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ion.rangeSlider.js
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ion.rangeSlider.js
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// Ion.RangeSlider
// version 2.3.1 Build: 382
// © Denis Ineshin, 2019
// https://github.com/IonDen
//
// Project page: http://ionden.com/a/plugins/ion.rangeSlider/en.html
// GitHub page: https://github.com/IonDen/ion.rangeSlider
//
// Released under MIT licence:
// http://ionden.com/a/plugins/licence-en.html
// =====================================================================================================================
;(function(factory) {
if ((typeof jQuery === 'undefined' || !jQuery) && typeof define === "function" && define.amd) {
define(["jquery"], function (jQuery) {
return factory(jQuery, document, window, navigator);
});
} else if ((typeof jQuery === 'undefined' || !jQuery) && typeof exports === "object") {
factory(require("jquery"), document, window, navigator);
} else {
factory(jQuery, document, window, navigator);
}
} (function ($, document, window, navigator, undefined) {
"use strict";
// =================================================================================================================
// Service
var plugin_count = 0;
// IE8 fix
var is_old_ie = (function () {
var n = navigator.userAgent,
r = /msie\s\d+/i,
v;
if (n.search(r) > 0) {
v = r.exec(n).toString();
v = v.split(" ")[1];
if (v < 9) {
$("html").addClass("lt-ie9");
return true;
}
}
return false;
} ());
if (!Function.prototype.bind) {
Function.prototype.bind = function bind(that) {
var target = this;
var slice = [].slice;
if (typeof target != "function") {
throw new TypeError();
}
var args = slice.call(arguments, 1),
bound = function () {
if (this instanceof bound) {
var F = function(){};
F.prototype = target.prototype;
var self = new F();
var result = target.apply(
self,
args.concat(slice.call(arguments))
);
if (Object(result) === result) {
return result;
}
return self;
} else {
return target.apply(
that,
args.concat(slice.call(arguments))
);
}
};
return bound;
};
}
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function(searchElement, fromIndex) {
var k;
if (this == null) {
throw new TypeError('"this" is null or not defined');
}
var O = Object(this);
var len = O.length >>> 0;
if (len === 0) {
return -1;
}
var n = +fromIndex || 0;
if (Math.abs(n) === Infinity) {
n = 0;
}
if (n >= len) {
return -1;
}
k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);
while (k < len) {
if (k in O && O[k] === searchElement) {
return k;
}
k++;
}
return -1;
};
}
// =================================================================================================================
// Template
var base_html =
'<span class="irs">' +
'<span class="irs-line" tabindex="0"></span>' +
'<span class="irs-min">0</span><span class="irs-max">1</span>' +
'<span class="irs-from">0</span><span class="irs-to">0</span><span class="irs-single">0</span>' +
'</span>' +
'<span class="irs-grid"></span>';
var single_html =
'<span class="irs-bar irs-bar--single"></span>' +
'<span class="irs-shadow shadow-single"></span>' +
'<span class="irs-handle single"><i></i><i></i><i></i></span>';
var double_html =
'<span class="irs-bar"></span>' +
'<span class="irs-shadow shadow-from"></span>' +
'<span class="irs-shadow shadow-to"></span>' +
'<span class="irs-handle from"><i></i><i></i><i></i></span>' +
'<span class="irs-handle to"><i></i><i></i><i></i></span>';
var disable_html =
'<span class="irs-disable-mask"></span>';
// =================================================================================================================
// Core
/**
* Main plugin constructor
*
* @param input {Object} link to base input element
* @param options {Object} slider config
* @param plugin_count {Number}
* @constructor
*/
var IonRangeSlider = function (input, options, plugin_count) {
this.VERSION = "2.3.1";
this.input = input;
this.plugin_count = plugin_count;
this.current_plugin = 0;
this.calc_count = 0;
this.update_tm = 0;
this.old_from = 0;
this.old_to = 0;
this.old_min_interval = null;
this.raf_id = null;
this.dragging = false;
this.force_redraw = false;
this.no_diapason = false;
this.has_tab_index = true;
this.is_key = false;
this.is_update = false;
this.is_start = true;
this.is_finish = false;
this.is_active = false;
this.is_resize = false;
this.is_click = false;
options = options || {};
// cache for links to all DOM elements
this.$cache = {
win: $(window),
body: $(document.body),
input: $(input),
cont: null,
rs: null,
min: null,
max: null,
from: null,
to: null,
single: null,
bar: null,
line: null,
s_single: null,
s_from: null,
s_to: null,
shad_single: null,
shad_from: null,
shad_to: null,
edge: null,
grid: null,
grid_labels: []
};
// storage for measure variables
this.coords = {
// left
x_gap: 0,
x_pointer: 0,
// width
w_rs: 0,
w_rs_old: 0,
w_handle: 0,
// percents
p_gap: 0,
p_gap_left: 0,
p_gap_right: 0,
p_step: 0,
p_pointer: 0,
p_handle: 0,
p_single_fake: 0,
p_single_real: 0,
p_from_fake: 0,
p_from_real: 0,
p_to_fake: 0,
p_to_real: 0,
p_bar_x: 0,
p_bar_w: 0,
// grid
grid_gap: 0,
big_num: 0,
big: [],
big_w: [],
big_p: [],
big_x: []
};
// storage for labels measure variables
this.labels = {
// width
w_min: 0,
w_max: 0,
w_from: 0,
w_to: 0,
w_single: 0,
// percents
p_min: 0,
p_max: 0,
p_from_fake: 0,
p_from_left: 0,
p_to_fake: 0,
p_to_left: 0,
p_single_fake: 0,
p_single_left: 0
};
/**
* get and validate config
*/
var $inp = this.$cache.input,
val = $inp.prop("value"),
config, config_from_data, prop;
// default config
config = {
skin: "flat",
type: "single",
min: 10,
max: 100,
from: null,
to: null,
step: 1,
min_interval: 0,
max_interval: 0,
drag_interval: false,
values: [],
p_values: [],
from_fixed: false,
from_min: null,
from_max: null,
from_shadow: false,
to_fixed: false,
to_min: null,
to_max: null,
to_shadow: false,
prettify_enabled: true,
prettify_separator: " ",
prettify: null,
force_edges: false,
keyboard: true,
grid: false,
grid_margin: true,
grid_num: 4,
grid_snap: false,
hide_min_max: false,
hide_from_to: false,
prefix: "",
postfix: "",
max_postfix: "",
decorate_both: true,
values_separator: " — ",
input_values_separator: ";",
disable: false,
block: false,
extra_classes: "",
scope: null,
onStart: null,
onChange: null,
onFinish: null,
onUpdate: null
};
// check if base element is input
if ($inp[0].nodeName !== "INPUT") {
console && console.warn && console.warn("Base element should be <input>!", $inp[0]);
}
// config from data-attributes extends js config
config_from_data = {
skin: $inp.data("skin"),
type: $inp.data("type"),
min: $inp.data("min"),
max: $inp.data("max"),
from: $inp.data("from"),
to: $inp.data("to"),
step: $inp.data("step"),
min_interval: $inp.data("minInterval"),
max_interval: $inp.data("maxInterval"),
drag_interval: $inp.data("dragInterval"),
values: $inp.data("values"),
from_fixed: $inp.data("fromFixed"),
from_min: $inp.data("fromMin"),
from_max: $inp.data("fromMax"),
from_shadow: $inp.data("fromShadow"),
to_fixed: $inp.data("toFixed"),
to_min: $inp.data("toMin"),
to_max: $inp.data("toMax"),
to_shadow: $inp.data("toShadow"),
prettify_enabled: $inp.data("prettifyEnabled"),
prettify_separator: $inp.data("prettifySeparator"),
force_edges: $inp.data("forceEdges"),
keyboard: $inp.data("keyboard"),
grid: $inp.data("grid"),
grid_margin: $inp.data("gridMargin"),
grid_num: $inp.data("gridNum"),
grid_snap: $inp.data("gridSnap"),
hide_min_max: $inp.data("hideMinMax"),
hide_from_to: $inp.data("hideFromTo"),
prefix: $inp.data("prefix"),
postfix: $inp.data("postfix"),
max_postfix: $inp.data("maxPostfix"),
decorate_both: $inp.data("decorateBoth"),
values_separator: $inp.data("valuesSeparator"),
input_values_separator: $inp.data("inputValuesSeparator"),
disable: $inp.data("disable"),
block: $inp.data("block"),
extra_classes: $inp.data("extraClasses"),
};
config_from_data.values = config_from_data.values && config_from_data.values.split(",");
for (prop in config_from_data) {
if (config_from_data.hasOwnProperty(prop)) {
if (config_from_data[prop] === undefined || config_from_data[prop] === "") {
delete config_from_data[prop];
}
}
}
// input value extends default config
if (val !== undefined && val !== "") {
val = val.split(config_from_data.input_values_separator || options.input_values_separator || ";");
if (val[0] && val[0] == +val[0]) {
val[0] = +val[0];
}
if (val[1] && val[1] == +val[1]) {
val[1] = +val[1];
}
if (options && options.values && options.values.length) {
config.from = val[0] && options.values.indexOf(val[0]);
config.to = val[1] && options.values.indexOf(val[1]);
} else {
config.from = val[0] && +val[0];
config.to = val[1] && +val[1];
}
}
// js config extends default config
$.extend(config, options);
// data config extends config
$.extend(config, config_from_data);
this.options = config;
// validate config, to be sure that all data types are correct
this.update_check = {};
this.validate();
// default result object, returned to callbacks
this.result = {
input: this.$cache.input,
slider: null,
min: this.options.min,
max: this.options.max,
from: this.options.from,
from_percent: 0,
from_value: null,
to: this.options.to,
to_percent: 0,
to_value: null
};
this.init();
};
IonRangeSlider.prototype = {
/**
* Starts or updates the plugin instance
*
* @param [is_update] {boolean}
*/
init: function (is_update) {
this.no_diapason = false;
this.coords.p_step = this.convertToPercent(this.options.step, true);
this.target = "base";
this.toggleInput();
this.append();
this.setMinMax();
if (is_update) {
this.force_redraw = true;
this.calc(true);
// callbacks called
this.callOnUpdate();
} else {
this.force_redraw = true;
this.calc(true);
// callbacks called
this.callOnStart();
}
this.updateScene();
},
/**
* Appends slider template to a DOM
*/
append: function () {
var container_html = '<span class="irs irs--' + this.options.skin + ' js-irs-' + this.plugin_count + ' ' + this.options.extra_classes + '"></span>';
this.$cache.input.before(container_html);
this.$cache.input.prop("readonly", true);
this.$cache.cont = this.$cache.input.prev();
this.result.slider = this.$cache.cont;
this.$cache.cont.html(base_html);
this.$cache.rs = this.$cache.cont.find(".irs");
this.$cache.min = this.$cache.cont.find(".irs-min");
this.$cache.max = this.$cache.cont.find(".irs-max");
this.$cache.from = this.$cache.cont.find(".irs-from");
this.$cache.to = this.$cache.cont.find(".irs-to");
this.$cache.single = this.$cache.cont.find(".irs-single");
this.$cache.line = this.$cache.cont.find(".irs-line");
this.$cache.grid = this.$cache.cont.find(".irs-grid");
if (this.options.type === "single") {
this.$cache.cont.append(single_html);
this.$cache.bar = this.$cache.cont.find(".irs-bar");
this.$cache.edge = this.$cache.cont.find(".irs-bar-edge");
this.$cache.s_single = this.$cache.cont.find(".single");
this.$cache.from[0].style.visibility = "hidden";
this.$cache.to[0].style.visibility = "hidden";
this.$cache.shad_single = this.$cache.cont.find(".shadow-single");
} else {
this.$cache.cont.append(double_html);
this.$cache.bar = this.$cache.cont.find(".irs-bar");
this.$cache.s_from = this.$cache.cont.find(".from");
this.$cache.s_to = this.$cache.cont.find(".to");
this.$cache.shad_from = this.$cache.cont.find(".shadow-from");
this.$cache.shad_to = this.$cache.cont.find(".shadow-to");
this.setTopHandler();
}
if (this.options.hide_from_to) {
this.$cache.from[0].style.display = "none";
this.$cache.to[0].style.display = "none";
this.$cache.single[0].style.display = "none";
}
this.appendGrid();
if (this.options.disable) {
this.appendDisableMask();
this.$cache.input[0].disabled = true;
} else {
this.$cache.input[0].disabled = false;
this.removeDisableMask();
this.bindEvents();
}
// block only if not disabled
if (!this.options.disable) {
if (this.options.block) {
this.appendDisableMask();
} else {
this.removeDisableMask();
}
}
if (this.options.drag_interval) {
this.$cache.bar[0].style.cursor = "ew-resize";
}
},
/**
* Determine which handler has a priority
* works only for double slider type
*/
setTopHandler: function () {
var min = this.options.min,
max = this.options.max,
from = this.options.from,
to = this.options.to;
if (from > min && to === max) {
this.$cache.s_from.addClass("type_last");
} else if (to < max) {
this.$cache.s_to.addClass("type_last");
}
},
/**
* Determine which handles was clicked last
* and which handler should have hover effect
*
* @param target {String}
*/
changeLevel: function (target) {
switch (target) {
case "single":
this.coords.p_gap = this.toFixed(this.coords.p_pointer - this.coords.p_single_fake);
this.$cache.s_single.addClass("state_hover");
break;
case "from":
this.coords.p_gap = this.toFixed(this.coords.p_pointer - this.coords.p_from_fake);
this.$cache.s_from.addClass("state_hover");
this.$cache.s_from.addClass("type_last");
this.$cache.s_to.removeClass("type_last");
break;
case "to":
this.coords.p_gap = this.toFixed(this.coords.p_pointer - this.coords.p_to_fake);
this.$cache.s_to.addClass("state_hover");
this.$cache.s_to.addClass("type_last");
this.$cache.s_from.removeClass("type_last");
break;
case "both":
this.coords.p_gap_left = this.toFixed(this.coords.p_pointer - this.coords.p_from_fake);
this.coords.p_gap_right = this.toFixed(this.coords.p_to_fake - this.coords.p_pointer);
this.$cache.s_to.removeClass("type_last");
this.$cache.s_from.removeClass("type_last");
break;
}
},
/**
* Then slider is disabled
* appends extra layer with opacity
*/
appendDisableMask: function () {
this.$cache.cont.append(disable_html);
this.$cache.cont.addClass("irs-disabled");
},
/**
* Then slider is not disabled
* remove disable mask
*/
removeDisableMask: function () {
this.$cache.cont.remove(".irs-disable-mask");
this.$cache.cont.removeClass("irs-disabled");
},
/**
* Remove slider instance
* and unbind all events
*/
remove: function () {
this.$cache.cont.remove();
this.$cache.cont = null;
this.$cache.line.off("keydown.irs_" + this.plugin_count);
this.$cache.body.off("touchmove.irs_" + this.plugin_count);
this.$cache.body.off("mousemove.irs_" + this.plugin_count);
this.$cache.win.off("touchend.irs_" + this.plugin_count);
this.$cache.win.off("mouseup.irs_" + this.plugin_count);
if (is_old_ie) {
this.$cache.body.off("mouseup.irs_" + this.plugin_count);
this.$cache.body.off("mouseleave.irs_" + this.plugin_count);
}
this.$cache.grid_labels = [];
this.coords.big = [];
this.coords.big_w = [];
this.coords.big_p = [];
this.coords.big_x = [];
cancelAnimationFrame(this.raf_id);
},
/**
* bind all slider events
*/
bindEvents: function () {
if (this.no_diapason) {
return;
}
this.$cache.body.on("touchmove.irs_" + this.plugin_count, this.pointerMove.bind(this));
this.$cache.body.on("mousemove.irs_" + this.plugin_count, this.pointerMove.bind(this));
this.$cache.win.on("touchend.irs_" + this.plugin_count, this.pointerUp.bind(this));
this.$cache.win.on("mouseup.irs_" + this.plugin_count, this.pointerUp.bind(this));
this.$cache.line.on("touchstart.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
this.$cache.line.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
this.$cache.line.on("focus.irs_" + this.plugin_count, this.pointerFocus.bind(this));
if (this.options.drag_interval && this.options.type === "double") {
this.$cache.bar.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "both"));
this.$cache.bar.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "both"));
} else {
this.$cache.bar.on("touchstart.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
this.$cache.bar.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
}
if (this.options.type === "single") {
this.$cache.single.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "single"));
this.$cache.s_single.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "single"));
this.$cache.shad_single.on("touchstart.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
this.$cache.single.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "single"));
this.$cache.s_single.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "single"));
this.$cache.edge.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
this.$cache.shad_single.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
} else {
this.$cache.single.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, null));
this.$cache.single.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, null));
this.$cache.from.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "from"));
this.$cache.s_from.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "from"));
this.$cache.to.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "to"));
this.$cache.s_to.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "to"));
this.$cache.shad_from.on("touchstart.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
this.$cache.shad_to.on("touchstart.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
this.$cache.from.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "from"));
this.$cache.s_from.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "from"));
this.$cache.to.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "to"));
this.$cache.s_to.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "to"));
this.$cache.shad_from.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
this.$cache.shad_to.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
}
if (this.options.keyboard) {
this.$cache.line.on("keydown.irs_" + this.plugin_count, this.key.bind(this, "keyboard"));
}
if (is_old_ie) {
this.$cache.body.on("mouseup.irs_" + this.plugin_count, this.pointerUp.bind(this));
this.$cache.body.on("mouseleave.irs_" + this.plugin_count, this.pointerUp.bind(this));
}
},
/**
* Focus with tabIndex
*
* @param e {Object} event object
*/
pointerFocus: function (e) {
if (!this.target) {
var x;
var $handle;
if (this.options.type === "single") {
$handle = this.$cache.single;
} else {
$handle = this.$cache.from;
}
x = $handle.offset().left;
x += ($handle.width() / 2) - 1;
this.pointerClick("single", {preventDefault: function () {}, pageX: x});
}
},
/**
* Mousemove or touchmove
* only for handlers
*
* @param e {Object} event object
*/
pointerMove: function (e) {
if (!this.dragging) {
return;
}
var x = e.pageX || e.originalEvent.touches && e.originalEvent.touches[0].pageX;
this.coords.x_pointer = x - this.coords.x_gap;
this.calc();
},
/**
* Mouseup or touchend
* only for handlers
*
* @param e {Object} event object
*/
pointerUp: function (e) {
if (this.current_plugin !== this.plugin_count) {
return;
}
if (this.is_active) {
this.is_active = false;
} else {
return;
}
this.$cache.cont.find(".state_hover").removeClass("state_hover");
this.force_redraw = true;
if (is_old_ie) {
$("*").prop("unselectable", false);
}
this.updateScene();
this.restoreOriginalMinInterval();
// callbacks call
if ($.contains(this.$cache.cont[0], e.target) || this.dragging) {
this.callOnFinish();
}
this.dragging = false;
},
/**
* Mousedown or touchstart
* only for handlers
*
* @param target {String|null}
* @param e {Object} event object
*/
pointerDown: function (target, e) {
e.preventDefault();
var x = e.pageX || e.originalEvent.touches && e.originalEvent.touches[0].pageX;
if (e.button === 2) {
return;
}
if (target === "both") {
this.setTempMinInterval();
}
if (!target) {
target = this.target || "from";
}
this.current_plugin = this.plugin_count;
this.target = target;
this.is_active = true;
this.dragging = true;
this.coords.x_gap = this.$cache.rs.offset().left;
this.coords.x_pointer = x - this.coords.x_gap;
this.calcPointerPercent();
this.changeLevel(target);
if (is_old_ie) {
$("*").prop("unselectable", true);
}
this.$cache.line.trigger("focus");
this.updateScene();
},
/**
* Mousedown or touchstart
* for other slider elements, like diapason line
*
* @param target {String}
* @param e {Object} event object
*/
pointerClick: function (target, e) {
e.preventDefault();
var x = e.pageX || e.originalEvent.touches && e.originalEvent.touches[0].pageX;
if (e.button === 2) {
return;
}
this.current_plugin = this.plugin_count;
this.target = target;
this.is_click = true;
this.coords.x_gap = this.$cache.rs.offset().left;
this.coords.x_pointer = +(x - this.coords.x_gap).toFixed();
this.force_redraw = true;
this.calc();
this.$cache.line.trigger("focus");
},
/**
* Keyborard controls for focused slider
*
* @param target {String}
* @param e {Object} event object
* @returns {boolean|undefined}
*/
key: function (target, e) {
if (this.current_plugin !== this.plugin_count || e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {
return;
}
switch (e.which) {
case 83: // W
case 65: // A
case 40: // DOWN
case 37: // LEFT
e.preventDefault();
this.moveByKey(false);
break;
case 87: // S
case 68: // D
case 38: // UP
case 39: // RIGHT
e.preventDefault();
this.moveByKey(true);
break;
}
return true;
},
/**
* Move by key
*
* @param right {boolean} direction to move
*/
moveByKey: function (right) {
var p = this.coords.p_pointer;
var p_step = (this.options.max - this.options.min) / 100;
p_step = this.options.step / p_step;
if (right) {
p += p_step;
} else {
p -= p_step;
}
this.coords.x_pointer = this.toFixed(this.coords.w_rs / 100 * p);
this.is_key = true;
this.calc();
},
/**
* Set visibility and content
* of Min and Max labels
*/
setMinMax: function () {
if (!this.options) {
return;
}
if (this.options.hide_min_max) {
this.$cache.min[0].style.display = "none";
this.$cache.max[0].style.display = "none";
return;
}
if (this.options.values.length) {
this.$cache.min.html(this.decorate(this.options.p_values[this.options.min]));
this.$cache.max.html(this.decorate(this.options.p_values[this.options.max]));
} else {
var min_pretty = this._prettify(this.options.min);
var max_pretty = this._prettify(this.options.max);
this.result.min_pretty = min_pretty;
this.result.max_pretty = max_pretty;
this.$cache.min.html(this.decorate(min_pretty, this.options.min));
this.$cache.max.html(this.decorate(max_pretty, this.options.max));
}
this.labels.w_min = this.$cache.min.outerWidth(false);
this.labels.w_max = this.$cache.max.outerWidth(false);
},
/**
* Then dragging interval, prevent interval collapsing
* using min_interval option
*/
setTempMinInterval: function () {
var interval = this.result.to - this.result.from;
if (this.old_min_interval === null) {
this.old_min_interval = this.options.min_interval;
}
this.options.min_interval = interval;
},
/**
* Restore min_interval option to original
*/
restoreOriginalMinInterval: function () {
if (this.old_min_interval !== null) {
this.options.min_interval = this.old_min_interval;
this.old_min_interval = null;
}
},
// =============================================================================================================
// Calculations
/**
* All calculations and measures start here