(core) Fixing multicolumn bug on a card view

Summary:
Fixing bug on a card view. Type selector was always showing
'mixed type' value.

Test Plan: Updated

Reviewers: georgegevoian

Reviewed By: georgegevoian

Differential Revision: https://phab.getgrist.com/D3704

app/client/ui/RightPanel.ts

@@ -193,7 +193,11 @@ export class RightPanel extends Disposable {
 
     const selectedColumns = owner.autoDispose(ko.computed(() => {
       const vsi = this._gristDoc.viewModel.activeSection?.().viewInstance();
-      return vsi && vsi.selectedColumns ? vsi.selectedColumns() : null;
+      if (vsi && vsi.selectedColumns) {
+        return vsi.selectedColumns();
+      }
+      const field = fieldBuilder()?.field;
+      return field ? [field] : [];
     }));
 
     const isMultiSelect = owner.autoDispose(ko.pureComputed(() => {

test/nbrowser/MultiColumn.ts

@@ -61,6 +61,18 @@ describe('MultiColumn', function() {
       }
     });
 
+    it('should not work on card view', async () => {
+      await gu.changeWidget('Card');
+      await gu.openColumnPanel();
+      assert.notEqual(await gu.getType(), "Mixed types");
+      await gu.openColumnPanel();
+      // Should be able to change type.
+      await gu.getDetailCell('Test1', 1);
+      await gu.enterCell("aa");
+      await gu.setType("Integer", {apply: true});
+      assert.equal(await gu.getType(), "Integer");
+    });
+
     it('should undo color change', async () => {
       // This is test for a bug, colors were not saved when "click outside" was done by clicking
       // one of the cells.

test/nbrowser/gristUtils.ts

@@ -1103,6 +1103,13 @@ export async function selectWidget(
   await waitForServer();
 }
 
+export async function changeWidget(type: string) {
+  await openWidgetPanel();
+  await driver.findContent('.test-right-panel button', /Change Widget/).click();
+  await selectWidget(type);
+  await waitForServer();
+}
+
 /**
  * Toggle elem if not selected. Expects elem to be clickable and to have a class ending with
  * -selected when selected.
@@ -1329,6 +1336,14 @@ export async function openWidgetPanel() {
   await driver.find('.test-right-tab-pagewidget').click();
 }
 
+/**
+ * Opens a Creator Panel on Widget/Table settings tab.
+ */
+ export async function openColumnPanel() {
+  await toggleSidePanel('right', 'open');
+  await driver.find('.test-right-tab-field').click();
+}
+
 /**
  * Moves a column from a hidden to visible section.
  * Needs a visible Creator panel.
@@ -1521,13 +1536,17 @@ export async function deleteColumn(col: IColHeader|string) {
 /**
  * Sets the type of the currently selected field to value.
  */
-export async function setType(type: RegExp|string, options: {skipWait?: boolean} = {}) {
+export async function setType(type: RegExp|string, options: {skipWait?: boolean, apply?: boolean} = {}) {
   await toggleSidePanel('right', 'open');
   await driver.find('.test-right-tab-field').click();
   await driver.find('.test-fbuilder-type-select').click();
   type = typeof type === 'string' ? exactMatch(type) : type;
   await driver.findContentWait('.test-select-menu .test-select-row', type, 500).click();
-  if (!options.skipWait) { await waitForServer(); }
+  if (!options.skipWait || options.apply) { await waitForServer(); }
+  if (options.apply) {
+    await driver.findWait('.test-type-transform-apply', 1000).click();
+    await waitForServer();
+  }
 }
 
 /**