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1318 alexandre_ 1
/*
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	Copyright (c) 2004-2006, The Dojo Foundation
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	All Rights Reserved.
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	Licensed under the Academic Free License version 2.1 or above OR the
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	modified BSD license. For more information on Dojo licensing, see:
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		http://dojotoolkit.org/community/licensing.shtml
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*/
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1422 alexandre_ 11
 
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1318 alexandre_ 13
dojo.provide("dojo.behavior");
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dojo.require("dojo.event.*");
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dojo.require("dojo.experimental");
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dojo.experimental("dojo.behavior");
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dojo.behavior = new function () {
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	function arrIn(obj, name) {
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		if (!obj[name]) {
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			obj[name] = [];
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		}
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		return obj[name];
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	}
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	function forIn(obj, scope, func) {
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		var tmpObj = {};
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		for (var x in obj) {
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			if (typeof tmpObj[x] == "undefined") {
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				if (!func) {
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					scope(obj[x], x);
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				} else {
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					func.call(scope, obj[x], x);
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				}
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			}
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		}
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	}
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	this.behaviors = {};
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	this.add = function (behaviorObj) {
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		var tmpObj = {};
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		forIn(behaviorObj, this, function (behavior, name) {
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			var tBehavior = arrIn(this.behaviors, name);
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			if ((dojo.lang.isString(behavior)) || (dojo.lang.isFunction(behavior))) {
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				behavior = {found:behavior};
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			}
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			forIn(behavior, function (rule, ruleName) {
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				arrIn(tBehavior, ruleName).push(rule);
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			});
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		});
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	};
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	this.apply = function () {
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		dojo.profile.start("dojo.behavior.apply");
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		var r = dojo.render.html;
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		var safariGoodEnough = (!r.safari);
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		if (r.safari) {
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			var uas = r.UA.split("AppleWebKit/")[1];
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			if (parseInt(uas.match(/[0-9.]{3,}/)) >= 420) {
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				safariGoodEnough = true;
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			}
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		}
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		if ((dj_undef("behaviorFastParse", djConfig) ? (safariGoodEnough) : djConfig["behaviorFastParse"])) {
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			this.applyFast();
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		} else {
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			this.applySlow();
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		}
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		dojo.profile.end("dojo.behavior.apply");
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	};
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	this.matchCache = {};
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	this.elementsById = function (id, handleRemoved) {
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		var removed = [];
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		var added = [];
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		arrIn(this.matchCache, id);
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		if (handleRemoved) {
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			var nodes = this.matchCache[id];
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			for (var x = 0; x < nodes.length; x++) {
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				if (nodes[x].id != "") {
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					removed.push(nodes[x]);
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					nodes.splice(x, 1);
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					x--;
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				}
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			}
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		}
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		var tElem = dojo.byId(id);
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		while (tElem) {
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			if (!tElem["idcached"]) {
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				added.push(tElem);
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			}
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			tElem.id = "";
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			tElem = dojo.byId(id);
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		}
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		this.matchCache[id] = this.matchCache[id].concat(added);
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		dojo.lang.forEach(this.matchCache[id], function (node) {
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			node.id = id;
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			node.idcached = true;
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		});
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		return {"removed":removed, "added":added, "match":this.matchCache[id]};
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	};
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	this.applyToNode = function (node, action, ruleSetName) {
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		if (typeof action == "string") {
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			dojo.event.topic.registerPublisher(action, node, ruleSetName);
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		} else {
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			if (typeof action == "function") {
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				if (ruleSetName == "found") {
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					action(node);
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				} else {
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					dojo.event.connect(node, ruleSetName, action);
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				}
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			} else {
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				action.srcObj = node;
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				action.srcFunc = ruleSetName;
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				dojo.event.kwConnect(action);
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			}
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		}
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	};
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	this.applyFast = function () {
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		dojo.profile.start("dojo.behavior.applyFast");
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		forIn(this.behaviors, function (tBehavior, id) {
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			var elems = dojo.behavior.elementsById(id);
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			dojo.lang.forEach(elems.added, function (elem) {
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				forIn(tBehavior, function (ruleSet, ruleSetName) {
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					if (dojo.lang.isArray(ruleSet)) {
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						dojo.lang.forEach(ruleSet, function (action) {
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							dojo.behavior.applyToNode(elem, action, ruleSetName);
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						});
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					}
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				});
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			});
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		});
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		dojo.profile.end("dojo.behavior.applyFast");
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	};
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	this.applySlow = function () {
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		dojo.profile.start("dojo.behavior.applySlow");
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		var all = document.getElementsByTagName("*");
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		var allLen = all.length;
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		for (var x = 0; x < allLen; x++) {
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			var elem = all[x];
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			if ((elem.id) && (!elem["behaviorAdded"]) && (this.behaviors[elem.id])) {
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				elem["behaviorAdded"] = true;
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				forIn(this.behaviors[elem.id], function (ruleSet, ruleSetName) {
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					if (dojo.lang.isArray(ruleSet)) {
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						dojo.lang.forEach(ruleSet, function (action) {
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							dojo.behavior.applyToNode(elem, action, ruleSetName);
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						});
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					}
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				});
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			}
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		}
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		dojo.profile.end("dojo.behavior.applySlow");
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	};
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};
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dojo.addOnLoad(dojo.behavior, "apply");
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