jquery.select-to-autocomplete.min.js

/*
Version: 1.0.5

Documentation: http://baymard.com/labs/country-selector#documentation

Copyright (C) 2011 by Jamie Appleseed, Baymard Institute (baymard.com)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
(function($){var settings={"sort":false,"sort-attr":"data-priority","sort-desc":false,"autoselect":true,"alternative-spellings":true,"alternative-spellings-attr":"data-alternative-spellings","remove-valueless-options":true,"copy-attributes-to-text-field":true,"autocomplete-plugin":"jquery_ui","relevancy-sorting":true,"relevancy-sorting-partial-match-value":1,"relevancy-sorting-strict-match-value":5,"relevancy-sorting-booster-attr":"data-relevancy-booster",handle_invalid_input:function(context){context.$text_field.val(context.$select_field.find("option:selected:first").text());},handle_select_field:function($select_field){return $select_field.hide();},insert_text_field:function(context){var $text_field=$("<input></input>");if(settings["copy-attributes-to-text-field"]){var attrs={};var raw_attrs=context.$select_field[0].attributes;for(var i=0;i<raw_attrs.length;i++){var key=raw_attrs[i].nodeName;var value=raw_attrs[i].nodeValue;if(key!=="name"&&key!=="id"&&typeof context.$select_field.attr(key)!=="undefined"){attrs[key]=value;}}$text_field.attr(attrs);}$text_field.blur(function(){var valid_values=context.$select_field.find("option").map(function(i,option){return $(option).text();});if(!($text_field.val() in valid_values)&&typeof settings["handle_invalid_input"]==="function"){settings["handle_invalid_input"](context);}});if(context.settings["autoselect"]){$text_field.click(function(){this.select();});}return $text_field.val(context.$select_field.find("option:selected:first").text()).insertAfter(context.$select_field);},extract_options:function($select_field){var options=[];var $options=$select_field.find("option");var number_of_options=$options.length;$options.each(function(){var $option=$(this);var option={"real-value":$option.attr("value"),"label":$option.text()};if(settings["remove-valueless-options"]&&option["real-value"]===""){}else{option["matches"]=option["label"];var alternative_spellings=$option.attr(settings["alternative-spellings-attr"]);if(alternative_spellings){option["matches"]+=" "+alternative_spellings;}if(settings["sort"]){var weight=parseInt($option.attr(settings["sort-attr"]),10);if(weight){option["weight"]=weight;}else{option["weight"]=number_of_options;}}if(settings["relevancy-sorting"]){option["relevancy-score"]=0;option["relevancy-score-booster"]=1;var boost_by=parseFloat($option.attr(settings["relevancy-sorting-booster-attr"]));if(boost_by){option["relevancy-score-booster"]=boost_by;}}options.push(option);}});if(settings["sort"]){if(settings["sort-desc"]){options.sort(function(a,b){return b["weight"]-a["weight"];});}else{options.sort(function(a,b){return a["weight"]-b["weight"];});}}return options;}};var public_methods={init:function(customizations){if($.browser.msie&&parseInt($.browser.version,10)<=6){return this;}else{settings=$.extend(settings,customizations);return this.each(function(){var $select_field=$(this);var context={"$select_field":$select_field,"options":settings["extract_options"]($select_field),"settings":settings};context["$text_field"]=settings["insert_text_field"](context);settings["handle_select_field"]($select_field);if(typeof settings["autocomplete-plugin"]==="string"){adapters[settings["autocomplete-plugin"]](context);}else{settings["autocomplete-plugin"](context);}});}}};var adapters={jquery_ui:function(context){var filter_options=function(term){var split_term=term.split(" ");var matchers=[];for(var i=0;i<split_term.length;i++){if(split_term[i].length>0){var matcher={};matcher["partial"]=new RegExp($.ui.autocomplete.escapeRegex(split_term[i]),"i");if(context.settings["relevancy-sorting"]){matcher["strict"]=new RegExp("^"+$.ui.autocomplete.escapeRegex(split_term[i]),"i");}matchers.push(matcher);}}return $.grep(context.options,function(option){var partial_matches=0;if(context.settings["relevancy-sorting"]){var strict_match=false;var split_option_matches=option.matches.split(" ");}for(var i=0;i<matchers.length;i++){if(matchers[i]["partial"].test(option.matches)){partial_matches++;}if(context.settings["relevancy-sorting"]){for(var q=0;q<split_option_matches.length;q++){if(matchers[i]["strict"].test(split_option_matches[q])){strict_match=true;break;}}}}if(context.settings["relevancy-sorting"]){var option_score=0;option_score+=partial_matches*context.settings["relevancy-sorting-partial-match-value"];if(strict_match){option_score+=context.settings["relevancy-sorting-strict-match-value"];}option_score=option_score*option["relevancy-score-booster"];option["relevancy-score"]=option_score;}return(!term||matchers.length===partial_matches);});};var update_select_value=function(option){if(option){if(context.$select_field.val()!==option["real-value"]){context.$select_field.val(option["real-value"]);context.$select_field.change();}}else{var option_name=context.$text_field.val().toLowerCase();var matching_option={"real-value":false};for(var i=0;i<context.options.length;i++){if(option_name===context.options[i]["label"].toLowerCase()){matching_option=context.options[i];break;}}if(context.$select_field.val()!==matching_option["real-value"]){context.$select_field.val(matching_option["real-value"]||"");context.$select_field.change();}if(matching_option["real-value"]){context.$text_field.val(matching_option["label"]);}if(typeof context.settings["handle_invalid_input"]==="function"&&context.$select_field.val()===""){context.settings["handle_invalid_input"](context);}}};context.$text_field.autocomplete({"minLength":0,"delay":0,"autoFocus":true,source:function(request,response){var filtered_options=filter_options(request.term);if(context.settings["relevancy-sorting"]){filtered_options=filtered_options.sort(function(a,b){return b["relevancy-score"]-a["relevancy-score"];});}response(filtered_options);},select:function(event,ui){update_select_value(ui.item);},change:function(event,ui){update_select_value(ui.item);}});context.$text_field.parents("form:first").submit(function(){update_select_value();});update_select_value();}};$.fn.selectToAutocomplete=function(method){if(public_methods[method]){return public_methods[method].apply(this,Array.prototype.slice.call(arguments,1));}else{if(typeof method==="object"||!method){return public_methods.init.apply(this,arguments);}else{$.error("Method "+method+" does not exist on jQuery.fn.selectToAutocomplete");}}};})(jQuery);