642 lines
23 KiB
JavaScript
642 lines
23 KiB
JavaScript
/*
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*
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* (c) Copyright Ascensio System SIA 2010-2019
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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/**
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* Slider.js
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*
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* Created by Julia Radzhabova on 2/18/14
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* Copyright (c) 2018 Ascensio System SIA. All rights reserved.
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*
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*/
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/**
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* Example usage:
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* new Common.UI.SingleSlider({
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* el: $('#id'),
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* minValue : 0,
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* maxValue : 100,
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* value : 100
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* });
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*
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*
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* @property {Boolean} enableKeyEvents
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* If true slider increase/decrease its value by {@link #step} when arrow key Up/Down or Right/Left is pressed.
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*
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* enableKeyEvents: false,
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*
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*
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*
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* Example usage:
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* new Common.UI.MultiSlider({
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* el: $('#id'),
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* minValue : 0,
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* maxValue : 100,
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* values : [0, 100]
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* });
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*
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*/
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if (Common === undefined)
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var Common = {};
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define([
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'common/main/lib/component/BaseView',
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'underscore'
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], function (base, _) {
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'use strict';
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Common.UI.SingleSlider = Common.UI.BaseView.extend({
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options : {
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width: 100,
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minValue: 0,
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maxValue: 100,
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step: 1,
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value: 100,
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enableKeyEvents: false,
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direction: 'horizontal' // 'vertical'
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},
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disabled: false,
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template : _.template([
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'<div class="slider single-slider <% if (this.options.direction === \'vertical\') { %>vertical<% } %>" style="">',
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'<div class="track"></div>',
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'<div class="thumb" style=""></div>',
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'<% if (this.options.enableKeyEvents) { %>',
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'<input type="text" style="position: absolute; top:-10px; width: 1px; height: 1px;">',
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'<% } %>',
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'</div>'
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].join('')),
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initialize : function(options) {
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Common.UI.BaseView.prototype.initialize.call(this, options);
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var me = this;
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me.width = me.options.width;
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me.minValue = me.options.minValue;
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me.maxValue = me.options.maxValue;
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me.delta = 100/(me.maxValue - me.minValue);
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me.step = me.options.step;
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me.direction = me.options.direction;
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if (me.options.el) {
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me.render();
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}
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this.setValue(me.options.value);
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},
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render : function(parentEl) {
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var me = this;
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if (!me.rendered) {
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this.cmpEl = $(this.template({
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}));
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if (parentEl) {
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this.setElement(parentEl, false);
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parentEl.html(this.cmpEl);
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} else {
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me.$el.html(this.cmpEl);
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}
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} else {
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this.cmpEl = me.$el;
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}
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this.cmpEl.find('.track-center').width(me.options.width - 14);
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this.cmpEl[me.direction === 'vertical' ? 'height' : 'width'](me.options.width);
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this.thumb = this.cmpEl.find('.thumb');
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var onMouseUp = function (e) {
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e.preventDefault();
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e.stopPropagation();
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var pos = Math.max(0, Math.min(100, (Math.round((
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me.direction === 'vertical' ? (e.pageY*Common.Utils.zoom() - me.cmpEl.offset().top) : (e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left) - me._dragstart
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) / me.width * 100))));
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me.setThumbPosition(pos);
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me.lastValue = me.value;
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me.value = pos/me.delta + me.minValue;
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me.thumb.removeClass('active');
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$(document).off('mouseup', onMouseUp);
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$(document).off('mousemove', onMouseMove);
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me._dragstart = undefined;
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me.trigger('changecomplete', me, me.value, me.lastValue);
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};
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var onMouseMove = function (e) {
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if ( me.disabled ) return;
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if ( me._dragstart===undefined ) return;
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e.preventDefault();
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e.stopPropagation();
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var pos = Math.max(0, Math.min(100, (Math.round((
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me.direction === 'vertical' ? (e.pageY*Common.Utils.zoom() - me.cmpEl.offset().top) : (e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left) - me._dragstart
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) / me.width * 100))));
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me.setThumbPosition(pos);
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me.lastValue = me.value;
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me.value = pos/me.delta + me.minValue;
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if (Math.abs(me.value-me.lastValue)>0.001)
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me.trigger('change', me, me.value, me.lastValue);
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};
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var onMouseDown = function (e) {
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if ( me.disabled ) return;
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me._dragstart = me.direction === 'vertical' ? (e.pageY*Common.Utils.zoom() - me.thumb.offset().top) : (e.pageX*Common.Utils.zoom() - me.thumb.offset().left) - 7;
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me.thumb.addClass('active');
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$(document).on('mouseup', onMouseUp);
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$(document).on('mousemove', onMouseMove);
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if (me.options.enableKeyEvents)
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setTimeout(function() {me.input.focus();}, 10);
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};
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var onTrackMouseDown = function (e) {
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if ( me.disabled ) return;
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var pos = Math.max(0, Math.min(100, (Math.round((
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me.direction === 'vertical' ? (e.pageY*Common.Utils.zoom() - me.cmpEl.offset().top) : (e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left)
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) / me.width * 100))));
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me.setThumbPosition(pos);
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me.lastValue = me.value;
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me.value = pos/me.delta + me.minValue;
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me.trigger('change', me, me.value, me.lastValue);
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me.trigger('changecomplete', me, me.value, me.lastValue);
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};
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var updateslider;
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var moveThumb = function(increase) {
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me.lastValue = me.value;
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me.value = Math.max(me.minValue, Math.min(me.maxValue, me.value + ((increase) ? me.step : -me.step)));
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me.setThumbPosition(Math.round((me.value-me.minValue)*me.delta));
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me.trigger('change', me, me.value, me.lastValue);
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};
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var onKeyDown = function (e) {
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if ( me.disabled ) return;
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if (e.keyCode==Common.UI.Keys.UP || e.keyCode==Common.UI.Keys.DOWN || e.keyCode==Common.UI.Keys.LEFT || e.keyCode==Common.UI.Keys.RIGHT) {
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e.preventDefault();
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e.stopPropagation();
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el.off('keydown', 'input', onKeyDown);
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updateslider = setInterval(_.bind(moveThumb, me, e.keyCode==Common.UI.Keys.UP || e.keyCode==Common.UI.Keys.RIGHT), 100);
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}
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};
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var onKeyUp = function (e) {
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if ( me.disabled ) return;
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if (e.keyCode==Common.UI.Keys.UP || e.keyCode==Common.UI.Keys.DOWN || Common.UI.Keys.LEFT || Common.UI.Keys.RIGHT) {
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e.stopPropagation();
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e.preventDefault();
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clearInterval(updateslider);
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moveThumb(e.keyCode==Common.UI.Keys.UP || e.keyCode==Common.UI.Keys.RIGHT);
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el.on('keydown', 'input', onKeyDown);
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me.trigger('changecomplete', me, me.value, me.lastValue);
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}
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};
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if (!me.rendered) {
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var el = me.cmpEl;
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el.on('mousedown', '.thumb', onMouseDown);
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el.on('mousedown', '.track', onTrackMouseDown);
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if (this.options.enableKeyEvents) {
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el.on('keydown', 'input', onKeyDown);
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el.on('keyup', 'input', onKeyUp);
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}
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}
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me.rendered = true;
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return this;
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},
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setThumbPosition: function(pos) {
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if (this.direction === 'vertical') {
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this.thumb.css({top: pos + '%'});
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} else {
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this.thumb.css({left: pos + '%'});
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}
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},
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setValue: function(value) {
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this.lastValue = this.value;
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this.value = Math.max(this.minValue, Math.min(this.maxValue, value));
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this.setThumbPosition(Math.round((value-this.minValue)*this.delta));
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},
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getValue: function() {
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return this.value;
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},
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setDisabled: function(disabled) {
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if (disabled !== this.disabled)
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this.cmpEl.toggleClass('disabled', disabled);
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this.disabled = disabled;
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}
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});
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Common.UI.MultiSlider = Common.UI.BaseView.extend({
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options : {
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width: 100,
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minValue: 0,
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maxValue: 100,
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values: [0, 100],
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includeSnap: false,
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intervalSnap: undefined,
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thumbTemplate: '<div class="thumb" style=""></div>'
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},
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disabled: false,
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template : _.template([
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'<div class="slider multi-slider">',
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'<div class="track">',
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'<div class="track-left"></div>',
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'<div class="track-center""></div>',
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'<div class="track-right" style=""></div>',
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'</div>',
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'<% _.each(items, function(item) { %>',
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'<%= thumbTemplate %>',
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'<% }); %>',
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'</div>'
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].join('')),
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initialize : function(options) {
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Common.UI.BaseView.prototype.initialize.call(this, options);
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var me = this;
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me.width = me.options.width;
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me.minValue = me.options.minValue;
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me.maxValue = me.options.maxValue;
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me.delta = 100/(me.maxValue - me.minValue);
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me.includeSnap = me.options.includeSnap;
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me.intervalSnap = me.options.intervalSnap;
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me.thumbs = [];
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if (me.options.el) {
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me.render();
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}
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},
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render : function(parentEl) {
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var me = this;
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if (!me.rendered) {
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this.cmpEl = $(this.template({
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items: this.options.values,
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thumbTemplate: this.options.thumbTemplate
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}));
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if (parentEl) {
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this.setElement(parentEl, false);
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parentEl.html(this.cmpEl);
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} else {
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this.$el.html(this.cmpEl);
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}
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} else {
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this.cmpEl = this.$el;
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}
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var el = this.cmpEl;
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el.find('.track-center').width(me.options.width - 14);
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el.width(me.options.width);
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var setCenters = function (index) {
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if(!me.includeSnap) return;
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var n = me.minValue;
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var getX = function (position) {
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return (0.01 * me.width * position + me.cmpEl.offset().left + me._dragstart)/Common.Utils.zoom();
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};
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me.centers = [];
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_.each(me.thumbs, function (thumb, indexT) {
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if ((indexT != index) && (n != thumb.position)) {
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me.centers.push(getX((thumb.position - n) / 2 + n));
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n = thumb.position;
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}
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});
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if(n != me.maxValue) me.centers.push(getX((me.maxValue - n) / 2 + n));
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};
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var resetPageX = function (e) {
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if(!me.includeSnap) return;
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_.each(me.centers, function (x) {
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if((e.pageX <= x + me.intervalSnap) && (e.pageX >= x - me.intervalSnap)) {
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e.pageX = x;
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return;
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}
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});
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};
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var onMouseUp = function (e) {
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e.preventDefault();
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e.stopPropagation();
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resetPageX(e);
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var index = e.data.index,
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lastValue = me.thumbs[index].value,
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minValue = (index-1<0) ? 0 : me.thumbs[index-1].position,
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maxValue = (index+1<me.thumbs.length) ? me.thumbs[index+1].position : 100,
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position = Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left - me._dragstart) / me.width * 100),
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need_sort = position < minValue || position > maxValue,
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pos = Math.max(0, Math.min(100, position)),
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value = pos/me.delta + me.minValue;
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if (me.isRemoveThumb) {
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if (me.thumbs.length < 3) {
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$(document).off('mouseup', me.binding.onMouseUp);
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$(document).off('mousemove', me.binding.onMouseMove);
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me._dragstart = undefined;
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return;
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}
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me.trigger('removethumb', me, _.findIndex(me.thumbs, {index: index}));
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me.trigger('change', me, value, lastValue);
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me.trigger('changecomplete', me, value, lastValue);
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} else {
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me.setThumbPosition(index, pos);
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me.thumbs[index].value = value;
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if (need_sort)
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me.sortThumbs();
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}
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$(document).off('mouseup', me.binding.onMouseUp);
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$(document).off('mousemove', me.binding.onMouseMove);
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me._dragstart = undefined;
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!me.isRemoveThumb && me.trigger('changecomplete', me, value, lastValue);
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me.isRemoveThumb = undefined;
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};
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var onMouseMove = function (e) {
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if ( me.disabled ) return;
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if ( me._dragstart===undefined ) return;
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e.preventDefault();
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e.stopPropagation();
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resetPageX(e);
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var index = e.data.index,
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lastValue = me.thumbs[index].value,
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minValue = (index-1<0) ? 0 : me.thumbs[index-1].position,
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maxValue = (index+1<me.thumbs.length) ? me.thumbs[index+1].position : 100,
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position = Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left - me._dragstart) / me.width * 100),
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need_sort = position < minValue || position > maxValue,
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pos = Math.max(0, Math.min(100, position)),
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value = pos/me.delta + me.minValue;
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me.setThumbPosition(index, pos);
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me.thumbs[index].value = value;
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if (need_sort)
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me.sortThumbs();
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var positionY = e.pageY*Common.Utils.zoom() - me.cmpEl.offset().top;
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me.isRemoveThumb = positionY > me.cmpEl.height() || positionY < 0;
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me.setRemoveThumb(index, me.isRemoveThumb);
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if (Math.abs(value-lastValue)>0.001)
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me.trigger('change', me, value, lastValue);
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};
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var onMouseDown = function (e) {
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if ( me.disabled ) return;
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var index = e.data.index,
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thumb = me.thumbs[index].thumb;
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me._dragstart = e.pageX*Common.Utils.zoom() - thumb.offset().left - thumb.width()/2;
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setCenters(index);
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me.setActiveThumb(index);
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_.each(me.thumbs, function (item, idx) {
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(index == idx) ? item.thumb.css('z-index', 500) : item.thumb.css('z-index', '');
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});
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$(document).on('mouseup', null, e.data, me.binding.onMouseUp);
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$(document).on('mousemove', null, e.data, me.binding.onMouseMove);
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};
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var onTrackMouseUp = function (e) {
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if ( me.disabled || !_.isUndefined(me._dragstart) || me.thumbs.length > 9) return;
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var pos = Math.max(0, Math.min(100, (Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left) / me.width * 100)))),
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nearIndex = findThumb(pos),
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thumbColor = me.thumbs[nearIndex].colorValue,
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thumbValue = me.thumbs[nearIndex].value,
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value = pos/me.delta + me.minValue;
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me.addThumb();
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var index = me.thumbs.length - 1;
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me.setThumbPosition(index, pos);
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me.thumbs[index].value = value;
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me.trigger('addthumb', me, index, pos);
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me.trigger('change', me);
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me.trigger('changecomplete', me);
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};
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/*var onTrackMouseDown = function (e) {
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if ( me.disabled ) return;
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var pos = Math.max(0, Math.min(100, (Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left) / me.width * 100)))),
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index = findThumb(pos),
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lastValue = me.thumbs[index].value,
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value = pos/me.delta + me.minValue;
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me.setThumbPosition(index, pos);
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me.thumbs[index].value = value;
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me.trigger('change', me, value, lastValue);
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me.trigger('changecomplete', me, value, lastValue);
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};*/
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|
var findThumb = function(pos) {
|
|
var nearest = 100,
|
|
index = 0,
|
|
len = me.thumbs.length,
|
|
dist;
|
|
|
|
for (var i=0; i<len; i++) {
|
|
dist = Math.abs(me.thumbs[i].position - pos);
|
|
if (Math.abs(dist <= nearest)) {
|
|
var above = me.thumbs[i + 1];
|
|
var below = me.thumbs[i - 1];
|
|
|
|
if (below !== undefined && pos < below.position) {
|
|
continue;
|
|
}
|
|
if (above !== undefined && pos > above.position) {
|
|
continue;
|
|
}
|
|
index = i;
|
|
nearest = dist;
|
|
}
|
|
}
|
|
return index;
|
|
};
|
|
|
|
this.binding = {
|
|
onMouseUp: _.bind(onMouseUp, this),
|
|
onMouseMove: _.bind(onMouseMove, this),
|
|
onMouseDown: _.bind(onMouseDown, this)
|
|
};
|
|
|
|
this.$thumbs = el.find('.thumb');
|
|
_.each(this.$thumbs, function(item, index) {
|
|
var thumb = $(item);
|
|
me.thumbs.push({
|
|
thumb: thumb,
|
|
index: index
|
|
});
|
|
me.setValue(index, me.options.values[index]);
|
|
thumb.on('mousedown', null, me.thumbs[index], me.binding.onMouseDown);
|
|
});
|
|
me.setActiveThumb(0, true);
|
|
|
|
if (!me.rendered) {
|
|
/*el.on('mousedown', '.track', onTrackMouseDown);*/
|
|
el.on('mouseup', '.track', onTrackMouseUp);
|
|
}
|
|
|
|
me.rendered = true;
|
|
|
|
return this;
|
|
},
|
|
|
|
setActiveThumb: function(index, suspend) {
|
|
this.currentThumb = index;
|
|
this.$thumbs = this.cmpEl.find('.thumb');
|
|
this.$thumbs.removeClass('active');
|
|
this.thumbs[index].thumb.addClass('active');
|
|
if (suspend!==true) this.trigger('thumbclick', this, index);
|
|
},
|
|
|
|
setRemoveThumb: function(index, remove) {
|
|
var ind = _.findIndex(this.thumbs, {index: index});
|
|
if (ind !== -1) {
|
|
if (remove && this.thumbs.length > 2) {
|
|
this.$el.find('.active').addClass('remove');
|
|
} else {
|
|
this.$el.find('.remove').removeClass('remove');
|
|
}
|
|
}
|
|
},
|
|
|
|
setThumbPosition: function(index, x) {
|
|
this.thumbs[index].position = x;
|
|
this.thumbs[index].thumb.css({left: x + '%'});
|
|
},
|
|
|
|
setValue: function(index, value) {
|
|
this.thumbs[index].value = Math.max(this.minValue, Math.min(this.maxValue, value));
|
|
this.setThumbPosition(index, Math.round((value-this.minValue)*this.delta));
|
|
},
|
|
|
|
getValue: function(index) {
|
|
return this.thumbs[index].value;
|
|
},
|
|
|
|
getValues: function() {
|
|
var values = [];
|
|
_.each (this.thumbs, function(thumb) {
|
|
values.push(thumb.value);
|
|
});
|
|
|
|
return values;
|
|
},
|
|
|
|
setDisabled: function(disabled) {
|
|
if (disabled !== this.disabled)
|
|
this.cmpEl.toggleClass('disabled', disabled);
|
|
this.disabled = disabled;
|
|
},
|
|
|
|
sortThumbs: function() {
|
|
this.thumbs.sort(function(a, b) {
|
|
return (a.position - b.position);
|
|
});
|
|
var recalc_indexes = [];
|
|
_.each (this.thumbs, function(thumb, index) {
|
|
recalc_indexes.push(thumb.index);
|
|
thumb.index = index;
|
|
});
|
|
return recalc_indexes;
|
|
},
|
|
|
|
setThumbs: function(count) {
|
|
var length = this.thumbs.length;
|
|
if (length==count) return;
|
|
|
|
for (var i=0; i<Math.abs(count-length); i++)
|
|
(length<count) ? this.addThumb() : this.removeThumb();
|
|
},
|
|
|
|
addThumb: function() {
|
|
var el = this.cmpEl,
|
|
thumb = $(this.options.thumbTemplate),
|
|
index = this.thumbs.length;
|
|
el.append(thumb);
|
|
this.thumbs.push({
|
|
thumb: thumb,
|
|
index: index
|
|
});
|
|
(index>0) && this.setValue(index, this.getValue(index-1));
|
|
thumb.on('mousedown', null, this.thumbs[index], this.binding.onMouseDown);
|
|
},
|
|
|
|
removeThumb: function(index) {
|
|
if (index===undefined) index = this.thumbs.length-1;
|
|
if (index>0) {
|
|
this.thumbs[index].thumb.remove();
|
|
this.thumbs.splice(index, 1);
|
|
}
|
|
}
|
|
});
|
|
});
|