polyfill dragengine

packages/vision-polyfill/src/drag-engine.ts

@@ -0,0 +1,47 @@
+import { designer } from './editor';
+import { DragObjectType, isNode } from '@ali/lowcode-designer';
+
+const dragon = designer.dragon;
+const DragEngine = {
+  from(shell: Element, boost: (e: MouseEvent) => any): any {
+    dragon.from(shell, (e) => {
+      const r = boost(e);
+      if (!r) {
+        return null;
+      }
+      if (isNode(r)) {
+        return {
+          type: DragObjectType.Node,
+          nodes: [r],
+        };
+      } else {
+        return {
+          type: DragObjectType.NodeData,
+          data: r,
+        };
+      }
+    });
+  },
+  onDragstart(func: (e: any, dragment: any) => any) {
+    return dragon.onDragstart((evt) => {
+      func(evt.originalEvent, evt.dragObject.nodes[0]);
+    });
+  },
+  onDrag(func: (e: any, dragment: any, location: any) => any) {
+    return dragon.onDrag((evt) => {
+      const loc = designer.currentDocument?.dropLocation;
+      func(evt.originalEvent, evt.dragObject.nodes[0], loc);
+    });
+  },
+  onDragend(func: (dragment: any, location: any, copy: any) => any) {
+    return dragon.onDragend(({ dragObject, copy }) => {
+      const loc = designer.currentDocument?.dropLocation;
+      func(dragObject.nodes[0], loc, copy);
+    });
+  },
+  inDragging() {
+    return dragon.dragging;
+  },
+};
+
+export default DragEngine;

packages/vision-polyfill/src/dragon.ts

@@ -1,34 +0,0 @@
-import { editor, designer } from './editor';
-
-const dragon = designer.dragon;
-
-const dragengine = {
-  from (shell: Element, boost: (e: MouseEvent) => any): any {
-
-  },
-  onDragstart(func: (e: any, dragment: any) => any) {
-    return dragon.onDragstart((evt) => {
-      func(evt.originalEvent, evt.dragObject.nodes[0]);
-    });
-  },
-  onDrag (func: (e: any, dragment: any, location: Location) => any) {
-    return dragon.onDrag((evt) => {
-      const loc = designer.currentDocument?.dropLocation;
-      func(evt.originalEvent, evt.dragObject.nodes[0]);
-    });
-  },
-  onDragend (func: (dragment: any, location: Location, copy: any) => any) {
-
-  },
-  addSensor (sensor: any) {
-
-  },
-  removeSensor (sensor: any) {
-
-  },
-  inDragging () {
-
-  }
-}
-
-export default dragengine;

packages/vision-polyfill/src/vision.ts

@@ -22,6 +22,7 @@ import Field from './field';
 import Prop from './prop';
 import Env from './env';
 import './vision.less';
+import DragEngine from './drag-engine';
 
 function init(container?: Element) {
   if (!container) {
@@ -94,6 +95,7 @@ const VisualEngine = {
   Prototype,
   Bundle,
   Pages,
+  DragEngine,
 };
 
 export default VisualEngine;