535 lines
11 KiB
JavaScript
Executable File
535 lines
11 KiB
JavaScript
Executable File
//This is used so IE can use the classList api
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/*
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* classList.js: Cross-browser full element.classList implementation.
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* 2011-06-15
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*
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* By Eli Grey, http://eligrey.com
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* Public Domain.
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* NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
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*/
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if (typeof document !== "undefined" && !("classList" in document.createElement("a")))
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{
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(function (view){
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var classListProp = "classList",
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protoProp = "prototype",
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elemCtrProto = (view.HTMLElement || view.Element)[protoProp],
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objCtr = Object,
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strTrim = String[protoProp].trim ||
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function ()
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{
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return this.replace(/^\s+|\s+$/g, "");
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},
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arrIndexOf = Array[protoProp].indexOf ||
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function (item)
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{
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var
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i = 0,
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len = this.length;
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for (; i < len; i++)
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{
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if (i in this && this[i] === item)
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{
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return i;
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}
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}
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return -1;
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}
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// Vendors: please allow content code to instantiate DOMExceptions
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,
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/**
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* @private
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*/
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DOMEx = function (type, message)
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{
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this.name = type;
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this.code = DOMException[type];
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this.message = message;
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},
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/**
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* @private
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*/
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checkTokenAndGetIndex = function (classList, token)
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{
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if (token === "")
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{
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throw new DOMEx("SYNTAX_ERR", "An invalid or illegal string was specified");
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}
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if (/\s/.test(token))
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{
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throw new DOMEx("INVALID_CHARACTER_ERR", "String contains an invalid character");
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}
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return arrIndexOf.call(classList, token);
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},
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/**
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* @private
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*/
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ClassList = function (elem)
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{
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var
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trimmedClasses = strTrim.call(elem.className),
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classes = trimmedClasses ? trimmedClasses.split(/\s+/) : [],
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i = 0,
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len = classes.length;
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for (; i < len; i++)
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{
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this.push(classes[i]);
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}
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this._updateClassName = function ()
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{
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elem.className = this.toString();
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};
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},
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classListProto = ClassList[protoProp] = [],
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/**
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* @private
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*/
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classListGetter = function ()
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{
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return new ClassList(this);
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};
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// Most DOMException implementations don't allow calling DOMException's toString()
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// on non-DOMExceptions. Error's toString() is sufficient here.
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DOMEx[protoProp] = Error[protoProp];
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classListProto.item = function (i)
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{
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return this[i] || null;
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};
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classListProto.contains = function (token)
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{
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token += "";
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return checkTokenAndGetIndex(this, token) !== -1;
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};
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classListProto.add = function (token)
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{
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token += "";
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if (checkTokenAndGetIndex(this, token) === -1)
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{
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this.push(token);
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this._updateClassName();
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}
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};
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classListProto.remove = function (token)
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{
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token += "";
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var index = checkTokenAndGetIndex(this, token);
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if (index !== -1)
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{
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this.splice(index, 1);
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this._updateClassName();
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}
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};
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classListProto.toggle = function (token)
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{
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token += "";
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if (checkTokenAndGetIndex(this, token) === -1)
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{
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this.add(token);
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}
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else
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{
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this.remove(token);
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}
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};
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classListProto.toString = function ()
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{
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return this.join(" ");
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};
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if (objCtr.defineProperty)
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{
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var classListPropDesc = {
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get: classListGetter,
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enumerable: true,
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configurable: true
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};
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try
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{
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objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
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}
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catch (ex)
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{ // IE 8 doesn't support enumerable:true
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if (ex.number === -0x7FF5EC54)
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{
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classListPropDesc.enumerable = false;
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objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
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}
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}
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}
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else if (objCtr[protoProp].__defineGetter__)
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{
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elemCtrProto.__defineGetter__(classListProp, classListGetter);
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}
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}(self));
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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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*/
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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/properties
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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 null;
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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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/**
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* Change css property name to it's
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* javascript camel case equivalent
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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 null;
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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 null;
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}
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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 $_.dom
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* @function
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* @param string name
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* @param [string] value
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* @return string
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* @type string
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*/
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attr: function (name, value)
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{
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var sel = this.el;
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//Make sure you don't try to get a bunch of elements
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if (sel.length > 1 && typeof value === "undefined")
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{
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return null;
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}
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else if (sel.length > 1 && typeof value !== "undefined") //You can set a bunch, though
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{
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$_.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.textContent !== "undefined")
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? "textContent"
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: (typeof sel.innerText !== "undefined")
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? "innerText"
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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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* Adds to the innerHTML of the current element, after the last child.
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*
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* @example $_("ul").dom.append("<li></li>") adds an li element to the end of the selected ul element
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* @name append
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* @memberOf $_.dom
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* @function
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* @param string htm
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*/
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append: function(htm)
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{
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if(typeof document.insertAdjacentHTML !== "undefined")
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{
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this.el.insertAdjacentHTML('beforeend', htm);
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}
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else
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{
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this.el.innerHTML += htm;
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}
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},
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/**
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* Adds to the innerHTML of the selected element, before the current children
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*
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* @name prepend
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* @memberOf $_.dom
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* @function
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* @param string htm
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*/
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prepend: function(htm)
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{
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if(typeof document.insertAdjacentHTML !== "undefined")
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{
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this.el.insertAdjacentHTML('afterbegin', htm);
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}
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else
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{
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this.el.innerHTML = htm + this.el.innerHTML;
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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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}()); |