Arrange the columns in Angular Material Table in various directions

Is there a way to sort all columns in an Angular material table by descending order, while keeping the active column sorted in ascending order?

I have been trying to achieve this using the code below:

@ViewChild(MatSort) sort: MatSort;

<table matSort matSortActive="orderColumn">

this.dataSource.sort = this.sort;

const sortState: Sort = {active: 'orderColumn', direction: 'desc'};
this.sort.active = sortState.active;
this.sort.direction = 'desc';
this.sort.sortChange.emit(sortState);

I found this approach from a helpful answer on Stack Overflow, but unfortunately, it is not working as expected.

Your assistance is greatly appreciated!

Answer №1

When a mat-sort-header that is not currently active is clicked, it triggers _setAnimationTransitionState({fromState: '', toState: 'active'}) on the clicked mat-sort-header.

However, if matSort.sort({...}) is called programmatically, the mat-sort-header that should be activated does not invoke the _setAnimationTransitionState() function.

It seems like there could be an issue with the _rerenderSubscription() function.

Credits to Adgoncal for sharing a helpful solution on his stackblitz. https://stackblitz.com/edit/angular-vuvckf?file=app%2Ftable-overview-example.ts

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