91 lines
2.8 KiB
JavaScript
91 lines
2.8 KiB
JavaScript
(function(context,$) {
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/**
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* Javascript for managing genre selectors.
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*/
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"use strict";
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context.JK = context.JK || {};
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context.JK.GenreSelectorHelper = (function() {
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var logger = context.JK.logger;
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var _genres = []; // will be list of structs: [ {label:xxx, value:yyy}, {...}, ... ]
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function loadGenres() {
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var url = "/api/genres";
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$.ajax({
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type: "GET",
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url: url,
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async: false, // do this synchronously so the event handlers in events() can be wired up
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success: genresLoaded
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});
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}
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function reset(parentSelector, defaultGenre) {
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defaultGenre = typeof(defaultGenre) == 'undefined' ? '' : defaultGenre;
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$('select', parentSelector).val(defaultGenre);
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//$('select', parentSelector).easyDropDown('select',defaultGenre)
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}
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function genresLoaded(response) {
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$.each(response, function(index) {
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_genres.push({
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value: this.id,
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label: this.description
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});
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});
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}
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function render(parentSelector) {
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$('select', parentSelector).empty();
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$('select', parentSelector).append('<option value="" class="label">Select Genre</option>');
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var template = $('#template-genre-option').html();
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$.each(_genres, function(index, value) {
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// value will be a dictionary entry from _genres:
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// { value: xxx, label: yyy }
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var genreOptionHtml = context.JK.fillTemplate(template, value);
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$('select', parentSelector).append(genreOptionHtml);
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});
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context.JK.dropdown($('select', parentSelector));
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}
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function getSelectedGenres(parentSelector) {
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var selectedGenres = [];
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var selectedVal = $('select', parentSelector).val();
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if (selectedVal !== '') {
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selectedGenres.push(selectedVal);
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}
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return selectedGenres;
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}
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function setSelectedGenres(parentSelector, genreList) {
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if (!genreList) {
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return;
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}
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var values = [];
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$.each(genreList, function(index, value) {
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values.push(value.toLowerCase());
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});
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var selectedVal = $('select', parentSelector).val(values);
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}
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function initialize() {
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loadGenres();
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}
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var me = { // This will be our singleton.
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initialize: initialize,
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getSelectedGenres: getSelectedGenres,
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setSelectedGenres: setSelectedGenres,
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reset: reset,
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render: render,
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loadGenres: loadGenres
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};
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return me;
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})();
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})(window,jQuery);
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