kis-js/kis-custom.js

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2011-10-18 11:08:51 -04:00
/**
Kis JS Keep It Simple JS Library
Copyright Timothy J. Warren
License Public Domain
Version 0.3.0
*/
(function (){
"use strict";
//Browser requirements check
if (!document.querySelectorAll)
{
return;
}
var $_, $, dcopy, sel;
/**
* $
*
* Simple DOM selector function
*/
$ = function (a)
{
var x;
if (typeof a !== "string" || typeof a === "undefined"){ return a;}
//Pick the quickest method for each kind of selector
if(a.match(/^#([\w\-]+$)/))
{
return document.getElementById(a.split('#')[1]);
}
else if(a.match(/^([\w\-]+)$/))
{
x = document.getElementsByTagName(a);
}
else
{
x = document.querySelectorAll(a);
}
//Return the single object if applicable
return (x.length === 1) ? x[0] : x;
};
/**
* $_
*
* Constructor function
*/
$_ = function(s)
{
//Have documentElement be default selector, just in case
if(typeof s === "undefined")
{
sel = (typeof $_.el !== "undefined")
? $_.el
: document.documentElement;
}
else
{
sel = (typeof s !== "object") ? $(s) : s;
}
// Make a copy before adding properties
var self = dcopy($_);
// Give sel to each extension.
for(var i in self)
{
if(typeof self[i] === "object")
{
self[i].el = sel;
}
}
self.el = sel;
return self;
};
/**
* Deep copy/prototypical constructor function
*/
dcopy = function(obj)
{
var type, F;
if(typeof obj === "undefined")
{
return;
}
if(typeof Object.create !== "undefined")
{
return Object.create(obj);
}
type = typeof obj;
if(type !== "object" && type !== "function")
{
return;
}
F = function(){};
F.prototype = obj;
return new F();
};
//Function to add to $_ object, and get sel
$_.ext = function(name, obj)
{
obj.el = sel;
$_[name] = obj;
};
//Selector iteration
$_.ext('each', function (callback)
{
if(typeof sel.length !== "undefined" && sel !== window)
{
var len = sel.length;
if (len === 0)
{
return;
}
var selx;
for (var x = 0; x < len; x++)
{
selx = (sel.item(x)) ? sel.item(x) : sel[x];
callback(selx);
}
}
else
{
callback(sel);
}
});
//Type retriever
$_.type = function(obj)
{
if((function() {return obj && (obj !== this)}).call(obj))
{
//fallback on 'typeof' for truthy primitive values
return (typeof obj).toLowerCase();
}
return ({}).toString.call(obj).match(/\s([a-z|A-Z]+)/)[1].toLowerCase();
}
//Set global variables
$_ = window.$_ = window.$_ || $_;
$_.$ = $;
//console.log polyfill
if(typeof window.console === "undefined")
{
window.console = {
log:function(){}
};
}
/**
* String trim function polyfill
*/
if(typeof String.prototype.trim === "undefined")
{
String.prototype.trim = function(){
return this.replace(/^\s+|\s+$/g, "");
};
}
}());
// --------------------------------------------------------------------------
//Function to maintain module scope
(function(){
"use strict";
//Fix $_ is not defined errors
var $_ = $_ || window.$_;
// --------------------------------------------------------------------------
/*
* classList.js: Cross-browser full element.classList implementation.
* 2011-06-15
*
* By Eli Grey, http://eligrey.com
* Public Domain.
* NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
*/
if (typeof document !== "undefined" && !("classList" in document.createElement("a")))
{
(function (view){
var classListProp = "classList",
protoProp = "prototype",
elemCtrProto = (view.HTMLElement || view.Element)[protoProp],
objCtr = Object,
strTrim = String[protoProp].trim ||
function ()
{
return this.replace(/^\s+|\s+$/g, "");
},
arrIndexOf = Array[protoProp].indexOf ||
function (item)
{
var
i = 0,
len = this.length;
for (; i < len; i++)
{
if (i in this && this[i] === item)
{
return i;
}
}
return -1;
}
// Vendors: please allow content code to instantiate DOMExceptions
,
DOMEx = function (type, message)
{
this.name = type;
this.code = DOMException[type];
this.message = message;
},
checkTokenAndGetIndex = function (classList, token)
{
if (token === "")
{
throw new DOMEx("SYNTAX_ERR", "An invalid or illegal string was specified");
}
if (/\s/.test(token))
{
throw new DOMEx("INVALID_CHARACTER_ERR", "String contains an invalid character");
}
return arrIndexOf.call(classList, token);
},
ClassList = function (elem)
{
var
trimmedClasses = strTrim.call(elem.className),
classes = trimmedClasses ? trimmedClasses.split(/\s+/) : [],
i = 0,
len = classes.length;
for (; i < len; i++)
{
this.push(classes[i]);
}
this._updateClassName = function ()
{
elem.className = this.toString();
};
},
classListProto = ClassList[protoProp] = [],
classListGetter = function ()
{
return new ClassList(this);
};
// Most DOMException implementations don't allow calling DOMException's toString()
// on non-DOMExceptions. Error's toString() is sufficient here.
DOMEx[protoProp] = Error[protoProp];
classListProto.item = function (i)
{
return this[i] || null;
};
classListProto.contains = function (token)
{
token += "";
return checkTokenAndGetIndex(this, token) !== -1;
};
classListProto.add = function (token)
{
token += "";
if (checkTokenAndGetIndex(this, token) === -1)
{
this.push(token);
this._updateClassName();
}
};
classListProto.remove = function (token)
{
token += "";
var index = checkTokenAndGetIndex(this, token);
if (index !== -1)
{
this.splice(index, 1);
this._updateClassName();
}
};
classListProto.toggle = function (token)
{
token += "";
if (checkTokenAndGetIndex(this, token) === -1)
{
this.add(token);
}
else
{
this.remove(token);
}
};
classListProto.toString = function ()
{
return this.join(" ");
};
if (objCtr.defineProperty)
{
var classListPropDesc = {
get: classListGetter,
enumerable: true,
configurable: true
};
try
{
objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
}
catch (ex)
{ // IE 8 doesn't support enumerable:true
if (ex.number === -0x7FF5EC54)
{
classListPropDesc.enumerable = false;
objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
}
}
}
else if (objCtr[protoProp].__defineGetter__)
{
elemCtrProto.__defineGetter__(classListProp, classListGetter);
}
}(self));
}
// --------------------------------------------------------------------------
/**
* Dom manipulation object
*
*/
(function (){
var d, tag_reg, class_reg;
tag_reg = /^([\w\-]+)$/;
class_reg = /\.([\w\-]+)$/;
//Private function for getting/setting attributes
function _attr(sel, name, value)
{
var oldVal, doAttr;
//Get the value of the attribute, if it exists
if (typeof sel.hasAttribute !== "undefined")
{
if (sel.hasAttribute(name))
{
oldVal = sel.getAttribute(name);
}
doAttr = true;
}
else if (typeof sel[name] !== "undefined")
{
oldVal = sel[name];
doAttr = false;
}
else if (name === "class" && typeof sel.className !== "undefined") //className attribute
{
name = "className";
oldVal = sel.className;
doAttr = false;
}
//Well, I guess that attribute doesn't exist
if (typeof oldVal === "undefined" && (typeof value === "undefined" || value === null))
{
console.log(value);
console.log(sel);
console.log("Element does not have the selected attribute");
return;
}
//No value to set? Return the current value
if (typeof value === "undefined")
{
return oldVal;
}
//Determine what to do with the attribute
if (typeof value !== "undefined" && value !== null)
{
if(doAttr === true)
{
sel.setAttribute(name, value);
}
else
{
sel[name] = value;
}
}
else if (value === null)
{
if(doAttr === true)
{
sel.removeAttribute(name);
}
else
{
delete sel[name];
}
}
return (typeof value !== "undefined") ? value : oldVal;
}
function _toCamel(s)
{
return s.replace(/(\-[a-z])/g, function($1){
return $1.toUpperCase().replace('-','');
});
}
function _css(sel, prop, val)
{
var equi;
//Camel-case
prop = _toCamel(prop);
//Equivalent properties for 'special' browsers
equi = {
outerHeight: "offsetHeight",
outerWidth: "offsetWidth",
top: "posTop"
};
//If you don't define a value, try returning the existing value
if(typeof val === "undefined" && sel.style[prop] !== "undefined")
{
return sel.style[prop];
}
else if(typeof val === "undefined" && sel.style[equi[prop]] !== "undefined")
{
return sel.style[equi[prop]];
}
//Let's try the easy way first
if(typeof sel.style[prop] !== "undefined")
{
sel.style[prop] = val;
//Short circuit
return;
}
else if(sel.style[equi[prop]])
{
sel.style[equi[prop]] = val;
return;
}
//No matches? Well, lets log it for now
console.log("Property " + prop + " nor an equivalent seems to exist");
}
function _sel_filter(filter, curr_sel)
{
var i,
len = curr_sel.length,
matches = [];
//Filter by tag
if(filter.match(tag_reg))
{
for(i=0;i<len;i++)
{
if(curr_sel[i].tagName.toLowerCase() == filter.toLowerCase())
{
matches.push(curr_sel[i]);
}
}
}
else if(filter.match(class_reg))
{
//Remove the .
filter = filter.replace(".", "");
for(i=0;i<len;i++)
{
if(curr_sel[i].classList.contains(filter))
{
matches.push(curr_sel[i]);
}
}
}
else
{
console.log(filter+" is not a valid filter");
}
return (matches.length == 1) ? matches[0] : matches;
}
// --------------------------------------------------------------------------
d = {
addClass: function (c)
{
$_.each(function (e){
e.classList.add(c);
});
},
removeClass: function (c)
{
$_.each(function (e){
e.classList.remove(c);
});
},
hide: function ()
{
this.css('display', 'none');
},
show: function (type)
{
if (typeof type === "undefined")
{
type = "block";
}
this.css("display", type);
},
attr: function (name, value)
{
var sel = this.el;
//Make sure you don't try to get a bunch of elements
if (sel.length > 1 && typeof value === "undefined")
{
console.log(sel);
console.log("Must be a singular element");
return;
}
else if (sel.length > 1 && typeof value !== "undefined") //You can set a bunch, though
{
$_.each(function (e){
return _attr(e, name, value);
});
}
else //Normal behavior
{
return _attr(sel, name, value);
}
},
text: function (value)
{
var oldValue, set, type, sel;
sel = this.el;
set = (typeof value !== "undefined") ? true : false;
type = (typeof sel.innerText !== "undefined")
? "innerText"
: (typeof sel.textContent !== "undefined")
? "textContent"
: "innerHTML";
oldValue = sel[type];
if(set)
{
sel[type] = value;
return value;
}
else
{
return oldValue;
}
},
css: function (prop, val)
{
//Return the current value if a value is not set
if(typeof val === "undefined")
{
return _css(this.el, prop);
}
$_.each(function (e){
_css(e, prop, val);
});
},
children: function(filter)
{
//Return the children directly, if there is no filter
if(typeof filter === "undefined")
{
return $_(this.el.children);
}
var childs = (typeof this.el.children !== "undefined") ? this.el.children : this.el;
if($_.type(filter) !== "string")
{
return $_(filter);
}
else if(filter.match(/#([\w\-]+$)/))
{
return $_($_.$(filter));
}
else
{
var filtered = _sel_filter(filter, childs);
return $_(filtered);
}
}
};
$_.ext('dom', d);
}());
// --------------------------------------------------------------------------
/**
* Store object
*
* Wrapper for localstorage data serialization
*/
(function (){
var store = {
get: function (key)
{
return JSON.parse(localStorage.getItem(key));
},
set: function (key, value)
{
if (typeof value !== "string")
{
value = JSON.stringify(value);
}
localStorage.setItem(key, value);
},
getAll: function ()
{
var i,
len,
data;
len = localStorage.length;
data = {};
for (i = 0; i < len; i++)
{
var name = localStorage.key(i);
var value = localStorage.getItem(name);
data[name] = value;
}
return data;
}
};
$_.ext('store', store);
}());
// --------------------------------------------------------------------------
/**
* Qs
*
* Object for encoding and decoding querystrings and hashbang strings
*/
(function (){
$_.hb = (history.pushState) ? false : true;
var qs = {
parse: function (hb)
{
hb = hb || $_.hb;
var h, i, hString, pairs, pLen, data, y;
data = {};
if (hb === true)
{
h = location.hash.split('#!/');
hString = (h.length > 1) ? h[1] : '';
}
else if (hb === false || hb === undefined)
{
hString = window.location.search.substring(1);
}
else
{
return false;
}
pairs = hString.split('&');
pLen = pairs.length;
for (i = 0; i < pLen; i++)
{
y = pairs[i].split('=');
if (y.length < 2)
{
return data;
}
data[y[0]] = y[1];
}
return data;
},
set: function (key, value, hb)
{
hb = hb || $_.hb;
var pairs = this.parse(hb);
if (key !== undefined && value !== undefined)
{
pairs[key] = value;
}
var vars = [];
for (var x in pairs)
{
if (pairs.hasOwnProperty(x))
{
vars.push(x + '=' + pairs[x]);
}
}
var qs = vars.join('&');
if (hb === true)
{
qs = '!/' + qs;
location.hash = qs;
}
return qs;
},
get: function (key, hb)
{
hb = hb || $_.hb;
var pairs = this.parse(hb);
return (pairs[key]) ? pairs[key] : '';
}
};
$_.ext('qs', qs);
}());
// --------------------------------------------------------------------------
/**
* Ajax
*
* Object for making ajax requests
*/
(function (){
var ajax = {
_do: function (url, data, callback, isPost)
{
if (typeof callback === "undefined")
{
callback = function (){};
}
var request = (typeof window.XMLHttpRequest !== "undefined")
? new XMLHttpRequest()
: false;
var type = (isPost) ? "POST" : "GET";
url += (type === "GET") ? "?"+this._serialize(data) : '';
request.open(type, url);
request.onreadystatechange = function ()
{
if (request.readyState === 4)
{
callback(request.responseText);
}
};
if (type === "POST")
{
request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
request.send(this._serialize(data));
}
else
{
request.send(null);
}
},
_serialize: function (data)
{
var pairs = [];
for (var name in data)
{
if (!data.hasOwnProperty(name))
{
continue;
}
if (typeof data[name] === "function")
{
continue;
}
var value = data[name].toString();
name = encodeURIComponent(name);
value = encodeURIComponent(value);
pairs.push(name + "=" + value);
}
return pairs.join("&");
}
};
$_.ext('get', function (url, data, callback){
ajax._do(url, data, callback, false);
});
$_.ext('post', function (url, data, callback){
ajax._do(url, data, callback, true);
});
}());
// --------------------------------------------------------------------------
/**
* Event object
*
* Event api wrapper
*/
(function (){
// Property name for expandos on DOM objects
var kis_expando = "KIS_0_3_0";
var attach, remove, add_remove, e, attach_delegate, attach_live;
// Define the proper attach and remove functions
// based on browser support
if(typeof document.addEventListener !== "undefined")
{
attach = function (sel, event, callback)
{
if (typeof sel.addEventListener !== "undefined")
{
sel.addEventListener(event, callback, false);
}
};
remove = function (sel, event, callback)
{
if (typeof sel.removeEventListener !== "undefined")
{
sel.removeEventListener(event, callback, false);
}
};
}
//typeof function doesn't work in IE where attachEvent is available: brute force it
else if(typeof document.attachEvent !== "undefined")
{
attach = function (sel, event, callback)
{
function listener () {
// Internet Explorer fails to correctly set the 'this' object
// for event listeners, so we need to set it ourselves.
callback.apply(arguments);
}
if (typeof sel.attachEvent !== "undefined")
{
remove(event, callback); // Make sure we don't have duplicate listeners
sel.attachEvent("on" + event, listener);
// Store our listener so we can remove it later
var expando = sel[kis_expando] = sel[kis_expando] || {};
expando.listeners = expando.listeners || {};
expando.listeners[event] = expando.listeners[event] || [];
expando.listeners[event].push({
callback: callback,
listener: listener
});
}
else
{
console.log("Failed to attach event:"+event+" on "+sel);
}
};
remove = function (sel, event, callback)
{
if(typeof sel.detachEvent !== "undefined")
{
var expando = sel[kis_expando];
if (expando && expando.listeners
&& expando.listeners[event])
{
var listeners = expando.listeners[event];
var len = listeners.length;
for (var i=0; i<len; i++)
{
if (listeners[i].callback === callback)
{
sel.detachEvent("on" + event, listeners[i].listener);
listeners.splice(i, 1);
if(listeners.length === 0)
{
delete expando.listeners[event];
}
return;
}
}
}
}
};
}
add_remove = function (sel, event, callback, add)
{
var i, len;
if(typeof sel === "undefined")
{
console.log(arguments);
console.log(event);
return false;
}
//Multiple events? Run recursively!
if (!event.match(/^([\w\-]+)$/))
{
event = event.split(" ");
len = event.length;
for (i = 0; i < len; i++)
{
add_remove(sel, event[i], callback, add);
}
return;
}
if(add === true)
{
attach(sel, event, callback);
}
else
{
remove(sel, event, callback);
}
};
attach_delegate = function(sel, target, event, callback)
{
//Attach the listener to the parent object
add_remove(sel, event, function(e){
//Get the live version of the target selector
sel = $_.$(sel);
//todo: fire target callback when event bubbles from target
}, true);
};
attach_live = function(target, event, callback)
{
attach_delegate(document.documentElement, target, event, callback);
};
// --------------------------------------------------------------------------
e = {
add: function (event, callback)
{
$_.each(function(e){
add_remove(e, event, callback, true);
});
},
remove: function (event, callback)
{
$_.each(function(e){
add_remove(e, event, callback, false);
});
},
live: function (event, callback)
{
$_.each(function(e){
attach_live(e, event, callback);
});
},
delegate: function(target, event, callback)
{
$_.each(function(e){
attach_delegate(e, target, event, callback);
});
}
};
$_.ext('event', e);
}());
}());