3721 lines
117 KiB
JavaScript
3721 lines
117 KiB
JavaScript
/* jquery.nicescroll
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-- version 3.7.6
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-- copyright 2017-07-19 InuYaksa*2017
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-- licensed under the MIT
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--
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-- https://nicescroll.areaaperta.com/
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-- https://github.com/inuyaksa/jquery.nicescroll
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--
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*/
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/* jshint expr: true */
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(function (factory) {
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if (typeof define === 'function' && define.amd) {
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// AMD. Register as anonymous module.
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define(['jquery'], factory);
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} else if (typeof exports === 'object') {
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// Node/CommonJS.
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module.exports = factory(require('jquery'));
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} else {
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// Browser globals.
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factory(jQuery);
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}
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}(function (jQuery) {
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"use strict";
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// globals
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var domfocus = false,
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mousefocus = false,
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tabindexcounter = 0,
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ascrailcounter = 2000,
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globalmaxzindex = 0;
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var $ = jQuery, // sandbox
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_doc = document,
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_win = window,
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$window = $(_win);
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var delegatevents = [];
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// http://stackoverflow.com/questions/2161159/get-script-path
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function getScriptPath() {
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var scripts = _doc.currentScript || (function () { var s = _doc.getElementsByTagName('script'); return (s.length) ? s[s.length - 1] : false; })();
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var path = scripts ? scripts.src.split('?')[0] : '';
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return (path.split('/').length > 0) ? path.split('/').slice(0, -1).join('/') + '/' : '';
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}
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// based on code by Paul Irish https://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
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var setAnimationFrame = _win.requestAnimationFrame || _win.webkitRequestAnimationFrame || _win.mozRequestAnimationFrame || false;
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var clearAnimationFrame = _win.cancelAnimationFrame || _win.webkitCancelAnimationFrame || _win.mozCancelAnimationFrame || false;
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if (!setAnimationFrame) {
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var anilasttime = 0;
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setAnimationFrame = function (callback, element) {
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var currTime = new Date().getTime();
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var timeToCall = Math.max(0, 16 - (currTime - anilasttime));
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var id = _win.setTimeout(function () { callback(currTime + timeToCall); },
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timeToCall);
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anilasttime = currTime + timeToCall;
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return id;
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};
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clearAnimationFrame = function (id) {
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_win.clearTimeout(id);
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};
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} else {
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if (!_win.cancelAnimationFrame) clearAnimationFrame = function (id) { };
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}
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var ClsMutationObserver = _win.MutationObserver || _win.WebKitMutationObserver || false;
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var now = Date.now || function () { return new Date().getTime(); };
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var _globaloptions = {
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zindex: "auto",
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cursoropacitymin: 0,
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cursoropacitymax: 1,
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cursorcolor: "#424242",
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cursorwidth: "6px",
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cursorborder: "1px solid #fff",
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cursorborderradius: "5px",
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scrollspeed: 40,
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mousescrollstep: 9 * 3,
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touchbehavior: false, // deprecated
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emulatetouch: false, // replacing touchbehavior
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hwacceleration: true,
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usetransition: true,
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boxzoom: false,
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dblclickzoom: true,
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gesturezoom: true,
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grabcursorenabled: true,
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autohidemode: true,
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background: "",
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iframeautoresize: true,
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cursorminheight: 32,
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preservenativescrolling: true,
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railoffset: false,
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railhoffset: false,
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bouncescroll: true,
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spacebarenabled: true,
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railpadding: {
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top: 0,
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right: 0,
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left: 0,
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bottom: 0
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},
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disableoutline: true,
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horizrailenabled: true,
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railalign: "right",
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railvalign: "bottom",
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enabletranslate3d: true,
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enablemousewheel: true,
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enablekeyboard: true,
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smoothscroll: true,
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sensitiverail: true,
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enablemouselockapi: true,
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// cursormaxheight:false,
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cursorfixedheight: false,
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directionlockdeadzone: 6,
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hidecursordelay: 400,
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nativeparentscrolling: true,
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enablescrollonselection: true,
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overflowx: true,
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overflowy: true,
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cursordragspeed: 0.3,
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rtlmode: "auto",
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cursordragontouch: false,
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oneaxismousemode: "auto",
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scriptpath: getScriptPath(),
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preventmultitouchscrolling: true,
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disablemutationobserver: false,
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enableobserver: true,
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scrollbarid: false
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};
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var browserdetected = false;
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var getBrowserDetection = function () {
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if (browserdetected) return browserdetected;
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var _el = _doc.createElement('DIV'),
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_style = _el.style,
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_agent = navigator.userAgent,
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_platform = navigator.platform,
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d = {};
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d.haspointerlock = "pointerLockElement" in _doc || "webkitPointerLockElement" in _doc || "mozPointerLockElement" in _doc;
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d.isopera = ("opera" in _win); // 12-
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d.isopera12 = (d.isopera && ("getUserMedia" in navigator));
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d.isoperamini = (Object.prototype.toString.call(_win.operamini) === "[object OperaMini]");
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d.isie = (("all" in _doc) && ("attachEvent" in _el) && !d.isopera); //IE10-
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d.isieold = (d.isie && !("msInterpolationMode" in _style)); // IE6 and older
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d.isie7 = d.isie && !d.isieold && (!("documentMode" in _doc) || (_doc.documentMode === 7));
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d.isie8 = d.isie && ("documentMode" in _doc) && (_doc.documentMode === 8);
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d.isie9 = d.isie && ("performance" in _win) && (_doc.documentMode === 9);
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d.isie10 = d.isie && ("performance" in _win) && (_doc.documentMode === 10);
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d.isie11 = ("msRequestFullscreen" in _el) && (_doc.documentMode >= 11); // IE11+
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d.ismsedge = ("msCredentials" in _win); // MS Edge 14+
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d.ismozilla = ("MozAppearance" in _style);
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d.iswebkit = !d.ismsedge && ("WebkitAppearance" in _style);
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d.ischrome = d.iswebkit && ("chrome" in _win);
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d.ischrome38 = (d.ischrome && ("touchAction" in _style)); // behavior changed in touch emulation
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d.ischrome22 = (!d.ischrome38) && (d.ischrome && d.haspointerlock);
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d.ischrome26 = (!d.ischrome38) && (d.ischrome && ("transition" in _style)); // issue with transform detection (maintain prefix)
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d.cantouch = ("ontouchstart" in _doc.documentElement) || ("ontouchstart" in _win); // with detection for Chrome Touch Emulation
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d.hasw3ctouch = (_win.PointerEvent || false) && ((navigator.maxTouchPoints > 0) || (navigator.msMaxTouchPoints > 0)); //IE11 pointer events, following W3C Pointer Events spec
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d.hasmstouch = (!d.hasw3ctouch) && (_win.MSPointerEvent || false); // IE10 pointer events
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d.ismac = /^mac$/i.test(_platform);
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d.isios = d.cantouch && /iphone|ipad|ipod/i.test(_platform);
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d.isios4 = d.isios && !("seal" in Object);
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d.isios7 = d.isios && ("webkitHidden" in _doc); //iOS 7+
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d.isios8 = d.isios && ("hidden" in _doc); //iOS 8+
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d.isios10 = d.isios && _win.Proxy; //iOS 10+
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d.isandroid = (/android/i.test(_agent));
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d.haseventlistener = ("addEventListener" in _el);
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d.trstyle = false;
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d.hastransform = false;
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d.hastranslate3d = false;
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d.transitionstyle = false;
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d.hastransition = false;
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d.transitionend = false;
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d.trstyle = "transform";
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d.hastransform = ("transform" in _style) || (function () {
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var check = ['msTransform', 'webkitTransform', 'MozTransform', 'OTransform'];
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for (var a = 0, c = check.length; a < c; a++) {
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if (_style[check[a]] !== undefined) {
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d.trstyle = check[a];
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break;
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}
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}
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d.hastransform = (!!d.trstyle);
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})();
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if (d.hastransform) {
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_style[d.trstyle] = "translate3d(1px,2px,3px)";
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d.hastranslate3d = /translate3d/.test(_style[d.trstyle]);
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}
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d.transitionstyle = "transition";
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d.prefixstyle = '';
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d.transitionend = "transitionend";
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d.hastransition = ("transition" in _style) || (function () {
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d.transitionend = false;
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var check = ['webkitTransition', 'msTransition', 'MozTransition', 'OTransition', 'OTransition', 'KhtmlTransition'];
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var prefix = ['-webkit-', '-ms-', '-moz-', '-o-', '-o', '-khtml-'];
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var evs = ['webkitTransitionEnd', 'msTransitionEnd', 'transitionend', 'otransitionend', 'oTransitionEnd', 'KhtmlTransitionEnd'];
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for (var a = 0, c = check.length; a < c; a++) {
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if (check[a] in _style) {
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d.transitionstyle = check[a];
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d.prefixstyle = prefix[a];
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d.transitionend = evs[a];
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break;
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}
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}
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if (d.ischrome26) d.prefixstyle = prefix[1]; // always use prefix
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d.hastransition = (d.transitionstyle);
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})();
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function detectCursorGrab() {
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var lst = ['grab', '-webkit-grab', '-moz-grab'];
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if ((d.ischrome && !d.ischrome38) || d.isie) lst = []; // force setting for IE returns false positive and chrome cursor bug
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for (var a = 0, l = lst.length; a < l; a++) {
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var p = lst[a];
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_style.cursor = p;
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if (_style.cursor == p) return p;
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}
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return 'url(https://cdnjs.cloudflare.com/ajax/libs/slider-pro/1.3.0/css/images/openhand.cur),n-resize'; // thanks to https://cdnjs.com/ for the openhand cursor!
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}
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d.cursorgrabvalue = detectCursorGrab();
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d.hasmousecapture = ("setCapture" in _el);
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d.hasMutationObserver = (ClsMutationObserver !== false);
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_el = null; //memory released
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browserdetected = d;
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return d;
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};
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var NiceScrollClass = function (myopt, me) {
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var self = this;
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this.version = '3.7.6';
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this.name = 'nicescroll';
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this.me = me;
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var $body = $("body");
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var opt = this.opt = {
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doc: $body,
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win: false
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};
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$.extend(opt, _globaloptions); // clone opts
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// Options for internal use
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opt.snapbackspeed = 80;
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if (myopt || false) {
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for (var a in opt) {
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if (myopt[a] !== undefined) opt[a] = myopt[a];
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}
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}
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if (opt.disablemutationobserver) ClsMutationObserver = false;
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this.doc = opt.doc;
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this.iddoc = (this.doc && this.doc[0]) ? this.doc[0].id || '' : '';
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this.ispage = /^BODY|HTML/.test((opt.win) ? opt.win[0].nodeName : this.doc[0].nodeName);
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this.haswrapper = (opt.win !== false);
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this.win = opt.win || (this.ispage ? $window : this.doc);
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this.docscroll = (this.ispage && !this.haswrapper) ? $window : this.win;
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this.body = $body;
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this.viewport = false;
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this.isfixed = false;
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this.iframe = false;
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this.isiframe = ((this.doc[0].nodeName == 'IFRAME') && (this.win[0].nodeName == 'IFRAME'));
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this.istextarea = (this.win[0].nodeName == 'TEXTAREA');
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this.forcescreen = false; //force to use screen position on events
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this.canshowonmouseevent = (opt.autohidemode != "scroll");
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// Events jump table
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this.onmousedown = false;
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this.onmouseup = false;
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this.onmousemove = false;
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this.onmousewheel = false;
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this.onkeypress = false;
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this.ongesturezoom = false;
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this.onclick = false;
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// Nicescroll custom events
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this.onscrollstart = false;
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this.onscrollend = false;
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this.onscrollcancel = false;
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this.onzoomin = false;
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this.onzoomout = false;
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// Let's start!
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this.view = false;
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this.page = false;
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this.scroll = {
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x: 0,
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y: 0
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};
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this.scrollratio = {
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x: 0,
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y: 0
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};
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this.cursorheight = 20;
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this.scrollvaluemax = 0;
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// http://dev.w3.org/csswg/css-writing-modes-3/#logical-to-physical
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// http://dev.w3.org/csswg/css-writing-modes-3/#svg-writing-mode
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if (opt.rtlmode == "auto") {
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var target = this.win[0] == _win ? this.body : this.win;
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var writingMode = target.css("writing-mode") || target.css("-webkit-writing-mode") || target.css("-ms-writing-mode") || target.css("-moz-writing-mode");
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if (writingMode == "horizontal-tb" || writingMode == "lr-tb" || writingMode === "") {
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this.isrtlmode = (target.css("direction") == "rtl");
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this.isvertical = false;
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} else {
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this.isrtlmode = (writingMode == "vertical-rl" || writingMode == "tb" || writingMode == "tb-rl" || writingMode == "rl-tb");
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this.isvertical = (writingMode == "vertical-rl" || writingMode == "tb" || writingMode == "tb-rl");
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}
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} else {
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this.isrtlmode = (opt.rtlmode === true);
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this.isvertical = false;
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}
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// this.checkrtlmode = false;
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this.scrollrunning = false;
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this.scrollmom = false;
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this.observer = false; // observer div changes
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this.observerremover = false; // observer on parent for remove detection
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this.observerbody = false; // observer on body for position change
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if (opt.scrollbarid !== false) {
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this.id = opt.scrollbarid;
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} else {
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do {
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this.id = "ascrail" + (ascrailcounter++);
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} while (_doc.getElementById(this.id));
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}
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this.rail = false;
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this.cursor = false;
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this.cursorfreezed = false;
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this.selectiondrag = false;
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this.zoom = false;
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this.zoomactive = false;
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this.hasfocus = false;
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this.hasmousefocus = false;
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//this.visibility = true;
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this.railslocked = false; // locked by resize
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this.locked = false; // prevent lost of locked status sets by user
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this.hidden = false; // rails always hidden
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this.cursoractive = true; // user can interact with cursors
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this.wheelprevented = false; //prevent mousewheel event
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this.overflowx = opt.overflowx;
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this.overflowy = opt.overflowy;
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this.nativescrollingarea = false;
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this.checkarea = 0;
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this.events = []; // event list for unbind
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this.saved = {}; // style saved
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this.delaylist = {};
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this.synclist = {};
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this.lastdeltax = 0;
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this.lastdeltay = 0;
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this.detected = getBrowserDetection();
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var cap = $.extend({}, this.detected);
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this.canhwscroll = (cap.hastransform && opt.hwacceleration);
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this.ishwscroll = (this.canhwscroll && self.haswrapper);
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if (!this.isrtlmode) {
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this.hasreversehr = false;
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} else if (this.isvertical) { // RTL mode with reverse horizontal axis
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this.hasreversehr = !(cap.iswebkit || cap.isie || cap.isie11);
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} else {
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this.hasreversehr = !(cap.iswebkit || (cap.isie && !cap.isie10 && !cap.isie11));
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}
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this.istouchcapable = false; // desktop devices with touch screen support
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//## Check WebKit-based desktop with touch support
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//## + Firefox 18 nightly build (desktop) false positive (or desktop with touch support)
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if (!cap.cantouch && (cap.hasw3ctouch || cap.hasmstouch)) { // desktop device with multiple input
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this.istouchcapable = true;
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} else if (cap.cantouch && !cap.isios && !cap.isandroid && (cap.iswebkit || cap.ismozilla)) {
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this.istouchcapable = true;
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}
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//## disable MouseLock API on user request
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if (!opt.enablemouselockapi) {
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cap.hasmousecapture = false;
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cap.haspointerlock = false;
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}
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this.debounced = function (name, fn, tm) {
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if (!self) return;
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var dd = self.delaylist[name] || false;
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if (!dd) {
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self.delaylist[name] = {
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h: setAnimationFrame(function () {
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self.delaylist[name].fn.call(self);
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self.delaylist[name] = false;
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}, tm)
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};
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fn.call(self);
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}
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self.delaylist[name].fn = fn;
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};
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this.synched = function (name, fn) {
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if (self.synclist[name]) self.synclist[name] = fn;
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else {
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self.synclist[name] = fn;
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setAnimationFrame(function () {
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if (!self) return;
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self.synclist[name] && self.synclist[name].call(self);
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self.synclist[name] = null;
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});
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}
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};
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this.unsynched = function (name) {
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if (self.synclist[name]) self.synclist[name] = false;
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};
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this.css = function (el, pars) { // save & set
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for (var n in pars) {
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self.saved.css.push([el, n, el.css(n)]);
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el.css(n, pars[n]);
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}
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};
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this.scrollTop = function (val) {
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return (val === undefined) ? self.getScrollTop() : self.setScrollTop(val);
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};
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this.scrollLeft = function (val) {
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return (val === undefined) ? self.getScrollLeft() : self.setScrollLeft(val);
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};
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// derived by by Dan Pupius www.pupius.net
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var BezierClass = function (st, ed, spd, p1, p2, p3, p4) {
|
|
|
|
this.st = st;
|
|
this.ed = ed;
|
|
this.spd = spd;
|
|
|
|
this.p1 = p1 || 0;
|
|
this.p2 = p2 || 1;
|
|
this.p3 = p3 || 0;
|
|
this.p4 = p4 || 1;
|
|
|
|
this.ts = now();
|
|
this.df = ed - st;
|
|
};
|
|
BezierClass.prototype = {
|
|
B2: function (t) {
|
|
return 3 * (1 - t) * (1 - t) * t;
|
|
},
|
|
B3: function (t) {
|
|
return 3 * (1 - t) * t * t;
|
|
},
|
|
B4: function (t) {
|
|
return t * t * t;
|
|
},
|
|
getPos: function () {
|
|
return (now() - this.ts) / this.spd;
|
|
},
|
|
getNow: function () {
|
|
var pc = (now() - this.ts) / this.spd;
|
|
var bz = this.B2(pc) + this.B3(pc) + this.B4(pc);
|
|
return (pc >= 1) ? this.ed : this.st + (this.df * bz) | 0;
|
|
},
|
|
update: function (ed, spd) {
|
|
this.st = this.getNow();
|
|
this.ed = ed;
|
|
this.spd = spd;
|
|
this.ts = now();
|
|
this.df = this.ed - this.st;
|
|
return this;
|
|
}
|
|
};
|
|
|
|
//derived from http://stackoverflow.com/questions/11236090/
|
|
function getMatrixValues() {
|
|
var tr = self.doc.css(cap.trstyle);
|
|
if (tr && (tr.substr(0, 6) == "matrix")) {
|
|
return tr.replace(/^.*\((.*)\)$/g, "$1").replace(/px/g, '').split(/, +/);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (this.ishwscroll) { // hw accelerated scroll
|
|
|
|
this.doc.translate = {
|
|
x: 0,
|
|
y: 0,
|
|
tx: "0px",
|
|
ty: "0px"
|
|
};
|
|
|
|
//this one can help to enable hw accel on ios6 http://indiegamr.com/ios6-html-hardware-acceleration-changes-and-how-to-fix-them/
|
|
if (cap.hastranslate3d && cap.isios) this.doc.css("-webkit-backface-visibility", "hidden"); // prevent flickering http://stackoverflow.com/questions/3461441/
|
|
|
|
this.getScrollTop = function (last) {
|
|
if (!last) {
|
|
var mtx = getMatrixValues();
|
|
if (mtx) return (mtx.length == 16) ? -mtx[13] : -mtx[5]; //matrix3d 16 on IE10
|
|
if (self.timerscroll && self.timerscroll.bz) return self.timerscroll.bz.getNow();
|
|
}
|
|
return self.doc.translate.y;
|
|
};
|
|
|
|
this.getScrollLeft = function (last) {
|
|
if (!last) {
|
|
var mtx = getMatrixValues();
|
|
if (mtx) return (mtx.length == 16) ? -mtx[12] : -mtx[4]; //matrix3d 16 on IE10
|
|
if (self.timerscroll && self.timerscroll.bh) return self.timerscroll.bh.getNow();
|
|
}
|
|
return self.doc.translate.x;
|
|
};
|
|
|
|
this.notifyScrollEvent = function (el) {
|
|
var e = _doc.createEvent("UIEvents");
|
|
e.initUIEvent("scroll", false, false, _win, 1);
|
|
e.niceevent = true;
|
|
el.dispatchEvent(e);
|
|
};
|
|
|
|
var cxscrollleft = (this.isrtlmode) ? 1 : -1;
|
|
|
|
if (cap.hastranslate3d && opt.enabletranslate3d) {
|
|
this.setScrollTop = function (val, silent) {
|
|
self.doc.translate.y = val;
|
|
self.doc.translate.ty = (val * -1) + "px";
|
|
self.doc.css(cap.trstyle, "translate3d(" + self.doc.translate.tx + "," + self.doc.translate.ty + ",0)");
|
|
if (!silent) self.notifyScrollEvent(self.win[0]);
|
|
};
|
|
this.setScrollLeft = function (val, silent) {
|
|
self.doc.translate.x = val;
|
|
self.doc.translate.tx = (val * cxscrollleft) + "px";
|
|
self.doc.css(cap.trstyle, "translate3d(" + self.doc.translate.tx + "," + self.doc.translate.ty + ",0)");
|
|
if (!silent) self.notifyScrollEvent(self.win[0]);
|
|
};
|
|
} else {
|
|
this.setScrollTop = function (val, silent) {
|
|
self.doc.translate.y = val;
|
|
self.doc.translate.ty = (val * -1) + "px";
|
|
self.doc.css(cap.trstyle, "translate(" + self.doc.translate.tx + "," + self.doc.translate.ty + ")");
|
|
if (!silent) self.notifyScrollEvent(self.win[0]);
|
|
};
|
|
this.setScrollLeft = function (val, silent) {
|
|
self.doc.translate.x = val;
|
|
self.doc.translate.tx = (val * cxscrollleft) + "px";
|
|
self.doc.css(cap.trstyle, "translate(" + self.doc.translate.tx + "," + self.doc.translate.ty + ")");
|
|
if (!silent) self.notifyScrollEvent(self.win[0]);
|
|
};
|
|
}
|
|
} else { // native scroll
|
|
|
|
this.getScrollTop = function () {
|
|
return self.docscroll.scrollTop();
|
|
};
|
|
this.setScrollTop = function (val) {
|
|
self.docscroll.scrollTop(val);
|
|
};
|
|
|
|
this.getScrollLeft = function () {
|
|
var val;
|
|
if (!self.hasreversehr) {
|
|
val = self.docscroll.scrollLeft();
|
|
} else if (self.detected.ismozilla) {
|
|
val = self.page.maxw - Math.abs(self.docscroll.scrollLeft());
|
|
} else {
|
|
val = self.page.maxw - self.docscroll.scrollLeft();
|
|
}
|
|
return val;
|
|
};
|
|
this.setScrollLeft = function (val) {
|
|
return setTimeout(function () {
|
|
if (!self) return;
|
|
if (self.hasreversehr) {
|
|
if (self.detected.ismozilla) {
|
|
val = -(self.page.maxw - val);
|
|
} else {
|
|
val = self.page.maxw - val;
|
|
}
|
|
}
|
|
return self.docscroll.scrollLeft(val);
|
|
}, 1);
|
|
};
|
|
}
|
|
|
|
this.getTarget = function (e) {
|
|
if (!e) return false;
|
|
if (e.target) return e.target;
|
|
if (e.srcElement) return e.srcElement;
|
|
return false;
|
|
};
|
|
|
|
this.hasParent = function (e, id) {
|
|
if (!e) return false;
|
|
var el = e.target || e.srcElement || e || false;
|
|
while (el && el.id != id) {
|
|
el = el.parentNode || false;
|
|
}
|
|
return (el !== false);
|
|
};
|
|
|
|
function getZIndex() {
|
|
var dom = self.win;
|
|
if ("zIndex" in dom) return dom.zIndex(); // use jQuery UI method when available
|
|
while (dom.length > 0) {
|
|
if (dom[0].nodeType == 9) return false;
|
|
var zi = dom.css('zIndex');
|
|
if (!isNaN(zi) && zi !== 0) return parseInt(zi);
|
|
dom = dom.parent();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//inspired by http://forum.jquery.com/topic/width-includes-border-width-when-set-to-thin-medium-thick-in-ie
|
|
var _convertBorderWidth = {
|
|
"thin": 1,
|
|
"medium": 3,
|
|
"thick": 5
|
|
};
|
|
|
|
function getWidthToPixel(dom, prop, chkheight) {
|
|
var wd = dom.css(prop);
|
|
var px = parseFloat(wd);
|
|
if (isNaN(px)) {
|
|
px = _convertBorderWidth[wd] || 0;
|
|
var brd = (px == 3) ? ((chkheight) ? (self.win.outerHeight() - self.win.innerHeight()) : (self.win.outerWidth() - self.win.innerWidth())) : 1; //DON'T TRUST CSS
|
|
if (self.isie8 && px) px += 1;
|
|
return (brd) ? px : 0;
|
|
}
|
|
return px;
|
|
}
|
|
|
|
this.getDocumentScrollOffset = function () {
|
|
return {
|
|
top: _win.pageYOffset || _doc.documentElement.scrollTop,
|
|
left: _win.pageXOffset || _doc.documentElement.scrollLeft
|
|
};
|
|
};
|
|
|
|
this.getOffset = function () {
|
|
if (self.isfixed) {
|
|
var ofs = self.win.offset(); // fix Chrome auto issue (when right/bottom props only)
|
|
var scrl = self.getDocumentScrollOffset();
|
|
ofs.top -= scrl.top;
|
|
ofs.left -= scrl.left;
|
|
return ofs;
|
|
}
|
|
var ww = self.win.offset();
|
|
if (!self.viewport) return ww;
|
|
var vp = self.viewport.offset();
|
|
return {
|
|
top: ww.top - vp.top,
|
|
left: ww.left - vp.left
|
|
};
|
|
};
|
|
|
|
this.updateScrollBar = function (len) {
|
|
var pos, off;
|
|
if (self.ishwscroll) {
|
|
self.rail.css({
|
|
height: self.win.innerHeight() - (opt.railpadding.top + opt.railpadding.bottom)
|
|
});
|
|
if (self.railh) self.railh.css({
|
|
width: self.win.innerWidth() - (opt.railpadding.left + opt.railpadding.right)
|
|
});
|
|
} else {
|
|
var wpos = self.getOffset();
|
|
pos = {
|
|
top: wpos.top,
|
|
left: wpos.left - (opt.railpadding.left + opt.railpadding.right)
|
|
};
|
|
pos.top += getWidthToPixel(self.win, 'border-top-width', true);
|
|
pos.left += (self.rail.align) ? self.win.outerWidth() - getWidthToPixel(self.win, 'border-right-width') - self.rail.width : getWidthToPixel(self.win, 'border-left-width');
|
|
|
|
off = opt.railoffset;
|
|
if (off) {
|
|
if (off.top) pos.top += off.top;
|
|
if (off.left) pos.left += off.left;
|
|
}
|
|
|
|
if (!self.railslocked) self.rail.css({
|
|
top: pos.top,
|
|
left: pos.left,
|
|
height: ((len) ? len.h : self.win.innerHeight()) - (opt.railpadding.top + opt.railpadding.bottom)
|
|
});
|
|
|
|
if (self.zoom) {
|
|
self.zoom.css({
|
|
top: pos.top + 1,
|
|
left: (self.rail.align == 1) ? pos.left - 20 : pos.left + self.rail.width + 4
|
|
});
|
|
}
|
|
|
|
if (self.railh && !self.railslocked) {
|
|
pos = {
|
|
top: wpos.top,
|
|
left: wpos.left
|
|
};
|
|
off = opt.railhoffset;
|
|
if (off) {
|
|
if (off.top) pos.top += off.top;
|
|
if (off.left) pos.left += off.left;
|
|
}
|
|
var y = (self.railh.align) ? pos.top + getWidthToPixel(self.win, 'border-top-width', true) + self.win.innerHeight() - self.railh.height : pos.top + getWidthToPixel(self.win, 'border-top-width', true);
|
|
var x = pos.left + getWidthToPixel(self.win, 'border-left-width');
|
|
self.railh.css({
|
|
top: y - (opt.railpadding.top + opt.railpadding.bottom),
|
|
left: x,
|
|
width: self.railh.width
|
|
});
|
|
}
|
|
|
|
}
|
|
};
|
|
|
|
this.doRailClick = function (e, dbl, hr) {
|
|
var fn, pg, cur, pos;
|
|
|
|
if (self.railslocked) return;
|
|
|
|
self.cancelEvent(e);
|
|
|
|
if (!("pageY" in e)) {
|
|
e.pageX = e.clientX + _doc.documentElement.scrollLeft;
|
|
e.pageY = e.clientY + _doc.documentElement.scrollTop;
|
|
}
|
|
|
|
if (dbl) {
|
|
fn = (hr) ? self.doScrollLeft : self.doScrollTop;
|
|
cur = (hr) ? ((e.pageX - self.railh.offset().left - (self.cursorwidth / 2)) * self.scrollratio.x) : ((e.pageY - self.rail.offset().top - (self.cursorheight / 2)) * self.scrollratio.y);
|
|
self.unsynched("relativexy");
|
|
fn(cur|0);
|
|
} else {
|
|
fn = (hr) ? self.doScrollLeftBy : self.doScrollBy;
|
|
cur = (hr) ? self.scroll.x : self.scroll.y;
|
|
pos = (hr) ? e.pageX - self.railh.offset().left : e.pageY - self.rail.offset().top;
|
|
pg = (hr) ? self.view.w : self.view.h;
|
|
fn((cur >= pos) ? pg : -pg);
|
|
}
|
|
|
|
};
|
|
|
|
self.newscrolly = self.newscrollx = 0;
|
|
|
|
self.hasanimationframe = ("requestAnimationFrame" in _win);
|
|
self.hascancelanimationframe = ("cancelAnimationFrame" in _win);
|
|
|
|
self.hasborderbox = false;
|
|
|
|
this.init = function () {
|
|
|
|
self.saved.css = [];
|
|
|
|
if (cap.isoperamini) return true; // SORRY, DO NOT WORK!
|
|
if (cap.isandroid && !("hidden" in _doc)) return true; // Android 3- SORRY, DO NOT WORK!
|
|
|
|
opt.emulatetouch = opt.emulatetouch || opt.touchbehavior; // mantain compatibility with "touchbehavior"
|
|
|
|
self.hasborderbox = _win.getComputedStyle && (_win.getComputedStyle(_doc.body)['box-sizing'] === "border-box");
|
|
|
|
var _scrollyhidden = { 'overflow-y': 'hidden' };
|
|
if (cap.isie11 || cap.isie10) _scrollyhidden['-ms-overflow-style'] = 'none'; // IE 10 & 11 is always a world apart!
|
|
|
|
if (self.ishwscroll) {
|
|
this.doc.css(cap.transitionstyle, cap.prefixstyle + 'transform 0ms ease-out');
|
|
if (cap.transitionend) self.bind(self.doc, cap.transitionend, self.onScrollTransitionEnd, false); //I have got to do something usefull!!
|
|
}
|
|
|
|
self.zindex = "auto";
|
|
if (!self.ispage && opt.zindex == "auto") {
|
|
self.zindex = getZIndex() || "auto";
|
|
} else {
|
|
self.zindex = opt.zindex;
|
|
}
|
|
|
|
if (!self.ispage && self.zindex != "auto" && self.zindex > globalmaxzindex) {
|
|
globalmaxzindex = self.zindex;
|
|
}
|
|
|
|
if (self.isie && self.zindex === 0 && opt.zindex == "auto") { // fix IE auto == 0
|
|
self.zindex = "auto";
|
|
}
|
|
|
|
if (!self.ispage || !cap.isieold) {
|
|
|
|
var cont = self.docscroll;
|
|
if (self.ispage) cont = (self.haswrapper) ? self.win : self.doc;
|
|
|
|
self.css(cont, _scrollyhidden);
|
|
|
|
if (self.ispage && (cap.isie11 || cap.isie)) { // IE 7-11
|
|
self.css($("html"), _scrollyhidden);
|
|
}
|
|
|
|
if (cap.isios && !self.ispage && !self.haswrapper) self.css($body, {
|
|
"-webkit-overflow-scrolling": "touch"
|
|
}); //force hw acceleration
|
|
|
|
var cursor = $(_doc.createElement('div'));
|
|
cursor.css({
|
|
position: "relative",
|
|
top: 0,
|
|
"float": "right",
|
|
width: opt.cursorwidth,
|
|
height: 0,
|
|
'background-color': opt.cursorcolor,
|
|
border: opt.cursorborder,
|
|
'background-clip': 'padding-box',
|
|
'-webkit-border-radius': opt.cursorborderradius,
|
|
'-moz-border-radius': opt.cursorborderradius,
|
|
'border-radius': opt.cursorborderradius
|
|
});
|
|
|
|
cursor.addClass('nicescroll-cursors');
|
|
|
|
self.cursor = cursor;
|
|
|
|
var rail = $(_doc.createElement('div'));
|
|
rail.attr('id', self.id);
|
|
rail.addClass('nicescroll-rails nicescroll-rails-vr');
|
|
|
|
var v, a, kp = ["left", "right", "top", "bottom"]; //**
|
|
for (var n in kp) {
|
|
a = kp[n];
|
|
v = opt.railpadding[a] || 0;
|
|
v && rail.css("padding-" + a, v + "px");
|
|
}
|
|
|
|
rail.append(cursor);
|
|
|
|
rail.width = Math.max(parseFloat(opt.cursorwidth), cursor.outerWidth());
|
|
rail.css({
|
|
width: rail.width + "px",
|
|
zIndex: self.zindex,
|
|
background: opt.background,
|
|
cursor: "default"
|
|
});
|
|
|
|
rail.visibility = true;
|
|
rail.scrollable = true;
|
|
|
|
rail.align = (opt.railalign == "left") ? 0 : 1;
|
|
|
|
self.rail = rail;
|
|
|
|
self.rail.drag = false;
|
|
|
|
var zoom = false;
|
|
if (opt.boxzoom && !self.ispage && !cap.isieold) {
|
|
zoom = _doc.createElement('div');
|
|
|
|
self.bind(zoom, "click", self.doZoom);
|
|
self.bind(zoom, "mouseenter", function () {
|
|
self.zoom.css('opacity', opt.cursoropacitymax);
|
|
});
|
|
self.bind(zoom, "mouseleave", function () {
|
|
self.zoom.css('opacity', opt.cursoropacitymin);
|
|
});
|
|
|
|
self.zoom = $(zoom);
|
|
self.zoom.css({
|
|
cursor: "pointer",
|
|
zIndex: self.zindex,
|
|
backgroundImage: 'url(' + opt.scriptpath + 'zoomico.png)',
|
|
height: 18,
|
|
width: 18,
|
|
backgroundPosition: '0 0'
|
|
});
|
|
if (opt.dblclickzoom) self.bind(self.win, "dblclick", self.doZoom);
|
|
if (cap.cantouch && opt.gesturezoom) {
|
|
self.ongesturezoom = function (e) {
|
|
if (e.scale > 1.5) self.doZoomIn(e);
|
|
if (e.scale < 0.8) self.doZoomOut(e);
|
|
return self.cancelEvent(e);
|
|
};
|
|
self.bind(self.win, "gestureend", self.ongesturezoom);
|
|
}
|
|
}
|
|
|
|
// init HORIZ
|
|
|
|
self.railh = false;
|
|
var railh;
|
|
|
|
if (opt.horizrailenabled) {
|
|
|
|
self.css(cont, {
|
|
overflowX: 'hidden'
|
|
});
|
|
|
|
cursor = $(_doc.createElement('div'));
|
|
cursor.css({
|
|
position: "absolute",
|
|
top: 0,
|
|
height: opt.cursorwidth,
|
|
width: 0,
|
|
backgroundColor: opt.cursorcolor,
|
|
border: opt.cursorborder,
|
|
backgroundClip: 'padding-box',
|
|
'-webkit-border-radius': opt.cursorborderradius,
|
|
'-moz-border-radius': opt.cursorborderradius,
|
|
'border-radius': opt.cursorborderradius
|
|
});
|
|
|
|
if (cap.isieold) cursor.css('overflow', 'hidden'); //IE6 horiz scrollbar issue
|
|
|
|
cursor.addClass('nicescroll-cursors');
|
|
|
|
self.cursorh = cursor;
|
|
|
|
railh = $(_doc.createElement('div'));
|
|
railh.attr('id', self.id + '-hr');
|
|
railh.addClass('nicescroll-rails nicescroll-rails-hr');
|
|
railh.height = Math.max(parseFloat(opt.cursorwidth), cursor.outerHeight());
|
|
railh.css({
|
|
height: railh.height + "px",
|
|
'zIndex': self.zindex,
|
|
"background": opt.background
|
|
});
|
|
|
|
railh.append(cursor);
|
|
|
|
railh.visibility = true;
|
|
railh.scrollable = true;
|
|
|
|
railh.align = (opt.railvalign == "top") ? 0 : 1;
|
|
|
|
self.railh = railh;
|
|
|
|
self.railh.drag = false;
|
|
|
|
}
|
|
|
|
if (self.ispage) {
|
|
|
|
rail.css({
|
|
position: "fixed",
|
|
top: 0,
|
|
height: "100%"
|
|
});
|
|
|
|
rail.css((rail.align) ? { right: 0 } : { left: 0 });
|
|
|
|
self.body.append(rail);
|
|
if (self.railh) {
|
|
railh.css({
|
|
position: "fixed",
|
|
left: 0,
|
|
width: "100%"
|
|
});
|
|
|
|
railh.css((railh.align) ? { bottom: 0 } : { top: 0 });
|
|
|
|
self.body.append(railh);
|
|
}
|
|
} else {
|
|
if (self.ishwscroll) {
|
|
if (self.win.css('position') == 'static') self.css(self.win, { 'position': 'relative' });
|
|
var bd = (self.win[0].nodeName == 'HTML') ? self.body : self.win;
|
|
$(bd).scrollTop(0).scrollLeft(0); // fix rail position if content already scrolled
|
|
if (self.zoom) {
|
|
self.zoom.css({
|
|
position: "absolute",
|
|
top: 1,
|
|
right: 0,
|
|
"margin-right": rail.width + 4
|
|
});
|
|
bd.append(self.zoom);
|
|
}
|
|
rail.css({
|
|
position: "absolute",
|
|
top: 0
|
|
});
|
|
rail.css((rail.align) ? { right: 0 } : { left: 0 });
|
|
bd.append(rail);
|
|
if (railh) {
|
|
railh.css({
|
|
position: "absolute",
|
|
left: 0,
|
|
bottom: 0
|
|
});
|
|
railh.css((railh.align) ? { bottom: 0 } : { top: 0 });
|
|
bd.append(railh);
|
|
}
|
|
} else {
|
|
self.isfixed = (self.win.css("position") == "fixed");
|
|
var rlpos = (self.isfixed) ? "fixed" : "absolute";
|
|
|
|
if (!self.isfixed) self.viewport = self.getViewport(self.win[0]);
|
|
if (self.viewport) {
|
|
self.body = self.viewport;
|
|
if (!(/fixed|absolute/.test(self.viewport.css("position")))) self.css(self.viewport, {
|
|
"position": "relative"
|
|
});
|
|
}
|
|
|
|
rail.css({
|
|
position: rlpos
|
|
});
|
|
if (self.zoom) self.zoom.css({
|
|
position: rlpos
|
|
});
|
|
self.updateScrollBar();
|
|
self.body.append(rail);
|
|
if (self.zoom) self.body.append(self.zoom);
|
|
if (self.railh) {
|
|
railh.css({
|
|
position: rlpos
|
|
});
|
|
self.body.append(railh);
|
|
}
|
|
}
|
|
|
|
if (cap.isios) self.css(self.win, {
|
|
'-webkit-tap-highlight-color': 'rgba(0,0,0,0)',
|
|
'-webkit-touch-callout': 'none'
|
|
}); // prevent grey layer on click
|
|
|
|
if (opt.disableoutline) {
|
|
if (cap.isie) self.win.attr("hideFocus", "true"); // IE, prevent dotted rectangle on focused div
|
|
if (cap.iswebkit) self.win.css('outline', 'none'); // Webkit outline
|
|
}
|
|
|
|
}
|
|
|
|
if (opt.autohidemode === false) {
|
|
self.autohidedom = false;
|
|
self.rail.css({
|
|
opacity: opt.cursoropacitymax
|
|
});
|
|
if (self.railh) self.railh.css({
|
|
opacity: opt.cursoropacitymax
|
|
});
|
|
} else if ((opt.autohidemode === true) || (opt.autohidemode === "leave")) {
|
|
self.autohidedom = $().add(self.rail);
|
|
if (cap.isie8) self.autohidedom = self.autohidedom.add(self.cursor);
|
|
if (self.railh) self.autohidedom = self.autohidedom.add(self.railh);
|
|
if (self.railh && cap.isie8) self.autohidedom = self.autohidedom.add(self.cursorh);
|
|
} else if (opt.autohidemode == "scroll") {
|
|
self.autohidedom = $().add(self.rail);
|
|
if (self.railh) self.autohidedom = self.autohidedom.add(self.railh);
|
|
} else if (opt.autohidemode == "cursor") {
|
|
self.autohidedom = $().add(self.cursor);
|
|
if (self.railh) self.autohidedom = self.autohidedom.add(self.cursorh);
|
|
} else if (opt.autohidemode == "hidden") {
|
|
self.autohidedom = false;
|
|
self.hide();
|
|
self.railslocked = false;
|
|
}
|
|
|
|
if (cap.cantouch || self.istouchcapable || opt.emulatetouch || cap.hasmstouch) {
|
|
|
|
self.scrollmom = new ScrollMomentumClass2D(self);
|
|
|
|
var delayedclick = null;
|
|
|
|
self.ontouchstart = function (e) {
|
|
|
|
if (self.locked) return false;
|
|
|
|
//if (e.pointerType && e.pointerType != 2 && e.pointerType != "touch") return false;
|
|
if (e.pointerType && (e.pointerType === 'mouse' || e.pointerType === e.MSPOINTER_TYPE_MOUSE)) return false; // need test on surface!!
|
|
|
|
self.hasmoving = false;
|
|
|
|
if (self.scrollmom.timer) {
|
|
self.triggerScrollEnd();
|
|
self.scrollmom.stop();
|
|
}
|
|
|
|
if (!self.railslocked) {
|
|
var tg = self.getTarget(e);
|
|
|
|
if (tg) {
|
|
var skp = (/INPUT/i.test(tg.nodeName)) && (/range/i.test(tg.type));
|
|
if (skp) return self.stopPropagation(e);
|
|
}
|
|
|
|
var ismouse = (e.type === "mousedown");
|
|
|
|
if (!("clientX" in e) && ("changedTouches" in e)) {
|
|
e.clientX = e.changedTouches[0].clientX;
|
|
e.clientY = e.changedTouches[0].clientY;
|
|
}
|
|
|
|
if (self.forcescreen) {
|
|
var le = e;
|
|
e = {
|
|
"original": (e.original) ? e.original : e
|
|
};
|
|
e.clientX = le.screenX;
|
|
e.clientY = le.screenY;
|
|
}
|
|
|
|
self.rail.drag = {
|
|
x: e.clientX,
|
|
y: e.clientY,
|
|
sx: self.scroll.x,
|
|
sy: self.scroll.y,
|
|
st: self.getScrollTop(),
|
|
sl: self.getScrollLeft(),
|
|
pt: 2,
|
|
dl: false,
|
|
tg: tg
|
|
};
|
|
|
|
if (self.ispage || !opt.directionlockdeadzone) {
|
|
|
|
self.rail.drag.dl = "f";
|
|
|
|
} else {
|
|
|
|
var view = {
|
|
w: $window.width(),
|
|
h: $window.height()
|
|
};
|
|
|
|
var page = self.getContentSize();
|
|
|
|
var maxh = page.h - view.h;
|
|
var maxw = page.w - view.w;
|
|
|
|
if (self.rail.scrollable && !self.railh.scrollable) self.rail.drag.ck = (maxh > 0) ? "v" : false;
|
|
else if (!self.rail.scrollable && self.railh.scrollable) self.rail.drag.ck = (maxw > 0) ? "h" : false;
|
|
else self.rail.drag.ck = false;
|
|
|
|
}
|
|
|
|
if (opt.emulatetouch && self.isiframe && cap.isie) {
|
|
var wp = self.win.position();
|
|
self.rail.drag.x += wp.left;
|
|
self.rail.drag.y += wp.top;
|
|
}
|
|
|
|
self.hasmoving = false;
|
|
self.lastmouseup = false;
|
|
self.scrollmom.reset(e.clientX, e.clientY);
|
|
|
|
if (tg&&ismouse) {
|
|
|
|
var ip = /INPUT|SELECT|BUTTON|TEXTAREA/i.test(tg.nodeName);
|
|
if (!ip) {
|
|
if (cap.hasmousecapture) tg.setCapture();
|
|
if (opt.emulatetouch) {
|
|
if (tg.onclick && !(tg._onclick || false)) { // intercept DOM0 onclick event
|
|
tg._onclick = tg.onclick;
|
|
tg.onclick = function (e) {
|
|
if (self.hasmoving) return false;
|
|
tg._onclick.call(this, e);
|
|
};
|
|
}
|
|
return self.cancelEvent(e);
|
|
}
|
|
return self.stopPropagation(e);
|
|
}
|
|
|
|
if (/SUBMIT|CANCEL|BUTTON/i.test($(tg).attr('type'))) {
|
|
self.preventclick = {
|
|
"tg": tg,
|
|
"click": false
|
|
};
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
self.ontouchend = function (e) {
|
|
|
|
if (!self.rail.drag) return true;
|
|
|
|
if (self.rail.drag.pt == 2) {
|
|
//if (e.pointerType && e.pointerType != 2 && e.pointerType != "touch") return false;
|
|
if (e.pointerType && (e.pointerType === 'mouse' || e.pointerType === e.MSPOINTER_TYPE_MOUSE)) return false;
|
|
|
|
self.rail.drag = false;
|
|
|
|
var ismouse = (e.type === "mouseup");
|
|
|
|
if (self.hasmoving) {
|
|
self.scrollmom.doMomentum();
|
|
self.lastmouseup = true;
|
|
self.hideCursor();
|
|
if (cap.hasmousecapture) _doc.releaseCapture();
|
|
if (ismouse) return self.cancelEvent(e);
|
|
}
|
|
|
|
}
|
|
else if (self.rail.drag.pt == 1) {
|
|
return self.onmouseup(e);
|
|
}
|
|
|
|
};
|
|
|
|
var moveneedoffset = (opt.emulatetouch && self.isiframe && !cap.hasmousecapture);
|
|
|
|
var locktollerance = opt.directionlockdeadzone * 0.3 | 0;
|
|
|
|
self.ontouchmove = function (e, byiframe) {
|
|
|
|
if (!self.rail.drag) return true;
|
|
|
|
if (e.targetTouches && opt.preventmultitouchscrolling) {
|
|
if (e.targetTouches.length > 1) return true; // multitouch
|
|
}
|
|
|
|
//if (e.pointerType && e.pointerType != 2 && e.pointerType != "touch") return false;
|
|
if (e.pointerType && (e.pointerType === 'mouse' || e.pointerType === e.MSPOINTER_TYPE_MOUSE)) return true;
|
|
|
|
if (self.rail.drag.pt == 2) {
|
|
|
|
if (("changedTouches" in e)) {
|
|
e.clientX = e.changedTouches[0].clientX;
|
|
e.clientY = e.changedTouches[0].clientY;
|
|
}
|
|
|
|
var ofy, ofx;
|
|
ofx = ofy = 0;
|
|
|
|
if (moveneedoffset && !byiframe) {
|
|
var wp = self.win.position();
|
|
ofx = -wp.left;
|
|
ofy = -wp.top;
|
|
}
|
|
|
|
var fy = e.clientY + ofy;
|
|
var my = (fy - self.rail.drag.y);
|
|
var fx = e.clientX + ofx;
|
|
var mx = (fx - self.rail.drag.x);
|
|
|
|
var ny = self.rail.drag.st - my;
|
|
|
|
if (self.ishwscroll && opt.bouncescroll) {
|
|
if (ny < 0) {
|
|
ny = Math.round(ny / 2);
|
|
} else if (ny > self.page.maxh) {
|
|
ny = self.page.maxh + Math.round((ny - self.page.maxh) / 2);
|
|
}
|
|
} else {
|
|
if (ny < 0) {
|
|
ny = 0;
|
|
fy = 0;
|
|
}
|
|
else if (ny > self.page.maxh) {
|
|
ny = self.page.maxh;
|
|
fy = 0;
|
|
}
|
|
if (fy === 0 && !self.hasmoving) {
|
|
if (!self.ispage) self.rail.drag = false;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
var nx = self.getScrollLeft();
|
|
|
|
if (self.railh && self.railh.scrollable) {
|
|
nx = (self.isrtlmode) ? mx - self.rail.drag.sl : self.rail.drag.sl - mx;
|
|
|
|
if (self.ishwscroll && opt.bouncescroll) {
|
|
if (nx < 0) {
|
|
nx = Math.round(nx / 2);
|
|
} else if (nx > self.page.maxw) {
|
|
nx = self.page.maxw + Math.round((nx - self.page.maxw) / 2);
|
|
}
|
|
} else {
|
|
if (nx < 0) {
|
|
nx = 0;
|
|
fx = 0;
|
|
}
|
|
if (nx > self.page.maxw) {
|
|
nx = self.page.maxw;
|
|
fx = 0;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
if (!self.hasmoving) {
|
|
|
|
if (self.rail.drag.y === e.clientY && self.rail.drag.x === e.clientX) return self.cancelEvent(e); // prevent first useless move event
|
|
|
|
var ay = Math.abs(my);
|
|
var ax = Math.abs(mx);
|
|
var dz = opt.directionlockdeadzone;
|
|
|
|
if (!self.rail.drag.ck) {
|
|
if (ay > dz && ax > dz) self.rail.drag.dl = "f";
|
|
else if (ay > dz) self.rail.drag.dl = (ax > locktollerance) ? "f" : "v";
|
|
else if (ax > dz) self.rail.drag.dl = (ay > locktollerance) ? "f" : "h";
|
|
}
|
|
else if (self.rail.drag.ck == "v") {
|
|
if (ax > dz && ay <= locktollerance) {
|
|
self.rail.drag = false;
|
|
}
|
|
else if (ay > dz) self.rail.drag.dl = "v";
|
|
|
|
}
|
|
else if (self.rail.drag.ck == "h") {
|
|
|
|
if (ay > dz && ax <= locktollerance) {
|
|
self.rail.drag = false;
|
|
}
|
|
else if (ax > dz) self.rail.drag.dl = "h";
|
|
|
|
}
|
|
|
|
if (!self.rail.drag.dl) return self.cancelEvent(e);
|
|
|
|
self.triggerScrollStart(e.clientX, e.clientY, 0, 0, 0);
|
|
self.hasmoving = true;
|
|
}
|
|
|
|
if (self.preventclick && !self.preventclick.click) {
|
|
self.preventclick.click = self.preventclick.tg.onclick || false;
|
|
self.preventclick.tg.onclick = self.onpreventclick;
|
|
}
|
|
|
|
if (self.rail.drag.dl) {
|
|
if (self.rail.drag.dl == "v") nx = self.rail.drag.sl;
|
|
else if (self.rail.drag.dl == "h") ny = self.rail.drag.st;
|
|
}
|
|
|
|
self.synched("touchmove", function () {
|
|
if (self.rail.drag && (self.rail.drag.pt == 2)) {
|
|
if (self.prepareTransition) self.resetTransition();
|
|
if (self.rail.scrollable) self.setScrollTop(ny);
|
|
self.scrollmom.update(fx, fy);
|
|
if (self.railh && self.railh.scrollable) {
|
|
self.setScrollLeft(nx);
|
|
self.showCursor(ny, nx);
|
|
} else {
|
|
self.showCursor(ny);
|
|
}
|
|
if (cap.isie10) _doc.selection.clear();
|
|
}
|
|
});
|
|
|
|
return self.cancelEvent(e);
|
|
|
|
}
|
|
else if (self.rail.drag.pt == 1) { // drag on cursor
|
|
return self.onmousemove(e);
|
|
}
|
|
|
|
};
|
|
|
|
self.ontouchstartCursor = function (e, hronly) {
|
|
if (self.rail.drag && self.rail.drag.pt != 3) return;
|
|
if (self.locked) return self.cancelEvent(e);
|
|
self.cancelScroll();
|
|
self.rail.drag = {
|
|
x: e.touches[0].clientX,
|
|
y: e.touches[0].clientY,
|
|
sx: self.scroll.x,
|
|
sy: self.scroll.y,
|
|
pt: 3,
|
|
hr: (!!hronly)
|
|
};
|
|
var tg = self.getTarget(e);
|
|
if (!self.ispage && cap.hasmousecapture) tg.setCapture();
|
|
if (self.isiframe && !cap.hasmousecapture) {
|
|
self.saved.csspointerevents = self.doc.css("pointer-events");
|
|
self.css(self.doc, { "pointer-events": "none" });
|
|
}
|
|
return self.cancelEvent(e);
|
|
};
|
|
|
|
self.ontouchendCursor = function (e) {
|
|
if (self.rail.drag) {
|
|
if (cap.hasmousecapture) _doc.releaseCapture();
|
|
if (self.isiframe && !cap.hasmousecapture) self.doc.css("pointer-events", self.saved.csspointerevents);
|
|
if (self.rail.drag.pt != 3) return;
|
|
self.rail.drag = false;
|
|
return self.cancelEvent(e);
|
|
}
|
|
};
|
|
|
|
self.ontouchmoveCursor = function (e) {
|
|
if (self.rail.drag) {
|
|
if (self.rail.drag.pt != 3) return;
|
|
|
|
self.cursorfreezed = true;
|
|
|
|
if (self.rail.drag.hr) {
|
|
self.scroll.x = self.rail.drag.sx + (e.touches[0].clientX - self.rail.drag.x);
|
|
if (self.scroll.x < 0) self.scroll.x = 0;
|
|
var mw = self.scrollvaluemaxw;
|
|
if (self.scroll.x > mw) self.scroll.x = mw;
|
|
} else {
|
|
self.scroll.y = self.rail.drag.sy + (e.touches[0].clientY - self.rail.drag.y);
|
|
if (self.scroll.y < 0) self.scroll.y = 0;
|
|
var my = self.scrollvaluemax;
|
|
if (self.scroll.y > my) self.scroll.y = my;
|
|
}
|
|
|
|
self.synched('touchmove', function () {
|
|
if (self.rail.drag && (self.rail.drag.pt == 3)) {
|
|
self.showCursor();
|
|
if (self.rail.drag.hr) self.doScrollLeft(Math.round(self.scroll.x * self.scrollratio.x), opt.cursordragspeed);
|
|
else self.doScrollTop(Math.round(self.scroll.y * self.scrollratio.y), opt.cursordragspeed);
|
|
}
|
|
});
|
|
|
|
return self.cancelEvent(e);
|
|
}
|
|
|
|
};
|
|
|
|
}
|
|
|
|
self.onmousedown = function (e, hronly) {
|
|
if (self.rail.drag && self.rail.drag.pt != 1) return;
|
|
if (self.railslocked) return self.cancelEvent(e);
|
|
self.cancelScroll();
|
|
self.rail.drag = {
|
|
x: e.clientX,
|
|
y: e.clientY,
|
|
sx: self.scroll.x,
|
|
sy: self.scroll.y,
|
|
pt: 1,
|
|
hr: hronly || false
|
|
};
|
|
var tg = self.getTarget(e);
|
|
|
|
if (cap.hasmousecapture) tg.setCapture();
|
|
if (self.isiframe && !cap.hasmousecapture) {
|
|
self.saved.csspointerevents = self.doc.css("pointer-events");
|
|
self.css(self.doc, {
|
|
"pointer-events": "none"
|
|
});
|
|
}
|
|
self.hasmoving = false;
|
|
return self.cancelEvent(e);
|
|
};
|
|
|
|
self.onmouseup = function (e) {
|
|
if (self.rail.drag) {
|
|
if (self.rail.drag.pt != 1) return true;
|
|
|
|
if (cap.hasmousecapture) _doc.releaseCapture();
|
|
if (self.isiframe && !cap.hasmousecapture) self.doc.css("pointer-events", self.saved.csspointerevents);
|
|
self.rail.drag = false;
|
|
self.cursorfreezed = false;
|
|
if (self.hasmoving) self.triggerScrollEnd();
|
|
return self.cancelEvent(e);
|
|
}
|
|
};
|
|
|
|
self.onmousemove = function (e) {
|
|
if (self.rail.drag) {
|
|
if (self.rail.drag.pt !== 1) return;
|
|
|
|
if (cap.ischrome && e.which === 0) return self.onmouseup(e);
|
|
|
|
self.cursorfreezed = true;
|
|
|
|
if (!self.hasmoving) self.triggerScrollStart(e.clientX, e.clientY, 0, 0, 0);
|
|
|
|
self.hasmoving = true;
|
|
|
|
if (self.rail.drag.hr) {
|
|
self.scroll.x = self.rail.drag.sx + (e.clientX - self.rail.drag.x);
|
|
if (self.scroll.x < 0) self.scroll.x = 0;
|
|
var mw = self.scrollvaluemaxw;
|
|
if (self.scroll.x > mw) self.scroll.x = mw;
|
|
} else {
|
|
self.scroll.y = self.rail.drag.sy + (e.clientY - self.rail.drag.y);
|
|
if (self.scroll.y < 0) self.scroll.y = 0;
|
|
var my = self.scrollvaluemax;
|
|
if (self.scroll.y > my) self.scroll.y = my;
|
|
}
|
|
|
|
self.synched('mousemove', function () {
|
|
|
|
if (self.cursorfreezed) {
|
|
self.showCursor();
|
|
|
|
if (self.rail.drag.hr) {
|
|
self.scrollLeft(Math.round(self.scroll.x * self.scrollratio.x));
|
|
} else {
|
|
self.scrollTop(Math.round(self.scroll.y * self.scrollratio.y));
|
|
}
|
|
|
|
}
|
|
});
|
|
|
|
return self.cancelEvent(e);
|
|
}
|
|
else {
|
|
self.checkarea = 0;
|
|
}
|
|
};
|
|
|
|
if (cap.cantouch || opt.emulatetouch) {
|
|
|
|
self.onpreventclick = function (e) {
|
|
if (self.preventclick) {
|
|
self.preventclick.tg.onclick = self.preventclick.click;
|
|
self.preventclick = false;
|
|
return self.cancelEvent(e);
|
|
}
|
|
};
|
|
|
|
self.onclick = (cap.isios) ? false : function (e) { // it needs to check IE11 ???
|
|
if (self.lastmouseup) {
|
|
self.lastmouseup = false;
|
|
return self.cancelEvent(e);
|
|
} else {
|
|
return true;
|
|
}
|
|
};
|
|
|
|
if (opt.grabcursorenabled && cap.cursorgrabvalue) {
|
|
self.css((self.ispage) ? self.doc : self.win, {
|
|
'cursor': cap.cursorgrabvalue
|
|
});
|
|
self.css(self.rail, {
|
|
'cursor': cap.cursorgrabvalue
|
|
});
|
|
}
|
|
|
|
} else {
|
|
|
|
var checkSelectionScroll = function (e) {
|
|
if (!self.selectiondrag) return;
|
|
|
|
if (e) {
|
|
var ww = self.win.outerHeight();
|
|
var df = (e.pageY - self.selectiondrag.top);
|
|
if (df > 0 && df < ww) df = 0;
|
|
if (df >= ww) df -= ww;
|
|
self.selectiondrag.df = df;
|
|
}
|
|
if (self.selectiondrag.df === 0) return;
|
|
|
|
var rt = -(self.selectiondrag.df*2/6)|0;
|
|
self.doScrollBy(rt);
|
|
|
|
self.debounced("doselectionscroll", function () {
|
|
checkSelectionScroll();
|
|
}, 50);
|
|
};
|
|
|
|
if ("getSelection" in _doc) { // A grade - Major browsers
|
|
self.hasTextSelected = function () {
|
|
return (_doc.getSelection().rangeCount > 0);
|
|
};
|
|
} else if ("selection" in _doc) { //IE9-
|
|
self.hasTextSelected = function () {
|
|
return (_doc.selection.type != "None");
|
|
};
|
|
} else {
|
|
self.hasTextSelected = function () { // no support
|
|
return false;
|
|
};
|
|
}
|
|
|
|
self.onselectionstart = function (e) {
|
|
// More testing - severe chrome issues
|
|
/*
|
|
if (!self.haswrapper&&(e.which&&e.which==2)) { // fool browser to manage middle button scrolling
|
|
self.win.css({'overflow':'auto'});
|
|
setTimeout(function(){
|
|
self.win.css({'overflow':'hidden'});
|
|
},10);
|
|
return true;
|
|
}
|
|
*/
|
|
if (self.ispage) return;
|
|
self.selectiondrag = self.win.offset();
|
|
};
|
|
|
|
self.onselectionend = function (e) {
|
|
self.selectiondrag = false;
|
|
};
|
|
self.onselectiondrag = function (e) {
|
|
if (!self.selectiondrag) return;
|
|
if (self.hasTextSelected()) self.debounced("selectionscroll", function () {
|
|
checkSelectionScroll(e);
|
|
}, 250);
|
|
};
|
|
}
|
|
|
|
if (cap.hasw3ctouch) { //IE11+
|
|
self.css((self.ispage) ? $("html") : self.win, { 'touch-action': 'none' });
|
|
self.css(self.rail, {
|
|
'touch-action': 'none'
|
|
});
|
|
self.css(self.cursor, {
|
|
'touch-action': 'none'
|
|
});
|
|
self.bind(self.win, "pointerdown", self.ontouchstart);
|
|
self.bind(_doc, "pointerup", self.ontouchend);
|
|
self.delegate(_doc, "pointermove", self.ontouchmove);
|
|
} else if (cap.hasmstouch) { //IE10
|
|
self.css((self.ispage) ? $("html") : self.win, { '-ms-touch-action': 'none' });
|
|
self.css(self.rail, {
|
|
'-ms-touch-action': 'none'
|
|
});
|
|
self.css(self.cursor, {
|
|
'-ms-touch-action': 'none'
|
|
});
|
|
self.bind(self.win, "MSPointerDown", self.ontouchstart);
|
|
self.bind(_doc, "MSPointerUp", self.ontouchend);
|
|
self.delegate(_doc, "MSPointerMove", self.ontouchmove);
|
|
self.bind(self.cursor, "MSGestureHold", function (e) {
|
|
e.preventDefault();
|
|
});
|
|
self.bind(self.cursor, "contextmenu", function (e) {
|
|
e.preventDefault();
|
|
});
|
|
} else if (cap.cantouch) { // smartphones/touch devices
|
|
self.bind(self.win, "touchstart", self.ontouchstart, false, true);
|
|
self.bind(_doc, "touchend", self.ontouchend, false, true);
|
|
self.bind(_doc, "touchcancel", self.ontouchend, false, true);
|
|
self.delegate(_doc, "touchmove", self.ontouchmove, false, true);
|
|
}
|
|
|
|
if (opt.emulatetouch) {
|
|
self.bind(self.win, "mousedown", self.ontouchstart, false, true);
|
|
self.bind(_doc, "mouseup", self.ontouchend, false, true);
|
|
self.bind(_doc, "mousemove", self.ontouchmove, false, true);
|
|
}
|
|
|
|
if (opt.cursordragontouch || (!cap.cantouch && !opt.emulatetouch)) {
|
|
|
|
self.rail.css({
|
|
cursor: "default"
|
|
});
|
|
self.railh && self.railh.css({
|
|
cursor: "default"
|
|
});
|
|
|
|
self.jqbind(self.rail, "mouseenter", function () {
|
|
if (!self.ispage && !self.win.is(":visible")) return false;
|
|
if (self.canshowonmouseevent) self.showCursor();
|
|
self.rail.active = true;
|
|
});
|
|
self.jqbind(self.rail, "mouseleave", function () {
|
|
self.rail.active = false;
|
|
if (!self.rail.drag) self.hideCursor();
|
|
});
|
|
|
|
if (opt.sensitiverail) {
|
|
self.bind(self.rail, "click", function (e) {
|
|
self.doRailClick(e, false, false);
|
|
});
|
|
self.bind(self.rail, "dblclick", function (e) {
|
|
self.doRailClick(e, true, false);
|
|
});
|
|
self.bind(self.cursor, "click", function (e) {
|
|
self.cancelEvent(e);
|
|
});
|
|
self.bind(self.cursor, "dblclick", function (e) {
|
|
self.cancelEvent(e);
|
|
});
|
|
}
|
|
|
|
if (self.railh) {
|
|
self.jqbind(self.railh, "mouseenter", function () {
|
|
if (!self.ispage && !self.win.is(":visible")) return false;
|
|
if (self.canshowonmouseevent) self.showCursor();
|
|
self.rail.active = true;
|
|
});
|
|
self.jqbind(self.railh, "mouseleave", function () {
|
|
self.rail.active = false;
|
|
if (!self.rail.drag) self.hideCursor();
|
|
});
|
|
|
|
if (opt.sensitiverail) {
|
|
self.bind(self.railh, "click", function (e) {
|
|
self.doRailClick(e, false, true);
|
|
});
|
|
self.bind(self.railh, "dblclick", function (e) {
|
|
self.doRailClick(e, true, true);
|
|
});
|
|
self.bind(self.cursorh, "click", function (e) {
|
|
self.cancelEvent(e);
|
|
});
|
|
self.bind(self.cursorh, "dblclick", function (e) {
|
|
self.cancelEvent(e);
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (opt.cursordragontouch && (this.istouchcapable || cap.cantouch)) {
|
|
self.bind(self.cursor, "touchstart", self.ontouchstartCursor);
|
|
self.bind(self.cursor, "touchmove", self.ontouchmoveCursor);
|
|
self.bind(self.cursor, "touchend", self.ontouchendCursor);
|
|
self.cursorh && self.bind(self.cursorh, "touchstart", function (e) {
|
|
self.ontouchstartCursor(e, true);
|
|
});
|
|
self.cursorh && self.bind(self.cursorh, "touchmove", self.ontouchmoveCursor);
|
|
self.cursorh && self.bind(self.cursorh, "touchend", self.ontouchendCursor);
|
|
}
|
|
|
|
// if (!cap.cantouch && !opt.emulatetouch) {
|
|
if (!opt.emulatetouch && !cap.isandroid && !cap.isios) {
|
|
|
|
self.bind((cap.hasmousecapture) ? self.win : _doc, "mouseup", self.onmouseup);
|
|
self.bind(_doc, "mousemove", self.onmousemove);
|
|
if (self.onclick) self.bind(_doc, "click", self.onclick);
|
|
|
|
self.bind(self.cursor, "mousedown", self.onmousedown);
|
|
self.bind(self.cursor, "mouseup", self.onmouseup);
|
|
|
|
if (self.railh) {
|
|
self.bind(self.cursorh, "mousedown", function (e) {
|
|
self.onmousedown(e, true);
|
|
});
|
|
self.bind(self.cursorh, "mouseup", self.onmouseup);
|
|
}
|
|
|
|
if (!self.ispage && opt.enablescrollonselection) {
|
|
self.bind(self.win[0], "mousedown", self.onselectionstart);
|
|
self.bind(_doc, "mouseup", self.onselectionend);
|
|
self.bind(self.cursor, "mouseup", self.onselectionend);
|
|
if (self.cursorh) self.bind(self.cursorh, "mouseup", self.onselectionend);
|
|
self.bind(_doc, "mousemove", self.onselectiondrag);
|
|
}
|
|
|
|
if (self.zoom) {
|
|
self.jqbind(self.zoom, "mouseenter", function () {
|
|
if (self.canshowonmouseevent) self.showCursor();
|
|
self.rail.active = true;
|
|
});
|
|
self.jqbind(self.zoom, "mouseleave", function () {
|
|
self.rail.active = false;
|
|
if (!self.rail.drag) self.hideCursor();
|
|
});
|
|
}
|
|
|
|
} else {
|
|
|
|
self.bind((cap.hasmousecapture) ? self.win : _doc, "mouseup", self.ontouchend);
|
|
if (self.onclick) self.bind(_doc, "click", self.onclick);
|
|
|
|
if (opt.cursordragontouch) {
|
|
self.bind(self.cursor, "mousedown", self.onmousedown);
|
|
self.bind(self.cursor, "mouseup", self.onmouseup);
|
|
self.cursorh && self.bind(self.cursorh, "mousedown", function (e) {
|
|
self.onmousedown(e, true);
|
|
});
|
|
self.cursorh && self.bind(self.cursorh, "mouseup", self.onmouseup);
|
|
} else {
|
|
self.bind(self.rail, "mousedown", function (e) { e.preventDefault(); }); // prevent text selection
|
|
self.railh && self.bind(self.railh, "mousedown", function (e) { e.preventDefault(); });
|
|
}
|
|
|
|
}
|
|
|
|
|
|
if (opt.enablemousewheel) {
|
|
if (!self.isiframe) self.mousewheel((cap.isie && self.ispage) ? _doc : self.win, self.onmousewheel);
|
|
self.mousewheel(self.rail, self.onmousewheel);
|
|
if (self.railh) self.mousewheel(self.railh, self.onmousewheelhr);
|
|
}
|
|
|
|
if (!self.ispage && !cap.cantouch && !(/HTML|^BODY/.test(self.win[0].nodeName))) {
|
|
if (!self.win.attr("tabindex")) self.win.attr({
|
|
"tabindex": ++tabindexcounter
|
|
});
|
|
|
|
self.bind(self.win, "focus", function (e) { // better using native events
|
|
domfocus = (self.getTarget(e)).id || self.getTarget(e) || false;
|
|
self.hasfocus = true;
|
|
if (self.canshowonmouseevent) self.noticeCursor();
|
|
});
|
|
self.bind(self.win, "blur", function (e) { // *
|
|
domfocus = false;
|
|
self.hasfocus = false;
|
|
});
|
|
|
|
self.bind(self.win, "mouseenter", function (e) { // *
|
|
mousefocus = (self.getTarget(e)).id || self.getTarget(e) || false;
|
|
self.hasmousefocus = true;
|
|
if (self.canshowonmouseevent) self.noticeCursor();
|
|
});
|
|
self.bind(self.win, "mouseleave", function (e) { // *
|
|
mousefocus = false;
|
|
self.hasmousefocus = false;
|
|
if (!self.rail.drag) self.hideCursor();
|
|
});
|
|
|
|
}
|
|
|
|
|
|
//Thanks to http://www.quirksmode.org !!
|
|
self.onkeypress = function (e) {
|
|
if (self.railslocked && self.page.maxh === 0) return true;
|
|
|
|
e = e || _win.event;
|
|
var tg = self.getTarget(e);
|
|
if (tg && /INPUT|TEXTAREA|SELECT|OPTION/.test(tg.nodeName)) {
|
|
var tp = tg.getAttribute('type') || tg.type || false;
|
|
if ((!tp) || !(/submit|button|cancel/i.tp)) return true;
|
|
}
|
|
|
|
if ($(tg).attr('contenteditable')) return true;
|
|
|
|
if (self.hasfocus || (self.hasmousefocus && !domfocus) || (self.ispage && !domfocus && !mousefocus)) {
|
|
var key = e.keyCode;
|
|
|
|
if (self.railslocked && key != 27) return self.cancelEvent(e);
|
|
|
|
var ctrl = e.ctrlKey || false;
|
|
var shift = e.shiftKey || false;
|
|
|
|
var ret = false;
|
|
switch (key) {
|
|
case 38:
|
|
case 63233: //safari
|
|
self.doScrollBy(24 * 3);
|
|
ret = true;
|
|
break;
|
|
case 40:
|
|
case 63235: //safari
|
|
self.doScrollBy(-24 * 3);
|
|
ret = true;
|
|
break;
|
|
case 37:
|
|
case 63232: //safari
|
|
if (self.railh) {
|
|
(ctrl) ? self.doScrollLeft(0) : self.doScrollLeftBy(24 * 3);
|
|
ret = true;
|
|
}
|
|
break;
|
|
case 39:
|
|
case 63234: //safari
|
|
if (self.railh) {
|
|
(ctrl) ? self.doScrollLeft(self.page.maxw) : self.doScrollLeftBy(-24 * 3);
|
|
ret = true;
|
|
}
|
|
break;
|
|
case 33:
|
|
case 63276: // safari
|
|
self.doScrollBy(self.view.h);
|
|
ret = true;
|
|
break;
|
|
case 34:
|
|
case 63277: // safari
|
|
self.doScrollBy(-self.view.h);
|
|
ret = true;
|
|
break;
|
|
case 36:
|
|
case 63273: // safari
|
|
(self.railh && ctrl) ? self.doScrollPos(0, 0) : self.doScrollTo(0);
|
|
ret = true;
|
|
break;
|
|
case 35:
|
|
case 63275: // safari
|
|
(self.railh && ctrl) ? self.doScrollPos(self.page.maxw, self.page.maxh) : self.doScrollTo(self.page.maxh);
|
|
ret = true;
|
|
break;
|
|
case 32:
|
|
if (opt.spacebarenabled) {
|
|
(shift) ? self.doScrollBy(self.view.h) : self.doScrollBy(-self.view.h);
|
|
ret = true;
|
|
}
|
|
break;
|
|
case 27: // ESC
|
|
if (self.zoomactive) {
|
|
self.doZoom();
|
|
ret = true;
|
|
}
|
|
break;
|
|
}
|
|
if (ret) return self.cancelEvent(e);
|
|
}
|
|
};
|
|
|
|
if (opt.enablekeyboard) self.bind(_doc, (cap.isopera && !cap.isopera12) ? "keypress" : "keydown", self.onkeypress);
|
|
|
|
self.bind(_doc, "keydown", function (e) {
|
|
var ctrl = e.ctrlKey || false;
|
|
if (ctrl) self.wheelprevented = true;
|
|
});
|
|
self.bind(_doc, "keyup", function (e) {
|
|
var ctrl = e.ctrlKey || false;
|
|
if (!ctrl) self.wheelprevented = false;
|
|
});
|
|
self.bind(_win, "blur", function (e) {
|
|
self.wheelprevented = false;
|
|
});
|
|
|
|
self.bind(_win, 'resize', self.onscreenresize);
|
|
self.bind(_win, 'orientationchange', self.onscreenresize);
|
|
|
|
self.bind(_win, "load", self.lazyResize);
|
|
|
|
if (cap.ischrome && !self.ispage && !self.haswrapper) { //chrome void scrollbar bug - it persists in version 26
|
|
var tmp = self.win.attr("style");
|
|
var ww = parseFloat(self.win.css("width")) + 1;
|
|
self.win.css('width', ww);
|
|
self.synched("chromefix", function () {
|
|
self.win.attr("style", tmp);
|
|
});
|
|
}
|
|
|
|
|
|
// Trying a cross-browser implementation - good luck!
|
|
|
|
self.onAttributeChange = function (e) {
|
|
self.lazyResize(self.isieold ? 250 : 30);
|
|
};
|
|
|
|
if (opt.enableobserver) {
|
|
|
|
if ((!self.isie11) && (ClsMutationObserver !== false)) { // IE11 crashes #568
|
|
self.observerbody = new ClsMutationObserver(function (mutations) {
|
|
mutations.forEach(function (mut) {
|
|
if (mut.type == "attributes") {
|
|
return ($body.hasClass("modal-open") && $body.hasClass("modal-dialog") && !$.contains($('.modal-dialog')[0], self.doc[0])) ? self.hide() : self.show(); // Support for Bootstrap modal; Added check if the nice scroll element is inside a modal
|
|
}
|
|
});
|
|
if (self.me.clientWidth != self.page.width || self.me.clientHeight != self.page.height) return self.lazyResize(30);
|
|
});
|
|
self.observerbody.observe(_doc.body, {
|
|
childList: true,
|
|
subtree: true,
|
|
characterData: false,
|
|
attributes: true,
|
|
attributeFilter: ['class']
|
|
});
|
|
}
|
|
|
|
if (!self.ispage && !self.haswrapper) {
|
|
|
|
var _dom = self.win[0];
|
|
|
|
// redesigned MutationObserver for Chrome18+/Firefox14+/iOS6+ with support for: remove div, add/remove content
|
|
if (ClsMutationObserver !== false) {
|
|
self.observer = new ClsMutationObserver(function (mutations) {
|
|
mutations.forEach(self.onAttributeChange);
|
|
});
|
|
self.observer.observe(_dom, {
|
|
childList: true,
|
|
characterData: false,
|
|
attributes: true,
|
|
subtree: false
|
|
});
|
|
self.observerremover = new ClsMutationObserver(function (mutations) {
|
|
mutations.forEach(function (mo) {
|
|
if (mo.removedNodes.length > 0) {
|
|
for (var dd in mo.removedNodes) {
|
|
if (!!self && (mo.removedNodes[dd] === _dom)) return self.remove();
|
|
}
|
|
}
|
|
});
|
|
});
|
|
self.observerremover.observe(_dom.parentNode, {
|
|
childList: true,
|
|
characterData: false,
|
|
attributes: false,
|
|
subtree: false
|
|
});
|
|
} else {
|
|
self.bind(_dom, (cap.isie && !cap.isie9) ? "propertychange" : "DOMAttrModified", self.onAttributeChange);
|
|
if (cap.isie9) _dom.attachEvent("onpropertychange", self.onAttributeChange); //IE9 DOMAttrModified bug
|
|
self.bind(_dom, "DOMNodeRemoved", function (e) {
|
|
if (e.target === _dom) self.remove();
|
|
});
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
//
|
|
|
|
if (!self.ispage && opt.boxzoom) self.bind(_win, "resize", self.resizeZoom);
|
|
if (self.istextarea) {
|
|
self.bind(self.win, "keydown", self.lazyResize);
|
|
self.bind(self.win, "mouseup", self.lazyResize);
|
|
}
|
|
|
|
self.lazyResize(30);
|
|
|
|
}
|
|
|
|
if (this.doc[0].nodeName == 'IFRAME') {
|
|
var oniframeload = function () {
|
|
self.iframexd = false;
|
|
var doc;
|
|
try {
|
|
doc = 'contentDocument' in this ? this.contentDocument : this.contentWindow._doc;
|
|
var a = doc.domain;
|
|
} catch (e) {
|
|
self.iframexd = true;
|
|
doc = false;
|
|
}
|
|
|
|
if (self.iframexd) {
|
|
if ("console" in _win) console.log('NiceScroll error: policy restriced iframe');
|
|
return true; //cross-domain - I can't manage this
|
|
}
|
|
|
|
self.forcescreen = true;
|
|
|
|
if (self.isiframe) {
|
|
self.iframe = {
|
|
"doc": $(doc),
|
|
"html": self.doc.contents().find('html')[0],
|
|
"body": self.doc.contents().find('body')[0]
|
|
};
|
|
self.getContentSize = function () {
|
|
return {
|
|
w: Math.max(self.iframe.html.scrollWidth, self.iframe.body.scrollWidth),
|
|
h: Math.max(self.iframe.html.scrollHeight, self.iframe.body.scrollHeight)
|
|
};
|
|
};
|
|
self.docscroll = $(self.iframe.body);
|
|
}
|
|
|
|
if (!cap.isios && opt.iframeautoresize && !self.isiframe) {
|
|
self.win.scrollTop(0); // reset position
|
|
self.doc.height(""); //reset height to fix browser bug
|
|
var hh = Math.max(doc.getElementsByTagName('html')[0].scrollHeight, doc.body.scrollHeight);
|
|
self.doc.height(hh);
|
|
}
|
|
self.lazyResize(30);
|
|
|
|
self.css($(self.iframe.body), _scrollyhidden);
|
|
|
|
if (cap.isios && self.haswrapper) {
|
|
self.css($(doc.body), {
|
|
'-webkit-transform': 'translate3d(0,0,0)'
|
|
}); // avoid iFrame content clipping - thanks to http://blog.derraab.com/2012/04/02/avoid-iframe-content-clipping-with-css-transform-on-ios/
|
|
}
|
|
|
|
if ('contentWindow' in this) {
|
|
self.bind(this.contentWindow, "scroll", self.onscroll); //IE8 & minor
|
|
} else {
|
|
self.bind(doc, "scroll", self.onscroll);
|
|
}
|
|
|
|
if (opt.enablemousewheel) {
|
|
self.mousewheel(doc, self.onmousewheel);
|
|
}
|
|
|
|
if (opt.enablekeyboard) self.bind(doc, (cap.isopera) ? "keypress" : "keydown", self.onkeypress);
|
|
|
|
if (cap.cantouch) {
|
|
self.bind(doc, "touchstart", self.ontouchstart);
|
|
self.bind(doc, "touchmove", self.ontouchmove);
|
|
}
|
|
else if (opt.emulatetouch) {
|
|
self.bind(doc, "mousedown", self.ontouchstart);
|
|
self.bind(doc, "mousemove", function (e) {
|
|
return self.ontouchmove(e, true);
|
|
});
|
|
if (opt.grabcursorenabled && cap.cursorgrabvalue) self.css($(doc.body), {
|
|
'cursor': cap.cursorgrabvalue
|
|
});
|
|
}
|
|
|
|
self.bind(doc, "mouseup", self.ontouchend);
|
|
|
|
if (self.zoom) {
|
|
if (opt.dblclickzoom) self.bind(doc, 'dblclick', self.doZoom);
|
|
if (self.ongesturezoom) self.bind(doc, "gestureend", self.ongesturezoom);
|
|
}
|
|
};
|
|
|
|
if (this.doc[0].readyState && this.doc[0].readyState === "complete") {
|
|
setTimeout(function () {
|
|
oniframeload.call(self.doc[0], false);
|
|
}, 500);
|
|
}
|
|
self.bind(this.doc, "load", oniframeload);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
this.showCursor = function (py, px) {
|
|
if (self.cursortimeout) {
|
|
clearTimeout(self.cursortimeout);
|
|
self.cursortimeout = 0;
|
|
}
|
|
if (!self.rail) return;
|
|
if (self.autohidedom) {
|
|
self.autohidedom.stop().css({
|
|
opacity: opt.cursoropacitymax
|
|
});
|
|
self.cursoractive = true;
|
|
}
|
|
|
|
if (!self.rail.drag || self.rail.drag.pt != 1) {
|
|
if (py !== undefined && py !== false) {
|
|
self.scroll.y = (py / self.scrollratio.y) | 0;
|
|
}
|
|
if (px !== undefined) {
|
|
self.scroll.x = (px / self.scrollratio.x) | 0;
|
|
}
|
|
}
|
|
|
|
self.cursor.css({
|
|
height: self.cursorheight,
|
|
top: self.scroll.y
|
|
});
|
|
if (self.cursorh) {
|
|
var lx = (self.hasreversehr) ? self.scrollvaluemaxw - self.scroll.x : self.scroll.x;
|
|
self.cursorh.css({
|
|
width: self.cursorwidth,
|
|
left: (!self.rail.align && self.rail.visibility) ? lx + self.rail.width : lx
|
|
});
|
|
self.cursoractive = true;
|
|
}
|
|
|
|
if (self.zoom) self.zoom.stop().css({
|
|
opacity: opt.cursoropacitymax
|
|
});
|
|
};
|
|
|
|
this.hideCursor = function (tm) {
|
|
if (self.cursortimeout) return;
|
|
if (!self.rail) return;
|
|
if (!self.autohidedom) return;
|
|
|
|
if (self.hasmousefocus && opt.autohidemode === "leave") return;
|
|
self.cursortimeout = setTimeout(function () {
|
|
if (!self.rail.active || !self.showonmouseevent) {
|
|
self.autohidedom.stop().animate({
|
|
opacity: opt.cursoropacitymin
|
|
});
|
|
if (self.zoom) self.zoom.stop().animate({
|
|
opacity: opt.cursoropacitymin
|
|
});
|
|
self.cursoractive = false;
|
|
}
|
|
self.cursortimeout = 0;
|
|
}, tm || opt.hidecursordelay);
|
|
};
|
|
|
|
this.noticeCursor = function (tm, py, px) {
|
|
self.showCursor(py, px);
|
|
if (!self.rail.active) self.hideCursor(tm);
|
|
};
|
|
|
|
this.getContentSize =
|
|
(self.ispage) ?
|
|
function () {
|
|
return {
|
|
w: Math.max(_doc.body.scrollWidth, _doc.documentElement.scrollWidth),
|
|
h: Math.max(_doc.body.scrollHeight, _doc.documentElement.scrollHeight)
|
|
};
|
|
} : (self.haswrapper) ?
|
|
function () {
|
|
return {
|
|
w: self.doc[0].offsetWidth,
|
|
h: self.doc[0].offsetHeight
|
|
};
|
|
} : function () {
|
|
return {
|
|
w: self.docscroll[0].scrollWidth,
|
|
h: self.docscroll[0].scrollHeight
|
|
};
|
|
};
|
|
|
|
this.onResize = function (e, page) {
|
|
|
|
if (!self || !self.win) return false;
|
|
|
|
var premaxh = self.page.maxh,
|
|
premaxw = self.page.maxw,
|
|
previewh = self.view.h,
|
|
previeww = self.view.w;
|
|
|
|
self.view = {
|
|
w: (self.ispage) ? self.win.width() : self.win[0].clientWidth,
|
|
h: (self.ispage) ? self.win.height() : self.win[0].clientHeight
|
|
};
|
|
|
|
self.page = (page) ? page : self.getContentSize();
|
|
|
|
self.page.maxh = Math.max(0, self.page.h - self.view.h);
|
|
self.page.maxw = Math.max(0, self.page.w - self.view.w);
|
|
|
|
if ((self.page.maxh == premaxh) && (self.page.maxw == premaxw) && (self.view.w == previeww) && (self.view.h == previewh)) {
|
|
// test position
|
|
if (!self.ispage) {
|
|
var pos = self.win.offset();
|
|
if (self.lastposition) {
|
|
var lst = self.lastposition;
|
|
if ((lst.top == pos.top) && (lst.left == pos.left)) return self; //nothing to do
|
|
}
|
|
self.lastposition = pos;
|
|
} else {
|
|
return self; //nothing to do
|
|
}
|
|
}
|
|
|
|
if (self.page.maxh === 0) {
|
|
self.hideRail();
|
|
self.scrollvaluemax = 0;
|
|
self.scroll.y = 0;
|
|
self.scrollratio.y = 0;
|
|
self.cursorheight = 0;
|
|
self.setScrollTop(0);
|
|
if (self.rail) self.rail.scrollable = false;
|
|
} else {
|
|
self.page.maxh -= (opt.railpadding.top + opt.railpadding.bottom);
|
|
self.rail.scrollable = true;
|
|
}
|
|
|
|
if (self.page.maxw === 0) {
|
|
self.hideRailHr();
|
|
self.scrollvaluemaxw = 0;
|
|
self.scroll.x = 0;
|
|
self.scrollratio.x = 0;
|
|
self.cursorwidth = 0;
|
|
self.setScrollLeft(0);
|
|
if (self.railh) {
|
|
self.railh.scrollable = false;
|
|
}
|
|
} else {
|
|
self.page.maxw -= (opt.railpadding.left + opt.railpadding.right);
|
|
if (self.railh) self.railh.scrollable = (opt.horizrailenabled);
|
|
}
|
|
|
|
self.railslocked = (self.locked) || ((self.page.maxh === 0) && (self.page.maxw === 0));
|
|
if (self.railslocked) {
|
|
if (!self.ispage) self.updateScrollBar(self.view);
|
|
return false;
|
|
}
|
|
|
|
if (!self.hidden) {
|
|
if (!self.rail.visibility) self.showRail();
|
|
if (self.railh && !self.railh.visibility) self.showRailHr();
|
|
}
|
|
|
|
if (self.istextarea && self.win.css('resize') && self.win.css('resize') != 'none') self.view.h -= 20;
|
|
|
|
self.cursorheight = Math.min(self.view.h, Math.round(self.view.h * (self.view.h / self.page.h)));
|
|
self.cursorheight = (opt.cursorfixedheight) ? opt.cursorfixedheight : Math.max(opt.cursorminheight, self.cursorheight);
|
|
|
|
self.cursorwidth = Math.min(self.view.w, Math.round(self.view.w * (self.view.w / self.page.w)));
|
|
self.cursorwidth = (opt.cursorfixedheight) ? opt.cursorfixedheight : Math.max(opt.cursorminheight, self.cursorwidth);
|
|
|
|
self.scrollvaluemax = self.view.h - self.cursorheight - (opt.railpadding.top + opt.railpadding.bottom);
|
|
if (!self.hasborderbox) self.scrollvaluemax -= self.cursor[0].offsetHeight - self.cursor[0].clientHeight;
|
|
|
|
if (self.railh) {
|
|
self.railh.width = (self.page.maxh > 0) ? (self.rail.width) : self.view.w;
|
|
self.scrollvaluemaxw = self.railh.width - self.cursorwidth - (opt.railpadding.left + opt.railpadding.right);
|
|
}
|
|
|
|
if (!self.ispage) self.updateScrollBar(self.view);
|
|
|
|
self.scrollratio = {
|
|
x: (self.page.maxw / self.scrollvaluemaxw),
|
|
y: (self.page.maxh / self.scrollvaluemax)
|
|
};
|
|
|
|
var sy = self.getScrollTop();
|
|
if (sy > self.page.maxh) {
|
|
self.doScrollTop(self.page.maxh);
|
|
} else {
|
|
self.scroll.y = (self.getScrollTop() / self.scrollratio.y) | 0;
|
|
self.scroll.x = (self.getScrollLeft() / self.scrollratio.x) | 0;
|
|
if (self.cursoractive) self.noticeCursor();
|
|
}
|
|
|
|
if (self.scroll.y && (self.getScrollTop() === 0)) self.doScrollTo((self.scroll.y * self.scrollratio.y)|0);
|
|
|
|
return self;
|
|
};
|
|
|
|
this.resize = self.onResize;
|
|
|
|
var hlazyresize = 0;
|
|
|
|
this.onscreenresize = function(e) {
|
|
clearTimeout(hlazyresize);
|
|
|
|
var hiderails = (!self.ispage && !self.haswrapper);
|
|
if (hiderails) self.hideRails();
|
|
|
|
hlazyresize = setTimeout(function () {
|
|
if (self) {
|
|
if (hiderails) self.showRails();
|
|
self.resize();
|
|
}
|
|
hlazyresize=0;
|
|
}, 120);
|
|
};
|
|
|
|
this.lazyResize = function (tm) { // event debounce
|
|
|
|
clearTimeout(hlazyresize);
|
|
|
|
tm = isNaN(tm) ? 240 : tm;
|
|
|
|
hlazyresize = setTimeout(function () {
|
|
self && self.resize();
|
|
hlazyresize=0;
|
|
}, tm);
|
|
|
|
return self;
|
|
|
|
};
|
|
|
|
// derived by MDN https://developer.mozilla.org/en-US/docs/DOM/Mozilla_event_reference/wheel
|
|
function _modernWheelEvent(dom, name, fn, bubble) {
|
|
self._bind(dom, name, function (e) {
|
|
e = e || _win.event;
|
|
var event = {
|
|
original: e,
|
|
target: e.target || e.srcElement,
|
|
type: "wheel",
|
|
deltaMode: e.type == "MozMousePixelScroll" ? 0 : 1,
|
|
deltaX: 0,
|
|
deltaZ: 0,
|
|
preventDefault: function () {
|
|
e.preventDefault ? e.preventDefault() : e.returnValue = false;
|
|
return false;
|
|
},
|
|
stopImmediatePropagation: function () {
|
|
(e.stopImmediatePropagation) ? e.stopImmediatePropagation() : e.cancelBubble = true;
|
|
}
|
|
};
|
|
|
|
if (name == "mousewheel") {
|
|
e.wheelDeltaX && (event.deltaX = -1 / 40 * e.wheelDeltaX);
|
|
e.wheelDeltaY && (event.deltaY = -1 / 40 * e.wheelDeltaY);
|
|
!event.deltaY && !event.deltaX && (event.deltaY = -1 / 40 * e.wheelDelta);
|
|
} else {
|
|
event.deltaY = e.detail;
|
|
}
|
|
|
|
return fn.call(dom, event);
|
|
}, bubble);
|
|
}
|
|
|
|
|
|
|
|
this.jqbind = function (dom, name, fn) { // use jquery bind for non-native events (mouseenter/mouseleave)
|
|
self.events.push({
|
|
e: dom,
|
|
n: name,
|
|
f: fn,
|
|
q: true
|
|
});
|
|
$(dom).on(name, fn);
|
|
};
|
|
|
|
this.mousewheel = function (dom, fn, bubble) { // bind mousewheel
|
|
var el = ("jquery" in dom) ? dom[0] : dom;
|
|
if ("onwheel" in _doc.createElement("div")) { // Modern browsers support "wheel"
|
|
self._bind(el, "wheel", fn, bubble || false);
|
|
} else {
|
|
var wname = (_doc.onmousewheel !== undefined) ? "mousewheel" : "DOMMouseScroll"; // older Webkit+IE support or older Firefox
|
|
_modernWheelEvent(el, wname, fn, bubble || false);
|
|
if (wname == "DOMMouseScroll") _modernWheelEvent(el, "MozMousePixelScroll", fn, bubble || false); // Firefox legacy
|
|
}
|
|
};
|
|
|
|
var passiveSupported = false;
|
|
|
|
if (cap.haseventlistener) { // W3C standard event model
|
|
|
|
// thanks to https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener
|
|
try { var options = Object.defineProperty({}, "passive", { get: function () { passiveSupported = !0; } }); _win.addEventListener("test", null, options); } catch (err) { }
|
|
|
|
this.stopPropagation = function (e) {
|
|
if (!e) return false;
|
|
e = (e.original) ? e.original : e;
|
|
e.stopPropagation();
|
|
return false;
|
|
};
|
|
|
|
this.cancelEvent = function(e) {
|
|
if (e.cancelable) e.preventDefault();
|
|
e.stopImmediatePropagation();
|
|
if (e.preventManipulation) e.preventManipulation(); // IE10+
|
|
return false;
|
|
};
|
|
|
|
} else {
|
|
|
|
// inspired from https://gist.github.com/jonathantneal/2415137
|
|
|
|
Event.prototype.preventDefault = function () {
|
|
this.returnValue = false;
|
|
};
|
|
|
|
Event.prototype.stopPropagation = function () {
|
|
this.cancelBubble = true;
|
|
};
|
|
|
|
_win.constructor.prototype.addEventListener = _doc.constructor.prototype.addEventListener = Element.prototype.addEventListener = function (type, listener, useCapture) {
|
|
this.attachEvent("on" + type, listener);
|
|
};
|
|
_win.constructor.prototype.removeEventListener = _doc.constructor.prototype.removeEventListener = Element.prototype.removeEventListener = function (type, listener, useCapture) {
|
|
this.detachEvent("on" + type, listener);
|
|
};
|
|
|
|
// Thanks to http://www.switchonthecode.com !!
|
|
this.cancelEvent = function (e) {
|
|
e = e || _win.event;
|
|
if (e) {
|
|
e.cancelBubble = true;
|
|
e.cancel = true;
|
|
e.returnValue = false;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
this.stopPropagation = function (e) {
|
|
e = e || _win.event;
|
|
if (e) e.cancelBubble = true;
|
|
return false;
|
|
};
|
|
|
|
}
|
|
|
|
this.delegate = function (dom, name, fn, bubble, active) {
|
|
|
|
var de = delegatevents[name] || false;
|
|
|
|
if (!de) {
|
|
|
|
de = {
|
|
a: [],
|
|
l: [],
|
|
f: function (e) {
|
|
var lst = de.l, l = lst.length - 1;
|
|
var r = false;
|
|
for (var a = l; a >= 0; a--) {
|
|
r = lst[a].call(e.target, e);
|
|
if (r === false) return false;
|
|
}
|
|
return r;
|
|
}
|
|
};
|
|
|
|
self.bind(dom, name, de.f, bubble, active);
|
|
|
|
delegatevents[name] = de;
|
|
|
|
}
|
|
|
|
if (self.ispage) {
|
|
de.a = [self.id].concat(de.a);
|
|
de.l = [fn].concat(de.l);
|
|
} else {
|
|
de.a.push(self.id);
|
|
de.l.push(fn);
|
|
}
|
|
|
|
};
|
|
|
|
this.undelegate = function (dom, name, fn, bubble, active) {
|
|
var de = delegatevents[name]||false;
|
|
if (de&&de.l) { // quick fix #683
|
|
for (var a=0,l=de.l.length;a<l;a++) {
|
|
if (de.a[a] === self.id) {
|
|
de.a.splice(a);
|
|
de.l.splice(a);
|
|
if (de.a.length===0) {
|
|
self._unbind(dom,name,de.l.f);
|
|
delegatevents[name] = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
this.bind = function (dom, name, fn, bubble, active) {
|
|
var el = ("jquery" in dom) ? dom[0] : dom;
|
|
self._bind(el, name, fn, bubble || false, active || false);
|
|
};
|
|
|
|
this._bind = function (el, name, fn, bubble, active) { // primitive bind
|
|
|
|
self.events.push({
|
|
e: el,
|
|
n: name,
|
|
f: fn,
|
|
b: bubble,
|
|
q: false
|
|
});
|
|
|
|
(passiveSupported && active) ? el.addEventListener(name, fn, { passive: false, capture: bubble }) : el.addEventListener(name, fn, bubble || false);
|
|
};
|
|
|
|
this._unbind = function (el, name, fn, bub) { // primitive unbind
|
|
if (delegatevents[name]) self.undelegate(el, name, fn, bub);
|
|
else el.removeEventListener(name, fn, bub);
|
|
};
|
|
|
|
this.unbindAll = function () {
|
|
for (var a = 0; a < self.events.length; a++) {
|
|
var r = self.events[a];
|
|
(r.q) ? r.e.unbind(r.n, r.f) : self._unbind(r.e, r.n, r.f, r.b);
|
|
}
|
|
};
|
|
|
|
this.showRails = function () {
|
|
return self.showRail().showRailHr();
|
|
};
|
|
|
|
this.showRail = function () {
|
|
if ((self.page.maxh !== 0) && (self.ispage || self.win.css('display') != 'none')) {
|
|
//self.visibility = true;
|
|
self.rail.visibility = true;
|
|
self.rail.css('display', 'block');
|
|
}
|
|
return self;
|
|
};
|
|
|
|
this.showRailHr = function () {
|
|
if (self.railh) {
|
|
if ((self.page.maxw !== 0) && (self.ispage || self.win.css('display') != 'none')) {
|
|
self.railh.visibility = true;
|
|
self.railh.css('display', 'block');
|
|
}
|
|
}
|
|
return self;
|
|
};
|
|
|
|
this.hideRails = function () {
|
|
return self.hideRail().hideRailHr();
|
|
};
|
|
|
|
this.hideRail = function () {
|
|
//self.visibility = false;
|
|
self.rail.visibility = false;
|
|
self.rail.css('display', 'none');
|
|
return self;
|
|
};
|
|
|
|
this.hideRailHr = function () {
|
|
if (self.railh) {
|
|
self.railh.visibility = false;
|
|
self.railh.css('display', 'none');
|
|
}
|
|
return self;
|
|
};
|
|
|
|
this.show = function () {
|
|
self.hidden = false;
|
|
self.railslocked = false;
|
|
return self.showRails();
|
|
};
|
|
|
|
this.hide = function () {
|
|
self.hidden = true;
|
|
self.railslocked = true;
|
|
return self.hideRails();
|
|
};
|
|
|
|
this.toggle = function () {
|
|
return (self.hidden) ? self.show() : self.hide();
|
|
};
|
|
|
|
this.remove = function () {
|
|
self.stop();
|
|
if (self.cursortimeout) clearTimeout(self.cursortimeout);
|
|
for (var n in self.delaylist) if (self.delaylist[n]) clearAnimationFrame(self.delaylist[n].h);
|
|
self.doZoomOut();
|
|
self.unbindAll();
|
|
|
|
if (cap.isie9) self.win[0].detachEvent("onpropertychange", self.onAttributeChange); //IE9 DOMAttrModified bug
|
|
|
|
if (self.observer !== false) self.observer.disconnect();
|
|
if (self.observerremover !== false) self.observerremover.disconnect();
|
|
if (self.observerbody !== false) self.observerbody.disconnect();
|
|
|
|
self.events = null;
|
|
|
|
if (self.cursor) {
|
|
self.cursor.remove();
|
|
}
|
|
if (self.cursorh) {
|
|
self.cursorh.remove();
|
|
}
|
|
if (self.rail) {
|
|
self.rail.remove();
|
|
}
|
|
if (self.railh) {
|
|
self.railh.remove();
|
|
}
|
|
if (self.zoom) {
|
|
self.zoom.remove();
|
|
}
|
|
for (var a = 0; a < self.saved.css.length; a++) {
|
|
var d = self.saved.css[a];
|
|
d[0].css(d[1], (d[2] === undefined) ? '' : d[2]);
|
|
}
|
|
self.saved = false;
|
|
self.me.data('__nicescroll', ''); //erase all traces
|
|
|
|
// memory leak fixed by GianlucaGuarini - thanks a lot!
|
|
// remove the current nicescroll from the $.nicescroll array & normalize array
|
|
var lst = $.nicescroll;
|
|
lst.each(function (i) {
|
|
if (!this) return;
|
|
if (this.id === self.id) {
|
|
delete lst[i];
|
|
for (var b = ++i; b < lst.length; b++ , i++) lst[i] = lst[b];
|
|
lst.length--;
|
|
if (lst.length) delete lst[lst.length];
|
|
}
|
|
});
|
|
|
|
for (var i in self) {
|
|
self[i] = null;
|
|
delete self[i];
|
|
}
|
|
|
|
self = null;
|
|
|
|
};
|
|
|
|
this.scrollstart = function (fn) {
|
|
this.onscrollstart = fn;
|
|
return self;
|
|
};
|
|
this.scrollend = function (fn) {
|
|
this.onscrollend = fn;
|
|
return self;
|
|
};
|
|
this.scrollcancel = function (fn) {
|
|
this.onscrollcancel = fn;
|
|
return self;
|
|
};
|
|
|
|
this.zoomin = function (fn) {
|
|
this.onzoomin = fn;
|
|
return self;
|
|
};
|
|
this.zoomout = function (fn) {
|
|
this.onzoomout = fn;
|
|
return self;
|
|
};
|
|
|
|
this.isScrollable = function (e) {
|
|
var dom = (e.target) ? e.target : e;
|
|
if (dom.nodeName == 'OPTION') return true;
|
|
while (dom && (dom.nodeType == 1) && (dom !== this.me[0]) && !(/^BODY|HTML/.test(dom.nodeName))) {
|
|
var dd = $(dom);
|
|
var ov = dd.css('overflowY') || dd.css('overflowX') || dd.css('overflow') || '';
|
|
if (/scroll|auto/.test(ov)) return (dom.clientHeight != dom.scrollHeight);
|
|
dom = (dom.parentNode) ? dom.parentNode : false;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
this.getViewport = function (me) {
|
|
var dom = (me && me.parentNode) ? me.parentNode : false;
|
|
while (dom && (dom.nodeType == 1) && !(/^BODY|HTML/.test(dom.nodeName))) {
|
|
var dd = $(dom);
|
|
if (/fixed|absolute/.test(dd.css("position"))) return dd;
|
|
var ov = dd.css('overflowY') || dd.css('overflowX') || dd.css('overflow') || '';
|
|
if ((/scroll|auto/.test(ov)) && (dom.clientHeight != dom.scrollHeight)) return dd;
|
|
if (dd.getNiceScroll().length > 0) return dd;
|
|
dom = (dom.parentNode) ? dom.parentNode : false;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
this.triggerScrollStart = function (cx, cy, rx, ry, ms) {
|
|
|
|
if (self.onscrollstart) {
|
|
var info = {
|
|
type: "scrollstart",
|
|
current: {
|
|
x: cx,
|
|
y: cy
|
|
},
|
|
request: {
|
|
x: rx,
|
|
y: ry
|
|
},
|
|
end: {
|
|
x: self.newscrollx,
|
|
y: self.newscrolly
|
|
},
|
|
speed: ms
|
|
};
|
|
self.onscrollstart.call(self, info);
|
|
}
|
|
|
|
};
|
|
|
|
this.triggerScrollEnd = function () {
|
|
if (self.onscrollend) {
|
|
|
|
var px = self.getScrollLeft();
|
|
var py = self.getScrollTop();
|
|
|
|
var info = {
|
|
type: "scrollend",
|
|
current: {
|
|
x: px,
|
|
y: py
|
|
},
|
|
end: {
|
|
x: px,
|
|
y: py
|
|
}
|
|
};
|
|
|
|
self.onscrollend.call(self, info);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
var scrolldiry = 0, scrolldirx = 0, scrolltmr = 0, scrollspd = 1;
|
|
|
|
function doScrollRelative(px, py, chkscroll, iswheel) {
|
|
|
|
if (!self.scrollrunning) {
|
|
self.newscrolly = self.getScrollTop();
|
|
self.newscrollx = self.getScrollLeft();
|
|
scrolltmr = now();
|
|
}
|
|
|
|
var gap = (now() - scrolltmr);
|
|
scrolltmr = now();
|
|
|
|
if (gap > 350) {
|
|
scrollspd = 1;
|
|
} else {
|
|
scrollspd += (2 - scrollspd) / 10;
|
|
}
|
|
|
|
px = px * scrollspd | 0;
|
|
py = py * scrollspd | 0;
|
|
|
|
if (px) {
|
|
|
|
if (iswheel) { // mouse-only
|
|
if (px < 0) { // fix apple magic mouse swipe back/forward
|
|
if (self.getScrollLeft() >= self.page.maxw) return true;
|
|
} else {
|
|
if (self.getScrollLeft() <= 0) return true;
|
|
}
|
|
}
|
|
|
|
var dx = px > 0 ? 1 : -1;
|
|
|
|
if (scrolldirx !== dx) {
|
|
if (self.scrollmom) self.scrollmom.stop();
|
|
self.newscrollx = self.getScrollLeft();
|
|
scrolldirx = dx;
|
|
}
|
|
|
|
self.lastdeltax -= px;
|
|
|
|
}
|
|
|
|
if (py) {
|
|
|
|
var chk = (function () {
|
|
var top = self.getScrollTop();
|
|
if (py < 0) {
|
|
if (top >= self.page.maxh) return true;
|
|
} else {
|
|
if (top <= 0) return true;
|
|
}
|
|
})();
|
|
|
|
if (chk) {
|
|
if (opt.nativeparentscrolling && chkscroll && !self.ispage && !self.zoomactive) return true;
|
|
var ny = self.view.h >> 1;
|
|
if (self.newscrolly < -ny) { self.newscrolly = -ny; py = -1; }
|
|
else if (self.newscrolly > self.page.maxh + ny) { self.newscrolly = self.page.maxh + ny; py = 1; }
|
|
else py = 0;
|
|
}
|
|
|
|
var dy = py > 0 ? 1 : -1;
|
|
|
|
if (scrolldiry !== dy) {
|
|
if (self.scrollmom) self.scrollmom.stop();
|
|
self.newscrolly = self.getScrollTop();
|
|
scrolldiry = dy;
|
|
}
|
|
|
|
self.lastdeltay -= py;
|
|
|
|
}
|
|
|
|
if (py || px) {
|
|
self.synched("relativexy", function () {
|
|
|
|
var dty = self.lastdeltay + self.newscrolly;
|
|
self.lastdeltay = 0;
|
|
|
|
var dtx = self.lastdeltax + self.newscrollx;
|
|
self.lastdeltax = 0;
|
|
|
|
if (!self.rail.drag) self.doScrollPos(dtx, dty);
|
|
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
var hasparentscrollingphase = false;
|
|
|
|
function execScrollWheel(e, hr, chkscroll) {
|
|
var px, py;
|
|
|
|
if (!chkscroll && hasparentscrollingphase) return true;
|
|
|
|
if (e.deltaMode === 0) { // PIXEL
|
|
px = -(e.deltaX * (opt.mousescrollstep / (18 * 3))) | 0;
|
|
py = -(e.deltaY * (opt.mousescrollstep / (18 * 3))) | 0;
|
|
} else if (e.deltaMode === 1) { // LINE
|
|
px = -(e.deltaX * opt.mousescrollstep * 50 / 80) | 0;
|
|
py = -(e.deltaY * opt.mousescrollstep * 50 / 80) | 0;
|
|
}
|
|
|
|
if (hr && opt.oneaxismousemode && (px === 0) && py) { // classic vertical-only mousewheel + browser with x/y support
|
|
px = py;
|
|
py = 0;
|
|
|
|
if (chkscroll) {
|
|
var hrend = (px < 0) ? (self.getScrollLeft() >= self.page.maxw) : (self.getScrollLeft() <= 0);
|
|
if (hrend) { // preserve vertical scrolling
|
|
py = px;
|
|
px = 0;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// invert horizontal direction for rtl mode
|
|
if (self.isrtlmode) px = -px;
|
|
|
|
var chk = doScrollRelative(px, py, chkscroll, true);
|
|
|
|
if (chk) {
|
|
if (chkscroll) hasparentscrollingphase = true;
|
|
} else {
|
|
hasparentscrollingphase = false;
|
|
e.stopImmediatePropagation();
|
|
return e.preventDefault();
|
|
}
|
|
|
|
}
|
|
|
|
this.onmousewheel = function (e) {
|
|
if (self.wheelprevented||self.locked) return false;
|
|
if (self.railslocked) {
|
|
self.debounced("checkunlock", self.resize, 250);
|
|
return false;
|
|
}
|
|
if (self.rail.drag) return self.cancelEvent(e);
|
|
|
|
if (opt.oneaxismousemode === "auto" && e.deltaX !== 0) opt.oneaxismousemode = false; // check two-axis mouse support (not very elegant)
|
|
|
|
if (opt.oneaxismousemode && e.deltaX === 0) {
|
|
if (!self.rail.scrollable) {
|
|
if (self.railh && self.railh.scrollable) {
|
|
return self.onmousewheelhr(e);
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
var nw = now();
|
|
var chk = false;
|
|
if (opt.preservenativescrolling && ((self.checkarea + 600) < nw)) {
|
|
self.nativescrollingarea = self.isScrollable(e);
|
|
chk = true;
|
|
}
|
|
self.checkarea = nw;
|
|
if (self.nativescrollingarea) return true; // this isn't my business
|
|
var ret = execScrollWheel(e, false, chk);
|
|
if (ret) self.checkarea = 0;
|
|
return ret;
|
|
};
|
|
|
|
this.onmousewheelhr = function (e) {
|
|
if (self.wheelprevented) return;
|
|
if (self.railslocked || !self.railh.scrollable) return true;
|
|
if (self.rail.drag) return self.cancelEvent(e);
|
|
|
|
var nw = now();
|
|
var chk = false;
|
|
if (opt.preservenativescrolling && ((self.checkarea + 600) < nw)) {
|
|
self.nativescrollingarea = self.isScrollable(e);
|
|
chk = true;
|
|
}
|
|
self.checkarea = nw;
|
|
if (self.nativescrollingarea) return true; // this is not my business
|
|
if (self.railslocked) return self.cancelEvent(e);
|
|
|
|
return execScrollWheel(e, true, chk);
|
|
};
|
|
|
|
this.stop = function () {
|
|
self.cancelScroll();
|
|
if (self.scrollmon) self.scrollmon.stop();
|
|
self.cursorfreezed = false;
|
|
self.scroll.y = Math.round(self.getScrollTop() * (1 / self.scrollratio.y));
|
|
self.noticeCursor();
|
|
return self;
|
|
};
|
|
|
|
this.getTransitionSpeed = function (dif) {
|
|
|
|
return 80 + (dif / 72) * opt.scrollspeed |0;
|
|
|
|
};
|
|
|
|
if (!opt.smoothscroll) {
|
|
this.doScrollLeft = function (x, spd) { //direct
|
|
var y = self.getScrollTop();
|
|
self.doScrollPos(x, y, spd);
|
|
};
|
|
this.doScrollTop = function (y, spd) { //direct
|
|
var x = self.getScrollLeft();
|
|
self.doScrollPos(x, y, spd);
|
|
};
|
|
this.doScrollPos = function (x, y, spd) { //direct
|
|
var nx = (x > self.page.maxw) ? self.page.maxw : x;
|
|
if (nx < 0) nx = 0;
|
|
var ny = (y > self.page.maxh) ? self.page.maxh : y;
|
|
if (ny < 0) ny = 0;
|
|
self.synched('scroll', function () {
|
|
self.setScrollTop(ny);
|
|
self.setScrollLeft(nx);
|
|
});
|
|
};
|
|
this.cancelScroll = function () { }; // direct
|
|
|
|
} else if (self.ishwscroll && cap.hastransition && opt.usetransition && !!opt.smoothscroll) {
|
|
|
|
var lasttransitionstyle = '';
|
|
|
|
this.resetTransition = function () {
|
|
lasttransitionstyle = '';
|
|
self.doc.css(cap.prefixstyle + 'transition-duration', '0ms');
|
|
};
|
|
|
|
this.prepareTransition = function (dif, istime) {
|
|
var ex = (istime) ? dif : self.getTransitionSpeed(dif);
|
|
var trans = ex + 'ms';
|
|
if (lasttransitionstyle !== trans) {
|
|
lasttransitionstyle = trans;
|
|
self.doc.css(cap.prefixstyle + 'transition-duration', trans);
|
|
}
|
|
return ex;
|
|
};
|
|
|
|
this.doScrollLeft = function (x, spd) { //trans
|
|
var y = (self.scrollrunning) ? self.newscrolly : self.getScrollTop();
|
|
self.doScrollPos(x, y, spd);
|
|
};
|
|
|
|
this.doScrollTop = function (y, spd) { //trans
|
|
var x = (self.scrollrunning) ? self.newscrollx : self.getScrollLeft();
|
|
self.doScrollPos(x, y, spd);
|
|
};
|
|
|
|
this.cursorupdate = {
|
|
running: false,
|
|
start: function () {
|
|
var m = this;
|
|
|
|
if (m.running) return;
|
|
m.running = true;
|
|
|
|
var loop = function () {
|
|
if (m.running) setAnimationFrame(loop);
|
|
self.showCursor(self.getScrollTop(), self.getScrollLeft());
|
|
self.notifyScrollEvent(self.win[0]);
|
|
};
|
|
|
|
setAnimationFrame(loop);
|
|
},
|
|
stop: function () {
|
|
this.running = false;
|
|
}
|
|
};
|
|
|
|
this.doScrollPos = function (x, y, spd) { //trans
|
|
|
|
var py = self.getScrollTop();
|
|
var px = self.getScrollLeft();
|
|
|
|
if (((self.newscrolly - py) * (y - py) < 0) || ((self.newscrollx - px) * (x - px) < 0)) self.cancelScroll(); //inverted movement detection
|
|
|
|
if (!opt.bouncescroll) {
|
|
if (y < 0) y = 0;
|
|
else if (y > self.page.maxh) y = self.page.maxh;
|
|
if (x < 0) x = 0;
|
|
else if (x > self.page.maxw) x = self.page.maxw;
|
|
} else {
|
|
if (y < 0) y = y / 2 | 0;
|
|
else if (y > self.page.maxh) y = self.page.maxh + (y - self.page.maxh) / 2 | 0;
|
|
if (x < 0) x = x / 2 | 0;
|
|
else if (x > self.page.maxw) x = self.page.maxw + (x - self.page.maxw) / 2 | 0;
|
|
}
|
|
|
|
if (self.scrollrunning && x == self.newscrollx && y == self.newscrolly) return false;
|
|
|
|
self.newscrolly = y;
|
|
self.newscrollx = x;
|
|
|
|
var top = self.getScrollTop();
|
|
var lft = self.getScrollLeft();
|
|
|
|
var dst = {};
|
|
dst.x = x - lft;
|
|
dst.y = y - top;
|
|
|
|
var dd = Math.sqrt((dst.x * dst.x) + (dst.y * dst.y)) | 0;
|
|
|
|
var ms = self.prepareTransition(dd);
|
|
|
|
if (!self.scrollrunning) {
|
|
self.scrollrunning = true;
|
|
self.triggerScrollStart(lft, top, x, y, ms);
|
|
self.cursorupdate.start();
|
|
}
|
|
|
|
self.scrollendtrapped = true;
|
|
|
|
if (!cap.transitionend) {
|
|
if (self.scrollendtrapped) clearTimeout(self.scrollendtrapped);
|
|
self.scrollendtrapped = setTimeout(self.onScrollTransitionEnd, ms); // simulate transitionend event
|
|
}
|
|
|
|
self.setScrollTop(self.newscrolly);
|
|
self.setScrollLeft(self.newscrollx);
|
|
|
|
};
|
|
|
|
this.cancelScroll = function () {
|
|
if (!self.scrollendtrapped) return true;
|
|
var py = self.getScrollTop();
|
|
var px = self.getScrollLeft();
|
|
self.scrollrunning = false;
|
|
if (!cap.transitionend) clearTimeout(cap.transitionend);
|
|
self.scrollendtrapped = false;
|
|
self.resetTransition();
|
|
self.setScrollTop(py); // fire event onscroll
|
|
if (self.railh) self.setScrollLeft(px);
|
|
if (self.timerscroll && self.timerscroll.tm) clearInterval(self.timerscroll.tm);
|
|
self.timerscroll = false;
|
|
|
|
self.cursorfreezed = false;
|
|
|
|
self.cursorupdate.stop();
|
|
self.showCursor(py, px);
|
|
return self;
|
|
};
|
|
|
|
this.onScrollTransitionEnd = function () {
|
|
|
|
if (!self.scrollendtrapped) return;
|
|
|
|
var py = self.getScrollTop();
|
|
var px = self.getScrollLeft();
|
|
|
|
if (py < 0) py = 0;
|
|
else if (py > self.page.maxh) py = self.page.maxh;
|
|
if (px < 0) px = 0;
|
|
else if (px > self.page.maxw) px = self.page.maxw;
|
|
if ((py != self.newscrolly) || (px != self.newscrollx)) return self.doScrollPos(px, py, opt.snapbackspeed);
|
|
|
|
if (self.scrollrunning) self.triggerScrollEnd();
|
|
self.scrollrunning = false;
|
|
|
|
self.scrollendtrapped = false;
|
|
self.resetTransition();
|
|
self.timerscroll = false;
|
|
self.setScrollTop(py); // fire event onscroll
|
|
if (self.railh) self.setScrollLeft(px); // fire event onscroll left
|
|
|
|
self.cursorupdate.stop();
|
|
self.noticeCursor(false, py, px);
|
|
|
|
self.cursorfreezed = false;
|
|
|
|
};
|
|
|
|
} else {
|
|
|
|
this.doScrollLeft = function (x, spd) { //no-trans
|
|
var y = (self.scrollrunning) ? self.newscrolly : self.getScrollTop();
|
|
self.doScrollPos(x, y, spd);
|
|
};
|
|
|
|
this.doScrollTop = function (y, spd) { //no-trans
|
|
var x = (self.scrollrunning) ? self.newscrollx : self.getScrollLeft();
|
|
self.doScrollPos(x, y, spd);
|
|
};
|
|
|
|
this.doScrollPos = function (x, y, spd) { //no-trans
|
|
|
|
var py = self.getScrollTop();
|
|
var px = self.getScrollLeft();
|
|
|
|
if (((self.newscrolly - py) * (y - py) < 0) || ((self.newscrollx - px) * (x - px) < 0)) self.cancelScroll(); //inverted movement detection
|
|
|
|
var clipped = false;
|
|
|
|
if (!self.bouncescroll || !self.rail.visibility) {
|
|
if (y < 0) {
|
|
y = 0;
|
|
clipped = true;
|
|
} else if (y > self.page.maxh) {
|
|
y = self.page.maxh;
|
|
clipped = true;
|
|
}
|
|
}
|
|
if (!self.bouncescroll || !self.railh.visibility) {
|
|
if (x < 0) {
|
|
x = 0;
|
|
clipped = true;
|
|
} else if (x > self.page.maxw) {
|
|
x = self.page.maxw;
|
|
clipped = true;
|
|
}
|
|
}
|
|
|
|
if (self.scrollrunning && (self.newscrolly === y) && (self.newscrollx === x)) return true;
|
|
|
|
self.newscrolly = y;
|
|
self.newscrollx = x;
|
|
|
|
self.dst = {};
|
|
self.dst.x = x - px;
|
|
self.dst.y = y - py;
|
|
self.dst.px = px;
|
|
self.dst.py = py;
|
|
|
|
var dd = Math.sqrt((self.dst.x * self.dst.x) + (self.dst.y * self.dst.y)) | 0;
|
|
var ms = self.getTransitionSpeed(dd);
|
|
|
|
self.bzscroll = {};
|
|
|
|
var p3 = (clipped) ? 1 : 0.58;
|
|
self.bzscroll.x = new BezierClass(px, self.newscrollx, ms, 0, 0, p3, 1);
|
|
self.bzscroll.y = new BezierClass(py, self.newscrolly, ms, 0, 0, p3, 1);
|
|
|
|
var loopid = now();
|
|
|
|
var loop = function () {
|
|
|
|
if (!self.scrollrunning) return;
|
|
var x = self.bzscroll.y.getPos();
|
|
|
|
self.setScrollLeft(self.bzscroll.x.getNow());
|
|
self.setScrollTop(self.bzscroll.y.getNow());
|
|
|
|
if (x <= 1) {
|
|
self.timer = setAnimationFrame(loop);
|
|
} else {
|
|
self.scrollrunning = false;
|
|
self.timer = 0;
|
|
self.triggerScrollEnd();
|
|
}
|
|
|
|
};
|
|
|
|
if (!self.scrollrunning) {
|
|
self.triggerScrollStart(px, py, x, y, ms);
|
|
self.scrollrunning = true;
|
|
self.timer = setAnimationFrame(loop);
|
|
}
|
|
|
|
};
|
|
|
|
this.cancelScroll = function () {
|
|
if (self.timer) clearAnimationFrame(self.timer);
|
|
self.timer = 0;
|
|
self.bzscroll = false;
|
|
self.scrollrunning = false;
|
|
return self;
|
|
};
|
|
|
|
}
|
|
|
|
this.doScrollBy = function (stp, relative) {
|
|
doScrollRelative(0, stp);
|
|
};
|
|
|
|
this.doScrollLeftBy = function (stp, relative) {
|
|
doScrollRelative(stp, 0);
|
|
};
|
|
|
|
this.doScrollTo = function (pos, relative) {
|
|
var ny = (relative) ? Math.round(pos * self.scrollratio.y) : pos;
|
|
if (ny < 0) ny = 0;
|
|
else if (ny > self.page.maxh) ny = self.page.maxh;
|
|
self.cursorfreezed = false;
|
|
self.doScrollTop(pos);
|
|
};
|
|
|
|
this.checkContentSize = function () {
|
|
var pg = self.getContentSize();
|
|
if ((pg.h != self.page.h) || (pg.w != self.page.w)) self.resize(false, pg);
|
|
};
|
|
|
|
self.onscroll = function (e) {
|
|
if (self.rail.drag) return;
|
|
if (!self.cursorfreezed) {
|
|
self.synched('scroll', function () {
|
|
self.scroll.y = Math.round(self.getScrollTop() / self.scrollratio.y);
|
|
if (self.railh) self.scroll.x = Math.round(self.getScrollLeft() / self.scrollratio.x);
|
|
self.noticeCursor();
|
|
});
|
|
}
|
|
};
|
|
self.bind(self.docscroll, "scroll", self.onscroll);
|
|
|
|
this.doZoomIn = function (e) {
|
|
if (self.zoomactive) return;
|
|
self.zoomactive = true;
|
|
|
|
self.zoomrestore = {
|
|
style: {}
|
|
};
|
|
var lst = ['position', 'top', 'left', 'zIndex', 'backgroundColor', 'marginTop', 'marginBottom', 'marginLeft', 'marginRight'];
|
|
var win = self.win[0].style;
|
|
for (var a in lst) {
|
|
var pp = lst[a];
|
|
self.zoomrestore.style[pp] = (win[pp] !== undefined) ? win[pp] : '';
|
|
}
|
|
|
|
self.zoomrestore.style.width = self.win.css('width');
|
|
self.zoomrestore.style.height = self.win.css('height');
|
|
|
|
self.zoomrestore.padding = {
|
|
w: self.win.outerWidth() - self.win.width(),
|
|
h: self.win.outerHeight() - self.win.height()
|
|
};
|
|
|
|
if (cap.isios4) {
|
|
self.zoomrestore.scrollTop = $window.scrollTop();
|
|
$window.scrollTop(0);
|
|
}
|
|
|
|
self.win.css({
|
|
position: (cap.isios4) ? "absolute" : "fixed",
|
|
top: 0,
|
|
left: 0,
|
|
zIndex: globalmaxzindex + 100,
|
|
margin: 0
|
|
});
|
|
var bkg = self.win.css("backgroundColor");
|
|
if ("" === bkg || /transparent|rgba\(0, 0, 0, 0\)|rgba\(0,0,0,0\)/.test(bkg)) self.win.css("backgroundColor", "#fff");
|
|
self.rail.css({
|
|
zIndex: globalmaxzindex + 101
|
|
});
|
|
self.zoom.css({
|
|
zIndex: globalmaxzindex + 102
|
|
});
|
|
self.zoom.css('backgroundPosition', '0 -18px');
|
|
self.resizeZoom();
|
|
|
|
if (self.onzoomin) self.onzoomin.call(self);
|
|
|
|
return self.cancelEvent(e);
|
|
};
|
|
|
|
this.doZoomOut = function (e) {
|
|
if (!self.zoomactive) return;
|
|
self.zoomactive = false;
|
|
|
|
self.win.css("margin", "");
|
|
self.win.css(self.zoomrestore.style);
|
|
|
|
if (cap.isios4) {
|
|
$window.scrollTop(self.zoomrestore.scrollTop);
|
|
}
|
|
|
|
self.rail.css({
|
|
"z-index": self.zindex
|
|
});
|
|
self.zoom.css({
|
|
"z-index": self.zindex
|
|
});
|
|
self.zoomrestore = false;
|
|
self.zoom.css('backgroundPosition', '0 0');
|
|
self.onResize();
|
|
|
|
if (self.onzoomout) self.onzoomout.call(self);
|
|
|
|
return self.cancelEvent(e);
|
|
};
|
|
|
|
this.doZoom = function (e) {
|
|
return (self.zoomactive) ? self.doZoomOut(e) : self.doZoomIn(e);
|
|
};
|
|
|
|
this.resizeZoom = function () {
|
|
if (!self.zoomactive) return;
|
|
|
|
var py = self.getScrollTop(); //preserve scrolling position
|
|
self.win.css({
|
|
width: $window.width() - self.zoomrestore.padding.w + "px",
|
|
height: $window.height() - self.zoomrestore.padding.h + "px"
|
|
});
|
|
self.onResize();
|
|
|
|
self.setScrollTop(Math.min(self.page.maxh, py));
|
|
};
|
|
|
|
this.init();
|
|
|
|
$.nicescroll.push(this);
|
|
|
|
};
|
|
|
|
// Inspired by the work of Kin Blas
|
|
// http://webpro.host.adobe.com/people/jblas/momentum/includes/jquery.momentum.0.7.js
|
|
var ScrollMomentumClass2D = function (nc) {
|
|
var self = this;
|
|
this.nc = nc;
|
|
|
|
this.lastx = 0;
|
|
this.lasty = 0;
|
|
this.speedx = 0;
|
|
this.speedy = 0;
|
|
this.lasttime = 0;
|
|
this.steptime = 0;
|
|
this.snapx = false;
|
|
this.snapy = false;
|
|
this.demulx = 0;
|
|
this.demuly = 0;
|
|
|
|
this.lastscrollx = -1;
|
|
this.lastscrolly = -1;
|
|
|
|
this.chkx = 0;
|
|
this.chky = 0;
|
|
|
|
this.timer = 0;
|
|
|
|
this.reset = function (px, py) {
|
|
self.stop();
|
|
self.steptime = 0;
|
|
self.lasttime = now();
|
|
self.speedx = 0;
|
|
self.speedy = 0;
|
|
self.lastx = px;
|
|
self.lasty = py;
|
|
self.lastscrollx = -1;
|
|
self.lastscrolly = -1;
|
|
};
|
|
|
|
this.update = function (px, py) {
|
|
var tm = now();
|
|
self.steptime = tm - self.lasttime;
|
|
self.lasttime = tm;
|
|
var dy = py - self.lasty;
|
|
var dx = px - self.lastx;
|
|
var sy = self.nc.getScrollTop();
|
|
var sx = self.nc.getScrollLeft();
|
|
var newy = sy + dy;
|
|
var newx = sx + dx;
|
|
self.snapx = (newx < 0) || (newx > self.nc.page.maxw);
|
|
self.snapy = (newy < 0) || (newy > self.nc.page.maxh);
|
|
self.speedx = dx;
|
|
self.speedy = dy;
|
|
self.lastx = px;
|
|
self.lasty = py;
|
|
};
|
|
|
|
this.stop = function () {
|
|
self.nc.unsynched("domomentum2d");
|
|
if (self.timer) clearTimeout(self.timer);
|
|
self.timer = 0;
|
|
self.lastscrollx = -1;
|
|
self.lastscrolly = -1;
|
|
};
|
|
|
|
this.doSnapy = function (nx, ny) {
|
|
var snap = false;
|
|
|
|
if (ny < 0) {
|
|
ny = 0;
|
|
snap = true;
|
|
} else if (ny > self.nc.page.maxh) {
|
|
ny = self.nc.page.maxh;
|
|
snap = true;
|
|
}
|
|
|
|
if (nx < 0) {
|
|
nx = 0;
|
|
snap = true;
|
|
} else if (nx > self.nc.page.maxw) {
|
|
nx = self.nc.page.maxw;
|
|
snap = true;
|
|
}
|
|
|
|
(snap) ? self.nc.doScrollPos(nx, ny, self.nc.opt.snapbackspeed) : self.nc.triggerScrollEnd();
|
|
};
|
|
|
|
this.doMomentum = function (gp) {
|
|
var t = now();
|
|
var l = (gp) ? t + gp : self.lasttime;
|
|
|
|
var sl = self.nc.getScrollLeft();
|
|
var st = self.nc.getScrollTop();
|
|
|
|
var pageh = self.nc.page.maxh;
|
|
var pagew = self.nc.page.maxw;
|
|
|
|
self.speedx = (pagew > 0) ? Math.min(60, self.speedx) : 0;
|
|
self.speedy = (pageh > 0) ? Math.min(60, self.speedy) : 0;
|
|
|
|
var chk = l && (t - l) <= 60;
|
|
|
|
if ((st < 0) || (st > pageh) || (sl < 0) || (sl > pagew)) chk = false;
|
|
|
|
var sy = (self.speedy && chk) ? self.speedy : false;
|
|
var sx = (self.speedx && chk) ? self.speedx : false;
|
|
|
|
if (sy || sx) {
|
|
var tm = Math.max(16, self.steptime); //timeout granularity
|
|
|
|
if (tm > 50) { // do smooth
|
|
var xm = tm / 50;
|
|
self.speedx *= xm;
|
|
self.speedy *= xm;
|
|
tm = 50;
|
|
}
|
|
|
|
self.demulxy = 0;
|
|
|
|
self.lastscrollx = self.nc.getScrollLeft();
|
|
self.chkx = self.lastscrollx;
|
|
self.lastscrolly = self.nc.getScrollTop();
|
|
self.chky = self.lastscrolly;
|
|
|
|
var nx = self.lastscrollx;
|
|
var ny = self.lastscrolly;
|
|
|
|
var onscroll = function () {
|
|
var df = ((now() - t) > 600) ? 0.04 : 0.02;
|
|
|
|
if (self.speedx) {
|
|
nx = Math.floor(self.lastscrollx - (self.speedx * (1 - self.demulxy)));
|
|
self.lastscrollx = nx;
|
|
if ((nx < 0) || (nx > pagew)) df = 0.10;
|
|
}
|
|
|
|
if (self.speedy) {
|
|
ny = Math.floor(self.lastscrolly - (self.speedy * (1 - self.demulxy)));
|
|
self.lastscrolly = ny;
|
|
if ((ny < 0) || (ny > pageh)) df = 0.10;
|
|
}
|
|
|
|
self.demulxy = Math.min(1, self.demulxy + df);
|
|
|
|
self.nc.synched("domomentum2d", function () {
|
|
|
|
if (self.speedx) {
|
|
var scx = self.nc.getScrollLeft();
|
|
// if (scx != self.chkx) self.stop();
|
|
self.chkx = nx;
|
|
self.nc.setScrollLeft(nx);
|
|
}
|
|
|
|
if (self.speedy) {
|
|
var scy = self.nc.getScrollTop();
|
|
// if (scy != self.chky) self.stop();
|
|
self.chky = ny;
|
|
self.nc.setScrollTop(ny);
|
|
}
|
|
|
|
if (!self.timer) {
|
|
self.nc.hideCursor();
|
|
self.doSnapy(nx, ny);
|
|
}
|
|
|
|
});
|
|
|
|
if (self.demulxy < 1) {
|
|
self.timer = setTimeout(onscroll, tm);
|
|
} else {
|
|
self.stop();
|
|
self.nc.hideCursor();
|
|
self.doSnapy(nx, ny);
|
|
}
|
|
};
|
|
|
|
onscroll();
|
|
|
|
} else {
|
|
self.doSnapy(self.nc.getScrollLeft(), self.nc.getScrollTop());
|
|
}
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
|
// override jQuery scrollTop
|
|
var _scrollTop = jQuery.fn.scrollTop; // preserve original function
|
|
|
|
jQuery.cssHooks.pageYOffset = {
|
|
get: function (elem, computed, extra) {
|
|
var nice = $.data(elem, '__nicescroll') || false;
|
|
return (nice && nice.ishwscroll) ? nice.getScrollTop() : _scrollTop.call(elem);
|
|
},
|
|
set: function (elem, value) {
|
|
var nice = $.data(elem, '__nicescroll') || false;
|
|
(nice && nice.ishwscroll) ? nice.setScrollTop(parseInt(value)) : _scrollTop.call(elem, value);
|
|
return this;
|
|
}
|
|
};
|
|
|
|
jQuery.fn.scrollTop = function (value) {
|
|
if (value === undefined) {
|
|
var nice = (this[0]) ? $.data(this[0], '__nicescroll') || false : false;
|
|
return (nice && nice.ishwscroll) ? nice.getScrollTop() : _scrollTop.call(this);
|
|
} else {
|
|
return this.each(function () {
|
|
var nice = $.data(this, '__nicescroll') || false;
|
|
(nice && nice.ishwscroll) ? nice.setScrollTop(parseInt(value)) : _scrollTop.call($(this), value);
|
|
});
|
|
}
|
|
};
|
|
|
|
// override jQuery scrollLeft
|
|
var _scrollLeft = jQuery.fn.scrollLeft; // preserve original function
|
|
|
|
$.cssHooks.pageXOffset = {
|
|
get: function (elem, computed, extra) {
|
|
var nice = $.data(elem, '__nicescroll') || false;
|
|
return (nice && nice.ishwscroll) ? nice.getScrollLeft() : _scrollLeft.call(elem);
|
|
},
|
|
set: function (elem, value) {
|
|
var nice = $.data(elem, '__nicescroll') || false;
|
|
(nice && nice.ishwscroll) ? nice.setScrollLeft(parseInt(value)) : _scrollLeft.call(elem, value);
|
|
return this;
|
|
}
|
|
};
|
|
|
|
jQuery.fn.scrollLeft = function (value) {
|
|
if (value === undefined) {
|
|
var nice = (this[0]) ? $.data(this[0], '__nicescroll') || false : false;
|
|
return (nice && nice.ishwscroll) ? nice.getScrollLeft() : _scrollLeft.call(this);
|
|
} else {
|
|
return this.each(function () {
|
|
var nice = $.data(this, '__nicescroll') || false;
|
|
(nice && nice.ishwscroll) ? nice.setScrollLeft(parseInt(value)) : _scrollLeft.call($(this), value);
|
|
});
|
|
}
|
|
};
|
|
|
|
var NiceScrollArray = function (doms) {
|
|
var self = this;
|
|
this.length = 0;
|
|
this.name = "nicescrollarray";
|
|
|
|
this.each = function (fn) {
|
|
$.each(self, fn);
|
|
return self;
|
|
};
|
|
|
|
this.push = function (nice) {
|
|
self[self.length] = nice;
|
|
self.length++;
|
|
};
|
|
|
|
this.eq = function (idx) {
|
|
return self[idx];
|
|
};
|
|
|
|
if (doms) {
|
|
for (var a = 0; a < doms.length; a++) {
|
|
var nice = $.data(doms[a], '__nicescroll') || false;
|
|
if (nice) {
|
|
this[this.length] = nice;
|
|
this.length++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
function mplex(el, lst, fn) {
|
|
for (var a = 0, l = lst.length; a < l; a++) fn(el, lst[a]);
|
|
}
|
|
mplex(
|
|
NiceScrollArray.prototype, ['show', 'hide', 'toggle', 'onResize', 'resize', 'remove', 'stop', 'doScrollPos'],
|
|
function (e, n) {
|
|
e[n] = function () {
|
|
var args = arguments;
|
|
return this.each(function () {
|
|
this[n].apply(this, args);
|
|
});
|
|
};
|
|
}
|
|
);
|
|
|
|
jQuery.fn.getNiceScroll = function (index) {
|
|
if (index === undefined) {
|
|
return new NiceScrollArray(this);
|
|
} else {
|
|
return this[index] && $.data(this[index], '__nicescroll') || false;
|
|
}
|
|
};
|
|
|
|
var pseudos = jQuery.expr.pseudos || jQuery.expr[':']; // jQuery 3 migration
|
|
pseudos.nicescroll = function (a) {
|
|
return $.data(a, '__nicescroll') !== undefined;
|
|
};
|
|
|
|
$.fn.niceScroll = function (wrapper, _opt) {
|
|
if (_opt === undefined && typeof wrapper == "object" && !("jquery" in wrapper)) {
|
|
_opt = wrapper;
|
|
wrapper = false;
|
|
}
|
|
|
|
var ret = new NiceScrollArray();
|
|
|
|
this.each(function () {
|
|
var $this = $(this);
|
|
|
|
var opt = $.extend({}, _opt); // cloning
|
|
|
|
if (wrapper || false) {
|
|
var wrp = $(wrapper);
|
|
opt.doc = (wrp.length > 1) ? $(wrapper, $this) : wrp;
|
|
opt.win = $this;
|
|
}
|
|
var docundef = !("doc" in opt);
|
|
if (!docundef && !("win" in opt)) opt.win = $this;
|
|
|
|
var nice = $this.data('__nicescroll') || false;
|
|
if (!nice) {
|
|
opt.doc = opt.doc || $this;
|
|
nice = new NiceScrollClass(opt, $this);
|
|
$this.data('__nicescroll', nice);
|
|
}
|
|
ret.push(nice);
|
|
});
|
|
|
|
return (ret.length === 1) ? ret[0] : ret;
|
|
};
|
|
|
|
_win.NiceScroll = {
|
|
getjQuery: function () {
|
|
return jQuery;
|
|
}
|
|
};
|
|
|
|
if (!$.nicescroll) {
|
|
$.nicescroll = new NiceScrollArray();
|
|
$.nicescroll.options = _globaloptions;
|
|
}
|
|
|
|
}));
|