349 lines
12 KiB
TypeScript
349 lines
12 KiB
TypeScript
import { toRaw } from 'vue'
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import { DragKeyEnum, MouseEventButton, WinKeyboard, MacKeyboard } from '@/enums/editPageEnum'
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import { createComponent } from '@/packages'
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import { ConfigType } from '@/packages/index.d'
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import { CreateComponentType, CreateComponentGroupType, PickCreateComponentType } from '@/packages/index.d'
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import { useContextMenu } from '@/views/chart/hooks/useContextMenu.hook'
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import { useChartEditStore } from '@/store/modules/chartEditStore/chartEditStore'
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import { EditCanvasTypeEnum } from '@/store/modules/chartEditStore/chartEditStore.d'
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import { loadingStart, loadingFinish, loadingError } from '@/utils'
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import throttle from 'lodash/throttle'
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const chartEditStore = useChartEditStore()
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const { onClickOutSide } = useContextMenu()
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// * 拖拽到编辑区域里
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export const dragHandle = async (e: DragEvent) => {
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e.preventDefault()
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try {
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loadingStart()
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// 获取拖拽数据
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const drayDataString = e!.dataTransfer!.getData(DragKeyEnum.DRAG_KEY)
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if (!drayDataString) {
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loadingFinish()
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return
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}
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// 修改状态
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chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_CREATE, false)
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const dropData: Exclude<ConfigType, ['image']> = JSON.parse(drayDataString)
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// 创建新图表组件
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let newComponent: CreateComponentType = await createComponent(dropData)
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newComponent.setPosition(e.offsetX - newComponent.attr.w / 2, e.offsetY - newComponent.attr.h / 2)
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chartEditStore.addComponentList(newComponent, false, true)
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chartEditStore.setTargetSelectChart(newComponent.id)
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loadingFinish()
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} catch (error) {
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loadingError()
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window['$message'].warning(`图表正在研发中, 敬请期待...`)
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}
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}
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// * 进入拖拽区域
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export const dragoverHandle = (e: DragEvent) => {
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e.preventDefault()
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e.stopPropagation()
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if (e.dataTransfer) e.dataTransfer.dropEffect = 'copy'
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}
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// * 不拦截默认行为点击
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export const mousedownHandleUnStop = (e: MouseEvent, item?: CreateComponentType | CreateComponentGroupType) => {
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if (item) {
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chartEditStore.setTargetSelectChart(item.id)
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return
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}
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chartEditStore.setTargetSelectChart(undefined)
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}
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// * 框选
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export const mousedownBoxSelect = (e: MouseEvent, item?: CreateComponentType | CreateComponentGroupType) => {
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mousedownHandleUnStop(e)
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// 记录点击初始位置
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const startOffsetX = e.offsetX
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const startOffsetY = e.offsetY
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const startScreenX = e.screenX
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const startScreenY = e.screenY
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// 记录缩放
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const scale = chartEditStore.getEditCanvas.scale
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chartEditStore.setMousePosition(undefined, undefined, startOffsetX, startOffsetY)
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// 移动框选
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const mousemove = throttle((moveEvent: MouseEvent) => {
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// 取消当前选中
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chartEditStore.setTargetSelectChart()
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chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_SELECT, true)
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// 这里先把相对值算好，不然组件无法获取 startScreenX 和 startScreenY 的值
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const currX = startOffsetX + moveEvent.screenX - startScreenX
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const currY = startOffsetY + moveEvent.screenY - startScreenY
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chartEditStore.setMousePosition(currX, currY)
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// 计算框选的左上角和右下角
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const selectAttr = {
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// 左上角
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x1: 0,
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y1: 0,
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// 右下角
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x2: 0,
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y2: 0
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}
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if (currX > startOffsetX && currY > startOffsetY) {
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// 右下方向
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selectAttr.x1 = startOffsetX
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selectAttr.y1 = startOffsetY
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selectAttr.x2 = Math.round(startOffsetX + (moveEvent.screenX - startScreenX) / scale)
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selectAttr.y2 = Math.round(startOffsetY + (moveEvent.screenY - startScreenY) / scale)
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} else if (currX > startOffsetX && currY < startOffsetY) {
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// 右上方向
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selectAttr.x1 = startOffsetX
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selectAttr.y1 = Math.round(startOffsetY - (startScreenY - moveEvent.screenY) / scale)
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selectAttr.x2 = Math.round(startOffsetX + (moveEvent.screenX - startScreenX) / scale)
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selectAttr.y2 = startOffsetY
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} else if (currX < startOffsetX && currY > startOffsetY) {
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selectAttr.x1 = Math.round(startOffsetX - (startScreenX - moveEvent.screenX) / scale)
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selectAttr.y1 = startOffsetY
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selectAttr.x2 = startOffsetX
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selectAttr.y2 = Math.round(startOffsetY + (moveEvent.screenY - startScreenY ) / scale)
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// 左下方向
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} else {
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// 左上方向
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selectAttr.x1 = Math.round(startOffsetX - (startScreenX - moveEvent.screenX) / scale)
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selectAttr.y1 = Math.round(startOffsetY - (startScreenY - moveEvent.screenY) / scale)
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selectAttr.x2 = startOffsetX
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selectAttr.y2 = startOffsetY
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}
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// 遍历组件
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chartEditStore.getComponentList.forEach(item => {
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if (!chartEditStore.getTargetChart.selectId.includes(item.id)) {
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// 处理左上角
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let isSelect = false
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const { x, y, w, h } = item.attr
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const targetAttr = {
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// 左上角
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x1: x,
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y1: y,
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// 右下角
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x2: x + w,
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y2: y + h
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}
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// 全包含则选中
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if (
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targetAttr.x1 - selectAttr.x1 >= 0 &&
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targetAttr.y1 - selectAttr.y1 >= 0 &&
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targetAttr.x2 - selectAttr.x2 <= 0 &&
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targetAttr.y2 - selectAttr.y2 <= 0
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) {
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isSelect = true
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chartEditStore.setTargetSelectChart(item.id, true)
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}
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}
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})
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}, 50)
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// 鼠标抬起
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const mouseup = () => {
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chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_SELECT, false)
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chartEditStore.setMousePosition(0, 0, 0, 0)
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document.removeEventListener('mousemove', mousemove)
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document.removeEventListener('mouseup', mouseup)
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}
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document.addEventListener('mousemove', mousemove)
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document.addEventListener('mouseup', mouseup)
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}
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// * 鼠标事件
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export const useMouseHandle = () => {
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// * Click 事件, 松开鼠标触发
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const mouseClickHandle = (e: MouseEvent, item: CreateComponentType | CreateComponentGroupType) => {
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e.preventDefault()
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e.stopPropagation()
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// 若此时按下了 CTRL, 表示多选
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if (
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window.$KeyboardActive?.has(WinKeyboard.CTRL_SOURCE_KEY) ||
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window.$KeyboardActive?.has(MacKeyboard.CTRL_SOURCE_KEY)
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) {
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// 若已选中，则去除
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if (chartEditStore.targetChart.selectId.includes(item.id)) {
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const exList = chartEditStore.targetChart.selectId.filter(e => e !== item.id)
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chartEditStore.setTargetSelectChart(exList)
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} else {
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chartEditStore.setTargetSelectChart(item.id, true)
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}
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}
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}
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// * 按下事件（包含移动事件）
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const mousedownHandle = (e: MouseEvent, item: CreateComponentType | CreateComponentGroupType) => {
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e.preventDefault()
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e.stopPropagation()
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onClickOutSide()
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// 按下左键 + CTRL
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if (
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e.buttons === MouseEventButton.LEFT &&
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(window.$KeyboardActive?.has(WinKeyboard.CTRL_SOURCE_KEY) ||
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window.$KeyboardActive?.has(MacKeyboard.CTRL_SOURCE_KEY))
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)
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return
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// 按下右键 + 选中多个 + 目标元素是多选子元素
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const selectId = chartEditStore.getTargetChart.selectId
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if (e.buttons === MouseEventButton.RIGHT && selectId.length > 1 && selectId.includes(item.id)) return
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// 选中当前目标组件
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chartEditStore.setTargetSelectChart(item.id)
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// 按下右键
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if (e.buttons === MouseEventButton.RIGHT) return
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const scale = chartEditStore.getEditCanvas.scale
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const canvasWidth = chartEditStore.getEditCanvasConfig.width
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const canvasHeight = chartEditStore.getEditCanvasConfig.height
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// 记录图表初始位置和大小
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const targetMap = new Map()
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chartEditStore.getTargetChart.selectId.forEach(id => {
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const index = chartEditStore.fetchTargetIndex(id)
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if (index !== -1) {
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const { x, y, w, h } = toRaw(chartEditStore.getComponentList[index]).attr
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targetMap.set(id, { x, y, w, h })
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}
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})
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// 记录点击初始位置
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const startX = e.screenX
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const startY = e.screenY
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// 记录初始位置
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chartEditStore.setMousePosition(undefined, undefined, startX, startY)
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// 移动-计算偏移量
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const mousemove = throttle((moveEvent: MouseEvent) => {
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chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, true)
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chartEditStore.setMousePosition(moveEvent.screenX, moveEvent.screenY)
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// 当前偏移量，处理 scale 比例问题
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let offsetX = (moveEvent.screenX - startX) / scale
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let offsetY = (moveEvent.screenY - startY) / scale
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chartEditStore.getTargetChart.selectId.forEach(id => {
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if (!targetMap.has(id)) return
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const index = chartEditStore.fetchTargetIndex(id)
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// 拿到初始位置数据
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const { x, y, w, h } = targetMap.get(id)
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const componentInstance = chartEditStore.getComponentList[index]
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let currX = Math.round(x + offsetX)
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let currY = Math.round(y + offsetY)
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// 要预留的距离
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const distance = 50
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// 基于左上角位置检测
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currX = currX < -w + distance ? -w + distance : currX
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currY = currY < -h + distance ? -h + distance : currY
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// 基于右下角位置检测
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currX = currX > canvasWidth - distance ? canvasWidth - distance : currX
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currY = currY > canvasHeight - distance ? canvasHeight - distance : currY
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componentInstance.attr = Object.assign(componentInstance.attr, {
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x: currX,
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y: currY
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})
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})
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return
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}, 30)
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const mouseup = () => {
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chartEditStore.setMousePosition(0, 0, 0, 0)
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chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, false)
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document.removeEventListener('mousemove', mousemove)
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document.removeEventListener('mouseup', mouseup)
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}
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document.addEventListener('mousemove', mousemove)
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document.addEventListener('mouseup', mouseup)
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}
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// * 进入事件
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const mouseenterHandle = (e: MouseEvent, item: CreateComponentType | CreateComponentGroupType) => {
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e.preventDefault()
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e.stopPropagation()
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if (!chartEditStore.getEditCanvas.isSelect) {
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chartEditStore.setTargetHoverChart(item.id)
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}
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}
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// * 移出事件
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const mouseleaveHandle = (e: MouseEvent, item: CreateComponentType | CreateComponentGroupType) => {
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e.preventDefault()
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e.stopPropagation()
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chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, false)
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chartEditStore.setTargetHoverChart(undefined)
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}
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return { mouseClickHandle, mousedownHandle, mouseenterHandle, mouseleaveHandle }
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}
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// * 移动锚点
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export const useMousePointHandle = (e: MouseEvent, point: string, attr: PickCreateComponentType<'attr'>) => {
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e.stopPropagation()
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e.preventDefault()
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// 设置拖拽状态
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chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, true)
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const scale = chartEditStore.getEditCanvas.scale
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const itemAttrX = attr.x
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const itemAttrY = attr.y
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const itemAttrW = attr.w
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const itemAttrH = attr.h
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// 记录点击初始位置
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const startX = e.screenX
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const startY = e.screenY
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// 记录初始位置
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chartEditStore.setMousePosition(startX, startY)
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const mousemove = throttle((moveEvent: MouseEvent) => {
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chartEditStore.setMousePosition(moveEvent.screenX, moveEvent.screenY)
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let currX = Math.round((moveEvent.screenX - startX) / scale)
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let currY = Math.round((moveEvent.screenY - startY) / scale)
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const isTop = /t/.test(point)
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const isBottom = /b/.test(point)
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const isLeft = /l/.test(point)
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const isRight = /r/.test(point)
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const newHeight = itemAttrH + (isTop ? -currY : isBottom ? currY : 0)
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const newWidth = itemAttrW + (isLeft ? -currX : isRight ? currX : 0)
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attr.h = newHeight > 0 ? newHeight : 0
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attr.w = newWidth > 0 ? newWidth : 0
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attr.x = itemAttrX + (isLeft ? currX : 0)
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attr.y = itemAttrY + (isTop ? currY : 0)
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}, 50)
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const mouseup = () => {
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chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, false)
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chartEditStore.setMousePosition(0, 0, 0, 0)
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document.removeEventListener('mousemove', mousemove)
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document.removeEventListener('mouseup', mouseup)
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}
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document.addEventListener('mousemove', mousemove)
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document.addEventListener('mouseup', mouseup)
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}
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