56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
var App = App || {};
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App.Util = (function(jQuery) {
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var templateCache = {};
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function loadTemplate(templateName) {
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return loadTemplateFromCache(templateName)
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|| loadTemplateFromDOM(templateName)
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|| loadTemplateWithAJAX(templateName);
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}
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function loadTemplateFromCache(templateName) {
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if (templateName in templateCache) {
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return new Promise(function(resolve, reject) {
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resolve(templateCache[templateName]);
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});
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}
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}
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function loadTemplateFromDOM(templateName) {
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var $template = jQuery('#' + templateName + '-template');
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if ($template.length) {
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return new Promise(function(resolve, reject) {
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resolve($template.html());
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});
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}
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return null;
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}
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function loadTemplateWithAJAX(templateName) {
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return new Promise(function(resolve, reject) {
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var templatesDir = '/templates';
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var templateUrl = templatesDir + '/' + templateName + '.tpl';
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var templateString;
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$.ajax({
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url: templateUrl,
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method: 'GET',
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success: function(data, textStatus, xhr) {
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resolve(data);
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},
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error: function(xhr, textStatus, errorThrown) {
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console.log(Error('Error while loading template ' + templateName + ': ' + errorThrown));
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reject();
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},
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});
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});
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}
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return {
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loadTemplate: loadTemplate,
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};
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});
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App.DI.registerSingleton('util', App.Util);
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