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136
Extension/lib/content-script/assistant/js/slider-widget.js
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| /** | ||
| * This file is part of Adguard Browser Extension (https://github.com/AdguardTeam/AdguardBrowserExtension). | ||
| * | ||
| * Adguard Browser Extension is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * Adguard Browser Extension is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License | ||
| * along with Adguard Browser Extension. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
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| /** | ||
| * Slider widget | ||
| */ | ||
| var SliderWidget = (function (api, $) { | ||
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| var PLACEHOLDER_CLASS = "adg-slide ui-slider ui-slider-horizontal ui-widget ui-widget-content ui-corner-all"; | ||
| var HANDLE_CLASS = "ui-slider-handle ui-state-default ui-corner-all"; | ||
| var TICK_CLASS = "tick ui-widget-content"; | ||
| var TICK_LEFT_COLOR = "#36BA53"; | ||
| var TICK_RIGHT_COLOR = "#E0DFDB"; | ||
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| var placeholder = null; | ||
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| var min = 0; | ||
| var max = 4; | ||
| var value = null; | ||
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| var onValueChanged = null; | ||
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| var refreshTicks = function () { | ||
| var ticks = $(placeholder).find(".tick"); | ||
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| for (var i = 0; i < ticks.length; i++) { | ||
| if (i + 1 < value) { | ||
| $(ticks[i]).css('background-color', TICK_LEFT_COLOR); | ||
| } else { | ||
| $(ticks[i]).css('background-color', TICK_RIGHT_COLOR); | ||
| } | ||
| } | ||
| }; | ||
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| var render = function () { | ||
| var count = max - min; | ||
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| $(placeholder).addClass(PLACEHOLDER_CLASS); | ||
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| var handle = $('<a>', { | ||
| "href": "#", | ||
| "class": HANDLE_CLASS, | ||
| "style": "left: " + (value - 1) * 100 / count + "%;" | ||
| }); | ||
| $(placeholder).append(handle); | ||
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| var prepare = function (i) { | ||
| var tick = $('<div>', {"class": TICK_CLASS}).appendTo($(placeholder)); | ||
| tick.css({ | ||
| left: (100 / count * i) + '%', | ||
| width: (100 / count) + '%' | ||
| }); | ||
| }; | ||
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| for (var i = 0; i < count; i++) { | ||
| prepare(i); | ||
| } | ||
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| refreshTicks(); | ||
| }; | ||
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| var bindEvents = function () { | ||
| $(document).mouseup(function () { | ||
| $('.slider,.ui-slider-handle', $document).unbind('mousemove'); | ||
| }); | ||
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| //While the ui-slider-handle is being held down reference it parent. | ||
| $('.ui-slider-handle', $document).mousedown(function (e) { | ||
| e.preventDefault(); | ||
| return $(this).parent().mousedown(); | ||
| }); | ||
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| var $sliderOffsetLeft = $slider.offset().left; | ||
| var $sliderWidth = $slider.width(); | ||
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| var getSliderValue = function (pageX) { | ||
| return (options.max - options.min) / $sliderWidth * (pageX - $sliderOffsetLeft) + options.min; | ||
| }; | ||
|
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| //This will prevent the slider from moving if the mouse is taken out of the | ||
| //slider area before the mouse down has been released. | ||
| $slider.hover(function () { | ||
| $slider.bind('click', function (e) { | ||
| //calculate the correct position of the slider set the value | ||
| var value = getSliderValue(e.pageX); | ||
| $slider.slider('value', value); | ||
| }); | ||
| $slider.mousedown(function () { | ||
| $(this).bind('mousemove', function (e) { | ||
| //calculate the correct position of the slider set the value | ||
| var value = getSliderValue(e.pageX); | ||
| $(this).slider('value', value); | ||
| }); | ||
| }).mouseup(function () { | ||
| $(this).unbind('mousemove'); | ||
| }) | ||
| }, function () { | ||
| $('#slider', $document).unbind('mousemove'); | ||
| $('#slider', $document).unbind('click'); | ||
| }); | ||
| }; | ||
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| /** | ||
| * | ||
| * @param placeholderElement | ||
| * @param options | ||
| */ | ||
| api.init = function (placeholderElement, options) { | ||
| placeholder = placeholderElement; | ||
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| min = options.min; | ||
| max = options.max; | ||
| value = options.value; | ||
| onValueChanged = options.onValueChanged; | ||
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| render(); | ||
| //bindEvents(); | ||
| }; | ||
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| return api; | ||
| })(SliderWidget || {}, $); |