568 lines
10 KiB
JavaScript
Executable File
568 lines
10 KiB
JavaScript
Executable File
/**
|
|
Kis JS Keep It Simple JS Library
|
|
Copyright Timothy J. Warren
|
|
License Public Domain
|
|
Version 0.7.0
|
|
*/
|
|
(function (){
|
|
|
|
"use strict";
|
|
|
|
// Most functions rely on a string selector
|
|
// which returns html elements. This requires
|
|
// document.querySelectorAll or a custom
|
|
// selector engine. I choose to just use the
|
|
// browser feature, since it is present in
|
|
// IE 8+, and all other major browsers
|
|
if (typeof document.querySelector === "undefined")
|
|
{
|
|
return;
|
|
}
|
|
|
|
var $_, $, dcopy, sel;
|
|
|
|
|
|
/**
|
|
* $_
|
|
*
|
|
* Constructor function
|
|
*
|
|
* @constuctor
|
|
* @namespace
|
|
* @param string selector
|
|
* @return object
|
|
*/
|
|
$_ = function(s)
|
|
{
|
|
// Have documentElement be default selector, just in case
|
|
if (typeof s === "undefined")
|
|
{
|
|
// Defines a "global" selector for that instance
|
|
sel = (typeof $_.el !== "undefined")
|
|
? $_.el
|
|
: document.documentElement;
|
|
}
|
|
else
|
|
{
|
|
sel = $(s);
|
|
}
|
|
|
|
// Add the selector to the prototype
|
|
$_.prototype.el = sel;
|
|
|
|
// Use the $_ object as it's own prototype
|
|
var self = dcopy($_);
|
|
|
|
// Give sel to each extension.
|
|
for(var i in self)
|
|
{
|
|
if(typeof self[i] === "object")
|
|
{
|
|
self[i].el = sel;
|
|
}
|
|
}
|
|
|
|
self.el = sel;
|
|
|
|
return self;
|
|
};
|
|
|
|
/**
|
|
* Simple DOM selector function
|
|
*
|
|
* @memberOf $_
|
|
* @param string selector
|
|
* @param object context
|
|
* @return object
|
|
* @type object
|
|
*/
|
|
$ = function (a, context)
|
|
{
|
|
var x, c;
|
|
|
|
if (typeof a != "string" || typeof a === "undefined"){ return a;}
|
|
|
|
//Check for a context of a specific element, otherwise, just run on the document
|
|
c = (context != null && context.nodeType === 1)
|
|
? context
|
|
: document;
|
|
|
|
//Pick the quickest method for each kind of selector
|
|
if (a.match(/^#([\w\-]+$)/))
|
|
{
|
|
return document.getElementById(a.split('#')[1]);
|
|
}
|
|
else
|
|
{
|
|
x = c.querySelectorAll(a);
|
|
}
|
|
|
|
//Return the single object if applicable
|
|
return (x.length === 1) ? x[0] : x;
|
|
};
|
|
|
|
/**
|
|
* Deep copy/prototypical constructor function
|
|
*
|
|
* @param object obj
|
|
* @private
|
|
* @return object
|
|
* @type object
|
|
*/
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
F = function(){};
|
|
|
|
F.prototype = obj;
|
|
|
|
return new F();
|
|
|
|
};
|
|
|
|
/**
|
|
* Adds the property `obj` to the $_ object, calling it `name`
|
|
*
|
|
* @param string name
|
|
* @param object obj
|
|
*/
|
|
$_.ext = function(name, obj)
|
|
{
|
|
obj.el = sel;
|
|
$_[name] = obj;
|
|
};
|
|
|
|
/**
|
|
* Iterates over a $_ object, applying a callback to each item
|
|
*
|
|
* @name $_.each
|
|
* @function
|
|
* @param function callback
|
|
*/
|
|
$_.ext('each', function (callback)
|
|
{
|
|
if(typeof sel.length !== "undefined" && sel !== window)
|
|
{
|
|
// Use the native method, if it exists
|
|
if(typeof Array.prototype.forEach !== 'undefined')
|
|
{
|
|
[].forEach.call(sel, callback);
|
|
return;
|
|
}
|
|
|
|
// Otherwise, fall back to a for loop
|
|
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.call(selx, selx);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
callback.call(sel, sel);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Retrieves the type of the passed variable
|
|
*
|
|
* @param mixed obj
|
|
* @return string
|
|
* @type string
|
|
*/
|
|
$_.type = function(obj)
|
|
{
|
|
if((function() {return obj && (obj !== this)}).call(obj))
|
|
{
|
|
//fallback on 'typeof' for truthy primitive values
|
|
return (typeof obj).toLowerCase();
|
|
}
|
|
|
|
//Strip x from [object x] and return
|
|
return ({}).toString.call(obj).match(/\s([a-z|A-Z]+)/)[1].toLowerCase();
|
|
};
|
|
|
|
//Set global variables
|
|
$_ = window.$_ = window.$_ || $_;
|
|
$_.$ = $;
|
|
|
|
}());
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
* A module of various browser polyfills
|
|
* @file polyfill.js
|
|
*/
|
|
|
|
/**
|
|
* String trim function polyfill
|
|
*/
|
|
if(typeof String.prototype.trim === "undefined")
|
|
{
|
|
/**
|
|
* @private
|
|
*/
|
|
String.prototype.trim = function()
|
|
{
|
|
return this.replace(/^[\s\uFEFF]+|[\s\uFEFF]+$/g, "");
|
|
};
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Array.isArray polyfill
|
|
*/
|
|
if (typeof Array.isArray === "undefined")
|
|
{
|
|
Array.isArray = function(v)
|
|
{
|
|
return Object.prototype.toString.apply(v) === '[object Array]';
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Ajax
|
|
*
|
|
* Module for making ajax requests
|
|
*/
|
|
(function (){
|
|
|
|
"use strict";
|
|
|
|
// Don't bother even defining the object if the XMLHttpRequest isn't available
|
|
if(typeof window.XMLHttpRequest === "undefined")
|
|
{
|
|
return;
|
|
}
|
|
|
|
var ajax = {
|
|
_do: function (url, data, success_callback, error_callback, isPost)
|
|
{
|
|
var type,
|
|
request = new XMLHttpRequest();
|
|
|
|
if (typeof success_callback === "undefined")
|
|
{
|
|
/**
|
|
* @private
|
|
*/
|
|
success_callback = function (){};
|
|
}
|
|
|
|
type = (isPost) ? "POST" : "GET";
|
|
|
|
if (type === "GET")
|
|
{
|
|
url += (url.match(/\?/))
|
|
? this._serialize(data)
|
|
: "?" + this._serialize(data);
|
|
}
|
|
|
|
request.open(type, url);
|
|
|
|
request.onreadystatechange = function ()
|
|
{
|
|
if (request.readyState === 4)
|
|
{
|
|
if (request.status === 200)
|
|
{
|
|
success_callback.call(request.responseText, request.responseText);
|
|
}
|
|
else
|
|
{
|
|
if (typeof error_callback !== 'undefined')
|
|
{
|
|
error_callback.call(request.status, request.status);
|
|
}
|
|
}
|
|
|
|
}
|
|
};
|
|
|
|
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 name,
|
|
value,
|
|
pairs = [];
|
|
|
|
for (name in data)
|
|
{
|
|
if (!data.hasOwnProperty(name))
|
|
{
|
|
continue;
|
|
}
|
|
if (typeof data[name] === "function")
|
|
{
|
|
continue;
|
|
}
|
|
|
|
value = data[name].toString();
|
|
|
|
name = encodeURIComponent(name);
|
|
value = encodeURIComponent(value);
|
|
|
|
pairs.push(name + "=" + value);
|
|
}
|
|
|
|
return pairs.join("&");
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Sends a GET type ajax request
|
|
*
|
|
* @name get
|
|
* @function
|
|
* @memberOf $_
|
|
* @param string url
|
|
* @param object data
|
|
* @param function success_callback
|
|
* @param function error_callback
|
|
*/
|
|
$_.ext('get', function (url, data, success_callback, error_callback){
|
|
ajax._do(url, data, success_callback, error_callback, false);
|
|
});
|
|
|
|
/**
|
|
* Sends a POST type ajax request
|
|
*
|
|
* @name post
|
|
* @function
|
|
* @memberOf $_
|
|
* @param string url
|
|
* @param object data
|
|
* @param function success_callback
|
|
* @param function error_callback
|
|
*/
|
|
$_.ext('post', function (url, data, success_callback, error_callback){
|
|
ajax._do(url, data, success_callback, error_callback, true);
|
|
});
|
|
|
|
/**
|
|
* Watches for server-sent events and applies a callback on message
|
|
*
|
|
* @name sse
|
|
* @function
|
|
* @memberOf $_
|
|
* @param string url
|
|
* @param function callback
|
|
*/
|
|
$_.ext('sse', function(url, callback){
|
|
|
|
var source;
|
|
|
|
// Check for server-sent event support
|
|
if (typeof EventSource !== 'undefined')
|
|
{
|
|
source = new EventSource(url);
|
|
|
|
// Apply the callback
|
|
source.onmessage = function(event){
|
|
callback.call(event.data, event.data);
|
|
};
|
|
}
|
|
});
|
|
|
|
}());
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Event
|
|
*
|
|
* Event api wrapper
|
|
* @todo Add method for triggering events
|
|
*/
|
|
(function (){
|
|
|
|
"use strict";
|
|
|
|
var _add_remove, e, _attach_delegate;
|
|
|
|
// Don't bother defining the methods if event api isn't supports
|
|
if (typeof document.addEventListener === "undefined")
|
|
{
|
|
return false;
|
|
}
|
|
|
|
_add_remove = function (sel, event, callback, add)
|
|
{
|
|
var i, len;
|
|
|
|
if(typeof sel === "undefined")
|
|
{
|
|
return null;
|
|
}
|
|
|
|
// Multiple events? Run recursively!
|
|
if ( ! event.match(/^([\w\-]+)$/))
|
|
{
|
|
event = event.split(" ");
|
|
|
|
len = event.length;
|
|
|
|
for (i = 0; i < len; i++)
|
|
{
|
|
_add_remove(sel, event[i], callback, add);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
// Bind the event
|
|
(add === true)
|
|
? sel.addEventListener(event, callback, false)
|
|
: sel.removeEventListener(event, callback, false);
|
|
};
|
|
|
|
_attach_delegate = function(sel, target, event, callback)
|
|
{
|
|
// attach the listener to the parent object
|
|
_add_remove(sel, event, function(e){
|
|
|
|
var elem, t;
|
|
|
|
// Get the live version of the target selector
|
|
t = $_.$(target, sel);
|
|
|
|
// Check each element to see if it matches the target
|
|
for(elem in t)
|
|
{
|
|
// Fire target callback when event bubbles from target
|
|
if(e.target == t[elem])
|
|
{
|
|
// Trigger the event callback
|
|
callback.call(t[elem], e);
|
|
|
|
// Stop event propegation
|
|
e.stopPropagation();
|
|
}
|
|
}
|
|
|
|
}, true);
|
|
};
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Event Listener module
|
|
*
|
|
* @namespace
|
|
* @name event
|
|
* @memberOf $_
|
|
*/
|
|
e = {
|
|
/**
|
|
* Adds an event that returns a callback when triggered on the selected
|
|
* event and selector
|
|
*
|
|
* @memberOf $_.event
|
|
* @name add
|
|
* @function
|
|
* @example Eg. $_("#selector").event.add("click", do_something());
|
|
* @param string event
|
|
* @param function callback
|
|
*/
|
|
add: function (event, callback)
|
|
{
|
|
$_.each(function(e){
|
|
_add_remove(e, event, callback, true);
|
|
});
|
|
},
|
|
/**
|
|
* Removes an event bound the the specified selector, event type, and callback
|
|
*
|
|
* @memberOf $_.event
|
|
* @name remove
|
|
* @function
|
|
* @example Eg. $_("#selector").event.remove("click", do_something());
|
|
* @param string event
|
|
* @param string callback
|
|
*/
|
|
remove: function (event, callback)
|
|
{
|
|
$_.each(function(e){
|
|
_add_remove(e, event, callback, false);
|
|
});
|
|
},
|
|
/**
|
|
* Binds a persistent event to the document
|
|
*
|
|
* @memberOf $_.event
|
|
* @name live
|
|
* @function
|
|
* @example Eg. $_.event.live(".button", "click", do_something());
|
|
* @param string target
|
|
* @param string event
|
|
* @param function callback
|
|
*/
|
|
live: function (target, event, callback)
|
|
{
|
|
_attach_delegate(document.documentElement, target, event, callback);
|
|
},
|
|
/**
|
|
* Binds an event to a parent object
|
|
*
|
|
* @memberOf $_.event
|
|
* @name delegate
|
|
* @function
|
|
* @example Eg. $_("#parent").delegate(".button", "click", do_something());
|
|
* @param string target
|
|
* @param string event_type
|
|
* @param function callback
|
|
*/
|
|
delegate: function (target, event, callback)
|
|
{
|
|
$_.each(function(e){
|
|
_attach_delegate(e, target, event, callback);
|
|
});
|
|
}
|
|
};
|
|
|
|
$_.ext('event', e);
|
|
|
|
}());
|