Preserve shared schema editor mode on text loads

Author: eviltester

packages/core-ui/js/gui_components/shared/test-data/schema/shared-schema-editor-controller.js

@@ -522,7 +522,8 @@ function createSharedSchemaEditorController({
     }
   };
 
-  const loadSchemaText = (schemaText, { showErrors = true, preferRowMode = true } = {}) => {
+  const loadSchemaText = (schemaText, { showErrors = true, preferRowMode } = {}) => {
+    const previousTextMode = session.getTextMode();
     const textArea = getTextElement();
     if (textArea) {
       textArea.value = String(schemaText ?? '');
@@ -535,11 +536,14 @@ function createSharedSchemaEditorController({
       return { ...parsed, applied: false };
     }
 
-    if (preferRowMode) {
+    const shouldUseRowMode = preferRowMode === undefined ? !previousTextMode : Boolean(preferRowMode);
+
+    if (shouldUseRowMode) {
       session.setTextMode(false);
       updateModeView();
       applySemanticValidationForAllRows();
     } else {
+      session.setTextMode(true);
       updateModeView();
     }
 

packages/core-ui/src/tests/shared/shared-schema-definition-view.test.js

@@ -539,6 +539,20 @@ IF [Priority] = "high" THEN [Status] = "open" ENDIF`;
     expect(within(document.body).getByDisplayValue('Loaded Status')).toBeTruthy();
   });
 
+  test('loadSchemaText preserves text mode by default for existing callers', () => {
+    const component = createComponent();
+
+    fireEvent.click(document.querySelector('[data-role="schema-mode-toggle"]'));
+
+    expect(document.querySelector('[data-role="schema-text-region"]').style.display).toBe('block');
+
+    component.loadSchemaText('Loaded Name\nliteral(Ada)', { showErrors: true });
+
+    expect(document.querySelector('[data-role="schema-text-region"]').style.display).toBe('block');
+    expect(document.querySelector('[data-role="schema-rows-region"]').style.display).toBe('none');
+    expect(document.querySelector('[data-role="schema-textbox"]').value).toBe('Loaded Name\nliteral(Ada)');
+  });
+
   test('load schema file action surfaces schema parse errors and keeps the loaded text visible', async () => {
     createComponent({
       services: {