From d936d2bdde3cad620ec242d944ea5cc1909ef127 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8A=9B=E7=9A=93?= <lihao.ylh@alibaba-inc.com>
Date: Tue, 18 Aug 2020 21:36:46 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=8C=BA=E5=9D=97=E7=BB=84=E4=BB=B6?=
 =?UTF-8?q?=E6=97=A0=E6=B3=95=E5=88=A0=E9=99=A4?=
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fix: 修改 currentPage 逻辑
---
 packages/designer/src/component-meta.ts        |  6 +++---
 .../designer/src/document/document-model.ts    |  2 --
 packages/editor-preset-vision/src/pages.ts     | 15 ++++++++++-----
 .../editor-preset-vision/src/util/index.ts     | 18 ++++++++++++++++++
 4 files changed, 31 insertions(+), 10 deletions(-)
 create mode 100644 packages/editor-preset-vision/src/util/index.ts

diff --git a/packages/designer/src/component-meta.ts b/packages/designer/src/component-meta.ts
index 27b145d68..64c1239d7 100644
--- a/packages/designer/src/component-meta.ts
+++ b/packages/designer/src/component-meta.ts
@@ -208,13 +208,13 @@ export class ComponentMeta {
     return result as any;
   }
 
-  isRootComponent() {
-    return this.componentName === 'Page' || this.componentName === 'Block' || this.componentName === 'Component';
+  isRootComponent(includeBlock: boolean = true) {
+    return this.componentName === 'Page' || this.componentName === 'Component' || (includeBlock && this.componentName === 'Block');
   }
 
   @computed get availableActions() {
     let { disableBehaviors, actions } = this._transformedMetadata?.configure.component || {};
-    const disabled = ensureAList(disableBehaviors) || (this.isRootComponent() ? ['copy', 'remove'] : null);
+    const disabled = ensureAList(disableBehaviors) || (this.isRootComponent(false) ? ['copy', 'remove'] : null);
     actions = builtinComponentActions.concat(this.designer.getGlobalComponentActions() || [], actions || []);
 
     if (disabled) {
diff --git a/packages/designer/src/document/document-model.ts b/packages/designer/src/document/document-model.ts
index dbd9f5713..77f3cee83 100644
--- a/packages/designer/src/document/document-model.ts
+++ b/packages/designer/src/document/document-model.ts
@@ -105,8 +105,6 @@ export class DocumentModel {
 
     if (!schema) {
       this._blank = true;
-    } else {
-      this.id = project.getSchema()?.id || this.id;
     }
 
     this.rootNode = this.createNode<RootNode>(
diff --git a/packages/editor-preset-vision/src/pages.ts b/packages/editor-preset-vision/src/pages.ts
index 65b2cd05c..c50b95ee0 100644
--- a/packages/editor-preset-vision/src/pages.ts
+++ b/packages/editor-preset-vision/src/pages.ts
@@ -1,7 +1,8 @@
-import { designer } from './editor';
 import { RootSchema } from '@ali/lowcode-types';
 import { DocumentModel } from '@ali/lowcode-designer';
+import { designer } from './editor';
 import NodeCacheVisitor from './rootNodeVisitor';
+import { getFormUuid } from './util';
 
 const { project } = designer;
 
@@ -51,8 +52,7 @@ const pages = Object.assign(project, {
     project.load({
       version: '1.0.0',
       componentsMap: [],
-      componentsTree,
-      id: pages[0].id,
+      componentsTree
     }, true);
 
     // FIXME: 根本原因应该是 propStash 导致的，这样可以避免页面加载之后就被标记为 isModified
@@ -86,7 +86,12 @@ const pages = Object.assign(project, {
     page.active();
   },
   getCurrentPage() {
-    return project.currentDocument;
+    if (!project.currentDocument) {
+      return null;
+    }
+    const currentPage = { ...project.currentDocument, id: getFormUuid() };
+    Object.setPrototypeOf(currentPage, Object.getPrototypeOf(project.currentDocument || {}));
+    return currentPage;
   },
   onPagesChange() {
     // noop
@@ -101,7 +106,7 @@ const pages = Object.assign(project, {
 
 Object.defineProperty(pages, 'currentPage', {
   get() {
-    return project.currentDocument;
+    return pages.getCurrentPage();
   }
 })
 
diff --git a/packages/editor-preset-vision/src/util/index.ts b/packages/editor-preset-vision/src/util/index.ts
new file mode 100644
index 000000000..b1ad217e9
--- /dev/null
+++ b/packages/editor-preset-vision/src/util/index.ts
@@ -0,0 +1,18 @@
+function getUrlParameter(sParam: string) {
+  var sPageURL = window.location.search.substring(1),
+    sURLVariables = sPageURL.split('&'),
+    sParameterName,
+    i;
+
+  for (i = 0; i < sURLVariables.length; i++) {
+    sParameterName = sURLVariables[i].split('=');
+
+    if (sParameterName[0] === sParam) {
+      return sParameterName[1] === undefined ? true : decodeURIComponent(sParameterName[1]);
+    }
+  }
+};
+
+export function getFormUuid() {
+  return getUrlParameter('formUuid');
+}
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