331 lines
6.4 KiB
JavaScript
331 lines
6.4 KiB
JavaScript
/**
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* DOM
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*
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* Dom manipulation module
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*/
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(function (){
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"use strict";
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var d;
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//Private function for getting/setting attributes
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function _attr(sel, name, value)
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{
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var oldVal, doAttr;
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//Get the value of the attribute, if it exists
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if (typeof sel.hasAttribute !== "undefined")
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{
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if (sel.hasAttribute(name))
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{
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oldVal = sel.getAttribute(name);
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}
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doAttr = true;
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}
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else if (typeof sel[name] !== "undefined")
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{
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oldVal = sel[name];
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doAttr = false;
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}
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else if (name === "class" && typeof sel.className !== "undefined") //className attribute
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{
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name = "className";
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oldVal = sel.className;
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doAttr = false;
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}
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//Well, I guess that attribute doesn't exist
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if (typeof oldVal === "undefined" && (typeof value === "undefined" || value === null))
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{
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console.log(value);
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console.log(sel);
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console.log("Element does not have the selected attribute");
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return;
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}
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//No value to set? Return the current value
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if (typeof value === "undefined")
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{
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return oldVal;
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}
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//Determine what to do with the attribute
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if (typeof value !== "undefined" && value !== null)
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{
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if(doAttr === true)
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{
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sel.setAttribute(name, value);
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}
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else
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{
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sel[name] = value;
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}
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}
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else if (value === null)
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{
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if(doAttr === true)
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{
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sel.removeAttribute(name);
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}
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else
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{
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delete sel[name];
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}
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}
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return (typeof value !== "undefined") ? value : oldVal;
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}
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function _toCamel(s)
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{
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return s.replace(/(\-[a-z])/g, function($1){
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return $1.toUpperCase().replace('-','');
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});
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}
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function _css(sel, prop, val)
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{
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var equi;
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//Camel-case
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prop = _toCamel(prop);
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//Equivalent properties for 'special' browsers
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equi = {
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outerHeight: "offsetHeight",
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outerWidth: "offsetWidth",
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top: "posTop"
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};
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//If you don't define a value, try returning the existing value
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if(typeof val === "undefined" && sel.style[prop] !== "undefined")
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{
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return sel.style[prop];
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}
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else if(typeof val === "undefined" && sel.style[equi[prop]] !== "undefined")
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{
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return sel.style[equi[prop]];
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}
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//Let's try the easy way first
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if(typeof sel.style[prop] !== "undefined")
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{
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sel.style[prop] = val;
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//Short circuit
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return;
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}
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else if(sel.style[equi[prop]])
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{
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sel.style[equi[prop]] = val;
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return;
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}
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//No matches? Well, lets log it for now
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console.log("Property " + prop + " nor an equivalent seems to exist");
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}
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// --------------------------------------------------------------------------
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/**
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* DOM
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*
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* Dom manipulation module
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* @namespace
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* @memberOf $_
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* @name dom
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*/
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d = {
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/**
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* Adds a class to the element(s) specified by the current
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* selector
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*
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* @name addClass
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* @memberOf $_.dom
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* @function
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* @param string class
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*/
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addClass: function (c)
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{
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$_.each(function (e){
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e.classList.add(c);
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});
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},
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/**
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* Removes a class from the element(s) specified by the current
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* selector
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*
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* @name removeClass
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* @memberOf $_.dom
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* @function
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* @param string class
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*/
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removeClass: function (c)
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{
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$_.each(function (e){
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e.classList.remove(c);
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});
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},
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/**
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* Hides the element(s) specified by the current selector
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*
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* @name hide
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* @memberOf $_.dom
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* @function
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*/
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hide: function ()
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{
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this.css('display', 'none');
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},
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/**
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* Shows the element(s) specified by the current selector.
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* if type is specified, the element will have it's style
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* property set to "display:[your type]". If type is not
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* specified, the element is set to "display:block".
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*
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* @name show
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* @memberOf $_.dom
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* @function
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* @param [string] type
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*/
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show: function (type)
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{
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if (typeof type === "undefined")
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{
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type = "block";
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}
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this.css("display", type);
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},
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/**
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* Sets attributes on element(s) specified by the current
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* selector, or, if name is not specified, returns the
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* value of the attribute of the element specified by the
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* current selector.
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*
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* @name attr
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* @memberOf $_.dom
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* @function
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* @param string name
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* @param [string] value
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* @return string
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* @type string
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*/
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attr: function (name, value)
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{
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var sel = this.el;
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//Make sure you don't try to get a bunch of elements
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if (sel.length > 1 && typeof value === "undefined")
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{
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console.log(sel);
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console.log("Must be a singular element");
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return;
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}
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else if (sel.length > 1 && typeof value !== "undefined") //You can set a bunch, though
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{
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$_.each(function (e){
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return _attr(e, name, value);
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});
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}
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else //Normal behavior
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{
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return _attr(sel, name, value);
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}
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},
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/**
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* Sets or retrieves the text content of the element
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* specified by the current selector. If a value is
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* passed, it will set that value on the current element,
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* otherwise it will return the value of the current element
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*
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* @name text
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* @memberOf $_.dom
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* @function
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* @param [string] value
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* @return string
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* @type string
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*/
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text: function (value)
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{
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var oldValue, set, type, sel;
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sel = this.el;
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set = (typeof value !== "undefined") ? true : false;
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type = (typeof sel.innerText !== "undefined")
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? "innerText"
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: (typeof sel.textContent !== "undefined")
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? "textContent"
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: "innerHTML";
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oldValue = sel[type];
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if(set)
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{
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sel[type] = value;
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return value;
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}
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else
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{
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return oldValue;
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}
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},
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/**
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* Sets or retrieves a css property of the element
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* specified by the current selector. If a value is
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* passed, it will set that value on the current element,
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* otherwise it will return the value of the css property
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* on the current element
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*
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* @name css
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* @memberOf $_.dom
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* @function
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* @param string property
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* @param [string] value
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* @return string
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* @type string
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*/
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css: function (prop, val)
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{
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//Return the current value if a value is not set
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if(typeof val === "undefined")
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{
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return _css(this.el, prop);
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}
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$_.each(function (e){
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_css(e, prop, val);
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});
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},
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/**
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* Sets or gets the innerHTML propery of the element(s) passed
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*
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* @name html
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* @memberOf $_.dom
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* @function
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* @param [string] htm
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* @return string
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* @type string
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*/
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html: function(htm)
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{
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if(typeof htm !== "undefined")
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{
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this.el.innerHTML = htm;
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}
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//If the parameter is undefined, just return the current value
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return this.el.innerHTML;
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}
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};
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$_.ext('dom', d);
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}());
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