jQuery-Extensions-touchJS是一个非常简单的jQuery touch扩展，用于适配移动端的常用touch操作（点击tab、长按longPress、滑动left right up down）
Verze ze dne
Tento skript by neměl být instalován přímo. Jedná se o knihovnu, kterou by měly jiné skripty využívat pomocí meta příkazu // @require https://update.greasyfork.org/scripts/454450/1114716/jQuery-Extensions-touchJS.js
// ==UserScript==
// @name jQuery-Extensions-touchJS
// @namespace http://tampermonkey.net/
// @version 1.1
// @description jQuery-Extensions-touchJS是一个非常简单的jQuery touch扩展，用于适配移动端的常用touch操作（点击tab、长按longPress、滑动left right up down）
// @author tutu辣么可爱(greasyfork)/IcedWatermelonJuice(github)
// @grant none
// ==/UserScript==
(function($) {
if (typeof $ !== "function" && typeof jQuery !== "function") {
console.log("jQuery-Extensions-touchJS 缺少jQuery依赖")
return false;
}
$.fn.touch = function(v, fn) {
// 预处理
var defFn = function() {
return false
},
fnMap = {
"def": defFn,
"left": defFn,
"right": defFn,
"top": defFn,
"down": defFn,
"tap": defFn,
"longPress": defFn,
"longPressCancel": defFn
};
if (typeof v === "string" && typeof fn === "function" && fnMap.hasOwnProperty(v)) {
fnMap[v] = fn;
} else if (typeof v === "object" && !fn) {
fnMap = $.extend({}, fnMap, v);
}
// 正式处理
if (v) {
var t = $(this),
i = -1,
x = -1,
l = false,
x1, x2, y1, y2;
t[0].addEventListener('touchstart', ts, false);
t[0].addEventListener('touchmove', tm, false);
t[0].addEventListener('touchend', te, false);
//具体实现
function init(e, flag) { //初始化
if (flag !== false) {
e = e || window.event
e.preventDefault();
}
clearTimeout(x);
clearTimeout(i);
x = -1, i = -1;
return e;
}
function dir(x1, y1, x2, y2) { //判方向
if (Math.abs(y2 - y1) < Math.abs(x2 - x1)) {
if (x2 > x1) {
return "right"
} else {
return "left"
}
} else {
if (y2 > y1) {
return "down"
} else {
return "up"
}
}
return "def"
}
function ts(e) { //touchstart
var e = init(e);
x1 = e.changedTouches[0].clientX;
y1 = e.changedTouches[0].clientY;
i = setTimeout(function() {
l = true;
fnMap["longPress"]();
}, 600)
}
function tm(e) { //touchmove
var e = e || window.event;
x2 = e.changedTouches[0].clientX;
y2 = e.changedTouches[0].clientY;
if (Math.abs(x1 - x2) > 10 || Math.abs(y1 - y2) > 10) {
init(e);
fnMap[dir(x1, y1, x2, y2)]()
}
}
function te(e) { //touchend
var e = init(e);
if (l) {
l=false;
fnMap["longPressCancel"]();
} else {
fnMap["tap"]();
}
}
}
return $(this)
}
})(jQuery);