| New file |
| | |
| | | /** |
| | | * v-dialogDrag 弹窗拖拽 |
| | | * Copyright (c) 2019 ruoyi |
| | | */ |
| | | |
| | | export default { |
| | | bind(el, binding, vnode, oldVnode) { |
| | | const value = binding.value |
| | | if (value == false) return |
| | | // 获取拖拽内容头部 |
| | | const dialogHeaderEl = el.querySelector('.el-dialog__header'); |
| | | const dragDom = el.querySelector('.el-dialog'); |
| | | dialogHeaderEl.style.cursor = 'move'; |
| | | // 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null); |
| | | const sty = dragDom.currentStyle || window.getComputedStyle(dragDom, null); |
| | | dragDom.style.position = 'absolute'; |
| | | dragDom.style.marginTop = 0; |
| | | let width = dragDom.style.width; |
| | | if (width.includes('%')) { |
| | | width = +document.body.clientWidth * (+width.replace(/\%/g, '') / 100); |
| | | } else { |
| | | width = +width.replace(/\px/g, ''); |
| | | } |
| | | dragDom.style.left = `${(document.body.clientWidth - width) / 2}px`; |
| | | // 鼠标按下事件 |
| | | dialogHeaderEl.onmousedown = (e) => { |
| | | // 鼠标按下,计算当前元素距离可视区的距离 (鼠标点击位置距离可视窗口的距离) |
| | | const disX = e.clientX - dialogHeaderEl.offsetLeft; |
| | | const disY = e.clientY - dialogHeaderEl.offsetTop; |
| | | |
| | | // 获取到的值带px 正则匹配替换 |
| | | let styL, styT; |
| | | |
| | | // 注意在ie中 第一次获取到的值为组件自带50% 移动之后赋值为px |
| | | if (sty.left.includes('%')) { |
| | | styL = +document.body.clientWidth * (+sty.left.replace(/\%/g, '') / 100); |
| | | styT = +document.body.clientHeight * (+sty.top.replace(/\%/g, '') / 100); |
| | | } else { |
| | | styL = +sty.left.replace(/\px/g, ''); |
| | | styT = +sty.top.replace(/\px/g, ''); |
| | | }; |
| | | |
| | | // 鼠标拖拽事件 |
| | | document.onmousemove = function (e) { |
| | | // 通过事件委托,计算移动的距离 (开始拖拽至结束拖拽的距离) |
| | | const l = e.clientX - disX; |
| | | const t = e.clientY - disY; |
| | | |
| | | let finallyL = l + styL |
| | | let finallyT = t + styT |
| | | |
| | | // 移动当前元素 |
| | | dragDom.style.left = `${finallyL}px`; |
| | | dragDom.style.top = `${finallyT}px`; |
| | | |
| | | }; |
| | | |
| | | document.onmouseup = function (e) { |
| | | document.onmousemove = null; |
| | | document.onmouseup = null; |
| | | }; |
| | | } |
| | | } |
| | | }; |