/*
 * @Author: 李佐宁
 * @Description:
 * @Date: 2023-01-13 08:59:36
 * @LastEditTime: 2023-02-15 16:30:09
 * @LastEditors: 李佐宁
 */

export default {
  //自定义节流操作
  preventReClick: {
    mounted(el: any, binding: any) {
      el.addEventListener("click", () => {
        if (!el.disabled) {
          el.disabled = true;
          setTimeout(() => {
            el.disabled = false;
          }, binding.value || 200); //200ms间隔时间
        }
      });
    },
  },
  drag: {
    // 指令的定义
    mounted: function (el) {
      let x = 0;
      let y = 0;
      let l = 0;
      let t = 0;
      let isDown = false;
      //鼠标按下事件
      el.onmousedown = function (e) {
        //获取x坐标和y坐标
        x = e.clientX;
        y = e.clientY;

        //获取左部和顶部的偏移量
        l = el.offsetLeft;
        t = el.offsetTop;
        //开关打开
        isDown = true;
        //设置样式
        el.style.cursor = "move";
      };
      //鼠标移动
      window.onmousemove = function (e) {
        if (isDown == false) {
          return;
        }
        //获取x和y
        let nx = e.clientX;
        let ny = e.clientY;
        //计算移动后的左偏移量和顶部的偏移量
        let nl = nx - (x - l);
        let nt = ny - (y - t);

        el.style.left = nl + "px";
        el.style.top = nt + "px";
      };
      //鼠标抬起事件
      el.onmouseup = function () {
        //开关关闭
        isDown = false;
        el.style.cursor = "default";
      };
    },
  },
};