static/components/rating.js
/*!
* # Semantic UI 1.12.3 - Rating
* http://github.com/semantic-org/semantic-ui/
*
*
* Copyright 2014 Contributors
* Released under the MIT license
* http://opensource.org/licenses/MIT
*
*/
;(function ($, window, document, undefined) {
"use strict";
$.fn.rating = function(parameters) {
var
$allModules = $(this),
moduleSelector = $allModules.selector || '',
time = new Date().getTime(),
performance = [],
query = arguments[0],
methodInvoked = (typeof query == 'string'),
queryArguments = [].slice.call(arguments, 1),
returnedValue
;
$allModules
.each(function() {
var
settings = ( $.isPlainObject(parameters) )
? $.extend(true, {}, $.fn.rating.settings, parameters)
: $.extend({}, $.fn.rating.settings),
namespace = settings.namespace,
className = settings.className,
metadata = settings.metadata,
selector = settings.selector,
error = settings.error,
eventNamespace = '.' + namespace,
moduleNamespace = 'module-' + namespace,
element = this,
instance = $(this).data(moduleNamespace),
$module = $(this),
$icon = $module.find(selector.icon),
module
;
module = {
initialize: function() {
module.verbose('Initializing rating module', settings);
if($icon.length === 0) {
module.setup.layout();
}
if(settings.interactive) {
module.enable();
}
else {
module.disable();
}
if(settings.initialRating) {
module.debug('Setting initial rating');
module.setRating(settings.initialRating);
}
if( $module.data(metadata.rating) ) {
module.debug('Rating found in metadata');
module.setRating( $module.data(metadata.rating) );
}
module.instantiate();
},
instantiate: function() {
module.verbose('Instantiating module', settings);
instance = module;
$module
.data(moduleNamespace, module)
;
},
destroy: function() {
module.verbose('Destroying previous instance', instance);
$module
.removeData(moduleNamespace)
;
$icon
.off(eventNamespace)
;
},
refresh: function() {
$icon = $module.find(selector.icon);
},
setup: {
layout: function() {
var
maxRating = $module.data(metadata.maxRating) || settings.maxRating
;
module.debug('Generating icon html dynamically');
$module
.html($.fn.rating.settings.templates.icon(maxRating))
;
module.refresh();
}
},
event: {
mouseenter: function() {
var
$activeIcon = $(this)
;
$activeIcon
.nextAll()
.removeClass(className.selected)
;
$module
.addClass(className.selected)
;
$activeIcon
.addClass(className.selected)
.prevAll()
.addClass(className.selected)
;
},
mouseleave: function() {
$module
.removeClass(className.selected)
;
$icon
.removeClass(className.selected)
;
},
click: function() {
var
$activeIcon = $(this),
currentRating = module.getRating(),
rating = $icon.index($activeIcon) + 1,
canClear = (settings.clearable == 'auto')
? ($icon.length === 1)
: settings.clearable
;
if(canClear && currentRating == rating) {
module.clearRating();
}
else {
module.setRating( rating );
}
}
},
clearRating: function() {
module.debug('Clearing current rating');
module.setRating(0);
},
getRating: function() {
var
currentRating = $icon.filter('.' + className.active).length
;
module.verbose('Current rating retrieved', currentRating);
return currentRating;
},
enable: function() {
module.debug('Setting rating to interactive mode');
$icon
.on('mouseenter' + eventNamespace, module.event.mouseenter)
.on('mouseleave' + eventNamespace, module.event.mouseleave)
.on('click' + eventNamespace, module.event.click)
;
$module
.removeClass(className.disabled)
;
},
disable: function() {
module.debug('Setting rating to read-only mode');
$icon
.off(eventNamespace)
;
$module
.addClass(className.disabled)
;
},
setRating: function(rating) {
var
ratingIndex = (rating - 1 >= 0)
? (rating - 1)
: 0,
$activeIcon = $icon.eq(ratingIndex)
;
$module
.removeClass(className.selected)
;
$icon
.removeClass(className.selected)
.removeClass(className.active)
;
if(rating > 0) {
module.verbose('Setting current rating to', rating);
$activeIcon
.prevAll()
.andSelf()
.addClass(className.active)
;
}
settings.onRate.call(element, rating);
},
setting: function(name, value) {
module.debug('Changing setting', name, value);
if( $.isPlainObject(name) ) {
$.extend(true, settings, name);
}
else if(value !== undefined) {
settings[name] = value;
}
else {
return settings[name];
}
},
internal: function(name, value) {
if( $.isPlainObject(name) ) {
$.extend(true, module, name);
}
else if(value !== undefined) {
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.name + ':');
module.debug.apply(console, arguments);
}
}
},
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.name + ':');
module.verbose.apply(console, arguments);
}
}
},
error: function() {
module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
module.error.apply(console, arguments);
},
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({
'Name' : message[0],
'Arguments' : [].slice.call(message, 1) || '',
'Element' : element,
'Execution Time' : executionTime
});
}
clearTimeout(module.performance.timer);
module.performance.timer = setTimeout(module.performance.display, 100);
},
display: function() {
var
title = settings.name + ':',
totalTime = 0
;
time = false;
clearTimeout(module.performance.timer);
$.each(performance, function(index, data) {
totalTime += data['Execution Time'];
});
title += ' ' + totalTime + 'ms';
if(moduleSelector) {
title += ' \'' + moduleSelector + '\'';
}
if($allModules.length > 1) {
title += ' ' + '(' + $allModules.length + ')';
}
if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
console.groupCollapsed(title);
if(console.table) {
console.table(performance);
}
else {
$.each(performance, function(index, data) {
console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
});
}
console.groupEnd();
}
performance = [];
}
},
invoke: function(query, passedArguments, context) {
var
object = instance,
maxDepth,
found,
response
;
passedArguments = passedArguments || queryArguments;
context = element || context;
if(typeof query == 'string' && object !== undefined) {
query = query.split(/[\. ]/);
maxDepth = query.length - 1;
$.each(query, function(depth, value) {
var camelCaseValue = (depth != maxDepth)
? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
: query
;
if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) {
object = object[camelCaseValue];
}
else if( object[camelCaseValue] !== undefined ) {
found = object[camelCaseValue];
return false;
}
else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) {
object = object[value];
}
else if( object[value] !== undefined ) {
found = object[value];
return false;
}
else {
return false;
}
});
}
if ( $.isFunction( found ) ) {
response = found.apply(context, passedArguments);
}
else if(found !== undefined) {
response = found;
}
if($.isArray(returnedValue)) {
returnedValue.push(response);
}
else if(returnedValue !== undefined) {
returnedValue = [returnedValue, response];
}
else if(response !== undefined) {
returnedValue = response;
}
return found;
}
};
if(methodInvoked) {
if(instance === undefined) {
module.initialize();
}
module.invoke(query);
}
else {
if(instance !== undefined) {
instance.invoke('destroy');
}
module.initialize();
}
})
;
return (returnedValue !== undefined)
? returnedValue
: this
;
};
$.fn.rating.settings = {
name : 'Rating',
namespace : 'rating',
debug : false,
verbose : true,
performance : true,
initialRating : 0,
interactive : true,
maxRating : 4,
clearable : 'auto',
onRate : function(rating){},
error : {
method : 'The method you called is not defined',
noMaximum : 'No maximum rating specified. Cannot generate HTML automatically'
},
metadata: {
rating : 'rating',
maxRating : 'maxRating'
},
className : {
active : 'active',
disabled : 'disabled',
selected : 'selected',
loading : 'loading'
},
selector : {
icon : '.icon'
},
templates: {
icon: function(maxRating) {
var
icon = 1,
html = ''
;
while(icon <= maxRating) {
html += '<i class="icon"></i>';
icon++;
}
return html;
}
}
};
})( jQuery, window , document );