### File

`src/lib/table-row-actions/table-row-header-action.directive.ts`

### Extends

`AbstractTableRowAction`

### Implements

`OnInit` `OnDestroy`

### Metadata

Selector | `button[rxapTableRowHeaderAction]`
Standalone | `true`

### Index

###### Properties
Public Readonly isHeader Protected options Public Abstract type
###### Methods
Protected getElementList Public Async execute Public onClick Public onConfirmed Protected setButtonDisabled Protected setButtonEnabled
###### Inputs
rxapTableRowHeaderAction

### Constructor

`constructor(renderer: Renderer2, overlay: Overlay, elementRef: ElementRef, actionMethod: TableRowActionMethod<Data>, cdr: ChangeDetectorRef, vcr: ViewContainerRef, tableDataSourceDirective: TableDataSourceDirective, snackBar: MatSnackBar, matButton: MatButton | null, matTooltip: MatTooltip | null, injector: Injector, selectRowService: SelectRowService<Data> | null)`
Defined in src/lib/table-row-actions/table-row-header-action.directive.ts:43
Parameters :
Name | Type | Optional
renderer | `Renderer2` | No
overlay | `Overlay` | No
elementRef | `ElementRef` | No
actionMethod | `TableRowActionMethod<Data>` | No
cdr | `ChangeDetectorRef` | No
vcr | `ViewContainerRef` | No
tableDataSourceDirective | `TableDataSourceDirective` | No
snackBar | `MatSnackBar` | No
matButton | `MatButton | null` | No
matTooltip | `MatTooltip | null` | No
injector | `Injector` | No
selectRowService | `SelectRowService<Data> | null` | No

### Inputs

rxapTableRowHeaderAction
Type : `string`
Required : true
Defined in src/lib/table-row-actions/table-row-header-action.directive.ts:122

### Methods

Protected getElementList
`getElementList()`
Inherited from `AbstractTableRowAction`
Defined in `AbstractTableRowAction:114`
Returns : `Data[]`

Public Async execute
`execute()`
Inherited from `AbstractTableRowAction`
Defined in `AbstractTableRowAction:155`
Returns : `Promise<void>`

Public onClick
`onClick($event: Event)`
Decorators : `@HostListener('click', ['$event'])`
Inherited from `AbstractTableRowAction`
Defined in `AbstractTableRowAction:141`
Parameters :
Name | Type | Optional
$event | `Event` | No
Returns : `any`

Public onConfirmed
`onConfirmed()`
Decorators : `@HostListener('confirmed')`
Inherited from `AbstractTableRowAction`
Defined in `AbstractTableRowAction:136`
Returns : `Promise<void>`

Protected setButtonDisabled
`setButtonDisabled()`
Inherited from `AbstractTableRowAction`
Defined in `AbstractTableRowAction:197`
Disables the action. If the button is pressed the action is NOT executed Hint: the button is set to disabled = true to prevent any conflict with extern button enable features linke : rxapHasEnablePermission Returns : `void`

Protected setButtonEnabled
`setButtonEnabled()`
Inherited from `AbstractTableRowAction`
Defined in `AbstractTableRowAction:209`
Enables the action. If the button is pressed the action is executed TODO : find a way to communicate the disabled state between the features Hint: the button is set to disabled = false to prevent any conflict with extern button enable features linke : rxapHasEnablePermission Returns : `void`

### Properties

Public Readonly isHeader
Default value : `true`
Inherited from `AbstractTableRowAction`
Defined in `AbstractTableRowAction:41`

Protected options
Type : `TableActionMethodOptions | null`
Default value : `null`
Inherited from `AbstractTableRowAction`
Defined in `AbstractTableRowAction:63`

Public Abstract type
Type : `string`
Inherited from `AbstractTableRowAction`
Defined in `AbstractTableRowAction:47`

    import { Overlay } from '@angular/cdk/overlay';
    import {
      ChangeDetectorRef,
      Directive,
      ElementRef,
      Inject,
      INJECTOR,
      Injector,
      Input,
      OnDestroy,
      OnInit,
      Optional,
      Renderer2,
      ViewContainerRef,
    } from '@angular/core';
    import { MatButton } from '@angular/material/button';
    import { MatSnackBar } from '@angular/material/snack-bar';
    import { MatTooltip } from '@angular/material/tooltip';
    import { Subscription } from 'rxjs';
    import {
      map,
      startWith,
      tap,
    } from 'rxjs/operators';
    import { SelectRowService } from '../select-row/select-row.service';
    import { TableDataSourceDirective } from '../table-data-source.directive';
    import { AbstractTableRowAction } from './abstract-table-row-action';
    import { RXAP_TABLE_ROW_ACTION_METHOD } from './tokens';
    import { TableRowActionMethod } from './types';

    @Directive({
      selector: 'button[rxapTableRowHeaderAction]',
      standalone: true,
      // eslint-disable-next-line @angular-eslint/no-inputs-metadata-property
      inputs: [ 'errorMessage', 'successMessage', 'refresh', 'color' ],
    })
    export class TableRowHeaderActionDirective<Data extends Record<string, any>>
      extends AbstractTableRowAction<Data>
      implements OnInit, OnDestroy {

      public override readonly isHeader = true;

      private _subscription?: Subscription;

      constructor(
        @Inject(Renderer2)
          renderer: Renderer2,
        @Inject(Overlay)
          overlay: Overlay,
        @Inject(ElementRef)
          elementRef: ElementRef,
        @Inject(RXAP_TABLE_ROW_ACTION_METHOD)
          actionMethod: TableRowActionMethod<Data>,
        @Inject(ChangeDetectorRef)
          cdr: ChangeDetectorRef,
        @Inject(ViewContainerRef)
          vcr: ViewContainerRef,
        @Inject(TableDataSourceDirective)
          tableDataSourceDirective: TableDataSourceDirective,
        @Inject(MatSnackBar)
          snackBar: MatSnackBar,
        @Optional()
        @Inject(MatButton)
          matButton: MatButton | null,
        @Optional()
        @Inject(MatTooltip)
          matTooltip: MatTooltip | null,
        @Inject(INJECTOR)
          injector: Injector,
        @Optional()
        @Inject(SelectRowService)
        private readonly selectRowService: SelectRowService<Data> | null,
      ) {
        super(
          renderer,
          overlay,
          elementRef,
          actionMethod,
          cdr,
          vcr,
          tableDataSourceDirective,
          snackBar,
          matButton,
          matTooltip,
          injector,
        );
      }

      public override ngOnDestroy() {
        this._subscription?.unsubscribe();
      }

      public override ngOnInit() {
        if (this.selectRowService) {
          this._subscription = this.selectRowService.selectedRows$
                                   .pipe(
                                     startWith(this.selectRowService.selectedRows),
                                     map((rows) => rows.length !== 0),
                                     tap((hasSelected) => {
                                       if (hasSelected) {
                                         this.setButtonEnabled();
                                       } else {
                                         this.setButtonDisabled();
                                       }
                                       this.cdr.detectChanges();
                                     }),
                                   )
                                   .subscribe();
        } else {
          this.setButtonDisabled();
        }
      }

      protected override getElementList(): Data[] {
        return this.selectRowService?.selectedRows ?? [];
      }

      @Input({
        required: true,
        alias: 'rxapTableRowHeaderAction',
      })
      public override type!: string;
    }

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