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81 lines
2.7 KiB
JavaScript
81 lines
2.7 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*
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* Whisper.View
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*
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* This is the base for most of our views. The Backbone view is extended
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* with some conveniences:
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*
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* 1. Pre-parses all our mustache templates for performance.
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* https://github.com/janl/mustache.js#pre-parsing-and-caching-templates
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*
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* 2. Defines a default definition for render() which allows sub-classes
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* to simply specify a templateName and renderAttributes which are plugged
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* into Mustache.render
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*
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* 3. Makes all the templates available for rendering as partials.
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* https://github.com/janl/mustache.js#partials
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*
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* 4. Provides some common functionality, e.g. confirmation dialog
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*
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*/
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(function () {
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'use strict';
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window.Whisper = window.Whisper || {};
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Whisper.View = Backbone.View.extend({
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constructor: function() {
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Backbone.View.apply(this, arguments);
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Mustache.parse(_.result(this, 'template'));
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},
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render_attributes: function() {
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return _.result(this.model, 'attributes', {});
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},
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render_partials: function() {
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return Whisper.View.Templates;
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},
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template: function() {
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if (this.templateName) {
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return Whisper.View.Templates[this.templateName];
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}
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return '';
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},
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render: function() {
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var attrs = _.result(this, 'render_attributes', {});
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var template = _.result(this, 'template', '');
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var partials = _.result(this, 'render_partials', '');
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this.$el.html(Mustache.render(template, attrs, partials));
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return this;
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},
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confirm: function(message, okText) {
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return new Promise(function(resolve, reject) {
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var dialog = new Whisper.ConfirmationDialogView({
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message: message,
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okText: okText,
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resolve: resolve,
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reject: reject
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});
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this.$el.append(dialog.el);
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}.bind(this));
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},
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i18n_with_links: function() {
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var args = Array.prototype.slice.call(arguments);
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for (var i=1; i < args.length; ++i) {
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args[i] = 'class="link" href="' + encodeURI(args[i]) + '" target="_blank"';
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}
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return i18n(args[0], args.slice(1));
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}
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},{
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// Class attributes
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Templates: (function() {
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var templates = {};
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$('script[type="text/x-tmpl-mustache"]').each(function(i, el) {
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var $el = $(el);
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var id = $el.attr('id');
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templates[id] = $el.html();
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});
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return templates;
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}())
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});
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})();
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