How to resolve the issue of a sticky header not functioning properly with a resizable column in Primeng

Question

How to resolve the issue of a sticky header not functioning properly with a resizable column in Primeng

Currently, I am facing an issue while trying to incorporate both column resize functionality and sticky header in my table. Interestingly, the sticky header feature works perfectly fine when used alone without the column resize. However, when I attempt to implement both, the column resize functionality works properly but the sticky header fails to function.

To achieve the sticky header effect, I applied the following CSS styles provided by primeng:

:host ::ng-deep .ui-table .ui-table-thead > tr > th {
        position: -webkit-sticky;
        position: sticky;
        top: 70px;
    }

    @media screen and (max-width: 64em) {
        :host ::ng-deep .ui-table .ui-table-thead > tr > th {
            top: 100px;
        }
    }

For enabling column resize, I utilized the code snippet [resizableColumns]="true" and pResizableColumn:

<p-table [columns]="cols" [value]="cars1" [resizableColumns]="true">
    ...
     <th *ngFor="let col of columns" pResizableColumn>

Interestingly, upon removing the resizbleColumns attribute and the pResizableColumn directive, the sticky header functions correctly. How can I ensure that both features work harmoniously together? You can also find a working example on StackBlitz and see the Demo.

html css angular primeng primeng-datatable

Answer 1

Answer №1

When you enable resizable p-table columns, add the ui-table-resizable class. This will reset some CSS properties, one of which is the position of the th, causing you to lose sticky functionality.

Implementing this solution should resolve the issue.

:host ::ng-deep .ui-table .ui-table-thead > tr > th {
  position: -webkit-sticky;
  position: sticky;
  background: blue;
  color: white;
  top: 0px;
  z-index: 1;
}

:host ::ng-deep .ui-table-resizable > .ui-table-wrapper {
  overflow-x: initial !important;
}

:host ::ng-deep .ui-table-resizable .ui-resizable-column {
  position: sticky !important;
}

@media screen and (max-width: 64em) {
  :host ::ng-deep .ui-table .ui-table-thead > tr > th {
    top: 0px;
  }
}

View demo

Updated!

Adding styles in the component decorator is not reusable. Following the PrimeNG theme recommendation for creating custom styles, we can utilize the following approach:

style.scss

.sticky-table {

      &.ui-table .ui-table-thead > tr > th {
        position: -webkit-sticky;
        position: sticky !important;
        background: blue;
        color: white;
        top: 0px;
        z-index: 1;
      }

     &.ui-table-resizable > .ui-table-wrapper {
        overflow-x: initial !important;
      }

      &.ui-table-resizable .ui-resizable-column {
        position: sticky !important;
      }

      @media screen and (max-width: 64em) {
        .ui-table .ui-table-thead > tr > th {
          top: 0px;
        }
      }
      
}

template

<p-table styleClass="sticky-table" [columns]="cols" [value]="cars [resizableColumns]="true">
....
</p-table>

View demo

Answer 2

When you enable resizable p-table columns, add the ui-table-resizable class. This will reset some CSS properties, one of which is the position of the th, causing you to lose sticky functionality.

Implementing this solution should resolve the issue.

:host ::ng-deep .ui-table .ui-table-thead > tr > th {
  position: -webkit-sticky;
  position: sticky;
  background: blue;
  color: white;
  top: 0px;
  z-index: 1;
}

:host ::ng-deep .ui-table-resizable > .ui-table-wrapper {
  overflow-x: initial !important;
}

:host ::ng-deep .ui-table-resizable .ui-resizable-column {
  position: sticky !important;
}

@media screen and (max-width: 64em) {
  :host ::ng-deep .ui-table .ui-table-thead > tr > th {
    top: 0px;
  }
}

View demo

Updated!

Adding styles in the component decorator is not reusable. Following the PrimeNG theme recommendation for creating custom styles, we can utilize the following approach:

style.scss

.sticky-table {

      &.ui-table .ui-table-thead > tr > th {
        position: -webkit-sticky;
        position: sticky !important;
        background: blue;
        color: white;
        top: 0px;
        z-index: 1;
      }

     &.ui-table-resizable > .ui-table-wrapper {
        overflow-x: initial !important;
      }

      &.ui-table-resizable .ui-resizable-column {
        position: sticky !important;
      }

      @media screen and (max-width: 64em) {
        .ui-table .ui-table-thead > tr > th {
          top: 0px;
        }
      }
      
}

template

<p-table styleClass="sticky-table" [columns]="cols" [value]="cars [resizableColumns]="true">
....
</p-table>

View demo

Answer 3

Answer №2

In case anyone is still looking for a solution:

:host ::ng-deep .p-datatable .p-datatable-wrapper {
    overflow-x: initial;
}

By incorporating the above code, I managed to resolve the issue at hand.

Answer 4

In case anyone is still looking for a solution:

:host ::ng-deep .p-datatable .p-datatable-wrapper {
    overflow-x: initial;
}

By incorporating the above code, I managed to resolve the issue at hand.

Answer 5

Answer №3

:host ::ng-deep .p-datatable .p-datatable-thead > tr > th {
        position: -webkit-sticky;
        position: sticky;
        background: blue;
        color: white;
        top: 0px;
        z-index: 1;
      }
      
      :host ::ng-deep .p-datatable-resizable > .p-datatable-wrapper {
        overflow-x: initial !important;
      }
      
      :host ::ng-deep .p-datatable-resizable .ui-resizable-column {
        position: sticky !important;
      }
      
      @media screen and (max-width: 64em) {
        :host ::ng-deep .p-datatable .p-datatable-thead > tr > th {
          top: 0px;
        }
      }

Answer 6

:host ::ng-deep .p-datatable .p-datatable-thead > tr > th {
        position: -webkit-sticky;
        position: sticky;
        background: blue;
        color: white;
        top: 0px;
        z-index: 1;
      }
      
      :host ::ng-deep .p-datatable-resizable > .p-datatable-wrapper {
        overflow-x: initial !important;
      }
      
      :host ::ng-deep .p-datatable-resizable .ui-resizable-column {
        position: sticky !important;
      }
      
      @media screen and (max-width: 64em) {
        :host ::ng-deep .p-datatable .p-datatable-thead > tr > th {
          top: 0px;
        }
      }

Answer 7

Answer №4

Kindly refer to the code snippet provided:

<ng-container *ngFor="let item of items">
{{ item.name }}
</ng-container>

Answer 8

Kindly refer to the code snippet provided:

<ng-container *ngFor="let item of items">
{{ item.name }}
</ng-container>

Answer 9

Answer №5

I previously had successfully implemented sticky Table Headers without the ability to resize them. However, once I added resizing functionality, the headers no longer stuck as intended.

After some adjustments on my small datatable (p-datatable-sm), I managed to fix the issue. I believe this solution can also work for normal size datatables with the appropriate CSS class.

Using Angular v15.1 and primeng 15.2

This is how I fixed it:

:host ::ng-deep .p-datatable-sm .p-resizable-column {
    position: sticky !important;
}

Explanation:

.p-datatable-resizable-table>.p-datatable-thead>tr>th.p-resizable-column:not(.p-frozen-column)

The above code adds:

position:relative

and the following code overwrites that setting:

:host ::ng-deep .p-datatable-sm .p-resizable-column {
    position: sticky !important;
}

This resolved the sticking issue in my case.

Answer 10

I previously had successfully implemented sticky Table Headers without the ability to resize them. However, once I added resizing functionality, the headers no longer stuck as intended.

After some adjustments on my small datatable (p-datatable-sm), I managed to fix the issue. I believe this solution can also work for normal size datatables with the appropriate CSS class.

Using Angular v15.1 and primeng 15.2

This is how I fixed it:

:host ::ng-deep .p-datatable-sm .p-resizable-column {
    position: sticky !important;
}

Explanation:

.p-datatable-resizable-table>.p-datatable-thead>tr>th.p-resizable-column:not(.p-frozen-column)

The above code adds:

position:relative

and the following code overwrites that setting:

:host ::ng-deep .p-datatable-sm .p-resizable-column {
    position: sticky !important;
}

This resolved the sticking issue in my case.

How to resolve the issue of a sticky header not functioning properly with a resizable column in Primeng

Answer №1

Answer №2

Answer №3

Answer №4

Answer №5

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