jQuery-Extensions-freeDragJS是一个非常简单的jQuery 拖拽扩展，同时兼容移动设备与pc设备
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.cn-greasyfork.org/scripts/461097/1156609/jQuery-Extensions-freeDragJS.js
// ==UserScript==
// @name jQuery-Extensions-freeDragJS
// @namespace http://tampermonkey.net/
// @version 1.0
// @description jQuery-Extensions-freeDragJS是一个非常简单的jQuery 拖拽扩展，同时兼容移动设备与pc设备
// @author tutu辣么可爱(greasyfork)/IcedWatermelonJuice(github)
// @grant none
// ==/UserScript==
(function() {
const aboutFreeDragJS = {
"name": "jQuery-Extensions-freeDragJS",
"version": "1.0",
"description": "jQuery-Extensions-freeDragJS是一个非常简单的jQuery 拖拽扩展，同时兼容移动设备与pc设备",
"author": "tutu辣么可爱(greasyfork)/IcedWatermelonJuice(github)",
"dependency": {
"_cpr_version": (a, b) => {
function toNum(a) {
var a = a.toString();
//也可以这样写 var c=a.split(/\./);
var c = a.split('.');
var num_place = ["", "0", "00", "000", "0000"],
r = num_place.reverse();
for (var i = 0; i < c.length; i++) {
var len = c[i].length;
c[i] = r[len] + c[i];
}
var res = c.join('');
return res;
}
var _a = toNum(a),
_b = toNum(b);
if (_a == _b) return 0;
if (_a > _b) return 1;
if (_a < _b) return -1;
},
"jQuery": "3.4.1",
"jQuery-Extensions-touchJS": "1.7"
}
};
var cpr_version=aboutFreeDragJS.dependency["_cpr_version"];
if (typeof $ !== "function" && typeof jQuery !== "function") {
console.error(`${aboutFreeDragJS.name} 缺少jQuery依赖`)
return false;
}
if (typeof $.fn.touch !== "function") {
console.error(`${aboutFreeDragJS.name} 缺少jQuery-Extensions-touchJS依赖`)
return false;
}
if (cpr_version(aboutFreeDragJS.dependency["jQuery"], $.fn.jquery) > 0) {
console.error(
`${aboutFreeDragJS.name}要求jQuery版本至少为${aboutFreeDragJS.dependency["jQuery"]}，当前为${$.fn.jquery}。请升级jQuery`
)
return false;
}
if (cpr_version(aboutFreeDragJS.dependency["jQuery-Extensions-touchJS"], $.fn.aboutTouch("version")) > 0) {
console.error(
`${aboutFreeDragJS.name}要求jQuery-Extensions-touchJS版本至少为${aboutFreeDragJS.dependency["jQuery-Extensions-touchJS"]}，当前为${$.fn.aboutTouch("version")}。请升级jQuery-Extensions-touchJS`
)
return false;
}
if ($.fn.jquery && $.fn.touch)
$.fn.freeDrag = function(container = $("body"), params = {}) {
container = $(container);
var target = this,
fn0 = typeof params.start === "function" ? params.start : () => {},
fn1 = typeof params.move === "function" ? params.move : () => {},
fn2 = typeof params.end === "function" ? params.end : () => {}
if (!/relative|absolute/i.test(container.css("position"))) {
container.css("position", "relative");
}
var enable = false,
pos = {};
target.touch({
start: (e) => {
enable = true;
pos = {
x: e[0].x,
y: e[0].y
}
fn0({
state: "start",
container: container,
target: target,
original: pos
})
},
end: (e) => {
enable = false;
fn2({
state: "end",
container: container,
target: target,
original: pos
})
pos = {};
}
})
container.touch("swipe", (e) => {
var $e = target;
if (!enable) return false
var newPos = {
x: e[1].x,
y: e[1].y
},
realPos = {
x: $e.position().left + newPos.x - pos.x,
y: $e.position().top + newPos.y - pos.y
};
fn1({
state: "move",
container: container,
target: target,
original: pos,
new: newPos,
real: realPos
});
$e.css({
"top": `${realPos.y}px`,
"left": `${realPos.x}px`,
})
pos = newPos;
})
container.has(target) || container.append(target);
}
$.fn.aboutFreeDrag = (query) => {
return aboutFreeDragJS[query] ? aboutFreeDragJS[query] : aboutFreeDragJS
}
})(jQuery);