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Merge pull request #418 from magento-vanilla/MAGETWO-41205-PR
[Vanilla+WebDev] Staging: Dashboard
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203 changes: 203 additions & 0 deletions
203
app/code/Magento/Ui/view/base/web/js/lib/knockout/bindings/range.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,203 @@ | ||
| /** | ||
| * Copyright © 2015 Magento. All rights reserved. | ||
| * See COPYING.txt for license details. | ||
| */ | ||
|
|
||
| define([ | ||
| 'ko', | ||
| 'jquery', | ||
| 'underscore', | ||
| '../template/renderer', | ||
| 'jquery/ui' | ||
| ], function (ko, $, _, renderer) { | ||
| 'use strict'; | ||
|
|
||
| var isTouchDevice = !_.isUndefined(document.ontouchstart), | ||
| sliderFn = 'slider'; | ||
|
|
||
| ko.bindingHandlers.range = { | ||
|
|
||
| /** | ||
| * Initializes binding and a slider update. | ||
| * | ||
| * @param {HTMLElement} element | ||
| * @param {Function} valueAccessor | ||
| */ | ||
| init: function (element, valueAccessor) { | ||
| var config = valueAccessor(), | ||
| value = config.value; | ||
|
|
||
| _.extend(config, { | ||
| value: value(), | ||
|
|
||
| /** | ||
| * Callback which is being called when sliders' value changes. | ||
| * | ||
| * @param {Event} event | ||
| * @param {Object} ui | ||
| */ | ||
| slide: function (event, ui) { | ||
| value(ui.value); | ||
| } | ||
| }); | ||
|
|
||
| $(element)[sliderFn](config); | ||
| }, | ||
|
|
||
| /** | ||
| * Updates sliders' plugin configuration. | ||
| * | ||
| * @param {HTMLElement} element | ||
| * @param {Function} valueAccessor | ||
| */ | ||
| update: function (element, valueAccessor) { | ||
| var config = valueAccessor(); | ||
|
|
||
| config.value = ko.unwrap(config.value); | ||
|
|
||
| $(element)[sliderFn]('option', config); | ||
| } | ||
| }; | ||
|
|
||
| renderer.addAttribute('range'); | ||
|
|
||
| if (!isTouchDevice) { | ||
| return; | ||
| } | ||
|
|
||
| $.widget('mage.touchSlider', $.ui.slider, { | ||
|
|
||
| /** | ||
| * Creates instance of widget. | ||
| * | ||
| * @override | ||
| */ | ||
| _create: function () { | ||
| _.bindAll( | ||
| this, | ||
| '_mouseDown', | ||
| '_mouseMove', | ||
| '_onTouchEnd' | ||
| ); | ||
|
|
||
| return this._superApply(arguments); | ||
| }, | ||
|
|
||
| /** | ||
| * Initializes mouse events on element. | ||
| * @override | ||
| */ | ||
| _mouseInit: function () { | ||
| var result = this._superApply(arguments); | ||
|
|
||
| this.element | ||
| .off('mousedown.' + this.widgetName) | ||
| .on('touchstart.' + this.widgetName, this._mouseDown); | ||
|
|
||
| return result; | ||
| }, | ||
|
|
||
| /** | ||
| * Elements' 'mousedown' event handler polyfill. | ||
| * @override | ||
| */ | ||
| _mouseDown: function (event) { | ||
| var prevDelegate = this._mouseMoveDelegate, | ||
| result; | ||
|
|
||
| event = this._touchToMouse(event); | ||
| result = this._super(event); | ||
|
|
||
| if (prevDelegate === this._mouseMoveDelegate) { | ||
| return result; | ||
| } | ||
|
|
||
| $(document) | ||
| .off('mousemove.' + this.widgetName) | ||
| .off('mouseup.' + this.widgetName); | ||
|
|
||
| $(document) | ||
| .on('touchmove.' + this.widgetName, this._mouseMove) | ||
| .on('touchend.' + this.widgetName, this._onTouchEnd) | ||
| .on('tochleave.' + this.widgetName, this._onTouchEnd); | ||
|
|
||
| return result; | ||
| }, | ||
|
|
||
| /** | ||
| * Documents' 'mousemove' event handler polyfill. | ||
| * | ||
| * @override | ||
| * @param {Event} event - Touch event object. | ||
| */ | ||
| _mouseMove: function (event) { | ||
| event = this._touchToMouse(event); | ||
|
|
||
| return this._super(event); | ||
| }, | ||
|
|
||
| /** | ||
| * Documents' 'touchend' event handler. | ||
| */ | ||
| _onTouchEnd: function (event) { | ||
| $(document).trigger('mouseup'); | ||
|
|
||
| return this._mouseUp(event); | ||
| }, | ||
|
|
||
| /** | ||
| * Removes previously assigned touch handlers. | ||
| * | ||
| * @override | ||
| */ | ||
| _mouseUp: function () { | ||
| this._removeTouchHandlers(); | ||
|
|
||
| return this._superApply(arguments); | ||
| }, | ||
|
|
||
| /** | ||
| * Removes previously assigned touch handlers. | ||
| * | ||
| * @override | ||
| */ | ||
| _mouseDestroy: function () { | ||
| this._removeTouchHandlers(); | ||
|
|
||
| return this._superApply(arguments); | ||
| }, | ||
|
|
||
| /** | ||
| * Removes touch events from document object. | ||
| */ | ||
| _removeTouchHandlers: function () { | ||
| $(document) | ||
| .off('touchmove.' + this.widgetName) | ||
| .off('touchend.' + this.widgetName) | ||
| .off('touchleave.' + this.widgetName); | ||
| }, | ||
|
|
||
| /** | ||
| * Adds properties to the touch event to mimic mouse event. | ||
| * | ||
| * @param {Event} event - Touch event object. | ||
| * @returns {Event} | ||
| */ | ||
| _touchToMouse: function (event) { | ||
| var orig = event.originalEvent, | ||
| touch = orig.touches[0]; | ||
|
|
||
| return _.extend(event, { | ||
| which: 1, | ||
| pageX: touch.pageX, | ||
| pageY: touch.pageY, | ||
| clientX: touch.clientX, | ||
| clientY: touch.clientY, | ||
| screenX: touch.screenX, | ||
| screenY: touch.screenY | ||
| }); | ||
| } | ||
| }); | ||
|
|
||
| sliderFn = 'touchSlider'; | ||
| }); |
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