87 lines
2.1 KiB
JavaScript
87 lines
2.1 KiB
JavaScript
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window.INGREDIENT_API = {};
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(function($) {
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function initializeEditor($ingredientForm) {
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usdaFoodSearchEngine.initialize(false);
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var $typeahead = $ingredientForm.find(".ndbn_typeahead");
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$typeahead.typeahead_search({
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searchUrl: '/ingredients/usda_food_search.html',
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resultsContainer: $ingredientForm.find(".ndbn_results")
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},{
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name: 'usdaFoods',
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source: usdaFoodSearchEngine,
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limit: 10,
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display: function(datum) {
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return datum.name;
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}
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});
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$typeahead.on("typeahead_search:selected", function(evt, item) {
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selectNdbn($ingredientForm, item.ndbn);
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});
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$ingredientForm.on("click", ".ndbn_results .food_result", function(evt) {
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var $item = $(evt.target);
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var ndbn = $item.data("ndbn");
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selectNdbn($ingredientForm, ndbn);
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});
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}
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function selectNdbn($ingredientForm, ndbn) {
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var id = $ingredientForm.find("input.id").val();
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$ingredientForm.find("input.ndbn").val(ndbn);
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$ingredientForm.attr("action", "/ingredients/" + id + "/select_ndbn").attr("data-remote", "true");
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$ingredientForm.submit();
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}
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function customTokenizer(str) {
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if (str) {
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var cleaned = str.replace(/,/g, "");
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return Bloodhound.tokenizers.whitespace(cleaned);
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} else {
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return [];
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}
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}
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window.INGREDIENT_API.initialize = function() {
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var $ingredientForm = $("#ingredient_form");
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if ($ingredientForm.length) {
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initializeEditor($ingredientForm);
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}
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};
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var usdaFoodSearchEngine = new Bloodhound({
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initialize: false,
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datumTokenizer: function(datum) {
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var str = datum ? datum.name : null;
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return customTokenizer(str);
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},
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queryTokenizer: customTokenizer,
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identify: function(datum) { return datum.ndbn; },
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sorter: function(a, b) {
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if (a.name < b.name) {
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return -1;
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} else if (b.name < a.name) {
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return 1;
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} else {
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return 0;
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}
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},
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remote: {
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url: '/ingredients/usda_food_search.json?query=%QUERY',
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wildcard: '%QUERY'
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}
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});
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$(document).on("ready page:load", function() {
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window.INGREDIENT_API.initialize();
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});
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})(jQuery); |