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jQuery-Extensions-freeDragJS

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

Tính đến 03-03-2023. Xem phiên bản mới nhất.

Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta // @require https://updategreasyfork.deno.dev/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);