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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 ) ) {
instance.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 );