypress");
085:                passThruAttributeNames.add("onkeyup");
086:                passThruAttributeNames.add("onload");
087:                passThruAttributeNames.add("onmousedown");
088:                passThruAttributeNames.add("onmousemove");
089:                passThruAttributeNames.add("onmouseout");
090:                passThruAttributeNames.add("onmouseover");
091:                passThruAttributeNames.add("onmouseup");
092:                passThruAttributeNames.add("onreset");
093:                passThruAttributeNames.add("onselect");
094:                passThruAttributeNames.add("onsubmit");
095:                passThruAttributeNames.add("onunload");
096:                passThruAttributeNames.add("rel");
097:                passThruAttributeNames.add("rev");
098:                passThruAttributeNames.add("rows");
099:                passThruAttributeNames.add("rules");
100:                passThruAttributeNames.add("shape");
101:                passThruAttributeNames.add("size");
102:                passThruAttributeNames.add("style");
103:                passThruAttributeNames.add("summary");
104:                passThruAttributeNames.add("tabindex");
105:                passThruAttributeNames.add("target");
106:                passThruAttributeNames.add("title");
107:                passThruAttributeNames.add("usemap");
108:                passThruAttributeNames.add("width");
109:                passThruAttributeNames.add("width");
110:                passThruAttributeNames.add("onclickeffect");
111:                passThruAttributeNames.add("ondblclickeffect");
112:                passThruAttributeNames.add("onmousedowneffect");
113:                passThruAttributeNames.add("onmouseupeffect");
114:                passThruAttributeNames.add("onmousemoveeffect");
115:                passThruAttributeNames.add("onmouseovereffect");
116:                passThruAttributeNames.add("onmouseouteffect");
117:                passThruAttributeNames.add("onchangeeffect");
118:                passThruAttributeNames.add("onreseteffect");
119:                passThruAttributeNames.add("onsubmiteffect");
120:                passThruAttributeNames.add("onkeypresseffect");
121:                passThruAttributeNames.add("onkeydowneffect");
122:                passThruAttributeNames.add("onkeyupeffect");
123:                passThruAttributeNames.add("autocomplete");
124:
125:                booleanPassThruAttributeNames.add("disabled");
126:                booleanPassThruAttributeNames.add("readonly");
127:                booleanPassThruAttributeNames.add("ismap");
128:            }
129:
130:            /**
131:             * Render pass thru attributes to the root element of the DOMContext
132:             * associated with the UIComponent parameter. The excludedAttributes
133:             * argument is a String array of the names of attributes to omit. Do not
134:             * render attributes contained in the excludedAttributes argument.
135:             *
136:             * @param facesContext
137:             * @param uiComponent
138:             * @param excludedAttributes attributes to exclude
139:             */
140:            public static void renderAttributes(FacesContext facesContext,
141:                    UIComponent uiComponent, String[] excludedAttributes) {
142:                renderAttributes(facesContext, uiComponent, null, null,
143:                        excludedAttributes);
144:            }
145:
146:            /**
147:             * Render pass thru attributes to the attributeElement (instead of root) 
148:             * associated with the UIComponent parameter. The excludedAttributes
149:             * argument is a String array of the names of attributes to omit. Do not
150:             * render attributes contained in the excludedAttributes argument.
151:             *
152:             * @param facesContext
153:             * @param uiComponent
154:             * @param attributeElement
155:             * @param styleElement The Element to apply styling on
156:             * @param excludedAttributes attributes to exclude
157:             */
158:            public static void renderAttributes(FacesContext facesContext,
159:                    UIComponent uiComponent, Element attributeElement,
160:                    Element styleElement, String[] excludedAttributes) {
161:                renderNonBooleanAttributes(facesContext, uiComponent,
162:                        attributeElement, excludedAttributes);
163:                renderBooleanAttributes(facesContext, uiComponent,
164:                        attributeElement, excludedAttributes);
165:                CurrentStyle.apply(facesContext, uiComponent, styleElement,
166:                        null);
167:
168:                if (attributeElement == null) {
169:                    DOMContext domContext = DOMContext.getDOMContext(
170:                            facesContext, uiComponent);
171:                    Element rootElement = (Element) domContext.getRootNode();
172:                    attributeElement = rootElement;
173:                }
174:                LocalEffectEncoder.encodeLocalEffects(uiComponent,
175:                        attributeElement, facesContext);
176:                renderOnFocus(uiComponent, attributeElement);
177:                renderOnBlur(attributeElement);
178:            }
179:
180:            /**
181:             * Render the icefaces onfocus handler to the root element. This should be
182:             * restricted to input type elements and commandlinks.
183:             *
184:             * @param uiComponent
185:             * @param root
186:             */
187:            public static void renderOnFocus(UIComponent uiComponent,
188:                    Element root) {
189:                // check the type of the root node
190:                String nodeName = root.getNodeName();
191:
192:                if (nodeName.equalsIgnoreCase(HTML.ANCHOR_ELEM)
193:                        || nodeName.equalsIgnoreCase(HTML.INPUT_ELEM)
194:                        || nodeName.equalsIgnoreCase(HTML.SELECT_ELEM)) {
195:                    String original = (String) uiComponent.getAttributes().get(
196:                            "onfocus");
197:                    String onfocus = "setFocus(this.id);";
198:
199:                    if (original == null) {
200:                        original = "";
201:                    }
202:                    root.setAttribute(HTML.ONFOCUS_ATTR, onfocus + original);
203:                }
204:            }
205:
206:            /**
207:             * Render the icefaces onblur handler to the root element. This should be
208:             * restricted to input type elements and commandlinks.
209:             *
210:             * @param root
211:             */
212:            public static void renderOnBlur(Element root) {
213:                // check the type of the root node
214:                // onblur will clear focus id
215:                String nodeName = root.getNodeName();
216:
217:                if (nodeName.equalsIgnoreCase(HTML.ANCHOR_ELEM)
218:                        || nodeName.equalsIgnoreCase(HTML.INPUT_ELEM)
219:                        || nodeName.equalsIgnoreCase(HTML.SELECT_ELEM)) {
220:                    String original = root.getAttribute("onblur");
221:                    String onblur = "setFocus('');";
222:
223:                    if (original == null) {
224:                        original = "";
225:                    }
226:                    root.setAttribute(HTML.ONBLUR_ATTR, onblur + original);
227:                }
228:            }
229:
230:            private static void renderBooleanAttributes(
231:                    FacesContext facesContext, UIComponent uiComponent,
232:                    Element targetElement, String[] excludedAttributes) {
233:
234:                if (facesContext == null) {
235:                    throw new FacesException("Null pointer exception");
236:                }
237:                if (uiComponent == null) {
238:                    throw new FacesException("Null pointer exception");
239:                }
240:
241:                if (targetElement == null) {
242:                    DOMContext domContext = DOMContext.getDOMContext(
243:                            facesContext, uiComponent);
244:                    Element rootElement = (Element) domContext.getRootNode();
245:                    if (rootElement == null) {
246:                        throw new FacesException("DOMContext is null");
247:                    }
248:                    targetElement = rootElement;
249:                }
250:
251:                List excludedAttributesList = null;
252:                if (excludedAttributes != null && excludedAttributes.length > 0) {
253:                    excludedAttributesList = Arrays.asList(excludedAttributes);
254:                }
255:
256:                Object nextPassThruAttributeName;
257:                Object nextPassThruAttributeValue = null;
258:                Iterator passThruNameIterator = booleanPassThruAttributeNames
259:                        .iterator();
260:                boolean primitiveAttributeValue;
261:
262:                while (passThruNameIterator.hasNext()) {
263:                    nextPassThruAttributeName = (passThruNameIterator.next());
264:                    if (excludedAttributesList != null) {
265:                        if (excludedAttributesList
266:                                .contains(nextPassThruAttributeName)) {
267:                            continue;
268:                        }
269:                    }
270:                    nextPassThruAttributeValue = uiComponent.getAttributes()
271:                            .get(nextPassThruAttributeName);
272:                    if (nextPassThruAttributeValue != null) {
273:                        if (nextPassThruAttributeValue instanceof  Boolean) {
274:                            primitiveAttributeValue = ((Boolean) nextPassThruAttributeValue)
275:                                    .booleanValue();
276:                        } else {
277:                            if (!(nextPassThruAttributeValue instanceof  String)) {
278:                                nextPassThruAttributeValue = nextPassThruAttributeValue
279:                                        .toString();
280:                            }
281:                            primitiveAttributeValue = (new Boolean(
282:                                    (String) nextPassThruAttributeValue))
283:                                    .booleanValue();
284:                        }
285:                        if (primitiveAttributeValue) {
286:                            targetElement.setAttribute(
287:                                    nextPassThruAttributeName.toString(),
288:                                    nextPassThruAttributeName.toString());
289:                        } else {
290:                            targetElement
291:                                    .removeAttribute(nextPassThruAttributeName
292:                                            .toString());
293:                        }
294:
295:                    } else {
296:                        targetElement.removeAttribute(nextPassThruAttributeName
297:                                .toString());
298:                    }
299:                }
300:            }
301:
302:            private static void renderNonBooleanAttributes(
303:                    FacesContext facesContext, UIComponent uiComponent,
304:                    Element targetElement, String[] excludedAttributes) {
305:
306:                if (uiComponent == null) {
307:                    throw new FacesException("Component instance is null");
308:                }
309:
310:                if (targetElement == null) {
311:                    DOMContext domContext = DOMContext.getDOMContext(
312:                            facesContext, uiComponent);
313:
314:                    Element rootElement = (Element) domContext.getRootNode();
315:                    if (rootElement == null) {
316:                        throw new FacesException(
317:                                "DOMContext is not initialized");
318:                    }
319:                    targetElement = rootElement;
320:                }
321:
322:                List excludedAttributesList = null;
323:                if (excludedAttributes != null && excludedAttributes.length > 0) {
324:                    excludedAttributesList = Arrays.asList(excludedAttributes);
325:                }
326:
327:                Object nextPassThruAttributeName = null;
328:                Object nextPassThruAttributeValue = null;
329:                Iterator passThruNameIterator = passThruAttributeNames
330:                        .iterator();
331:                while (passThruNameIterator.hasNext()) {
332:                    nextPassThruAttributeName = (passThruNameIterator.next());
333:                    if (excludedAttributesList != null) {
334:                        if (excludedAttributesList
335:                                .contains(nextPassThruAttributeName)) {
336:                            continue;
337:                        }
338:                    }
339:                    nextPassThruAttributeValue = uiComponent.getAttributes()
340:                            .get(nextPassThruAttributeName);
341:                    // Only render non-null attributes.
342:                    // Some components have attribute values
343:                    // set to the Wrapper classes' minimum value - don't render 
344:                    // an attribute with this sentinel value.
345:                    if (nextPassThruAttributeValue != null
346:                            && !attributeValueIsSentinel(nextPassThruAttributeValue)) {
347:                        targetElement.setAttribute(nextPassThruAttributeName
348:                                .toString(), nextPassThruAttributeValue
349:                                .toString());
350:                    } else {
351:                        targetElement.removeAttribute(nextPassThruAttributeName
352:                                .toString());
353:                    }
354:                }
355:            }
356:
357:            /**
358:             * Determine whether any of the attributes defined for the UIComponent
359:             * instance are pass thru attributes.
360:             *
361:             * @param uiComponent
362:             * @return true if the UIComponent parameter has one or more attributes
363:             *         defined that are pass thru attributes
364:             */
365:            public static boolean passThruAttributeExists(
366:                    UIComponent uiComponent) {
367:                if (uiComponent == null) {
368:                    return false;
369:                }
370:                Map componentAttributes = uiComponent.getAttributes();
371:                if (componentAttributes.size() <= 0) {
372:                    return false;
373:                }
374:                if (componentAttributesIncludePassThruAttribute(
375:                        componentAttributes, passThruAttributeNames)) {
376:                    return true;
377:                }
378:                if (componentAttributesIncludePassThruAttribute(
379:                        componentAttributes, booleanPassThruAttributeNames)) {
380:                    return true;
381:                }
382:                return false;
383:            }
384:
385:            private static boolean attributeValueIsSentinel(Object value) {
386:                if (value == null) {
387:                    return false;
388:                }
389:                if (value instanceof  Boolean) {
390:                    if (((Boolean) value).booleanValue() == false) {
391:                        return true;
392:                    }
393:                    return false;
394:                }
395:                if (value instanceof  Number) {
396:                    if (value instanceof  Integer) {
397:                        if (((Integer) value).intValue() == Integer.MIN_VALUE) {
398:                            return true;
399:                        }
400:                        return false;
401:                    }
402:                    if (value instanceof  Long) {
403:                        if (((Long) value).longValue() == Long.MIN_VALUE) {
404:                            return true;
405:                        }
406:                        return false;
407:                    }
408:                    if (value instanceof  Short) {
409:                        if (((Short) value).shortValue() == Short.MIN_VALUE) {
410:                            return true;
411:                        }
412:                        return false;
413:                    }
414:                    if (value instanceof  Float) {
415:                        if (((Float) value).floatValue() == Float.MIN_VALUE) {
416:                            return true;
417:                        }
418:                        return false;
419:                    }
420:                    if (value instanceof  Double) {
421:                        if (((Double) value).doubleValue() == Double.MIN_VALUE) {
422:                            return true;
423:                        }
424:                        return false;
425:                    }
426:                    if (value instanceof  Byte) {
427:                        if (((Byte) value).byteValue() == Byte.MIN_VALUE) {
428:                            return true;
429:                        }
430:                        return false;
431:                    }
432:                }
433:                if (value instanceof  Character) {
434:                    if (((Character) value).charValue() == Character.MIN_VALUE) {
435:                        return true;
436:                    }
437:                    return false;
438:                }
439:                return false;
440:            }
441:
442:            private static boolean componentAttributesIncludePassThruAttribute(
443:                    Map componentAttributes, List passThru) {
444:                Object componentAttributeKey;
445:                Object componentAttributeValue;
446:                Iterator attributeKeys = componentAttributes.keySet()
447:                        .iterator();
448:                while (attributeKeys.hasNext()) {
449:                    componentAttributeKey = attributeKeys.next();
450:                    if (passThru.contains(componentAttributeKey)) {
451:                        componentAttributeValue = componentAttributes
452:                                .get(componentAttributeKey);
453:                        if ((componentAttributeValue != null)
454:                                && (componentAttributeValue != "")) {
455:                            return true;
456:                        }
457:                    }
458:                }
459:                return false;
460:            }
461:
462:            static final List getpassThruAttributeNames() {
463:                return passThruAttributeNames;
464:            }
465:        }
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