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-export const dialogResizeImg = {
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- mounted(el: any, binding: any, vnode: any) {
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- const bValue = binding.value
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- const localKeyMap: any = {
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- positions: {
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- 'can-resize2': 'cet-preview-positions',
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- 'can-resize22': 'cet-preview2-positions',
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- },
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- resize: {
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- 'can-resize2': 'cet-preview-resize',
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- 'can-resize22': 'cet-preview2-resize',
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- },
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- }
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- const resizeEvent = new CustomEvent('drag-resize', {
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- detail: '尺寸变化',
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- bubbles: false,
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- })
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- const keyboardPositions = localStorage.getItem(localKeyMap.positions[bValue])
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- const keyboardResize = localStorage.getItem(localKeyMap.resize[bValue])
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- // 初始化不最大化
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- el.fullscreen = false
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- // 弹框可拉伸最小宽高
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- const minWidth = 290
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- const maxHeight = window.innerHeight
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-
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- // 弹窗
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- const dragDom: any = document.querySelector('.' + binding.value)
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- const dialogHeaderEl = dragDom.querySelector('.el-dialog__header')
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- const img = dragDom.querySelector('.small-img')
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- let imgError = false
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- const resizeEl = document.createElement('div')
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-
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- if (!img.src) {
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- dragDom.style.width = minWidth + 'px'
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- dragDom.style.height = minWidth + 'px'
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- }
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-
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- img.onload = function () {
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- // dragDom.style.width = img.clientWidth + 'px'
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- if (!keyboardResize) {
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- const compareHeight = bValue === 'can-resize22' ? parseInt(maxHeight * 0.97 + '') : parseInt(maxHeight / 2 + '')
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- console.log('compareHeight:', compareHeight)
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- console.log('img.clientHeight:', img.clientHeight)
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- const ratio = (img.clientWidth + 4) / (img.clientHeight + 48)
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- if (img.clientHeight + 48 > compareHeight) {
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- const dragDomH = compareHeight
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- // dragDom.style.height = dragDomH + 'px'
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- dragDom.style.width = dragDomH * ratio + 'px'
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- console.log('dragDom.style.width:', dragDom.style.width)
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- }
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- }
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- }
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- img.onerror = function () {
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- dragDom.style.width = minWidth + 'px'
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- dragDom.style.height = minWidth + 'px'
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- imgError = true
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- resizeEl.style.display = 'none'
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- }
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-
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- // console.log('img', getComputedStyle(img).width)
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-
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- el.style.overflow = 'initial'
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- dragDom.className += ' el-drag-dialog'
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- // 给弹窗加上overflow auto;不然缩小时框内的标签可能超出dialog;
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- // dragDom.style.overflow = 'auto'
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- dragDom.style.background = '#fff'
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-
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- if (keyboardPositions && !!img.src) {
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- dragDom.style.left = JSON.parse(keyboardPositions).left || 0
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- dragDom.style.top = JSON.parse(keyboardPositions).top || 0
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- }
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- if (keyboardResize && !!img.src) {
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- const localW = JSON.parse(keyboardResize).width
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- const localH = JSON.parse(keyboardResize).height
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- localW && (dragDom.style.width = localW)
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- localH && (dragDom.style.height = localH)
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- // dragDom.style.width = JSON.parse(keyboardResize).width || 'auto'
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- // dragDom.style.height = JSON.parse(keyboardResize).height || 'auto'
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- } else {
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- // dragDom.style.height = maxHeight / 2 + 'px'
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- // dragDom.style.width = '290px'
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- }
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-
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- // 清除选择头部文字效果
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- // eslint-disable-next-line no-new-func
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- dialogHeaderEl.onselectstart = new Function('return false')
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- // 头部加上可拖动cursor
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- dialogHeaderEl.style.cursor = 'move'
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-
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- // 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null);
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- const sty = dragDom.currentStyle || window.getComputedStyle(dragDom, null)
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-
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- // 头部插入最大化最小化元素
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- const maxMin = document.createElement('button')
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- maxMin.className += ' el-dialog__headerbtn el-dialog__minmax'
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- maxMin.style.right = '40px'
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- maxMin.style.color = '#ffffff'
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- maxMin.title = el.fullscreen ? '还原' : '最大化'
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- maxMin.innerHTML =
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- '<i class=' +
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- (el.fullscreen ? '"el-icon-crop"' : '"el-icon-full-screen"') +
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- ' onMouseOver="this.style.color=\'#409EFF\'" onMouseOut="this.style.color=\'inherit\'"></i>'
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- // dialogHeaderEl.insertBefore(maxMin, dialogHeaderEl.childNodes[1])
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- const moveDown = (e: any) => {
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- // 鼠标按下,计算当前元素距离可视区的距离
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- const disX = e.clientX - dialogHeaderEl.offsetLeft
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- const disY = e.clientY - dialogHeaderEl.offsetTop
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-
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- // 获取到的值带px 正则匹配替换
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- let styL: any, styT: any
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-
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- // 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
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- if (sty.left.includes('%')) {
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- styL = +document.body.clientWidth * (+sty.left.replace(/\\%/g, '') / 100)
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- styT = +document.body.clientHeight * (+sty.top.replace(/\\%/g, '') / 100)
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- } else {
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- styL = +sty.left.replace(/\px/g, '')
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- styT = +sty.top.replace(/\px/g, '')
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- }
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-
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- document.onmousemove = function (e) {
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- // 通过事件委托,计算移动的距离
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- const l = e.clientX - disX
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- const t = e.clientY - disY
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-
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- // 移动当前元素
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- dragDom.style.left = `${l + styL}px`
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- dragDom.style.top = `${t + styT}px`
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-
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- // 将此时的位置传出去
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- // binding.value({x:e.pageX,y:e.pageY})
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- }
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-
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- document.onmouseup = function (e) {
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- document.onmousemove = null
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- document.onmouseup = null
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- console.log('dragDom.style.left:', dragDom.style.left, dragDom.style.top)
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- if (!imgError && !!img.src) {
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- localStorage.setItem(
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- localKeyMap.positions[bValue],
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- JSON.stringify({
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- left: dragDom.style.left || 0,
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- top: dragDom.style.top || 0,
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- })
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- )
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- }
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- }
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- }
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- dialogHeaderEl.onmousedown = moveDown
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- // const bodyHeight = 'auto'
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-
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- // function setMaxMin() {
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- // if (el.fullscreen) {
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- // const i: any = maxMin.querySelector('.el-icon-crop')
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- // i.classList.remove('el-icon-crop')
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- // i.classList.add('el-icon-full-screen')
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- // maxMin.innerHTML = '<i class="el-icon-full-screen"></i>'
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- // maxMin.title = '最大化'
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- // dragDom.style.height = nowHight + 'px'
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- // dragDom.style.width = nowWidth + 'px'
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- // dragDom.style.marginTop = window.innerHeight * 0.07 + 'px'
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- // el.fullscreen = false
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- // dialogHeaderEl.style.cursor = 'move'
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- // dialogHeaderEl.onmousedown = moveDown
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- // dragDom.querySelector('.el-dialog__body').style.height = bodyHeight
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- // hasSetBodyHight = false
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- // } else {
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- // const i: any = maxMin.querySelector('.el-icon-full-screen')
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- // i.classList.remove('el-icon-full-screen')
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- // i.classList.add('el-icon-crop')
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- // maxMin.title = '还原'
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- // bodyHeight = dragDom.querySelector('.el-dialog__body').offsetHeight + 'px'
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- // nowHight = dragDom.clientHeight
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- // nowWidth = dragDom.clientWidth
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- // nowMarginTop = dragDom.style.marginTop
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- // dragDom.style.left = 0
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- // dragDom.style.top = 0
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- // dragDom.style.height = window.innerHeight + 'px'
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- // dragDom.style.width = '100VW'
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- // dragDom.style.marginTop = 0
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- // el.fullscreen = true
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- // dialogHeaderEl.style.cursor = 'initial'
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- // dialogHeaderEl.onmousedown = null
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- // if (!hasSetBodyHight) {
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- // const footerHeight =
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- // dragDom.querySelector('.el-dialog__footer') && dragDom.querySelector('.el-dialog__footer').offsetHeight
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- // dragDom.querySelector('.el-dialog__body').style.height =
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- // 'calc(100% - ' + (dialogHeaderEl.offsetHeight + footerHeight) + 'px)'
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- // /* dragDom.querySelector('.el-dialog__body').style.height =
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- // window.innerHeight*0.9
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- // - (dialogHeaderEl.offsetHeight + footerHeight) + 'px'*/
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- // hasSetBodyHight = true
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- // }
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- // }
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- // el.dispatchEvent(resizeEvent)
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- // }
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-
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- // 点击放大缩小效果
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- // maxMin.onclick = setMaxMin
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- // 双击头部效果
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- // dialogHeaderEl.ondblclick = setMaxMin
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- // 拉伸
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- dragDom.appendChild(resizeEl)
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- // 在弹窗右下角加上一个10-10px的控制块
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- resizeEl.style.cursor = 'se-resize'
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- resizeEl.style.position = 'absolute'
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- resizeEl.style.height = '10px'
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- resizeEl.style.width = '10px'
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- resizeEl.style.border = '3px solid transparent'
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- resizeEl.style.borderRightColor = '#333'
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- resizeEl.style.borderBottomColor = '#333'
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- resizeEl.style.right = '0px'
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- resizeEl.style.bottom = '0px'
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- resizeEl.style.zIndex = '99'
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- // 鼠标拉伸弹窗
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- if (!img.src) {
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- resizeEl.style.display = 'none'
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- }
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-
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- resizeEl.onmousedown = (e) => {
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- // 记录初始x位置
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- const clientX = e.clientX
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- // 鼠标按下,计算当前元素距离可视区的距离
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- const disX = e.clientX - resizeEl.offsetLeft
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- const disY = e.clientY - resizeEl.offsetTop
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- // let maxClientY = 0
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- // if (dragDom.style.width) {
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- // dragDom.style.width = dragDom.style.width - 2
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- // }
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- let maxWW = 0
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- document.onmousemove = function (e) {
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- e.preventDefault() // 移动时禁用默认事件
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- // 通过事件委托,计算移动的距离
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- 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
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- const y = e.clientY - disY
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-
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- // console.log('e.clientY:', e.clientY, maxClientY)
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-
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- // if (e.clientY > maxClientY && maxClientY > 0) {
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- // return false
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- // }
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- // if (dragDom.clientHeight >= maxHeight && maxClientY == 0) {
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- // maxClientY = e.clientY
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- // console.log('maxClientY:', maxClientY)
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- // // return false
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- // }
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- if (dragDom.clientHeight >= maxHeight && maxWW == 0) {
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- maxWW = dragDom.clientWidth
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- }
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- // 比较是否小于最小宽高
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- if (x > maxWW && maxWW > 0) {
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- return
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- }
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- dragDom.style.width = x > minWidth ? `${x}px` : minWidth + 'px'
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- // if (dragDom.clientHeight >= maxHeight && maxClientY == 0) {
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- // console.log('到了')
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- // maxClientY = e.clientY
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- // }
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- // dragDom.style.height = y > minHeight ? `${y}px` : minHeight + 'px'
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- // dragDom.style.width = `${x}px`
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- // dragDom.style.height = `${y}px`
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- // if (!hasSetBodyHight) {
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- // const footerHeight =
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- // dragDom.querySelector('.el-dialog__footer') && dragDom.querySelector('.el-dialog__footer').offsetHeight
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- // dragDom.querySelector('.el-dialog__body').style.height =
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- // 'calc(100% - ' + (dialogHeaderEl.offsetHeight + footerHeight) + 'px)'
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- // hasSetBodyHight = true
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- // }
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- }
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- // 拉伸结束
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- document.onmouseup = function (e) {
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- document.onmousemove = null
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- document.onmouseup = null
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- if (!imgError && !!img.src) {
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- localStorage.setItem(
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- localKeyMap.resize[bValue],
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- JSON.stringify({
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- width: dragDom.style.width || 'auto',
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- height: dragDom.style.height || 'auto',
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- })
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- )
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- }
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-
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- el.dispatchEvent(resizeEvent)
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- }
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- }
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- },
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-}
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