redo&undo ok

packages/designer/src/designer/designer.ts

@@ -115,6 +115,7 @@ export default class Designer {
         selectionDispose();
         selectionDispose = undefined;
       }
+      this.postEvent('selection-change', this.currentSelection);
       if (this.currentSelection) {
         const currentSelection = this.currentSelection;
         selectionDispose = currentSelection.onSelectionChange(() => {
@@ -128,6 +129,7 @@ export default class Designer {
         historyDispose();
         historyDispose = undefined;
       }
+      this.postEvent('history-change', this.currentHistory);
       if (this.currentHistory) {
         const currentHistory = this.currentHistory;
         historyDispose = currentHistory.onStateChange(() => {
@@ -144,6 +146,8 @@ export default class Designer {
     });
     setupSelection();
     setupHistory();
+
+    this.postEvent('designer.ready', this);
   }
 
   postEvent(event: string, ...args: any[]) {

packages/designer/src/designer/document/selection.ts

@@ -87,7 +87,7 @@ export class Selection {
    * 移除选中
    */
   remove(id: string) {
-    let i = this._selected.indexOf(id);
+    const i = this._selected.indexOf(id);
     if (i > -1) {
       this._selected.splice(i, 1);
       this.emitter.emit('selectionchange', this._selected);
@@ -154,7 +154,7 @@ export class Selection {
   }
 
   onSelectionChange(fn: () => void): () => void {
-    this.emitter.addListener('selectionchange', fn);
+    this.emitter.on('selectionchange', fn);
     return () => {
       this.emitter.removeListener('selectionchange', fn);
     };

packages/designer/src/designer/helper/history.ts

@@ -26,21 +26,18 @@ export function setSerialization(serializion: Serialization) {
 export default class History {
   private session: Session;
   private records: Session[];
-  private point: number = 0;
+  private point = 0;
   private emitter = new EventEmitter();
   private obx: Reaction;
-  private justWokeup: boolean = false;
+  private justWokeup = false;
 
-  constructor(
-    logger: () => any,
-    private redoer: (data: NodeSchema) => void,
-    private timeGap: number = 1000,
-  ) {
+  constructor(logger: () => any, private redoer: (data: NodeSchema) => void, private timeGap: number = 1000) {
     this.session = new Session(0, null, this.timeGap);
     this.records = [this.session];
 
     this.obx = autorun(() => {
       const data = logger();
+      // TODO: remove this line
       console.info('log');
       if (this.justWokeup) {
         this.justWokeup = false;
@@ -49,6 +46,7 @@ export default class History {
       untracked(() => {
         const log = currentSerializion.serialize(data);
         if (this.session.cursor === 0 && this.session.isActive()) {
+          // first log
           this.session.log(log);
           this.session.end();
         } else if (this.session) {
@@ -56,10 +54,15 @@ export default class History {
             this.session.log(log);
           } else {
             this.session.end();
+            const lastState = this.getState();
             const cursor = this.session.cursor + 1;
             const session = new Session(cursor, log, this.timeGap);
             this.session = session;
             this.records.splice(cursor, this.records.length - cursor, session);
+            const currentState = this.getState();
+            if (currentState !== lastState) {
+              this.emitter.emit('statechange', currentState);
+            }
           }
         }
       });

packages/editor/src/config/skeleton.js

@@ -335,6 +335,12 @@ export default {
         handleResourceDragStart: function(ev, tagName, schema) {
           // 物料面板中组件snippet的dragStart回调
           // ev: 原始的domEvent；tagName: 组件的描述文案；schema: snippet的schema
+          if (editor.designer) {
+            editor.designer.dragon.boost({
+              type: 'nodedata',
+              data: schema
+            }, ev.nativeEvent);
+          }
         }
       });
     }

packages/editor/src/plugins/undoRedo/index.tsx

@@ -4,6 +4,7 @@ import { PluginProps } from '../../framework/definitions';
 import TopIcon from '../../skeleton/components/TopIcon/index';
 
 export interface IProps {
+  editor: any;
   logo?: string;
 }
 
@@ -26,7 +27,7 @@ export default class UndoRedo extends PureComponent<IProps & PluginProps, IState
     if (props.editor.designer) {
       this.init();
     } else {
-      props.editor.on('designer.ready', (): void => {
+      props.editor.on('designer.ready', () => {
         this.init();
       });
     }
@@ -34,17 +35,17 @@ export default class UndoRedo extends PureComponent<IProps & PluginProps, IState
 
   init = (): void => {
     const { editor } = this.props;
-    this.history = editor.designer.currentHistory;
-    this.updateState(this.history.getState());
+
+    this.history = editor.designer?.currentHistory;
+    this.updateState(this.history?.getState() || 0);
+
     editor.on('designer.history-change', (history): void => {
       this.history = history;
-      this.history.onStateChange(this.updateState);
+      this.updateState(this.history?.getState() || 0);
     });
-    this.history.onStateChange(this.updateState);
   };
 
   updateState = (state: number): void => {
-    console.log('++++', !!(state & 1), !!(state & 2));
     this.setState({
       undoEnable: !!(state & 1),
       redoEnable: !!(state & 2)
@@ -52,15 +53,11 @@ export default class UndoRedo extends PureComponent<IProps & PluginProps, IState
   };
 
   handleUndoClick = (): void => {
-    if (this.history) {
-      this.history.back();
-    }
+    this.history?.back();
   };
 
   handleRedoClick = (): void => {
-    if (this.history) {
-      this.history.forward();
-    }
+    this.history?.forward();
   };
 
   render(): React.ReactNode {