// Ion.RangeSlider
// version 2.1.4 Build: 355
// © Denis Ineshin, 2016
// 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 ($) {
factory($, 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="-1"><span class="irs-line-left"></span><span class="irs-line-mid"></span><span class="irs-line-right"></span></span>' +
'<span class="irs-min">0</span><span class="irs-max">1</span>' +
'<span class="irs-from">0</span><span class="irs-to">0</span><span class="irs-single">0</span>' +
'</span>' +
'<span class="irs-grid"></span>' +
'<span class="irs-bar"></span>';
var single_html =
'<span class="irs-bar-edge"></span>' +
'<span class="irs-shadow shadow-single"></span>' +
'<span class="irs-slider single"></span>';
var double_html =
'<span class="irs-shadow shadow-from"></span>' +
'<span class="irs-shadow shadow-to"></span>' +
'<span class="irs-slider from"></span>' +
'<span class="irs-slider to"></span>';
var disable_html =
'<span class="irs-disable-mask"></span>';
// =================================================================================================================
// Core
/**
* 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 = "2.1.4";
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.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;
// 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: false,
keyboard_step: 5,
grid: false,
grid_margin: true,
grid_num: 4,
grid_snap: false,
hide_min_max: false,
hide_from_to: false,
prefix: "",
postfix: "",
max_postfix: "",
decorate_both: true,
values_separator: " — ",
input_values_separator: ";",
disable: false,
onStart: null,
onChange: null,
onFinish: null,
onUpdate: null
};
// 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"),
keyboard_step: $inp.data("keyboardStep"),
grid: $inp.data("grid"),
grid_margin: $inp.data("gridMargin"),
grid_num: $inp.data("gridNum"),
grid_snap: $inp.data("gridSnap"),
hide_min_max: $inp.data("hideMinMax"),
hide_from_to: $inp.data("hideFromTo"),
prefix: $inp.data("prefix"),
postfix: $inp.data("postfix"),
max_postfix: $inp.data("maxPostfix"),
decorate_both: $inp.data("decorateBoth"),
values_separator: $inp.data("valuesSeparator"),
input_values_separator: $inp.data("inputValuesSeparator"),
disable: $inp.data("disable")
};
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] && config_from_data[prop] !== 0) {
delete config_from_data[prop];
}
}
}
// input value extends default config
if (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
$.extend(config, config_from_data);
this.options = config;
// validate config, to be sure that all data types are correct
this.validate();
// default result object, returned to callbacks
this.result = {
input: this.$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 + '"></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.$cache.cont.removeClass("irs-disabled");
this.$cache.input[0].disabled = false;
this.bindEvents();
}
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.$cache.s_to.addClass("type_last");
}
},
/**
* Determine which handles was clicked last
* and which handler should have hover effect
*
* @param target {String}
*/
changeLevel: function (target) {
switch (target) {
case "single":
this.coords.p_gap = this.toFixed(this.coords.p_pointer - this.coords.p_single_fake);
break;
case "from":
this.coords.p_gap = this.toFixed(this.coords.p_pointer - this.coords.p_from_fake);
this.$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.$cache.cont.addClass("irs-disabled");
},
/**
* Remove slider instance
* and ubind all events
*/
remove: function () {
this.$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.$cache.line.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
if (this.options.drag_interval && this.options.type === "double") {
this.$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.$cache.body.on("mouseleave.irs_" + this.plugin_count, this.pointerUp.bind(this));
}
},
/**
* Mousemove or touchmove
* only for handlers
*
* @param e {Object} event object
*/
pointerMove: function (e) {
if (!this.dragging) {
return;
}
var x = e.pageX || e.originalEvent.touches && e.originalEvent.touches[0].pageX;
this.coords.x_pointer = x - this.coords.x_gap;
this.calc();
},
/**
* Mouseup or touchend
* only for handlers
*
* @param e {Object} event object
*/
pointerUp: function (e) {
if (this.current_plugin !== this.plugin_count) {
return;
}
if (this.is_active) {
this.is_active = false;
} else {
return;
}
this.$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.$cache.cont[0], e.target) || this.dragging) {
this.is_finish = true;
this.callOnFinish();
}
this.dragging = false;
},
/**
* Mousedown or touchstart
* only for handlers
*
* @param target {String|null}
* @param e {Object} event object
*/
pointerDown: function (target, e) {
e.preventDefault();
var x = e.pageX || e.originalEvent.touches && e.originalEvent.touches[0].pageX;
if (e.button === 2) {
return;
}
if (target === "both") {
this.setTempMinInterval();
}
if (!target) {
target = this.target;
}
this.current_plugin = this.plugin_count;
this.target = target;
this.is_active = true;
this.dragging = true;
this.coords.x_gap = this.$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. Beta
* @todo refactor than have plenty of time
*
* @param right {boolean} direction to move
*/
moveByKey: function (right) {
var p = this.coords.p_pointer;
if (right) {
p += this.options.keyboard_step;
} else {
p -= this.options.keyboard_step;
}
this.coords.x_pointer = this.toFixed(this.coords.w_rs / 100 * p);
this.is_key = true;
this.calc();
},
/**
* 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 {
this.$cache.min.html(this.decorate(this._prettify(this.options.min), this.options.min));
this.$cache.max.html(this.decorate(this._prettify(this.options.max), this.options.max));
}
this.labels.w_min = this.$cache.min.outerWidth(false);
this.labels.w_max = this.$cache.max.outerWidth(false);
},
/**
* 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 === "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 * 0.1));
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);
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.to_percent = this.coords.p_to_real;
this.result.to = this.convertToValue(this.coords.p_to_real);
if (this.options.values.length) {
this.result.from_value = this.options.values[this.result.from];
this.result.to_value = this.options.values[this.result.to];
}
}
this.calcMinMax();
this.calcLabels();
},
/**
* 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 + "%";
if (this.options.values.length) {
this.$cache.input.prop("value", this.result.from_value);
} else {
this.$cache.input.prop("value", this.result.from);
}
this.$cache.input.data("from", this.result.from);
} else {
this.$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 + "%";
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);
}
if ((this.old_from !== this.result.from || this.old_to !== this.result.to) && !this.is_start) {
this.$cache.input.trigger("change");
}
this.old_from = this.result.from;
this.old_to = this.result.to;
// callbacks call
if (!this.is_resize && !this.is_update && !this.is_start && !this.is_finish) {
this.callOnChange();
}
if (this.is_key || this.is_click) {
this.is_key = false;
this.is_click = false;
this.callOnFinish();
}
this.is_update = false;
this.is_resize = false;
this.is_finish = false;
}
this.is_start = false;
this.is_key = false;
this.is_click = false;
this.force_redraw = false;
},
/**
* Draw labels
* measure labels collisions
* collapse close labels
*/
drawLabels: function () {
if (!this.options) {
return;
}
var values_num = this.options.values.length,
p_values = this.options.p_values,
text_single,
text_from,
text_to;
if (this.options.hide_from_to) {
return;
}
if (this.options.type === "single") {
if (values_num) {
text_single = this.decorate(p_values[this.result.from]);
this.$cache.single.html(text_single);
} else {
text_single = this.decorate(this._prettify(this.result.from), 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 {
if (this.options.decorate_both) {
text_single = this.decorate(this._prettify(this.result.from), this.result.from);
text_single += this.options.values_separator;
text_single += this.decorate(this._prettify(this.result.to), this.result.to);
} else {
text_single = this.decorate(this._prettify(this.result.from) + this.options.values_separator + this._prettify(this.result.to), this.result.to);
}
text_from = this.decorate(this._prettify(this.result.from), this.result.from);
text_to = this.decorate(this._prettify(this.result.to), 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";
}
}
},
// =============================================================================================================
// Callbacks
callOnStart: function () {
if (this.options.onStart && typeof this.options.onStart === "function") {
this.options.onStart(this.result);
}
},
callOnChange: function () {
if (this.options.onChange && typeof this.options.onChange === "function") {
this.options.onChange(this.result);
}
},
callOnFinish: function () {
if (this.options.onFinish && typeof this.options.onFinish === "function") {
this.options.onFinish(this.result);
}
},
callOnUpdate: function () {
if (this.options.onUpdate && typeof this.options.onUpdate === "function") {
this.options.onUpdate(this.result);
}
},
// =============================================================================================================
// Service methods
toggleInput: function () {
this.$cache.input.toggleClass("irs-hidden-input");
},
/**
* 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(9);
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.keyboard_step === "string")
o.keyboard_step = +o.keyboard_step;
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.from)) {
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.max) {
o.from = o.min;
}
if (o.to > o.max || o.to < o.min) {
o.to = o.max;
}
if (o.from > o.to) {
o.from = o.to;
}
}
if (typeof o.step !== "number" || isNaN(o.step) || !o.step || o.step < 0) {
o.step = 1;
}
if (typeof o.keyboard_step !== "number" || isNaN(o.keyboard_step) || !o.keyboard_step || o.keyboard_step < 0) {
o.keyboard_step = 5;
}
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);
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);
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;
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;
local_small_max -= 2;
if (local_small_max < 0) {
local_small_max = 0;
}
}
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];
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.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);
};
}());
}));
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