66 lines
1.9 KiB
JavaScript
66 lines
1.9 KiB
JavaScript
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/*global define*/
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define(
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[
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'jquery',
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'knockout',
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'jquery-ui/core'
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],
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function ($, ko) {
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'use strict';
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var match, uiVersion, descendantControllingBindings, createObject, register;
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/*jslint regexp:true*/
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match = ($.ui.version || '').match(/^(\d)\.(\d+)/);
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/*jslint regexp:false*/
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if (!match) {
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uiVersion = null;
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} else {
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uiVersion = {
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major: parseInt(match[1], 10),
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minor: parseInt(match[2], 10)
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};
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}
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descendantControllingBindings = ['foreach', 'if', 'ifnot', 'with', 'html', 'text',
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'options'];
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createObject = Object.create || function (prototype) {
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/// <summary>Simple (incomplete) shim for Object.create().</summary>
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/// <param name='prototype' type='Object' mayBeNull='true'></param>
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/// <returns type='Object'></returns>
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function Type() { }
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Type.prototype = prototype;
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return new Type();
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};
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register = function (Constructor) {
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/// <summary>Registers a binding.</summary>
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/// <param name='Constructor' type='BindingHandler'>The binding handler's
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/// constructor function.</param>
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var handler = new Constructor();
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ko.bindingHandlers[handler.widgetName] = {
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after: ko.utils.arrayGetDistinctValues(
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descendantControllingBindings.concat(handler.after || [])
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),
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init: handler.init.bind(handler),
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update: handler.update.bind(handler)
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};
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};
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return {
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uiVersion: uiVersion,
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descendantControllingBindings: descendantControllingBindings,
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createObject: createObject,
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register: register
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};
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}
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);
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