refactor(editor): improve element adapters (#11473)

blocksuite/affine/gfx/shape/src/adapter/plain-text/index.ts

@@ -0,0 +1,35 @@
+import { ElementToPlainTextAdapterExtension } from '@blocksuite/affine-block-surface';
+import type { MindMapTreeNode } from '@blocksuite/affine-model';
+
+import { getShapeText, getShapeType } from '../utils';
+
+export const shapeToPlainTextAdapterMatcher =
+  ElementToPlainTextAdapterExtension({
+    name: 'shape',
+    match: elementModel => elementModel.type === 'shape',
+    toAST: (elementModel, context) => {
+      let content = '';
+      const { walkerContext } = context;
+      const mindMapNodeMaps = walkerContext.getGlobalContext(
+        'surface:mindMap:nodeMapArray'
+      ) as Array<Map<string, MindMapTreeNode>>;
+      if (mindMapNodeMaps && mindMapNodeMaps.length > 0) {
+        // Check if the elementModel is a mindMap node
+        // If it is, we should return { content: '' } directly
+        // And get the content when we handle the whole mindMap
+        const isMindMapNode = mindMapNodeMaps.some(nodeMap =>
+          nodeMap.has(elementModel.id as string)
+        );
+        if (isMindMapNode) {
+          return { content };
+        }
+      }
+
+      // If it is not, we should return the text and shapeType
+      const text = getShapeText(elementModel);
+      const type = getShapeType(elementModel);
+      const shapeType = type.charAt(0).toUpperCase() + type.slice(1);
+      content = `${shapeType}, with text label "${text}"`;
+      return { content };
+    },
+  });