feat: add zone change listener

src/editor/core/listener/Listener.ts

@@ -7,7 +7,8 @@ import {
   IPageSizeChange,
   IRangeStyleChange,
   ISaved,
-  IVisiblePageNoListChange
+  IVisiblePageNoListChange,
+  IZoneChange
 } from '../../interface/Listener'
 
 export class Listener {
@@ -21,6 +22,7 @@ export class Listener {
   public contentChange: IContentChange | null
   public controlChange: IControlChange | null
   public pageModeChange: IPageModeChange | null
+  public zoneChange: IZoneChange | null
 
   constructor() {
     this.rangeStyleChange = null
@@ -32,6 +34,7 @@ export class Listener {
     this.contentChange = null
     this.controlChange = null
     this.pageModeChange = null
+    this.zoneChange = null
   }
 
 }

src/editor/core/zone/Zone.ts

@@ -1,6 +1,7 @@
 import { EDITOR_PREFIX } from '../../dataset/constant/Editor'
 import { EditorZone } from '../../dataset/enum/Editor'
 import { IEditorOption } from '../../interface/Editor'
+import { nextTick } from '../../utils'
 import { Draw } from '../draw/Draw'
 import { I18n } from '../i18n/I18n'
 
@@ -53,6 +54,13 @@ export class Zone {
     })
     // 指示器
     this.drawZoneIndicator()
+    // 回调
+    nextTick(() => {
+      const listener = this.draw.getListener()
+      if (listener.zoneChange) {
+        listener.zoneChange(payload)
+      }
+    })
   }
 
   public drawZoneIndicator() {

src/editor/interface/Listener.ts

@@ -1,4 +1,4 @@
-import { ElementType, PageMode } from '..'
+import { EditorZone, ElementType, PageMode } from '..'
 import { RowFlex } from '../dataset/enum/Row'
 import { IControl } from './Control'
 import { IEditorResult } from './Editor'
@@ -38,3 +38,5 @@ export type IContentChange = () => void
 export type IControlChange = (payload: IControl | null) => void
 
 export type IPageModeChange = (payload: PageMode) => void
+
+export type IZoneChange = (payload: EditorZone) => void