New file |
| | |
| | | //鼠标滑动选中 |
| | | import {nextTick, ref,reactive} from "vue"; |
| | | import {ElMessage} from "element-plus"; |
| | | |
| | | let isSelecting = ref(false) // 是否正在进行选择操作,默认为false |
| | | let selectionStart = reactive({ rowIndex: -1, cellIndex: -1 }) // 选择操作起始单元格位置 |
| | | let selectionEnd = reactive({ rowIndex: -1, cellIndex: -1 }) // 选择操作结束单元格位置 |
| | | let gridOptions =reactive({ |
| | | rowConfig:{height:30} |
| | | }) |
| | | //获取页面ref节点 |
| | | //获取vxetable表格节点 |
| | | let xGrid = ref() |
| | | let cellarea = ref() |
| | | let leftfixedcellarea = ref() |
| | | let rightfixedcellarea = ref() |
| | | const getTablexGrid = () => { |
| | | return xGrid.value |
| | | } |
| | | |
| | | //添加事件 |
| | | const addListener = (xGrids,gridOption,cellareas) => { |
| | | xGrid.value = xGrids |
| | | gridOptions = gridOption |
| | | cellarea.value = cellareas |
| | | //添加多选列 |
| | | nextTick(() => { |
| | | window.addEventListener("mousedown", tableOutDestroyAreaBox)//给window添加鼠标按下事件,判断是否在表格外,是销毁 |
| | | window.addEventListener("mouseup", tbodymouseup)//给window添加鼠标松开事件 |
| | | let tbody = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper table tbody")//获取tbody区域 |
| | | |
| | | if (tbody) { |
| | | tbody.addEventListener("mousedown", tbodymousedown)//给表格中的tbody添加鼠标按下事件 |
| | | tbody.addEventListener("mousemove", tbodymousemove)//给表格中的tbody添加鼠标移动事件 |
| | | tbody.addEventListener("mouseout", throttle(tbodymouseout, 50))//给表格中的tbody添加鼠标移出事件 |
| | | tbody.addEventListener("click", tableCellClick)//添加左键单击事件 |
| | | //tbody.oncontextmenu = tableCellMenuClick//添加右键菜单事件 |
| | | } |
| | | let bodyWrapper = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper")//获取正常区域的body |
| | | if (bodyWrapper) { |
| | | //注意这里的ref名称,这里是非fixed区域的框的名称 |
| | | bodyWrapper.appendChild(cellarea.value)//添加范围框元素 |
| | | // let geticon = document.getElementById("getIcon") |
| | | // geticon.addEventListener("click", ()=>{ |
| | | // alert(2) |
| | | // }) |
| | | |
| | | } |
| | | /*setTimeout(() => { |
| | | //#region 左侧固定列 |
| | | let leftfixedtbody = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper table tbody")//获取fixedtbody区域 |
| | | |
| | | if (leftfixedtbody) { |
| | | leftfixedtbody.addEventListener("mousedown", tbodymousedown)//给表格中的leftfixedtbody添加鼠标按下事件 |
| | | leftfixedtbody.addEventListener("mousemove", tbodymousemove)//给表格中的leftfixedtbody添加鼠标移动事件 |
| | | leftfixedtbody.addEventListener("mouseout", throttle(tbodymouseout, 50))//给表格中的leftfixedtbody添加鼠标移出事件 |
| | | leftfixedtbody.addEventListener("click", tableCellClick)//添加单击事件 |
| | | leftfixedtbody.oncontextmenu = tableCellMenuClick//添加右键菜单事件 |
| | | } |
| | | |
| | | let leftFixedBodyWrapper = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper") |
| | | if (leftFixedBodyWrapper) { |
| | | //注意这里的ref名称,这里是fixed区域的框的名称 |
| | | leftFixedBodyWrapper.appendChild(leftfixedcellarea.value) |
| | | } |
| | | //#endregion |
| | | |
| | | //#region 右侧固定列 |
| | | let rightfixedtbody = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper table tbody")//获取fixedtbody区域 |
| | | |
| | | if (rightfixedtbody) { |
| | | rightfixedtbody.addEventListener("mousedown", tbodymousedown)//给表格中的rightfixedtbody添加鼠标按下事件 |
| | | rightfixedtbody.addEventListener("mousemove", tbodymousemove)//给表格中的rightfixedtbody添加鼠标移动事件 |
| | | rightfixedtbody.addEventListener("mouseout", throttle(tbodymouseout, 50))//给表格中的rightfixedtbody添加鼠标移出事件 |
| | | rightfixedtbody.addEventListener("click", tableCellClick)//添加单击事件 |
| | | rightfixedtbody.oncontextmenu = tableCellMenuClick//添加右键菜单事件 |
| | | } |
| | | |
| | | let rightFixedBodyWrapper = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper") |
| | | if (rightFixedBodyWrapper) { |
| | | //注意这里的ref名称,这里是fixed区域的框的名称 |
| | | rightFixedBodyWrapper.appendChild(rightfixedcellarea.value) |
| | | } |
| | | //#endregion |
| | | |
| | | }, 100)*/ |
| | | |
| | | }) |
| | | } |
| | | |
| | | //鼠标按下事件 |
| | | const tbodymousedown = (event: MouseEvent) => { |
| | | event.stopPropagation()//阻止冒泡 |
| | | getTablexGrid().closeMenu()//手动关闭右键菜单 |
| | | //左键0,中键1,右键2 |
| | | if (event.button === 0) {//左键按下 |
| | | // 记录选择操作起始位置 |
| | | selectionStart = getCellPosition(event.target)//设置选择操作起始单元格位置 |
| | | |
| | | isSelecting.value = true//标记为正在选择操作 |
| | | } |
| | | } |
| | | |
| | | //鼠标移动事件 |
| | | //todo 这里要节流操作,只在结束时触发一次 |
| | | const tbodymousemove = (event: MouseEvent) => { |
| | | if (event.button === 0) {//左键移动 |
| | | if (!isSelecting.value) return//如果当前非正在选择操作,直接退出 |
| | | //记录选择操作结束位置 |
| | | selectionEnd = getCellPosition(event.target) |
| | | |
| | | //设置样式,并显示范围框 |
| | | setselectedCellArea() |
| | | |
| | | } |
| | | } |
| | | |
| | | //鼠标按键结束事件,添加在了window中 |
| | | const tbodymouseup = (event: MouseEvent) => { |
| | | if (event.button === 0) {//左键松开 |
| | | isSelecting.value = false//标记为停止选择操作 |
| | | } |
| | | } |
| | | |
| | | let outevent = ref()//移动事件,不保存,循环定时器内无法监听到新的事件 |
| | | |
| | | //鼠标移出表格事件,只在移动的时候会触发,暂停移动不触发 |
| | | const tbodymouseout = (event: MouseEvent) => { |
| | | outevent.value = event//保存移动事件 |
| | | |
| | | if (isSelecting.value) {//如果正在执行选中操作 |
| | | const timer = setInterval(() => {//开启循环定时器 |
| | | if (isSelecting.value) {//判断当前是否正在选择 |
| | | //获取表格元素 |
| | | var table = getTablexGrid().$el.querySelector(".vxe-table--body-wrapper table")//获取非固定列(和固定列)的table元素 |
| | | if (outevent.value.clientX > table.parentElement.getBoundingClientRect().right - 30) {//判断鼠标x轴是否超出表格右侧,向右滚动 |
| | | var maxScrollPosition = table.parentElement.scrollWidth - table.parentElement.clientWidth//获取滚动条最大位置 |
| | | if (table.parentElement.scrollLeft < maxScrollPosition) {//如果没到滚动条最大位置,执行滚动 |
| | | table.parentElement.scrollLeft += 10//执行水平滚动条向右滚动 |
| | | } |
| | | } else if (outevent.value.clientX < table.parentElement.getBoundingClientRect().left + 30) {//判断鼠标x轴是否超出表格左侧,向左滚动 |
| | | if (table.parentElement.scrollLeft > 0) {//如果没到滚动条最大位置,执行滚动 |
| | | //鼠标移出表格,滚动水平滚动条 |
| | | table.parentElement.scrollLeft -= 10//执行水平滚动条向右滚动 |
| | | } |
| | | } |
| | | |
| | | |
| | | } else { |
| | | clearInterval(timer)//清除循环定时器 |
| | | } |
| | | }, 200)//这里设置滑动速度 |
| | | |
| | | } |
| | | |
| | | } |
| | | |
| | | //节流函数,todo//改为全局 |
| | | const throttle = (fn: Function, delay: number) => { |
| | | const canRun = ref(true) |
| | | return (...args: any[]) => { |
| | | if (!canRun.value) return |
| | | canRun.value = false |
| | | setTimeout(() => { |
| | | fn(...args) |
| | | canRun.value = true |
| | | }, delay) |
| | | } |
| | | } |
| | | |
| | | // 获取单元格位置(rowIndex, cellIndex) |
| | | const getCellPosition = (cell: any) => { |
| | | |
| | | |
| | | while (cell.tagName !== 'TD') {//将cell指向TD元素 |
| | | cell = cell.parentElement |
| | | } |
| | | |
| | | let visibleColumn = getTablexGrid().getTableColumn().visibleColumn//获取处理条件之后的全量表头列 |
| | | const cellIndex = visibleColumn.findIndex((col: { id: any; }) => {//返回colid相等的visibleColumn全量表头列的索引 |
| | | return col.id == cell.getAttribute("colid") |
| | | }) |
| | | |
| | | let visibleData = getTablexGrid().getTableData().visibleData//获取处理条件之后的全量表体数据 |
| | | |
| | | const rowIndex = visibleData.findIndex((row: { _X_ROW_KEY: any; }) => {//返回rowid相等的visibleData全量表体数据 |
| | | return row._X_ROW_KEY == cell.parentElement.getAttribute("rowid")//返回rowid相等的visibleData全量表体数据的索引 |
| | | }) |
| | | return { rowIndex, cellIndex } |
| | | |
| | | } |
| | | |
| | | //设置框打开 |
| | | const setselectedCellArea = () => { |
| | | var activeElement = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper .vxe-table--cell-active-area")//正常区域选中边框激活的元素(仅是边框) |
| | | var mainElement = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper .vxe-table--cell-main-area")//正常区域选中边框内整个范围的元素 |
| | | |
| | | var leftFixedActiveElement = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper .vxe-table--cell-active-area")//左侧固定列选中边框激活的元素(仅是边框) |
| | | var leftFixedMainElement = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper .vxe-table--cell-main-area")//左侧固定列选中边框内整个范围的元素 |
| | | |
| | | var rightFixedActiveElement = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper .vxe-table--cell-active-area")//右侧固定列选中边框激活的元素(仅是边框) |
| | | var rightFixedMainElement = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper .vxe-table--cell-main-area")//右侧固定列选中边框内整个范围的元素 |
| | | |
| | | |
| | | var elements = [activeElement, mainElement, leftFixedActiveElement, leftFixedMainElement, rightFixedActiveElement, rightFixedMainElement] |
| | | let area = getAreaBoxPosition() |
| | | if (area) { |
| | | var { width, height, left, top, right } = area |
| | | } else { |
| | | return |
| | | } |
| | | elements.forEach((element, index) => { |
| | | if (element) {//设置显示范围框的内部元素的样式 |
| | | element.style.width = `${width}px` |
| | | element.style.height = `${height}px` |
| | | element.style.top = `${top}px` |
| | | element.style.display = "block" |
| | | if (index <= elements.length - 1 - 2) {//如果不是rightFixedActiveElement或rightFixedMainElement |
| | | element.style.left = `${left}px` |
| | | } else { |
| | | element.style.right = `${right}px` |
| | | } |
| | | } |
| | | }) |
| | | |
| | | //显示范围框 |
| | | openAreaBox() |
| | | } |
| | | |
| | | //根据开始位置和结束位置的索引计算框的width,height,left,top(左侧固定列和正常区域和右侧固定列使用) |
| | | const getAreaBoxPosition = () => { |
| | | let startRowIndex = selectionStart.rowIndex//获取选中起始行索引 |
| | | let endRowIndex = selectionEnd.rowIndex//获取选中结束行索引 |
| | | let startColumnIndex = selectionStart.cellIndex//获取选中起始列索引 |
| | | let endColumnIndex = selectionEnd.cellIndex//获取选中结束列索引 |
| | | let visibleColumn = getTablexGrid().getTableColumn().visibleColumn//获取处理条件之后的全量表头列 |
| | | let visibleData = getTablexGrid().getTableData().visibleData//获取处理条件之后的全量表体数据 |
| | | if (startColumnIndex < 0 || endColumnIndex < 0 || startRowIndex < 0 || endRowIndex < 0) return |
| | | var maxColumnIndex = visibleColumn.length - 1//最大列索引 |
| | | var maxRowIndex = visibleData.length - 1//最大行索引 |
| | | if (endColumnIndex > maxColumnIndex) {//到最后一列,指向最后一列 |
| | | endColumnIndex = maxColumnIndex |
| | | } |
| | | if (endRowIndex > maxRowIndex) {//到最后一行,指向最后一行 |
| | | endRowIndex = maxRowIndex |
| | | } |
| | | let width = 0, height = 0, left = 0, top = 0, right = 0 |
| | | visibleColumn.forEach((col: { renderWidth: number; }, index: number) => { |
| | | if (startColumnIndex <= endColumnIndex) {//开始列索引小于结束列索引,即从左往右选择 |
| | | if (index < startColumnIndex) { |
| | | left += col.renderWidth//距离表格整体左侧边框距离 |
| | | } |
| | | if (index > endColumnIndex) {//数据索引大于结束列,这里获取距离后面数据的宽度 |
| | | right += col.renderWidth//距离表格整体右侧边框距离,加上当前列 |
| | | } |
| | | if (startColumnIndex <= index && index <= endColumnIndex) {//开始列索引大于数据索引 和 结束列索引小于数据索引,这里获取选中区域的宽度 |
| | | width += col.renderWidth//选中区域的宽度 |
| | | } |
| | | } else {//从右往左选择 |
| | | if (index < endColumnIndex) { |
| | | left += col.renderWidth//距离表格整体左侧边框距离 |
| | | } |
| | | if (index > startColumnIndex) {//数据索引大于开始列,这里获取距离后面数据的宽度 |
| | | right += col.renderWidth//距离表格整体右侧边框距离,加上当前列 |
| | | } |
| | | if (startColumnIndex >= index && index >= endColumnIndex) {//开始列索引大于数据索引 和 结束列索引小于数据索引,这里获取选中区域的宽度 |
| | | width += col.renderWidth//选中区域的宽度 |
| | | } |
| | | } |
| | | |
| | | }) |
| | | if (startRowIndex <= endRowIndex) {//开始行索引小于结束行索引,即从上往下选择 |
| | | height = (endRowIndex - startRowIndex + 1) * gridOptions.rowConfig!.height!//选中区域的高度 |
| | | top = startRowIndex * gridOptions.rowConfig!.height!//距离表格整体顶部边框距离 |
| | | } else { |
| | | height = (startRowIndex - endRowIndex + 1) * gridOptions.rowConfig!.height!//选中区域的高度 |
| | | top = endRowIndex * gridOptions.rowConfig!.height!//距离表格整体顶部边框距离 |
| | | } |
| | | |
| | | |
| | | |
| | | return { width, height, left, top, right } |
| | | |
| | | } |
| | | |
| | | //显示范围框 |
| | | const openAreaBox = () => { |
| | | let element = xGrid.value.$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper .vxe-table--cell-area") |
| | | if (element) { |
| | | element.style.display = "block" |
| | | } |
| | | element = xGrid.value.$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper .vxe-table--cell-area") |
| | | if (element) { |
| | | element.style.display = "block" |
| | | } |
| | | element = xGrid.value.$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper .vxe-table--cell-area") |
| | | if (element) { |
| | | element.style.display = "block" |
| | | } |
| | | } |
| | | |
| | | //表格外销毁范围框 |
| | | const tableOutDestroyAreaBox = (event: MouseEvent) => { |
| | | var element = getTablexGrid().$el.querySelector(".vxe-table--render-wrapper") |
| | | if (element) { |
| | | if (event.clientX < element.getBoundingClientRect().left || event.clientX > element.getBoundingClientRect().right |
| | | || event.clientY > element.getBoundingClientRect().top || event.clientY < element.getBoundingClientRect().bottom |
| | | ) { |
| | | destroyAreaBox() |
| | | } |
| | | } |
| | | |
| | | |
| | | } |
| | | |
| | | //销毁范围框 |
| | | const destroyAreaBox = () => { |
| | | var element = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper .vxe-table--cell-area") |
| | | if (element) { |
| | | element.style.display = "none" |
| | | } |
| | | element = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper .vxe-table--cell-area") |
| | | if (element) { |
| | | element.style.display = "none" |
| | | } |
| | | element = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper .vxe-table--cell-area") |
| | | if (element) { |
| | | element.style.display = "none" |
| | | } |
| | | } |
| | | |
| | | //表格单元格点击事件 |
| | | const tableCellClick = (e: MouseEvent) => { |
| | | |
| | | if (!isSelecting.value) {//非选中状态 |
| | | try { |
| | | selectionStart = getCellPosition(e.target)//获取单元格位置 |
| | | selectionEnd = selectionStart//结束位置也是自己 |
| | | //设置样式 |
| | | setselectedCellArea() |
| | | } catch (error) { |
| | | |
| | | } |
| | | |
| | | } |
| | | } |
| | | |
| | | //表格右键点击事件 |
| | | const tableCellMenuClick = (e: MouseEvent) => { |
| | | if (!isSelecting.value) {//非选中状态 |
| | | let currentCellPosition = getCellPosition(e.target)//获取单元格位置 |
| | | var horizontalFlag//是否在范围框的水平判断标记 |
| | | var verticalFlag//是否在范围框的垂直判断标记 |
| | | if (selectionStart.cellIndex <= selectionEnd.cellIndex) {//如果是从左往右选取 |
| | | horizontalFlag = selectionStart.cellIndex <= currentCellPosition.cellIndex && currentCellPosition.cellIndex <= selectionEnd.cellIndex |
| | | } else {//从右往左选取 |
| | | horizontalFlag = selectionEnd.cellIndex <= currentCellPosition.cellIndex && currentCellPosition.cellIndex <= selectionStart.cellIndex |
| | | } |
| | | if (selectionStart.rowIndex <= selectionEnd.rowIndex) {//如果是从上往下选取 |
| | | verticalFlag = selectionStart.rowIndex <= currentCellPosition.rowIndex && currentCellPosition.rowIndex <= selectionEnd.rowIndex |
| | | } else {//从下往上选取 |
| | | verticalFlag = selectionEnd.rowIndex <= currentCellPosition.rowIndex && currentCellPosition.rowIndex <= selectionStart.rowIndex |
| | | } |
| | | |
| | | if (horizontalFlag && verticalFlag) { //判断如果不在选中区域内,触发表格左键单击事件,更新截取单元格,否则如果在正常触发右键菜单 |
| | | |
| | | } else { |
| | | selectionStart = getCellPosition(e.target)//获取单元格位置 |
| | | selectionEnd = selectionStart//结束位置也是自己 |
| | | //设置样式 |
| | | setselectedCellArea() |
| | | } |
| | | |
| | | } |
| | | |
| | | } |
| | | |
| | | const toolbarButtonClickEvent = () => { |
| | | |
| | | // //我给大家打印处理: |
| | | // console.log("是否正在进行滑动选中操作:", isSelecting.value) |
| | | // //左上角坐标 |
| | | // console.log("单元格起始位置:索引:", selectionStart) |
| | | // //右下角坐标 |
| | | // console.log("单元格结束位置:索引:", selectionEnd) |
| | | if (selectionStart.cellIndex!==selectionEnd.cellIndex){ |
| | | ElMessage.warning("请选择相同一列") |
| | | return false |
| | | } |
| | | |
| | | |
| | | // //这里需要是visibleData |
| | | // let tableData = getTablexGrid().getTableData().visibleData//获取处理条件之后的全量表体数据 |
| | | // let rowStart = selectionStart.rowIndex//获取选中起始行索引 |
| | | // let rowEnd = selectionEnd.rowIndex//获取选中结束行索引 |
| | | // let selectRows = tableData.filter((col, index: number) => {//col参数不能改否则会获取不到数据 |
| | | // //这里修改从右下往左上拖动的数据显示 |
| | | // if (rowStart <= rowEnd) { |
| | | // return rowStart <= index && rowEnd >= index |
| | | // } else { |
| | | // return rowStart >= index && rowEnd <= index |
| | | // } |
| | | // }) |
| | | // console.log("鼠标选中行:", JSON.stringify(selectRows)) |
| | | |
| | | //这里需要是visibleColumn |
| | | let colStart = selectionStart.cellIndex//获取选中起始列索引 |
| | | let colEnd = selectionEnd.cellIndex//获取选中结束列索引 |
| | | let tableColumn = getTablexGrid().getTableColumn().visibleColumn//获取处理条件之后的全量表头列 |
| | | let selectCols = tableColumn.filter((col, index: number) => {//col参数不能改否则会获取不到数据 |
| | | //这里修改从右下往左上拖动的数据显示 |
| | | if (colStart <= colEnd) { |
| | | return colStart <= index && colEnd >= index |
| | | } else { |
| | | return colStart >= index && colEnd <= index |
| | | } |
| | | |
| | | }) |
| | | return { |
| | | start:selectionStart.rowIndex, |
| | | end : selectionEnd.rowIndex, |
| | | cell:selectCols[0].field |
| | | } |
| | | //console.log("鼠标选中列:", JSON.stringify(selectCols)) |
| | | |
| | | |
| | | } |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | export { |
| | | addListener, |
| | | toolbarButtonClickEvent |
| | | } |