drag ok

packages/designer/auxilary-bak/README.md

@@ -1,22 +0,0 @@
-辅助类
-  对齐线
-  插入指示 insertion 竖线 横线 插入块 禁止插入块
-  幽灵替身 ghost
-  聚焦编辑指示
-
-
-插入指示 insertion 竖线 横线 插入块 禁止插入块
-
-竖线：红色，绿色
-横线：红色，绿色
-插入块：透明绿色，透明红色
-
-投放指示线
-
-cover
-
-轮廓服务
-  悬停指示线 xray mode?
-  选中指示线
-  投放指示线
-  透视线 x-ray 

packages/designer/auxilary-bak/embed-editor-toolbar.tsx

@@ -1,12 +0,0 @@
-import { Component } from 'react';
-import embedEditor from '../../globals/embed-editor';
-
-export default class EmbedEditorToolbar extends Component {
-  shouldComponentUpdate() {
-    return false;
-  }
-
-  render() {
-    return <div className="embed-editor-toolbar" ref={shell => embedEditor.mount(shell)} />;
-  }
-}

packages/designer/src/builtins/simulator/host/auxilary/auxiliary.tsx

@@ -3,9 +3,10 @@ import { Component } from 'react';
 import { OutlineHovering } from './outline-hovering';
 import { SimulatorContext } from '../context';
 import { SimulatorHost } from '../host';
+import { OutlineSelecting } from './outline-selecting';
+import { InsertionView } from './insertion';
 import './auxiliary.less';
 import './outlines.less';
-import { OutlineSelecting } from './outline-selecting';
 
 @observer
 export class AuxiliaryView extends Component {
@@ -22,6 +23,7 @@ export class AuxiliaryView extends Component {
       <div className="lc-auxiliary" style={{ transform: `translate(${-scrollX * scale}px,${-scrollY * scale}px)` }}>
         <OutlineHovering key="hovering" />
         <OutlineSelecting key="selecting" />
+        <InsertionView key="insertion" />
       </div>
     );
   }

packages/designer/src/builtins/simulator/host/auxilary/insertion.less

@@ -1,4 +1,4 @@
-.my-insertion {
+.lc-insertion {
   position: absolute;
   top: -1.5px;
   left: 0;

packages/designer/src/builtins/simulator/host/auxilary/insertion.tsx

@@ -1,34 +1,35 @@
 import { Component } from 'react';
-import { observer } from '@ali/recore';
+import { computed } from '@recore/obx';
-import { getCurrentDocument } from '../../globals';
+import { observer } from '@recore/core-obx';
+import { SimulatorContext } from '../context';
+import { SimulatorHost } from '../host';
+import Location, { Rect, isLocationChildrenDetail, LocationChildrenDetail, isVertical } from '../../../../designer/helper/location';
+import { ISimulator } from '../../../../designer/simulator';
+import { NodeParent } from '../../../../designer/document/node/node';
 import './insertion.less';
-import Location, { isLocationChildrenDetail, isVertical, LocationChildrenDetail, Rect } from '../../document/location';
-import { isConditionFlow } from '../../document/node/condition-flow';
-import { getChildAt, INodeParent } from '../../document/node';
-import DocumentContext from '../../document/document-context';
-
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-function processPropDetail() {
-  // return { insertType: 'cover', coverEdge: ? };
-}
 
 interface InsertionData {
-  edge?: Rect;
+  edge?: DOMRect;
   insertType?: string;
   vertical?: boolean;
   nearRect?: Rect;
-  coverRect?: Rect;
+  coverRect?: DOMRect;
 }
 
 /**
  * 处理拖拽子节点(INode)情况
  */
 function processChildrenDetail(
-  doc: DocumentContext,
+  sim: ISimulator,
-  target: INodeParent,
+  target: NodeParent,
   detail: LocationChildrenDetail,
 ): InsertionData {
-  const edge = doc.computeRect(target);
+  let edge = detail.edge || null;
+
+  if (edge) {
+    edge = sim.computeRect(target);
+  }
+
   if (!edge) {
     return {};
   }
@@ -38,15 +39,9 @@ function processChildrenDetail(
     insertType: 'before',
   };
 
-  if (isConditionFlow(target)) {
-    ret.insertType = 'cover';
-    ret.coverRect = edge;
-    return ret;
-  }
-
   if (detail.near) {
     const { node, pos, rect, align } = detail.near;
-    ret.nearRect = rect || doc.computeRect(node);
+    ret.nearRect = rect || sim.computeRect(node);
     ret.vertical = align ? align === 'V' : isVertical(ret.nearRect);
     ret.insertType = pos;
     return ret;
@@ -55,10 +50,10 @@ function processChildrenDetail(
   // from outline-tree: has index, but no near
   // TODO: think of shadowNode & ConditionFlow
   const { index } = detail;
-  let nearNode = getChildAt(target, index);
+  let nearNode = target.children.get(index);
   if (!nearNode) {
     // index = 0, eg. nochild,
-    nearNode = getChildAt(target, index > 0 ? index - 1 : 0);
+    nearNode = target.children.get(index > 0 ? index - 1 : 0);
     if (!nearNode) {
       ret.insertType = 'cover';
       ret.coverRect = edge;
@@ -67,7 +62,7 @@ function processChildrenDetail(
     ret.insertType = 'after';
   }
   if (nearNode) {
-    ret.nearRect = doc.computeRect(nearNode);
+    ret.nearRect = sim.computeRect(nearNode);
     ret.vertical = isVertical(ret.nearRect);
   }
   return ret;
@@ -77,44 +72,56 @@ function processChildrenDetail(
  * 将 detail 信息转换为页面"坐标"信息
  */
 function processDetail({ target, detail, document }: Location): InsertionData {
+  const sim = document.simulator;
+  if (!sim) {
+    return {};
+  }
   if (isLocationChildrenDetail(detail)) {
-    return processChildrenDetail(document, target, detail);
+    return processChildrenDetail(sim, target, detail);
   } else {
     // TODO: others...
-    const edge = document.computeRect(target);
+    const instances = sim.getComponentInstances(target);
+    if (!instances) {
+      return {};
+    }
+    const edge = sim.computeComponentInstanceRect(instances[0]);
     return edge ? { edge, insertType: 'cover', coverRect: edge } : {};
   }
 }
 
 @observer
 export class InsertionView extends Component {
+  static contextType = SimulatorContext;
+
+  @computed get host(): SimulatorHost {
+    return this.context;
+  }
+
   shouldComponentUpdate() {
     return false;
   }
 
   render() {
-    const doc = getCurrentDocument();
+    const loc = this.host.document.dropLocation;
-    if (!doc || !doc.dropLocation) {
+    if (!loc) {
       return null;
     }
 
-    const { scale, scrollTarget } = doc.viewport;
+    const { scale, scrollX, scrollY } = this.host.viewport;
-    const sx = scrollTarget!.left;
+    const { edge, insertType, coverRect, nearRect, vertical } = processDetail(loc);
-    const sy = scrollTarget!.top;
 
-    const { edge, insertType, coverRect, nearRect, vertical } = processDetail(doc.dropLocation);
     if (!edge) {
       return null;
     }
 
-    let className = 'my-insertion';
+    let className = 'lc-insertion';
     const style: any = {};
     let x: number;
     let y: number;
     if (insertType === 'cover') {
       className += ' cover';
-      x = (coverRect!.left + sx) * scale;
+      x = (coverRect!.left + scrollX) * scale;
-      y = (coverRect!.top + sy) * scale;
+      y = (coverRect!.top + scrollY) * scale;
       style.width = coverRect!.width * scale;
       style.height = coverRect!.height * scale;
     } else {
@@ -123,12 +130,12 @@ export class InsertionView extends Component {
       }
       if (vertical) {
         className += ' vertical';
-        x = ((insertType === 'before' ? nearRect.left : nearRect.right) + sx) * scale;
+        x = ((insertType === 'before' ? nearRect.left : nearRect.right) + scrollX) * scale;
-        y = (nearRect.top + sy) * scale;
+        y = (nearRect.top + scrollY) * scale;
         style.height = nearRect!.height * scale;
       } else {
-        x = (nearRect.left + sx) * scale;
+        x = (nearRect.left + scrollX) * scale;
-        y = ((insertType === 'before' ? nearRect.top : nearRect.bottom) + sy) * scale;
+        y = ((insertType === 'before' ? nearRect.top : nearRect.bottom) + scrollY) * scale;
         style.width = nearRect.width * scale;
       }
     }

packages/designer/src/builtins/simulator/host/auxilary/outline-hovering.tsx

@@ -75,7 +75,7 @@ export class OutlineHovering extends Component {
     if (!current) {
       return <Fragment />;
     }
-    const instances = host.getComponentInstance(current);
+    const instances = host.getComponentInstances(current);
     if (!instances || instances.length < 1) {
       return <Fragment />;
     }
@@ -83,7 +83,7 @@ export class OutlineHovering extends Component {
     if (instances.length === 1) {
       return (
         <OutlineHoveringInstance
-          key="line-s"
+          key="line-h"
           title={current.title}
           scale={this.scale}
           scrollX={this.scrollX}
@@ -96,7 +96,7 @@ export class OutlineHovering extends Component {
       <Fragment>
         {instances.map((inst, i) => (
           <OutlineHoveringInstance
-            key={`line-${i}`}
+            key={`line-h-${i}`}
             title={current.title}
             scale={this.scale}
             scrollX={this.scrollX}

packages/designer/src/builtins/simulator/host/auxilary/outline-selecting.tsx

@@ -70,7 +70,7 @@ export class OutlineSelecting extends Component {
     return (
       <Fragment>
         {selecting.map(node => {
-          const instances = this.host.getComponentInstance(node);
+          const instances = this.host.getComponentInstances(node);
           if (!instances || instances.length < 1) {
             return null;
           }

packages/designer/src/builtins/simulator/host/host.ts

@@ -1,19 +1,38 @@
 import { obx, autorun, computed } from '@recore/obx';
-import { ISimulator, ComponentInstance, Component, NodeInstance } from '../../../designer/simulator';
+import { ISimulator, Component, NodeInstance } from '../../../designer/simulator';
 import Viewport from './viewport';
 import { createSimulator } from './create-simulator';
 import { SimulatorRenderer } from '../renderer/renderer';
-import Node, { NodeParent } from '../../../designer/document/node/node';
+import Node, { NodeParent, isNodeParent, isNode, contains } from '../../../designer/document/node/node';
 import DocumentModel from '../../../designer/document/document-model';
 import ResourceConsumer from './resource-consumer';
 import { AssetLevel, Asset, assetBundle, assetItem, AssetType } from '../utils/asset';
-import { DragObjectType, isShaken, LocateEvent, DragNodeObject, DragNodeDataObject } from '../../../designer/helper/dragon';
+import {
-import { LocationData } from '../../../designer/helper/location';
+  DragObjectType,
-import { NodeData } from '../../../designer/schema';
+  isShaken,
+  LocateEvent,
+  DragNodeObject,
+  DragNodeDataObject,
+  isDragAnyObject,
+  isDragNodeObject,
+} from '../../../designer/helper/dragon';
+import {
+  LocationData,
+  isLocationData,
+  LocationChildrenDetail,
+  LocationDetailType,
+  isChildInline,
+  isRowContainer,
+  getRectTarget,
+  Rect,
+  CanvasPoint,
+} from '../../../designer/helper/location';
+import { isNodeSchema, NodeSchema } from '../../../designer/schema';
 import { ComponentDescriptionSpec } from '../../../designer/component-config';
 import { ReactInstance } from 'react';
 import { setNativeSelection } from '../../../designer/helper/navtive-selection';
 import cursor from '../../../designer/helper/cursor';
+import { isRootNode } from '../../../designer/document/node/root-node';
 
 export interface SimulatorProps {
   // 从 documentModel 上获取
@@ -53,15 +72,11 @@ const defaultDepends = [
 
 export class SimulatorHost implements ISimulator<SimulatorProps> {
   readonly isSimulator = true;
+
   constructor(readonly document: DocumentModel) {}
 
   readonly designer = this.document.designer;
 
-  private _sensorAvailable: boolean = true;
-  get sensorAvailable(): boolean {
-    return this._sensorAvailable;
-  }
-
   @computed get device(): string | undefined {
     // 根据 device 不同来做画布外框样式变化  渲染时可选择不同组件
     // renderer 依赖
@@ -92,6 +107,9 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
   }
 
   @obx.ref _props: SimulatorProps = {};
+  /**
+   * @see ISimulator
+   */
   setProps(props: SimulatorProps) {
     this._props = props;
   }
@@ -196,7 +214,7 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
     // TODO: think of lock when edit a node
     // 事件路由
     doc.addEventListener('mousedown', (downEvent: MouseEvent) => {
-      const nodeInst = documentModel.getNodeInstanceFromElement(downEvent.target as Element);
+      const nodeInst = this.getNodeInstanceFromElement(downEvent.target as Element);
       if (!nodeInst?.node) {
         selection.clear();
         return;
@@ -256,7 +274,6 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
     // cause edit
     doc.addEventListener('dblclick', (e: MouseEvent) => {
       // TODO:
-
     });
   }
 
@@ -271,8 +288,9 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
       if (!hovering.enable) {
         return;
       }
-      const nodeInst = this.document.getNodeInstanceFromElement(e.target as Element);
+      const nodeInst = this.getNodeInstanceFromElement(e.target as Element);
       // TODO: enhance only hover one instance
+      console.info(nodeInst);
       hovering.hover(nodeInst?.node || null);
       e.stopPropagation();
     };
@@ -298,6 +316,9 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
     };
   }
 
+  /**
+   * @see ISimulator
+   */
   setSuspense(suspended: boolean) {
     if (suspended) {
       if (this.disableHovering) {
@@ -312,35 +333,61 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
     }
   }
 
-  setDesignMode(mode: string): void {
+  /**
-    throw new Error('Method not implemented.');
+   * @see ISimulator
-  }
+   */
-
   describeComponent(component: Component): ComponentDescriptionSpec {
     throw new Error('Method not implemented.');
   }
 
-  getComponent(componentName: string): Component {
+  /**
-    throw new Error('Method not implemented.');
+   * @see ISimulator
+   */
+  getComponent(componentName: string): Component | null {
+    return null;
   }
 
-  getComponentInstance(node: Node): ReactInstance[] | null {
+  /**
-    return this._renderer?.getComponentInstance(node.id) || null;
+   * @see ISimulator
+   */
+  getComponentInstances(node: Node): ReactInstance[] | null {
+    return this._renderer?.getComponentInstances(node.id) || null;
   }
 
-  getComponentInstanceId(instance: ReactInstance) {
+  /**
-
+   * @see ISimulator
-  }
+   */
+  getComponentInstanceId(instance: ReactInstance) {}
 
+  /**
+   * @see ISimulator
+   */
   getComponentContext(node: Node): object {
     throw new Error('Method not implemented.');
   }
 
-  getClosestNodeInstance(elem: Element): NodeInstance | null {
+  /**
-    return this.renderer?.getClosestNodeInstance(elem) || null;
+   * @see ISimulator
+   */
+  getClosestNodeInstance(from: ReactInstance, specId?: string): NodeInstance<ReactInstance> | null {
+    return this.renderer?.getClosestNodeInstance(from, specId) || null;
   }
 
-  computeComponentInstanceRect(instance: ReactInstance): DOMRect | null {
+  /**
+   * @see ISimulator
+   */
+  computeRect(node: Node): Rect | null {
+    const instances = this.getComponentInstances(node);
+    if (!instances) {
+      return null;
+    }
+    return this.computeComponentInstanceRect(instances[0]);
+  }
+
+  /**
+   * @see ISimulator
+   */
+  computeComponentInstanceRect(instance: ReactInstance): Rect | null {
     const renderer = this.renderer!;
     const elements = renderer.findDOMNodes(instance);
     if (!elements) {
@@ -348,10 +395,12 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
     }
 
     let rects: DOMRect[] | undefined;
-    let last: { x: number; y: number; r: number; b: number; } | undefined;
+    let last: { x: number; y: number; r: number; b: number } | undefined;
+    let computed = false;
+    const elems = elements.slice();
     while (true) {
       if (!rects || rects.length < 1) {
-        const elem = elements.pop();
+        const elem = elems.pop();
         if (!elem) {
           break;
         }
@@ -372,30 +421,62 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
       }
       if (rect.left < last.x) {
         last.x = rect.left;
+        computed = true;
       }
       if (rect.top < last.y) {
         last.y = rect.top;
+        computed = true;
       }
       if (rect.right > last.r) {
         last.r = rect.right;
+        computed = true;
       }
       if (rect.bottom > last.b) {
         last.b = rect.bottom;
+        computed = true;
       }
     }
 
     if (last) {
-      return new DOMRect(last.x, last.y, last.r - last.x, last.b - last.y);
+      const r: any = new DOMRect(last.x, last.y, last.r - last.x, last.b - last.y);
+      r.elements = elements;
+      r.computed = computed;
+      return r;
     }
 
     return null;
   }
 
+  /**
+   * @see ISimulator
+   */
   findDOMNodes(instance: ReactInstance): Array<Element | Text> | null {
     return this._renderer?.findDOMNodes(instance) || null;
   }
 
+  /**
+   * 通过 DOM 节点获取节点，依赖 simulator 的接口
+   */
+  getNodeInstanceFromElement(target: Element | null): NodeInstance | null {
+    if (!target) {
+      return null;
+    }
+
+    const nodeIntance = this.getClosestNodeInstance(target);
+    if (!nodeIntance) {
+      return null;
+    }
+    const node = this.document.getNode(nodeIntance.nodeId);
+    return {
+      ...nodeIntance,
+      node,
+    };
+  }
+
   private tryScrollAgain: number | null = null;
+  /**
+   * @see ISimulator
+   */
   scrollToNode(node: Node, detail?: any, tryTimes = 0) {
     this.tryScrollAgain = null;
     if (this.sensing) {
@@ -451,80 +532,251 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
   }
 
   // #region ========= drag and drop helpers =============
+  /**
+   * @see ISimulator
+   */
   setNativeSelection(enableFlag: boolean) {
-    setNativeSelection(enableFlag);
+    this.renderer?.setNativeSelection(enableFlag);
   }
+  /**
+   * @see ISimulator
+   */
   setDraggingState(state: boolean) {
-    cursor.setDragging(state);
+    this.renderer?.setDraggingState(state);
   }
+  /**
+   * @see ISimulator
+   */
   setCopyState(state: boolean) {
-    cursor.setCopy(state);
+    this.renderer?.setCopyState(state);
   }
+  /**
+   * @see ISimulator
+   */
   clearState() {
-    cursor.release();
+    this.renderer?.clearState();
   }
 
+  private _sensorAvailable: boolean = true;
+  /**
+   * @see ISensor
+   */
+  get sensorAvailable(): boolean {
+    return this._sensorAvailable;
+  }
+
+  /**
+   * @see ISensor
+   */
   fixEvent(e: LocateEvent): LocateEvent {
-    /*
     if (e.fixed) {
       return e;
     }
-    if (!e.target || e.originalEvent.view!.document !== this.contentDocument) {
+
-      e.target = this.contentDocument!.elementFromPoint(e.canvasX, e.canvasY);
+    const notMyEvent = e.originalEvent.view?.document !== this.contentDocument;
-    }*/
+    // fix canvasX canvasY : 当前激活文档画布坐标系
+    if (notMyEvent || !('canvasX' in e) || !('canvasY' in e)) {
+      const l = this.viewport.toLocalPoint({
+        clientX: e.globalX,
+        clientY: e.globalY,
+      });
+      e.canvasX = l.clientX;
+      e.canvasY = l.clientY;
+    }
+
+    // fix target : 浏览器事件响应目标
+    if (!e.target || notMyEvent) {
+      e.target = this.contentDocument!.elementFromPoint(e.canvasX!, e.canvasY!);
+    }
+
+    // documentModel : 目标文档
+    e.documentModel = this.document;
+
+    // 事件已订正
+    e.fixed = true;
     return e;
   }
 
+  /**
+   * @see ISensor
+   */
   isEnter(e: LocateEvent): boolean {
-    return false; /*
+    const rect = this.viewport.bounds;
-    const rect = this.bounds;
     return e.globalY >= rect.top && e.globalY <= rect.bottom && e.globalX >= rect.left && e.globalX <= rect.right;
-    */
   }
 
   private sensing: boolean = false;
+  /**
+   * @see ISensor
+   */
   deactiveSensor() {
     this.sensing = false;
     this.scroller.cancel();
   }
 
-  // ========= drag location logic start ==========
+  // ========= drag location logic: hepler for locate ==========
+
+  /**
+   * @see ISensor
+   */
+  locate(e: LocateEvent): any {
+    this.sensing = true;
+    this.scroller.scrolling(e);
+    const dropTarget = this.getDropTarget(e);
+    console.info('aa', dropTarget);
+    if (!dropTarget) {
+      return null;
+    }
+
+    if (isLocationData(dropTarget)) {
+      return this.designer.createLocation(dropTarget);
+    }
+
+    const target = dropTarget;
+    const targetInstance = e.targetInstance as ReactInstance;
+
+    const parentInstance = this.getClosestNodeInstance(targetInstance, target.id);
+    const edge = this.computeComponentInstanceRect(parentInstance?.instance as any);
+
+    if (!edge) {
+      return null;
+    }
+
+    const children = target.children;
+
+    const detail: LocationChildrenDetail = {
+      type: LocationDetailType.Children,
+      index: 0,
+      edge,
+    };
+
+    const locationData = {
+      target,
+      detail,
+    };
+
+    if (!children || children.size < 1 || !edge) {
+      return this.designer.createLocation(locationData);
+    }
+
+    let nearRect = null;
+    let nearIndex = 0;
+    let nearNode = null;
+    let nearDistance = null;
+    let minTop = null;
+    let maxBottom = null;
+
+    for (let i = 0, l = children.size; i < l; i++) {
+      let node = children.get(i)!;
+      let index = i;
+      const instances = this.getComponentInstances(node);
+      const inst = instances
+        ? instances.length > 1
+          ? instances.find(inst => {
+              return this.getClosestNodeInstance(inst, target.id)?.instance === targetInstance;
+            })
+          : instances[0]
+        : null;
+      const rect = inst ? this.computeComponentInstanceRect(inst) : null;
+
+      if (!rect) {
+        continue;
+      }
+
+      const distance = isPointInRect(e as any, rect) ? 0 : distanceToRect(e as any, rect);
+
+      if (distance === 0) {
+        nearDistance = distance;
+        nearNode = node;
+        nearIndex = index;
+        nearRect = rect;
+        break;
+      }
+
+      // 标记子节点最顶
+      if (minTop === null || rect.top < minTop) {
+        minTop = rect.top;
+      }
+      // 标记子节点最底
+      if (maxBottom === null || rect.bottom > maxBottom) {
+        maxBottom = rect.bottom;
+      }
+
+      if (nearDistance === null || distance < nearDistance) {
+        nearDistance = distance;
+        nearNode = node;
+        nearIndex = index;
+        nearRect = rect;
+      }
+    }
+
+    detail.index = nearIndex;
+
+    if (nearNode && nearRect) {
+      const el = getRectTarget(nearRect);
+      const inline = el ? isChildInline(el) : false;
+      const row = el ? isRowContainer(el.parentElement!) : false;
+      const vertical = inline || row;
+      // TODO: fix type
+      const near: any = {
+        node: nearNode,
+        pos: 'before',
+        align: vertical ? 'V' : 'H',
+      };
+      detail.near = near;
+      if (isNearAfter(e as any, nearRect, vertical)) {
+        near.pos = 'after';
+        detail.index = nearIndex + 1;
+      }
+      if (!row && nearDistance !== 0) {
+        const edgeDistance = distanceToEdge(e as any, edge);
+        if (edgeDistance.distance < nearDistance!) {
+          const nearAfter = edgeDistance.nearAfter;
+          if (minTop == null) {
+            minTop = edge.top;
+          }
+          if (maxBottom == null) {
+            maxBottom = edge.bottom;
+          }
+          near.rect = new DOMRect(edge.left, minTop, edge.width, maxBottom - minTop);
+          near.align = 'H';
+          near.pos = nearAfter ? 'after' : 'before';
+          detail.index = nearAfter ? children.size : 0;
+        }
+      }
+    }
+
+    return this.designer.createLocation(locationData);
+  }
+
   getDropTarget(e: LocateEvent): NodeParent | LocationData | null {
-    /*
+    const { target, dragObject } = e;
-    const { target, dragTarget } = e;
+    const isAny = isDragAnyObject(dragObject);
-    const isAny = isAnyDragTarget(dragTarget);
     let container: any;
+
     if (target) {
-      const ref = this.document.getNodeFromElement(target as Element);
+      const ref = this.getNodeInstanceFromElement(target);
-      if (ref) {
+      if (ref?.node) {
-        container = ref;
+        e.targetInstance = ref.instance;
+        e.targetNode = ref.node;
+        container = ref.node;
       } else if (isAny) {
         return null;
       } else {
-        container = this.document.view;
+        container = this.document.rootNode;
       }
     } else if (isAny) {
       return null;
     } else {
-      container = this.document.view;
+      container = this.document.rootNode;
     }
 
-    if (!isElementNode(container) && !isRootNode(container)) {
+    if (!isNodeParent(container) && !isRootNode(container)) {
       container = container.parent;
     }
 
-    // use spec container to accept specialData
     if (isAny) {
-      while (container) {
+      // TODO: use spec container to accept specialData
-        if (isRootNode(container)) {
-          return null;
-        }
-        const locationData = this.acceptAnyData(container, e);
-        if (locationData) {
-          return locationData;
-        }
-        container = container.parent;
-      }
       return null;
     }
 
@@ -546,7 +798,8 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
         } else {
           container = container.parent;
         }
-      } else if (res === AT_CHILD) {
+      }
+      /* else if (res === AT_CHILD) {
         if (!upward) {
           upward = container.parent;
         }
@@ -555,31 +808,30 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
           container = upward;
           upward = null;
         }
-      } else if (isNode(res)) {
+      }*/
+      else if (isNode(res)) {
+        console.info('res', res);
         container = res;
         upward = null;
       }
-    }*/
+    }
     return null;
   }
 
-  acceptNodes(container: Node, e: LocateEvent) {
+  acceptNodes(container: NodeParent, e: LocateEvent) {
-    /*
+    const { dragObject } = e;
-    const { dragTarget } = e;
     if (isRootNode(container)) {
-      return this.checkDropTarget(container, dragTarget as any);
+      return this.checkDropTarget(container, dragObject as any);
     }
 
-    const proto = container.prototype;
+    const config = container.componentConfig;
 
-    const acceptable: boolean = this.isAcceptable(container);
+    if (!config.isContainer) {
-    if (!proto.isContainer && !acceptable) {
       return false;
     }
-
     // check is contains, get common parent
-    if (isNodesDragTarget(dragTarget)) {
+    if (isDragNodeObject(dragObject)) {
-      const nodes = dragTarget.nodes;
+      const nodes = dragObject.nodes;
       let i = nodes.length;
       let p: any = container;
       while (i-- > 0) {
@@ -588,41 +840,16 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
         }
       }
       if (p !== container) {
-        return p || this.document.view;
+        return p || this.document.rootNode;
       }
     }
 
-    // first use accept
+    return this.checkNesting(container, dragObject as any);
-    if (acceptable) {
-      const view: any = this.document.getView(container);
-      if (view && '$accept' in view) {
-        if (view.$accept === false) {
-          return false;
-        }
-        if (view.$accept === AT_CHILD || view.$accept === '@CHILD') {
-          return AT_CHILD;
-        }
-        if (typeof view.$accept === 'function') {
-          const ret = view.$accept(container, e);
-          if (ret || ret === false) {
-            return ret;
-          }
-        }
-      }
-      if (proto.acceptable) {
-        const ret = proto.accept(container, e);
-        if (ret || ret === false) {
-          return ret;
-        }
-      }
-    }
-
-    return this.checkNesting(container, dragTarget as any);
-    */
   }
 
+  /*
   getNearByContainer(container: NodeParent, e: LocateEvent) {
-    /*
+
     const children = container.children;
     if (!children || children.length < 1) {
       return null;
@@ -656,195 +883,76 @@ export class SimulatorHost implements ISimulator<SimulatorProps> {
       }
     }
 
-    return nearBy;*/
+    return nearBy;
   }
+  */
 
-  locate(e: LocateEvent): any {
+  checkNesting(dropTarget: NodeParent, dragObject: DragNodeObject | DragNodeDataObject): boolean {
-    /*
+    const items: Array<Node | NodeSchema> = dragObject.nodes || (dragObject as DragNodeDataObject).data;
-    this.sensing = true;
-    this.scroller.scrolling(e);
-    const dropTarget = this.getDropTarget(e);
-    if (!dropTarget) {
-      return null;
-    }
-
-    if (isLocationData(dropTarget)) {
-      return this.document.createLocation(dropTarget);
-    }
-
-    const target = dropTarget;
-
-    const edge = this.document.computeRect(target);
-
-    const children = target.children;
-
-    const detail: LocationChildrenDetail = {
-      type: LocationDetailType.Children,
-      index: 0,
-    };
-
-    const locationData = {
-      target,
-      detail,
-    };
-
-    if (!children || children.length < 1 || !edge) {
-      return this.document.createLocation(locationData);
-    }
-
-    let nearRect = null;
-    let nearIndex = 0;
-    let nearNode = null;
-    let nearDistance = null;
-    let top = null;
-    let bottom = null;
-
-    for (let i = 0, l = children.length; i < l; i++) {
-      let node = children[i];
-      let index = i;
-      if (hasConditionFlow(node)) {
-        node = node.conditionFlow;
-        index = node.index;
-        // skip flow items
-        i = index + (node as any).length - 1;
-      }
-      const rect = this.document.computeRect(node);
-
-      if (!rect) {
-        continue;
-      }
-
-      const distance = isPointInRect(e, rect) ? 0 : distanceToRect(e, rect);
-
-      if (distance === 0) {
-        nearDistance = distance;
-        nearNode = node;
-        nearIndex = index;
-        nearRect = rect;
-        break;
-      }
-
-      // TODO: 忘记为什么这么处理了，记得添加注释
-      if (top === null || rect.top < top) {
-        top = rect.top;
-      }
-      if (bottom === null || rect.bottom > bottom) {
-        bottom = rect.bottom;
-      }
-
-      if (nearDistance === null || distance < nearDistance) {
-        nearDistance = distance;
-        nearNode = node;
-        nearIndex = index;
-        nearRect = rect;
-      }
-    }
-
-    detail.index = nearIndex;
-
-    if (nearNode && nearRect) {
-      const el = getRectTarget(nearRect);
-      const inline = el ? isChildInline(el) : false;
-      const row = el ? isRowContainer(el.parentElement!) : false;
-      const vertical = inline || row;
-      // TODO: fix type
-      const near: any = {
-        node: nearNode,
-        pos: 'before',
-        align: vertical ? 'V' : 'H',
-      };
-      detail.near = near;
-      if (isNearAfter(e, nearRect, vertical)) {
-        near.pos = 'after';
-        detail.index = nearIndex + (isConditionFlow(nearNode) ? nearNode.length : 1);
-      }
-      if (!row && nearDistance !== 0) {
-        const edgeDistance = distanceToEdge(e, edge);
-        if (edgeDistance.distance < nearDistance!) {
-          const nearAfter = edgeDistance.nearAfter;
-          if (top == null) {
-            top = edge.top;
-          }
-          if (bottom == null) {
-            bottom = edge.bottom;
-          }
-          near.rect = new DOMRect(edge.left, top, edge.width, bottom - top);
-          near.align = 'H';
-          near.pos = nearAfter ? 'after' : 'before';
-          detail.index = nearAfter ? children.length : 0;
-        }
-      }
-    }
-
-    return this.document.createLocation(locationData);
-    */
-  }
-
-  isAcceptable(container: NodeParent): boolean {
-    return false;
-    /*
-    const proto = container.prototype;
-    const view: any = this.getComponentInstance(container);
-    if (view && '$accept' in view) {
-      return true;
-    }
-    return proto.acceptable;*/
-  }
-
-  acceptAnyData(container: Node, e: LocateEvent | MouseEvent | KeyboardEvent) {
-    /*
-    const proto = container.prototype;
-    const view: any = this.document.getView(container);
-    // use view instance method: $accept
-    if (view && typeof view.$accept === 'function') {
-      // should return LocationData
-      return view.$accept(container, e);
-    }
-    // use prototype method: accept
-    return proto.accept(container, e);*/
-  }
-
-  checkNesting(dropTarget: Node, dragTarget: DragNodeObject | DragNodeDataObject): boolean {
-    return false;
-    /*
-    const items: Array<INode | NodeData> = dragTarget.nodes || (dragTarget as NodeDatasDragTarget).data;
     return items.every(item => this.checkNestingDown(dropTarget, item));
-    */
   }
 
-  checkDropTarget(dropTarget: Node, dragTarget: DragNodeObject | DragNodeDataObject): boolean {
+  checkDropTarget(dropTarget: NodeParent, dragObject: DragNodeObject | DragNodeDataObject): boolean {
-    return false;
+    const items: Array<Node | NodeSchema> = dragObject.nodes || (dragObject as DragNodeDataObject).data;
-    /*
-    const items: Array<INode | NodeData> = dragTarget.nodes || (dragTarget as NodeDatasDragTarget).data;
     return items.every(item => this.checkNestingUp(dropTarget, item));
-    */
   }
 
-  checkNestingUp(parent: NodeParent, target: NodeData | Node): boolean {
+  checkNestingUp(parent: NodeParent, target: NodeSchema | Node): boolean {
-    /*
+    if (isNode(target) || isNodeSchema(target)) {
-    if (isElementNode(target) || isElementData(target)) {
+      const config = isNode(target) ? target.componentConfig : this.designer.getComponentConfig(target.componentName);
-      const proto = isElementNode(target)
+      if (config) {
-        ? target.prototype
+        return config.checkNestingUp(target, parent);
-        : this.document.getPrototypeByTagNameOrURI(target.tagName, target.uri);
-      if (proto) {
-        return proto.checkNestingUp(target, parent);
       }
-    }*/
+    }
 
     return true;
   }
 
-  checkNestingDown(parent: NodeParent, target: NodeData | Node): boolean {
+  checkNestingDown(parent: NodeParent, target: NodeSchema | Node): boolean {
-    /*
+    const config = parent.componentConfig;
-    const proto = parent.prototype;
+    return config.checkNestingDown(parent, target) && this.checkNestingUp(parent, target);
-    if (isConditionFlow(parent)) {
-      return parent.children.every(
-        child => proto.checkNestingDown(parent, child) && this.checkNestingUp(parent, child),
-      );
-    } else {
-      return proto.checkNestingDown(parent, target) && this.checkNestingUp(parent, target);
-    }*/
-    return false;
   }
   // #endregion
 }
+
+
+function isPointInRect(point: CanvasPoint, rect: Rect) {
+  return (
+    point.canvasY >= rect.top &&
+    point.canvasY <= rect.bottom &&
+    (point.canvasX >= rect.left && point.canvasX <= rect.right)
+  );
+}
+
+function distanceToRect(point: CanvasPoint, rect: Rect) {
+  let minX = Math.min(Math.abs(point.canvasX - rect.left), Math.abs(point.canvasX - rect.right));
+  let minY = Math.min(Math.abs(point.canvasY - rect.top), Math.abs(point.canvasY - rect.bottom));
+  if (point.canvasX >= rect.left && point.canvasX <= rect.right) {
+    minX = 0;
+  }
+  if (point.canvasY >= rect.top && point.canvasY <= rect.bottom) {
+    minY = 0;
+  }
+
+  return Math.sqrt(minX ** 2 + minY ** 2);
+}
+
+function distanceToEdge(point: CanvasPoint, rect: Rect) {
+  const distanceTop = Math.abs(point.canvasY - rect.top);
+  const distanceBottom = Math.abs(point.canvasY - rect.bottom);
+
+  return {
+    distance: Math.min(distanceTop, distanceBottom),
+    nearAfter: distanceBottom < distanceTop,
+  };
+}
+
+function isNearAfter(point: CanvasPoint, rect: Rect, inline: boolean) {
+  if (inline) {
+    return (
+      Math.abs(point.canvasX - rect.left) + Math.abs(point.canvasY - rect.top) >
+      Math.abs(point.canvasX - rect.right) + Math.abs(point.canvasY - rect.bottom)
+    );
+  }
+  return Math.abs(point.canvasY - rect.top) > Math.abs(point.canvasY - rect.bottom);
+}

packages/designer/src/builtins/simulator/renderer/renderer.ts

@@ -8,10 +8,12 @@ import { getClientRects } from '../../../utils/get-client-rects';
 import { Asset } from '../utils/asset';
 import loader from '../utils/loader';
 import { ComponentDescriptionSpec } from '../../../designer/component-config';
-import { reactFindDOMNodes } from '../utils/react-find-dom-nodes';
+import { reactFindDOMNodes, FIBER_KEY } from '../utils/react-find-dom-nodes';
 import { isESModule } from '../../../utils/is-es-module';
 import { NodeInstance } from '../../../designer/simulator';
 import { isElement } from '../../../utils/is-element';
+import cursor from '../../../designer/helper/cursor';
+import { setNativeSelection } from '../../../designer/helper/navtive-selection';
 
 export class SimulatorRenderer {
   readonly isSimulatorRenderer = true;
@@ -133,7 +135,9 @@ export class SimulatorRenderer {
     let instances = this.instancesMap.get(id);
     if (instances) {
       instances = instances.filter(checkInstanceMounted);
-      instances.push(instance);
+      if (!instances.includes(instance)) {
+        instances.push(instance);
+      }
       instancesMap.set(id, instances);
     } else {
       instancesMap.set(id, [instance]);
@@ -144,12 +148,12 @@ export class SimulatorRenderer {
     this.ctxMap.set(id, ctx);
   }
 
-  getComponentInstance(id: string): ReactInstance[] | null {
+  getComponentInstances(id: string): ReactInstance[] | null {
     return this.instancesMap.get(id) || null;
   }
 
-  getClosestNodeInstance(element: Element): NodeInstance | null {
+  getClosestNodeInstance(from: ReactInstance, nodeId?: string): NodeInstance<ReactInstance> | null {
-    return getClosestNodeInstance(element);
+    return getClosestNodeInstance(from, nodeId);
   }
 
   findDOMNodes(instance: ReactInstance): Array<Element | Text> | null {
@@ -160,6 +164,28 @@ export class SimulatorRenderer {
     return getClientRects(element);
   }
 
+  setNativeSelection(enableFlag: boolean) {
+    setNativeSelection(enableFlag);
+  }
+  /**
+   * @see ISimulator
+   */
+  setDraggingState(state: boolean) {
+    cursor.setDragging(state);
+  }
+  /**
+   * @see ISimulator
+   */
+  setCopyState(state: boolean) {
+    cursor.setCopy(state);
+  }
+  /**
+   * @see ISimulator
+   */
+  clearState() {
+    cursor.release();
+  }
+
   private _running: boolean = false;
   run() {
     if (this._running) {
@@ -260,34 +286,44 @@ function cacheReactKey(el: Element): Element {
 
 const SYMBOL_VNID = Symbol('_LCNodeId');
 
-function getClosestNodeInstance(element: Element): NodeInstance | null {
+function getClosestNodeInstance(from: ReactInstance, specId?: string): NodeInstance<ReactInstance> | null {
-  let el: any = element;
+  let el: any = from;
   if (el) {
-    el = cacheReactKey(el);
+    if (isElement(el)) {
+      el = cacheReactKey(el);
+    } else {
+      return getNodeInstance(el[FIBER_KEY], specId);
+    }
   }
   while (el) {
     if (SYMBOL_VNID in el) {
-      return {
+      const nodeId = el[SYMBOL_VNID];
-        nodeId: el[SYMBOL_VNID],
+      if (!specId || specId === nodeId) {
-        instance: el,
+        return {
-      };
+          nodeId: nodeId,
+          instance: el,
+        };
+      }
     }
     // get fiberNode from element
     if (el[REACT_KEY]) {
-      return getNodeInstance(el[REACT_KEY]);
+      return getNodeInstance(el[REACT_KEY], specId);
     }
     el = el.parentElement;
   }
   return null;
 }
 
-function getNodeInstance(fiberNode: any): NodeInstance | null {
+function getNodeInstance(fiberNode: any, specId?: string): NodeInstance<ReactInstance> | null {
   const instance = fiberNode.stateNode;
   if (instance && SYMBOL_VNID in instance) {
-    return {
+    const nodeId = instance[SYMBOL_VNID];
-      nodeId: instance[SYMBOL_VNID],
+    if (!specId || specId === nodeId) {
-      instance,
+      return {
-    };
+        nodeId: nodeId,
+        instance: instance,
+      };
+    }
   }
   return getNodeInstance(fiberNode.return);
 }

packages/designer/src/builtins/simulator/utils/react-find-dom-nodes.ts

@@ -2,7 +2,7 @@ import { ReactInstance } from 'react';
 import { isElement } from '../../../utils/is-element';
 import { isDOMNode } from '../../../utils/is-dom-node';
 
-const FIBER_KEY = '_reactInternalFiber';
+export const FIBER_KEY = '_reactInternalFiber';
 
 function elementsFromFiber(fiber: any, elements: Array<Element | Text>) {
   if (fiber) {

packages/designer/src/designer/component-config.ts

@@ -280,7 +280,7 @@ export class ComponentConfig {
   }
   private _isContainer?: boolean;
   get isContainer(): boolean {
-    return this._isContainer!;
+    return this._isContainer! || this.isRootComponent();
   }
   private _isModal?: boolean;
   get isModal(): boolean {
@@ -354,6 +354,10 @@ export class ComponentConfig {
     }
   }
 
+  isRootComponent() {
+    return this.componentName === 'Page' || this.componentName === 'Block' || this.componentName === 'Component';
+  }
+
   set spec(spec: ComponentDescriptionSpec) {
     this._spec = spec;
     this.parseSpec(spec);

packages/designer/src/designer/designer.ts

@@ -56,7 +56,7 @@ export default class Designer {
     });
 
     this.dragon.onDrag(e => {
-      console.info(e);
+      console.info('dropLocation', this._dropLocation);
       if (this.props?.onDrag) {
         this.props.onDrag(e);
       }
@@ -247,12 +247,9 @@ export default class Designer {
       return this._componentConfigsMap.get(componentName)!;
     }
 
-    const config = new ComponentConfig({
+    return new ComponentConfig({
       componentName,
     });
-
-    this._componentConfigsMap.set(componentName, config);
-    return config;
   }
 
   get componentsMap(): { [key: string]: ComponentDescriptionSpec } {

packages/designer/src/designer/document/document-model.ts

@@ -223,59 +223,16 @@ export default class DocumentModel {
     // TODO: emit simulator mounted
   }
 
-  /**
-   * 根据节点取得视图实例，在循环等场景会有多个，依赖 simulator 的接口
-   */
-  getComponentInstance(node: Node): ComponentInstance[] | null {
-    if (this.simulator) {
-      this.simulator.getComponentInstance(node);
-    }
-    return null;
-  }
-
   getComponent(componentName: string): any {
     return this.simulator!.getComponent(componentName);
   }
 
-  getComponentConfig(component: Component, componentName: string): ComponentConfig {
+  getComponentConfig(componentName: string, component?: Component | null): ComponentConfig {
     // TODO: guess componentConfig from component by simulator
     return this.designer.getComponentConfig(componentName);
   }
 
-  /**
-   * 通过 DOM 节点获取节点，依赖 simulator 的接口
-   */
-  getNodeInstanceFromElement(target: Element | null): NodeInstance | null {
-    if (!this.simulator || !target) {
-      return null;
-    }
 
-    const nodeIntance = this.simulator.getClosestNodeInstance(target);
-    if (!nodeIntance) {
-      return null;
-    }
-    const node = this.getNode(nodeIntance.nodeId);
-    return {
-      ...nodeIntance,
-      node,
-    };
-  }
-
-  /**
-   * 获得到的结果是一个数组
-   * 表示一个实例对应多个外层 DOM 节点，依赖 simulator 的接口
-   */
-  getDOMNodes(instance: ComponentInstance): Array<Element | Text> | null {
-    if (!this.simulator) {
-      return null;
-    }
-
-    if (isElement(instance)) {
-      return [instance];
-    }
-
-    return this.simulator.findDOMNodes(instance);
-  }
 
   private _opened: boolean = true;
   private _suspensed: boolean = false;

packages/designer/src/designer/document/node/node-children.ts

@@ -1,8 +1,9 @@
 import Node, { NodeParent } from './node';
 import { NodeData } from '../../schema';
+import { obx, computed } from '@recore/obx';
 
 export default class NodeChildren {
-  private children: Node[];
+  @obx.val private children: Node[];
   constructor(readonly owner: NodeParent, childrenData: NodeData | NodeData[]) {
     this.children = (Array.isArray(childrenData) ? childrenData : [childrenData]).map(child => {
       const node = this.owner.document.createNode(child);
@@ -22,14 +23,14 @@ export default class NodeChildren {
   /**
    * 元素个数
    */
-  get size(): number {
+  @computed get size(): number {
     return this.children.length;
   }
 
   /**
    * 是否空
    */
-  isEmpty() {
+  @computed isEmpty() {
     return this.size < 1;
   }
 

packages/designer/src/designer/document/node/node-content.ts

@@ -1,10 +1,10 @@
-import { obx } from '@recore/obx';
+import { obx, computed } from '@recore/obx';
 import { JSExpression, isJSExpression } from '../../schema';
 
 export default class NodeContent {
   @obx.ref private _value: string | JSExpression = '';
 
-  get value(): string | JSExpression {
+  @computed get value(): string | JSExpression {
     return this._value;
   }
 
@@ -15,7 +15,7 @@ export default class NodeContent {
   /**
    * 获得表达式值
    */
-  get code() {
+  @computed get code() {
     if (isJSExpression(this._value)) {
       return this._value.value;
     }
@@ -70,14 +70,14 @@ export default class NodeContent {
   /**
    * 是否表达式
    */
-  isJSExpression(): boolean {
+  @computed isJSExpression(): boolean {
     return isJSExpression(this._value);
   }
 
   /**
    * 是否空值
    */
-  isEmpty() {
+  @computed isEmpty() {
     if (isJSExpression(this._value)) {
       return this._value.value === '';
     }

packages/designer/src/designer/document/node/node.ts

@@ -54,8 +54,8 @@ export default class Node {
   protected _directives?: Props<Node>;
   protected _extras?: Props<Node>;
   protected _children: NodeChildren | NodeContent;
-  private _parent: NodeParent | null = null;
+  @obx.ref private _parent: NodeParent | null = null;
-  private _zLevel = 0;
+  @obx.ref private _zLevel = 0;
   get props(): Props<Node> | undefined {
     return this._props;
   }
@@ -165,15 +165,18 @@ export default class Node {
   /**
    * 节点组件类
    */
-  @obx.ref get component(): Component {
+  @obx.ref get component(): Component | null {
-    return this.document.getComponent(this.componentName);
+    if (this.isNodeParent) {
+      return this.document.getComponent(this.componentName);
+    }
+    return null;
   }
 
   /**
    * 节点组件描述
    */
   @obx.ref get componentConfig(): ComponentConfig {
-    return this.document.getComponentConfig(this.component, this.componentName);
+    return this.document.getComponentConfig(this.componentName, this.component);
   }
 
   @obx.ref get propsData(): PropsMap | PropsList | null {
@@ -258,7 +261,7 @@ export default class Node {
   /**
    * 获取节点在父容器中的索引
    */
-  get index(): number {
+  @computed get index(): number {
     if (!this.parent) {
       return -1;
     }

packages/designer/src/designer/document/node/props/prop.ts

@@ -125,7 +125,7 @@ export default class Prop implements IPropParent {
    * 值是否包含表达式
    * 包含 JSExpresion | JSSlot 等值
    */
-  isContainJSExpression(): boolean {
+  @computed isContainJSExpression(): boolean {
     const type = this._type;
     if (type === 'expression') {
       return true;
@@ -142,12 +142,12 @@ export default class Prop implements IPropParent {
   /**
    * 是否简单 JSON 数据
    */
-  isJSON() {
+  @computed isJSON() {
     return !this.isContainJSExpression();
   }
 
-  private _items: Prop[] | null = null;
+  @obx.val private _items: Prop[] | null = null;
-  private _maps: Map<string, Prop> | null = null;
+  @obx.val private _maps: Map<string, Prop> | null = null;
   @computed private get items(): Prop[] | null {
     let _items: any;
     untracked(() => {

packages/designer/src/designer/document/node/props/props.ts

@@ -11,7 +11,7 @@ export type UNSET = typeof UNSET;
 export default class Props<O = any> implements IPropParent {
   readonly id = uniqueId('props');
   @obx.val private items: Prop[] = [];
-  @obx.ref private get maps(): Map<string, Prop> {
+  @computed private get maps(): Map<string, Prop> {
     const maps = new Map();
     if (this.items.length > 0) {
       this.items.forEach(prop => {
@@ -36,7 +36,7 @@ export default class Props<O = any> implements IPropParent {
   /**
    * 元素个数
    */
-  get size() {
+  @computed get size() {
     return this.items.length;
   }
 

packages/designer/src/designer/document/node/props/stash-space.ts

@@ -1,10 +1,10 @@
-import { obx, autorun, untracked } from '@recore/obx';
+import { obx, autorun, untracked, computed } from '@recore/obx';
 import Prop, { IPropParent } from './prop';
 
 export type PendingItem = Prop[];
 export default class StashSpace implements IPropParent {
   @obx.val private space: Set<Prop> = new Set();
-  @obx.ref private get maps(): Map<string, Prop> {
+  @computed private get maps(): Map<string, Prop> {
     const maps = new Map();
     if (this.space.size > 0) {
       this.space.forEach(prop => {

packages/designer/src/designer/helper/dragon.ts

@@ -2,8 +2,8 @@ import { EventEmitter } from 'events';
 import { obx } from '@recore/obx';
 import Location from './location';
 import DocumentModel from '../document/document-model';
-import { NodeData } from '../schema';
+import { NodeData, NodeSchema } from '../schema';
-import { ISimulator, isSimulator } from '../simulator';
+import { ISimulator, isSimulator, ComponentInstance } from '../simulator';
 import Node from '../document/node/node';
 import Designer from '../designer';
 import { setNativeSelection } from './navtive-selection';
@@ -43,11 +43,14 @@ export interface LocateEvent {
   /**
    * 激活或目标文档
    */
-  document?: DocumentModel;
+  documentModel?: DocumentModel;
   /**
    * 事件订正标识，初始构造时，从发起端构造，缺少 canvasX,canvasY, 需要经过订正才有
    */
   fixed?: true;
+
+  targetNode?: Node;
+  targetInstance?: ComponentInstance;
 }
 
 /**
@@ -89,8 +92,8 @@ export interface DragNodeObject {
 }
 export interface DragNodeDataObject {
   type: DragObjectType.NodeData;
-  data: NodeData | NodeData[];
+  data: NodeSchema | NodeSchema[];
-  maps?: { [tagName: string]: string };
+  maps?: { [componentName: string]: string };
   thumbnail?: string;
   description?: string;
   [extra: string]: any;
@@ -279,7 +282,7 @@ export default class Dragon {
       if (this._dragging) {
         this._dragging = false;
         try {
-          this.emitter.emit('dragend', { dragTarget: dragObject, copy: this.isCopyState() });
+          this.emitter.emit('dragend', { dragObject, copy: this.isCopyState() });
         } catch (ex) {
           exception = ex;
         }
@@ -339,6 +342,8 @@ export default class Dragon {
           const g = srcSim.viewport.toGlobalPoint(e);
           evt.globalX = g.clientX;
           evt.globalY = g.clientY;
+          evt.canvasX = e.clientX;
+          evt.canvasY = e.clientY;
           evt.sensor = srcSim;
         } else {
           // this condition will not happen, just make sure ts ok
@@ -352,10 +357,12 @@ export default class Dragon {
     const sourceSensor = getSourceSensor(dragObject);
     const sensors: ISensor[] = (masterSensors as ISensor[]).concat(this.sensors);
     const chooseSensor = (e: LocateEvent) => {
-      let sensor = e.sensor || sensors.find(s => s.sensorAvailable && s.isEnter(e));
+      let sensor = e.sensor && e.sensor.isEnter(e) ? e.sensor : sensors.find(s => s.sensorAvailable && s.isEnter(e));
       if (!sensor) {
         if (lastSensor) {
           sensor = lastSensor;
+        } else if (e.sensor) {
+          sensor = e.sensor;
         } else if (sourceSensor) {
           sensor = sourceSensor;
         }

packages/designer/src/designer/helper/hovering.ts

@@ -21,7 +21,6 @@ export default class Hovering {
   }
 
   hover(node: Node | null) {
-    console.info(node);
     this._current = node;
   }
 

packages/designer/src/designer/helper/location.ts

@@ -14,6 +14,7 @@ export enum LocationDetailType {
 export interface LocationChildrenDetail {
   type: LocationDetailType.Children;
   index: number;
+  edge?: DOMRect;
   near?: {
     node: ComponentNode;
     pos: 'before' | 'after';
@@ -36,11 +37,16 @@ export interface Point {
   clientY: number;
 }
 
-export type Rects = Array<ClientRect | DOMRect> & {
+export interface CanvasPoint {
+  canvasX: number;
+  canvasY: number;
+}
+
+export type Rects = DOMRect[] & {
   elements: Array<Element | Text>;
 };
 
-export type Rect = (ClientRect | DOMRect) & {
+export type Rect = DOMRect & {
   elements: Array<Element | Text>;
   computed?: boolean;
 };

packages/designer/src/designer/simulator.ts

@@ -100,16 +100,6 @@ export interface ISimulator<P = object> extends ISensor {
    */
   clearState(): void;
 
-  /**
-   * 在模拟器拖拽定位
-   */
-  locate(e: LocateEvent): any;
-
-  /**
-   * 给 event 打补丁，添加 canvasX, globalX 等信息，用于拖拽
-   */
-  fixEvent(e: LocateEvent): LocateEvent;
-
   // #endregion
 
   /**
@@ -128,13 +118,15 @@ export interface ISimulator<P = object> extends ISensor {
   /**
    * 根据节点获取节点的组件实例
    */
-  getComponentInstance(node: Node): ComponentInstance[] | null;
+  getComponentInstances(node: Node): ComponentInstance[] | null;
   /**
    * 根据节点获取节点的组件运行上下文
    */
   getComponentContext(node: Node): object | null;
 
-  getClosestNodeInstance(elem: Element): NodeInstance | null;
+  getClosestNodeInstance(from: ComponentInstance, specId?: string): NodeInstance | null;
+
+  computeRect(node: Node): DOMRect | null;
 
   computeComponentInstanceRect(instance: ComponentInstance): DOMRect | null;
 
@@ -150,9 +142,9 @@ export function isSimulator(obj: any): obj is ISimulator {
   return obj && obj.isSimulator;
 }
 
-export interface NodeInstance {
+export interface NodeInstance<T = ComponentInstance> {
   nodeId: string;
-  instance: ComponentInstance;
+  instance: T;
   node?: Node | null;
 }