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- export default {
- bind(el, binding, vnode, oldVnode) {
- const resizeEvent = new CustomEvent('drag-resize', {
- detail: '尺寸变化',
- bubbles: false
- })
- // 初始化不最大化
- el.fullscreen = false
- // 弹框可拉伸最小宽高
- // const minWidth = 1100
- // const minHeight = 570
- const minWidth = 1920
- const minHeight = 1080
- // 当前宽高
- let nowWidth = minWidth
- // eslint-disable-next-line no-unused-vars
- let nowHight = minHeight
- // 当前顶部高度
- let nowMarginTop = 250
- // 获取弹框头部(这部分可双击全屏)
- const dialogHeaderEl = el.querySelector('.el-dialog__header')
- let hasSetBodyHight = false
- // 弹窗
- const dragDom = el.querySelector('.el-dialog')
- el.style.overflow = 'initial'
- dragDom.className += ' el-drag-dialog'
- // 给弹窗加上overflow auto;不然缩小时框内的标签可能超出dialog;
- dragDom.style.overflow = 'auto'
- // 清除选择头部文字效果
- // eslint-disable-next-line no-new-func
- dialogHeaderEl.onselectstart = new Function('return false')
- // 头部加上可拖动cursor
- 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)
- // 头部插入最大化最小化元素
- const maxMin = document.createElement('button')
- maxMin.className += ' el-dialog__headerbtn el-dialog__minmax'
- maxMin.style.right = '100px' // 全屏icon位置
- maxMin.style.display = 'none' // 全屏icon隐藏
- maxMin.style.color = 'white' // 全屏icon颜色
- maxMin.title = el.fullscreen ? '还原' : '最大化'
- maxMin.innerHTML = '<i class=' + (el.fullscreen ? '"el-icon-crop"' : '"el-icon-full-screen"') + ' onMouseOver="this.style.color=\'#409EFF\'" onMouseOut="this.style.color=\'inherit\'"></i>'
- dialogHeaderEl.insertBefore(maxMin, dialogHeaderEl.childNodes[1])
- const moveDown = (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
- // 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, '')
- }
- 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
- dragDom.style.left = `${l + styL}px`
- dragDom.style.top = `${t + styT}px`
- // 将此时的位置传出去
- // binding.value({x:e.pageX,y:e.pageY})
- }
- document.onmouseup = function(e) {
- document.onmousemove = null
- document.onmouseup = null
- }
- }
- dialogHeaderEl.onmousedown = moveDown
- let bodyHeight = 'auto'
- // function setMaxMin() {
- // if (el.fullscreen) {
- // const i = maxMin.querySelector('.el-icon-crop')
- // i.classList.remove('el-icon-crop')
- // i.classList.add('el-icon-full-screen')
- // maxMin.innerHTML = '<i class="el-icon-full-screen"></i>'
- // maxMin.title = '最大化'
- // dragDom.style.height = nowHight + 'px'
- // dragDom.style.width = nowWidth + 'px'
- // dragDom.style.marginTop = window.innerHeight * 0.07 + 'px'
- // el.fullscreen = false
- // dialogHeaderEl.style.cursor = 'move'
- // dialogHeaderEl.onmousedown = moveDown
- // // dragDom.querySelector('.el-dialog__body').style.height = bodyHeight;
- // hasSetBodyHight = false
- // } else {
- // const i = maxMin.querySelector('.el-icon-full-screen')
- // i.classList.remove('el-icon-full-screen')
- // i.classList.add('el-icon-crop')
- // maxMin.title = '还原'
- // bodyHeight = dragDom.querySelector('.el-dialog__body').offsetHeight + 'px'
- // nowHight = dragDom.clientHeight
- // nowWidth = dragDom.clientWidth
- // nowMarginTop = dragDom.style.marginTop
- // dragDom.style.left = 0
- // dragDom.style.top = 0
- // dragDom.style.height = window.innerHeight + 'px'
- // dragDom.style.width = '100VW'
- // dragDom.style.marginTop = 0
- // el.fullscreen = true
- // dialogHeaderEl.style.cursor = 'initial'
- // dialogHeaderEl.onmousedown = null
- // if (!hasSetBodyHight) {
- // const footerHeight = dragDom.querySelector('.el-dialog__footer') && dragDom.querySelector('.el-dialog__footer').offsetHeight
- // dragDom.querySelector('.el-dialog__body').style.height =
- // 'calc(90% - ' + (dialogHeaderEl.offsetHeight + footerHeight) + 'px)'
- // /* dragDom.querySelector('.el-dialog__body').style.height =
- // window.innerHeight*0.9
- // - (dialogHeaderEl.offsetHeight + footerHeight) + 'px'*/
- // hasSetBodyHight = true
- // }
- // }
- // el.dispatchEvent(resizeEvent)
- // }
- // 点击放大缩小效果
- // maxMin.onclick = setMaxMin
- // 双击头部效果
- // dialogHeaderEl.ondblclick = setMaxMin
- // 拉伸
- // const resizeEl = document.createElement('div')
- // dragDom.appendChild(resizeEl)
- // 在弹窗右下角加上一个10-10px的控制块
- // resizeEl.style.cursor = 'se-resize'
- // resizeEl.style.position = 'absolute'
- // resizeEl.style.height = '10px'
- // resizeEl.style.width = '10px'
- // resizeEl.style.right = '0px'
- // resizeEl.style.bottom = '0px'
- // resizeEl.style.zIndex = '99'
- // 鼠标拉伸弹窗
- // resizeEl.onmousedown = (e) => {
- // // 记录初始x位置
- // const clientX = e.clientX
- // // 鼠标按下,计算当前元素距离可视区的距离
- // const disX = e.clientX - resizeEl.offsetLeft
- // const disY = e.clientY - resizeEl.offsetTop
- // document.onmousemove = function(e) {
- // e.preventDefault() // 移动时禁用默认事件
- // // 通过事件委托,计算移动的距离
- // const x = e.clientX - disX + (e.clientX - clientX)// 这里 由于elementUI的dialog控制居中的,所以水平拉伸效果是双倍
- // const y = e.clientY - disY
- // // 比较是否小于最小宽高
- // dragDom.style.width = x > minWidth ? `${x}px` : minWidth + 'px'
- // dragDom.style.height = y > minHeight ? `${y}px` : minHeight + 'px'
- // if (!hasSetBodyHight) {
- // const footerHeight = dragDom.querySelector('.el-dialog__footer') && dragDom.querySelector('.el-dialog__footer').offsetHeight
- // dragDom.querySelector('.el-dialog__body').style.height = 'calc(90% - ' + (dialogHeaderEl.offsetHeight + footerHeight) + 'px)'
- // hasSetBodyHight = true
- // }
- // }
- // // 拉伸结束
- // document.onmouseup = function(e) {
- // document.onmousemove = null
- // document.onmouseup = null
- // el.dispatchEvent(resizeEvent)
- // }
- // }
- }
- }
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