I am currently utilizing the treeTable component from primeNG. My query is regarding how to customize the default expand and collapse icons.
Although I attempted to make adjustments, I am uncertain if my approach is correct. What I aim to achieve is simply replacing the built-in expand/collapse icons with plus/minus symbols. Can someone guide me on how to proceed?
My attempts at customization have not yielded the desired results so far.
Below are the steps to update the icons using CSS:
::ng-deep .pi-chevron-right:before {
content: "\e90d";
}
::ng-deep .pi-chevron-down:before {
content: "\e90f";
}
Check out the demo for reference.
For those utilizing primeng 16, a useful template customization can be implemented as shown below:
<ng-template pTemplate="togglericon" let-open>
<span *ngIf="open" class="pi pi-minus"></span>
<span *ngIf="!open" class="pi pi-plus"></span>
</ng-template>
This code snippet should be inserted within your p-treetable element.
The 'let-open' syntax provides access to the implicit boolean value of the context, which can be renamed as desired.
While this customization is confirmed to work on primeng 16, its compatibility with earlier versions has not been verified.
Detailed information on template customizations can be found in the API documentation:
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