功能:在绘制直线和多段线时,支持Ctrl+Z

src/Add-on/DrawLine.ts

@@ -1,3 +1,4 @@
+import hotkeys from 'hotkeys-js';
 import { Vector3 } from 'three';
 import { app } from '../ApplicationServices/Application';
 import { Arc } from '../DatabaseServices/Entity/Arc';
@@ -34,6 +35,14 @@ export class DrawLine implements Command
             }
         }
 
+        const TempUndo = () =>
+        {
+            if (app.Editor.GetPointServices.IsReady)
+                app.Editor.GetPointServices.ReturnKeyword("U");//放弃
+        };
+
+        hotkeys("Control+Z", hotkeys.getScope(), TempUndo);
+
         let drawLines: Line[] = [];
         while (true)
         {
@@ -106,6 +115,8 @@ export class DrawLine implements Command
             else
                 break;
         }
+
+        hotkeys.unbind("Control+Z", hotkeys.getScope(), TempUndo);
     }
 }
 

src/Add-on/DrawPolyline.ts

@@ -1,11 +1,12 @@
+import hotkeys from 'hotkeys-js';
 import { Vector2, Vector3 } from 'three';
 import { app } from '../ApplicationServices/Application';
 import { getCirAngleByChordAndTangent } from '../Common/CurveUtils';
-import { GetPointPrompt } from "../Editor/PromptOptions";
 import { Polyline } from '../DatabaseServices/Entity/Polyline';
-import { PromptStatus } from '../Editor/PromptResult';
 import { JigUtils } from '../Editor/JigUtils';
-import { equalv3, AsVector2, AsVector3, ZeroVec } from '../Geometry/GeUtils';
+import { GetPointPrompt } from "../Editor/PromptOptions";
+import { PromptStatus } from '../Editor/PromptResult';
+import { AsVector2, AsVector3, equalv3, ZeroVec } from '../Geometry/GeUtils';
 
 enum PolylineModel
 {
@@ -34,6 +35,15 @@ export class DrawPolyline
         let keywords2 = keywords.concat([{ msg: "闭合", key: "C" }]);
         let nextOps: GetPointPrompt = { Msg: "请点击下一个点或", Callback, AllowNone: true };
 
+
+        const TempUndo = () =>
+        {
+            if (app.Editor.GetPointServices.IsReady)
+                app.Editor.GetPointServices.ReturnKeyword("U");//放弃
+        };
+
+        hotkeys("Control+Z", hotkeys.getScope(), TempUndo);
+
         while (true)
         {
             let ops: GetPointPrompt;
@@ -101,7 +111,9 @@ export class DrawPolyline
             else
                 break;
         }
-        JigUtils.End();
+
+        hotkeys.unbind("Control+Z", hotkeys.getScope(), TempUndo);
+
         if (pl.NumberOfVertices < 2)
         {
             app.LayoutTool.RemoveDatabaseSpace(pl);

src/Editor/GetPointServices.ts

@@ -464,7 +464,7 @@ export class GetPointServices implements EditorService
         return this.ReturnResult(retValue);
     }
 
-    protected ReturnKeyword(keyword: string)
+    ReturnKeyword(keyword: string)
     {
         let retValue = new PromptPointResult();
         retValue.Status = PromptStatus.Keyword;