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IsEmptyFilterOperatorComponent

Component

Represents the IsEmpty (Is empty) filter operator for the TreeList. Use this operator to filter values that are empty. See example. For more information and examples, refer to the article on setting default filter operators.

Definition

Package:@progress/kendo-angular-treelist

Selector:kendo-treelist-filter-isempty-operator

Syntax:

html
<kendo-treelist-column field="name" title="Name">
  <ng-template kendoTreeListFilterCellTemplate let-filter let-column="column">
    <kendo-treelist-string-filter-cell
      [column]="column"
      [filter]="filter">
      <kendo-treelist-filter-isempty-operator></kendo-treelist-filter-isempty-operator>
    </kendo-treelist-string-filter-cell>
  </ng-template>
</kendo-treelist-column>
html
<kendo-treelist-column field="name" title="Name">
  <ng-template kendoTreeListFilterMenuTemplate let-filter let-column="column" let-filterService="filterService">
    <kendo-treelist-string-filter-menu
      [column]="column"
      [filter]="filter"
      [filterService]="filterService">
      <kendo-treelist-filter-isempty-operator></kendo-treelist-filter-isempty-operator>
    </kendo-treelist-string-filter-menu>
  </ng-template>
</kendo-treelist-column>

Fields

text

string

The text displayed in the drop-down list for the filter operator.