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+// Ion.RangeSlider
+// version 2.2.0 Build: 380
+// © Denis Ineshin, 2017
+// 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 define === "function" && define.amd) {
+ define(["jquery"], function (jQuery) {
+ return factory(jQuery, document, window, navigator);
+ });
+ } else if (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 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
+
+ /**
+ * 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 = "2.2.0";
+ 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 = $inp.prop("value"),
+ config, config_from_data, prop;
+
+ // default config
+ config = {
+ type: "single",
+
+ min: 10,
+ max: 100,
+ from: null,
+ to: null,
+ step: 1,
+
+ min_interval: 0,
+ max_interval: 0,
+ drag_interval: false,
+
+ values: [],
+ p_values: [],
+
+ from_fixed: false,
+ from_min: null,
+ from_max: null,
+ from_shadow: false,
+
+ to_fixed: false,
+ to_min: null,
+ to_max: null,
+ to_shadow: false,
+
+ prettify_enabled: true,
+ prettify_separator: " ",
+ prettify: null,
+
+ force_edges: false,
+
+ keyboard: true,
+
+ grid: false,
+ grid_margin: true,
+ grid_num: 4,
+ grid_snap: false,
+
+ hide_min_max: false,
+ hide_from_to: false,
+
+ prefix: "",
+ postfix: "",
+ max_postfix: "",
+ decorate_both: true,
+ values_separator: " — ",
+
+ input_values_separator: ";",
+
+ disable: false,
+ block: false,
+
+ extra_classes: "",
+
+ scope: null,
+ onStart: null,
+ onChange: null,
+ onFinish: null,
+ onUpdate: null
+ };
+
+
+ // check if base element is input
+ if ($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 = {
+ 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 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.$cache.bar = this.$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.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.$cache.s_from = this.$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
+ *
+ * @param update {boolean=}
+ */
+ 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);
+
+ this.calcHandlePercent();
+ }
+
+ if (!this.coords.w_rs) {
+ return;
+ }
+
+ this.calcPointerPercent();
+ var handle_x = this.getHandleX();
+
+
+ if (this.target === "both") {
+ this.coords.p_gap = 0;
+ handle_x = this.getHandleX();
+ }
+
+ if (this.target === "click") {
+ this.coords.p_gap = this.coords.p_handle / 2;
+ handle_x = this.getHandleX();
+
+ if (this.options.drag_interval) {
+ this.target = "both_one";
+ } else {
+ this.target = this.chooseHandle(handle_x);
+ }
+ }
+
+ 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_fake = this.convertToFakePercent(this.coords.p_single_real);
+ this.coords.p_from_fake = this.convertToFakePercent(this.coords.p_from_real);
+ this.coords.p_to_fake = this.convertToFakePercent(this.coords.p_to_real);
+
+ this.target = null;
+
+ break;
+
+ case "single":
+ if (this.options.from_fixed) {
+ break;
+ }
+
+ this.coords.p_single_real = this.convertToRealPercent(handle_x);
+ this.coords.p_single_real = this.calcWithStep(this.coords.p_single_real);
+ this.coords.p_single_real = this.checkDiapason(this.coords.p_single_real, this.options.from_min, this.options.from_max);
+
+ this.coords.p_single_fake = this.convertToFakePercent(this.coords.p_single_real);
+
+ break;
+
+ case "from":
+ if (this.options.from_fixed) {
+ break;
+ }
+
+ this.coords.p_from_real = this.convertToRealPercent(handle_x);
+ this.coords.p_from_real = this.calcWithStep(this.coords.p_from_real);
+ 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_fake = this.convertToFakePercent(this.coords.p_from_real);
+
+ break;
+
+ case "to":
+ if (this.options.to_fixed) {
+ break;
+ }
+
+ this.coords.p_to_real = this.convertToRealPercent(handle_x);
+ this.coords.p_to_real = this.calcWithStep(this.coords.p_to_real);
+ 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_fake = this.convertToFakePercent(this.coords.p_to_real);
+
+ break;
+
+ case "both":
+ if (this.options.from_fixed || this.options.to_fixed) {
+ break;
+ }
+
+ handle_x = this.toFixed(handle_x + (this.coords.p_handle * 0.001));
+
+ this.coords.p_from_real = this.convertToRealPercent(handle_x) - this.coords.p_gap_left;
+ this.coords.p_from_real = this.calcWithStep(this.coords.p_from_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_fake = this.convertToFakePercent(this.coords.p_from_real);
+
+ this.coords.p_to_real = this.convertToRealPercent(handle_x) + this.coords.p_gap_right;
+ this.coords.p_to_real = this.calcWithStep(this.coords.p_to_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_fake = this.convertToFakePercent(this.coords.p_to_real);
+
+ break;
+
+ case "both_one":
+ if (this.options.from_fixed || this.options.to_fixed) {
+ break;
+ }
+
+ var real_x = this.convertToRealPercent(handle_x),
+ from = this.result.from_percent,
+ to = this.result.to_percent,
+ full = to - from,
+ half = full / 2,
+ new_from = real_x - half,
+ new_to = real_x + half;
+
+ if (new_from < 0) {
+ new_from = 0;
+ new_to = new_from + full;
+ }
+
+ if (new_to > 100) {
+ new_to = 100;
+ new_from = new_to - full;
+ }
+
+ this.coords.p_from_real = this.calcWithStep(new_from);
+ this.coords.p_from_real = this.checkDiapason(this.coords.p_from_real, this.options.from_min, this.options.from_max);
+ this.coords.p_from_fake = this.convertToFakePercent(this.coords.p_from_real);
+
+ this.coords.p_to_real = this.calcWithStep(new_to);
+ this.coords.p_to_real = this.checkDiapason(this.coords.p_to_real, this.options.to_min, this.options.to_max);
+ this.coords.p_to_fake = this.convertToFakePercent(this.coords.p_to_real);
+
+ 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_fake;
+
+ this.result.from_percent = this.coords.p_single_real;
+ this.result.from = this.convertToValue(this.coords.p_single_real);
+ this.result.from_pretty = this._prettify(this.result.from);
+
+ 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_fake + (this.coords.p_handle / 2));
+ this.coords.p_bar_w = this.toFixed(this.coords.p_to_fake - this.coords.p_from_fake);
+
+ this.result.from_percent = this.coords.p_from_real;
+ this.result.from = this.convertToValue(this.coords.p_from_real);
+ this.result.from_pretty = this._prettify(this.result.from);
+ this.result.to_percent = this.coords.p_to_real;
+ this.result.to = this.convertToValue(this.coords.p_to_real);
+ this.result.to_pretty = this._prettify(this.result.to);
+
+ 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();
+ },
+
+
+ /**
+ * calculates pointer X in percent
+ */
+ calcPointerPercent: 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);
+ },
+
+ convertToRealPercent: function (fake) {
+ var full = 100 - this.coords.p_handle;
+ return fake / full * 100;
+ },
+
+ convertToFakePercent: function (real) {
+ var full = 100 - this.coords.p_handle;
+ return real / 100 * full;
+ },
+
+ getHandleX: function () {
+ var max = 100 - this.coords.p_handle,
+ x = this.toFixed(this.coords.p_pointer - this.coords.p_gap);
+
+ if (x < 0) {
+ x = 0;
+ } else if (x > max) {
+ x = max;
+ }
+
+ return x;
+ },
+
+ calcHandlePercent: function () {
+ if (this.options.type === "single") {
+ this.coords.w_handle = this.$cache.s_single.outerWidth(false);
+ } else {
+ this.coords.w_handle = this.$cache.s_from.outerWidth(false);
+ }
+
+ this.coords.p_handle = this.toFixed(this.coords.w_handle / this.coords.w_rs * 100);
+ },
+
+ /**
+ * Find closest handle to pointer click
+ *
+ * @param real_x {Number}
+ * @returns {String}
+ */
+ chooseHandle: function (real_x) {
+ if (this.options.type === "single") {
+ return "single";
+ } else {
+ var m_point = this.coords.p_from_real + ((this.coords.p_to_real - this.coords.p_from_real) / 2);
+ if (real_x >= m_point) {
+ return this.options.to_fixed ? "from" : "to";
+ } else {
+ return this.options.from_fixed ? "to" : "from";
+ }
+ }
+ },
+
+ /**
+ * Measure Min and Max labels width in percent
+ */
+ calcMinMax: function () {
+ if (!this.coords.w_rs) {
+ return;
+ }
+
+ this.labels.p_min = this.labels.w_min / this.coords.w_rs * 100;
+ this.labels.p_max = this.labels.w_max / this.coords.w_rs * 100;
+ },
+
+ /**
+ * Measure labels width and X in percent
+ */
+ calcLabels: function () {
+ if (!this.coords.w_rs || this.options.hide_from_to) {
+ return;
+ }
+
+ if (this.options.type === "single") {
+
+ this.labels.w_single = this.$cache.single.outerWidth(false);
+ this.labels.p_single_fake = this.labels.w_single / this.coords.w_rs * 100;
+ this.labels.p_single_left = this.coords.p_single_fake + (this.coords.p_handle / 2) - (this.labels.p_single_fake / 2);
+ this.labels.p_single_left = this.checkEdges(this.labels.p_single_left, this.labels.p_single_fake);
+
+ } else {
+
+ this.labels.w_from = this.$cache.from.outerWidth(false);
+ this.labels.p_from_fake = this.labels.w_from / this.coords.w_rs * 100;
+ this.labels.p_from_left = this.coords.p_from_fake + (this.coords.p_handle / 2) - (this.labels.p_from_fake / 2);
+ this.labels.p_from_left = this.toFixed(this.labels.p_from_left);
+ this.labels.p_from_left = this.checkEdges(this.labels.p_from_left, this.labels.p_from_fake);
+
+ this.labels.w_to = this.$cache.to.outerWidth(false);
+ this.labels.p_to_fake = this.labels.w_to / this.coords.w_rs * 100;
+ this.labels.p_to_left = this.coords.p_to_fake + (this.coords.p_handle / 2) - (this.labels.p_to_fake / 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_fake);
+
+ this.labels.w_single = this.$cache.single.outerWidth(false);
+ this.labels.p_single_fake = this.labels.w_single / this.coords.w_rs * 100;
+ this.labels.p_single_left = ((this.labels.p_from_left + this.labels.p_to_left + this.labels.p_to_fake) / 2) - (this.labels.p_single_fake / 2);
+ this.labels.p_single_left = this.toFixed(this.labels.p_single_left);
+ this.labels.p_single_left = this.checkEdges(this.labels.p_single_left, this.labels.p_single_fake);
+
+ }
+ },
+
+
+
+ // =============================================================================================================
+ // Drawings
+
+ /**
+ * Main function called in request animation frame
+ * to update everything
+ */
+ updateScene: function () {
+ if (this.raf_id) {
+ cancelAnimationFrame(this.raf_id);
+ this.raf_id = null;
+ }
+
+ clearTimeout(this.update_tm);
+ this.update_tm = null;
+
+ if (!this.options) {
+ return;
+ }
+
+ this.drawHandles();
+
+ if (this.is_active) {
+ this.raf_id = requestAnimationFrame(this.updateScene.bind(this));
+ } else {
+ this.update_tm = setTimeout(this.updateScene.bind(this), 300);
+ }
+ },
+
+ /**
+ * Draw handles
+ */
+ drawHandles: function () {
+ this.coords.w_rs = this.$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.$cache.s_single[0].style.left = this.coords.p_single_fake + "%";
+
+ this.$cache.single[0].style.left = this.labels.p_single_left + "%";
+ } else {
+ this.$cache.s_from[0].style.left = this.coords.p_from_fake + "%";
+ this.$cache.s_to[0].style.left = this.coords.p_to_fake + "%";
+
+ if (this.old_from !== this.result.from || this.force_redraw) {
+ this.$cache.from[0].style.left = this.labels.p_from_left + "%";
+ }
+ if (this.old_to !== this.result.to || this.force_redraw) {
+ this.$cache.to[0].style.left = this.labels.p_to_left + "%";
+ }
+
+ this.$cache.single[0].style.left = this.labels.p_single_left + "%";
+ }
+
+ this.writeToInput();
+
+ if ((this.old_from !== this.result.from || this.old_to !== this.result.to) && !this.is_start) {
+ this.$cache.input.trigger("change");
+ this.$cache.input.trigger("input");
+ }
+
+ this.old_from = this.result.from;
+ this.old_to = this.result.to;
+
+ // callbacks call
+ if (!this.is_resize && !this.is_update && !this.is_start && !this.is_finish) {
+ this.callOnChange();
+ }
+ if (this.is_key || this.is_click) {
+ this.is_key = false;
+ this.is_click = false;
+ this.callOnFinish();
+ }
+
+ this.is_update = false;
+ this.is_resize = false;
+ this.is_finish = false;
+ }
+
+ this.is_start = false;
+ this.is_key = false;
+ this.is_click = false;
+ this.force_redraw = false;
+ },
+
+ /**
+ * Draw labels
+ * measure labels collisions
+ * collapse close labels
+ */
+ drawLabels: function () {
+ if (!this.options) {
+ return;
+ }
+
+ var values_num = this.options.values.length;
+ var p_values = this.options.p_values;
+ var text_single;
+ var text_from;
+ var text_to;
+ var from_pretty;
+ var to_pretty;
+
+ if (this.options.hide_from_to) {
+ return;
+ }
+
+ if (this.options.type === "single") {
+
+ if (values_num) {
+ text_single = this.decorate(p_values[this.result.from]);
+ this.$cache.single.html(text_single);
+ } else {
+ from_pretty = this._prettify(this.result.from);
+
+ text_single = this.decorate(from_pretty, this.result.from);
+ this.$cache.single.html(text_single);
+ }
+
+ this.calcLabels();
+
+ if (this.labels.p_single_left < this.labels.p_min + 1) {
+ this.$cache.min[0].style.visibility = "hidden";
+ } else {
+ this.$cache.min[0].style.visibility = "visible";
+ }
+
+ if (this.labels.p_single_left + this.labels.p_single_fake > 100 - this.labels.p_max - 1) {
+ this.$cache.max[0].style.visibility = "hidden";
+ } else {
+ this.$cache.max[0].style.visibility = "visible";
+ }
+
+ } else {
+
+ if (values_num) {
+
+ if (this.options.decorate_both) {
+ text_single = this.decorate(p_values[this.result.from]);
+ text_single += this.options.values_separator;
+ text_single += this.decorate(p_values[this.result.to]);
+ } else {
+ text_single = this.decorate(p_values[this.result.from] + this.options.values_separator + p_values[this.result.to]);
+ }
+ text_from = this.decorate(p_values[this.result.from]);
+ text_to = this.decorate(p_values[this.result.to]);
+
+ this.$cache.single.html(text_single);
+ this.$cache.from.html(text_from);
+ this.$cache.to.html(text_to);
+
+ } else {
+ from_pretty = this._prettify(this.result.from);
+ to_pretty = this._prettify(this.result.to);
+
+ if (this.options.decorate_both) {
+ text_single = this.decorate(from_pretty, this.result.from);
+ text_single += this.options.values_separator;
+ text_single += this.decorate(to_pretty, this.result.to);
+ } else {
+ text_single = this.decorate(from_pretty + this.options.values_separator + to_pretty, this.result.to);
+ }
+ text_from = this.decorate(from_pretty, this.result.from);
+ text_to = this.decorate(to_pretty, this.result.to);
+
+ this.$cache.single.html(text_single);
+ this.$cache.from.html(text_from);
+ this.$cache.to.html(text_to);
+
+ }
+
+ this.calcLabels();
+
+ var min = Math.min(this.labels.p_single_left, this.labels.p_from_left),
+ single_left = this.labels.p_single_left + this.labels.p_single_fake,
+ to_left = this.labels.p_to_left + this.labels.p_to_fake,
+ max = Math.max(single_left, to_left);
+
+ if (this.labels.p_from_left + this.labels.p_from_fake >= this.labels.p_to_left) {
+ this.$cache.from[0].style.visibility = "hidden";
+ this.$cache.to[0].style.visibility = "hidden";
+ this.$cache.single[0].style.visibility = "visible";
+
+ if (this.result.from === this.result.to) {
+ if (this.target === "from") {
+ this.$cache.from[0].style.visibility = "visible";
+ } else if (this.target === "to") {
+ this.$cache.to[0].style.visibility = "visible";
+ } else if (!this.target) {
+ this.$cache.from[0].style.visibility = "visible";
+ }
+ this.$cache.single[0].style.visibility = "hidden";
+ max = to_left;
+ } else {
+ this.$cache.from[0].style.visibility = "hidden";
+ this.$cache.to[0].style.visibility = "hidden";
+ this.$cache.single[0].style.visibility = "visible";
+ max = Math.max(single_left, to_left);
+ }
+ } else {
+ this.$cache.from[0].style.visibility = "visible";
+ this.$cache.to[0].style.visibility = "visible";
+ this.$cache.single[0].style.visibility = "hidden";
+ }
+
+ if (min < this.labels.p_min + 1) {
+ this.$cache.min[0].style.visibility = "hidden";
+ } else {
+ this.$cache.min[0].style.visibility = "visible";
+ }
+
+ if (max > 100 - this.labels.p_max - 1) {
+ this.$cache.max[0].style.visibility = "hidden";
+ } else {
+ this.$cache.max[0].style.visibility = "visible";
+ }
+
+ }
+ },
+
+ /**
+ * Draw shadow intervals
+ */
+ drawShadow: function () {
+ var o = this.options,
+ c = this.$cache,
+
+ is_from_min = typeof o.from_min === "number" && !isNaN(o.from_min),
+ is_from_max = typeof o.from_max === "number" && !isNaN(o.from_max),
+ is_to_min = typeof o.to_min === "number" && !isNaN(o.to_min),
+ is_to_max = typeof o.to_max === "number" && !isNaN(o.to_max),
+
+ from_min,
+ from_max,
+ to_min,
+ to_max;
+
+ if (o.type === "single") {
+ if (o.from_shadow && (is_from_min || is_from_max)) {
+ from_min = this.convertToPercent(is_from_min ? o.from_min : o.min);
+ from_max = this.convertToPercent(is_from_max ? o.from_max : o.max) - from_min;
+ from_min = this.toFixed(from_min - (this.coords.p_handle / 100 * from_min));
+ from_max = this.toFixed(from_max - (this.coords.p_handle / 100 * from_max));
+ from_min = from_min + (this.coords.p_handle / 2);
+
+ c.shad_single[0].style.display = "block";
+ c.shad_single[0].style.left = from_min + "%";
+ c.shad_single[0].style.width = from_max + "%";
+ } else {
+ c.shad_single[0].style.display = "none";
+ }
+ } else {
+ if (o.from_shadow && (is_from_min || is_from_max)) {
+ from_min = this.convertToPercent(is_from_min ? o.from_min : o.min);
+ from_max = this.convertToPercent(is_from_max ? o.from_max : o.max) - from_min;
+ from_min = this.toFixed(from_min - (this.coords.p_handle / 100 * from_min));
+ from_max = this.toFixed(from_max - (this.coords.p_handle / 100 * from_max));
+ from_min = from_min + (this.coords.p_handle / 2);
+
+ c.shad_from[0].style.display = "block";
+ c.shad_from[0].style.left = from_min + "%";
+ c.shad_from[0].style.width = from_max + "%";
+ } else {
+ c.shad_from[0].style.display = "none";
+ }
+
+ if (o.to_shadow && (is_to_min || is_to_max)) {
+ to_min = this.convertToPercent(is_to_min ? o.to_min : o.min);
+ to_max = this.convertToPercent(is_to_max ? o.to_max : o.max) - to_min;
+ to_min = this.toFixed(to_min - (this.coords.p_handle / 100 * to_min));
+ to_max = this.toFixed(to_max - (this.coords.p_handle / 100 * to_max));
+ to_min = to_min + (this.coords.p_handle / 2);
+
+ c.shad_to[0].style.display = "block";
+ c.shad_to[0].style.left = to_min + "%";
+ c.shad_to[0].style.width = to_max + "%";
+ } else {
+ c.shad_to[0].style.display = "none";
+ }
+ }
+ },
+
+
+
+ /**
+ * Write values to input element
+ */
+ writeToInput: function () {
+ if (this.options.type === "single") {
+ if (this.options.values.length) {
+ this.$cache.input.prop("value", this.result.from_value);
+ } else {
+ this.$cache.input.prop("value", this.result.from);
+ }
+ this.$cache.input.data("from", this.result.from);
+ } else {
+ if (this.options.values.length) {
+ this.$cache.input.prop("value", this.result.from_value + this.options.input_values_separator + this.result.to_value);
+ } else {
+ this.$cache.input.prop("value", this.result.from + this.options.input_values_separator + this.result.to);
+ }
+ this.$cache.input.data("from", this.result.from);
+ this.$cache.input.data("to", this.result.to);
+ }
+ },
+
+
+
+ // =============================================================================================================
+ // Callbacks
+
+ callOnStart: function () {
+ this.writeToInput();
+
+ if (this.options.onStart && typeof this.options.onStart === "function") {
+ if (this.options.scope) {
+ this.options.onStart.call(this.options.scope, this.result);
+ } else {
+ this.options.onStart(this.result);
+ }
+ }
+ },
+ callOnChange: function () {
+ this.writeToInput();
+
+ if (this.options.onChange && typeof this.options.onChange === "function") {
+ if (this.options.scope) {
+ this.options.onChange.call(this.options.scope, this.result);
+ } else {
+ this.options.onChange(this.result);
+ }
+ }
+ },
+ callOnFinish: function () {
+ this.writeToInput();
+
+ if (this.options.onFinish && typeof this.options.onFinish === "function") {
+ if (this.options.scope) {
+ this.options.onFinish.call(this.options.scope, this.result);
+ } else {
+ this.options.onFinish(this.result);
+ }
+ }
+ },
+ callOnUpdate: function () {
+ this.writeToInput();
+
+ if (this.options.onUpdate && typeof this.options.onUpdate === "function") {
+ if (this.options.scope) {
+ this.options.onUpdate.call(this.options.scope, this.result);
+ } else {
+ this.options.onUpdate(this.result);
+ }
+ }
+ },
+
+
+
+
+ // =============================================================================================================
+ // Service methods
+
+ toggleInput: function () {
+ this.$cache.input.toggleClass("irs-hidden-input");
+
+ if (this.has_tab_index) {
+ this.$cache.input.prop("tabindex", -1);
+ } else {
+ this.$cache.input.removeProp("tabindex");
+ }
+
+ this.has_tab_index = !this.has_tab_index;
+ },
+
+ /**
+ * Convert real value to percent
+ *
+ * @param value {Number} X in real
+ * @param no_min {boolean=} don't use min value
+ * @returns {Number} X in percent
+ */
+ convertToPercent: function (value, no_min) {
+ var diapason = this.options.max - this.options.min,
+ one_percent = diapason / 100,
+ val, percent;
+
+ if (!diapason) {
+ this.no_diapason = true;
+ return 0;
+ }
+
+ if (no_min) {
+ val = value;
+ } else {
+ val = value - this.options.min;
+ }
+
+ percent = val / one_percent;
+
+ return this.toFixed(percent);
+ },
+
+ /**
+ * Convert percent to real values
+ *
+ * @param percent {Number} X in percent
+ * @returns {Number} X in real
+ */
+ convertToValue: function (percent) {
+ var min = this.options.min,
+ max = this.options.max,
+ min_decimals = min.toString().split(".")[1],
+ max_decimals = max.toString().split(".")[1],
+ min_length, max_length,
+ avg_decimals = 0,
+ abs = 0;
+
+ if (percent === 0) {
+ return this.options.min;
+ }
+ if (percent === 100) {
+ return this.options.max;
+ }
+
+
+ if (min_decimals) {
+ min_length = min_decimals.length;
+ avg_decimals = min_length;
+ }
+ if (max_decimals) {
+ max_length = max_decimals.length;
+ avg_decimals = max_length;
+ }
+ if (min_length && max_length) {
+ avg_decimals = (min_length >= max_length) ? min_length : max_length;
+ }
+
+ if (min < 0) {
+ abs = Math.abs(min);
+ min = +(min + abs).toFixed(avg_decimals);
+ max = +(max + abs).toFixed(avg_decimals);
+ }
+
+ var number = ((max - min) / 100 * percent) + min,
+ string = this.options.step.toString().split(".")[1],
+ result;
+
+ if (string) {
+ number = +number.toFixed(string.length);
+ } else {
+ number = number / this.options.step;
+ number = number * this.options.step;
+
+ number = +number.toFixed(0);
+ }
+
+ if (abs) {
+ number -= abs;
+ }
+
+ if (string) {
+ result = +number.toFixed(string.length);
+ } else {
+ result = this.toFixed(number);
+ }
+
+ if (result < this.options.min) {
+ result = this.options.min;
+ } else if (result > this.options.max) {
+ result = this.options.max;
+ }
+
+ return result;
+ },
+
+ /**
+ * Round percent value with step
+ *
+ * @param percent {Number}
+ * @returns percent {Number} rounded
+ */
+ calcWithStep: function (percent) {
+ var rounded = Math.round(percent / this.coords.p_step) * this.coords.p_step;
+
+ if (rounded > 100) {
+ rounded = 100;
+ }
+ if (percent === 100) {
+ rounded = 100;
+ }
+
+ return this.toFixed(rounded);
+ },
+
+ checkMinInterval: function (p_current, p_next, type) {
+ var o = this.options,
+ current,
+ next;
+
+ if (!o.min_interval) {
+ return p_current;
+ }
+
+ current = this.convertToValue(p_current);
+ next = this.convertToValue(p_next);
+
+ if (type === "from") {
+
+ if (next - current < o.min_interval) {
+ current = next - o.min_interval;
+ }
+
+ } else {
+
+ if (current - next < o.min_interval) {
+ current = next + o.min_interval;
+ }
+
+ }
+
+ return this.convertToPercent(current);
+ },
+
+ checkMaxInterval: function (p_current, p_next, type) {
+ var o = this.options,
+ current,
+ next;
+
+ if (!o.max_interval) {
+ return p_current;
+ }
+
+ current = this.convertToValue(p_current);
+ next = this.convertToValue(p_next);
+
+ if (type === "from") {
+
+ if (next - current > o.max_interval) {
+ current = next - o.max_interval;
+ }
+
+ } else {
+
+ if (current - next > o.max_interval) {
+ current = next + o.max_interval;
+ }
+
+ }
+
+ return this.convertToPercent(current);
+ },
+
+ checkDiapason: function (p_num, min, max) {
+ var num = this.convertToValue(p_num),
+ o = this.options;
+
+ if (typeof min !== "number") {
+ min = o.min;
+ }
+
+ if (typeof max !== "number") {
+ max = o.max;
+ }
+
+ if (num < min) {
+ num = min;
+ }
+
+ if (num > max) {
+ num = max;
+ }
+
+ return this.convertToPercent(num);
+ },
+
+ toFixed: function (num) {
+ num = num.toFixed(20);
+ return +num;
+ },
+
+ _prettify: function (num) {
+ if (!this.options.prettify_enabled) {
+ return num;
+ }
+
+ if (this.options.prettify && typeof this.options.prettify === "function") {
+ return this.options.prettify(num);
+ } else {
+ return this.prettify(num);
+ }
+ },
+
+ prettify: function (num) {
+ var n = num.toString();
+ return n.replace(/(\d{1,3}(?=(?:\d\d\d)+(?!\d)))/g, "$1" + this.options.prettify_separator);
+ },
+
+ checkEdges: function (left, width) {
+ if (!this.options.force_edges) {
+ return this.toFixed(left);
+ }
+
+ if (left < 0) {
+ left = 0;
+ } else if (left > 100 - width) {
+ left = 100 - width;
+ }
+
+ return this.toFixed(left);
+ },
+
+ validate: function () {
+ var o = this.options,
+ r = this.result,
+ v = o.values,
+ vl = v.length,
+ value,
+ i;
+
+ if (typeof o.min === "string") o.min = +o.min;
+ if (typeof o.max === "string") o.max = +o.max;
+ if (typeof o.from === "string") o.from = +o.from;
+ if (typeof o.to === "string") o.to = +o.to;
+ if (typeof o.step === "string") o.step = +o.step;
+
+ if (typeof o.from_min === "string") o.from_min = +o.from_min;
+ if (typeof o.from_max === "string") o.from_max = +o.from_max;
+ if (typeof o.to_min === "string") o.to_min = +o.to_min;
+ if (typeof o.to_max === "string") o.to_max = +o.to_max;
+
+ if (typeof o.grid_num === "string") o.grid_num = +o.grid_num;
+
+ if (o.max < o.min) {
+ o.max = o.min;
+ }
+
+ if (vl) {
+ o.p_values = [];
+ o.min = 0;
+ o.max = vl - 1;
+ o.step = 1;
+ o.grid_num = o.max;
+ o.grid_snap = true;
+
+ for (i = 0; i < vl; i++) {
+ value = +v[i];
+
+ if (!isNaN(value)) {
+ v[i] = value;
+ value = this._prettify(value);
+ } else {
+ value = v[i];
+ }
+
+ o.p_values.push(value);
+ }
+ }
+
+ if (typeof o.from !== "number" || isNaN(o.from)) {
+ o.from = o.min;
+ }
+
+ if (typeof o.to !== "number" || isNaN(o.to)) {
+ o.to = o.max;
+ }
+
+ if (o.type === "single") {
+
+ if (o.from < o.min) o.from = o.min;
+ if (o.from > o.max) o.from = o.max;
+
+ } else {
+
+ if (o.from < o.min) o.from = o.min;
+ if (o.from > o.max) o.from = o.max;
+
+ if (o.to < o.min) o.to = o.min;
+ if (o.to > o.max) o.to = o.max;
+
+ if (this.update_check.from) {
+
+ if (this.update_check.from !== o.from) {
+ if (o.from > o.to) o.from = o.to;
+ }
+ if (this.update_check.to !== o.to) {
+ if (o.to < o.from) o.to = o.from;
+ }
+
+ }
+
+ if (o.from > o.to) o.from = o.to;
+ if (o.to < o.from) o.to = o.from;
+
+ }
+
+ if (typeof o.step !== "number" || isNaN(o.step) || !o.step || o.step < 0) {
+ o.step = 1;
+ }
+
+ if (typeof o.from_min === "number" && o.from < o.from_min) {
+ o.from = o.from_min;
+ }
+
+ if (typeof o.from_max === "number" && o.from > o.from_max) {
+ o.from = o.from_max;
+ }
+
+ if (typeof o.to_min === "number" && o.to < o.to_min) {
+ o.to = o.to_min;
+ }
+
+ if (typeof o.to_max === "number" && o.from > o.to_max) {
+ o.to = o.to_max;
+ }
+
+ if (r) {
+ if (r.min !== o.min) {
+ r.min = o.min;
+ }
+
+ if (r.max !== o.max) {
+ r.max = o.max;
+ }
+
+ if (r.from < r.min || r.from > r.max) {
+ r.from = o.from;
+ }
+
+ if (r.to < r.min || r.to > r.max) {
+ r.to = o.to;
+ }
+ }
+
+ if (typeof o.min_interval !== "number" || isNaN(o.min_interval) || !o.min_interval || o.min_interval < 0) {
+ o.min_interval = 0;
+ }
+
+ if (typeof o.max_interval !== "number" || isNaN(o.max_interval) || !o.max_interval || o.max_interval < 0) {
+ o.max_interval = 0;
+ }
+
+ if (o.min_interval && o.min_interval > o.max - o.min) {
+ o.min_interval = o.max - o.min;
+ }
+
+ if (o.max_interval && o.max_interval > o.max - o.min) {
+ o.max_interval = o.max - o.min;
+ }
+ },
+
+ decorate: function (num, original) {
+ var decorated = "",
+ o = this.options;
+
+ if (o.prefix) {
+ decorated += o.prefix;
+ }
+
+ decorated += num;
+
+ if (o.max_postfix) {
+ if (o.values.length && num === o.p_values[o.max]) {
+ decorated += o.max_postfix;
+ if (o.postfix) {
+ decorated += " ";
+ }
+ } else if (original === o.max) {
+ decorated += o.max_postfix;
+ if (o.postfix) {
+ decorated += " ";
+ }
+ }
+ }
+
+ if (o.postfix) {
+ decorated += o.postfix;
+ }
+
+ return decorated;
+ },
+
+ updateFrom: function () {
+ this.result.from = this.options.from;
+ this.result.from_percent = this.convertToPercent(this.result.from);
+ this.result.from_pretty = this._prettify(this.result.from);
+ if (this.options.values) {
+ this.result.from_value = this.options.values[this.result.from];
+ }
+ },
+
+ updateTo: function () {
+ this.result.to = this.options.to;
+ this.result.to_percent = this.convertToPercent(this.result.to);
+ this.result.to_pretty = this._prettify(this.result.to);
+ if (this.options.values) {
+ this.result.to_value = this.options.values[this.result.to];
+ }
+ },
+
+ updateResult: function () {
+ this.result.min = this.options.min;
+ this.result.max = this.options.max;
+ this.updateFrom();
+ this.updateTo();
+ },
+
+
+ // =============================================================================================================
+ // Grid
+
+ appendGrid: function () {
+ if (!this.options.grid) {
+ return;
+ }
+
+ var o = this.options,
+ i, z,
+
+ total = o.max - o.min,
+ big_num = o.grid_num,
+ big_p = 0,
+ big_w = 0,
+
+ small_max = 4,
+ local_small_max,
+ small_p,
+ small_w = 0,
+
+ result,
+ html = '';
+
+
+
+ this.calcGridMargin();
+
+ if (o.grid_snap) {
+
+ if (total > 50) {
+ big_num = 50 / o.step;
+ big_p = this.toFixed(o.step / 0.5);
+ } else {
+ big_num = total / o.step;
+ big_p = this.toFixed(o.step / (total / 100));
+ }
+
+ } else {
+ big_p = this.toFixed(100 / big_num);
+ }
+
+ if (big_num > 4) {
+ small_max = 3;
+ }
+ if (big_num > 7) {
+ small_max = 2;
+ }
+ if (big_num > 14) {
+ small_max = 1;
+ }
+ if (big_num > 28) {
+ small_max = 0;
+ }
+
+ for (i = 0; i < big_num + 1; i++) {
+ local_small_max = small_max;
+
+ big_w = this.toFixed(big_p * i);
+
+ if (big_w > 100) {
+ big_w = 100;
+ }
+ this.coords.big[i] = big_w;
+
+ small_p = (big_w - (big_p * (i - 1))) / (local_small_max + 1);
+
+ for (z = 1; z <= local_small_max; z++) {
+ if (big_w === 0) {
+ break;
+ }
+
+ small_w = this.toFixed(big_w - (small_p * z));
+
+ html += '<span class="irs-grid-pol small" style="left: ' + small_w + '%"></span>';
+ }
+
+ html += '<span class="irs-grid-pol" style="left: ' + big_w + '%"></span>';
+
+ result = this.convertToValue(big_w);
+ if (o.values.length) {
+ result = o.p_values[result];
+ } else {
+ result = this._prettify(result);
+ }
+
+ html += '<span class="irs-grid-text js-grid-text-' + i + '" style="left: ' + big_w + '%">' + result + '</span>';
+ }
+ this.coords.big_num = Math.ceil(big_num + 1);
+
+
+
+ this.$cache.cont.addClass("irs-with-grid");
+ this.$cache.grid.html(html);
+ this.cacheGridLabels();
+ },
+
+ cacheGridLabels: function () {
+ var $label, i,
+ num = this.coords.big_num;
+
+ for (i = 0; i < num; i++) {
+ $label = this.$cache.grid.find(".js-grid-text-" + i);
+ this.$cache.grid_labels.push($label);
+ }
+
+ this.calcGridLabels();
+ },
+
+ calcGridLabels: function () {
+ var i, label, start = [], finish = [],
+ num = this.coords.big_num;
+
+ for (i = 0; i < num; i++) {
+ this.coords.big_w[i] = this.$cache.grid_labels[i].outerWidth(false);
+ this.coords.big_p[i] = this.toFixed(this.coords.big_w[i] / this.coords.w_rs * 100);
+ this.coords.big_x[i] = this.toFixed(this.coords.big_p[i] / 2);
+
+ start[i] = this.toFixed(this.coords.big[i] - this.coords.big_x[i]);
+ finish[i] = this.toFixed(start[i] + this.coords.big_p[i]);
+ }
+
+ if (this.options.force_edges) {
+ if (start[0] < -this.coords.grid_gap) {
+ start[0] = -this.coords.grid_gap;
+ finish[0] = this.toFixed(start[0] + this.coords.big_p[0]);
+
+ this.coords.big_x[0] = this.coords.grid_gap;
+ }
+
+ if (finish[num - 1] > 100 + this.coords.grid_gap) {
+ finish[num - 1] = 100 + this.coords.grid_gap;
+ start[num - 1] = this.toFixed(finish[num - 1] - this.coords.big_p[num - 1]);
+
+ this.coords.big_x[num - 1] = this.toFixed(this.coords.big_p[num - 1] - this.coords.grid_gap);
+ }
+ }
+
+ this.calcGridCollision(2, start, finish);
+ this.calcGridCollision(4, start, finish);
+
+ for (i = 0; i < num; i++) {
+ label = this.$cache.grid_labels[i][0];
+
+ if (this.coords.big_x[i] !== Number.POSITIVE_INFINITY) {
+ label.style.marginLeft = -this.coords.big_x[i] + "%";
+ }
+ }
+ },
+
+ // Collisions Calc Beta
+ // TODO: Refactor then have plenty of time
+ calcGridCollision: function (step, start, finish) {
+ var i, next_i, label,
+ num = this.coords.big_num;
+
+ for (i = 0; i < num; i += step) {
+ next_i = i + (step / 2);
+ if (next_i >= num) {
+ break;
+ }
+
+ label = this.$cache.grid_labels[next_i][0];
+
+ if (finish[i] <= start[next_i]) {
+ label.style.visibility = "visible";
+ } else {
+ label.style.visibility = "hidden";
+ }
+ }
+ },
+
+ calcGridMargin: function () {
+ if (!this.options.grid_margin) {
+ return;
+ }
+
+ this.coords.w_rs = this.$cache.rs.outerWidth(false);
+ if (!this.coords.w_rs) {
+ return;
+ }
+
+ 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);
+ }
+ this.coords.p_handle = this.toFixed(this.coords.w_handle / this.coords.w_rs * 100);
+ this.coords.grid_gap = this.toFixed((this.coords.p_handle / 2) - 0.1);
+
+ this.$cache.grid[0].style.width = this.toFixed(100 - this.coords.p_handle) + "%";
+ this.$cache.grid[0].style.left = this.coords.grid_gap + "%";
+ },
+
+
+
+ // =============================================================================================================
+ // Public methods
+
+ update: function (options) {
+ if (!this.input) {
+ return;
+ }
+
+ this.is_update = true;
+
+ this.options.from = this.result.from;
+ this.options.to = this.result.to;
+ this.update_check.from = this.result.from;
+ this.update_check.to = this.result.to;
+
+ this.options = $.extend(this.options, options);
+ this.validate();
+ this.updateResult(options);
+
+ this.toggleInput();
+ this.remove();
+ this.init(true);
+ },
+
+ reset: function () {
+ if (!this.input) {
+ return;
+ }
+
+ this.updateResult();
+ this.update();
+ },
+
+ destroy: function () {
+ if (!this.input) {
+ return;
+ }
+
+ this.toggleInput();
+ this.$cache.input.prop("readonly", false);
+ $.data(this.input, "ionRangeSlider", null);
+
+ this.remove();
+ this.input = null;
+ this.options = null;
+ }
+ };
+
+ $.fn.ionRangeSlider = function (options) {
+ return this.each(function() {
+ if (!$.data(this, "ionRangeSlider")) {
+ $.data(this, "ionRangeSlider", new IonRangeSlider(this, options, plugin_count++));
+ }
+ });
+ };
+
+
+
+ // =================================================================================================================
+ // http://paulirish.com/2011/requestanimationframe-for-smart-animating/
+ // http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
+
+ // requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel
+
+ // MIT license
+
+ (function() {
+ var lastTime = 0;
+ var vendors = ['ms', 'moz', 'webkit', 'o'];
+ for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+ window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
+ window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame']
+ || window[vendors[x]+'CancelRequestAnimationFrame'];
+ }
+
+ if (!window.requestAnimationFrame)
+ window.requestAnimationFrame = function(callback, element) {
+ var currTime = new Date().getTime();
+ var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+ var id = window.setTimeout(function() { callback(currTime + timeToCall); },
+ timeToCall);
+ lastTime = currTime + timeToCall;
+ return id;
+ };
+
+ if (!window.cancelAnimationFrame)
+ window.cancelAnimationFrame = function(id) {
+ clearTimeout(id);
+ };
+ }());
+
+}));