102 lines
2.5 KiB
JavaScript
102 lines
2.5 KiB
JavaScript
var App = App || {};
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App.Util = (function(jQuery, promise) {
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var templateCache = {};
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var lastContentPresenterName;
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var lastContentPresenter;
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function parseComplexRouteArgs(args) {
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var result = {};
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args = (args || '').split(/;/);
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for (var i = 0; i < args.length; i ++) {
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var arg = args[i];
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if (!arg)
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continue;
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kv = arg.split(/=/);
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result[kv[0]] = kv[1];
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}
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return result;
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}
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function compileComplexRouteArgs(baseUri, args) {
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var result = baseUri + '/';
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_.each(args, function(v, k) {
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if (typeof(v) == 'undefined')
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return;
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result += k + '=' + v + ';'
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});
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result = result.slice(0, -1);
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return result;
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}
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function initPresenter(presenterName, args) {
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var presenter = App.DI.get(presenterName);
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presenter.init.call(presenter, args);
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}
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function initContentPresenter(presenterName, args) {
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if (lastContentPresenterName != presenterName) {
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var presenter = App.DI.get(presenterName);
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var initResult = presenter.init.call(presenter, args);
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lastContentPresenterName = presenterName;
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lastContentPresenter = presenter;
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} else {
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lastContentPresenter.reinit.call(presenter, args);
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}
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};
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function promiseTemplate(templateName) {
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return promiseTemplateFromCache(templateName)
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|| promiseTemplateFromDOM(templateName)
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|| promiseTemplateWithAJAX(templateName);
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}
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function promiseTemplateFromCache(templateName) {
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if (templateName in templateCache) {
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return promise.make(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 promiseTemplateFromDOM(templateName) {
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var $template = jQuery('#' + templateName + '-template');
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if ($template.length) {
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return promise.make(function(resolve, reject) {
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resolve($template.html());
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});
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}
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return null;
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}
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function promiseTemplateWithAJAX(templateName) {
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return promise.make(function(resolve, reject) {
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var templatesDir = '/templates';
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var templateUrl = templatesDir + '/' + templateName + '.tpl';
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var templateString;
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$.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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promiseTemplate: promiseTemplate,
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initPresenter : initPresenter,
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initContentPresenter: initContentPresenter,
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parseComplexRouteArgs: parseComplexRouteArgs,
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compileComplexRouteArgs: compileComplexRouteArgs,
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};
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});
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App.DI.registerSingleton('util', App.Util);
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