/*
*
* (c) Copyright Ascensio System SIA 2010-2019
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
/**
* MultiSliderGradient.js
*
* Created by Julia Radzhabova on 2/19/14
* Copyright (c) 2018 Ascensio System SIA. All rights reserved.
*
*/
if (Common === undefined)
var Common = {};
define([
'common/main/lib/component/Slider',
'underscore'
], function (base, _) {
'use strict';
Common.UI.MultiSliderGradient = Common.UI.MultiSlider.extend({
options : {
width: 100,
minValue: 0,
maxValue: 100,
values: [0, 100],
colorValues: ['#000000', '#ffffff'],
currentThumb: 0,
includeSnap: true,
intervalSnap: 5,
thumbTemplate: '<div class="thumb" style="">' +
'<div class="thumb-top"><div class="thumb-top-inner"></div></div>' +
'<div class="thumb-bottom"><div class="thumb-bottom-inner"></div></div>' +
'</div>'
},
disabled: false,
template : _.template([
'<div class="slider multi-slider-gradient">',
'<div class="track"></div>',
'<% _.each(items, function(item) { %>',
'<%= thumbTemplate %>',
'<% }); %>',
'</div>'
].join('')),
initialize : function(options) {
this.styleStr = {};
Common.UI.MultiSlider.prototype.initialize.call(this, options);
},
render : function(parentEl) {
Common.UI.MultiSlider.prototype.render.call(this, parentEl);
var me = this;
me.trackEl = me.cmpEl.find('.track');
for (var i=0; i<me.thumbs.length; i++) {
me.thumbs[i].thumb.on('dblclick', null, function() {
me.trigger('thumbdblclick', me);
});
me.thumbs[i].thumbcolor = me.thumbs[i].thumb.find('> div');
me.setColorValue(me.options.colorValues[i], i);
}
me.changeSliderStyle();
me.changeGradientStyle();
me.on('change', _.bind(me.changeGradientStyle, me));
},
setColorValue: function(color, index) {
var ind = (index!==undefined) ? index : this.currentThumb;
this.thumbs[ind].colorValue = color;
this.thumbs[ind].thumbcolor.css('background-color', color);
this.changeGradientStyle();
},
getColorValue: function(index) {
var ind = (index!==undefined) ? index : this.currentThumb;
return this.thumbs[ind].colorValue;
},
setValue: function(index, value) {
Common.UI.MultiSlider.prototype.setValue.call(this, index, value);
this.changeGradientStyle();
},
getColorValues: function() {
var values = [];
_.each (this.thumbs, function(thumb) {
values.push(thumb.colorValue);
});
return values;
},
changeGradientStyle: function() {
if (!this.rendered) return;
var style;
if (this.styleStr.specific) {
style = Common.Utils.String.format(this.styleStr.specific, this.getColorValues().concat(this.getValues()));
this.trackEl.css('background', style);
}
if (Common.Utils.isIE) {
style = Common.Utils.String.format('progid:DXImageTransform.Microsoft.gradient( startColorstr={0}, endColorstr={1},GradientType=1 )',
this.getColorValue(0), this.getColorValue(this.thumbs.length-1));
this.trackEl.css('filter', style);
}
if (this.styleStr.common) {
style = Common.Utils.String.format(this.styleStr.common, this.getColorValues().concat(this.getValues()));
this.trackEl.css('background', style);
}
},
sortThumbs: function() {
var recalc_indexes = Common.UI.MultiSlider.prototype.sortThumbs.call(this);
this.trigger('sortthumbs', this, recalc_indexes);
return recalc_indexes;
},
findLeftThumb: function(pos) {
var me = this,
leftThumb = 100,
index = 0,
len = this.thumbs.length,
dist;
for (var i=0; i<len; i++) {
dist = pos - me.thumbs[i].position;
if (dist > 0 && dist <= leftThumb) {
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;
leftThumb = dist;
}
}
return index;
},
calculationNewColor: function(color1, color2, ratio) {
var w1 = ratio ? ratio/100 : 0.5;
var w2 = 1 - w1;
var rgbColor1 = Common.Utils.ThemeColor.getRgbColor(color1),
rgbColor2 = Common.Utils.ThemeColor.getRgbColor(color2);
var rgb = [Math.round(rgbColor1.get_r() * w2 + rgbColor2.get_r() * w1),
Math.round(rgbColor1.get_g() * w2 + rgbColor2.get_g() * w1),
Math.round(rgbColor1.get_b() * w2 + rgbColor2.get_b() * w1)];
return Common.Utils.ThemeColor.getHexColor(rgb[0], rgb[1], rgb[2]);
},
addThumb: function() {
Common.UI.MultiSlider.prototype.addThumb.call(this);
var me = this,
index = me.thumbs.length-1;
me.thumbs[index].thumb.on('dblclick', null, function() {
me.trigger('thumbdblclick', me);
});
me.thumbs[index].thumbcolor = me.thumbs[index].thumb.find('> div');
(index>0) && this.setColorValue(this.getColorValue(index-1), index);
me.changeSliderStyle();
},
addNewThumb: function(index, pos, curIndex) {
var me = this,
indexLeftThumb = this.findLeftThumb(pos),
index = index,
color;
if (!_.isUndefined(curIndex)) {
this.addThumb();
index = this.thumbs.length - 1;
color = this.calculationNewColor(this.thumbs[indexLeftThumb].colorValue, this.thumbs[indexLeftThumb === index - 1 ? indexLeftThumb : indexLeftThumb + 1].colorValue);
this.setThumbPosition(index, pos);
var value = pos/this.delta + this.minValue;
this.thumbs[index].value = value;
} else {
var ratio = (pos - this.thumbs[indexLeftThumb].value) * 100 / (this.thumbs[indexLeftThumb + 1].value - this.thumbs[indexLeftThumb].value);
color = ratio < 0 ? this.thumbs[indexLeftThumb].colorValue : this.calculationNewColor(this.thumbs[indexLeftThumb].colorValue, this.thumbs[indexLeftThumb === index - 1 ? indexLeftThumb : indexLeftThumb + 1].colorValue, ratio);
}
me.thumbs[index].thumbcolor = me.thumbs[index].thumb.find('> div');
(index>0) && this.setColorValue('#' + color, index);
me.sortThumbs();
me.changeSliderStyle();
me.changeGradientStyle();
return color;
},
removeThumb: function(index) {
if (index===undefined) index = this.thumbs.length-1;
if (this.thumbs.length > 2) {
this.thumbs[index].thumb.remove();
this.thumbs.splice(index, 1);
this.sortThumbs();
this.changeSliderStyle();
}
},
changeSliderStyle: function() {
this.styleStr = {
specific: '',
common: 'linear-gradient(to right'
};
if (Common.Utils.isChrome && Common.Utils.chromeVersion<10 || Common.Utils.isSafari && Common.Utils.safariVersion<5.1)
this.styleStr.specific = '-webkit-gradient(linear, left top, right top'; /* Chrome,Safari4+ */
else if (Common.Utils.isChrome || Common.Utils.isSafari)
this.styleStr.specific = '-webkit-linear-gradient(left';
else if (Common.Utils.isGecko)
this.styleStr.specific = '-moz-linear-gradient(left';
else if (Common.Utils.isOpera && Common.Utils.operaVersion>11.0)
this.styleStr.specific = '-o-linear-gradient(left';
else if (Common.Utils.isIE)
this.styleStr.specific = '-ms-linear-gradient(left';
for (var i=0; i<this.thumbs.length; i++) {
this.styleStr.common += ', {' + i + '} {' + (this.thumbs.length + i) + '}%';
if (Common.Utils.isChrome && Common.Utils.chromeVersion<10 || Common.Utils.isSafari && Common.Utils.safariVersion<5.1)
this.styleStr.specific += ', color-stop({' + (this.thumbs.length + i) + '}%,{' + i + '})';
else
this.styleStr.specific += ', {' + i + '} {' + (this.thumbs.length + i) + '}%';
}
this.styleStr.specific += ')';
this.styleStr.common += ')';
}
});
});