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/* ****************************** Semantic Module: Carousel Author: Jack Lukic Notes: First Commit May 28, 2013
A carousel alternates between several pieces of content in sequence.
****************************** */
;(function ( $, window, document, undefined ) {
$.fn.carousel = function(parameters) { var $allModules = $(this), settings = $.extend(true, {}, $.fn.carousel.settings, parameters),
eventNamespace = '.' + settings.namespace, moduleNamespace = 'module-' + settings.namespace, moduleSelector = $allModules.selector || '',
time = new Date().getTime(), performance = [],
query = arguments[0], methodInvoked = (typeof query == 'string'), queryArguments = [].slice.call(arguments, 1), invokedResponse ;
$allModules .each(function() { var $module = $(this), $arrows = $(settings.selector.arrows), $leftArrow = $(settings.selector.leftArrow), $rightArrow = $(settings.selector.rightArrow), $content = $(settings.selector.content), $navigation = $(settings.selector.navigation), $navItem = $(settings.selector.navItem), selector = $module.selector || '', element = this, instance = $module.data('module-' + settings.namespace), className = settings.className, namespace = settings.namespace, errors = settings.errors, module ;
module = {
initialize: function() { module.openingAnimation(); module.marquee.autoAdvance(); $leftArrow .on('click', module.marquee.left) ; $rightArrow .on('click', module.marquee.right) ; $navItem .on('click', module.marquee.change) ; },
destroy: function() { module.verbose('Destroying previous module for', $module); $module .off(namespace) ; }, left: function() { var $activeContent = $content.filter('.' + className.active), currentIndex = $content.index($activeContent), imageCount = $content.size(), newIndex = (currentIndex - 1 != -1) ? (currentIndex - 1) : (imageCount - 1) ; $navItem .eq(newIndex) .trigger('click') ; },
right: function() { var $activeContent = $content.filter('.' + className.active), currentIndex = $content.index($activeContent), imageCount = $content.size(), newIndex = (currentIndex + 1 != imageCount) ? (currentIndex + 1) : 0 ; $navItem .eq(newIndex) .trigger('click') ; },
change: function() { var $selected = $(this), selectedIndex = $navItem.index($selected), $selectedImage = $content.eq(selectedIndex) ; module.marquee.autoAdvance(); $selected .addClass('active') .siblings() .removeClass('active') ; $selectedImage .addClass('active animated fadeIn') .siblings('.' + className.active) .removeClass('animated fadeIn scaleIn') .animate({ opacity: 0 }, 500, function(){ $(this) .removeClass('active') .removeAttr('style') ; }) ; },
autoAdvance: function() { clearInterval(module.timer); module.timer = setInterval(module.marquee.right, settings.duration); },
setting: function(name, value) { if(value !== undefined) { if( $.isPlainObject(name) ) { module.verbose('Modifying settings object', name, value); $.extend(true, settings, name); } else { module.verbose('Modifying setting', name, value); settings[name] = value; } } else { return settings[name]; } }, internal: function(name, value) { if(value !== undefined) { if( $.isPlainObject(name) ) { module.verbose('Modifying internal property', name, value); $.extend(true, module, name); } else { module.verbose('Changing internal method to', value); module[name] = value; } } else { return module[name]; } }, debug: function() { if(settings.debug) { if(settings.performance) { module.performance.log(arguments); } else { module.debug = Function.prototype.bind.call(console.info, console, settings.moduleName + ':'); } } }, verbose: function() { if(settings.verbose && settings.debug) { if(settings.performance) { module.performance.log(arguments); } else { module.verbose = Function.prototype.bind.call(console.info, console, settings.moduleName + ':'); } } }, error: function() { module.error = Function.prototype.bind.call(console.log, console, settings.moduleName + ':'); }, performance: { log: function(message) { var currentTime, executionTime, previousTime ; if(settings.performance) { currentTime = new Date().getTime(); previousTime = time || currentTime, executionTime = currentTime - previousTime; time = currentTime; performance.push({ 'Element' : element, 'Name' : message[0], 'Arguments' : message[1] || 'None', 'Execution Time' : executionTime }); clearTimeout(module.performance.timer); module.performance.timer = setTimeout(module.performance.display, 100); } }, display: function() { var title = settings.moduleName, caption = settings.moduleName + ': ' + moduleSelector + '(' + $allModules.size() + ' elements)', totalExecutionTime = 0 ; if(moduleSelector) { title += ' Performance (' + moduleSelector + ')'; } if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) { console.groupCollapsed(title); if(console.table) { $.each(performance, function(index, data) { totalExecutionTime += data['Execution Time']; }); console.table(performance); } else { $.each(performance, function(index, data) { totalExecutionTime += data['Execution Time']; console.log(data['Name'] + ': ' + data['Execution Time']+'ms'); }); } console.log('Total Execution Time:', totalExecutionTime +'ms'); console.groupEnd(); performance = []; time = false; } } }, invoke: function(query, passedArguments, context) { var maxDepth, found ; passedArguments = passedArguments || queryArguments; context = element || context; if(typeof query == 'string' && instance !== undefined) { query = query.split('.'); maxDepth = query.length - 1; $.each(query, function(depth, value) { if( $.isPlainObject( instance[value] ) && (depth != maxDepth) ) { instance = instance[value]; return true; } else if( instance[value] !== undefined ) { found = instance[value]; return true; } module.error(errors.method); return false; }); } if ( $.isFunction( found ) ) { module.verbose('Executing invoked function', found); return found.apply(context, passedArguments); } return found || false; } };
if(methodInvoked) { if(instance === undefined) { module.initialize(); } invokedResponse = module.invoke(query); } else { if(instance !== undefined) { module.destroy(); } module.initialize(); } }) ; return (invokedResponse) ? invokedResponse : this ; };
$.fn.carousel.settings = {
moduleName : 'Carousel Module', namespace : 'carousel',
verbose : true, debug : true, performance : true, // delegated event context
duration: 5000,
errors : { method : 'The method you called is not defined.' },
selector : { arrows : '.arrow', leftArrow : '.left.arrow', rightArrow : '.right.arrow', content : '.content', navigation : '.navigation', navItem : '.navigation .icon' },
className : { active : 'active' }
};
})( jQuery, window , document );
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