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