!1014 优化:保存时清理历史记录

src/Add-on/Save.ts

@@ -10,25 +10,68 @@ import { SaveAsModal } from "../UI/Components/Modal/SavaAsModal";
 import { ModalPosition, ModalState } from "../UI/Components/Modal/ModalInterface";
 import { AppToaster } from "../UI/Components/Toaster";
 import { IndexedDbStore, StoreName } from "../IndexedDb/IndexedDbStore";
+import { Intent } from "@blueprintjs/core";
+import { Database } from "../DatabaseServices/Database";
+import { arrayRemoveIf } from "../Common/ArrayExt";
+import { CADFiler } from "../DatabaseServices/CADFiler";
+
+//清理历史记录
+const MAX_HS_COUNT = 20;
 
 export class Save implements Command
 {
     NoHistory = true;
     async exec()
     {
-        if (app.Saved)
+        const hm = app.Database.hm;
+
+        let curIndex = hm.curIndex;
+        let curCount = hm.historyRecord.length;
+
+        if (app.Saved && curCount < MAX_HS_COUNT)
         {
             app.Editor.Prompt("文件已保存!");
             return;
         }
-        let fileServer = FileServer.GetInstance() as FileServer;
+
-        let fileData = app.FileOut().Data;
+        let DB = app.Database;
+        let f = DB.FileWrite();
+        let vf = new CADFiler();
+        app.Viewer.CameraCtrl.WriteFile(vf);
+
+        if (curCount - curIndex <= MAX_HS_COUNT && curCount > MAX_HS_COUNT)
+        {
+            DB = new Database().FileRead(f);
+            const changeObjects = DB.hm.GetRangeChangeObject(curCount - MAX_HS_COUNT, curCount);
+
+            let deleteCount = DB.hm.historyRecord.splice(0, curCount - MAX_HS_COUNT).length;
+            DB.hm.curIndex -= deleteCount;
+
+            arrayRemoveIf(DB.ModelSpace.Entitys, e => e.IsErase && !changeObjects.has(e));
+            arrayRemoveIf(DB.TemplateTable.Objects, e => e.IsErase && !changeObjects.has(e));
+            arrayRemoveIf(DB.GroupTable.Objects, g =>
+            {
+                return !changeObjects.has(g) && (g.Entitys.length === 0 || g.Entitys.every(e => !e || (e.IsErase && !changeObjects.has(e.Object))));
+            });
+            f = DB.FileWrite();
+
+            AppToaster.show({
+                message: `清理了${deleteCount}条历史记录,剩余${DB.hm.historyRecord.length}条记录,可用PU命令清理全部历史记录!`,
+                timeout: 5000,
+                intent: Intent.SUCCESS,
+            });
+        }
+
+        f.Write(vf.Data);
+        let fileData = f.Data;
+
         let file = JSON.stringify(fileData);
 
         file = deflate(file);
         let logo = await uploadLogo(GetCurrentViewPreViewImage());
         if (!logo) return;
 
+        let fileServer = FileServer.GetInstance() as FileServer;
         if (fileServer.m_CurFileId)
         {
             await fileServer.UpdateFile({ file_id: fileServer.m_CurFileId, file, logo });

src/DatabaseServices/HistoricManage.ts

@@ -6,7 +6,7 @@ import { CommandHistoryRecord } from './CommandHistoryRecord';
 
 /**
  * 历史记录管理
- * 
+ *
  * 关于子命令标记:
  *  当子命令标记出现的时候,才允许出现局部撤销,否则命令执行中不允许撤销,触发命令重写了撤销和重做的事件.
  */
@@ -152,6 +152,14 @@ export class HistoricManage extends CADObject
         }
         return objects;
     }
+    GetRangeChangeObject(startIndex: number, endIndex: number): Set<CADObject>
+    {
+        let objects = new Set<CADObject>();
+        for (let i = startIndex; i < endIndex; i++)
+            for (let [id] of this.historyRecord[i].HistoryList)
+                objects.add(id.Object);
+        return objects;
+    }
 
     /**
      * 合并命令历史记录,因为命令记录器允许存在子记录,所以当命令结束时,应该把子记录合并到父记录中,子记录将被摧毁.