116 lines
2.9 KiB
JavaScript
116 lines
2.9 KiB
JavaScript
(function (MemoryGame, EventDispatcher, $) {
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/**
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* Controls all the operations for each card.
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*
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* @class H5P.MemoryGame.Card
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* @param {Object} parameters
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* @param {Number} id
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*/
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MemoryGame.Card = function (parameters, id) {
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var self = this;
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// Initialize event inheritance
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EventDispatcher.call(self);
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var path = H5P.getPath(parameters.image.path, id);
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var width, height, margin, $card;
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var a = 96;
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if (parameters.image.width !== undefined && parameters.image.height !== undefined) {
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if (parameters.image.width > parameters.image.height) {
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width = a;
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height = parameters.image.height * (width / parameters.image.width);
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margin = '' + ((a - height) / 2) + 'px 0 0 0';
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}
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else {
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height = a;
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width = parameters.image.width * (height / parameters.image.height);
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margin = '0 0 0 ' + ((a - width) / 2) + 'px';
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}
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}
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else {
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width = height = a;
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}
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/**
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* Flip card.
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*/
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self.flip = function () {
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$card.addClass('h5p-flipped');
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self.trigger('flip');
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};
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/**
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* Flip card back.
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*/
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self.flipBack = function () {
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$card.removeClass('h5p-flipped');
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};
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/**
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* Remove.
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*/
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self.remove = function () {
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$card.addClass('h5p-matched');
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};
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/**
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* Get card description.
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*
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* @returns {string}
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*/
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self.getDescription = function () {
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return parameters.description;
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};
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/**
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* Get image clone.
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*
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* @returns {H5P.jQuery}
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*/
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self.getImage = function () {
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return $card.find('img').clone();
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};
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/**
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* Append card to the given container.
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*
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* @param {H5P.jQuery} $container
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*/
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self.appendTo = function ($container) {
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// TODO: Translate alt attr
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$card = $('<li class="h5p-memory-card" role="button" tabindex="1">' +
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'<div class="h5p-front"></div>' +
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'<div class="h5p-back">' +
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'<img src="' + path + '" alt="Memory Card" width="' + width + '" height="' + height + '"' + (margin === undefined ? '' : ' style="margin:' + margin + '"') + '/>' +
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'</div>' +
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'</li>')
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.appendTo($container)
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.children('.h5p-front')
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.click(function () {
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self.flip();
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})
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.end();
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};
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};
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// Extends the event dispatcher
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MemoryGame.Card.prototype = Object.create(EventDispatcher.prototype);
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MemoryGame.Card.prototype.constructor = MemoryGame.Card;
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/**
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* Check to see if the given object corresponds with the semantics for
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* a memory game card.
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*
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* @param {object} params
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* @returns {boolean}
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*/
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MemoryGame.Card.isValid = function (params) {
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return (params !== undefined &&
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params.image !== undefined &&
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params.image.path !== undefined);
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};
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})(H5P.MemoryGame, H5P.EventDispatcher, H5P.jQuery);
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