@edugouvfr/ngx-dsfr
Version:
NgxDsfr est un portage Angular des éléments d'interface du Système de Design de l'État Français (DSFR).
89 lines • 13.1 kB
JavaScript
import { computed, Directive, effect, inject, Input, Renderer2, ViewContainerRef, } from '@angular/core';
import { SortButtonHeaderComponent } from '../component/sort-button.component';
import { DsfrColumnDirective } from './column.directive';
import * as i0 from "@angular/core";
/**
* Directive ajout du tri sur l'en-tête de colonne (icône et logique)
*/
export class DsfrSortColumnDirective extends DsfrColumnDirective {
constructor() {
super();
/**
* Calcul de la valeur de aria-sort sur la colonne selon le tri courant activeSort()
* @returns null / ascending / descending
*/
this.ariaSort = computed(() => {
const activeSort = this.table.dataTableService.activeSort();
if (activeSort && activeSort.field === this.col.field) {
return activeSort.order === 'ascending' ? 'ascending' : 'descending';
}
return null;
});
this.viewContainer = inject(ViewContainerRef);
this.renderer = inject(Renderer2);
effect(() => {
if (this.componentRef && this.componentRef.instance) {
// a la modification de aria-sort sur le th, appliquer également sur le bouton de tri
this.componentRef.setInput('ariaSort', this.ariaSort());
}
});
}
ngOnInit() {
if (this.col && this.col.sortable) {
this.componentRef = this.viewContainer.createComponent(SortButtonHeaderComponent);
this.componentRef.instance.field = this.col.field;
this.componentRef.instance.label = this.col.label;
this.subscription = this.componentRef.instance.sortChanged.subscribe((field) => {
this.applySort(field);
});
this.addWrappingElement(this.element.nativeElement, this.componentRef.location.nativeElement);
}
}
ngOnDestroy() {
this.subscription?.unsubscribe();
}
/**
* Appliquer le tri selon la colonne concernées et mise a jour de activeSort()
**/
applySort(colId) {
const currentSort = this.table.dataTableService.activeSort();
const activeSort = {
field: colId,
order: currentSort?.field === colId && currentSort?.order === 'ascending' ? 'descending' : 'ascending',
};
this.table.dataTableService.sortTable(activeSort);
this.table.onSortChange();
}
/**
* Ajouter une div wrapper fr-cell--sort autour des éléments pour style DSFR
* @param nativeElement composant <th>
* @param componentElement composant sort-buton
*/
addWrappingElement(nativeElement, componentElement) {
const wrapperDiv = this.renderer.createElement('div');
this.renderer.addClass(wrapperDiv, 'fr-cell--sort');
// Déplacer tous les enfants actuels du th dans le <div>
while (nativeElement.firstChild) {
this.renderer.appendChild(wrapperDiv, nativeElement.firstChild);
}
// Ajouter le <div> au <th>
this.renderer.appendChild(nativeElement, wrapperDiv);
// Ajouter le composant au <th>
this.renderer.appendChild(wrapperDiv, componentElement);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: DsfrSortColumnDirective, deps: [], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "18.2.13", type: DsfrSortColumnDirective, isStandalone: true, selector: "[dsfrColumn]", inputs: { col: ["dsfrColumn", "col"] }, host: { properties: { "attr.aria-sort": "ariaSort()" } }, usesInheritance: true, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: DsfrSortColumnDirective, decorators: [{
type: Directive,
args: [{
selector: '[dsfrColumn]',
standalone: true,
// eslint-disable-next-line @angular-eslint/no-host-metadata-property
host: { '[attr.aria-sort]': 'ariaSort()' },
}]
}], ctorParameters: () => [], propDecorators: { col: [{
type: Input,
args: ['dsfrColumn']
}] } });
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'ascending' : 'descending';\n    }\n\n    return null;\n  });\n\n  private componentRef: ComponentRef<SortButtonHeaderComponent>;\n  private subscription: Subscription;\n\n  private readonly viewContainer = inject(ViewContainerRef);\n  private readonly renderer = inject(Renderer2);\n\n  constructor() {\n    super();\n    effect(() => {\n      if (this.componentRef && this.componentRef.instance) {\n        // a la modification de aria-sort sur le th, appliquer également sur le bouton de tri\n        this.componentRef.setInput('ariaSort', this.ariaSort());\n      }\n    });\n  }\n\n  public ngOnInit() {\n    if (this.col && this.col.sortable) {\n      this.componentRef = this.viewContainer.createComponent<SortButtonHeaderComponent>(SortButtonHeaderComponent);\n      this.componentRef.instance.field = this.col.field;\n      this.componentRef.instance.label = this.col.label;\n\n      this.subscription = this.componentRef.instance.sortChanged.subscribe((field: string) => {\n        this.applySort(field);\n      });\n\n      this.addWrappingElement(this.element.nativeElement, this.componentRef.location.nativeElement);\n    }\n  }\n\n  public ngOnDestroy() {\n    this.subscription?.unsubscribe();\n  }\n\n  /**\n   * Appliquer le tri selon la colonne concernées et mise a jour de activeSort()\n   **/\n  private applySort(colId: string) {\n    const currentSort = this.table.dataTableService.activeSort();\n    const activeSort: DsfrSortColumn = {\n      field: colId,\n      order: currentSort?.field === colId && currentSort?.order === 'ascending' ? 'descending' : 'ascending',\n    };\n\n    this.table.dataTableService.sortTable(activeSort);\n    this.table.onSortChange();\n  }\n\n  /**\n   * Ajouter une div wrapper fr-cell--sort autour des éléments pour style DSFR\n   * @param nativeElement composant <th>\n   * @param componentElement composant sort-buton\n   */\n  private addWrappingElement(nativeElement: HTMLElement, componentElement: HTMLElement) {\n    const wrapperDiv = this.renderer.createElement('div');\n    this.renderer.addClass(wrapperDiv, 'fr-cell--sort');\n\n    // Déplacer tous les enfants actuels du th dans le <div>\n    while (nativeElement.firstChild) {\n      this.renderer.appendChild(wrapperDiv, nativeElement.firstChild);\n    }\n\n    // Ajouter le <div> au <th>\n    this.renderer.appendChild(nativeElement, wrapperDiv);\n\n    // Ajouter le composant au <th>\n    this.renderer.appendChild(wrapperDiv, componentElement);\n  }\n}\n"]}