From f22953f3f2c0c4eeaa0387e3f2b30fa2a75c7a0b Mon Sep 17 00:00:00 2001
From: Yuan <yuanliyedefy@gmail.com>
Date: Tue, 20 Jun 2023 17:38:27 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8C=BA=E6=AE=B5=E5=8F=98=E6=8D=A2=E6=95=B0?=
 =?UTF-8?q?=E6=8D=AE?=
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---
 src/graphics/section/Section.ts              |  3 +++
 src/graphics/section/SectionDrawAssistant.ts | 18 ++++++++++++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/graphics/section/Section.ts b/src/graphics/section/Section.ts
index b7272ff..c83c6b0 100644
--- a/src/graphics/section/Section.ts
+++ b/src/graphics/section/Section.ts
@@ -47,6 +47,9 @@ export class Section extends JlGraphic implements ILineGraphic {
     this.labelGraphic.setVectorFontSize(14);
     this.labelGraphic.anchor.set(0.5);
     this.labelGraphic.style.fill = '#0f0';
+    this.labelGraphic.transformSave = true;
+    this.labelGraphic.name = 'label';
+    this.transformSave = true;
     this.addChild(this.lineGraphic);
     this.addChild(this.labelGraphic);
   }
diff --git a/src/graphics/section/SectionDrawAssistant.ts b/src/graphics/section/SectionDrawAssistant.ts
index 030c596..f0f81bc 100644
--- a/src/graphics/section/SectionDrawAssistant.ts
+++ b/src/graphics/section/SectionDrawAssistant.ts
@@ -1,8 +1,10 @@
 import {
+  ChildTransform,
   DraggablePoint,
   GraphicApp,
   GraphicDrawAssistant,
   GraphicInteractionPlugin,
+  GraphicTransform,
   GraphicTransformEvent,
   JlDrawApp,
   JlGraphic,
@@ -86,6 +88,20 @@ export class SectionDraw extends GraphicDrawAssistant<
   prepareData(data: ISectionData): boolean {
     data.points = this.points;
     data.code = 'G000';
+    data.childTransforms?.push(
+      new ChildTransform(
+        'label',
+        new GraphicTransform(
+          {
+            x: data.points[1].x - data.points[0].x,
+            y: data.points[1].y - data.points[0].y + 20,
+          },
+          { x: 0, y: 0 },
+          0,
+          { x: 0, y: 0 }
+        )
+      )
+    );
 
     return true;
   }
@@ -215,8 +231,6 @@ export class SectionPointEditPlugin extends GraphicInteractionPlugin<Section> {
     g.labelGraphic.eventMode = 'static';
     g.labelGraphic.cursor = 'pointer';
     g.labelGraphic.draggable = true;
-    g.labelGraphic.transformSave = true;
-    g.labelGraphic.name = 'label';
     g.on('selected', this.onSelected, this);
     g.on('unselected', this.onUnselected, this);
   }