810 lines
17 KiB
JavaScript
Executable File
810 lines
17 KiB
JavaScript
Executable File
/**
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Kis JS Keep It Simple JS Library
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Copyright Timothy J. Warren
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License Public Domain
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Version 0.9.0
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*/
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(function (undefined){
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"use strict";
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/**
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* Current selector object
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*
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* @memberOf $_
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* @name el
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*/
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var sel;
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/**
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* $_
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*
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* Constructor function
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*
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* @constructor
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* @namespace $_
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* @param {string} selector - The dom selector string
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* @param {Object} [context] - Context of the dom selector string
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* @return {Object}
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*/
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var $_ = function(s, context)
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{
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// Have documentElement be default selector, just in case
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if (s === undefined)
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{
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// Defines a "global" selector for that instance
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sel = ($_.el !== undefined)
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? $_.el
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: document.documentElement;
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}
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else
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{
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sel = $(s, context);
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}
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// Add the selector to the prototype
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$_.prototype.el = sel;
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// Use the $_ object as it's own prototype
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var self = Object.create($_);
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// Give sel to each extension.
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for(var i in self)
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{
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if(typeof self[i] === "object")
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{
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self[i].el = sel;
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}
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}
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self.el = sel;
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return self;
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};
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/**
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* Simple DOM selector function
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*
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* @memberOf $_
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* @param {string} selector
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* @param {Object} [context]
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* @return {Object}
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*/
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var $ = function (selector, context)
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{
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var elements;
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if (typeof selector != "string" || selector === undefined){ return selector;}
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//Check for a context of a specific element, otherwise, just run on the document
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context = (context != null && context.nodeType === 1)
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? context
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: document;
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//Pick the quickest method for each kind of selector
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if (selector.match(/^#([\w\-]+$)/))
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{
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return document.getElementById(selector.split('#')[1]);
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}
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else
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{
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elements = context.querySelectorAll(selector);
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}
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//Return the single object if applicable
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return (elements.length === 1) ? elements[0] : elements;
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};
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/**
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* Adds the property `obj` to the $_ object, calling it `name`
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*
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* @memberOf $_
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* @function ext
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* @example $_.ext('foo', {});
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* @param {string} name - name of the module
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* @param {object} obj - the object to add
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*/
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$_.ext = function(name, obj)
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{
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obj.el = sel;
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$_[name] = obj;
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};
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/**
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* Iterates over a $_ object, applying a callback to each item
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*
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* @memberOf $_
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* @function each
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* @example $_('form input').each(function(item) { alert(item) });
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* @param {function} callback - iteration callback
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*/
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$_.ext('each', function(callback)
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{
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if(sel.length !== undefined && sel !== window)
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{
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[].forEach.call(sel, callback);
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}
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else
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{
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callback.call(sel, sel);
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}
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});
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/**
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* Retrieves the type of the passed variable
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*
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* @memberOf $_
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* @function type
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* @example $_.type([]); // Returns 'array'
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* @param {*} obj
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* @return {string}
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*/
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var type = function(obj)
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{
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if((function() {return obj && (obj !== this)}).call(obj))
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{
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//fallback on 'typeof' for truthy primitive values
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return (typeof obj).toLowerCase();
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}
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//Strip x from [object x] and return
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return ({}).toString.call(obj).match(/\s([a-z|A-Z]+)/)[1].toLowerCase();
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};
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//Set global variables
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$_ = window.$_ = window.$_ || $_;
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$_.$ = $;
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$_.type = type;
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}());
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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/**
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* Ajax
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*
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* Module for making ajax requests
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*/
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(function (undefined){
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"use strict";
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var ajax = {
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_do: function (url, data, success_callback, error_callback, type)
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{
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var type,
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request = new XMLHttpRequest();
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if (success_callback === undefined)
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{
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/**
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* @private
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*/
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success_callback = function (){};
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}
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if (type === "GET")
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{
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url += (url.match(/\?/))
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? this._serialize(data)
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: "?" + this._serialize(data);
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}
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request.open(type, url);
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request.onreadystatechange = function ()
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{
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if (request.readyState === 4)
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{
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if (request.status === 200)
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{
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success_callback.call(request.responseText, request.responseText);
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}
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else
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{
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if (error_callback !== undefined)
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{
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error_callback.call(request.status, request.status);
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}
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}
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}
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};
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if (type !== "GET")
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{
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request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
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request.send(this._serialize(data));
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}
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else
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{
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request.send(null);
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}
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},
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/**
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* Url encoding for non-get requests
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*
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* @param data
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* @returns {string}
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* @private
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*/
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_serialize: function (data)
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{
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var name,
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value,
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pairs = [];
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for (name in data)
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{
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if ( ! data.hasOwnProperty(name) || $_.type(data[name]) === "function")
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{
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continue;
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}
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value = data[name].toString();
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name = encodeURIComponent(name);
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value = encodeURIComponent(value);
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pairs.push(name + "=" + value);
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}
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return pairs.join("&");
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}
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};
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/**
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* Sends a GET type ajax request
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*
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* @function get
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* @memberOf $_
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* @param {string} url - The url to retrieve
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* @param {Object} data - get parameters to send
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* @param {function} success_callback - callback called on success
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* @param {function} [error_callback] - callback called if there is an error
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*/
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$_.ext('get', function (url, data, success_callback, error_callback){
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ajax._do(url, data, success_callback, error_callback, 'GET');
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});
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/**
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* Sends a POST type ajax request
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*
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* @function post
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* @memberOf $_
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* @param {string} url - The url to post to
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* @param {Object} data - post parameters to send
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* @param {function} success_callback - callback called on success
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* @param {function} [error_callback] - callback called if there is an error
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*/
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$_.ext('post', function (url, data, success_callback, error_callback){
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ajax._do(url, data, success_callback, error_callback, 'POST');
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});
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/**
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* Sends a PUT type ajax request
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*
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* @function put
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* @memberOf $_
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* @param {string} url - The url to post to
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* @param {Object} data - PUT parameters to send
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* @param {function} success_callback - callback called on success
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* @param {function} [error_callback] - callback called if there is an error
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*/
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$_.ext('put', function (url, data, success_callback, error_callback){
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ajax._do(url, data, success_callback, error_callback, 'PUT');
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});
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/**
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* Sends a DELETE type ajax request
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*
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* @function delete
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* @memberOf $_
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* @param {string} url - The url to post to
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* @param {Object} data - delete parameters to send
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* @param {function} success_callback - callback called on success
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* @param {function} [error_callback] - callback called if there is an error
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*/
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$_.ext('delete', function (url, data, success_callback, error_callback){
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ajax._do(url, data, success_callback, error_callback, 'DELETE');
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});
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}());
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// --------------------------------------------------------------------------
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/**
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* Event
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*
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* Event api wrapper
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* @todo Add method for triggering events
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*/
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(function (undefined){
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"use strict";
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var _add_remove, e, _attach_delegate;
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_add_remove = function (sel, event, callback, add)
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{
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var i, len;
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// Multiple events? Run recursively!
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if ( ! event.match(/^([\w\-]+)$/))
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{
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event = event.split(" ");
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len = event.length;
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for (i = 0; i < len; i++)
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{
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_add_remove(sel, event[i], callback, add);
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}
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return;
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}
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// Bind the event
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(add === true)
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? sel.addEventListener(event, callback, false)
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: sel.removeEventListener(event, callback, false);
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};
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_attach_delegate = function(sel, target, event, callback)
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{
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// attach the listener to the parent object
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_add_remove(sel, event, function(e){
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var elem, t;
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// Get the live version of the target selector
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t = $_.$(target, sel);
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// Check each element to see if it matches the target
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for(elem in t)
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{
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// Fire target callback when event bubbles from target
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if(e.target == t[elem])
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{
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// Trigger the event callback
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callback.call(t[elem], e);
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// Stop event propegation
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e.stopPropagation();
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}
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}
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}, true);
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};
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// --------------------------------------------------------------------------
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/**
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* Event Listener module
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*
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* @namespace
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* @name event
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* @memberOf $_
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*/
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e = {
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/**
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* Create a custom event
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*
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* @memberOf $_.event
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* @name create
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* @function
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* @example var event = $_("#selector").event.create('foo', {});
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* @param {string} name
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* @param {object} [data]
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* @return {Object}
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*/
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create: function(name, data)
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{
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data = data || {};
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// Okay, I guess we have to do this the hard way... :(
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var e = document.createEvent('CustomEvent');
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e.initCustomEvent(name, true, true, data);
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return e;
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},
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/**
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* Adds an event that returns a callback when triggered on the selected
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* event and selector
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*
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* @memberOf $_.event
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* @name add
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* @function
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* @example $_("#selector").event.add("click", do_something());
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* @param {string} event
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* @param {function} callback
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*/
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add: function (event, callback)
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{
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$_.each(function(e){
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_add_remove(e, event, callback, true);
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});
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},
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/**
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* Removes an event bound the the specified selector, event type, and callback
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*
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* @memberOf $_.event
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* @name remove
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* @function
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* @example $_("#selector").event.remove("click", do_something());
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* @param {string} event
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* @param {string} callback
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*/
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remove: function (event, callback)
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{
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$_.each(function(e){
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_add_remove(e, event, callback, false);
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});
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},
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/**
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* Binds a persistent event to the document
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*
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* @memberOf $_.event
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* @name live
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* @function
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* @example $_.event.live(".button", "click", do_something());
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* @param {string} target
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* @param {string} event
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* @param {function} callback
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*/
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live: function (target, event, callback)
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{
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_attach_delegate(document.documentElement, target, event, callback);
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},
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/**
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* Binds an event to a parent object
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*
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* @memberOf $_.event
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* @name delegate
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* @function
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* @example $_("#parent").delegate(".button", "click", do_something());
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* @param {string} target
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* @param {string} event
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* @param {function} callback
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*/
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delegate: function (target, event, callback)
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{
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$_.each(function(e){
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_attach_delegate(e, target, event, callback);
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});
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},
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/**
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* Trigger an event to fire
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*
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* @memberOf $_.event
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* @name trigger
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* @function
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* @example $_("#my_id").trigger('click');
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* @param {object} event
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* @return {boolean}
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*/
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trigger: function(event)
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{
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return this.el.dispatchEvent(event);
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}
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};
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$_.ext('event', e);
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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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*/
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(function (undefined){
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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;
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//Get the value of the attribute, if it exists
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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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//Well, I guess that attribute doesn't exist
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if (oldVal === undefined && (value === undefined || value === null))
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{
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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 (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 (value !== undefined && value !== null)
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{
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sel.setAttribute(name, value);
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}
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else if (value === null)
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{
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sel.removeAttribute(name);
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}
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return (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 String(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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//Camel-case
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prop = _toCamel(prop);
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//If you don't define a value, try returning the existing value
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if(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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// Let's set a value instead
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if(sel.style[prop] !== undefined)
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{
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sel.style[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]
|
|
*/
|
|
show: function (type)
|
|
{
|
|
if (type === undefined)
|
|
{
|
|
type = "block";
|
|
}
|
|
|
|
this.css("display", type);
|
|
},
|
|
/**
|
|
* Sets attributes on element(s) specified by the current
|
|
* selector, or, if name is not specified, returns the
|
|
* value of the attribute of the element specified by the
|
|
* current selector.
|
|
*
|
|
* @name attr
|
|
* @memberOf $_.dom
|
|
* @function
|
|
* @param {string} name
|
|
* @param {?string}[value]
|
|
* @return {?string}
|
|
*/
|
|
attr: function (name, value)
|
|
{
|
|
var sel = this.el;
|
|
|
|
//Make sure you don't try to get a bunch of elements
|
|
if (sel.length > 1 && value === undefined)
|
|
{
|
|
return null;
|
|
}
|
|
else if (sel.length > 1 && value !== undefined) //You can set a bunch, though
|
|
{
|
|
$_.each(function (e){
|
|
return _attr(e, name, value);
|
|
});
|
|
}
|
|
else //Normal behavior
|
|
{
|
|
return _attr(sel, name, value);
|
|
}
|
|
},
|
|
/**
|
|
* Sets or retrieves the text content of the element
|
|
* specified by the current selector. If a value is
|
|
* passed, it will set that value on the current element,
|
|
* otherwise it will return the value of the current element
|
|
*
|
|
* @name text
|
|
* @memberOf $_.dom
|
|
* @function
|
|
* @param {?string} [value]
|
|
* @return {?string}
|
|
*/
|
|
text: function (value)
|
|
{
|
|
var oldValue, set, sel;
|
|
|
|
sel = this.el;
|
|
|
|
set = (value !== undefined) ? true : false;
|
|
|
|
oldValue = sel.textContent;
|
|
|
|
if(set)
|
|
{
|
|
sel.textContent = value;
|
|
return value;
|
|
}
|
|
else
|
|
{
|
|
return oldValue;
|
|
}
|
|
},
|
|
/**
|
|
* Sets or retrieves a css property of the element
|
|
* specified by the current selector. If a value is
|
|
* passed, it will set that value on the current element,
|
|
* otherwise it will return the value of the css property
|
|
* on the current element.
|
|
*
|
|
* Accepts either key/value arguments, or an object with
|
|
* multiple key/value pairs.
|
|
*
|
|
* @example $_('#foo').dom.css('border', 0);
|
|
* @example $_('#foo').dom.css({background:'#000', color:'#fff'});
|
|
* @name css
|
|
* @memberOf $_.dom
|
|
* @function
|
|
* @param {(string|Object)} property
|
|
* @param {?string} [value]
|
|
* @return {?string}
|
|
*/
|
|
css: function (prop, val)
|
|
{
|
|
var prop_key = null;
|
|
|
|
// If passed an object, recurse!
|
|
if($_.type(prop) === 'object')
|
|
{
|
|
Object.keys(prop).forEach(function(prop_key) {
|
|
$_.each(function (e){
|
|
_css(e, prop_key, prop[prop_key]);
|
|
});
|
|
});
|
|
}
|
|
//Return the current value if a value is not set
|
|
else if(val === undefined && $_.type(prop) !== 'object')
|
|
{
|
|
return _css(this.el, prop);
|
|
}
|
|
|
|
$_.each(function (e){
|
|
_css(e, prop, val);
|
|
});
|
|
},
|
|
/**
|
|
* Adds to the innerHTML of the current element, after the last child.
|
|
*
|
|
* @example $_("ul").dom.append("<li></li>"); // Adds an li element to the end of the selected ul element
|
|
* @name append
|
|
* @memberOf $_.dom
|
|
* @function
|
|
* @param {string} htm
|
|
*/
|
|
append: function(htm)
|
|
{
|
|
this.el.insertAdjacentHTML('beforeend', htm);
|
|
},
|
|
/**
|
|
* Adds to the innerHTML of the selected element, before the current children
|
|
*
|
|
* @example $_("ul").dom.append("<li></li>"); // Adds an li element to the beginning of the selected ul element
|
|
* @name prepend
|
|
* @memberOf $_.dom
|
|
* @function
|
|
* @param {string} htm
|
|
*/
|
|
prepend: function(htm)
|
|
{
|
|
this.el.insertAdjacentHTML('afterbegin', htm);
|
|
},
|
|
/**
|
|
* Sets or gets the innerHTML propery of the element(s) passed
|
|
*
|
|
* @name html
|
|
* @memberOf $_.dom
|
|
* @function
|
|
* @param {?string} [htm]
|
|
* @return {?string}
|
|
*/
|
|
html: function(htm)
|
|
{
|
|
|
|
if(htm !== undefined)
|
|
{
|
|
this.el.innerHTML = htm;
|
|
}
|
|
|
|
//If the parameter is undefined, just return the current value
|
|
return this.el.innerHTML;
|
|
}
|
|
};
|
|
|
|
$_.ext('dom', d);
|
|
|
|
}());
|