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1318 alexandre_ 1 
/*
2 
	Copyright (c) 2004-2006, The Dojo Foundation
3 
	All Rights Reserved.
4 
 
5 
	Licensed under the Academic Free License version 2.1 or above OR the
6 
	modified BSD license. For more information on Dojo licensing, see:
7 
 
8 
		http://dojotoolkit.org/community/licensing.shtml
9 
*/
10 
 
1422 alexandre_ 11 
 
12 
 
1318 alexandre_ 13 
dojo.provide("dojo.event.browser");
14 
dojo.require("dojo.event.common");
15 
dojo._ie_clobber = new function () {
16 
	this.clobberNodes = [];
17 
	function nukeProp(node, prop) {
18 
		try {
19 
			node[prop] = null;
20 
		}
21 
		catch (e) {
22 
		}
23 
		try {
24 
			delete node[prop];
25 
		}
26 
		catch (e) {
27 
		}
28 
		try {
29 
			node.removeAttribute(prop);
30 
		}
31 
		catch (e) {
32 
		}
33 
	}
34 
	this.clobber = function (nodeRef) {
35 
		var na;
36 
		var tna;
37 
		if (nodeRef) {
38 
			tna = nodeRef.all || nodeRef.getElementsByTagName("*");
39 
			na = [nodeRef];
40 
			for (var x = 0; x < tna.length; x++) {
41 
				if (tna[x]["__doClobber__"]) {
42 
					na.push(tna[x]);
43 
				}
44 
			}
45 
		} else {
46 
			try {
47 
				window.onload = null;
48 
			}
49 
			catch (e) {
50 
			}
51 
			na = (this.clobberNodes.length) ? this.clobberNodes : document.all;
52 
		}
53 
		tna = null;
54 
		var basis = {};
55 
		for (var i = na.length - 1; i >= 0; i = i - 1) {
56 
			var el = na[i];
57 
			try {
58 
				if (el && el["__clobberAttrs__"]) {
59 
					for (var j = 0; j < el.__clobberAttrs__.length; j++) {
60 
						nukeProp(el, el.__clobberAttrs__[j]);
61 
					}
62 
					nukeProp(el, "__clobberAttrs__");
63 
					nukeProp(el, "__doClobber__");
64 
				}
65 
			}
66 
			catch (e) {
67 
			}
68 
		}
69 
		na = null;
70 
	};
71 
};
72 
if (dojo.render.html.ie) {
73 
	dojo.addOnUnload(function () {
74 
		dojo._ie_clobber.clobber();
75 
		try {
76 
			if ((dojo["widget"]) && (dojo.widget["manager"])) {
77 
				dojo.widget.manager.destroyAll();
78 
			}
79 
		}
80 
		catch (e) {
81 
		}
82 
		if (dojo.widget) {
83 
			for (var name in dojo.widget._templateCache) {
84 
				if (dojo.widget._templateCache[name].node) {
85 
					dojo.dom.destroyNode(dojo.widget._templateCache[name].node);
86 
					dojo.widget._templateCache[name].node = null;
87 
					delete dojo.widget._templateCache[name].node;
88 
				}
89 
			}
90 
		}
91 
		try {
92 
			window.onload = null;
93 
		}
94 
		catch (e) {
95 
		}
96 
		try {
97 
			window.onunload = null;
98 
		}
99 
		catch (e) {
100 
		}
101 
		dojo._ie_clobber.clobberNodes = [];
102 
	});
103 
}
104 
dojo.event.browser = new function () {
105 
	var clobberIdx = 0;
106 
	this.normalizedEventName = function (eventName) {
107 
		switch (eventName) {
108 
		  case "CheckboxStateChange":
109 
		  case "DOMAttrModified":
110 
		  case "DOMMenuItemActive":
111 
		  case "DOMMenuItemInactive":
112 
		  case "DOMMouseScroll":
113 
		  case "DOMNodeInserted":
114 
		  case "DOMNodeRemoved":
115 
		  case "RadioStateChange":
116 
			return eventName;
117 
			break;
118 
		  default:
119 
			var lcn = eventName.toLowerCase();
120 
			return (lcn.indexOf("on") == 0) ? lcn.substr(2) : lcn;
121 
			break;
122 
		}
123 
	};
124 
	this.clean = function (node) {
125 
		if (dojo.render.html.ie) {
126 
			dojo._ie_clobber.clobber(node);
127 
		}
128 
	};
129 
	this.addClobberNode = function (node) {
130 
		if (!dojo.render.html.ie) {
131 
			return;
132 
		}
133 
		if (!node["__doClobber__"]) {
134 
			node.__doClobber__ = true;
135 
			dojo._ie_clobber.clobberNodes.push(node);
136 
			node.__clobberAttrs__ = [];
137 
		}
138 
	};
139 
	this.addClobberNodeAttrs = function (node, props) {
140 
		if (!dojo.render.html.ie) {
141 
			return;
142 
		}
143 
		this.addClobberNode(node);
144 
		for (var x = 0; x < props.length; x++) {
145 
			node.__clobberAttrs__.push(props[x]);
146 
		}
147 
	};
148 
	this.removeListener = function (node, evtName, fp, capture) {
149 
		if (!capture) {
150 
			var capture = false;
151 
		}
152 
		evtName = dojo.event.browser.normalizedEventName(evtName);
153 
		if (evtName == "key") {
154 
			if (dojo.render.html.ie) {
155 
				this.removeListener(node, "onkeydown", fp, capture);
156 
			}
157 
			evtName = "keypress";
158 
		}
159 
		if (node.removeEventListener) {
160 
			node.removeEventListener(evtName, fp, capture);
161 
		}
162 
	};
163 
	this.addListener = function (node, evtName, fp, capture, dontFix) {
164 
		if (!node) {
165 
			return;
166 
		}
167 
		if (!capture) {
168 
			var capture = false;
169 
		}
170 
		evtName = dojo.event.browser.normalizedEventName(evtName);
171 
		if (evtName == "key") {
172 
			if (dojo.render.html.ie) {
173 
				this.addListener(node, "onkeydown", fp, capture, dontFix);
174 
			}
175 
			evtName = "keypress";
176 
		}
177 
		if (!dontFix) {
178 
			var newfp = function (evt) {
179 
				if (!evt) {
180 
					evt = window.event;
181 
				}
182 
				var ret = fp(dojo.event.browser.fixEvent(evt, this));
183 
				if (capture) {
184 
					dojo.event.browser.stopEvent(evt);
185 
				}
186 
				return ret;
187 
			};
188 
		} else {
189 
			newfp = fp;
190 
		}
191 
		if (node.addEventListener) {
192 
			node.addEventListener(evtName, newfp, capture);
193 
			return newfp;
194 
		} else {
195 
			evtName = "on" + evtName;
196 
			if (typeof node[evtName] == "function") {
197 
				var oldEvt = node[evtName];
198 
				node[evtName] = function (e) {
199 
					oldEvt(e);
200 
					return newfp(e);
201 
				};
202 
			} else {
203 
				node[evtName] = newfp;
204 
			}
205 
			if (dojo.render.html.ie) {
206 
				this.addClobberNodeAttrs(node, [evtName]);
207 
			}
208 
			return newfp;
209 
		}
210 
	};
211 
	this.isEvent = function (obj) {
212 
		return (typeof obj != "undefined") && (obj) && (typeof Event != "undefined") && (obj.eventPhase);
213 
	};
214 
	this.currentEvent = null;
215 
	this.callListener = function (listener, curTarget) {
216 
		if (typeof listener != "function") {
217 
			dojo.raise("listener not a function: " + listener);
218 
		}
219 
		dojo.event.browser.currentEvent.currentTarget = curTarget;
220 
		return listener.call(curTarget, dojo.event.browser.currentEvent);
221 
	};
222 
	this._stopPropagation = function () {
223 
		dojo.event.browser.currentEvent.cancelBubble = true;
224 
	};
225 
	this._preventDefault = function () {
226 
		dojo.event.browser.currentEvent.returnValue = false;
227 
	};
228 
	this.keys = {KEY_BACKSPACE:8, KEY_TAB:9, KEY_CLEAR:12, KEY_ENTER:13, KEY_SHIFT:16, KEY_CTRL:17, KEY_ALT:18, KEY_PAUSE:19, KEY_CAPS_LOCK:20, KEY_ESCAPE:27, KEY_SPACE:32, KEY_PAGE_UP:33, KEY_PAGE_DOWN:34, KEY_END:35, KEY_HOME:36, KEY_LEFT_ARROW:37, KEY_UP_ARROW:38, KEY_RIGHT_ARROW:39, KEY_DOWN_ARROW:40, KEY_INSERT:45, KEY_DELETE:46, KEY_HELP:47, KEY_LEFT_WINDOW:91, KEY_RIGHT_WINDOW:92, KEY_SELECT:93, KEY_NUMPAD_0:96, KEY_NUMPAD_1:97, KEY_NUMPAD_2:98, KEY_NUMPAD_3:99, KEY_NUMPAD_4:100, KEY_NUMPAD_5:101, KEY_NUMPAD_6:102, KEY_NUMPAD_7:103, KEY_NUMPAD_8:104, KEY_NUMPAD_9:105, KEY_NUMPAD_MULTIPLY:106, KEY_NUMPAD_PLUS:107, KEY_NUMPAD_ENTER:108, KEY_NUMPAD_MINUS:109, KEY_NUMPAD_PERIOD:110, KEY_NUMPAD_DIVIDE:111, KEY_F1:112, KEY_F2:113, KEY_F3:114, KEY_F4:115, KEY_F5:116, KEY_F6:117, KEY_F7:118, KEY_F8:119, KEY_F9:120, KEY_F10:121, KEY_F11:122, KEY_F12:123, KEY_F13:124, KEY_F14:125, KEY_F15:126, KEY_NUM_LOCK:144, KEY_SCROLL_LOCK:145};
229 
	this.revKeys = [];
230 
	for (var key in this.keys) {
231 
		this.revKeys[this.keys[key]] = key;
232 
	}
233 
	this.fixEvent = function (evt, sender) {
234 
		if (!evt) {
235 
			if (window["event"]) {
236 
				evt = window.event;
237 
			}
238 
		}
239 
		if ((evt["type"]) && (evt["type"].indexOf("key") == 0)) {
240 
			evt.keys = this.revKeys;
241 
			for (var key in this.keys) {
242 
				evt[key] = this.keys[key];
243 
			}
244 
			if (evt["type"] == "keydown" && dojo.render.html.ie) {
245 
				switch (evt.keyCode) {
246 
				  case evt.KEY_SHIFT:
247 
				  case evt.KEY_CTRL:
248 
				  case evt.KEY_ALT:
249 
				  case evt.KEY_CAPS_LOCK:
250 
				  case evt.KEY_LEFT_WINDOW:
251 
				  case evt.KEY_RIGHT_WINDOW:
252 
				  case evt.KEY_SELECT:
253 
				  case evt.KEY_NUM_LOCK:
254 
				  case evt.KEY_SCROLL_LOCK:
255 
				  case evt.KEY_NUMPAD_0:
256 
				  case evt.KEY_NUMPAD_1:
257 
				  case evt.KEY_NUMPAD_2:
258 
				  case evt.KEY_NUMPAD_3:
259 
				  case evt.KEY_NUMPAD_4:
260 
				  case evt.KEY_NUMPAD_5:
261 
				  case evt.KEY_NUMPAD_6:
262 
				  case evt.KEY_NUMPAD_7:
263 
				  case evt.KEY_NUMPAD_8:
264 
				  case evt.KEY_NUMPAD_9:
265 
				  case evt.KEY_NUMPAD_PERIOD:
266 
					break;
267 
				  case evt.KEY_NUMPAD_MULTIPLY:
268 
				  case evt.KEY_NUMPAD_PLUS:
269 
				  case evt.KEY_NUMPAD_ENTER:
270 
				  case evt.KEY_NUMPAD_MINUS:
271 
				  case evt.KEY_NUMPAD_DIVIDE:
272 
					break;
273 
				  case evt.KEY_PAUSE:
274 
				  case evt.KEY_TAB:
275 
				  case evt.KEY_BACKSPACE:
276 
				  case evt.KEY_ENTER:
277 
				  case evt.KEY_ESCAPE:
278 
				  case evt.KEY_PAGE_UP:
279 
				  case evt.KEY_PAGE_DOWN:
280 
				  case evt.KEY_END:
281 
				  case evt.KEY_HOME:
282 
				  case evt.KEY_LEFT_ARROW:
283 
				  case evt.KEY_UP_ARROW:
284 
				  case evt.KEY_RIGHT_ARROW:
285 
				  case evt.KEY_DOWN_ARROW:
286 
				  case evt.KEY_INSERT:
287 
				  case evt.KEY_DELETE:
288 
				  case evt.KEY_F1:
289 
				  case evt.KEY_F2:
290 
				  case evt.KEY_F3:
291 
				  case evt.KEY_F4:
292 
				  case evt.KEY_F5:
293 
				  case evt.KEY_F6:
294 
				  case evt.KEY_F7:
295 
				  case evt.KEY_F8:
296 
				  case evt.KEY_F9:
297 
				  case evt.KEY_F10:
298 
				  case evt.KEY_F11:
299 
				  case evt.KEY_F12:
300 
				  case evt.KEY_F12:
301 
				  case evt.KEY_F13:
302 
				  case evt.KEY_F14:
303 
				  case evt.KEY_F15:
304 
				  case evt.KEY_CLEAR:
305 
				  case evt.KEY_HELP:
306 
					evt.key = evt.keyCode;
307 
					break;
308 
				  default:
309 
					if (evt.ctrlKey || evt.altKey) {
310 
						var unifiedCharCode = evt.keyCode;
311 
						if (unifiedCharCode >= 65 && unifiedCharCode <= 90 && evt.shiftKey == false) {
312 
							unifiedCharCode += 32;
313 
						}
314 
						if (unifiedCharCode >= 1 && unifiedCharCode <= 26 && evt.ctrlKey) {
315 
							unifiedCharCode += 96;
316 
						}
317 
						evt.key = String.fromCharCode(unifiedCharCode);
318 
					}
319 
				}
320 
			} else {
321 
				if (evt["type"] == "keypress") {
322 
					if (dojo.render.html.opera) {
323 
						if (evt.which == 0) {
324 
							evt.key = evt.keyCode;
325 
						} else {
326 
							if (evt.which > 0) {
327 
								switch (evt.which) {
328 
								  case evt.KEY_SHIFT:
329 
								  case evt.KEY_CTRL:
330 
								  case evt.KEY_ALT:
331 
								  case evt.KEY_CAPS_LOCK:
332 
								  case evt.KEY_NUM_LOCK:
333 
								  case evt.KEY_SCROLL_LOCK:
334 
									break;
335 
								  case evt.KEY_PAUSE:
336 
								  case evt.KEY_TAB:
337 
								  case evt.KEY_BACKSPACE:
338 
								  case evt.KEY_ENTER:
339 
								  case evt.KEY_ESCAPE:
340 
									evt.key = evt.which;
341 
									break;
342 
								  default:
343 
									var unifiedCharCode = evt.which;
344 
									if ((evt.ctrlKey || evt.altKey || evt.metaKey) && (evt.which >= 65 && evt.which <= 90 && evt.shiftKey == false)) {
345 
										unifiedCharCode += 32;
346 
									}
347 
									evt.key = String.fromCharCode(unifiedCharCode);
348 
								}
349 
							}
350 
						}
351 
					} else {
352 
						if (dojo.render.html.ie) {
353 
							if (!evt.ctrlKey && !evt.altKey && evt.keyCode >= evt.KEY_SPACE) {
354 
								evt.key = String.fromCharCode(evt.keyCode);
355 
							}
356 
						} else {
357 
							if (dojo.render.html.safari) {
358 
								switch (evt.keyCode) {
359 
								  case 25:
360 
									evt.key = evt.KEY_TAB;
361 
									evt.shift = true;
362 
									break;
363 
								  case 63232:
364 
									evt.key = evt.KEY_UP_ARROW;
365 
									break;
366 
								  case 63233:
367 
									evt.key = evt.KEY_DOWN_ARROW;
368 
									break;
369 
								  case 63234:
370 
									evt.key = evt.KEY_LEFT_ARROW;
371 
									break;
372 
								  case 63235:
373 
									evt.key = evt.KEY_RIGHT_ARROW;
374 
									break;
375 
								  case 63236:
376 
									evt.key = evt.KEY_F1;
377 
									break;
378 
								  case 63237:
379 
									evt.key = evt.KEY_F2;
380 
									break;
381 
								  case 63238:
382 
									evt.key = evt.KEY_F3;
383 
									break;
384 
								  case 63239:
385 
									evt.key = evt.KEY_F4;
386 
									break;
387 
								  case 63240:
388 
									evt.key = evt.KEY_F5;
389 
									break;
390 
								  case 63241:
391 
									evt.key = evt.KEY_F6;
392 
									break;
393 
								  case 63242:
394 
									evt.key = evt.KEY_F7;
395 
									break;
396 
								  case 63243:
397 
									evt.key = evt.KEY_F8;
398 
									break;
399 
								  case 63244:
400 
									evt.key = evt.KEY_F9;
401 
									break;
402 
								  case 63245:
403 
									evt.key = evt.KEY_F10;
404 
									break;
405 
								  case 63246:
406 
									evt.key = evt.KEY_F11;
407 
									break;
408 
								  case 63247:
409 
									evt.key = evt.KEY_F12;
410 
									break;
411 
								  case 63250:
412 
									evt.key = evt.KEY_PAUSE;
413 
									break;
414 
								  case 63272:
415 
									evt.key = evt.KEY_DELETE;
416 
									break;
417 
								  case 63273:
418 
									evt.key = evt.KEY_HOME;
419 
									break;
420 
								  case 63275:
421 
									evt.key = evt.KEY_END;
422 
									break;
423 
								  case 63276:
424 
									evt.key = evt.KEY_PAGE_UP;
425 
									break;
426 
								  case 63277:
427 
									evt.key = evt.KEY_PAGE_DOWN;
428 
									break;
429 
								  case 63302:
430 
									evt.key = evt.KEY_INSERT;
431 
									break;
432 
								  case 63248:
433 
								  case 63249:
434 
								  case 63289:
435 
									break;
436 
								  default:
437 
									evt.key = evt.charCode >= evt.KEY_SPACE ? String.fromCharCode(evt.charCode) : evt.keyCode;
438 
								}
439 
							} else {
440 
								evt.key = evt.charCode > 0 ? String.fromCharCode(evt.charCode) : evt.keyCode;
441 
							}
442 
						}
443 
					}
444 
				}
445 
			}
446 
		}
447 
		if (dojo.render.html.ie) {
448 
			if (!evt.target) {
449 
				evt.target = evt.srcElement;
450 
			}
451 
			if (!evt.currentTarget) {
452 
				evt.currentTarget = (sender ? sender : evt.srcElement);
453 
			}
454 
			if (!evt.layerX) {
455 
				evt.layerX = evt.offsetX;
456 
			}
457 
			if (!evt.layerY) {
458 
				evt.layerY = evt.offsetY;
459 
			}
460 
			var doc = (evt.srcElement && evt.srcElement.ownerDocument) ? evt.srcElement.ownerDocument : document;
461 
			var docBody = ((dojo.render.html.ie55) || (doc["compatMode"] == "BackCompat")) ? doc.body : doc.documentElement;
462 
			if (!evt.pageX) {
463 
				evt.pageX = evt.clientX + (docBody.scrollLeft || 0);
464 
			}
465 
			if (!evt.pageY) {
466 
				evt.pageY = evt.clientY + (docBody.scrollTop || 0);
467 
			}
468 
			if (evt.type == "mouseover") {
469 
				evt.relatedTarget = evt.fromElement;
470 
			}
471 
			if (evt.type == "mouseout") {
472 
				evt.relatedTarget = evt.toElement;
473 
			}
474 
			this.currentEvent = evt;
475 
			evt.callListener = this.callListener;
476 
			evt.stopPropagation = this._stopPropagation;
477 
			evt.preventDefault = this._preventDefault;
478 
		}
479 
		return evt;
480 
	};
481 
	this.stopEvent = function (evt) {
482 
		if (window.event) {
483 
			evt.cancelBubble = true;
484 
			evt.returnValue = false;
485 
		} else {
486 
			evt.preventDefault();
487 
			evt.stopPropagation();
488 
		}
489 
	};
490 
};
491