feat:data persistence

src/editor/core/event/CanvasEvent.ts

@@ -7,12 +7,14 @@ import { KeyMap } from "../../dataset/enum/Keymap"
 import { IElement } from "../../interface/Element"
 import { ICurrentPosition } from "../../interface/Position"
 import { writeTextByElementList } from "../../utils/clipboard"
+import { zipElementList } from "../../utils/element"
 import { Cursor } from "../cursor/Cursor"
 import { Draw } from "../draw/Draw"
 import { HyperlinkParticle } from "../draw/particle/HyperlinkParticle"
 import { ImageParticle } from "../draw/particle/ImageParticle"
 import { TableTool } from "../draw/particle/table/TableTool"
 import { HistoryManager } from "../history/HistoryManager"
+import { Listener } from "../listener/Listener"
 import { Position } from "../position/Position"
 import { RangeManager } from "../range/RangeManager"
 
@@ -32,6 +34,7 @@ export class CanvasEvent {
   private imageParticle: ImageParticle
   private tableTool: TableTool
   private hyperlinkParticle: HyperlinkParticle
+  private listener: Listener
 
   constructor(draw: Draw) {
     this.isAllowDrag = false
@@ -48,6 +51,7 @@ export class CanvasEvent {
     this.imageParticle = this.draw.getImageParticle()
     this.tableTool = this.draw.getTableTool()
     this.hyperlinkParticle = this.draw.getHyperlinkParticle()
+    this.listener = this.draw.getListener()
   }
 
   public register() {
@@ -349,6 +353,12 @@ export class CanvasEvent {
       this.cut()
     } else if (evt.ctrlKey && evt.key === KeyMap.A) {
       this.selectAll()
+    } else if (evt.ctrlKey && evt.key === KeyMap.S) {
+      const saved = this.listener.saved
+      if (saved) {
+        saved(this.save())
+      }
+      evt.preventDefault()
     }
   }
 
@@ -445,4 +455,10 @@ export class CanvasEvent {
     this.isCompositing = false
   }
 
+  public save(): IElement[] {
+    const elementList = this.draw.getOriginalElementList()
+    const data = zipElementList(elementList)
+    return data
+  }
+
 }

src/editor/core/listener/Listener.ts

@@ -3,6 +3,7 @@ import {
   IPageScaleChange,
   IPageSizeChange,
   IRangeStyleChange,
+  ISaved,
   IVisiblePageNoListChange
 } from "../../interface/Listener"
 
@@ -13,6 +14,7 @@ export class Listener {
   public intersectionPageNoChange: IIntersectionPageNoChange | null
   public pageSizeChange: IPageSizeChange | null
   public pageScaleChange: IPageScaleChange | null
+  public saved: ISaved | null
 
   constructor() {
     this.rangeStyleChange = null
@@ -20,6 +22,7 @@ export class Listener {
     this.intersectionPageNoChange = null
     this.pageSizeChange = null
     this.pageScaleChange = null
+    this.saved = null
   }
 
 }

src/editor/dataset/constant/Element.ts

@@ -1,6 +1,6 @@
 import { IElement } from "../../interface/Element"
 
-export const EDITOR_ELEMENT_STYLE = [
+export const EDITOR_ELEMENT_STYLE_ATTR = [
   'bold',
   'color',
   'highlight',
@@ -25,3 +25,22 @@ export const EDITOR_ELEMENT_COPY_ATTR: Array<keyof IElement> = [
   'url',
   'hyperlinkId'
 ]
+
+export const EDITOR_ELEMENT_ZIP_ATTR: Array<keyof IElement> = [
+  'type',
+  'font',
+  'size',
+  'bold',
+  'color',
+  'italic',
+  'highlight',
+  'underline',
+  'strikeout',
+  'rowFlex',
+  'trList',
+  'width',
+  'height',
+  'url',
+  'colgroup',
+  'valueList'
+]

src/editor/dataset/enum/Keymap.ts

@@ -8,6 +8,7 @@ export enum KeyMap {
   Down = "ArrowDown",
   A = "a",
   C = "c",
+  S = "s",
   X = "x",
   Y = "y",
   Z = "z"

src/editor/interface/Listener.ts

@@ -1,3 +1,4 @@
+import { IElement } from ".."
 import { RowFlex } from "../dataset/enum/Row"
 
 export interface IRangeStype {
@@ -24,3 +25,5 @@ export type IIntersectionPageNoChange = (payload: number) => void
 export type IPageSizeChange = (payload: number) => void
 
 export type IPageScaleChange = (payload: number) => void
+
+export type ISaved = (payload: IElement[]) => void

src/editor/utils/element.ts

@@ -1,6 +1,7 @@
-import { getUUID } from "."
+import { deepClone, getUUID } from "."
 import { ElementType, IElement } from ".."
 import { ZERO } from "../dataset/constant/Common"
+import { EDITOR_ELEMENT_ZIP_ATTR } from "../dataset/constant/Element"
 
 export function formatElementList(elementList: IElement[]) {
   if (elementList[0]?.value !== ZERO) {
@@ -60,3 +61,69 @@ export function formatElementList(elementList: IElement[]) {
     i++
   }
 }
+
+export function zipElementList(payload: IElement[]): IElement[] {
+  const elementList = deepClone(payload)
+  const zipElementListData: IElement[] = []
+  let e = 0
+  while (e < elementList.length) {
+    let element = elementList[e]
+    // 筛选所需项
+    if (e === 0 && element.value === ZERO) {
+      e++
+      continue
+    }
+    // 表格处理
+    if (element.type === ElementType.TABLE) {
+      if (element.trList) {
+        for (let t = 0; t < element.trList.length; t++) {
+          const tr = element.trList[t]
+          delete tr.id
+          for (let d = 0; d < tr.tdList.length; d++) {
+            const td = tr.tdList[d]
+            tr.tdList[d] = {
+              colspan: td.colspan,
+              rowspan: td.rowspan,
+              value: zipElementList(td.value)
+            }
+          }
+        }
+      }
+    } else if (element.type === ElementType.HYPERLINK) {
+      // 超链接处理
+      const hyperlinkId = element.hyperlinkId
+      const hyperlinkElement: IElement = {
+        type: ElementType.HYPERLINK,
+        value: '',
+        url: element.url
+      }
+      const valueList: IElement[] = []
+      while (e < elementList.length) {
+        const hyperlinkE = elementList[e]
+        if (hyperlinkId !== hyperlinkE.hyperlinkId) {
+          e--
+          break
+        }
+        delete hyperlinkE.type
+        delete hyperlinkE.url
+        valueList.push(hyperlinkE)
+        e++
+      }
+      hyperlinkElement.valueList = zipElementList(valueList)
+      element = hyperlinkElement
+    }
+    // 压缩保留字段
+    const newElement: IElement = {
+      value: element.value === ZERO ? `\n` : element.value,
+    }
+    EDITOR_ELEMENT_ZIP_ATTR.forEach(attr => {
+      const value = element[attr] as never
+      if (value !== undefined) {
+        newElement[attr] = value
+      }
+    })
+    zipElementListData.push(newElement)
+    e++
+  }
+  return zipElementListData
+}

src/editor/utils/index.ts

@@ -11,7 +11,7 @@ export function debounce(func: Function, delay: number) {
   }
 }
 
-export function deepClone(obj: any) {
+export function deepClone<T>(obj: T): T {
   if (!obj || typeof obj !== 'object') {
     return obj
   }
@@ -20,6 +20,7 @@ export function deepClone(obj: any) {
     newObj = obj.map(item => deepClone(item))
   } else {
     Object.keys(obj).forEach((key) => {
+      // @ts-ignore
       return newObj[key] = deepClone(obj[key])
     })
   }

src/main.ts

@@ -194,7 +194,7 @@ window.onload = function () {
   }])
   // 初始化编辑器
   const container = document.querySelector<HTMLDivElement>('.editor')!
-  const instance = new Editor(container, data, {
+  const instance = new Editor(container, <IElement[]>data, {
     margins: [100, 120, 100, 120]
   })
   console.log('实例: ', instance)
@@ -541,4 +541,8 @@ window.onload = function () {
     document.querySelector<HTMLSpanElement>('.page-scale-percentage')!.innerText = `${Math.floor(payload * 10 * 10)}%`
   }
 
+  instance.listener.saved = function (payload) {
+    console.log('elementList: ', payload)
+  }
+
 }