78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
/**
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This view handles rendering of a combobox
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@class ComboboxView
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@extends Discourse.View
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@namespace Discourse
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@module Discourse
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**/
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Discourse.ComboboxView = Discourse.View.extend({
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tagName: 'select',
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classNames: ['combobox'],
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valueAttribute: 'id',
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render: function(buffer) {
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var _ref,
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_this = this;
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// Add none option if required
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if (this.get('none')) {
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buffer.push("<option value=\"\">" + (Ember.String.i18n(this.get('none'))) + "</option>");
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}
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var selected = (_ref = this.get('value')) ? _ref.toString() : void 0;
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if (this.get('content')) {
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return this.get('content').each(function(o) {
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var data, selectedText, val, _ref1;
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val = (_ref1 = o[_this.get('valueAttribute')]) ? _ref1.toString() : void 0;
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selectedText = val === selected ? "selected" : "";
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data = "";
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if (_this.dataAttributes) {
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_this.dataAttributes.forEach(function(a) {
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data += "data-" + a + "=\"" + (o.get(a)) + "\" ";
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});
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}
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return buffer.push("<option " + selectedText + " value=\"" + val + "\" " + data + ">" + o.name + "</option>");
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});
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}
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},
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valueChanged: function() {
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var $combo = this.$();
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var val = this.get('value');
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if (val) {
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$combo.val(this.get('value').toString());
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} else {
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$combo.val(null);
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}
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$combo.trigger("liszt:updated")
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}.observes('value'),
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didInsertElement: function() {
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var $elem,
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_this = this;
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$elem = this.$();
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$elem.chosen({ template: this.template, disable_search_threshold: 5 });
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if (this.overrideWidths) {
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// The Chosen plugin hard-codes the widths in style attrs. :<
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var $chznContainer = $elem.chosen().next();
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$chznContainer.removeAttr("style");
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$chznContainer.find('.chzn-drop').removeAttr("style");
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$chznContainer.find('.chzn-search input').removeAttr("style");
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}
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if (this.classNames && this.classNames.length > 0) {
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// Apply the classes to Chosen's dropdown div too:
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this.classNames.each( function(c) {
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$elem.chosen().next().addClass(c);
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});
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}
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$elem.change(function(e) {
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_this.set('value', $(e.target).val());
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});
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}
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});
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Discourse.View.registerHelper('combobox', Discourse.ComboboxView); |