Improve output: distinguish between failed assertions (failures) and unexpected exceptions (errors), and print a filtered stack trace for any exception.
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248
webapp/web/src/behavior.js
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248
webapp/web/src/behavior.js
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/*
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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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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]){ obj[name] = []; }
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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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// FIXME: need a better test so we don't exclude nightly Safari's!
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this.behaviors = {};
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this.add = function(behaviorObj){
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/* behavior objects are specified in the following format:
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*
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* {
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* "#id": {
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* "found": function(element){
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* // ...
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* },
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*
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* "onblah": {targetObj: foo, targetFunc: "bar"},
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*
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* "onblarg": "/foo/bar/baz/blarg",
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*
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* "onevent": function(evt){
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* },
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*
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* "onotherevent: function(evt){
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* // ...
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* }
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* },
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*
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* "#id2": {
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* // ...
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* },
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*
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* "#id3": function(element){
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* // ...
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* },
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*
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* // publish the match on a topic
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* "#id4": "/found/topic/name",
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*
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* // match all direct descendants
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* "#id4 > *": function(element){
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* // ...
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* },
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*
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* // match the first child node that's an element
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* "#id4 > @firstElement": { ... },
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*
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* // match the last child node that's an element
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* "#id4 > @lastElement": { ... },
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*
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* // all elements of type tagname
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* "tagname": {
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* // ...
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* },
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*
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* // maps to roughly:
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* // dojo.lang.forEach(body.getElementsByTagName("tagname1"), function(node){
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* // dojo.lang.forEach(node.getElementsByTagName("tagname2"), function(node2){
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* // dojo.lang.forEach(node2.getElementsByTagName("tagname3", function(node3){
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* // // apply rules
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* // });
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* // });
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* // });
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* "tagname1 tagname2 tagname3": {
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* // ...
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* },
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*
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* ".classname": {
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* // ...
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* },
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*
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* "tagname.classname": {
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* // ...
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* },
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* }
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*
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* The "found" method is a generalized handler that's called as soon
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* as the node matches the selector. Rules for values that follow also
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* apply to the "found" key.
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*
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* The "on*" handlers are attached with dojo.event.connect(). If the
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* value is not a function but is rather an object, it's assumed to be
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* the "other half" of a dojo.event.kwConnect() argument object. It
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* may contain any/all properties of such a connection modifier save
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* for the sourceObj and sourceFunc properties which are filled in by
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* the system automatically. If a string is instead encountered, the
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* node publishes the specified event on the topic contained in the
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* string value.
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*
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* If the value corresponding to the ID key is a function and not a
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* list, it's treated as though it was the value of "found".
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*
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*/
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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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// note, we apply one way for fast queries and one way for slow
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// iteration. So be it.
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var safariGoodEnough = (!r.safari);
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if(r.safari){
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// Anything over release #420 should work the fast way
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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 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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this.applyFast = function(){
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dojo.profile.start("dojo.behavior.applyFast");
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// fast DOM queries...wheeee!
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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,
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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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});
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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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// iterate. Ugg.
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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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