#5372 - toggling between flex and sequence modes causes loosing layou…

…t info

packages/ketcher-core/src/application/editor/modes/FlexMode.ts

@@ -3,6 +3,9 @@ import { BaseMode } from 'application/editor/modes/internal';
 import { CoreEditor } from '../Editor';
 import { Coordinates } from '../internal';
 import { Command } from 'domain/entities/Command';
+import { RenderersManager } from 'application/render/renderers/RenderersManager';
+import { ZoomTool } from '../tools';
+import { Vec2 } from 'domain/entities';
 export class FlexMode extends BaseMode {
   constructor(previousMode?: LayoutMode) {
     super('flex-layout-mode', previousMode);
@@ -19,6 +22,14 @@ export class FlexMode extends BaseMode {
 
     editor.renderersContainer.update(modelChanges);
 
+    const drawnEntitiesBoundingBox =
+      RenderersManager.getRenderedStructuresBbox();
+    const zoom = ZoomTool.instance;
+
+    zoom.scrollTo(
+      new Vec2(drawnEntitiesBoundingBox.left, drawnEntitiesBoundingBox.top),
+    );
+
     return command;
   }
 

packages/ketcher-core/src/application/editor/modes/SequenceMode.ts

@@ -101,7 +101,7 @@ export class SequenceMode extends BaseMode {
 
     const modelChanges = editor.drawingEntitiesManager.reArrangeChains(
       editor.canvas.width.baseVal.value,
-      true,
+      false,
       false,
     );
     const zoom = ZoomTool.instance;