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ion.rangeSlider.js
// Ion.RangeSlider // version 2.3.0 Build: 381 // © Denis Ineshin, 2018 // 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 (!jQuery && typeof define === "function" && define.amd) { define(["jquery"], function (jQuery) { return factory(jQuery, document, window, navigator); }); } else if (!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 = "2.3.0"; 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 = $inp.prop("value"), config, config_from_data, prop; // default config config = { skin: "flat", type: "single", min: 10, max: 100, from: null, to: null, step: 1, min_interval: 0, max_interval: 0, drag_interval: false, values: [], p_values: [], from_fixed: false, from_min: null, from_max: null, from_shadow: false, to_fixed: false, to_min: null, to_max: null, to_shadow: false, prettify_enabled: true, prettify_separator: " ", prettify: null, force_edges: false, keyboard: true, grid: false, grid_margin: true, grid_num: 4, grid_snap: false, hide_min_max: false, hide_from_to: false, prefix: "", postfix: "", max_postfix: "", decorate_both: true, values_separator: " — ", input_values_separator: ";", disable: false, block: false, extra_classes: "", scope: null, onStart: null, onChange: null, onFinish: null, onUpdate: null }; // check if base element is input if ($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 * * @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.$cache.bar[0].style.left = 0; this.$cache.bar[0].style.width = this.coords.p_bar_w + this.coords.p_bar_x + "%"; 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) { big_num = total / o.step; } if (big_num > 50) big_num = 50; 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); }; }()); }));