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2458 lines
93 KiB
2458 lines
93 KiB
1 year ago
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/*
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== malihu jquery custom scrollbar plugin ==
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Version: 3.1.5
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Plugin URI: http://manos.malihu.gr/jquery-custom-content-scroller
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Author: malihu
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Author URI: http://manos.malihu.gr
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License: MIT License (MIT)
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*/
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/*
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Copyright Manos Malihutsakis (email: manos@malihu.gr)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/*
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The code below is fairly long, fully commented and should be normally used in development.
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For production, use either the minified jquery.mCustomScrollbar.min.js script or
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the production-ready jquery.mCustomScrollbar.concat.min.js which contains the plugin
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and dependencies (minified).
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*/
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(function(factory){
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if(typeof define==="function" && define.amd){
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define(["jquery"],factory);
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}else if(typeof module!=="undefined" && module.exports){
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module.exports=factory;
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}else{
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factory(jQuery,window,document);
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}
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}(function($){
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(function(init){
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var _rjs=typeof define==="function" && define.amd, /* RequireJS */
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_njs=typeof module !== "undefined" && module.exports, /* NodeJS */
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_dlp=("https:"==document.location.protocol) ? "https:" : "http:", /* location protocol */
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_url="cdnjs.cloudflare.com/ajax/libs/jquery-mousewheel/3.1.13/jquery.mousewheel.min.js";
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if(!_rjs){
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if(_njs){
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require("jquery-mousewheel")($);
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}else{
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/* load jquery-mousewheel plugin (via CDN) if it's not present or not loaded via RequireJS
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(works when mCustomScrollbar fn is called on window load) */
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$.event.special.mousewheel || $("head").append(decodeURI("%3Cscript src="+_dlp+"//"+_url+"%3E%3C/script%3E"));
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}
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}
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init();
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}(function(){
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/*
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----------------------------------------
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PLUGIN NAMESPACE, PREFIX, DEFAULT SELECTOR(S)
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----------------------------------------
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*/
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var pluginNS="mCustomScrollbar",
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pluginPfx="mCS",
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defaultSelector=".mCustomScrollbar",
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/*
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----------------------------------------
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DEFAULT OPTIONS
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----------------------------------------
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*/
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defaults={
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/*
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set element/content width/height programmatically
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values: boolean, pixels, percentage
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option default
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-------------------------------------
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setWidth false
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setHeight false
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*/
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/*
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set the initial css top property of content
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values: string (e.g. "-100px", "10%" etc.)
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*/
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setTop:0,
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/*
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set the initial css left property of content
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values: string (e.g. "-100px", "10%" etc.)
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*/
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setLeft:0,
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/*
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scrollbar axis (vertical and/or horizontal scrollbars)
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values (string): "y", "x", "yx"
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*/
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axis:"y",
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/*
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position of scrollbar relative to content
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values (string): "inside", "outside" ("outside" requires elements with position:relative)
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*/
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scrollbarPosition:"inside",
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/*
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scrolling inertia
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values: integer (milliseconds)
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*/
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scrollInertia:950,
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/*
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auto-adjust scrollbar dragger length
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values: boolean
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*/
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autoDraggerLength:true,
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/*
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auto-hide scrollbar when idle
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values: boolean
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option default
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-------------------------------------
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autoHideScrollbar false
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*/
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/*
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auto-expands scrollbar on mouse-over and dragging
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values: boolean
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option default
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-------------------------------------
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autoExpandScrollbar false
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*/
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/*
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always show scrollbar, even when there's nothing to scroll
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values: integer (0=disable, 1=always show dragger rail and buttons, 2=always show dragger rail, dragger and buttons), boolean
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*/
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alwaysShowScrollbar:0,
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/*
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scrolling always snaps to a multiple of this number in pixels
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values: integer, array ([y,x])
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option default
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-------------------------------------
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snapAmount null
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*/
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/*
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when snapping, snap with this number in pixels as an offset
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values: integer
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*/
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snapOffset:0,
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/*
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mouse-wheel scrolling
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*/
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mouseWheel:{
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/*
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enable mouse-wheel scrolling
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values: boolean
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*/
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enable:true,
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/*
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scrolling amount in pixels
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values: "auto", integer
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*/
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scrollAmount:"auto",
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/*
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mouse-wheel scrolling axis
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the default scrolling direction when both vertical and horizontal scrollbars are present
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values (string): "y", "x"
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*/
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axis:"y",
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/*
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prevent the default behaviour which automatically scrolls the parent element(s) when end of scrolling is reached
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values: boolean
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option default
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-------------------------------------
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preventDefault null
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*/
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/*
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the reported mouse-wheel delta value. The number of lines (translated to pixels) one wheel notch scrolls.
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values: "auto", integer
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"auto" uses the default OS/browser value
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*/
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deltaFactor:"auto",
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/*
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normalize mouse-wheel delta to -1 or 1 (disables mouse-wheel acceleration)
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values: boolean
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option default
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-------------------------------------
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normalizeDelta null
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*/
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/*
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invert mouse-wheel scrolling direction
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values: boolean
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option default
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-------------------------------------
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invert null
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*/
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/*
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the tags that disable mouse-wheel when cursor is over them
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*/
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disableOver:["select","option","keygen","datalist","textarea"]
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},
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/*
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scrollbar buttons
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*/
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scrollButtons:{
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/*
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enable scrollbar buttons
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values: boolean
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option default
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-------------------------------------
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enable null
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*/
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/*
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scrollbar buttons scrolling type
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values (string): "stepless", "stepped"
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*/
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scrollType:"stepless",
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/*
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scrolling amount in pixels
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values: "auto", integer
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*/
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scrollAmount:"auto"
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/*
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tabindex of the scrollbar buttons
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values: false, integer
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option default
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-------------------------------------
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tabindex null
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*/
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},
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/*
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keyboard scrolling
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*/
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keyboard:{
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/*
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enable scrolling via keyboard
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values: boolean
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*/
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enable:true,
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/*
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keyboard scrolling type
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values (string): "stepless", "stepped"
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*/
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scrollType:"stepless",
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/*
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scrolling amount in pixels
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values: "auto", integer
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*/
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scrollAmount:"auto"
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},
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|
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/*
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||
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enable content touch-swipe scrolling
|
||
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values: boolean, integer, string (number)
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integer values define the axis-specific minimum amount required for scrolling momentum
|
||
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*/
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||
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contentTouchScroll:25,
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||
|
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/*
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||
|
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enable/disable document (default) touch-swipe scrolling
|
||
|
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*/
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||
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documentTouchScroll:true,
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||
|
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/*
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||
|
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advanced option parameters
|
||
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*/
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||
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advanced:{
|
||
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/*
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||
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auto-expand content horizontally (for "x" or "yx" axis)
|
||
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values: boolean, integer (the value 2 forces the non scrollHeight/scrollWidth method, the value 3 forces the scrollHeight/scrollWidth method)
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||
|
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option default
|
||
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|
-------------------------------------
|
||
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autoExpandHorizontalScroll null
|
||
|
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*/
|
||
|
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/*
|
||
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auto-scroll to elements with focus
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||
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*/
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||
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autoScrollOnFocus:"input,textarea,select,button,datalist,keygen,a[tabindex],area,object,[contenteditable='true']",
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||
|
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/*
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||
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auto-update scrollbars on content, element or viewport resize
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||
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should be true for fluid layouts/elements, adding/removing content dynamically, hiding/showing elements, content with images etc.
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||
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values: boolean
|
||
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*/
|
||
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updateOnContentResize:true,
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||
|
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/*
|
||
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auto-update scrollbars each time each image inside the element is fully loaded
|
||
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values: "auto", boolean
|
||
|
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*/
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||
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updateOnImageLoad:"auto",
|
||
|
|
/*
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||
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auto-update scrollbars based on the amount and size changes of specific selectors
|
||
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useful when you need to update the scrollbar(s) automatically, each time a type of element is added, removed or changes its size
|
||
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values: boolean, string (e.g. "ul li" will auto-update scrollbars each time list-items inside the element are changed)
|
||
|
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a value of true (boolean) will auto-update scrollbars each time any element is changed
|
||
|
|
option default
|
||
|
|
-------------------------------------
|
||
|
|
updateOnSelectorChange null
|
||
|
|
*/
|
||
|
|
/*
|
||
|
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extra selectors that'll allow scrollbar dragging upon mousemove/up, pointermove/up, touchend etc. (e.g. "selector-1, selector-2")
|
||
|
|
option default
|
||
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|
-------------------------------------
|
||
|
|
extraDraggableSelectors null
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
extra selectors that'll release scrollbar dragging upon mouseup, pointerup, touchend etc. (e.g. "selector-1, selector-2")
|
||
|
|
option default
|
||
|
|
-------------------------------------
|
||
|
|
releaseDraggableSelectors null
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
auto-update timeout
|
||
|
|
values: integer (milliseconds)
|
||
|
|
*/
|
||
|
|
autoUpdateTimeout:60
|
||
|
|
},
|
||
|
|
/*
|
||
|
|
scrollbar theme
|
||
|
|
values: string (see CSS/plugin URI for a list of ready-to-use themes)
|
||
|
|
*/
|
||
|
|
theme:"light",
|
||
|
|
/*
|
||
|
|
user defined callback functions
|
||
|
|
*/
|
||
|
|
callbacks:{
|
||
|
|
/*
|
||
|
|
Available callbacks:
|
||
|
|
callback default
|
||
|
|
-------------------------------------
|
||
|
|
onCreate null
|
||
|
|
onInit null
|
||
|
|
onScrollStart null
|
||
|
|
onScroll null
|
||
|
|
onTotalScroll null
|
||
|
|
onTotalScrollBack null
|
||
|
|
whileScrolling null
|
||
|
|
onOverflowY null
|
||
|
|
onOverflowX null
|
||
|
|
onOverflowYNone null
|
||
|
|
onOverflowXNone null
|
||
|
|
onImageLoad null
|
||
|
|
onSelectorChange null
|
||
|
|
onBeforeUpdate null
|
||
|
|
onUpdate null
|
||
|
|
*/
|
||
|
|
onTotalScrollOffset:0,
|
||
|
|
onTotalScrollBackOffset:0,
|
||
|
|
alwaysTriggerOffsets:true
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
add scrollbar(s) on all elements matching the current selector, now and in the future
|
||
|
|
values: boolean, string
|
||
|
|
string values: "on" (enable), "once" (disable after first invocation), "off" (disable)
|
||
|
|
liveSelector values: string (selector)
|
||
|
|
option default
|
||
|
|
-------------------------------------
|
||
|
|
live false
|
||
|
|
liveSelector null
|
||
|
|
*/
|
||
|
|
},
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
----------------------------------------
|
||
|
|
VARS, CONSTANTS
|
||
|
|
----------------------------------------
|
||
|
|
*/
|
||
|
|
|
||
|
|
totalInstances=0, /* plugin instances amount */
|
||
|
|
liveTimers={}, /* live option timers */
|
||
|
|
oldIE=(window.attachEvent && !window.addEventListener) ? 1 : 0, /* detect IE < 9 */
|
||
|
|
touchActive=false,touchable, /* global touch vars (for touch and pointer events) */
|
||
|
|
/* general plugin classes */
|
||
|
|
classes=[
|
||
|
|
"mCSB_dragger_onDrag","mCSB_scrollTools_onDrag","mCS_img_loaded","mCS_disabled","mCS_destroyed","mCS_no_scrollbar",
|
||
|
|
"mCS-autoHide","mCS-dir-rtl","mCS_no_scrollbar_y","mCS_no_scrollbar_x","mCS_y_hidden","mCS_x_hidden","mCSB_draggerContainer",
|
||
|
|
"mCSB_buttonUp","mCSB_buttonDown","mCSB_buttonLeft","mCSB_buttonRight"
|
||
|
|
],
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
----------------------------------------
|
||
|
|
METHODS
|
||
|
|
----------------------------------------
|
||
|
|
*/
|
||
|
|
|
||
|
|
methods={
|
||
|
|
|
||
|
|
/*
|
||
|
|
plugin initialization method
|
||
|
|
creates the scrollbar(s), plugin data object and options
|
||
|
|
----------------------------------------
|
||
|
|
*/
|
||
|
|
|
||
|
|
init:function(options){
|
||
|
|
|
||
|
|
var options=$.extend(true,{},defaults,options),
|
||
|
|
selector=_selector.call(this); /* validate selector */
|
||
|
|
|
||
|
|
/*
|
||
|
|
if live option is enabled, monitor for elements matching the current selector and
|
||
|
|
apply scrollbar(s) when found (now and in the future)
|
||
|
|
*/
|
||
|
|
if(options.live){
|
||
|
|
var liveSelector=options.liveSelector || this.selector || defaultSelector, /* live selector(s) */
|
||
|
|
$liveSelector=$(liveSelector); /* live selector(s) as jquery object */
|
||
|
|
if(options.live==="off"){
|
||
|
|
/*
|
||
|
|
disable live if requested
|
||
|
|
usage: $(selector).mCustomScrollbar({live:"off"});
|
||
|
|
*/
|
||
|
|
removeLiveTimers(liveSelector);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
liveTimers[liveSelector]=setTimeout(function(){
|
||
|
|
/* call mCustomScrollbar fn on live selector(s) every half-second */
|
||
|
|
$liveSelector.mCustomScrollbar(options);
|
||
|
|
if(options.live==="once" && $liveSelector.length){
|
||
|
|
/* disable live after first invocation */
|
||
|
|
removeLiveTimers(liveSelector);
|
||
|
|
}
|
||
|
|
},500);
|
||
|
|
}else{
|
||
|
|
removeLiveTimers(liveSelector);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* options backward compatibility (for versions < 3.0.0) and normalization */
|
||
|
|
options.setWidth=(options.set_width) ? options.set_width : options.setWidth;
|
||
|
|
options.setHeight=(options.set_height) ? options.set_height : options.setHeight;
|
||
|
|
options.axis=(options.horizontalScroll) ? "x" : _findAxis(options.axis);
|
||
|
|
options.scrollInertia=options.scrollInertia>0 && options.scrollInertia<17 ? 17 : options.scrollInertia;
|
||
|
|
if(typeof options.mouseWheel!=="object" && options.mouseWheel==true){ /* old school mouseWheel option (non-object) */
|
||
|
|
options.mouseWheel={enable:true,scrollAmount:"auto",axis:"y",preventDefault:false,deltaFactor:"auto",normalizeDelta:false,invert:false}
|
||
|
|
}
|
||
|
|
options.mouseWheel.scrollAmount=!options.mouseWheelPixels ? options.mouseWheel.scrollAmount : options.mouseWheelPixels;
|
||
|
|
options.mouseWheel.normalizeDelta=!options.advanced.normalizeMouseWheelDelta ? options.mouseWheel.normalizeDelta : options.advanced.normalizeMouseWheelDelta;
|
||
|
|
options.scrollButtons.scrollType=_findScrollButtonsType(options.scrollButtons.scrollType);
|
||
|
|
|
||
|
|
_theme(options); /* theme-specific options */
|
||
|
|
|
||
|
|
/* plugin constructor */
|
||
|
|
return $(selector).each(function(){
|
||
|
|
|
||
|
|
var $this=$(this);
|
||
|
|
|
||
|
|
if(!$this.data(pluginPfx)){ /* prevent multiple instantiations */
|
||
|
|
|
||
|
|
/* store options and create objects in jquery data */
|
||
|
|
$this.data(pluginPfx,{
|
||
|
|
idx:++totalInstances, /* instance index */
|
||
|
|
opt:options, /* options */
|
||
|
|
scrollRatio:{y:null,x:null}, /* scrollbar to content ratio */
|
||
|
|
overflowed:null, /* overflowed axis */
|
||
|
|
contentReset:{y:null,x:null}, /* object to check when content resets */
|
||
|
|
bindEvents:false, /* object to check if events are bound */
|
||
|
|
tweenRunning:false, /* object to check if tween is running */
|
||
|
|
sequential:{}, /* sequential scrolling object */
|
||
|
|
langDir:$this.css("direction"), /* detect/store direction (ltr or rtl) */
|
||
|
|
cbOffsets:null, /* object to check whether callback offsets always trigger */
|
||
|
|
/*
|
||
|
|
object to check how scrolling events where last triggered
|
||
|
|
"internal" (default - triggered by this script), "external" (triggered by other scripts, e.g. via scrollTo method)
|
||
|
|
usage: object.data("mCS").trigger
|
||
|
|
*/
|
||
|
|
trigger:null,
|
||
|
|
/*
|
||
|
|
object to check for changes in elements in order to call the update method automatically
|
||
|
|
*/
|
||
|
|
poll:{size:{o:0,n:0},img:{o:0,n:0},change:{o:0,n:0}}
|
||
|
|
});
|
||
|
|
|
||
|
|
var d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
/* HTML data attributes */
|
||
|
|
htmlDataAxis=$this.data("mcs-axis"),htmlDataSbPos=$this.data("mcs-scrollbar-position"),htmlDataTheme=$this.data("mcs-theme");
|
||
|
|
|
||
|
|
if(htmlDataAxis){o.axis=htmlDataAxis;} /* usage example: data-mcs-axis="y" */
|
||
|
|
if(htmlDataSbPos){o.scrollbarPosition=htmlDataSbPos;} /* usage example: data-mcs-scrollbar-position="outside" */
|
||
|
|
if(htmlDataTheme){ /* usage example: data-mcs-theme="minimal" */
|
||
|
|
o.theme=htmlDataTheme;
|
||
|
|
_theme(o); /* theme-specific options */
|
||
|
|
}
|
||
|
|
|
||
|
|
_pluginMarkup.call(this); /* add plugin markup */
|
||
|
|
|
||
|
|
if(d && o.callbacks.onCreate && typeof o.callbacks.onCreate==="function"){o.callbacks.onCreate.call(this);} /* callbacks: onCreate */
|
||
|
|
|
||
|
|
$("#mCSB_"+d.idx+"_container img:not(."+classes[2]+")").addClass(classes[2]); /* flag loaded images */
|
||
|
|
|
||
|
|
methods.update.call(null,$this); /* call the update method */
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
},
|
||
|
|
/* ---------------------------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
plugin update method
|
||
|
|
updates content and scrollbar(s) values, events and status
|
||
|
|
----------------------------------------
|
||
|
|
usage: $(selector).mCustomScrollbar("update");
|
||
|
|
*/
|
||
|
|
|
||
|
|
update:function(el,cb){
|
||
|
|
|
||
|
|
var selector=el || _selector.call(this); /* validate selector */
|
||
|
|
|
||
|
|
return $(selector).each(function(){
|
||
|
|
|
||
|
|
var $this=$(this);
|
||
|
|
|
||
|
|
if($this.data(pluginPfx)){ /* check if plugin has initialized */
|
||
|
|
|
||
|
|
var d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")];
|
||
|
|
|
||
|
|
if(!mCSB_container.length){return;}
|
||
|
|
|
||
|
|
if(d.tweenRunning){_stop($this);} /* stop any running tweens while updating */
|
||
|
|
|
||
|
|
if(cb && d && o.callbacks.onBeforeUpdate && typeof o.callbacks.onBeforeUpdate==="function"){o.callbacks.onBeforeUpdate.call(this);} /* callbacks: onBeforeUpdate */
|
||
|
|
|
||
|
|
/* if element was disabled or destroyed, remove class(es) */
|
||
|
|
if($this.hasClass(classes[3])){$this.removeClass(classes[3]);}
|
||
|
|
if($this.hasClass(classes[4])){$this.removeClass(classes[4]);}
|
||
|
|
|
||
|
|
/* css flexbox fix, detect/set max-height */
|
||
|
|
mCustomScrollBox.css("max-height","none");
|
||
|
|
if(mCustomScrollBox.height()!==$this.height()){mCustomScrollBox.css("max-height",$this.height());}
|
||
|
|
|
||
|
|
_expandContentHorizontally.call(this); /* expand content horizontally */
|
||
|
|
|
||
|
|
if(o.axis!=="y" && !o.advanced.autoExpandHorizontalScroll){
|
||
|
|
mCSB_container.css("width",_contentWidth(mCSB_container));
|
||
|
|
}
|
||
|
|
|
||
|
|
d.overflowed=_overflowed.call(this); /* determine if scrolling is required */
|
||
|
|
|
||
|
|
_scrollbarVisibility.call(this); /* show/hide scrollbar(s) */
|
||
|
|
|
||
|
|
/* auto-adjust scrollbar dragger length analogous to content */
|
||
|
|
if(o.autoDraggerLength){_setDraggerLength.call(this);}
|
||
|
|
|
||
|
|
_scrollRatio.call(this); /* calculate and store scrollbar to content ratio */
|
||
|
|
|
||
|
|
_bindEvents.call(this); /* bind scrollbar events */
|
||
|
|
|
||
|
|
/* reset scrolling position and/or events */
|
||
|
|
var to=[Math.abs(mCSB_container[0].offsetTop),Math.abs(mCSB_container[0].offsetLeft)];
|
||
|
|
if(o.axis!=="x"){ /* y/yx axis */
|
||
|
|
if(!d.overflowed[0]){ /* y scrolling is not required */
|
||
|
|
_resetContentPosition.call(this); /* reset content position */
|
||
|
|
if(o.axis==="y"){
|
||
|
|
_unbindEvents.call(this);
|
||
|
|
}else if(o.axis==="yx" && d.overflowed[1]){
|
||
|
|
_scrollTo($this,to[1].toString(),{dir:"x",dur:0,overwrite:"none"});
|
||
|
|
}
|
||
|
|
}else if(mCSB_dragger[0].height()>mCSB_dragger[0].parent().height()){
|
||
|
|
_resetContentPosition.call(this); /* reset content position */
|
||
|
|
}else{ /* y scrolling is required */
|
||
|
|
_scrollTo($this,to[0].toString(),{dir:"y",dur:0,overwrite:"none"});
|
||
|
|
d.contentReset.y=null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(o.axis!=="y"){ /* x/yx axis */
|
||
|
|
if(!d.overflowed[1]){ /* x scrolling is not required */
|
||
|
|
_resetContentPosition.call(this); /* reset content position */
|
||
|
|
if(o.axis==="x"){
|
||
|
|
_unbindEvents.call(this);
|
||
|
|
}else if(o.axis==="yx" && d.overflowed[0]){
|
||
|
|
_scrollTo($this,to[0].toString(),{dir:"y",dur:0,overwrite:"none"});
|
||
|
|
}
|
||
|
|
}else if(mCSB_dragger[1].width()>mCSB_dragger[1].parent().width()){
|
||
|
|
_resetContentPosition.call(this); /* reset content position */
|
||
|
|
}else{ /* x scrolling is required */
|
||
|
|
_scrollTo($this,to[1].toString(),{dir:"x",dur:0,overwrite:"none"});
|
||
|
|
d.contentReset.x=null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* callbacks: onImageLoad, onSelectorChange, onUpdate */
|
||
|
|
if(cb && d){
|
||
|
|
if(cb===2 && o.callbacks.onImageLoad && typeof o.callbacks.onImageLoad==="function"){
|
||
|
|
o.callbacks.onImageLoad.call(this);
|
||
|
|
}else if(cb===3 && o.callbacks.onSelectorChange && typeof o.callbacks.onSelectorChange==="function"){
|
||
|
|
o.callbacks.onSelectorChange.call(this);
|
||
|
|
}else if(o.callbacks.onUpdate && typeof o.callbacks.onUpdate==="function"){
|
||
|
|
o.callbacks.onUpdate.call(this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
_autoUpdate.call(this); /* initialize automatic updating (for dynamic content, fluid layouts etc.) */
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
},
|
||
|
|
/* ---------------------------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
plugin scrollTo method
|
||
|
|
triggers a scrolling event to a specific value
|
||
|
|
----------------------------------------
|
||
|
|
usage: $(selector).mCustomScrollbar("scrollTo",value,options);
|
||
|
|
*/
|
||
|
|
|
||
|
|
scrollTo:function(val,options){
|
||
|
|
|
||
|
|
/* prevent silly things like $(selector).mCustomScrollbar("scrollTo",undefined); */
|
||
|
|
if(typeof val=="undefined" || val==null){return;}
|
||
|
|
|
||
|
|
var selector=_selector.call(this); /* validate selector */
|
||
|
|
|
||
|
|
return $(selector).each(function(){
|
||
|
|
|
||
|
|
var $this=$(this);
|
||
|
|
|
||
|
|
if($this.data(pluginPfx)){ /* check if plugin has initialized */
|
||
|
|
|
||
|
|
var d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
/* method default options */
|
||
|
|
methodDefaults={
|
||
|
|
trigger:"external", /* method is by default triggered externally (e.g. from other scripts) */
|
||
|
|
scrollInertia:o.scrollInertia, /* scrolling inertia (animation duration) */
|
||
|
|
scrollEasing:"mcsEaseInOut", /* animation easing */
|
||
|
|
moveDragger:false, /* move dragger instead of content */
|
||
|
|
timeout:60, /* scroll-to delay */
|
||
|
|
callbacks:true, /* enable/disable callbacks */
|
||
|
|
onStart:true,
|
||
|
|
onUpdate:true,
|
||
|
|
onComplete:true
|
||
|
|
},
|
||
|
|
methodOptions=$.extend(true,{},methodDefaults,options),
|
||
|
|
to=_arr.call(this,val),dur=methodOptions.scrollInertia>0 && methodOptions.scrollInertia<17 ? 17 : methodOptions.scrollInertia;
|
||
|
|
|
||
|
|
/* translate yx values to actual scroll-to positions */
|
||
|
|
to[0]=_to.call(this,to[0],"y");
|
||
|
|
to[1]=_to.call(this,to[1],"x");
|
||
|
|
|
||
|
|
/*
|
||
|
|
check if scroll-to value moves the dragger instead of content.
|
||
|
|
Only pixel values apply on dragger (e.g. 100, "100px", "-=100" etc.)
|
||
|
|
*/
|
||
|
|
if(methodOptions.moveDragger){
|
||
|
|
to[0]*=d.scrollRatio.y;
|
||
|
|
to[1]*=d.scrollRatio.x;
|
||
|
|
}
|
||
|
|
|
||
|
|
methodOptions.dur=_isTabHidden() ? 0 : dur; //skip animations if browser tab is hidden
|
||
|
|
|
||
|
|
setTimeout(function(){
|
||
|
|
/* do the scrolling */
|
||
|
|
if(to[0]!==null && typeof to[0]!=="undefined" && o.axis!=="x" && d.overflowed[0]){ /* scroll y */
|
||
|
|
methodOptions.dir="y";
|
||
|
|
methodOptions.overwrite="all";
|
||
|
|
_scrollTo($this,to[0].toString(),methodOptions);
|
||
|
|
}
|
||
|
|
if(to[1]!==null && typeof to[1]!=="undefined" && o.axis!=="y" && d.overflowed[1]){ /* scroll x */
|
||
|
|
methodOptions.dir="x";
|
||
|
|
methodOptions.overwrite="none";
|
||
|
|
_scrollTo($this,to[1].toString(),methodOptions);
|
||
|
|
}
|
||
|
|
},methodOptions.timeout);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
},
|
||
|
|
/* ---------------------------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
plugin stop method
|
||
|
|
stops scrolling animation
|
||
|
|
----------------------------------------
|
||
|
|
usage: $(selector).mCustomScrollbar("stop");
|
||
|
|
*/
|
||
|
|
stop:function(){
|
||
|
|
|
||
|
|
var selector=_selector.call(this); /* validate selector */
|
||
|
|
|
||
|
|
return $(selector).each(function(){
|
||
|
|
|
||
|
|
var $this=$(this);
|
||
|
|
|
||
|
|
if($this.data(pluginPfx)){ /* check if plugin has initialized */
|
||
|
|
|
||
|
|
_stop($this);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
},
|
||
|
|
/* ---------------------------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
plugin disable method
|
||
|
|
temporarily disables the scrollbar(s)
|
||
|
|
----------------------------------------
|
||
|
|
usage: $(selector).mCustomScrollbar("disable",reset);
|
||
|
|
reset (boolean): resets content position to 0
|
||
|
|
*/
|
||
|
|
disable:function(r){
|
||
|
|
|
||
|
|
var selector=_selector.call(this); /* validate selector */
|
||
|
|
|
||
|
|
return $(selector).each(function(){
|
||
|
|
|
||
|
|
var $this=$(this);
|
||
|
|
|
||
|
|
if($this.data(pluginPfx)){ /* check if plugin has initialized */
|
||
|
|
|
||
|
|
var d=$this.data(pluginPfx);
|
||
|
|
|
||
|
|
_autoUpdate.call(this,"remove"); /* remove automatic updating */
|
||
|
|
|
||
|
|
_unbindEvents.call(this); /* unbind events */
|
||
|
|
|
||
|
|
if(r){_resetContentPosition.call(this);} /* reset content position */
|
||
|
|
|
||
|
|
_scrollbarVisibility.call(this,true); /* show/hide scrollbar(s) */
|
||
|
|
|
||
|
|
$this.addClass(classes[3]); /* add disable class */
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
},
|
||
|
|
/* ---------------------------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
plugin destroy method
|
||
|
|
completely removes the scrollbar(s) and returns the element to its original state
|
||
|
|
----------------------------------------
|
||
|
|
usage: $(selector).mCustomScrollbar("destroy");
|
||
|
|
*/
|
||
|
|
destroy:function(){
|
||
|
|
|
||
|
|
var selector=_selector.call(this); /* validate selector */
|
||
|
|
|
||
|
|
return $(selector).each(function(){
|
||
|
|
|
||
|
|
var $this=$(this);
|
||
|
|
|
||
|
|
if($this.data(pluginPfx)){ /* check if plugin has initialized */
|
||
|
|
|
||
|
|
var d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
scrollbar=$(".mCSB_"+d.idx+"_scrollbar");
|
||
|
|
|
||
|
|
if(o.live){removeLiveTimers(o.liveSelector || $(selector).selector);} /* remove live timers */
|
||
|
|
|
||
|
|
_autoUpdate.call(this,"remove"); /* remove automatic updating */
|
||
|
|
|
||
|
|
_unbindEvents.call(this); /* unbind events */
|
||
|
|
|
||
|
|
_resetContentPosition.call(this); /* reset content position */
|
||
|
|
|
||
|
|
$this.removeData(pluginPfx); /* remove plugin data object */
|
||
|
|
|
||
|
|
_delete(this,"mcs"); /* delete callbacks object */
|
||
|
|
|
||
|
|
/* remove plugin markup */
|
||
|
|
scrollbar.remove(); /* remove scrollbar(s) first (those can be either inside or outside plugin's inner wrapper) */
|
||
|
|
mCSB_container.find("img."+classes[2]).removeClass(classes[2]); /* remove loaded images flag */
|
||
|
|
mCustomScrollBox.replaceWith(mCSB_container.contents()); /* replace plugin's inner wrapper with the original content */
|
||
|
|
/* remove plugin classes from the element and add destroy class */
|
||
|
|
$this.removeClass(pluginNS+" _"+pluginPfx+"_"+d.idx+" "+classes[6]+" "+classes[7]+" "+classes[5]+" "+classes[3]).addClass(classes[4]);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
}
|
||
|
|
/* ---------------------------------------- */
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
----------------------------------------
|
||
|
|
FUNCTIONS
|
||
|
|
----------------------------------------
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* validates selector (if selector is invalid or undefined uses the default one) */
|
||
|
|
_selector=function(){
|
||
|
|
return (typeof $(this)!=="object" || $(this).length<1) ? defaultSelector : this;
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* changes options according to theme */
|
||
|
|
_theme=function(obj){
|
||
|
|
var fixedSizeScrollbarThemes=["rounded","rounded-dark","rounded-dots","rounded-dots-dark"],
|
||
|
|
nonExpandedScrollbarThemes=["rounded-dots","rounded-dots-dark","3d","3d-dark","3d-thick","3d-thick-dark","inset","inset-dark","inset-2","inset-2-dark","inset-3","inset-3-dark"],
|
||
|
|
disabledScrollButtonsThemes=["minimal","minimal-dark"],
|
||
|
|
enabledAutoHideScrollbarThemes=["minimal","minimal-dark"],
|
||
|
|
scrollbarPositionOutsideThemes=["minimal","minimal-dark"];
|
||
|
|
obj.autoDraggerLength=$.inArray(obj.theme,fixedSizeScrollbarThemes) > -1 ? false : obj.autoDraggerLength;
|
||
|
|
obj.autoExpandScrollbar=$.inArray(obj.theme,nonExpandedScrollbarThemes) > -1 ? false : obj.autoExpandScrollbar;
|
||
|
|
obj.scrollButtons.enable=$.inArray(obj.theme,disabledScrollButtonsThemes) > -1 ? false : obj.scrollButtons.enable;
|
||
|
|
obj.autoHideScrollbar=$.inArray(obj.theme,enabledAutoHideScrollbarThemes) > -1 ? true : obj.autoHideScrollbar;
|
||
|
|
obj.scrollbarPosition=$.inArray(obj.theme,scrollbarPositionOutsideThemes) > -1 ? "outside" : obj.scrollbarPosition;
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* live option timers removal */
|
||
|
|
removeLiveTimers=function(selector){
|
||
|
|
if(liveTimers[selector]){
|
||
|
|
clearTimeout(liveTimers[selector]);
|
||
|
|
_delete(liveTimers,selector);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* normalizes axis option to valid values: "y", "x", "yx" */
|
||
|
|
_findAxis=function(val){
|
||
|
|
return (val==="yx" || val==="xy" || val==="auto") ? "yx" : (val==="x" || val==="horizontal") ? "x" : "y";
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* normalizes scrollButtons.scrollType option to valid values: "stepless", "stepped" */
|
||
|
|
_findScrollButtonsType=function(val){
|
||
|
|
return (val==="stepped" || val==="pixels" || val==="step" || val==="click") ? "stepped" : "stepless";
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* generates plugin markup */
|
||
|
|
_pluginMarkup=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
expandClass=o.autoExpandScrollbar ? " "+classes[1]+"_expand" : "",
|
||
|
|
scrollbar=["<div id='mCSB_"+d.idx+"_scrollbar_vertical' class='mCSB_scrollTools mCSB_"+d.idx+"_scrollbar mCS-"+o.theme+" mCSB_scrollTools_vertical"+expandClass+"'><div class='"+classes[12]+"'><div id='mCSB_"+d.idx+"_dragger_vertical' class='mCSB_dragger' style='position:absolute;'><div class='mCSB_dragger_bar' /></div><div class='mCSB_draggerRail' /></div></div>","<div id='mCSB_"+d.idx+"_scrollbar_horizontal' class='mCSB_scrollTools mCSB_"+d.idx+"_scrollbar mCS-"+o.theme+" mCSB_scrollTools_horizontal"+expandClass+"'><div class='"+classes[12]+"'><div id='mCSB_"+d.idx+"_dragger_horizontal' class='mCSB_dragger' style='position:absolute;'><div class='mCSB_dragger_bar' /></div><div class='mCSB_draggerRail' /></div></div>"],
|
||
|
|
wrapperClass=o.axis==="yx" ? "mCSB_vertical_horizontal" : o.axis==="x" ? "mCSB_horizontal" : "mCSB_vertical",
|
||
|
|
scrollbars=o.axis==="yx" ? scrollbar[0]+scrollbar[1] : o.axis==="x" ? scrollbar[1] : scrollbar[0],
|
||
|
|
contentWrapper=o.axis==="yx" ? "<div id='mCSB_"+d.idx+"_container_wrapper' class='mCSB_container_wrapper' />" : "",
|
||
|
|
autoHideClass=o.autoHideScrollbar ? " "+classes[6] : "",
|
||
|
|
scrollbarDirClass=(o.axis!=="x" && d.langDir==="rtl") ? " "+classes[7] : "";
|
||
|
|
if(o.setWidth){$this.css("width",o.setWidth);} /* set element width */
|
||
|
|
if(o.setHeight){$this.css("height",o.setHeight);} /* set element height */
|
||
|
|
o.setLeft=(o.axis!=="y" && d.langDir==="rtl") ? "989999px" : o.setLeft; /* adjust left position for rtl direction */
|
||
|
|
$this.addClass(pluginNS+" _"+pluginPfx+"_"+d.idx+autoHideClass+scrollbarDirClass).wrapInner("<div id='mCSB_"+d.idx+"' class='mCustomScrollBox mCS-"+o.theme+" "+wrapperClass+"'><div id='mCSB_"+d.idx+"_container' class='mCSB_container' style='position:relative; top:"+o.setTop+"; left:"+o.setLeft+";' dir='"+d.langDir+"' /></div>");
|
||
|
|
var mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container");
|
||
|
|
if(o.axis!=="y" && !o.advanced.autoExpandHorizontalScroll){
|
||
|
|
mCSB_container.css("width",_contentWidth(mCSB_container));
|
||
|
|
}
|
||
|
|
if(o.scrollbarPosition==="outside"){
|
||
|
|
if($this.css("position")==="static"){ /* requires elements with non-static position */
|
||
|
|
$this.css("position","relative");
|
||
|
|
}
|
||
|
|
$this.css("overflow","visible");
|
||
|
|
mCustomScrollBox.addClass("mCSB_outside").after(scrollbars);
|
||
|
|
}else{
|
||
|
|
mCustomScrollBox.addClass("mCSB_inside").append(scrollbars);
|
||
|
|
mCSB_container.wrap(contentWrapper);
|
||
|
|
}
|
||
|
|
_scrollButtons.call(this); /* add scrollbar buttons */
|
||
|
|
/* minimum dragger length */
|
||
|
|
var mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")];
|
||
|
|
mCSB_dragger[0].css("min-height",mCSB_dragger[0].height());
|
||
|
|
mCSB_dragger[1].css("min-width",mCSB_dragger[1].width());
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* calculates content width */
|
||
|
|
_contentWidth=function(el){
|
||
|
|
var val=[el[0].scrollWidth,Math.max.apply(Math,el.children().map(function(){return $(this).outerWidth(true);}).get())],w=el.parent().width();
|
||
|
|
return val[0]>w ? val[0] : val[1]>w ? val[1] : "100%";
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* expands content horizontally */
|
||
|
|
_expandContentHorizontally=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container");
|
||
|
|
if(o.advanced.autoExpandHorizontalScroll && o.axis!=="y"){
|
||
|
|
/* calculate scrollWidth */
|
||
|
|
mCSB_container.css({"width":"auto","min-width":0,"overflow-x":"scroll"});
|
||
|
|
var w=Math.ceil(mCSB_container[0].scrollWidth);
|
||
|
|
if(o.advanced.autoExpandHorizontalScroll===3 || (o.advanced.autoExpandHorizontalScroll!==2 && w>mCSB_container.parent().width())){
|
||
|
|
mCSB_container.css({"width":w,"min-width":"100%","overflow-x":"inherit"});
|
||
|
|
}else{
|
||
|
|
/*
|
||
|
|
wrap content with an infinite width div and set its position to absolute and width to auto.
|
||
|
|
Setting width to auto before calculating the actual width is important!
|
||
|
|
We must let the browser set the width as browser zoom values are impossible to calculate.
|
||
|
|
*/
|
||
|
|
mCSB_container.css({"overflow-x":"inherit","position":"absolute"})
|
||
|
|
.wrap("<div class='mCSB_h_wrapper' style='position:relative; left:0; width:999999px;' />")
|
||
|
|
.css({ /* set actual width, original position and un-wrap */
|
||
|
|
/*
|
||
|
|
get the exact width (with decimals) and then round-up.
|
||
|
|
Using jquery outerWidth() will round the width value which will mess up with inner elements that have non-integer width
|
||
|
|
*/
|
||
|
|
"width":(Math.ceil(mCSB_container[0].getBoundingClientRect().right+0.4)-Math.floor(mCSB_container[0].getBoundingClientRect().left)),
|
||
|
|
"min-width":"100%",
|
||
|
|
"position":"relative"
|
||
|
|
}).unwrap();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* adds scrollbar buttons */
|
||
|
|
_scrollButtons=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
mCSB_scrollTools=$(".mCSB_"+d.idx+"_scrollbar:first"),
|
||
|
|
tabindex=!_isNumeric(o.scrollButtons.tabindex) ? "" : "tabindex='"+o.scrollButtons.tabindex+"'",
|
||
|
|
btnHTML=[
|
||
|
|
"<a href='#' class='"+classes[13]+"' "+tabindex+" />",
|
||
|
|
"<a href='#' class='"+classes[14]+"' "+tabindex+" />",
|
||
|
|
"<a href='#' class='"+classes[15]+"' "+tabindex+" />",
|
||
|
|
"<a href='#' class='"+classes[16]+"' "+tabindex+" />"
|
||
|
|
],
|
||
|
|
btn=[(o.axis==="x" ? btnHTML[2] : btnHTML[0]),(o.axis==="x" ? btnHTML[3] : btnHTML[1]),btnHTML[2],btnHTML[3]];
|
||
|
|
if(o.scrollButtons.enable){
|
||
|
|
mCSB_scrollTools.prepend(btn[0]).append(btn[1]).next(".mCSB_scrollTools").prepend(btn[2]).append(btn[3]);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* auto-adjusts scrollbar dragger length */
|
||
|
|
_setDraggerLength=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")],
|
||
|
|
ratio=[mCustomScrollBox.height()/mCSB_container.outerHeight(false),mCustomScrollBox.width()/mCSB_container.outerWidth(false)],
|
||
|
|
l=[
|
||
|
|
parseInt(mCSB_dragger[0].css("min-height")),Math.round(ratio[0]*mCSB_dragger[0].parent().height()),
|
||
|
|
parseInt(mCSB_dragger[1].css("min-width")),Math.round(ratio[1]*mCSB_dragger[1].parent().width())
|
||
|
|
],
|
||
|
|
h=oldIE && (l[1]<l[0]) ? l[0] : l[1],w=oldIE && (l[3]<l[2]) ? l[2] : l[3];
|
||
|
|
mCSB_dragger[0].css({
|
||
|
|
"height":h,"max-height":(mCSB_dragger[0].parent().height()-10)
|
||
|
|
}).find(".mCSB_dragger_bar").css({"line-height":l[0]+"px"});
|
||
|
|
mCSB_dragger[1].css({
|
||
|
|
"width":w,"max-width":(mCSB_dragger[1].parent().width()-10)
|
||
|
|
});
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* calculates scrollbar to content ratio */
|
||
|
|
_scrollRatio=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")],
|
||
|
|
scrollAmount=[mCSB_container.outerHeight(false)-mCustomScrollBox.height(),mCSB_container.outerWidth(false)-mCustomScrollBox.width()],
|
||
|
|
ratio=[
|
||
|
|
scrollAmount[0]/(mCSB_dragger[0].parent().height()-mCSB_dragger[0].height()),
|
||
|
|
scrollAmount[1]/(mCSB_dragger[1].parent().width()-mCSB_dragger[1].width())
|
||
|
|
];
|
||
|
|
d.scrollRatio={y:ratio[0],x:ratio[1]};
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* toggles scrolling classes */
|
||
|
|
_onDragClasses=function(el,action,xpnd){
|
||
|
|
var expandClass=xpnd ? classes[0]+"_expanded" : "",
|
||
|
|
scrollbar=el.closest(".mCSB_scrollTools");
|
||
|
|
if(action==="active"){
|
||
|
|
el.toggleClass(classes[0]+" "+expandClass); scrollbar.toggleClass(classes[1]);
|
||
|
|
el[0]._draggable=el[0]._draggable ? 0 : 1;
|
||
|
|
}else{
|
||
|
|
if(!el[0]._draggable){
|
||
|
|
if(action==="hide"){
|
||
|
|
el.removeClass(classes[0]); scrollbar.removeClass(classes[1]);
|
||
|
|
}else{
|
||
|
|
el.addClass(classes[0]); scrollbar.addClass(classes[1]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* checks if content overflows its container to determine if scrolling is required */
|
||
|
|
_overflowed=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
contentHeight=d.overflowed==null ? mCSB_container.height() : mCSB_container.outerHeight(false),
|
||
|
|
contentWidth=d.overflowed==null ? mCSB_container.width() : mCSB_container.outerWidth(false),
|
||
|
|
h=mCSB_container[0].scrollHeight,w=mCSB_container[0].scrollWidth;
|
||
|
|
if(h>contentHeight){contentHeight=h;}
|
||
|
|
if(w>contentWidth){contentWidth=w;}
|
||
|
|
return [contentHeight>mCustomScrollBox.height(),contentWidth>mCustomScrollBox.width()];
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* resets content position to 0 */
|
||
|
|
_resetContentPosition=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")];
|
||
|
|
_stop($this); /* stop any current scrolling before resetting */
|
||
|
|
if((o.axis!=="x" && !d.overflowed[0]) || (o.axis==="y" && d.overflowed[0])){ /* reset y */
|
||
|
|
mCSB_dragger[0].add(mCSB_container).css("top",0);
|
||
|
|
_scrollTo($this,"_resetY");
|
||
|
|
}
|
||
|
|
if((o.axis!=="y" && !d.overflowed[1]) || (o.axis==="x" && d.overflowed[1])){ /* reset x */
|
||
|
|
var cx=dx=0;
|
||
|
|
if(d.langDir==="rtl"){ /* adjust left position for rtl direction */
|
||
|
|
cx=mCustomScrollBox.width()-mCSB_container.outerWidth(false);
|
||
|
|
dx=Math.abs(cx/d.scrollRatio.x);
|
||
|
|
}
|
||
|
|
mCSB_container.css("left",cx);
|
||
|
|
mCSB_dragger[1].css("left",dx);
|
||
|
|
_scrollTo($this,"_resetX");
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* binds scrollbar events */
|
||
|
|
_bindEvents=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt;
|
||
|
|
if(!d.bindEvents){ /* check if events are already bound */
|
||
|
|
_draggable.call(this);
|
||
|
|
if(o.contentTouchScroll){_contentDraggable.call(this);}
|
||
|
|
_selectable.call(this);
|
||
|
|
if(o.mouseWheel.enable){ /* bind mousewheel fn when plugin is available */
|
||
|
|
function _mwt(){
|
||
|
|
mousewheelTimeout=setTimeout(function(){
|
||
|
|
if(!$.event.special.mousewheel){
|
||
|
|
_mwt();
|
||
|
|
}else{
|
||
|
|
clearTimeout(mousewheelTimeout);
|
||
|
|
_mousewheel.call($this[0]);
|
||
|
|
}
|
||
|
|
},100);
|
||
|
|
}
|
||
|
|
var mousewheelTimeout;
|
||
|
|
_mwt();
|
||
|
|
}
|
||
|
|
_draggerRail.call(this);
|
||
|
|
_wrapperScroll.call(this);
|
||
|
|
if(o.advanced.autoScrollOnFocus){_focus.call(this);}
|
||
|
|
if(o.scrollButtons.enable){_buttons.call(this);}
|
||
|
|
if(o.keyboard.enable){_keyboard.call(this);}
|
||
|
|
d.bindEvents=true;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* unbinds scrollbar events */
|
||
|
|
_unbindEvents=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
sb=".mCSB_"+d.idx+"_scrollbar",
|
||
|
|
sel=$("#mCSB_"+d.idx+",#mCSB_"+d.idx+"_container,#mCSB_"+d.idx+"_container_wrapper,"+sb+" ."+classes[12]+",#mCSB_"+d.idx+"_dragger_vertical,#mCSB_"+d.idx+"_dragger_horizontal,"+sb+">a"),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container");
|
||
|
|
if(o.advanced.releaseDraggableSelectors){sel.add($(o.advanced.releaseDraggableSelectors));}
|
||
|
|
if(o.advanced.extraDraggableSelectors){sel.add($(o.advanced.extraDraggableSelectors));}
|
||
|
|
if(d.bindEvents){ /* check if events are bound */
|
||
|
|
/* unbind namespaced events from document/selectors */
|
||
|
|
$(document).add($(!_canAccessIFrame() || top.document)).unbind("."+namespace);
|
||
|
|
sel.each(function(){
|
||
|
|
$(this).unbind("."+namespace);
|
||
|
|
});
|
||
|
|
/* clear and delete timeouts/objects */
|
||
|
|
clearTimeout($this[0]._focusTimeout); _delete($this[0],"_focusTimeout");
|
||
|
|
clearTimeout(d.sequential.step); _delete(d.sequential,"step");
|
||
|
|
clearTimeout(mCSB_container[0].onCompleteTimeout); _delete(mCSB_container[0],"onCompleteTimeout");
|
||
|
|
d.bindEvents=false;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* toggles scrollbar visibility */
|
||
|
|
_scrollbarVisibility=function(disabled){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
contentWrapper=$("#mCSB_"+d.idx+"_container_wrapper"),
|
||
|
|
content=contentWrapper.length ? contentWrapper : $("#mCSB_"+d.idx+"_container"),
|
||
|
|
scrollbar=[$("#mCSB_"+d.idx+"_scrollbar_vertical"),$("#mCSB_"+d.idx+"_scrollbar_horizontal")],
|
||
|
|
mCSB_dragger=[scrollbar[0].find(".mCSB_dragger"),scrollbar[1].find(".mCSB_dragger")];
|
||
|
|
if(o.axis!=="x"){
|
||
|
|
if(d.overflowed[0] && !disabled){
|
||
|
|
scrollbar[0].add(mCSB_dragger[0]).add(scrollbar[0].children("a")).css("display","block");
|
||
|
|
content.removeClass(classes[8]+" "+classes[10]);
|
||
|
|
}else{
|
||
|
|
if(o.alwaysShowScrollbar){
|
||
|
|
if(o.alwaysShowScrollbar!==2){mCSB_dragger[0].css("display","none");}
|
||
|
|
content.removeClass(classes[10]);
|
||
|
|
}else{
|
||
|
|
scrollbar[0].css("display","none");
|
||
|
|
content.addClass(classes[10]);
|
||
|
|
}
|
||
|
|
content.addClass(classes[8]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(o.axis!=="y"){
|
||
|
|
if(d.overflowed[1] && !disabled){
|
||
|
|
scrollbar[1].add(mCSB_dragger[1]).add(scrollbar[1].children("a")).css("display","block");
|
||
|
|
content.removeClass(classes[9]+" "+classes[11]);
|
||
|
|
}else{
|
||
|
|
if(o.alwaysShowScrollbar){
|
||
|
|
if(o.alwaysShowScrollbar!==2){mCSB_dragger[1].css("display","none");}
|
||
|
|
content.removeClass(classes[11]);
|
||
|
|
}else{
|
||
|
|
scrollbar[1].css("display","none");
|
||
|
|
content.addClass(classes[11]);
|
||
|
|
}
|
||
|
|
content.addClass(classes[9]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(!d.overflowed[0] && !d.overflowed[1]){
|
||
|
|
$this.addClass(classes[5]);
|
||
|
|
}else{
|
||
|
|
$this.removeClass(classes[5]);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* returns input coordinates of pointer, touch and mouse events (relative to document) */
|
||
|
|
_coordinates=function(e){
|
||
|
|
var t=e.type,o=e.target.ownerDocument!==document && frameElement!==null ? [$(frameElement).offset().top,$(frameElement).offset().left] : null,
|
||
|
|
io=_canAccessIFrame() && e.target.ownerDocument!==top.document && frameElement!==null ? [$(e.view.frameElement).offset().top,$(e.view.frameElement).offset().left] : [0,0];
|
||
|
|
switch(t){
|
||
|
|
case "pointerdown": case "MSPointerDown": case "pointermove": case "MSPointerMove": case "pointerup": case "MSPointerUp":
|
||
|
|
return o ? [e.originalEvent.pageY-o[0]+io[0],e.originalEvent.pageX-o[1]+io[1],false] : [e.originalEvent.pageY,e.originalEvent.pageX,false];
|
||
|
|
break;
|
||
|
|
case "touchstart": case "touchmove": case "touchend":
|
||
|
|
var touch=e.originalEvent.touches[0] || e.originalEvent.changedTouches[0],
|
||
|
|
touches=e.originalEvent.touches.length || e.originalEvent.changedTouches.length;
|
||
|
|
return e.target.ownerDocument!==document ? [touch.screenY,touch.screenX,touches>1] : [touch.pageY,touch.pageX,touches>1];
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return o ? [e.pageY-o[0]+io[0],e.pageX-o[1]+io[1],false] : [e.pageY,e.pageX,false];
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
SCROLLBAR DRAG EVENTS
|
||
|
|
scrolls content via scrollbar dragging
|
||
|
|
*/
|
||
|
|
_draggable=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
draggerId=["mCSB_"+d.idx+"_dragger_vertical","mCSB_"+d.idx+"_dragger_horizontal"],
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
mCSB_dragger=$("#"+draggerId[0]+",#"+draggerId[1]),
|
||
|
|
draggable,dragY,dragX,
|
||
|
|
rds=o.advanced.releaseDraggableSelectors ? mCSB_dragger.add($(o.advanced.releaseDraggableSelectors)) : mCSB_dragger,
|
||
|
|
eds=o.advanced.extraDraggableSelectors ? $(!_canAccessIFrame() || top.document).add($(o.advanced.extraDraggableSelectors)) : $(!_canAccessIFrame() || top.document);
|
||
|
|
mCSB_dragger.bind("contextmenu."+namespace,function(e){
|
||
|
|
e.preventDefault(); //prevent right click
|
||
|
|
}).bind("mousedown."+namespace+" touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace,function(e){
|
||
|
|
e.stopImmediatePropagation();
|
||
|
|
e.preventDefault();
|
||
|
|
if(!_mouseBtnLeft(e)){return;} /* left mouse button only */
|
||
|
|
touchActive=true;
|
||
|
|
if(oldIE){document.onselectstart=function(){return false;}} /* disable text selection for IE < 9 */
|
||
|
|
_iframe.call(mCSB_container,false); /* enable scrollbar dragging over iframes by disabling their events */
|
||
|
|
_stop($this);
|
||
|
|
draggable=$(this);
|
||
|
|
var offset=draggable.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left,
|
||
|
|
h=draggable.height()+offset.top,w=draggable.width()+offset.left;
|
||
|
|
if(y<h && y>0 && x<w && x>0){
|
||
|
|
dragY=y;
|
||
|
|
dragX=x;
|
||
|
|
}
|
||
|
|
_onDragClasses(draggable,"active",o.autoExpandScrollbar);
|
||
|
|
}).bind("touchmove."+namespace,function(e){
|
||
|
|
e.stopImmediatePropagation();
|
||
|
|
e.preventDefault();
|
||
|
|
var offset=draggable.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left;
|
||
|
|
_drag(dragY,dragX,y,x);
|
||
|
|
});
|
||
|
|
$(document).add(eds).bind("mousemove."+namespace+" pointermove."+namespace+" MSPointerMove."+namespace,function(e){
|
||
|
|
if(draggable){
|
||
|
|
var offset=draggable.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left;
|
||
|
|
if(dragY===y && dragX===x){return;} /* has it really moved? */
|
||
|
|
_drag(dragY,dragX,y,x);
|
||
|
|
}
|
||
|
|
}).add(rds).bind("mouseup."+namespace+" touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace,function(e){
|
||
|
|
if(draggable){
|
||
|
|
_onDragClasses(draggable,"active",o.autoExpandScrollbar);
|
||
|
|
draggable=null;
|
||
|
|
}
|
||
|
|
touchActive=false;
|
||
|
|
if(oldIE){document.onselectstart=null;} /* enable text selection for IE < 9 */
|
||
|
|
_iframe.call(mCSB_container,true); /* enable iframes events */
|
||
|
|
});
|
||
|
|
function _drag(dragY,dragX,y,x){
|
||
|
|
mCSB_container[0].idleTimer=o.scrollInertia<233 ? 250 : 0;
|
||
|
|
if(draggable.attr("id")===draggerId[1]){
|
||
|
|
var dir="x",to=((draggable[0].offsetLeft-dragX)+x)*d.scrollRatio.x;
|
||
|
|
}else{
|
||
|
|
var dir="y",to=((draggable[0].offsetTop-dragY)+y)*d.scrollRatio.y;
|
||
|
|
}
|
||
|
|
_scrollTo($this,to.toString(),{dir:dir,drag:true});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
TOUCH SWIPE EVENTS
|
||
|
|
scrolls content via touch swipe
|
||
|
|
Emulates the native touch-swipe scrolling with momentum found in iOS, Android and WP devices
|
||
|
|
*/
|
||
|
|
_contentDraggable=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")],
|
||
|
|
draggable,dragY,dragX,touchStartY,touchStartX,touchMoveY=[],touchMoveX=[],startTime,runningTime,endTime,distance,speed,amount,
|
||
|
|
durA=0,durB,overwrite=o.axis==="yx" ? "none" : "all",touchIntent=[],touchDrag,docDrag,
|
||
|
|
iframe=mCSB_container.find("iframe"),
|
||
|
|
events=[
|
||
|
|
"touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace, //start
|
||
|
|
"touchmove."+namespace+" pointermove."+namespace+" MSPointerMove."+namespace, //move
|
||
|
|
"touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace //end
|
||
|
|
],
|
||
|
|
touchAction=document.body.style.touchAction!==undefined && document.body.style.touchAction!=="";
|
||
|
|
mCSB_container.bind(events[0],function(e){
|
||
|
|
_onTouchstart(e);
|
||
|
|
}).bind(events[1],function(e){
|
||
|
|
_onTouchmove(e);
|
||
|
|
});
|
||
|
|
mCustomScrollBox.bind(events[0],function(e){
|
||
|
|
_onTouchstart2(e);
|
||
|
|
}).bind(events[2],function(e){
|
||
|
|
_onTouchend(e);
|
||
|
|
});
|
||
|
|
if(iframe.length){
|
||
|
|
iframe.each(function(){
|
||
|
|
$(this).bind("load",function(){
|
||
|
|
/* bind events on accessible iframes */
|
||
|
|
if(_canAccessIFrame(this)){
|
||
|
|
$(this.contentDocument || this.contentWindow.document).bind(events[0],function(e){
|
||
|
|
_onTouchstart(e);
|
||
|
|
_onTouchstart2(e);
|
||
|
|
}).bind(events[1],function(e){
|
||
|
|
_onTouchmove(e);
|
||
|
|
}).bind(events[2],function(e){
|
||
|
|
_onTouchend(e);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
function _onTouchstart(e){
|
||
|
|
if(!_pointerTouch(e) || touchActive || _coordinates(e)[2]){touchable=0; return;}
|
||
|
|
touchable=1; touchDrag=0; docDrag=0; draggable=1;
|
||
|
|
$this.removeClass("mCS_touch_action");
|
||
|
|
var offset=mCSB_container.offset();
|
||
|
|
dragY=_coordinates(e)[0]-offset.top;
|
||
|
|
dragX=_coordinates(e)[1]-offset.left;
|
||
|
|
touchIntent=[_coordinates(e)[0],_coordinates(e)[1]];
|
||
|
|
}
|
||
|
|
function _onTouchmove(e){
|
||
|
|
if(!_pointerTouch(e) || touchActive || _coordinates(e)[2]){return;}
|
||
|
|
if(!o.documentTouchScroll){e.preventDefault();}
|
||
|
|
e.stopImmediatePropagation();
|
||
|
|
if(docDrag && !touchDrag){return;}
|
||
|
|
if(draggable){
|
||
|
|
runningTime=_getTime();
|
||
|
|
var offset=mCustomScrollBox.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left,
|
||
|
|
easing="mcsLinearOut";
|
||
|
|
touchMoveY.push(y);
|
||
|
|
touchMoveX.push(x);
|
||
|
|
touchIntent[2]=Math.abs(_coordinates(e)[0]-touchIntent[0]); touchIntent[3]=Math.abs(_coordinates(e)[1]-touchIntent[1]);
|
||
|
|
if(d.overflowed[0]){
|
||
|
|
var limit=mCSB_dragger[0].parent().height()-mCSB_dragger[0].height(),
|
||
|
|
prevent=((dragY-y)>0 && (y-dragY)>-(limit*d.scrollRatio.y) && (touchIntent[3]*2<touchIntent[2] || o.axis==="yx"));
|
||
|
|
}
|
||
|
|
if(d.overflowed[1]){
|
||
|
|
var limitX=mCSB_dragger[1].parent().width()-mCSB_dragger[1].width(),
|
||
|
|
preventX=((dragX-x)>0 && (x-dragX)>-(limitX*d.scrollRatio.x) && (touchIntent[2]*2<touchIntent[3] || o.axis==="yx"));
|
||
|
|
}
|
||
|
|
if(prevent || preventX){ /* prevent native document scrolling */
|
||
|
|
if(!touchAction){e.preventDefault();}
|
||
|
|
touchDrag=1;
|
||
|
|
}else{
|
||
|
|
docDrag=1;
|
||
|
|
$this.addClass("mCS_touch_action");
|
||
|
|
}
|
||
|
|
if(touchAction){e.preventDefault();}
|
||
|
|
amount=o.axis==="yx" ? [(dragY-y),(dragX-x)] : o.axis==="x" ? [null,(dragX-x)] : [(dragY-y),null];
|
||
|
|
mCSB_container[0].idleTimer=250;
|
||
|
|
if(d.overflowed[0]){_drag(amount[0],durA,easing,"y","all",true);}
|
||
|
|
if(d.overflowed[1]){_drag(amount[1],durA,easing,"x",overwrite,true);}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function _onTouchstart2(e){
|
||
|
|
if(!_pointerTouch(e) || touchActive || _coordinates(e)[2]){touchable=0; return;}
|
||
|
|
touchable=1;
|
||
|
|
e.stopImmediatePropagation();
|
||
|
|
_stop($this);
|
||
|
|
startTime=_getTime();
|
||
|
|
var offset=mCustomScrollBox.offset();
|
||
|
|
touchStartY=_coordinates(e)[0]-offset.top;
|
||
|
|
touchStartX=_coordinates(e)[1]-offset.left;
|
||
|
|
touchMoveY=[]; touchMoveX=[];
|
||
|
|
}
|
||
|
|
function _onTouchend(e){
|
||
|
|
if(!_pointerTouch(e) || touchActive || _coordinates(e)[2]){return;}
|
||
|
|
draggable=0;
|
||
|
|
e.stopImmediatePropagation();
|
||
|
|
touchDrag=0; docDrag=0;
|
||
|
|
endTime=_getTime();
|
||
|
|
var offset=mCustomScrollBox.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left;
|
||
|
|
if((endTime-runningTime)>30){return;}
|
||
|
|
speed=1000/(endTime-startTime);
|
||
|
|
var easing="mcsEaseOut",slow=speed<2.5,
|
||
|
|
diff=slow ? [touchMoveY[touchMoveY.length-2],touchMoveX[touchMoveX.length-2]] : [0,0];
|
||
|
|
distance=slow ? [(y-diff[0]),(x-diff[1])] : [y-touchStartY,x-touchStartX];
|
||
|
|
var absDistance=[Math.abs(distance[0]),Math.abs(distance[1])];
|
||
|
|
speed=slow ? [Math.abs(distance[0]/4),Math.abs(distance[1]/4)] : [speed,speed];
|
||
|
|
var a=[
|
||
|
|
Math.abs(mCSB_container[0].offsetTop)-(distance[0]*_m((absDistance[0]/speed[0]),speed[0])),
|
||
|
|
Math.abs(mCSB_container[0].offsetLeft)-(distance[1]*_m((absDistance[1]/speed[1]),speed[1]))
|
||
|
|
];
|
||
|
|
amount=o.axis==="yx" ? [a[0],a[1]] : o.axis==="x" ? [null,a[1]] : [a[0],null];
|
||
|
|
durB=[(absDistance[0]*4)+o.scrollInertia,(absDistance[1]*4)+o.scrollInertia];
|
||
|
|
var md=parseInt(o.contentTouchScroll) || 0; /* absolute minimum distance required */
|
||
|
|
amount[0]=absDistance[0]>md ? amount[0] : 0;
|
||
|
|
amount[1]=absDistance[1]>md ? amount[1] : 0;
|
||
|
|
if(d.overflowed[0]){_drag(amount[0],durB[0],easing,"y",overwrite,false);}
|
||
|
|
if(d.overflowed[1]){_drag(amount[1],durB[1],easing,"x",overwrite,false);}
|
||
|
|
}
|
||
|
|
function _m(ds,s){
|
||
|
|
var r=[s*1.5,s*2,s/1.5,s/2];
|
||
|
|
if(ds>90){
|
||
|
|
return s>4 ? r[0] : r[3];
|
||
|
|
}else if(ds>60){
|
||
|
|
return s>3 ? r[3] : r[2];
|
||
|
|
}else if(ds>30){
|
||
|
|
return s>8 ? r[1] : s>6 ? r[0] : s>4 ? s : r[2];
|
||
|
|
}else{
|
||
|
|
return s>8 ? s : r[3];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function _drag(amount,dur,easing,dir,overwrite,drag){
|
||
|
|
if(!amount){return;}
|
||
|
|
_scrollTo($this,amount.toString(),{dur:dur,scrollEasing:easing,dir:dir,overwrite:overwrite,drag:drag});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
SELECT TEXT EVENTS
|
||
|
|
scrolls content when text is selected
|
||
|
|
*/
|
||
|
|
_selectable=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,seq=d.sequential,
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
wrapper=mCSB_container.parent(),
|
||
|
|
action;
|
||
|
|
mCSB_container.bind("mousedown."+namespace,function(e){
|
||
|
|
if(touchable){return;}
|
||
|
|
if(!action){action=1; touchActive=true;}
|
||
|
|
}).add(document).bind("mousemove."+namespace,function(e){
|
||
|
|
if(!touchable && action && _sel()){
|
||
|
|
var offset=mCSB_container.offset(),
|
||
|
|
y=_coordinates(e)[0]-offset.top+mCSB_container[0].offsetTop,x=_coordinates(e)[1]-offset.left+mCSB_container[0].offsetLeft;
|
||
|
|
if(y>0 && y<wrapper.height() && x>0 && x<wrapper.width()){
|
||
|
|
if(seq.step){_seq("off",null,"stepped");}
|
||
|
|
}else{
|
||
|
|
if(o.axis!=="x" && d.overflowed[0]){
|
||
|
|
if(y<0){
|
||
|
|
_seq("on",38);
|
||
|
|
}else if(y>wrapper.height()){
|
||
|
|
_seq("on",40);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(o.axis!=="y" && d.overflowed[1]){
|
||
|
|
if(x<0){
|
||
|
|
_seq("on",37);
|
||
|
|
}else if(x>wrapper.width()){
|
||
|
|
_seq("on",39);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}).bind("mouseup."+namespace+" dragend."+namespace,function(e){
|
||
|
|
if(touchable){return;}
|
||
|
|
if(action){action=0; _seq("off",null);}
|
||
|
|
touchActive=false;
|
||
|
|
});
|
||
|
|
function _sel(){
|
||
|
|
return window.getSelection ? window.getSelection().toString() :
|
||
|
|
document.selection && document.selection.type!="Control" ? document.selection.createRange().text : 0;
|
||
|
|
}
|
||
|
|
function _seq(a,c,s){
|
||
|
|
seq.type=s && action ? "stepped" : "stepless";
|
||
|
|
seq.scrollAmount=10;
|
||
|
|
_sequentialScroll($this,a,c,"mcsLinearOut",s ? 60 : null);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
MOUSE WHEEL EVENT
|
||
|
|
scrolls content via mouse-wheel
|
||
|
|
via mouse-wheel plugin (https://github.com/brandonaaron/jquery-mousewheel)
|
||
|
|
*/
|
||
|
|
_mousewheel=function(){
|
||
|
|
if(!$(this).data(pluginPfx)){return;} /* Check if the scrollbar is ready to use mousewheel events (issue: #185) */
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")],
|
||
|
|
iframe=$("#mCSB_"+d.idx+"_container").find("iframe");
|
||
|
|
if(iframe.length){
|
||
|
|
iframe.each(function(){
|
||
|
|
$(this).bind("load",function(){
|
||
|
|
/* bind events on accessible iframes */
|
||
|
|
if(_canAccessIFrame(this)){
|
||
|
|
$(this.contentDocument || this.contentWindow.document).bind("mousewheel."+namespace,function(e,delta){
|
||
|
|
_onMousewheel(e,delta);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
mCustomScrollBox.bind("mousewheel."+namespace,function(e,delta){
|
||
|
|
_onMousewheel(e,delta);
|
||
|
|
});
|
||
|
|
function _onMousewheel(e,delta){
|
||
|
|
_stop($this);
|
||
|
|
if(_disableMousewheel($this,e.target)){return;} /* disables mouse-wheel when hovering specific elements */
|
||
|
|
var deltaFactor=o.mouseWheel.deltaFactor!=="auto" ? parseInt(o.mouseWheel.deltaFactor) : (oldIE && e.deltaFactor<100) ? 100 : e.deltaFactor || 100,
|
||
|
|
dur=o.scrollInertia;
|
||
|
|
if(o.axis==="x" || o.mouseWheel.axis==="x"){
|
||
|
|
var dir="x",
|
||
|
|
px=[Math.round(deltaFactor*d.scrollRatio.x),parseInt(o.mouseWheel.scrollAmount)],
|
||
|
|
amount=o.mouseWheel.scrollAmount!=="auto" ? px[1] : px[0]>=mCustomScrollBox.width() ? mCustomScrollBox.width()*0.9 : px[0],
|
||
|
|
contentPos=Math.abs($("#mCSB_"+d.idx+"_container")[0].offsetLeft),
|
||
|
|
draggerPos=mCSB_dragger[1][0].offsetLeft,
|
||
|
|
limit=mCSB_dragger[1].parent().width()-mCSB_dragger[1].width(),
|
||
|
|
dlt=o.mouseWheel.axis==="y" ? (e.deltaY || delta) : e.deltaX;
|
||
|
|
}else{
|
||
|
|
var dir="y",
|
||
|
|
px=[Math.round(deltaFactor*d.scrollRatio.y),parseInt(o.mouseWheel.scrollAmount)],
|
||
|
|
amount=o.mouseWheel.scrollAmount!=="auto" ? px[1] : px[0]>=mCustomScrollBox.height() ? mCustomScrollBox.height()*0.9 : px[0],
|
||
|
|
contentPos=Math.abs($("#mCSB_"+d.idx+"_container")[0].offsetTop),
|
||
|
|
draggerPos=mCSB_dragger[0][0].offsetTop,
|
||
|
|
limit=mCSB_dragger[0].parent().height()-mCSB_dragger[0].height(),
|
||
|
|
dlt=e.deltaY || delta;
|
||
|
|
}
|
||
|
|
if((dir==="y" && !d.overflowed[0]) || (dir==="x" && !d.overflowed[1])){return;}
|
||
|
|
if(o.mouseWheel.invert || e.webkitDirectionInvertedFromDevice){dlt=-dlt;}
|
||
|
|
if(o.mouseWheel.normalizeDelta){dlt=dlt<0 ? -1 : 1;}
|
||
|
|
if((dlt>0 && draggerPos!==0) || (dlt<0 && draggerPos!==limit) || o.mouseWheel.preventDefault){
|
||
|
|
e.stopImmediatePropagation();
|
||
|
|
e.preventDefault();
|
||
|
|
}
|
||
|
|
if(e.deltaFactor<5 && !o.mouseWheel.normalizeDelta){
|
||
|
|
//very low deltaFactor values mean some kind of delta acceleration (e.g. osx trackpad), so adjusting scrolling accordingly
|
||
|
|
amount=e.deltaFactor; dur=17;
|
||
|
|
}
|
||
|
|
_scrollTo($this,(contentPos-(dlt*amount)).toString(),{dir:dir,dur:dur});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* checks if iframe can be accessed */
|
||
|
|
_canAccessIFrameCache=new Object(),
|
||
|
|
_canAccessIFrame=function(iframe){
|
||
|
|
var result=false,cacheKey=false,html=null;
|
||
|
|
if(iframe===undefined){
|
||
|
|
cacheKey="#empty";
|
||
|
|
}else if($(iframe).attr("id")!==undefined){
|
||
|
|
cacheKey=$(iframe).attr("id");
|
||
|
|
}
|
||
|
|
if(cacheKey!==false && _canAccessIFrameCache[cacheKey]!==undefined){
|
||
|
|
return _canAccessIFrameCache[cacheKey];
|
||
|
|
}
|
||
|
|
if(!iframe){
|
||
|
|
try{
|
||
|
|
var doc=top.document;
|
||
|
|
html=doc.body.innerHTML;
|
||
|
|
}catch(err){/* do nothing */}
|
||
|
|
result=(html!==null);
|
||
|
|
}else{
|
||
|
|
try{
|
||
|
|
var doc=iframe.contentDocument || iframe.contentWindow.document;
|
||
|
|
html=doc.body.innerHTML;
|
||
|
|
}catch(err){/* do nothing */}
|
||
|
|
result=(html!==null);
|
||
|
|
}
|
||
|
|
if(cacheKey!==false){_canAccessIFrameCache[cacheKey]=result;}
|
||
|
|
return result;
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* switches iframe's pointer-events property (drag, mousewheel etc. over cross-domain iframes) */
|
||
|
|
_iframe=function(evt){
|
||
|
|
var el=this.find("iframe");
|
||
|
|
if(!el.length){return;} /* check if content contains iframes */
|
||
|
|
var val=!evt ? "none" : "auto";
|
||
|
|
el.css("pointer-events",val); /* for IE11, iframe's display property should not be "block" */
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* disables mouse-wheel when hovering specific elements like select, datalist etc. */
|
||
|
|
_disableMousewheel=function(el,target){
|
||
|
|
var tag=target.nodeName.toLowerCase(),
|
||
|
|
tags=el.data(pluginPfx).opt.mouseWheel.disableOver,
|
||
|
|
/* elements that require focus */
|
||
|
|
focusTags=["select","textarea"];
|
||
|
|
return $.inArray(tag,tags) > -1 && !($.inArray(tag,focusTags) > -1 && !$(target).is(":focus"));
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
DRAGGER RAIL CLICK EVENT
|
||
|
|
scrolls content via dragger rail
|
||
|
|
*/
|
||
|
|
_draggerRail=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
wrapper=mCSB_container.parent(),
|
||
|
|
mCSB_draggerContainer=$(".mCSB_"+d.idx+"_scrollbar ."+classes[12]),
|
||
|
|
clickable;
|
||
|
|
mCSB_draggerContainer.bind("mousedown."+namespace+" touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace,function(e){
|
||
|
|
touchActive=true;
|
||
|
|
if(!$(e.target).hasClass("mCSB_dragger")){clickable=1;}
|
||
|
|
}).bind("touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace,function(e){
|
||
|
|
touchActive=false;
|
||
|
|
}).bind("click."+namespace,function(e){
|
||
|
|
if(!clickable){return;}
|
||
|
|
clickable=0;
|
||
|
|
if($(e.target).hasClass(classes[12]) || $(e.target).hasClass("mCSB_draggerRail")){
|
||
|
|
_stop($this);
|
||
|
|
var el=$(this),mCSB_dragger=el.find(".mCSB_dragger");
|
||
|
|
if(el.parent(".mCSB_scrollTools_horizontal").length>0){
|
||
|
|
if(!d.overflowed[1]){return;}
|
||
|
|
var dir="x",
|
||
|
|
clickDir=e.pageX>mCSB_dragger.offset().left ? -1 : 1,
|
||
|
|
to=Math.abs(mCSB_container[0].offsetLeft)-(clickDir*(wrapper.width()*0.9));
|
||
|
|
}else{
|
||
|
|
if(!d.overflowed[0]){return;}
|
||
|
|
var dir="y",
|
||
|
|
clickDir=e.pageY>mCSB_dragger.offset().top ? -1 : 1,
|
||
|
|
to=Math.abs(mCSB_container[0].offsetTop)-(clickDir*(wrapper.height()*0.9));
|
||
|
|
}
|
||
|
|
_scrollTo($this,to.toString(),{dir:dir,scrollEasing:"mcsEaseInOut"});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
FOCUS EVENT
|
||
|
|
scrolls content via element focus (e.g. clicking an input, pressing TAB key etc.)
|
||
|
|
*/
|
||
|
|
_focus=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
wrapper=mCSB_container.parent();
|
||
|
|
mCSB_container.bind("focusin."+namespace,function(e){
|
||
|
|
var el=$(document.activeElement),
|
||
|
|
nested=mCSB_container.find(".mCustomScrollBox").length,
|
||
|
|
dur=0;
|
||
|
|
if(!el.is(o.advanced.autoScrollOnFocus)){return;}
|
||
|
|
_stop($this);
|
||
|
|
clearTimeout($this[0]._focusTimeout);
|
||
|
|
$this[0]._focusTimer=nested ? (dur+17)*nested : 0;
|
||
|
|
$this[0]._focusTimeout=setTimeout(function(){
|
||
|
|
var to=[_childPos(el)[0],_childPos(el)[1]],
|
||
|
|
contentPos=[mCSB_container[0].offsetTop,mCSB_container[0].offsetLeft],
|
||
|
|
isVisible=[
|
||
|
|
(contentPos[0]+to[0]>=0 && contentPos[0]+to[0]<wrapper.height()-el.outerHeight(false)),
|
||
|
|
(contentPos[1]+to[1]>=0 && contentPos[0]+to[1]<wrapper.width()-el.outerWidth(false))
|
||
|
|
],
|
||
|
|
overwrite=(o.axis==="yx" && !isVisible[0] && !isVisible[1]) ? "none" : "all";
|
||
|
|
if(o.axis!=="x" && !isVisible[0]){
|
||
|
|
_scrollTo($this,to[0].toString(),{dir:"y",scrollEasing:"mcsEaseInOut",overwrite:overwrite,dur:dur});
|
||
|
|
}
|
||
|
|
if(o.axis!=="y" && !isVisible[1]){
|
||
|
|
_scrollTo($this,to[1].toString(),{dir:"x",scrollEasing:"mcsEaseInOut",overwrite:overwrite,dur:dur});
|
||
|
|
}
|
||
|
|
},$this[0]._focusTimer);
|
||
|
|
});
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* sets content wrapper scrollTop/scrollLeft always to 0 */
|
||
|
|
_wrapperScroll=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
wrapper=$("#mCSB_"+d.idx+"_container").parent();
|
||
|
|
wrapper.bind("scroll."+namespace,function(e){
|
||
|
|
if(wrapper.scrollTop()!==0 || wrapper.scrollLeft()!==0){
|
||
|
|
$(".mCSB_"+d.idx+"_scrollbar").css("visibility","hidden"); /* hide scrollbar(s) */
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
BUTTONS EVENTS
|
||
|
|
scrolls content via up, down, left and right buttons
|
||
|
|
*/
|
||
|
|
_buttons=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,seq=d.sequential,
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
sel=".mCSB_"+d.idx+"_scrollbar",
|
||
|
|
btn=$(sel+">a");
|
||
|
|
btn.bind("contextmenu."+namespace,function(e){
|
||
|
|
e.preventDefault(); //prevent right click
|
||
|
|
}).bind("mousedown."+namespace+" touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace+" mouseup."+namespace+" touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace+" mouseout."+namespace+" pointerout."+namespace+" MSPointerOut."+namespace+" click."+namespace,function(e){
|
||
|
|
e.preventDefault();
|
||
|
|
if(!_mouseBtnLeft(e)){return;} /* left mouse button only */
|
||
|
|
var btnClass=$(this).attr("class");
|
||
|
|
seq.type=o.scrollButtons.scrollType;
|
||
|
|
switch(e.type){
|
||
|
|
case "mousedown": case "touchstart": case "pointerdown": case "MSPointerDown":
|
||
|
|
if(seq.type==="stepped"){return;}
|
||
|
|
touchActive=true;
|
||
|
|
d.tweenRunning=false;
|
||
|
|
_seq("on",btnClass);
|
||
|
|
break;
|
||
|
|
case "mouseup": case "touchend": case "pointerup": case "MSPointerUp":
|
||
|
|
case "mouseout": case "pointerout": case "MSPointerOut":
|
||
|
|
if(seq.type==="stepped"){return;}
|
||
|
|
touchActive=false;
|
||
|
|
if(seq.dir){_seq("off",btnClass);}
|
||
|
|
break;
|
||
|
|
case "click":
|
||
|
|
if(seq.type!=="stepped" || d.tweenRunning){return;}
|
||
|
|
_seq("on",btnClass);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
function _seq(a,c){
|
||
|
|
seq.scrollAmount=o.scrollButtons.scrollAmount;
|
||
|
|
_sequentialScroll($this,a,c);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
KEYBOARD EVENTS
|
||
|
|
scrolls content via keyboard
|
||
|
|
Keys: up arrow, down arrow, left arrow, right arrow, PgUp, PgDn, Home, End
|
||
|
|
*/
|
||
|
|
_keyboard=function(){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,seq=d.sequential,
|
||
|
|
namespace=pluginPfx+"_"+d.idx,
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
wrapper=mCSB_container.parent(),
|
||
|
|
editables="input,textarea,select,datalist,keygen,[contenteditable='true']",
|
||
|
|
iframe=mCSB_container.find("iframe"),
|
||
|
|
events=["blur."+namespace+" keydown."+namespace+" keyup."+namespace];
|
||
|
|
if(iframe.length){
|
||
|
|
iframe.each(function(){
|
||
|
|
$(this).bind("load",function(){
|
||
|
|
/* bind events on accessible iframes */
|
||
|
|
if(_canAccessIFrame(this)){
|
||
|
|
$(this.contentDocument || this.contentWindow.document).bind(events[0],function(e){
|
||
|
|
_onKeyboard(e);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
mCustomScrollBox.attr("tabindex","0").bind(events[0],function(e){
|
||
|
|
_onKeyboard(e);
|
||
|
|
});
|
||
|
|
function _onKeyboard(e){
|
||
|
|
switch(e.type){
|
||
|
|
case "blur":
|
||
|
|
if(d.tweenRunning && seq.dir){_seq("off",null);}
|
||
|
|
break;
|
||
|
|
case "keydown": case "keyup":
|
||
|
|
var code=e.keyCode ? e.keyCode : e.which,action="on";
|
||
|
|
if((o.axis!=="x" && (code===38 || code===40)) || (o.axis!=="y" && (code===37 || code===39))){
|
||
|
|
/* up (38), down (40), left (37), right (39) arrows */
|
||
|
|
if(((code===38 || code===40) && !d.overflowed[0]) || ((code===37 || code===39) && !d.overflowed[1])){return;}
|
||
|
|
if(e.type==="keyup"){action="off";}
|
||
|
|
if(!$(document.activeElement).is(editables)){
|
||
|
|
e.preventDefault();
|
||
|
|
e.stopImmediatePropagation();
|
||
|
|
_seq(action,code);
|
||
|
|
}
|
||
|
|
}else if(code===33 || code===34){
|
||
|
|
/* PgUp (33), PgDn (34) */
|
||
|
|
if(d.overflowed[0] || d.overflowed[1]){
|
||
|
|
e.preventDefault();
|
||
|
|
e.stopImmediatePropagation();
|
||
|
|
}
|
||
|
|
if(e.type==="keyup"){
|
||
|
|
_stop($this);
|
||
|
|
var keyboardDir=code===34 ? -1 : 1;
|
||
|
|
if(o.axis==="x" || (o.axis==="yx" && d.overflowed[1] && !d.overflowed[0])){
|
||
|
|
var dir="x",to=Math.abs(mCSB_container[0].offsetLeft)-(keyboardDir*(wrapper.width()*0.9));
|
||
|
|
}else{
|
||
|
|
var dir="y",to=Math.abs(mCSB_container[0].offsetTop)-(keyboardDir*(wrapper.height()*0.9));
|
||
|
|
}
|
||
|
|
_scrollTo($this,to.toString(),{dir:dir,scrollEasing:"mcsEaseInOut"});
|
||
|
|
}
|
||
|
|
}else if(code===35 || code===36){
|
||
|
|
/* End (35), Home (36) */
|
||
|
|
if(!$(document.activeElement).is(editables)){
|
||
|
|
if(d.overflowed[0] || d.overflowed[1]){
|
||
|
|
e.preventDefault();
|
||
|
|
e.stopImmediatePropagation();
|
||
|
|
}
|
||
|
|
if(e.type==="keyup"){
|
||
|
|
if(o.axis==="x" || (o.axis==="yx" && d.overflowed[1] && !d.overflowed[0])){
|
||
|
|
var dir="x",to=code===35 ? Math.abs(wrapper.width()-mCSB_container.outerWidth(false)) : 0;
|
||
|
|
}else{
|
||
|
|
var dir="y",to=code===35 ? Math.abs(wrapper.height()-mCSB_container.outerHeight(false)) : 0;
|
||
|
|
}
|
||
|
|
_scrollTo($this,to.toString(),{dir:dir,scrollEasing:"mcsEaseInOut"});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
function _seq(a,c){
|
||
|
|
seq.type=o.keyboard.scrollType;
|
||
|
|
seq.scrollAmount=o.keyboard.scrollAmount;
|
||
|
|
if(seq.type==="stepped" && d.tweenRunning){return;}
|
||
|
|
_sequentialScroll($this,a,c);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* scrolls content sequentially (used when scrolling via buttons, keyboard arrows etc.) */
|
||
|
|
_sequentialScroll=function(el,action,trigger,e,s){
|
||
|
|
var d=el.data(pluginPfx),o=d.opt,seq=d.sequential,
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
once=seq.type==="stepped" ? true : false,
|
||
|
|
steplessSpeed=o.scrollInertia < 26 ? 26 : o.scrollInertia, /* 26/1.5=17 */
|
||
|
|
steppedSpeed=o.scrollInertia < 1 ? 17 : o.scrollInertia;
|
||
|
|
switch(action){
|
||
|
|
case "on":
|
||
|
|
seq.dir=[
|
||
|
|
(trigger===classes[16] || trigger===classes[15] || trigger===39 || trigger===37 ? "x" : "y"),
|
||
|
|
(trigger===classes[13] || trigger===classes[15] || trigger===38 || trigger===37 ? -1 : 1)
|
||
|
|
];
|
||
|
|
_stop(el);
|
||
|
|
if(_isNumeric(trigger) && seq.type==="stepped"){return;}
|
||
|
|
_on(once);
|
||
|
|
break;
|
||
|
|
case "off":
|
||
|
|
_off();
|
||
|
|
if(once || (d.tweenRunning && seq.dir)){
|
||
|
|
_on(true);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* starts sequence */
|
||
|
|
function _on(once){
|
||
|
|
if(o.snapAmount){seq.scrollAmount=!(o.snapAmount instanceof Array) ? o.snapAmount : seq.dir[0]==="x" ? o.snapAmount[1] : o.snapAmount[0];} /* scrolling snapping */
|
||
|
|
var c=seq.type!=="stepped", /* continuous scrolling */
|
||
|
|
t=s ? s : !once ? 1000/60 : c ? steplessSpeed/1.5 : steppedSpeed, /* timer */
|
||
|
|
m=!once ? 2.5 : c ? 7.5 : 40, /* multiplier */
|
||
|
|
contentPos=[Math.abs(mCSB_container[0].offsetTop),Math.abs(mCSB_container[0].offsetLeft)],
|
||
|
|
ratio=[d.scrollRatio.y>10 ? 10 : d.scrollRatio.y,d.scrollRatio.x>10 ? 10 : d.scrollRatio.x],
|
||
|
|
amount=seq.dir[0]==="x" ? contentPos[1]+(seq.dir[1]*(ratio[1]*m)) : contentPos[0]+(seq.dir[1]*(ratio[0]*m)),
|
||
|
|
px=seq.dir[0]==="x" ? contentPos[1]+(seq.dir[1]*parseInt(seq.scrollAmount)) : contentPos[0]+(seq.dir[1]*parseInt(seq.scrollAmount)),
|
||
|
|
to=seq.scrollAmount!=="auto" ? px : amount,
|
||
|
|
easing=e ? e : !once ? "mcsLinear" : c ? "mcsLinearOut" : "mcsEaseInOut",
|
||
|
|
onComplete=!once ? false : true;
|
||
|
|
if(once && t<17){
|
||
|
|
to=seq.dir[0]==="x" ? contentPos[1] : contentPos[0];
|
||
|
|
}
|
||
|
|
_scrollTo(el,to.toString(),{dir:seq.dir[0],scrollEasing:easing,dur:t,onComplete:onComplete});
|
||
|
|
if(once){
|
||
|
|
seq.dir=false;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
clearTimeout(seq.step);
|
||
|
|
seq.step=setTimeout(function(){
|
||
|
|
_on();
|
||
|
|
},t);
|
||
|
|
}
|
||
|
|
/* stops sequence */
|
||
|
|
function _off(){
|
||
|
|
clearTimeout(seq.step);
|
||
|
|
_delete(seq,"step");
|
||
|
|
_stop(el);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* returns a yx array from value */
|
||
|
|
_arr=function(val){
|
||
|
|
var o=$(this).data(pluginPfx).opt,vals=[];
|
||
|
|
if(typeof val==="function"){val=val();} /* check if the value is a single anonymous function */
|
||
|
|
/* check if value is object or array, its length and create an array with yx values */
|
||
|
|
if(!(val instanceof Array)){ /* object value (e.g. {y:"100",x:"100"}, 100 etc.) */
|
||
|
|
vals[0]=val.y ? val.y : val.x || o.axis==="x" ? null : val;
|
||
|
|
vals[1]=val.x ? val.x : val.y || o.axis==="y" ? null : val;
|
||
|
|
}else{ /* array value (e.g. [100,100]) */
|
||
|
|
vals=val.length>1 ? [val[0],val[1]] : o.axis==="x" ? [null,val[0]] : [val[0],null];
|
||
|
|
}
|
||
|
|
/* check if array values are anonymous functions */
|
||
|
|
if(typeof vals[0]==="function"){vals[0]=vals[0]();}
|
||
|
|
if(typeof vals[1]==="function"){vals[1]=vals[1]();}
|
||
|
|
return vals;
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* translates values (e.g. "top", 100, "100px", "#id") to actual scroll-to positions */
|
||
|
|
_to=function(val,dir){
|
||
|
|
if(val==null || typeof val=="undefined"){return;}
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
wrapper=mCSB_container.parent(),
|
||
|
|
t=typeof val;
|
||
|
|
if(!dir){dir=o.axis==="x" ? "x" : "y";}
|
||
|
|
var contentLength=dir==="x" ? mCSB_container.outerWidth(false)-wrapper.width() : mCSB_container.outerHeight(false)-wrapper.height(),
|
||
|
|
contentPos=dir==="x" ? mCSB_container[0].offsetLeft : mCSB_container[0].offsetTop,
|
||
|
|
cssProp=dir==="x" ? "left" : "top";
|
||
|
|
switch(t){
|
||
|
|
case "function": /* this currently is not used. Consider removing it */
|
||
|
|
return val();
|
||
|
|
break;
|
||
|
|
case "object": /* js/jquery object */
|
||
|
|
var obj=val.jquery ? val : $(val);
|
||
|
|
if(!obj.length){return;}
|
||
|
|
return dir==="x" ? _childPos(obj)[1] : _childPos(obj)[0];
|
||
|
|
break;
|
||
|
|
case "string": case "number":
|
||
|
|
if(_isNumeric(val)){ /* numeric value */
|
||
|
|
return Math.abs(val);
|
||
|
|
}else if(val.indexOf("%")!==-1){ /* percentage value */
|
||
|
|
return Math.abs(contentLength*parseInt(val)/100);
|
||
|
|
}else if(val.indexOf("-=")!==-1){ /* decrease value */
|
||
|
|
return Math.abs(contentPos-parseInt(val.split("-=")[1]));
|
||
|
|
}else if(val.indexOf("+=")!==-1){ /* inrease value */
|
||
|
|
var p=(contentPos+parseInt(val.split("+=")[1]));
|
||
|
|
return p>=0 ? 0 : Math.abs(p);
|
||
|
|
}else if(val.indexOf("px")!==-1 && _isNumeric(val.split("px")[0])){ /* pixels string value (e.g. "100px") */
|
||
|
|
return Math.abs(val.split("px")[0]);
|
||
|
|
}else{
|
||
|
|
if(val==="top" || val==="left"){ /* special strings */
|
||
|
|
return 0;
|
||
|
|
}else if(val==="bottom"){
|
||
|
|
return Math.abs(wrapper.height()-mCSB_container.outerHeight(false));
|
||
|
|
}else if(val==="right"){
|
||
|
|
return Math.abs(wrapper.width()-mCSB_container.outerWidth(false));
|
||
|
|
}else if(val==="first" || val==="last"){
|
||
|
|
var obj=mCSB_container.find(":"+val);
|
||
|
|
return dir==="x" ? _childPos(obj)[1] : _childPos(obj)[0];
|
||
|
|
}else{
|
||
|
|
if($(val).length){ /* jquery selector */
|
||
|
|
return dir==="x" ? _childPos($(val))[1] : _childPos($(val))[0];
|
||
|
|
}else{ /* other values (e.g. "100em") */
|
||
|
|
mCSB_container.css(cssProp,val);
|
||
|
|
methods.update.call(null,$this[0]);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* calls the update method automatically */
|
||
|
|
_autoUpdate=function(rem){
|
||
|
|
var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container");
|
||
|
|
if(rem){
|
||
|
|
/*
|
||
|
|
removes autoUpdate timer
|
||
|
|
usage: _autoUpdate.call(this,"remove");
|
||
|
|
*/
|
||
|
|
clearTimeout(mCSB_container[0].autoUpdate);
|
||
|
|
_delete(mCSB_container[0],"autoUpdate");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
upd();
|
||
|
|
function upd(){
|
||
|
|
clearTimeout(mCSB_container[0].autoUpdate);
|
||
|
|
if($this.parents("html").length===0){
|
||
|
|
/* check element in dom tree */
|
||
|
|
$this=null;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
mCSB_container[0].autoUpdate=setTimeout(function(){
|
||
|
|
/* update on specific selector(s) length and size change */
|
||
|
|
if(o.advanced.updateOnSelectorChange){
|
||
|
|
d.poll.change.n=sizesSum();
|
||
|
|
if(d.poll.change.n!==d.poll.change.o){
|
||
|
|
d.poll.change.o=d.poll.change.n;
|
||
|
|
doUpd(3);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/* update on main element and scrollbar size changes */
|
||
|
|
if(o.advanced.updateOnContentResize){
|
||
|
|
d.poll.size.n=$this[0].scrollHeight+$this[0].scrollWidth+mCSB_container[0].offsetHeight+$this[0].offsetHeight+$this[0].offsetWidth;
|
||
|
|
if(d.poll.size.n!==d.poll.size.o){
|
||
|
|
d.poll.size.o=d.poll.size.n;
|
||
|
|
doUpd(1);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/* update on image load */
|
||
|
|
if(o.advanced.updateOnImageLoad){
|
||
|
|
if(!(o.advanced.updateOnImageLoad==="auto" && o.axis==="y")){ //by default, it doesn't run on vertical content
|
||
|
|
d.poll.img.n=mCSB_container.find("img").length;
|
||
|
|
if(d.poll.img.n!==d.poll.img.o){
|
||
|
|
d.poll.img.o=d.poll.img.n;
|
||
|
|
mCSB_container.find("img").each(function(){
|
||
|
|
imgLoader(this);
|
||
|
|
});
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(o.advanced.updateOnSelectorChange || o.advanced.updateOnContentResize || o.advanced.updateOnImageLoad){upd();}
|
||
|
|
},o.advanced.autoUpdateTimeout);
|
||
|
|
}
|
||
|
|
/* a tiny image loader */
|
||
|
|
function imgLoader(el){
|
||
|
|
if($(el).hasClass(classes[2])){doUpd(); return;}
|
||
|
|
var img=new Image();
|
||
|
|
function createDelegate(contextObject,delegateMethod){
|
||
|
|
return function(){return delegateMethod.apply(contextObject,arguments);}
|
||
|
|
}
|
||
|
|
function imgOnLoad(){
|
||
|
|
this.onload=null;
|
||
|
|
$(el).addClass(classes[2]);
|
||
|
|
doUpd(2);
|
||
|
|
}
|
||
|
|
img.onload=createDelegate(img,imgOnLoad);
|
||
|
|
img.src=el.src;
|
||
|
|
}
|
||
|
|
/* returns the total height and width sum of all elements matching the selector */
|
||
|
|
function sizesSum(){
|
||
|
|
if(o.advanced.updateOnSelectorChange===true){o.advanced.updateOnSelectorChange="*";}
|
||
|
|
var total=0,sel=mCSB_container.find(o.advanced.updateOnSelectorChange);
|
||
|
|
if(o.advanced.updateOnSelectorChange && sel.length>0){sel.each(function(){total+=this.offsetHeight+this.offsetWidth;});}
|
||
|
|
return total;
|
||
|
|
}
|
||
|
|
/* calls the update method */
|
||
|
|
function doUpd(cb){
|
||
|
|
clearTimeout(mCSB_container[0].autoUpdate);
|
||
|
|
methods.update.call(null,$this[0],cb);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* snaps scrolling to a multiple of a pixels number */
|
||
|
|
_snapAmount=function(to,amount,offset){
|
||
|
|
return (Math.round(to/amount)*amount-offset);
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* stops content and scrollbar animations */
|
||
|
|
_stop=function(el){
|
||
|
|
var d=el.data(pluginPfx),
|
||
|
|
sel=$("#mCSB_"+d.idx+"_container,#mCSB_"+d.idx+"_container_wrapper,#mCSB_"+d.idx+"_dragger_vertical,#mCSB_"+d.idx+"_dragger_horizontal");
|
||
|
|
sel.each(function(){
|
||
|
|
_stopTween.call(this);
|
||
|
|
});
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
ANIMATES CONTENT
|
||
|
|
This is where the actual scrolling happens
|
||
|
|
*/
|
||
|
|
_scrollTo=function(el,to,options){
|
||
|
|
var d=el.data(pluginPfx),o=d.opt,
|
||
|
|
defaults={
|
||
|
|
trigger:"internal",
|
||
|
|
dir:"y",
|
||
|
|
scrollEasing:"mcsEaseOut",
|
||
|
|
drag:false,
|
||
|
|
dur:o.scrollInertia,
|
||
|
|
overwrite:"all",
|
||
|
|
callbacks:true,
|
||
|
|
onStart:true,
|
||
|
|
onUpdate:true,
|
||
|
|
onComplete:true
|
||
|
|
},
|
||
|
|
options=$.extend(defaults,options),
|
||
|
|
dur=[options.dur,(options.drag ? 0 : options.dur)],
|
||
|
|
mCustomScrollBox=$("#mCSB_"+d.idx),
|
||
|
|
mCSB_container=$("#mCSB_"+d.idx+"_container"),
|
||
|
|
wrapper=mCSB_container.parent(),
|
||
|
|
totalScrollOffsets=o.callbacks.onTotalScrollOffset ? _arr.call(el,o.callbacks.onTotalScrollOffset) : [0,0],
|
||
|
|
totalScrollBackOffsets=o.callbacks.onTotalScrollBackOffset ? _arr.call(el,o.callbacks.onTotalScrollBackOffset) : [0,0];
|
||
|
|
d.trigger=options.trigger;
|
||
|
|
if(wrapper.scrollTop()!==0 || wrapper.scrollLeft()!==0){ /* always reset scrollTop/Left */
|
||
|
|
$(".mCSB_"+d.idx+"_scrollbar").css("visibility","visible");
|
||
|
|
wrapper.scrollTop(0).scrollLeft(0);
|
||
|
|
}
|
||
|
|
if(to==="_resetY" && !d.contentReset.y){
|
||
|
|
/* callbacks: onOverflowYNone */
|
||
|
|
if(_cb("onOverflowYNone")){o.callbacks.onOverflowYNone.call(el[0]);}
|
||
|
|
d.contentReset.y=1;
|
||
|
|
}
|
||
|
|
if(to==="_resetX" && !d.contentReset.x){
|
||
|
|
/* callbacks: onOverflowXNone */
|
||
|
|
if(_cb("onOverflowXNone")){o.callbacks.onOverflowXNone.call(el[0]);}
|
||
|
|
d.contentReset.x=1;
|
||
|
|
}
|
||
|
|
if(to==="_resetY" || to==="_resetX"){return;}
|
||
|
|
if((d.contentReset.y || !el[0].mcs) && d.overflowed[0]){
|
||
|
|
/* callbacks: onOverflowY */
|
||
|
|
if(_cb("onOverflowY")){o.callbacks.onOverflowY.call(el[0]);}
|
||
|
|
d.contentReset.x=null;
|
||
|
|
}
|
||
|
|
if((d.contentReset.x || !el[0].mcs) && d.overflowed[1]){
|
||
|
|
/* callbacks: onOverflowX */
|
||
|
|
if(_cb("onOverflowX")){o.callbacks.onOverflowX.call(el[0]);}
|
||
|
|
d.contentReset.x=null;
|
||
|
|
}
|
||
|
|
if(o.snapAmount){ /* scrolling snapping */
|
||
|
|
var snapAmount=!(o.snapAmount instanceof Array) ? o.snapAmount : options.dir==="x" ? o.snapAmount[1] : o.snapAmount[0];
|
||
|
|
to=_snapAmount(to,snapAmount,o.snapOffset);
|
||
|
|
}
|
||
|
|
switch(options.dir){
|
||
|
|
case "x":
|
||
|
|
var mCSB_dragger=$("#mCSB_"+d.idx+"_dragger_horizontal"),
|
||
|
|
property="left",
|
||
|
|
contentPos=mCSB_container[0].offsetLeft,
|
||
|
|
limit=[
|
||
|
|
mCustomScrollBox.width()-mCSB_container.outerWidth(false),
|
||
|
|
mCSB_dragger.parent().width()-mCSB_dragger.width()
|
||
|
|
],
|
||
|
|
scrollTo=[to,to===0 ? 0 : (to/d.scrollRatio.x)],
|
||
|
|
tso=totalScrollOffsets[1],
|
||
|
|
tsbo=totalScrollBackOffsets[1],
|
||
|
|
totalScrollOffset=tso>0 ? tso/d.scrollRatio.x : 0,
|
||
|
|
totalScrollBackOffset=tsbo>0 ? tsbo/d.scrollRatio.x : 0;
|
||
|
|
break;
|
||
|
|
case "y":
|
||
|
|
var mCSB_dragger=$("#mCSB_"+d.idx+"_dragger_vertical"),
|
||
|
|
property="top",
|
||
|
|
contentPos=mCSB_container[0].offsetTop,
|
||
|
|
limit=[
|
||
|
|
mCustomScrollBox.height()-mCSB_container.outerHeight(false),
|
||
|
|
mCSB_dragger.parent().height()-mCSB_dragger.height()
|
||
|
|
],
|
||
|
|
scrollTo=[to,to===0 ? 0 : (to/d.scrollRatio.y)],
|
||
|
|
tso=totalScrollOffsets[0],
|
||
|
|
tsbo=totalScrollBackOffsets[0],
|
||
|
|
totalScrollOffset=tso>0 ? tso/d.scrollRatio.y : 0,
|
||
|
|
totalScrollBackOffset=tsbo>0 ? tsbo/d.scrollRatio.y : 0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if(scrollTo[1]<0 || (scrollTo[0]===0 && scrollTo[1]===0)){
|
||
|
|
scrollTo=[0,0];
|
||
|
|
}else if(scrollTo[1]>=limit[1]){
|
||
|
|
scrollTo=[limit[0],limit[1]];
|
||
|
|
}else{
|
||
|
|
scrollTo[0]=-scrollTo[0];
|
||
|
|
}
|
||
|
|
if(!el[0].mcs){
|
||
|
|
_mcs(); /* init mcs object (once) to make it available before callbacks */
|
||
|
|
if(_cb("onInit")){o.callbacks.onInit.call(el[0]);} /* callbacks: onInit */
|
||
|
|
}
|
||
|
|
clearTimeout(mCSB_container[0].onCompleteTimeout);
|
||
|
|
_tweenTo(mCSB_dragger[0],property,Math.round(scrollTo[1]),dur[1],options.scrollEasing);
|
||
|
|
if(!d.tweenRunning && ((contentPos===0 && scrollTo[0]>=0) || (contentPos===limit[0] && scrollTo[0]<=limit[0]))){return;}
|
||
|
|
_tweenTo(mCSB_container[0],property,Math.round(scrollTo[0]),dur[0],options.scrollEasing,options.overwrite,{
|
||
|
|
onStart:function(){
|
||
|
|
if(options.callbacks && options.onStart && !d.tweenRunning){
|
||
|
|
/* callbacks: onScrollStart */
|
||
|
|
if(_cb("onScrollStart")){_mcs(); o.callbacks.onScrollStart.call(el[0]);}
|
||
|
|
d.tweenRunning=true;
|
||
|
|
_onDragClasses(mCSB_dragger);
|
||
|
|
d.cbOffsets=_cbOffsets();
|
||
|
|
}
|
||
|
|
},onUpdate:function(){
|
||
|
|
if(options.callbacks && options.onUpdate){
|
||
|
|
/* callbacks: whileScrolling */
|
||
|
|
if(_cb("whileScrolling")){_mcs(); o.callbacks.whileScrolling.call(el[0]);}
|
||
|
|
}
|
||
|
|
},onComplete:function(){
|
||
|
|
if(options.callbacks && options.onComplete){
|
||
|
|
if(o.axis==="yx"){clearTimeout(mCSB_container[0].onCompleteTimeout);}
|
||
|
|
var t=mCSB_container[0].idleTimer || 0;
|
||
|
|
mCSB_container[0].onCompleteTimeout=setTimeout(function(){
|
||
|
|
/* callbacks: onScroll, onTotalScroll, onTotalScrollBack */
|
||
|
|
if(_cb("onScroll")){_mcs(); o.callbacks.onScroll.call(el[0]);}
|
||
|
|
if(_cb("onTotalScroll") && scrollTo[1]>=limit[1]-totalScrollOffset && d.cbOffsets[0]){_mcs(); o.callbacks.onTotalScroll.call(el[0]);}
|
||
|
|
if(_cb("onTotalScrollBack") && scrollTo[1]<=totalScrollBackOffset && d.cbOffsets[1]){_mcs(); o.callbacks.onTotalScrollBack.call(el[0]);}
|
||
|
|
d.tweenRunning=false;
|
||
|
|
mCSB_container[0].idleTimer=0;
|
||
|
|
_onDragClasses(mCSB_dragger,"hide");
|
||
|
|
},t);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
/* checks if callback function exists */
|
||
|
|
function _cb(cb){
|
||
|
|
return d && o.callbacks[cb] && typeof o.callbacks[cb]==="function";
|
||
|
|
}
|
||
|
|
/* checks whether callback offsets always trigger */
|
||
|
|
function _cbOffsets(){
|
||
|
|
return [o.callbacks.alwaysTriggerOffsets || contentPos>=limit[0]+tso,o.callbacks.alwaysTriggerOffsets || contentPos<=-tsbo];
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
populates object with useful values for the user
|
||
|
|
values:
|
||
|
|
content: this.mcs.content
|
||
|
|
content top position: this.mcs.top
|
||
|
|
content left position: this.mcs.left
|
||
|
|
dragger top position: this.mcs.draggerTop
|
||
|
|
dragger left position: this.mcs.draggerLeft
|
||
|
|
scrolling y percentage: this.mcs.topPct
|
||
|
|
scrolling x percentage: this.mcs.leftPct
|
||
|
|
scrolling direction: this.mcs.direction
|
||
|
|
*/
|
||
|
|
function _mcs(){
|
||
|
|
var cp=[mCSB_container[0].offsetTop,mCSB_container[0].offsetLeft], /* content position */
|
||
|
|
dp=[mCSB_dragger[0].offsetTop,mCSB_dragger[0].offsetLeft], /* dragger position */
|
||
|
|
cl=[mCSB_container.outerHeight(false),mCSB_container.outerWidth(false)], /* content length */
|
||
|
|
pl=[mCustomScrollBox.height(),mCustomScrollBox.width()]; /* content parent length */
|
||
|
|
el[0].mcs={
|
||
|
|
content:mCSB_container, /* original content wrapper as jquery object */
|
||
|
|
top:cp[0],left:cp[1],draggerTop:dp[0],draggerLeft:dp[1],
|
||
|
|
topPct:Math.round((100*Math.abs(cp[0]))/(Math.abs(cl[0])-pl[0])),leftPct:Math.round((100*Math.abs(cp[1]))/(Math.abs(cl[1])-pl[1])),
|
||
|
|
direction:options.dir
|
||
|
|
};
|
||
|
|
/*
|
||
|
|
this refers to the original element containing the scrollbar(s)
|
||
|
|
usage: this.mcs.top, this.mcs.leftPct etc.
|
||
|
|
*/
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
CUSTOM JAVASCRIPT ANIMATION TWEEN
|
||
|
|
Lighter and faster than jquery animate() and css transitions
|
||
|
|
Animates top/left properties and includes easings
|
||
|
|
*/
|
||
|
|
_tweenTo=function(el,prop,to,duration,easing,overwrite,callbacks){
|
||
|
|
if(!el._mTween){el._mTween={top:{},left:{}};}
|
||
|
|
var callbacks=callbacks || {},
|
||
|
|
onStart=callbacks.onStart || function(){},onUpdate=callbacks.onUpdate || function(){},onComplete=callbacks.onComplete || function(){},
|
||
|
|
startTime=_getTime(),_delay,progress=0,from=el.offsetTop,elStyle=el.style,_request,tobj=el._mTween[prop];
|
||
|
|
if(prop==="left"){from=el.offsetLeft;}
|
||
|
|
var diff=to-from;
|
||
|
|
tobj.stop=0;
|
||
|
|
if(overwrite!=="none"){_cancelTween();}
|
||
|
|
_startTween();
|
||
|
|
function _step(){
|
||
|
|
if(tobj.stop){return;}
|
||
|
|
if(!progress){onStart.call();}
|
||
|
|
progress=_getTime()-startTime;
|
||
|
|
_tween();
|
||
|
|
if(progress>=tobj.time){
|
||
|
|
tobj.time=(progress>tobj.time) ? progress+_delay-(progress-tobj.time) : progress+_delay-1;
|
||
|
|
if(tobj.time<progress+1){tobj.time=progress+1;}
|
||
|
|
}
|
||
|
|
if(tobj.time<duration){tobj.id=_request(_step);}else{onComplete.call();}
|
||
|
|
}
|
||
|
|
function _tween(){
|
||
|
|
if(duration>0){
|
||
|
|
tobj.currVal=_ease(tobj.time,from,diff,duration,easing);
|
||
|
|
elStyle[prop]=Math.round(tobj.currVal)+"px";
|
||
|
|
}else{
|
||
|
|
elStyle[prop]=to+"px";
|
||
|
|
}
|
||
|
|
onUpdate.call();
|
||
|
|
}
|
||
|
|
function _startTween(){
|
||
|
|
_delay=1000/60;
|
||
|
|
tobj.time=progress+_delay;
|
||
|
|
_request=(!window.requestAnimationFrame) ? function(f){_tween(); return setTimeout(f,0.01);} : window.requestAnimationFrame;
|
||
|
|
tobj.id=_request(_step);
|
||
|
|
}
|
||
|
|
function _cancelTween(){
|
||
|
|
if(tobj.id==null){return;}
|
||
|
|
if(!window.requestAnimationFrame){clearTimeout(tobj.id);
|
||
|
|
}else{window.cancelAnimationFrame(tobj.id);}
|
||
|
|
tobj.id=null;
|
||
|
|
}
|
||
|
|
function _ease(t,b,c,d,type){
|
||
|
|
switch(type){
|
||
|
|
case "linear": case "mcsLinear":
|
||
|
|
return c*t/d + b;
|
||
|
|
break;
|
||
|
|
case "mcsLinearOut":
|
||
|
|
t/=d; t--; return c * Math.sqrt(1 - t*t) + b;
|
||
|
|
break;
|
||
|
|
case "easeInOutSmooth":
|
||
|
|
t/=d/2;
|
||
|
|
if(t<1) return c/2*t*t + b;
|
||
|
|
t--;
|
||
|
|
return -c/2 * (t*(t-2) - 1) + b;
|
||
|
|
break;
|
||
|
|
case "easeInOutStrong":
|
||
|
|
t/=d/2;
|
||
|
|
if(t<1) return c/2 * Math.pow( 2, 10 * (t - 1) ) + b;
|
||
|
|
t--;
|
||
|
|
return c/2 * ( -Math.pow( 2, -10 * t) + 2 ) + b;
|
||
|
|
break;
|
||
|
|
case "easeInOut": case "mcsEaseInOut":
|
||
|
|
t/=d/2;
|
||
|
|
if(t<1) return c/2*t*t*t + b;
|
||
|
|
t-=2;
|
||
|
|
return c/2*(t*t*t + 2) + b;
|
||
|
|
break;
|
||
|
|
case "easeOutSmooth":
|
||
|
|
t/=d; t--;
|
||
|
|
return -c * (t*t*t*t - 1) + b;
|
||
|
|
break;
|
||
|
|
case "easeOutStrong":
|
||
|
|
return c * ( -Math.pow( 2, -10 * t/d ) + 1 ) + b;
|
||
|
|
break;
|
||
|
|
case "easeOut": case "mcsEaseOut": default:
|
||
|
|
var ts=(t/=d)*t,tc=ts*t;
|
||
|
|
return b+c*(0.499999999999997*tc*ts + -2.5*ts*ts + 5.5*tc + -6.5*ts + 4*t);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* returns current time */
|
||
|
|
_getTime=function(){
|
||
|
|
if(window.performance && window.performance.now){
|
||
|
|
return window.performance.now();
|
||
|
|
}else{
|
||
|
|
if(window.performance && window.performance.webkitNow){
|
||
|
|
return window.performance.webkitNow();
|
||
|
|
}else{
|
||
|
|
if(Date.now){return Date.now();}else{return new Date().getTime();}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* stops a tween */
|
||
|
|
_stopTween=function(){
|
||
|
|
var el=this;
|
||
|
|
if(!el._mTween){el._mTween={top:{},left:{}};}
|
||
|
|
var props=["top","left"];
|
||
|
|
for(var i=0; i<props.length; i++){
|
||
|
|
var prop=props[i];
|
||
|
|
if(el._mTween[prop].id){
|
||
|
|
if(!window.requestAnimationFrame){clearTimeout(el._mTween[prop].id);
|
||
|
|
}else{window.cancelAnimationFrame(el._mTween[prop].id);}
|
||
|
|
el._mTween[prop].id=null;
|
||
|
|
el._mTween[prop].stop=1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* deletes a property (avoiding the exception thrown by IE) */
|
||
|
|
_delete=function(c,m){
|
||
|
|
try{delete c[m];}catch(e){c[m]=null;}
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* detects left mouse button */
|
||
|
|
_mouseBtnLeft=function(e){
|
||
|
|
return !(e.which && e.which!==1);
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* detects if pointer type event is touch */
|
||
|
|
_pointerTouch=function(e){
|
||
|
|
var t=e.originalEvent.pointerType;
|
||
|
|
return !(t && t!=="touch" && t!==2);
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* checks if value is numeric */
|
||
|
|
_isNumeric=function(val){
|
||
|
|
return !isNaN(parseFloat(val)) && isFinite(val);
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* returns element position according to content */
|
||
|
|
_childPos=function(el){
|
||
|
|
var p=el.parents(".mCSB_container");
|
||
|
|
return [el.offset().top-p.offset().top,el.offset().left-p.offset().left];
|
||
|
|
},
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
/* checks if browser tab is hidden/inactive via Page Visibility API */
|
||
|
|
_isTabHidden=function(){
|
||
|
|
var prop=_getHiddenProp();
|
||
|
|
if(!prop) return false;
|
||
|
|
return document[prop];
|
||
|
|
function _getHiddenProp(){
|
||
|
|
var pfx=["webkit","moz","ms","o"];
|
||
|
|
if("hidden" in document) return "hidden"; //natively supported
|
||
|
|
for(var i=0; i<pfx.length; i++){ //prefixed
|
||
|
|
if((pfx[i]+"Hidden") in document)
|
||
|
|
return pfx[i]+"Hidden";
|
||
|
|
}
|
||
|
|
return null; //not supported
|
||
|
|
}
|
||
|
|
};
|
||
|
|
/* -------------------- */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
----------------------------------------
|
||
|
|
PLUGIN SETUP
|
||
|
|
----------------------------------------
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* plugin constructor functions */
|
||
|
|
$.fn[pluginNS]=function(method){ /* usage: $(selector).mCustomScrollbar(); */
|
||
|
|
if(methods[method]){
|
||
|
|
return methods[method].apply(this,Array.prototype.slice.call(arguments,1));
|
||
|
|
}else if(typeof method==="object" || !method){
|
||
|
|
return methods.init.apply(this,arguments);
|
||
|
|
}else{
|
||
|
|
$.error("Method "+method+" does not exist");
|
||
|
|
}
|
||
|
|
};
|
||
|
|
$[pluginNS]=function(method){ /* usage: $.mCustomScrollbar(); */
|
||
|
|
if(methods[method]){
|
||
|
|
return methods[method].apply(this,Array.prototype.slice.call(arguments,1));
|
||
|
|
}else if(typeof method==="object" || !method){
|
||
|
|
return methods.init.apply(this,arguments);
|
||
|
|
}else{
|
||
|
|
$.error("Method "+method+" does not exist");
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
allow setting plugin default options.
|
||
|
|
usage: $.mCustomScrollbar.defaults.scrollInertia=500;
|
||
|
|
to apply any changed default options on default selectors (below), use inside document ready fn
|
||
|
|
e.g.: $(document).ready(function(){ $.mCustomScrollbar.defaults.scrollInertia=500; });
|
||
|
|
*/
|
||
|
|
$[pluginNS].defaults=defaults;
|
||
|
|
|
||
|
|
/*
|
||
|
|
add window object (window.mCustomScrollbar)
|
||
|
|
usage: if(window.mCustomScrollbar){console.log("custom scrollbar plugin loaded");}
|
||
|
|
*/
|
||
|
|
window[pluginNS]=true;
|
||
|
|
|
||
|
|
$(window).bind("load",function(){
|
||
|
|
|
||
|
|
$(defaultSelector)[pluginNS](); /* add scrollbars automatically on default selector */
|
||
|
|
|
||
|
|
/* extend jQuery expressions */
|
||
|
|
$.extend($.expr[":"],{
|
||
|
|
/* checks if element is within scrollable viewport */
|
||
|
|
mcsInView:$.expr[":"].mcsInView || function(el){
|
||
|
|
var $el=$(el),content=$el.parents(".mCSB_container"),wrapper,cPos;
|
||
|
|
if(!content.length){return;}
|
||
|
|
wrapper=content.parent();
|
||
|
|
cPos=[content[0].offsetTop,content[0].offsetLeft];
|
||
|
|
return cPos[0]+_childPos($el)[0]>=0 && cPos[0]+_childPos($el)[0]<wrapper.height()-$el.outerHeight(false) &&
|
||
|
|
cPos[1]+_childPos($el)[1]>=0 && cPos[1]+_childPos($el)[1]<wrapper.width()-$el.outerWidth(false);
|
||
|
|
},
|
||
|
|
/* checks if element or part of element is in view of scrollable viewport */
|
||
|
|
mcsInSight:$.expr[":"].mcsInSight || function(el,i,m){
|
||
|
|
var $el=$(el),elD,content=$el.parents(".mCSB_container"),wrapperView,pos,wrapperViewPct,
|
||
|
|
pctVals=m[3]==="exact" ? [[1,0],[1,0]] : [[0.9,0.1],[0.6,0.4]];
|
||
|
|
if(!content.length){return;}
|
||
|
|
elD=[$el.outerHeight(false),$el.outerWidth(false)];
|
||
|
|
pos=[content[0].offsetTop+_childPos($el)[0],content[0].offsetLeft+_childPos($el)[1]];
|
||
|
|
wrapperView=[content.parent()[0].offsetHeight,content.parent()[0].offsetWidth];
|
||
|
|
wrapperViewPct=[elD[0]<wrapperView[0] ? pctVals[0] : pctVals[1],elD[1]<wrapperView[1] ? pctVals[0] : pctVals[1]];
|
||
|
|
return pos[0]-(wrapperView[0]*wrapperViewPct[0][0])<0 && pos[0]+elD[0]-(wrapperView[0]*wrapperViewPct[0][1])>=0 &&
|
||
|
|
pos[1]-(wrapperView[1]*wrapperViewPct[1][0])<0 && pos[1]+elD[1]-(wrapperView[1]*wrapperViewPct[1][1])>=0;
|
||
|
|
},
|
||
|
|
/* checks if element is overflowed having visible scrollbar(s) */
|
||
|
|
mcsOverflow:$.expr[":"].mcsOverflow || function(el){
|
||
|
|
var d=$(el).data(pluginPfx);
|
||
|
|
if(!d){return;}
|
||
|
|
return d.overflowed[0] || d.overflowed[1];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
}))}));
|