266 lines
11 KiB
JavaScript
266 lines
11 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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* MultiSliderGradient.js
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*
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* Created by Julia Radzhabova on 2/19/14
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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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if (Common === undefined)
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var Common = {};
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define([
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'common/main/lib/component/Slider',
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'underscore'
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], function (base, _) {
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'use strict';
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Common.UI.MultiSliderGradient = Common.UI.MultiSlider.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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colorValues: ['#000000', '#ffffff'],
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currentThumb: 0,
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includeSnap: true,
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intervalSnap: 5,
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thumbTemplate: '<div class="thumb" style="">' +
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'<div class="thumb-top"><div class="thumb-top-inner"></div></div>' +
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'<div class="thumb-bottom"><div class="thumb-bottom-inner"></div></div>' +
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'</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-gradient">',
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'<div class="track"></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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this.styleStr = {};
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Common.UI.MultiSlider.prototype.initialize.call(this, options);
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},
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render : function(parentEl) {
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Common.UI.MultiSlider.prototype.render.call(this, parentEl);
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var me = this;
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me.trackEl = me.cmpEl.find('.track');
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for (var i=0; i<me.thumbs.length; i++) {
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me.thumbs[i].thumb.on('dblclick', null, function() {
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me.trigger('thumbdblclick', me);
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});
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me.thumbs[i].thumbcolor = me.thumbs[i].thumb.find('> div');
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me.setColorValue(me.options.colorValues[i], i);
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}
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me.changeSliderStyle();
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me.changeGradientStyle();
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me.on('change', _.bind(me.changeGradientStyle, me));
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},
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setColorValue: function(color, index) {
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var ind = (index!==undefined) ? index : this.currentThumb;
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this.thumbs[ind].colorValue = color;
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this.thumbs[ind].thumbcolor.css('background-color', color);
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this.changeGradientStyle();
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},
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getColorValue: function(index) {
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var ind = (index!==undefined) ? index : this.currentThumb;
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return this.thumbs[ind].colorValue;
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},
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setValue: function(index, value) {
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Common.UI.MultiSlider.prototype.setValue.call(this, index, value);
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this.changeGradientStyle();
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},
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getColorValues: function() {
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var values = [];
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_.each (this.thumbs, function(thumb) {
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values.push(thumb.colorValue);
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});
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return values;
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},
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changeGradientStyle: function() {
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if (!this.rendered) return;
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var style;
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if (this.styleStr.specific) {
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style = Common.Utils.String.format(this.styleStr.specific, this.getColorValues().concat(this.getValues()));
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this.trackEl.css('background', style);
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}
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if (Common.Utils.isIE) {
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style = Common.Utils.String.format('progid:DXImageTransform.Microsoft.gradient( startColorstr={0}, endColorstr={1},GradientType=1 )',
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this.getColorValue(0), this.getColorValue(this.thumbs.length-1));
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this.trackEl.css('filter', style);
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}
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if (this.styleStr.common) {
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style = Common.Utils.String.format(this.styleStr.common, this.getColorValues().concat(this.getValues()));
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this.trackEl.css('background', style);
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}
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},
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sortThumbs: function() {
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var recalc_indexes = Common.UI.MultiSlider.prototype.sortThumbs.call(this);
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this.trigger('sortthumbs', this, recalc_indexes);
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return recalc_indexes;
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},
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findLeftThumb: function(pos) {
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var me = this,
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leftThumb = 100,
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index = 0,
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len = this.thumbs.length,
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dist;
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for (var i=0; i<len; i++) {
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dist = pos - me.thumbs[i].position;
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if (dist > 0 && dist <= leftThumb) {
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var above = me.thumbs[i + 1];
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var below = me.thumbs[i - 1];
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if (below !== undefined && pos < below.position) {
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continue;
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}
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if (above !== undefined && pos > above.position) {
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continue;
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}
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index = i;
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leftThumb = dist;
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}
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}
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return index;
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},
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calculationNewColor: function(color1, color2, ratio) {
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var w1 = ratio ? ratio/100 : 0.5;
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var w2 = 1 - w1;
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var rgbColor1 = Common.Utils.ThemeColor.getRgbColor(color1),
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rgbColor2 = Common.Utils.ThemeColor.getRgbColor(color2);
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var rgb = [Math.round(rgbColor1.get_r() * w2 + rgbColor2.get_r() * w1),
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Math.round(rgbColor1.get_g() * w2 + rgbColor2.get_g() * w1),
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Math.round(rgbColor1.get_b() * w2 + rgbColor2.get_b() * w1)];
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return Common.Utils.ThemeColor.getHexColor(rgb[0], rgb[1], rgb[2]);
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},
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addThumb: function() {
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Common.UI.MultiSlider.prototype.addThumb.call(this);
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var me = this,
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index = me.thumbs.length-1;
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me.thumbs[index].thumb.on('dblclick', null, function() {
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me.trigger('thumbdblclick', me);
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});
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me.thumbs[index].thumbcolor = me.thumbs[index].thumb.find('> div');
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(index>0) && this.setColorValue(this.getColorValue(index-1), index);
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me.changeSliderStyle();
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},
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addNewThumb: function(index, pos, curIndex) {
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var me = this,
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indexLeftThumb = this.findLeftThumb(pos),
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index = index,
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color;
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if (!_.isUndefined(curIndex)) {
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this.addThumb();
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index = this.thumbs.length - 1;
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color = this.calculationNewColor(this.thumbs[indexLeftThumb].colorValue, this.thumbs[indexLeftThumb === index - 1 ? indexLeftThumb : indexLeftThumb + 1].colorValue);
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this.setThumbPosition(index, pos);
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var value = pos/this.delta + this.minValue;
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this.thumbs[index].value = value;
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} else {
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var ratio = (pos - this.thumbs[indexLeftThumb].value) * 100 / (this.thumbs[indexLeftThumb + 1].value - this.thumbs[indexLeftThumb].value);
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color = ratio < 0 ? this.thumbs[indexLeftThumb].colorValue : this.calculationNewColor(this.thumbs[indexLeftThumb].colorValue, this.thumbs[indexLeftThumb === index - 1 ? indexLeftThumb : indexLeftThumb + 1].colorValue, ratio);
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}
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me.thumbs[index].thumbcolor = me.thumbs[index].thumb.find('> div');
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(index>0) && this.setColorValue('#' + color, index);
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me.sortThumbs();
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me.changeSliderStyle();
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me.changeGradientStyle();
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return color;
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},
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removeThumb: function(index) {
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if (index===undefined) index = this.thumbs.length-1;
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if (this.thumbs.length > 2) {
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this.thumbs[index].thumb.remove();
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this.thumbs.splice(index, 1);
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this.sortThumbs();
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this.changeSliderStyle();
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}
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},
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changeSliderStyle: function() {
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this.styleStr = {
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specific: '',
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common: 'linear-gradient(to right'
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};
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if (Common.Utils.isChrome && Common.Utils.chromeVersion<10 || Common.Utils.isSafari && Common.Utils.safariVersion<5.1)
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this.styleStr.specific = '-webkit-gradient(linear, left top, right top'; /* Chrome,Safari4+ */
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else if (Common.Utils.isChrome || Common.Utils.isSafari)
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this.styleStr.specific = '-webkit-linear-gradient(left';
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else if (Common.Utils.isGecko)
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this.styleStr.specific = '-moz-linear-gradient(left';
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else if (Common.Utils.isOpera && Common.Utils.operaVersion>11.0)
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this.styleStr.specific = '-o-linear-gradient(left';
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else if (Common.Utils.isIE)
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this.styleStr.specific = '-ms-linear-gradient(left';
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for (var i=0; i<this.thumbs.length; i++) {
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this.styleStr.common += ', {' + i + '} {' + (this.thumbs.length + i) + '}%';
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if (Common.Utils.isChrome && Common.Utils.chromeVersion<10 || Common.Utils.isSafari && Common.Utils.safariVersion<5.1)
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this.styleStr.specific += ', color-stop({' + (this.thumbs.length + i) + '}%,{' + i + '})';
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else
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this.styleStr.specific += ', {' + i + '} {' + (this.thumbs.length + i) + '}%';
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}
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this.styleStr.specific += ')';
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this.styleStr.common += ')';
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}
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});
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});
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