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text,\n\n // allow empty ratings?\n allowEmpty: allowEmpty,\n\n // rating value and text of the empty OPTION\n emptyRatingValue: emptyValue,\n emptyRatingText: emptyText,\n\n // read-only state\n readOnly: self.options.readonly,\n\n // did the user already select a rating?\n ratingMade: false\n });\n };\n\n // remove data on element\n var removeDataOnElement = function() {\n self.$elem.removeData('barrating');\n };\n\n // return current rating text\n var ratingText = function() {\n return getData('ratingText');\n };\n\n // return current rating value\n var ratingValue = function() {\n return getData('ratingValue');\n };\n\n // build widget and return jQuery element\n var buildWidget = function() {\n var $w = $('<div />', { 'class': 'br-widget' });\n\n // create A elements that will replace OPTIONs\n self.$elem.find('option').each(function() {\n var val, text, html, $a;\n\n val = $(this).val();\n\n // create ratings - but only if val is not defined as empty\n if (val !== 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showSelectedRating(text);\n\n applyStyle();\n\n // onSelect callback\n options.onSelect.call(\n self,\n ratingValue(),\n ratingText(),\n event\n );\n\n return false;\n });\n };\n\n // handle mouseenter events\n var attachMouseEnterHandler = function($elements) {\n $elements.on('mouseenter.barrating', function() {\n var $a = $(this);\n\n resetStyle();\n\n $a.addClass('br-active')[nextAllorPreviousAll()]()\n .addClass('br-active');\n\n showSelectedRating($a.attr('data-rating-text'));\n });\n };\n\n // handle mouseleave events\n var attachMouseLeaveHandler = function($elements) {\n self.$widget.on('mouseleave.barrating blur.barrating', function() {\n showSelectedRating();\n applyStyle();\n });\n };\n\n // somewhat primitive way to remove 300ms click delay on touch devices\n // for a more advanced solution consider setting `fastClicks` option to false\n // and using a library such as fastclick (https://github.com/ftlabs/fastclick)\n var fastClicks = function($elements) {\n $elements.on('touchstart.barrating', function(event) {\n event.preventDefault();\n event.stopPropagation();\n\n $(this).click();\n });\n };\n\n // disable clicks\n var disableClicks = function($elements) {\n $elements.on('click.barrating', function(event) {\n event.preventDefault();\n });\n };\n\n var attachHandlers = function($elements) {\n // attach click event handler\n attachClickHandler($elements);\n\n if (self.options.hoverState) {\n // attach mouseenter event handler\n attachMouseEnterHandler($elements);\n\n // attach mouseleave event handler\n attachMouseLeaveHandler($elements);\n }\n };\n\n var detachHandlers = function($elements) {\n // remove event handlers in the \".barrating\" namespace\n $elements.off('.barrating');\n };\n\n var setupHandlers = function(readonly) {\n var $elements = self.$widget.find('a');\n\n if (fastClicks) {\n fastClicks($elements);\n }\n\n if (readonly) {\n detachHandlers($elements);\n disableClicks($elements);\n } else {\n attachHandlers($elements);\n }\n };\n\n this.show = function() {\n // run only once\n if (getData()) return;\n\n // wrap element\n wrapElement();\n\n // save data\n saveDataOnElement();\n\n // build & append widget to the DOM\n self.$widget = buildWidget();\n self.$widget.insertAfter(self.$elem);\n\n applyStyle();\n\n showSelectedRating();\n\n setupHandlers(self.options.readonly);\n\n // hide the select field\n self.$elem.hide();\n };\n\n this.readonly = function(state) {\n if (typeof state !== 'boolean' || getData('readOnly') == state) return;\n\n setupHandlers(state);\n setData('readOnly', state);\n self.$widget.toggleClass('br-readonly');\n };\n\n this.set = function(value) {\n var options = getData('userOptions');\n\n if (self.$elem.find('option[value=\"' + value + '\"]').length === 0) return;\n\n // set data\n setData('ratingValue', value);\n setData('ratingText', self.$elem.find('option[value=\"' + value + '\"]').text());\n setData('ratingMade', true);\n\n setSelectFieldValue(ratingValue());\n showSelectedRating(ratingText());\n\n applyStyle();\n\n // onSelect callback\n if (!options.silent) {\n options.onSelect.call(\n this,\n ratingValue(),\n ratingText()\n );\n }\n };\n\n this.clear = function() {\n var options = getData('userOptions');\n\n // restore original data\n setData('ratingValue', getData('originalRatingValue'));\n setData('ratingText', getData('originalRatingText'));\n setData('ratingMade', false);\n\n resetSelectField();\n showSelectedRating(ratingText());\n\n applyStyle();\n\n // onClear callback\n options.onClear.call(\n this,\n ratingValue(),\n ratingText()\n );\n };\n\n this.destroy = function() {\n var value = ratingValue();\n var text = ratingText();\n var options = getData('userOptions');\n\n // detach handlers\n detachHandlers(self.$widget.find('a'));\n\n // remove widget\n self.$widget.remove();\n\n // remove data\n removeDataOnElement();\n\n // unwrap the element\n unwrapElement();\n\n // show the element\n self.$elem.show();\n\n // onDestroy callback\n options.onDestroy.call(\n this,\n value,\n text\n );\n };\n }\n\n BarRating.prototype.init = function (options, elem) {\n this.$elem = $(elem);\n this.options = $.extend({}, $.fn.barrating.defaults, options);\n\n return this.options;\n };\n\n return BarRating;\n })();\n\n $.fn.barrating = function (method, options) {\n return this.each(function () {\n var plugin = new BarRating();\n\n // plugin works with select fields\n if (!$(this).is('select')) {\n $.error('Sorry, this plugin only works with select fields.');\n }\n\n // method supplied\n if (plugin.hasOwnProperty(method)) {\n plugin.init(options, this);\n if (method === 'show') {\n return plugin.show(options);\n } else {\n // plugin exists?\n if (plugin.$elem.data('barrating')) {\n plugin.$widget = $(this).next('.br-widget');\n return plugin[method](options);\n }\n }\n\n // no method supplied or only options supplied\n } else if (typeof method === 'object' || !method) {\n options = method;\n plugin.init(options, this);\n return plugin.show();\n\n } else {\n $.error('Method ' + method + ' does not exist on jQuery.barrating');\n }\n });\n };\n\n $.fn.barrating.defaults = {\n theme:'',\n initialRating:null, // initial rating\n allowEmpty:null, // allow empty ratings?\n emptyValue:'', // this is the expected value of the empty rating\n showValues:false, // display rating values on the bars?\n showSelectedRating:true, // append a div with a rating to the widget?\n deselectable:true, // allow to deselect ratings?\n reverse:false, // reverse the rating?\n readonly:false, // make the rating ready-only?\n fastClicks:true, // remove 300ms click delay on touch devices?\n hoverState:true, // change state on hover?\n silent:false, // supress callbacks when controlling ratings programatically\n onSelect:function (value, text, event) {\n }, // callback fired when a rating is selected\n onClear:function (value, text) {\n }, // callback fired when a rating is cleared\n onDestroy:function (value, text) {\n } // callback fired when a widget is destroyed\n };\n\n $.fn.barrating.BarRating = BarRating;\n\n}));\n"],"sourceRoot":"/source/"} |