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Diffstat (limited to 'examples/lessons/6_English_VocabularyBirds/js/karma.js')
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diff --git a/examples/lessons/6_English_VocabularyBirds/js/karma.js b/examples/lessons/6_English_VocabularyBirds/js/karma.js deleted file mode 100755 index 03f027b..0000000 --- a/examples/lessons/6_English_VocabularyBirds/js/karma.js +++ /dev/null @@ -1,1018 +0,0 @@ -/* Documentation Note: - * Public methods and properties are commented with /** some text *\/ - * and private methods and properties are commented with // - * - * Please leave it that way to keep this documentation sane - */ - - -/* -* Karma Framework -* http://karmaeducation.org -* -* Copyright (c) 2009 -* Bryan W Berry bryan@olenepal.org -* Felipe López Toledo zer.subzero@gmail.com -* -* Under MIT License: -* Permission is hereby granted, free of charge, to any person -* obtaining a copy of this software and associated documentation -* files (the "Software"), to deal in the Software without -* restriction, including without limitation the rights to use, -* copy, modify, merge, publish, distribute, sublicense, and/or sell -* copies of the Software, and to permit persons to whom the -* Software is furnished to do so, subject to the following -* conditions: -* -* The above copyright notice and this permission notice shall be -* included in all copies or substantial portions of the Software. -* -* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES -* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT -* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, -* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -* OTHER DEALINGS IN THE SOFTWARE. -*/ - -/** -* @fileOverview Contains karma library -* @author Bryan Berry <bryan@olenepal.org> -* @author Felipe Lopez Toledo <zer.subzero@gmail.com> -*/ - - -//common.js modules use exports object -if(!this.exports) { - exports = {}; -} - - - -/** Checks if the current document type is set to HTML 5, throws - * an error otherwise, then initializes the karma object and returns - * a reference to that object. - * @namespace Global namespace for Karma library - * @param {Object} [options={}] options for intializing Karma library - * @param {String} [options.locale=''] sets current locale Not Yet Implemented - * @param {Array} [options.image=[]] array of images to be converted into a collection - * @param {Array} [options.audio=[]] array of audio to be converted into a collection - * @param {Array} [options.video=[]] array of videos to be converted into a collection - * @param {Array} [options.svg=[]] array of SVG elements to be - * converted into a collection. Each SVG element must already exist in the html document - * @param {Array} [options.canvas=[]] array of canvas elements - * to be converted into a collection. Each canvas element must already exist in the - * html document and width and height of each element must be set as attributes - * @throws {Error} if the document type declaration is not set to HTML 5, e.g. - * <!DOCTYPE html> - * @throws {Error} If any of the initialization parameters are invalid values - * @returns {Object} Karma.karma -- reference to the initialized Karma library - * @example - * - * var k = Karma({ - * image: [ - * {name: "ninja", file: "ninja.png"}, - * {name: "cowboy", file: "cowboy.png"} - * ], - * audio: [ - * {name: "woosh", file: "woosh.ogg"}, - * {name: "yeehaw", file: "yeehaw.ogg"} - * ], - * video: [ - * {name: "attack", file: "attack.ogv"}, - * {name: "ride", file: "ride.ogv"} - * ] - * canvas: [ - * {name: "ninja", domId: "ninjaCanvas"}, - * {name: "cowboy", domId: "cowboyCanvas"} - * ], - * svg: [ - * {name: "ninja", domId: "ninjaSvg"}, - * {name: "cowboy", domId: "cowboySvg"} - * ], - * }); - * Next, call the ready function with a callback to your program code - * - * k.ready(function () { ... your application code . . . } - * - * after that you can access each asset like so - * k.image.ninja; - * k.svg.cowboy; - * k.audio.yeehaw.play(); - * k.canvas.ninja.drawImage(k.image.ninja, 0, 0); - * - */ -var Karma = exports.Karma = function (options) { - Karma._isHtml5(document.doctype.nodeName); - - if ( Karma.karma._initialized === true ) { - return Karma.karma; - } else { - return Karma.karma._init(options); - } -}; - - -//helper functions - -/**This emulates the Object.create method in ecmascript 5 spec - * This isn't a full implementation as it doesn't support - * This has the same functionality as Crockford's beget method - * and this primary building block for prototypal inheritance in - * this library - * @param {Object} target that the new object's prototype should point to - * @returns {Object} object whose prototype points to target - * @example - * - * var ninja = { weapon : "sword" }; - * var ninja1 = Karma.create(ninja); - * ninja1.sword === "sword" - */ -Karma.create = function (target){ - function F () {}; - F.prototype = target; - return new F(); -}; - -/** Returns a shallow copy of the passed in object - * @param {Object} target to be copied - * @returns {Object} a shallow copy of target - */ -Karma.clone = function (target){ - var copy = {}; - for ( var i in target ) { - if(target.hasOwnProperty(i)){ - copy[i] = target[i]; - } - } - return copy; -}; - -/** Extends properties of the target object with those of - * the source object - * @param {Object} target object to be extended - * @param {Object} source whose properties will extend target - * @returns {Object} target extended by source - */ -Karma.objectPlus = function (target, source){ - for ( var i in source){ - if (source.hasOwnProperty(i)){ - target[i] = source[i]; - } - } - return target; -}; - -/** Creates a new object that is a prototype of the first argument - * then extends it with the properties of the second argument - * @param {Object} parent1 will be prototype of returned object - * @param {Object} parent2 will extend properties of returned object - * @returns {Object} object that whose prototype is parent1 and has - * been extended with properties of parent2 - */ -Karma.copyObjectPlus = function (parent1, parent2){ - function F () {}; - F.prototype = parent1; - var G = new F(); - return Karma.objectPlus(G, parent2); -}; - -//Enables function chaining for a specified list of function names -//IMPORTANT: use of closures here with "this" and "that" is __very__ -//complicated here -Karma._makeChain = function (chainingFunctions) { - var that = this; - var _chainFunction = function ( name ){ - that[ name ] = function ( ){ - var type = typeof this.ctx[name]; - if ( type === "function") { - this.ctx[ name ].apply( this.ctx, arguments ); - }else if ( type === "string" ){ - this.ctx[ name ] = arguments[0]; - }else { - throw ("wtf?!: impossible to chain " + name + "!"); - } - return this; - }; - }; - - for (var i = 0; i < chainingFunctions.length; i++){ - _chainFunction( chainingFunctions[ i ] ); - } -}; - -//Throws big ugly error if doctype isn't html5 -Karma._isHtml5 = function (doctype){ - var regex = new RegExp('^html$', 'i'); - if(!regex.test(doctype)){ - var errorMsg = "ERROR: The doctype must be set to <!DOCTYPE html> " + - "in order to use Karma. Karma require you use html5"; - var errorElem = document.createElement('div'); - errorElem.setAttribute('id', 'errorDoctype'); - errorElem.innerText = errorMsg; - document.body.appendChild(errorElem); - throw new Error(errorMsg); - } -}; - - -/** Stores global settings for the Karma library - * @class This object stores the global settings for the Karma library - */ -Karma.karma = { - /** This is the global locale as passed to Karma(), - * such as "en", "es_SP" - * @type string - * @default undefined - */ - locale : undefined, - /** Collection of images with special helper - * methods added to each reference - * @type object - * @default empty object - */ - image : {}, - /** Collection of audio with special helper - * methods added to each reference - * @type object - * @default empty object - */ - audio : {}, - /** Collection of canvas with special helper - * methods added to each reference - * @type object - * @default empty object - */ - canvas : {}, - /** Collection of svgs with special helper - * methods added to each reference - * @type object - * @default empty object - */ - svg : {}, - /** Collection of videos with special helper - * methods added to each reference - * @type object - * @default empty object - */ - video : {}, - _localized : false, - _assetPath : "assets/", - _localePath : "", - _initialized : false, - _statusDiv: undefined, - _loaderDiv : undefined, - _counters : { total : 0, errors : 0, loaded : 0}, - - //init initializes all the assets passed to Karma, that's it - //it returns 'this' so it can be used for function chaining - _init: function(options) { - this._initialized = true; - - //set up message that show count of assets loaded - //and has an ordered list to append error messages to - var _statusDiv = this._statusDiv = document.createElement('div'); - this._loaderDiv = this._loaderDiv = document.createElement('div'); - var errorList = document.createElement('ol'); - - _statusDiv.setAttribute('id', 'karma-status'); - _statusDiv.setAttribute('style', 'position:absolute;'); - _statusDiv.innerHTML = 'Karma is loading ...'; - this._loaderDiv.setAttribute('id', 'karma-loader'); - this._loaderDiv.setAttribute('class', 'status'); - errorList.setAttribute('id', 'errorList'); - - _statusDiv.appendChild(this._loaderDiv); - this._statusDiv.appendChild(errorList); - document.body.appendChild(_statusDiv); - - - //chain the functions for kCanvas and kSvg - Karma._makeChain.call(Karma.kCanvas, - Karma.kCanvas._chainingFunctions); - //Karma._makeChain.apply(Karma.kSvg, Karma.kSvg._chainingFunctions); - - - - //regular expression that matches the name of aprivate property - // the karma object - var regexPrivate = new RegExp('^_.*'); - - for ( var option in options ) { - if (options.hasOwnProperty(option)){ - if (option === "image" || option === "audio" || option === - "svg" || option === "video" || option === "canvas"){ - - if(!(options[option] instanceof Array)){ - throw new Error("" + option + " must be an array"); - } else if (options[option].length === 0){ - continue; - } - } else if (regexPrivate.test(option)){ - //don't overwrite a private property of karma object - continue; - } - - switch (option){ - case "locale": - - if (this._isValidLocale(options[option])){ - this.locale = this._normalizeLocale(options[option]); - this._localized = true; - this._localePath = Karma._computeLocalePath(this.locale); - } else { - throw new Error("locale provided to karma._init() is invalid"); - } - - break; - case "image": - options[option]._type = 'image'; - Karma._makeImages(options[option]); - break; - case "audio": - options[option]._type = 'audio'; - Karma._makeAudio(options[option]); - break; - case "video": - options[option]._type = 'video'; - Karma._makeVideos(options[option]); - break; - case "svg": - options[option]._type = 'svg'; - Karma._makeSvgs(options[option]); - break; - case "canvas": - options[option]._type = 'canvas'; - Karma._makeCanvases(options[option]); - break; - } - } - } - - - - return this; - }, - - /** Waits until all assets loaded, i.e. ready, then calls callback - * @param {Function} [cb] callback function - * @returns this - * @throws {Error} if Karma.karma is not initialized with the - * Karma({ options }) function - * @example - * - * var k = Karma({ . . . your assets here . . . }); - * k.ready(function(){ .. your code here . . .}); - * - * your code will not be called until all assets have been loaded - * - */ - ready : function( cb ) { - var that = this; - if (Karma.karma._initialized !== true){ - throw new Error("Karma.karma not initialized"); - } - - if (this._counters.loaded !== this._counters.total){ - setTimeout(function(){ that.ready(cb);}, 5); - } else if (cb) { - //hide the "Karma is loading..." message - this._statusDiv.setAttribute('style', 'display:none;'); - - cb(); - } else if (!cb) { - //hide the "Karma is loading..." message - this._statusDiv.setAttribute('style', 'display:none;'); - - //if no options passed, show it works message - this._showStarterMessage(); - } - - - - - return this; - }, - - //Display Apache-like "It works" message if no options - _showStarterMessage : function (){ - var starterMsg = document.createElement('div'); - starterMsg.setAttribute('id', 'starterMsg'); - starterMsg.innerHTML = "<h1>It Works</h1>"; - document.body.appendChild(starterMsg); - }, - - //Updates visible counter of how many assets are loaded - _updateStatus : function (errorMsg) { - var loaded = this._counters.loaded; - var total = this._counters.total; - var errors = this._counters.errors; - this._loaderDiv.innerHTML = "Loaded " + loaded + " / " + total + - "" + (errors > 0 ? " Errors [ " + errors +" ]" : ''); - if (errorMsg) { - var liError = document.createElement('li'); - liError.innerHTML = errorMsg; - var errorList = document.getElementById('errorList'); - errorList.appendChild(liError); - } - }, - - //matches 2 letter country code then optionally - //a dash or underscore followed by a country or language identifier - //i currently only allow a language identifier 2-3 chars long - _isValidLocale : function (locale) { - var localeRegex = new RegExp('^[a-zA-Z][a-zA-Z]([-_][a-zA-z]{2,3})?$'); - return localeRegex.test(locale); - }, - - _normalizeLocale : function(locale) { - var lang = ""; - var country = ""; - var divider = ""; - - lang = locale.slice(0, 2).toLowerCase(); - divider = "_"; - country = locale.slice(3, 6).toUpperCase(); - - return locale.length > 2 ? "" + lang + divider + country : lang; - }, - - // Below are geometry and math helper methods - - /** - * Converts a value from degrees to radians. - * @param {Number} angle The angle in degrees - * @returns {Number} The angle in radians - */ - radians : function( angle ){ - return ( angle / 180 ) * Math.PI; - }, - /** - * Gets the square of the Euclidian (ordinary) distance between 2 points. - * @param {Object} Point No. 0 - * @param {Number} Point0.x - * @param {Number} Point0.y - * @param {Object} Point No. 1 - * @param {Number} Point1.x - * @param {Number} Point1.y - * @returns {Number} The square of the Euclidian distance - * @example - * - * p0 = {x:0, y:1}; - * p1 = {x:50, y:70}; - * var d = distance2(p0, p1); - * - */ - distance2 : function ( p0, p1 ) { - return (p1.x - p0.x) * (p1.x - p0.x) + (p1.y - p1.y) * (p1.y - p1.y); - }, - /** - * Gets the Euclidian (ordinary) distance between 2 points.<br> - * <b>Warning:</b> It's slower than distance2 function - * @param {Object} Point No. 0 - * @param {Number} Point0.x - * @param {Number} Point0.y - * @param {Object} Point No. 1 - * @param {Number} Point1.x - * @param {Number} Point1.y - * @returns {Number} The Euclidian distance - * @example - * - * p0 = {x:0, y:1}; - * p1 = {x:50, y:70}; - * var d = distance2(p0, p1); - * - */ - distance : function ( p0, p1 ) { - return Math.sqrt( this.distance2( p0, p1 ) ); - }, - /** Returns a random number within the range provided - * @param {Number} lower limit of the range, lowest number that can be returned - * @param {Number} upper limit of the range, highest number that can be returned - * @returns {Number} number that is >= lower and <= upper - * @example - * - * var num = rand(0, 10); - * - * num could be 0, 1, 2, 3 ... or 10 - * - */ - rand : function ( lower, upper ){ - return Math.round( Math.random() * (upper - lower) + lower ); - } - -}; - -/** Prototypal object for images, videos, and audio files but - * does not include svg or canvas elements - * @class This object is the prototype for images, videos, and audio files but - * does not include svg or canvas elements - * @ throws {Error} if the individual asset is set to be localized but - * the globale locale is not set on the Karma.karma object - * @ throws {Error} if the name and file properties are not supplied - * @example - * kMedia is the prototype object for images, audio, and videos. - * These 'media' assets are loaded in a distinctly different way - * from the canvas or svg assets. They also have distinctly different - * helper methods - * - * You initialize the kMedia assets by passing an array of objects - */ -Karma.kMedia = { - /** file location of asset - * @type String - * @default "" - */ - file : "", - /** media object - * @type Audio|Image|Video - * @default undefined - */ - media : undefined, - //actual path to the file - _path : "", - //if using localized version of this asset - _localized : false, - //audio, image, or video - _type : "", - //initializes kMedia instance with values provided by user - _init : function (asset) { - asset._localized = asset._localized || false; - Karma.karma._counters.total++; - - if (asset.name === undefined || asset.file === undefined){ - throw new Error("properties name and file have to be defined"); - } else { - this.name = asset.name; - this.file = asset.file; - } - - //_type is a private variable used internally - if (asset._type === undefined){ - throw new Error("the _type property must be set. " + - "Blame the karma library authors as this is an internal value"); - } else { - if (Karma._isValidType(asset._type)){ - this._type = asset._type; - switch ( this._type ) { - case "image": this.media = new Image(); - break; - case "audio": this.media = new Audio(); - break; - //case "video": - //NYI - //this.media = new Video(); - break; - default: throw new Error("Media type not supported"); - } - - } else { - throw new Error("the _type property supplied is invalid. " + - "Blame the karma library authors as this is an internal value"); - } - } - - if(Karma._isLocalized(asset._localized)){ - this._localized = asset._localized; - this._path = Karma.karma._localePath + - this._type + "/"; - } else { - this._path = Karma.karma._assetPath + - this._type + "/"; - } - - - //IMPORTANT: This one magic line loads the file - this.media.src = this.src = this._path + this.file; - - //add event handlers - this._addEventHandlers(); - - if (this._type === "audio"){ - this.media.autobuffer = true; - this.media.load(); - } - - - return this; - }, - //Adds event handlers to update the counters when - //the asset is successfully or unsuccessfully loaded - _addEventHandlers : function () { - var that = this; - var loadEvent = "load"; - //Browser Hack recommended by chromium devs - //http://code.google.com/p/chromium/issues/detail?id=20251&q=loading%20audio&colspec=ID%20Stars%20Pri%20Area%20Type%20Status%20Summary%20Modified%20Owner%20Mstone%20OS#c4 - if (this._type === "audio" || this._type === "video"){ - loadEvent = "canplaythrough"; - } - - that.media.addEventListener( - loadEvent, - function (e) { - Karma.karma._counters.loaded++; - Karma.karma._updateStatus(); - that.status = "loaded";}, false); - - that.media.addEventListener( - "error", - function (e) { - Karma.karma._counters.errors++; - that.status = "error"; - var errorMsg = "Error: " + that._type.toUpperCase() + - " " + that.name + " cannot be loaded."; - Karma.karma._updateStatus(errorMsg); - }, - false); - that.media.addEventListener( - "abort", - function (e) { - Karma.karma._counters.total++; - that.status = "aborted"; - var errorMsg = "ABORT: " + that._type.toUpperCase() + - " " + that.name + " loading was aborted."; - Karma.karma._updateStatus(errorMsg); - - }, false); - - } - -}; - -//determine if it is a valid type of asset -Karma._isValidType = function (type){ - return type === "image" || - type === "svg" || - type === "audio" || - type === "video" || - type === "canvas"; -}; - -Karma._isLocalized = function (boolLocalized) { - if (typeof boolLocalized === "boolean" ) { - if(boolLocalized === true && - Karma.karma.locale === undefined){ - throw new Error("You cannot localize a media asset" + - " if the global locale for Karma isn't set"); - } else { - return boolLocalized; - } - } else if (typeof boolLocalized === undefined){ - return false; - } else{ - throw new Error("This is not a valid value for the localized option"); - } -}; - -Karma._computeLocalePath = function(locale) { - return Karma.karma._assetPath + locale + "/"; -}; - -Karma._makeImages = function (imgConfigs){ - var makeImage = function (imgConfig){ - var image = undefined; - imgConfig._type = "image"; - image = Karma.create(Karma.kMedia)._init(imgConfig); - Karma.karma.image[imgConfig.name] = image; - }; - - imgConfigs.forEach(function(imgConfig){ makeImage(imgConfig);}); - -}; - -Karma._makeAudio = function (audioConfigs){ - var makeAudio = function (audioConfig){ - var audio = undefined; - audioConfig._type = "audio"; - audio = Karma.create(Karma.kMedia)._init(audioConfig); - audio.play = function () { - //hack to fix the audio "stuttering" problem - //more info: https://bugs.launchpad.net/karma/+bug/426108 - this.media.currentTime = 0.1; - this.media.play(); - }; - Karma.karma.audio[audioConfig.name] = audio; - }; - - audioConfigs.forEach(function(audioConfig){ makeAudio(audioConfig);}); - -}; - - -Karma._makeCanvases = function (canvasConfigs){ - var makeCanvas = function (canvasConfig){ - var canvas = undefined; - canvas = Karma.create(Karma.kCanvas)._init(canvasConfig); - Karma.karma.canvas[canvasConfig.name] = canvas; - }; - - canvasConfigs.forEach(function(canvasConfig){ makeCanvas(canvasConfig);}); - -}; - -/** Prototypal object for each canvas element submitted to Karma in the - * Karma() method - * @throws {Error} if the name and domId for the canvas element are not specified - * @thows {Error} if the supplied domId does not match an element in the DOM - * @class This object is the prototype for each canvas element submitted to Karma in the - * Karma() method - */ -Karma.kCanvas = { - /** Name of the canvas, used internally by karma.js - * @type String - * @default '' - */ - name : '', - /** Width of canvas element - * @type Number - * @default 0 - */ - width: 0, - /** Height of canvas element - * @type Number - * @default 0 - */ - height: 0, - /** Whether canvas is visible - * @type boolean - * @default true - */ - visible: true, - /** Element ID for canvas element in html document - * @type String - * @default undefined - */ - domId: undefined, - /** Reference to the DOM element - * @type DOMElement - * @default undefined - */ - node: undefined, - /** The 2 Dimensional Rendering context property for this canvas - * @type 2DRenderingContext - * @default undefined - */ - ctx: undefined, - /** Frames Per Second, I don't know what the purpose of this is, - * Felipe made it up - * @type Number - * @default 24 - */ - fps: 24, - - //initializes object with values provides by user - _init: function (config) { - for (var option in config){ - if (config.hasOwnProperty(option)){ - switch (option){ - case "name": - this.name = config[option]; - break; - case "domId": - this.domId = config[option]; - break; - case "width": - if(!this.height){ - throw new Error("If you specify a width you must also" + - "specify a height"); - } - this.width = config[option]; - break; - case "height": - if(!this.width){ - throw new Error("If you specify a height you must also" + - "specify a width"); - } - this.height = parseInt(config.option, 10); - break; - case "fps": - this.fps = parseInt(config.option, 10); - break; - } - } - } - - if(this.domId && document.getElementById(this.domId)){ - this.node = document.getElementById(this.domId); - this.ctx = this.node.getContext('2d'); - } else { - throw new Error('you must specify a valid domId that' + - 'is in your html page'); - } - - if(!config.height && !config.width){ - this.width = parseInt(this.node.getAttribute('width'), 10); - this.height = parseInt(this.node.getAttribute('height'), 10); - } - - return this; - }, - /** Clear area of canvas element specified by parameters, if no - * parameters supplied, clears entire canvas - * @param {Number} [x=0] x coordinate, defaults to zero if left blank - * @param {Number} [y=0] y coordinate, defaults to zero if left blank - * @param {Number} [width=0] width of area to be cleared, defaults - * entire width of canvas - * @param {Number} [height=0] height of area to be cleared, defaults - * entire height of canvas - * @returns this - * @example - * - * k.canvas.ninja.clear(); - * // clears the entire ninja canvas - * - * k.canvas.ninja.clear(0, 10, 20, 30); - * //clears a specific portion of the ninja canvas - * - */ - clear : function ( x, y, width, height ) { - var that = this; - that.ctx.clearRect( - x || 0, - y || 0, - width || that.width, - height || that.height - ); - return that; - }, - - //These are all properties or methods of the canvas element's - //2 dimensional context - _chainingFunctions : [ - "globalAlpha", "globalCompositeOperation", "lineWidth", "lineCap", - "lineJoin", "miterLimit", "font", "textAlign", "textBaseline", "save", - "restore", "scale", "rotate", "translate", "transform", "setTransform", - "clearRect", "fillRect", "strokeRect", "beginPath", "closePath", - "moveTo", "lineTo", "quadraticCurveTo", "bezierCurveTo", "arcTo", - "arc", "rect", "fill", "stroke", "clip", "fillText", "strokeText", - "measureText", "isPointInPath", "strokeStyle", "fillStyle", - "createLinearGradient", "createRadialGradient", "createPattern", - "shadowOffsetX", "shadowOffsetY", "shadowBlur", "shadowColor", - //"mozTextStyle", "mozDrawText", "mozMeasureText", "mozPathText", - "mozTextAlongPath", "drawImage", "getImageData", "putImageData", - "createImageData", "drawWindow" - ] -}; - - - -Karma._makeSvgs = function (svgConfigs){ - var makeSvg = function (svgConfig){ - var svg = undefined; - svg = Karma.create(Karma.kSvg)._init(svgConfig); - Karma.karma.svg[svgConfig.name] = svg; - }; - - svgConfigs.forEach(function(svgConfig){ makeSvg(svgConfig);}); - -}; - -/** Prototypal object for each svg element submitted to Karma in the - * Karma() method - * @throws {Error} if the name and domId for the svg element are not specified - * @thows {Error} if the supplied domId does not match an element in the DOM - * @class This object is the prototype for each svg element submitted to Karma in the - * Karma() method - */ -Karma.kSvg = { - /** name of instance, used internally - * @typeof string - * @default "" - */ - name : "", - /** width of element - * @type number - * @default 0 - */ - width: 0, - /** height of element - * @type number - * @default 0 - */ - height: 0, - /** Status of element, either "loaded" or "error" - * @type string - * @default "" - */ - status: "", - /** Whether canvas is visible - * @type boolean - * @default true - */ - visible: true, - /** Element ID for canvas element in html document - * @type String - * @default undefined - */ - domId: undefined, - /** Reference to the DOM element - * @type DOMElement - * @default undefined - */ - node: undefined, - /** Reference to the SVGDocument - * @type SVGDocument - * @default undefined - */ - doc: undefined, - /** Reference to the root element of the SVG Document - * @type DocumentElement - * @default undefined - */ - root: undefined, - _localized : undefined, - _chainingFunctions: [], - _init: function (config) { - Karma.karma._counters.total++; - - for (var option in config){ - if (config.hasOwnProperty(option)){ - switch (option){ - case "name": - this.name = config[option]; - break; - case "domId": - this.domId = config[option]; - break; - case "width": - if(!this.height){ - throw new Error("If you specify a width you must also" + - "specify a height"); - } - this.width = parseInt(config[option], 10); - break; - case "height": - if(!this.width){ - throw new Error("If you specify a height you must also" + - "specify a width"); - } - this.height = config[option]; - break; - case "fps": - this.fps = config[option]; - break; - } - } - } - - if(this.domId && document.getElementById(this.domId)){ - this.node = document.getElementById(this.domId); - } else { - throw new Error('you must specify a valid domId that' + - 'is in your html page'); - } - - if(!config.height && !config.width){ - this.width = parseInt(this.node.getAttribute('width'), 10); - this.height = parseInt(this.node.getAttribute('height'), 10); - } - - var that = this; - that._addEventHandlers(); - - return this; - - - }, - _addEventHandlers : function () { - var that = this; - that.doc = that.node.getSVGDocument(); - that.node.addEventListener( - "load", - function (e) { - that.doc = that.node.getSVGDocument(); - that.root = that.doc.documentElement; - Karma.karma._counters.loaded++; - Karma.karma._updateStatus(); - that.status = "loaded"; - }, false); - - that.node.addEventListener( - "error", - function (e) { - Karma.karma._counters.loaded--; - Karma.karma._counters.errors++; - that.status = "error"; - var errorMsg = "Error: " + that._type.toUpperCase() + - " " + that.name + " cannot be loaded."; - Karma.karma._updateStatus(errorMsg); - }, - false); - that.node.addEventListener( - "abort", - function (e) { - that.status = "aborted"; - var errorMsg = "ABORT: " + that._type.toUpperCase() + - " " + that.name + " loading was aborted."; - Karma.karma._updateStatus(errorMsg); - - }, false); - - } -}; - -Karma._makeVideos = function (video){ - -}; |