完成Q Scheme的导出复制功能。

src/page-components/scheme/QScheme.tsx

@@ -1,3 +1,35 @@
-export function QScheme() {
-  return <div>Q Scheme</div>;
+import { isEqual, isNil } from 'lodash-es';
+import { useState } from 'react';
+import { Tab } from '../../components/Tab';
+import { SchemeContent } from '../../models';
+import { QSchemeStorage } from '../../q-scheme';
+import { QSchemeBuilder } from './q-scheme/Builder';
+import { QSchemeExport } from './q-scheme/Export';
+import { QSchemePreview } from './q-scheme/Preview';
+
+const tabOptions = [
+  { title: 'Overview', id: 'overview' },
+  { title: 'Builder', id: 'builder' },
+  { title: 'Exports', id: 'export' },
+];
+
+type QSchemeProps = {
+  scheme: SchemeContent<QSchemeStorage>;
+};
+
+export function QScheme({ scheme }: QSchemeProps) {
+  const [activeTab, setActiveTab] = useState<(typeof tabOptions)[number]['id']>(() =>
+    isNil(scheme.schemeStorage.scheme) ? 'builder' : 'overview',
+  );
+
+  return (
+    <>
+      <Tab tabs={tabOptions} activeTab={activeTab} onActive={setActiveTab} />
+      {isEqual(activeTab, 'overview') && <QSchemePreview scheme={scheme} />}
+      {isEqual(activeTab, 'builder') && (
+        <QSchemeBuilder scheme={scheme} onBuildCompleted={() => setActiveTab('overview')} />
+      )}
+      {isEqual(activeTab, 'export') && <QSchemeExport scheme={scheme} />}
+    </>
+  );
 }