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ion.rangeSlider.js
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// Ion.RangeSlider
// version 2.0.6 Build: 300
// © Denis Ineshin, 2015
// 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 ($, document, window, navigator, undefined) {
"use strict";
// =================================================================================================================
// Service
var plugin_count = 0;
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;
} ());
// IE8 fix
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="-1"><span class="irs-line-left"></span><span class="irs-line-mid"></span><span class="irs-line-right"></span></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>' +
'<span class="irs-bar"></span>';
var single_html =
'<span class="irs-bar-edge"></span>' +
'<span class="irs-shadow shadow-single"></span>' +
'<span class="irs-slider single"></span>';
var double_html =
'<span class="irs-shadow shadow-from"></span>' +
'<span class="irs-shadow shadow-to"></span>' +
'<span class="irs-slider from"></span>' +
'<span class="irs-slider to"></span>';
var disable_html =
'<span class="irs-disable-mask"></span>';
// =================================================================================================================
// Core
var IonRangeSlider = function (input, options, plugin_count) {
this.VERSION = "2.0.6";
this.input = input;
this.plugin_count = plugin_count;
this.current_plugin = 0;
this.calc_count = 0;
this.old_from = 0;
this.old_to = 0;
this.raf_id = null;
this.dragging = false;
this.force_redraw = false;
this.is_key = false;
this.is_update = false;
this.is_start = true;
this.is_active = false;
this.is_resize = false;
this.is_click = false;
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,
grid: null,
grid_labels: []
};
// get config data attributes
var $inp = this.$cache.input;
var data = {
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"),
keyboard_step: $inp.data("keyboardStep"),
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"),
disable: $inp.data("disable")
};
data.values = data.values && data.values.split(",");
options = $.extend(data, options);
// get from and to out of input
var val = $inp.prop("value");
if (val) {
val = val.split(";");
if (val[0] && val[0] == +val[0]) {
val[0] = +val[0];
}
if (val[1] && val[1] == +val[1]) {
val[1] = +val[1];
}
if (options.values && options.values.length) {
data.from = val[0] && options.values.indexOf(val[0]);
data.to = val[1] && options.values.indexOf(val[1]);
} else {
data.from = val[0] && +val[0];
data.to = val[1] && +val[1];
}
}
// get config from options
this.options = $.extend({
type: "single",
min: 10,
max: 100,
from: null,
to: null,
step: 1,
min_interval: 0,
max_interval: 0,
drag_interval: false,
values: [],
p_values: [],
from_fixed: false,
from_min: null,
from_max: null,
from_shadow: false,
to_fixed: false,
to_min: null,
to_max: null,
to_shadow: false,
prettify_enabled: true,
prettify_separator: " ",
prettify: null,
force_edges: false,
keyboard: false,
keyboard_step: 5,
grid: false,
grid_margin: true,
grid_num: 4,
grid_snap: false,
hide_min_max: false,
hide_from_to: false,
prefix: "",
postfix: "",
max_postfix: "",
decorate_both: true,
values_separator: " — ",
disable: false,
onStart: null,
onChange: null,
onFinish: null,
onUpdate: null
}, options);
this.validate();
this.result = {
input: this.$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.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: 0,
p_single_real: 0,
p_from: 0,
p_from_real: 0,
p_to: 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: []
};
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: 0,
p_from_left: 0,
p_to: 0,
p_to_left: 0,
p_single: 0,
p_single_left: 0
};
this.init();
};
IonRangeSlider.prototype = {
init: function (is_update) {
this.coords.p_step = this.options.step / ((this.options.max - this.options.min) / 100);
this.target = "base";
this.toggleInput();
this.append();
this.setMinMax();
if (is_update) {
this.force_redraw = true;
this.calc(true);
if (this.options.onUpdate && typeof this.options.onUpdate === "function") {
this.options.onUpdate(this.result);
}
} else {
this.force_redraw = true;
this.calc(true);
if (this.options.onStart && typeof this.options.onStart === "function") {
this.options.onStart(this.result);
}
}
this.updateScene();
this.raf_id = requestAnimationFrame(this.updateScene.bind(this));
},
append: function () {
var container_html = '<span class="irs js-irs-' + this.plugin_count + '"></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.$cache.bar = this.$cache.cont.find(".irs-bar");
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.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.$cache.s_from = this.$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");
}
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.$cache.cont.removeClass("irs-disabled");
this.$cache.input[0].disabled = false;
this.bindEvents();
}
},
appendDisableMask: function () {
this.$cache.cont.append(disable_html);
this.$cache.cont.addClass("irs-disabled");
},
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);
},
bindEvents: function () {
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"));
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.$cache.s_single.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "single"));
this.$cache.shad_single.on("touchstart.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
this.$cache.s_single.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "single"));
this.$cache.shad_single.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
} else {
this.$cache.s_from.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "from"));
this.$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.$cache.s_from.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "from"));
this.$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));
}
},
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();
},
pointerUp: function (e) {
if (this.current_plugin !== this.plugin_count) {
return;
}
if (this.is_active) {
this.is_active = false;
} else {
return;
}
var is_function = this.options.onFinish && typeof this.options.onFinish === "function",
is_original = $.contains(this.$cache.cont[0], e.target) || this.dragging;
if (is_function && is_original) {
this.options.onFinish(this.result);
}
this.$cache.cont.find(".state_hover").removeClass("state_hover");
this.force_redraw = true;
this.dragging = false;
if (is_old_ie) {
$("*").prop("unselectable", false);
}
},
pointerDown: function (target, e) {
e.preventDefault();
var x = e.pageX || e.originalEvent.touches && e.originalEvent.touches[0].pageX;
if (e.button === 2) {
return;
}
this.current_plugin = this.plugin_count;
this.target = target;
this.is_active = true;
this.dragging = true;
this.coords.x_gap = this.$cache.rs.offset().left;
this.coords.x_pointer = x - this.coords.x_gap;
this.calcPointer();
switch (target) {
case "single":
this.coords.p_gap = this.toFixed(this.coords.p_pointer - this.coords.p_single);
break;
case "from":
this.coords.p_gap = this.toFixed(this.coords.p_pointer - this.coords.p_from);
this.$cache.s_from.addClass("state_hover");
this.$cache.s_from.addClass("type_last");
this.$cache.s_to.removeClass("type_last");
break;
case "to":
this.coords.p_gap = this.toFixed(this.coords.p_pointer - this.coords.p_to);
this.$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);
this.coords.p_gap_right = this.toFixed(this.coords.p_to - this.coords.p_pointer);
this.$cache.s_to.removeClass("type_last");
this.$cache.s_from.removeClass("type_last");
break;
}
if (is_old_ie) {
$("*").prop("unselectable", true);
}
this.$cache.line.trigger("focus");
},
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");
},
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 beta
// TODO: refactor than have plenty of time
moveByKey: function (right) {
var p = this.coords.p_pointer;
if (right) {
p += this.options.keyboard_step;
} else {
p -= this.options.keyboard_step;
}
this.coords.x_pointer = this.toFixed(this.coords.w_rs / 100 * p);
this.is_key = true;
this.calc();
},
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 {
this.$cache.min.html(this.decorate(this._prettify(this.options.min), this.options.min));
this.$cache.max.html(this.decorate(this._prettify(this.options.max), this.options.max));
}
this.labels.w_min = this.$cache.min.outerWidth(false);
this.labels.w_max = this.$cache.max.outerWidth(false);
},
// =============================================================================================================
// Calculations
calc: function (update) {
if (!this.options) {
return;
}
this.calc_count++;
if (this.calc_count === 10 || update) {
this.calc_count = 0;
this.coords.w_rs = this.$cache.rs.outerWidth(false);
if (this.options.type === "single") {
this.coords.w_handle = this.$cache.s_single.outerWidth(false);
} else {
this.coords.w_handle = this.$cache.s_from.outerWidth(false);
}
}
if (!this.coords.w_rs) {
return;
}
this.calcPointer();
this.coords.p_handle = this.toFixed(this.coords.w_handle / this.coords.w_rs * 100);
var real_width = 100 - this.coords.p_handle,
real_x = this.toFixed(this.coords.p_pointer - this.coords.p_gap);
if (this.target === "click") {
real_x = this.toFixed(this.coords.p_pointer - (this.coords.p_handle / 2));
this.target = this.chooseHandle(real_x);
}
if (real_x < 0) {
real_x = 0;
} else if (real_x > real_width) {
real_x = real_width;
}
switch (this.target) {
case "base":
var w = (this.options.max - this.options.min) / 100,
f = (this.result.from - this.options.min) / w,
t = (this.result.to - this.options.min) / w;
this.coords.p_single_real = this.toFixed(f);
this.coords.p_from_real = this.toFixed(f);
this.coords.p_to_real = this.toFixed(t);
this.coords.p_single_real = this.checkDiapason(this.coords.p_single_real, this.options.from_min, this.options.from_max);
this.coords.p_from_real = this.checkDiapason(this.coords.p_from_real, this.options.from_min, this.options.from_max);
this.coords.p_to_real = this.checkDiapason(this.coords.p_to_real, this.options.to_min, this.options.to_max);
this.coords.p_single = this.toFixed(f - (this.coords.p_handle / 100 * f));
this.coords.p_from = this.toFixed(f - (this.coords.p_handle / 100 * f));
this.coords.p_to = this.toFixed(t - (this.coords.p_handle / 100 * t));
this.target = null;
break;
case "single":
if (this.options.from_fixed) {
break;
}
this.coords.p_single_real = this.calcWithStep(real_x / real_width * 100);
this.coords.p_single_real = this.checkDiapason(this.coords.p_single_real, this.options.from_min, this.options.from_max);
this.coords.p_single = this.toFixed(this.coords.p_single_real / 100 * real_width);
break;
case "from":
if (this.options.from_fixed) {
break;
}
this.coords.p_from_real = this.calcWithStep(real_x / real_width * 100);
if (this.coords.p_from_real > this.coords.p_to_real) {
this.coords.p_from_real = this.coords.p_to_real;
}
this.coords.p_from_real = this.checkDiapason(this.coords.p_from_real, this.options.from_min, this.options.from_max);
this.coords.p_from_real = this.checkMinInterval(this.coords.p_from_real, this.coords.p_to_real, "from");
this.coords.p_from_real = this.checkMaxInterval(this.coords.p_from_real, this.coords.p_to_real, "from");
this.coords.p_from = this.toFixed(this.coords.p_from_real / 100 * real_width);
break;
case "to":
if (this.options.to_fixed) {
break;
}
this.coords.p_to_real = this.calcWithStep(real_x / real_width * 100);
if (this.coords.p_to_real < this.coords.p_from_real) {
this.coords.p_to_real = this.coords.p_from_real;
}
this.coords.p_to_real = this.checkDiapason(this.coords.p_to_real, this.options.to_min, this.options.to_max);
this.coords.p_to_real = this.checkMinInterval(this.coords.p_to_real, this.coords.p_from_real, "to");
this.coords.p_to_real = this.checkMaxInterval(this.coords.p_to_real, this.coords.p_from_real, "to");
this.coords.p_to = this.toFixed(this.coords.p_to_real / 100 * real_width);
break;
case "both":
real_x = this.toFixed(real_x + (this.coords.p_handle * 0.1));
this.coords.p_from_real = this.calcWithStep((real_x - this.coords.p_gap_left) / real_width * 100);
this.coords.p_from_real = this.checkDiapason(this.coords.p_from_real, this.options.from_min, this.options.from_max);
this.coords.p_from_real = this.checkMinInterval(this.coords.p_from_real, this.coords.p_to_real, "from");
this.coords.p_from = this.toFixed(this.coords.p_from_real / 100 * real_width);
this.coords.p_to_real = this.calcWithStep((real_x + this.coords.p_gap_right) / real_width * 100);
this.coords.p_to_real = this.checkDiapason(this.coords.p_to_real, this.options.to_min, this.options.to_max);
this.coords.p_to_real = this.checkMinInterval(this.coords.p_to_real, this.coords.p_from_real, "to");
this.coords.p_to = this.toFixed(this.coords.p_to_real / 100 * real_width);
break;
}
if (this.options.type === "single") {
this.coords.p_bar_x = (this.coords.p_handle / 2);
this.coords.p_bar_w = this.coords.p_single;
this.result.from_percent = this.coords.p_single_real;
this.result.from = this.calcReal(this.coords.p_single_real);
if (this.options.values.length) {
this.result.from_value = this.options.values[this.result.from];
}
} else {
this.coords.p_bar_x = this.toFixed(this.coords.p_from + (this.coords.p_handle / 2));
this.coords.p_bar_w = this.toFixed(this.coords.p_to - this.coords.p_from);
this.result.from_percent = this.coords.p_from_real;
this.result.from = this.calcReal(this.coords.p_from_real);
this.result.to_percent = this.coords.p_to_real;
this.result.to = this.calcReal(this.coords.p_to_real);
if (this.options.values.length) {
this.result.from_value = this.options.values[this.result.from];
this.result.to_value = this.options.values[this.result.to];
}
}
this.calcMinMax();
this.calcLabels();
},
calcPointer: function () {
if (!this.coords.w_rs) {
this.coords.p_pointer = 0;
return;
}
if (this.coords.x_pointer < 0 || isNaN(this.coords.x_pointer) ) {
this.coords.x_pointer = 0;
} else if (this.coords.x_pointer > this.coords.w_rs) {
this.coords.x_pointer = this.coords.w_rs;
}
this.coords.p_pointer = this.toFixed(this.coords.x_pointer / this.coords.w_rs * 100);
},
chooseHandle: function (real_x) {
if (this.options.type === "single") {
return "single";
} else {
var m_point = this.coords.p_from_real + ((this.coords.p_to_real - this.coords.p_from_real) / 2);
if (real_x >= m_point) {
return "to";
} else {
return "from";
}
}
},
calcMinMax: function () {
if (!this.coords.w_rs) {
return;
}
this.labels.p_min = this.labels.w_min / this.coords.w_rs * 100;
this.labels.p_max = this.labels.w_max / this.coords.w_rs * 100;
},
calcLabels: function () {
if (!this.coords.w_rs || this.options.hide_from_to) {
return;
}
if (this.options.type === "single") {
this.labels.w_single = this.$cache.single.outerWidth(false);
this.labels.p_single = this.labels.w_single / this.coords.w_rs * 100;
this.labels.p_single_left = this.coords.p_single + (this.coords.p_handle / 2) - (this.labels.p_single / 2);
this.labels.p_single_left = this.checkEdges(this.labels.p_single_left, this.labels.p_single);
} else {
this.labels.w_from = this.$cache.from.outerWidth(false);
this.labels.p_from = this.labels.w_from / this.coords.w_rs * 100;
this.labels.p_from_left = this.coords.p_from + (this.coords.p_handle / 2) - (this.labels.p_from / 2);
this.labels.p_from_left = this.toFixed(this.labels.p_from_left);
this.labels.p_from_left = this.checkEdges(this.labels.p_from_left, this.labels.p_from);
this.labels.w_to = this.$cache.to.outerWidth(false);
this.labels.p_to = this.labels.w_to / this.coords.w_rs * 100;
this.labels.p_to_left = this.coords.p_to + (this.coords.p_handle / 2) - (this.labels.p_to / 2);
this.labels.p_to_left = this.toFixed(this.labels.p_to_left);
this.labels.p_to_left = this.checkEdges(this.labels.p_to_left, this.labels.p_to);
this.labels.w_single = this.$cache.single.outerWidth(false);
this.labels.p_single = this.labels.w_single / this.coords.w_rs * 100;
this.labels.p_single_left = ((this.labels.p_from_left + this.labels.p_to_left + this.labels.p_to) / 2) - (this.labels.p_single / 2);
this.labels.p_single_left = this.toFixed(this.labels.p_single_left);
this.labels.p_single_left = this.checkEdges(this.labels.p_single_left, this.labels.p_single);
}
},
// =============================================================================================================
// Drawings
updateScene: function () {
if (!this.options) {
return;
}
this.drawHandles();
this.raf_id = requestAnimationFrame(this.updateScene.bind(this));
},
drawHandles: function () {
this.coords.w_rs = this.$cache.rs.outerWidth(false);
if (!this.coords.w_rs) {
return;
}
if (this.coords.w_rs !== this.coords.w_rs_old) {
this.target = "base";
this.is_resize = true;
}
if (this.coords.w_rs !== this.coords.w_rs_old || this.force_redraw) {
this.setMinMax();
this.calc(true);
this.drawLabels();
if (this.options.grid) {
this.calcGridMargin();
this.calcGridLabels();
}
this.force_redraw = true;
this.coords.w_rs_old = this.coords.w_rs;
this.drawShadow();
}
if (!this.coords.w_rs) {
return;
}
if (!this.dragging && !this.force_redraw && !this.is_key) {
return;
}
if (this.old_from !== this.result.from || this.old_to !== this.result.to || this.force_redraw || this.is_key) {
this.drawLabels();
this.$cache.bar[0].style.left = this.coords.p_bar_x + "%";
this.$cache.bar[0].style.width = this.coords.p_bar_w + "%";
if (this.options.type === "single") {
this.$cache.s_single[0].style.left = this.coords.p_single + "%";
this.$cache.single[0].style.left = this.labels.p_single_left + "%";