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- import Vue from 'vue'
- // v-dialogDrag: 弹窗拖拽属性
- Vue.directive('dialogDrag', {
- bind(el, binding, vnode, oldVnode) {
- const dialogHeaderEl = el.querySelector('.el-dialog__header')
- const dragDom = el.querySelector('.el-dialog')
- // dialogHeaderEl.style.cursor = 'move';
- dialogHeaderEl.style.cssText += ';cursor:move;'
- dragDom.style.cssText += ';top:0px;'
- // 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null);
- const sty = (function () {
- //@ts-ignore
- if (window.document.currentStyle) {
- return (dom, attr) => dom.currentStyle[attr]
- } else {
- //@ts-ignore
- return (dom, attr) => getComputedStyle(dom, false)[attr]
- }
- })()
- dialogHeaderEl.onmousedown = (e) => {
- // 鼠标按下,计算当前元素距离可视区的距离
- const disX = e.clientX - dialogHeaderEl.offsetLeft
- const disY = e.clientY - dialogHeaderEl.offsetTop
- const screenWidth = document.body.clientWidth // body当前宽度
- const screenHeight = document.documentElement.clientHeight // 可见区域高度(应为body高度,可某些环境下无法获取)
- const dragDomWidth = dragDom.offsetWidth // 对话框宽度
- const dragDomheight = dragDom.offsetHeight // 对话框高度
- const minDragDomLeft = dragDom.offsetLeft
- const maxDragDomLeft = screenWidth - dragDom.offsetLeft - dragDomWidth
- const minDragDomTop = dragDom.offsetTop
- const maxDragDomTop = screenHeight - dragDom.offsetTop - dragDomheight
- // 获取到的值带px 正则匹配替换
- let styL = sty(dragDom, 'left')
- let styT = sty(dragDom, 'top')
- // 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 (styL.includes('%')) {
- styL = +document.body.clientWidth * (+styL.replace(/\%/g, '') / 100)
- styT = +document.body.clientHeight * (+styT.replace(/\%/g, '') / 100)
- } else {
- styL = +styL.replace(/\px/g, '')
- styT = +styT.replace(/\px/g, '')
- }
- document.onmousemove = function (e) {
- // 通过事件委托,计算移动的距离
- let left = e.clientX - disX
- let top = e.clientY - disY
- // 边界处理
- if (-(left) > minDragDomLeft) {
- left = -(minDragDomLeft)
- } else if (left > maxDragDomLeft) {
- left = maxDragDomLeft
- }
- if (-(top) > minDragDomTop) {
- top = -(minDragDomTop)
- } else if (top > maxDragDomTop) {
- top = maxDragDomTop
- }
- // 移动当前元素
- dragDom.style.cssText += `;left:${left + styL}px;top:${top + styT}px;`
- }
- document.onmouseup = function (e) {
- document.onmousemove = null
- document.onmouseup = null
- }
- }
- }
- })
- // v-drag 框拖动
- Vue.directive('drag', {
- bind(el) {
- const oDiv = el // 当前元素
- const self = this // 上下文
- // 禁止选择网页上的文字
- document.onselectstart = function () {
- return false
- }
- oDiv.onmousedown = function (e) {
- // 鼠标按下,计算当前元素距离可视区的距离
- const disX = e.clientX - oDiv.offsetLeft
- const disY = e.clientY - oDiv.offsetTop
- document.onmousemove = function (e) {
- // 通过事件委托,计算移动的距离
- const l = e.clientX - disX
- const t = e.clientY - disY
- // 移动当前元素
- oDiv.style.left = l + 'px'
- oDiv.style.top = t + 'px'
- }
- document.onmouseup = function (e) {
- document.onmousemove = null
- document.onmouseup = null
- }
- // return false不加的话可能导致黏连,就是拖到一个地方时div粘在鼠标上不下来,相当于onmouseup失效
- // return false
- }
- }
- })
- //大屏浮动窗指令
- // v-Gpdrag 框拖动
- Vue.directive('Gpdrag', {
- bind(el) {
- const oDiv = el.querySelector('.header') // 当前元素
- const dDiv = el
- const self = this // 上下文
- // 禁止选择网页上的文字
- document.onselectstart = function () {
- return false
- }
- oDiv.onmousedown = function (e) {
- // 鼠标按下,计算当前元素距离可视区的距离
- const disX = e.clientX - dDiv.offsetLeft
- const disY = e.clientY - dDiv.offsetTop
- document.onmousemove = function (e) {
- // 通过事件委托,计算移动的距离
- const l = e.clientX - disX
- const t = e.clientY - disY
- // 移动当前元素
- dDiv.style.left = l + 'px'
- dDiv.style.top = t + 'px'
- }
- document.onmouseup = function (e) {
- document.onmousemove = null
- document.onmouseup = null
- }
- // return false不加的话可能导致黏连,就是拖到一个地方时div粘在鼠标上不下来,相当于onmouseup失效
- // return false
- }
- }
- })
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