修正new命令无法触发的问题

src/Add-on/Save.ts

@@ -43,20 +43,34 @@ export class Save implements Command
 
 export class New implements Command
 {
+    NoHistory = true;
     async exec()
     {
         let server = FileServer.GetInstance() as FileServer;
-        if (server.m_CurFileId)
+
+        if (server.m_CurFileId === undefined) //TODO: 或者 如果图纸未保存则提醒保存
         {
-            server.m_CurFileId = undefined;
-            app.CreateDocument();
-            RightPanelStore.GetInstance().lightStore.InitScene();
+            let res = await app.Editor.GetKeyWords({
+                Msg: "当前图纸未保存,是否放弃当前图纸继续新建?",
+                KeyWordList: [
+                    { key: "Y", msg: "是" },
+                    { key: "N", msg: "否" },
+                ],
+                Default: "N"
+            });
+            if (res.StringResult !== "Y")
+                return;
         }
+
+        server.m_CurFileId = undefined;
+        app.CreateDocument();
+        RightPanelStore.GetInstance().lightStore.InitScene();
     }
 }
 
 export class SaveAs implements Command
 {
+    NoHistory = true;
     async exec()
     {
         let fileData = app.FileOut().Data;
@@ -66,6 +80,7 @@ export class SaveAs implements Command
 
 export class SaveAsBinary implements Command
 {
+    NoHistory = true;
     async exec()
     {
         let fileData = app.FileOut2().Data;

src/Editor/GetKeyWordService.tsx

@@ -91,7 +91,14 @@ export class GetKeyWordsServices implements EditorService
             //初始化状态
             this.keywordList = prompt.KeyWordList;
             this.UpdateContextMenuPosition();
-            this.selectIndex = 0;
+            if (prompt.Default)
+            {
+                let index = this.keywordList.findIndex(k => k.key === prompt.Default);
+                if (index === -1) index = 0;
+                this.selectIndex = index;
+            }
+            else
+                this.selectIndex = 0;
             this.ed.InputState |= InputState.GetKeyWord;
             this.IsReady = true;
             this.prompt = prompt.Msg;