Contrasting (parentSelectionChanged) with (selectionChanged) in AG Grid

I'm finding the ag grid definition below to be a bit confusing. Can anyone clarify for me the difference between (parentSelectionChanged) and (selectionChanged) in the two code blocks provided?

Thank you!

 <div class="grid-wrapper">
    <app-atlas-grid
      [rowData]="rowData"
      [columnDefs]="columnDefs"
      [floatingFilter]="true"
      [enableFilterComponent]="true"
      [contextMenuItems]="searchGridContextMenu"
      [pagination]="true"
      (parentSelectionChanged)="onSelectionChangedGrid($event)"
      (parentOnGridReady)="onGridReady($event)"
      [paginationPageSize]=20
      [context]="context"
      style="height: 720px;"
    >
    </app-atlas-grid>
  </div>

 <div class="grid-wrapper">
    <app-atlas-grid
      [rowData]="rowData"
      [columnDefs]="columnDefs"
      [floatingFilter]="true"
      [enableFilterComponent]="true"
      [contextMenuItems]="searchGridContextMenu"
      [pagination]="true"
      (selectionChanged)="onSelectionChangedGrid($event)"
      (parentOnGridReady)="onGridReady($event)"
      [paginationPageSize]=20
      [context]="context"
      style="height: 720px;"
    >
    </app-atlas-grid>
  </div>
angulartypescriptag-grid-angular

Answer №1

If you're unsure about the specific version of ag-grid you are using, keep in mind that in the latest update, version 21.x, the method parentSelectionChanged may not actually be a valid function anymore. It's possible that you are working with a version where both methods exist but one is considered outdated.

To clarify this confusion, you can explore the code within the node_modules directory to inspect the actual implementation in ag grid. Additionally, many IDEs provide functionality to easily navigate to the definition of methods or properties by simply clicking on them, even if they are part of dependencies in node modules.

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