376 lines
13 KiB
TypeScript
376 lines
13 KiB
TypeScript
import { toRaw } from 'vue'
|
||
import { DragKeyEnum, MouseEventButton, WinKeyboard, MacKeyboard } from '@/enums/editPageEnum'
|
||
import { createComponent } from '@/packages'
|
||
import { ConfigType } from '@/packages/index.d'
|
||
import { CreateComponentType, CreateComponentGroupType, PickCreateComponentType } from '@/packages/index.d'
|
||
import { useContextMenu } from '@/views/chart/hooks/useContextMenu.hook'
|
||
import { useChartEditStore } from '@/store/modules/chartEditStore/chartEditStore'
|
||
import { EditCanvasTypeEnum } from '@/store/modules/chartEditStore/chartEditStore.d'
|
||
import { loadingStart, loadingFinish, loadingError } from '@/utils'
|
||
import { throttle, cloneDeep } from 'lodash'
|
||
|
||
const chartEditStore = useChartEditStore()
|
||
const { onClickOutSide } = useContextMenu()
|
||
|
||
// * 拖拽到编辑区域里
|
||
export const dragHandle = async (e: DragEvent) => {
|
||
e.preventDefault()
|
||
|
||
try {
|
||
loadingStart()
|
||
|
||
// 获取拖拽数据
|
||
const drayDataString = e!.dataTransfer!.getData(DragKeyEnum.DRAG_KEY)
|
||
if (!drayDataString) {
|
||
loadingFinish()
|
||
return
|
||
}
|
||
|
||
// 修改状态
|
||
chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_CREATE, false)
|
||
const dropData: Exclude<ConfigType, ['image']> = JSON.parse(drayDataString)
|
||
|
||
// 创建新图表组件
|
||
let newComponent: CreateComponentType = await createComponent(dropData)
|
||
|
||
newComponent.setPosition(e.offsetX - newComponent.attr.w / 2, e.offsetY - newComponent.attr.h / 2)
|
||
chartEditStore.addComponentList(newComponent, false, true)
|
||
chartEditStore.setTargetSelectChart(newComponent.id)
|
||
loadingFinish()
|
||
} catch (error) {
|
||
loadingError()
|
||
window['$message'].warning(`图表正在研发中, 敬请期待...`)
|
||
}
|
||
}
|
||
|
||
// * 进入拖拽区域
|
||
export const dragoverHandle = (e: DragEvent) => {
|
||
e.preventDefault()
|
||
e.stopPropagation()
|
||
|
||
if (e.dataTransfer) e.dataTransfer.dropEffect = 'copy'
|
||
}
|
||
|
||
// * 不拦截默认行为点击
|
||
export const mousedownHandleUnStop = (e: MouseEvent, item?: CreateComponentType | CreateComponentGroupType) => {
|
||
if (item) {
|
||
chartEditStore.setTargetSelectChart(item.id)
|
||
return
|
||
}
|
||
chartEditStore.setTargetSelectChart(undefined)
|
||
}
|
||
|
||
// * 框选
|
||
export const mousedownBoxSelect = (e: MouseEvent, item?: CreateComponentType | CreateComponentGroupType) => {
|
||
mousedownHandleUnStop(e)
|
||
|
||
// 记录点击初始位置
|
||
const startOffsetX = e.offsetX
|
||
const startOffsetY = e.offsetY
|
||
const startScreenX = e.screenX
|
||
const startScreenY = e.screenY
|
||
|
||
// 记录缩放
|
||
const scale = chartEditStore.getEditCanvas.scale
|
||
|
||
chartEditStore.setMousePosition(undefined, undefined, startOffsetX, startOffsetY)
|
||
|
||
// 移动框选
|
||
const mousemove = throttle((moveEvent: MouseEvent) => {
|
||
// 取消当前选中
|
||
chartEditStore.setTargetSelectChart()
|
||
chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_SELECT, true)
|
||
|
||
// 这里先把相对值算好，不然组件无法获取 startScreenX 和 startScreenY 的值
|
||
const currX = startOffsetX + moveEvent.screenX - startScreenX
|
||
const currY = startOffsetY + moveEvent.screenY - startScreenY
|
||
chartEditStore.setMousePosition(currX, currY)
|
||
|
||
// 计算框选的左上角和右下角
|
||
const selectAttr = {
|
||
// 左上角
|
||
x1: 0,
|
||
y1: 0,
|
||
// 右下角
|
||
x2: 0,
|
||
y2: 0
|
||
}
|
||
if (currX > startOffsetX && currY > startOffsetY) {
|
||
// 右下方向
|
||
selectAttr.x1 = startOffsetX
|
||
selectAttr.y1 = startOffsetY
|
||
selectAttr.x2 = Math.round(startOffsetX + (moveEvent.screenX - startScreenX) / scale)
|
||
selectAttr.y2 = Math.round(startOffsetY + (moveEvent.screenY - startScreenY) / scale)
|
||
} else if (currX > startOffsetX && currY < startOffsetY) {
|
||
// 右上方向
|
||
selectAttr.x1 = startOffsetX
|
||
selectAttr.y1 = Math.round(startOffsetY - (startScreenY - moveEvent.screenY) / scale)
|
||
selectAttr.x2 = Math.round(startOffsetX + (moveEvent.screenX - startScreenX) / scale)
|
||
selectAttr.y2 = startOffsetY
|
||
} else if (currX < startOffsetX && currY > startOffsetY) {
|
||
selectAttr.x1 = Math.round(startOffsetX - (startScreenX - moveEvent.screenX) / scale)
|
||
selectAttr.y1 = startOffsetY
|
||
selectAttr.x2 = startOffsetX
|
||
selectAttr.y2 = Math.round(startOffsetY + (moveEvent.screenY - startScreenY) / scale)
|
||
// 左下方向
|
||
} else {
|
||
// 左上方向
|
||
selectAttr.x1 = Math.round(startOffsetX - (startScreenX - moveEvent.screenX) / scale)
|
||
selectAttr.y1 = Math.round(startOffsetY - (startScreenY - moveEvent.screenY) / scale)
|
||
selectAttr.x2 = startOffsetX
|
||
selectAttr.y2 = startOffsetY
|
||
}
|
||
|
||
// 遍历组件
|
||
chartEditStore.getComponentList.forEach(item => {
|
||
if (!chartEditStore.getTargetChart.selectId.includes(item.id)) {
|
||
// 处理左上角
|
||
let isSelect = false
|
||
const { x, y, w, h } = item.attr
|
||
const targetAttr = {
|
||
// 左上角
|
||
x1: x,
|
||
y1: y,
|
||
// 右下角
|
||
x2: x + w,
|
||
y2: y + h
|
||
}
|
||
// 全包含则选中
|
||
if (
|
||
targetAttr.x1 - selectAttr.x1 >= 0 &&
|
||
targetAttr.y1 - selectAttr.y1 >= 0 &&
|
||
targetAttr.x2 - selectAttr.x2 <= 0 &&
|
||
targetAttr.y2 - selectAttr.y2 <= 0 &&
|
||
!item.status.lock &&
|
||
!item.status.hide
|
||
) {
|
||
isSelect = true
|
||
chartEditStore.setTargetSelectChart(item.id, true)
|
||
}
|
||
}
|
||
})
|
||
}, 20)
|
||
|
||
// 鼠标抬起
|
||
const mouseup = () => {
|
||
// 鼠标抬起时，结束mousemove的节流函数，避免选框不消失问题
|
||
mousemove.cancel()
|
||
chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_SELECT, false)
|
||
chartEditStore.setMousePosition(0, 0, 0, 0)
|
||
document.removeEventListener('mousemove', mousemove)
|
||
document.removeEventListener('mouseup', mouseup)
|
||
}
|
||
document.addEventListener('mousemove', mousemove)
|
||
document.addEventListener('mouseup', mouseup)
|
||
}
|
||
|
||
// * 鼠标事件
|
||
export const useMouseHandle = () => {
|
||
// * Click 事件, 松开鼠标触发
|
||
const mouseClickHandle = (e: MouseEvent, item: CreateComponentType | CreateComponentGroupType) => {
|
||
e.preventDefault()
|
||
e.stopPropagation()
|
||
if (item.status.lock) return
|
||
// 若此时按下了 CTRL, 表示多选
|
||
if (window.$KeyboardActive?.ctrl) {
|
||
// 若已选中，则去除
|
||
if (chartEditStore.targetChart.selectId.includes(item.id)) {
|
||
const exList = chartEditStore.targetChart.selectId.filter(e => e !== item.id)
|
||
chartEditStore.setTargetSelectChart(exList)
|
||
} else {
|
||
chartEditStore.setTargetSelectChart(item.id, true)
|
||
}
|
||
}
|
||
}
|
||
|
||
// * 按下事件（包含移动事件）
|
||
const mousedownHandle = (e: MouseEvent, item: CreateComponentType | CreateComponentGroupType) => {
|
||
e.preventDefault()
|
||
e.stopPropagation()
|
||
if (item.status.lock) return
|
||
onClickOutSide()
|
||
// 按下左键 + CTRL
|
||
if (e.buttons === MouseEventButton.LEFT && window.$KeyboardActive?.ctrl)
|
||
return
|
||
|
||
// 按下右键 + 选中多个 + 目标元素是多选子元素
|
||
const selectId = chartEditStore.getTargetChart.selectId
|
||
if (e.buttons === MouseEventButton.RIGHT && selectId.length > 1 && selectId.includes(item.id)) return
|
||
|
||
// 选中当前目标组件
|
||
chartEditStore.setTargetSelectChart(item.id)
|
||
|
||
// 按下右键
|
||
if (e.buttons === MouseEventButton.RIGHT) return
|
||
|
||
const scale = chartEditStore.getEditCanvas.scale
|
||
const canvasWidth = chartEditStore.getEditCanvasConfig.width
|
||
const canvasHeight = chartEditStore.getEditCanvasConfig.height
|
||
|
||
// 记录图表初始位置和大小
|
||
const targetMap = new Map()
|
||
chartEditStore.getTargetChart.selectId.forEach(id => {
|
||
const index = chartEditStore.fetchTargetIndex(id)
|
||
if (index !== -1) {
|
||
const { x, y, w, h } = toRaw(chartEditStore.getComponentList[index]).attr
|
||
targetMap.set(id, { x, y, w, h })
|
||
}
|
||
})
|
||
|
||
// 记录点击初始位置
|
||
const startX = e.screenX
|
||
const startY = e.screenY
|
||
|
||
// 记录历史位置
|
||
let prevComponentInstance: Array<CreateComponentType | CreateComponentGroupType> = []
|
||
chartEditStore.getTargetChart.selectId.forEach(id => {
|
||
if (!targetMap.has(id)) return
|
||
|
||
const index = chartEditStore.fetchTargetIndex(id)
|
||
// 拿到初始位置数据
|
||
prevComponentInstance.push(cloneDeep(chartEditStore.getComponentList[index]))
|
||
})
|
||
|
||
// 记录初始位置
|
||
chartEditStore.setMousePosition(undefined, undefined, startX, startY)
|
||
|
||
// 移动-计算偏移量
|
||
const mousemove = throttle((moveEvent: MouseEvent) => {
|
||
chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, true)
|
||
chartEditStore.setMousePosition(moveEvent.screenX, moveEvent.screenY)
|
||
|
||
// 当前偏移量，处理 scale 比例问题
|
||
let offsetX = (moveEvent.screenX - startX) / scale
|
||
let offsetY = (moveEvent.screenY - startY) / scale
|
||
|
||
chartEditStore.getTargetChart.selectId.forEach(id => {
|
||
if (!targetMap.has(id)) return
|
||
|
||
const index = chartEditStore.fetchTargetIndex(id)
|
||
// 拿到初始位置数据
|
||
const { x, y, w, h } = targetMap.get(id)
|
||
const componentInstance = chartEditStore.getComponentList[index]
|
||
|
||
let currX = Math.round(x + offsetX)
|
||
let currY = Math.round(y + offsetY)
|
||
|
||
// 要预留的距离
|
||
const distance = 50
|
||
|
||
// 基于左上角位置检测
|
||
currX = currX < -w + distance ? -w + distance : currX
|
||
currY = currY < -h + distance ? -h + distance : currY
|
||
|
||
// 基于右下角位置检测
|
||
currX = currX > canvasWidth - distance ? canvasWidth - distance : currX
|
||
currY = currY > canvasHeight - distance ? canvasHeight - distance : currY
|
||
|
||
componentInstance.attr = Object.assign(componentInstance.attr, {
|
||
x: currX,
|
||
y: currY
|
||
})
|
||
})
|
||
return
|
||
}, 20)
|
||
|
||
const mouseup = () => {
|
||
chartEditStore.setMousePosition(0, 0, 0, 0)
|
||
chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, false)
|
||
// 加入历史栈
|
||
if (prevComponentInstance.length) {
|
||
chartEditStore.getTargetChart.selectId.forEach(id => {
|
||
if (!targetMap.has(id)) return
|
||
const index = chartEditStore.fetchTargetIndex(id)
|
||
const curComponentInstance = chartEditStore.getComponentList[index]
|
||
// 找到记录的所选组件
|
||
prevComponentInstance.forEach(preItem => {
|
||
if (preItem.id === id) {
|
||
preItem.attr = Object.assign(preItem.attr, {
|
||
offsetX: curComponentInstance.attr.x - preItem.attr.x,
|
||
offsetY: curComponentInstance.attr.y - preItem.attr.y
|
||
})
|
||
}
|
||
})
|
||
})
|
||
chartEditStore.moveComponentList(prevComponentInstance)
|
||
}
|
||
document.removeEventListener('mousemove', mousemove)
|
||
document.removeEventListener('mouseup', mouseup)
|
||
}
|
||
|
||
document.addEventListener('mousemove', mousemove)
|
||
document.addEventListener('mouseup', mouseup)
|
||
}
|
||
|
||
// * 进入事件
|
||
const mouseenterHandle = (e: MouseEvent, item: CreateComponentType | CreateComponentGroupType) => {
|
||
e.preventDefault()
|
||
e.stopPropagation()
|
||
if (!chartEditStore.getEditCanvas.isSelect) {
|
||
chartEditStore.setTargetHoverChart(item.id)
|
||
}
|
||
}
|
||
|
||
// * 移出事件
|
||
const mouseleaveHandle = (e: MouseEvent, item: CreateComponentType | CreateComponentGroupType) => {
|
||
e.preventDefault()
|
||
e.stopPropagation()
|
||
chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, false)
|
||
chartEditStore.setTargetHoverChart(undefined)
|
||
}
|
||
|
||
return { mouseClickHandle, mousedownHandle, mouseenterHandle, mouseleaveHandle }
|
||
}
|
||
|
||
// * 移动锚点
|
||
export const useMousePointHandle = (e: MouseEvent, point: string, attr: PickCreateComponentType<'attr'>) => {
|
||
e.stopPropagation()
|
||
e.preventDefault()
|
||
|
||
// 设置拖拽状态
|
||
chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, true)
|
||
const scale = chartEditStore.getEditCanvas.scale
|
||
|
||
const itemAttrX = attr.x
|
||
const itemAttrY = attr.y
|
||
const itemAttrW = attr.w
|
||
const itemAttrH = attr.h
|
||
|
||
// 记录点击初始位置
|
||
const startX = e.screenX
|
||
const startY = e.screenY
|
||
|
||
// 记录初始位置
|
||
chartEditStore.setMousePosition(startX, startY)
|
||
|
||
const mousemove = throttle((moveEvent: MouseEvent) => {
|
||
chartEditStore.setMousePosition(moveEvent.screenX, moveEvent.screenY)
|
||
|
||
let currX = Math.round((moveEvent.screenX - startX) / scale)
|
||
let currY = Math.round((moveEvent.screenY - startY) / scale)
|
||
|
||
const isTop = /t/.test(point)
|
||
const isBottom = /b/.test(point)
|
||
const isLeft = /l/.test(point)
|
||
const isRight = /r/.test(point)
|
||
|
||
const newHeight = itemAttrH + (isTop ? -currY : isBottom ? currY : 0)
|
||
const newWidth = itemAttrW + (isLeft ? -currX : isRight ? currX : 0)
|
||
|
||
attr.h = newHeight > 0 ? newHeight : 0
|
||
attr.w = newWidth > 0 ? newWidth : 0
|
||
attr.x = itemAttrX + (isLeft ? currX : 0)
|
||
attr.y = itemAttrY + (isTop ? currY : 0)
|
||
}, 50)
|
||
|
||
const mouseup = () => {
|
||
chartEditStore.setEditCanvas(EditCanvasTypeEnum.IS_DRAG, false)
|
||
chartEditStore.setMousePosition(0, 0, 0, 0)
|
||
document.removeEventListener('mousemove', mousemove)
|
||
document.removeEventListener('mouseup', mouseup)
|
||
}
|
||
|
||
document.addEventListener('mousemove', mousemove)
|
||
document.addEventListener('mouseup', mouseup)
|
||
}
|