feat: add print mode #236

docs/en/guide/command-get.md

@@ -34,7 +34,7 @@ Feature: Gets the base64 string of the current page image
 Usage:
 
 ```javascript
-const base64StringList = await instance.command.getImage(pixelRatio?: number)
+const base64StringList = await instance.command.getImage(option?: IGetImageOption)
 ```
 
 ## getWordCount

docs/en/guide/option.md

@@ -14,7 +14,7 @@ new Editor(container, IEditorData | IElement[], {
 
 ```typescript
 interface IEditorOption {
-  mode?: EditorMode // Editor mode: Edit, Clean (Visual aids are not displayed, For example: page break), ReadOnly, Form (Only editable within the control). default: Edit
+  mode?: EditorMode // Editor mode: Edit, Clean (Visual aids are not displayed, For example: page break), ReadOnly, Form (Only editable within the control), Print (Visual aids are not displayed, Unwritten content control). default: Edit
   defaultType?: string // Default element type. default: TEXT
   defaultFont?: string // Default font. default: Yahei
   defaultSize?: number // Default font size. default: 16

docs/guide/command-get.md

@@ -34,7 +34,7 @@ const {
 用法：
 
 ```javascript
-const base64StringList = await instance.command.getImage(pixelRatio?: number)
+const base64StringList = await instance.command.getImage(option?: IGetImageOption)
 ```
 
 ## getWordCount

docs/guide/option.md

@@ -14,7 +14,7 @@ new Editor(container, IEditorData | IElement[], {
 
 ```typescript
 interface IEditorOption {
-  mode?: EditorMode // 编辑器模式：编辑、清洁（不显示视觉辅助元素。如：分页符）、只读、表单（仅控件内可编辑）。默认：编辑
+  mode?: EditorMode // 编辑器模式：编辑、清洁（不显示视觉辅助元素。如：分页符）、只读、表单（仅控件内可编辑）、打印（不显示辅助元素、未书写控件及前后括号）。默认：编辑
   defaultType?: string // 默认元素类型。默认：TEXT
   defaultFont?: string // 默认字体。默认：Yahei
   defaultSize?: number // 默认字号。默认：16

src/editor/core/command/CommandAdapt.ts

@@ -21,6 +21,7 @@ import { DeepRequired } from '../../interface/Common'
 import {
   IAppendElementListOption,
   IDrawImagePayload,
+  IGetImageOption,
   IGetValueOption,
   IPainterOption
 } from '../../interface/Draw'
@@ -86,13 +87,7 @@ export class CommandAdapt {
   }
 
   public mode(payload: EditorMode) {
-    const mode = this.draw.getMode()
-    if (mode === payload) return
     this.draw.setMode(payload)
-    this.draw.render({
-      isSetCursor: false,
-      isSubmitHistory: false
-    })
   }
 
   public cut() {
@@ -1648,7 +1643,10 @@ export class CommandAdapt {
     }
     const width = this.draw.getOriginalWidth()
     const height = this.draw.getOriginalHeight()
-    const base64List = await this.draw.getDataURL(printPixelRatio)
+    const base64List = await this.draw.getDataURL({
+      pixelRatio: printPixelRatio,
+      mode: EditorMode.PRINT
+    })
     printImageBase64(base64List, width, height)
     if (scale !== 1) {
       this.draw.setPageScale(scale)
@@ -1685,8 +1683,8 @@ export class CommandAdapt {
     })
   }
 
-  public getImage(pixelRatio?: number): Promise<string[]> {
-    return this.draw.getDataURL(pixelRatio)
+  public getImage(payload?: IGetImageOption): Promise<string[]> {
+    return this.draw.getDataURL(payload)
   }
 
   public getValue(options?: IGetValueOption): IEditorResult {

src/editor/core/draw/Draw.ts

@@ -6,6 +6,7 @@ import {
   IDrawOption,
   IDrawPagePayload,
   IDrawRowPayload,
+  IGetImageOption,
   IGetValueOption,
   IPainterOption
 } from '../../interface/Draw'
@@ -142,6 +143,7 @@ export class Draw {
   private visiblePageNoList: number[]
   private intersectionPageNo: number
   private lazyRenderIntersectionObserver: IntersectionObserver | null
+  private printModeData: Required<IEditorData> | null
 
   constructor(
     rootContainer: HTMLElement,
@@ -217,6 +219,7 @@ export class Draw {
     this.visiblePageNoList = []
     this.intersectionPageNo = 0
     this.lazyRenderIntersectionObserver = null
+    this.printModeData = null
 
     this.render({
       isInit: true,
@@ -229,12 +232,34 @@ export class Draw {
   }
 
   public setMode(payload: EditorMode) {
+    if (this.mode === payload) return
+    // 设置打印模式
+    if (payload === EditorMode.PRINT) {
+      this.printModeData = {
+        header: this.header.getElementList(),
+        main: this.elementList,
+        footer: this.footer.getElementList()
+      }
+      this.setEditorData(
+        this.control.filterAssistElement(deepClone(this.printModeData))
+      )
+    }
+    // 取消打印模式
+    if (this.mode === EditorMode.PRINT && this.printModeData) {
+      this.setEditorData(this.printModeData)
+      this.printModeData = null
+    }
     this.mode = payload
+    this.render({
+      isSetCursor: false,
+      isSubmitHistory: false
+    })
   }
 
   public isReadonly() {
     switch (this.mode) {
       case EditorMode.READONLY:
+      case EditorMode.PRINT:
         return true
       case EditorMode.FORM:
         return !this.control.isRangeWithinControl()
@@ -650,10 +675,18 @@ export class Draw {
     return this.rowList.length
   }
 
-  public async getDataURL(pixelRatio?: number): Promise<string[]> {
+  public async getDataURL(payload: IGetImageOption = {}): Promise<string[]> {
+    const { pixelRatio, mode } = payload
+    // 放大像素比
     if (pixelRatio) {
       this.setPagePixelRatio(pixelRatio)
     }
+    // 不同模式
+    const currentMode = this.mode
+    const isSwitchMode = !!mode && currentMode !== mode
+    if (isSwitchMode) {
+      this.setMode(mode)
+    }
     this.render({
       isLazy: false,
       isCompute: false,
@@ -662,9 +695,13 @@ export class Draw {
     })
     await this.imageObserver.allSettled()
     const dataUrlList = this.pageList.map(c => c.toDataURL())
+    // 还原
     if (pixelRatio) {
       this.setPagePixelRatio(null)
     }
+    if (isSwitchMode) {
+      this.setMode(currentMode)
+    }
     return dataUrlList
   }
 
@@ -869,29 +906,36 @@ export class Draw {
   public setValue(payload: Partial<IEditorData>) {
     const { header, main, footer } = payload
     if (!header && !main && !footer) return
-    if (header) {
-      formatElementList(header, {
+    const pageComponentData = [header, main, footer]
+    pageComponentData.forEach(data => {
+      if (!data) return
+      formatElementList(data, {
         editorOptions: this.options
       })
+    })
+    this.setEditorData({
+      header,
+      main,
+      footer
+    })
+    // 渲染&计算&清空历史记录
+    this.historyManager.recovery()
+    this.render({
+      isSetCursor: false
+    })
+  }
+
+  public setEditorData(payload: Partial<IEditorData>) {
+    const { header, main, footer } = payload
+    if (header) {
       this.header.setElementList(header)
     }
     if (main) {
-      formatElementList(main, {
-        editorOptions: this.options
-      })
       this.elementList = main
     }
     if (footer) {
-      formatElementList(footer, {
-        editorOptions: this.options
-      })
       this.footer.setElementList(footer)
     }
-    // 渲染&计算&清空历史记录
-    this.historyManager.recovery()
-    this.render({
-      isSetCursor: false
-    })
   }
 
   private _wrapContainer(rootContainer: HTMLElement): HTMLDivElement {
@@ -1398,6 +1442,7 @@ export class Draw {
   public drawRow(ctx: CanvasRenderingContext2D, payload: IDrawRowPayload) {
     const { rowList, pageNo, elementList, positionList, startIndex, zone } =
       payload
+    const isPrintMode = this.mode === EditorMode.PRINT
     const { scale, tdPadding } = this.options
     const { isCrossRowCol, tableId } = this.range.getRange()
     let index = startIndex
@@ -1472,7 +1517,7 @@ export class Draw {
         } else if (element.type === ElementType.SEPARATOR) {
           this.separatorParticle.render(ctx, element, x, y)
         } else if (element.type === ElementType.PAGE_BREAK) {
-          if (this.mode !== EditorMode.CLEAN) {
+          if (this.mode !== EditorMode.CLEAN && !isPrintMode) {
             this.pageBreakParticle.render(ctx, element, x, y)
           }
         } else if (
@@ -1592,6 +1637,7 @@ export class Draw {
       // 绘制富文本及文字
       this._drawRichText(ctx)
       // 绘制选区
+      if (!isPrintMode) {
         if (rangeRecord.width && rangeRecord.height) {
           const { x, y, width, height } = rangeRecord
           this.range.render(ctx, x, y, width, height)
@@ -1610,6 +1656,7 @@ export class Draw {
         }
       }
     }
+  }
 
   private _clearPage(pageNo: number) {
     const ctx = this.ctxList[pageNo]

src/editor/core/draw/control/Control.ts

@@ -6,6 +6,7 @@ import {
   IControlInstance,
   IControlOption
 } from '../../../interface/Control'
+import { IEditorData } from '../../../interface/Editor'
 import { IElement, IElementPosition } from '../../../interface/Element'
 import { EventBusMap } from '../../../interface/EventBus'
 import { IRange } from '../../../interface/Range'
@@ -49,6 +50,24 @@ export class Control {
     return this.draw
   }
 
+  // 过滤控件辅助元素（前后缀、背景提示）
+  public filterAssistElement(
+    payload: Required<IEditorData>
+  ): Required<IEditorData> {
+    const editorDataKeys: (keyof IEditorData)[] = ['header', 'main', 'footer']
+    editorDataKeys.forEach(key => {
+      payload[key] = payload[key].filter(element => {
+        if (element.type !== ElementType.CONTROL) return true
+        return (
+          element.controlComponent !== ControlComponent.PREFIX &&
+          element.controlComponent !== ControlComponent.POSTFIX &&
+          element.controlComponent !== ControlComponent.PLACEHOLDER
+        )
+      })
+    })
+    return payload
+  }
+
   // 判断选区部分在控件边界外
   public isPartRangeInControlOutside(): boolean {
     const { startIndex, endIndex } = this.getRange()

src/editor/dataset/enum/Editor.ts

@@ -14,10 +14,11 @@ export enum EditorContext {
 }
 
 export enum EditorMode {
-  EDIT = 'edit',
-  CLEAN = 'clean',
-  READONLY = 'readonly',
-  FORM = 'form'
+  EDIT = 'edit', // 编辑模式（文档可编辑、辅助元素均存在）
+  CLEAN = 'clean', // 清洁模式（隐藏辅助元素）
+  READONLY = 'readonly', // 只读模式（文档不可编辑）
+  FORM = 'form', // 表单模式（仅控件内可编辑）
+  PRINT = 'print' // 打印模式（文档不可编辑、隐藏辅助元素、选区、未书写控件及边框）
 }
 
 export enum EditorZone {

src/editor/interface/Draw.ts

@@ -1,4 +1,4 @@
-import { EditorZone } from '../dataset/enum/Editor'
+import { EditorMode, EditorZone } from '../dataset/enum/Editor'
 import { IElement, IElementPosition } from './Element'
 import { IRow } from './Row'
 
@@ -45,3 +45,8 @@ export interface IGetValueOption {
 export interface IAppendElementListOption {
   isPrepend?: boolean
 }
+
+export interface IGetImageOption {
+  pixelRatio?: number
+  mode?: EditorMode
+}

src/main.ts

@@ -1208,6 +1208,10 @@ window.onload = function () {
     {
       mode: EditorMode.FORM,
       name: '表单模式'
+    },
+    {
+      mode: EditorMode.PRINT,
+      name: '打印模式'
     }
   ]
   const modeElement = document.querySelector<HTMLDivElement>('.editor-mode')!