common-ui/src/lib/listing/table/table.component.ts
2022-03-22 19:16:38 +02:00

103 lines
3.5 KiB
TypeScript

import {
ChangeDetectionStrategy,
ChangeDetectorRef,
Component,
EventEmitter,
forwardRef,
Inject,
Input,
OnChanges,
Output,
SimpleChanges,
TemplateRef,
ViewChild,
ViewContainerRef,
} from '@angular/core';
import { AutoUnsubscribe } from '../../utils';
import { IListable, ListingModes, TableColumnConfig } from '../models';
import { ListingComponent } from '../listing-component.directive';
import { EntitiesService } from '../services';
import { TableContentComponent } from '../table-content/table-content.component';
const SCROLLBAR_WIDTH = 11;
@Component({
selector: 'iqser-table [tableColumnConfigs] [itemSize]',
templateUrl: './table.component.html',
styleUrls: ['./table.component.scss'],
changeDetection: ChangeDetectionStrategy.OnPush,
})
export class TableComponent<T extends IListable> extends AutoUnsubscribe implements OnChanges {
readonly listingModes = ListingModes;
@Input() tableColumnConfigs!: readonly TableColumnConfig<T>[];
@Input() bulkActions?: TemplateRef<unknown>;
@Input() headerTemplate?: TemplateRef<unknown>;
@Input() itemSize!: number;
@Input() selectionEnabled = false;
@Input() hasScrollButton = false;
@Input() emptyColumnWidth?: string;
@Input() totalSize?: number;
@Input() classes?: string;
@Input() noDataText?: string;
@Input() noDataIcon?: string;
@Input() noDataButtonIcon?: string;
@Input() noDataButtonLabel?: string;
@Input() showNoDataButton = false;
@Input() noMatchText?: string;
@Input() tableItemClasses?: Record<string, (e: T) => boolean>;
@Input() itemMouseEnterFn?: (entity: T) => void;
@Input() itemMouseLeaveFn?: (entity: T) => void;
@Output() readonly noDataAction = new EventEmitter<void>();
@ViewChild(TableContentComponent, { static: true }) private readonly _tableContent!: TableContentComponent<T>;
constructor(
@Inject(forwardRef(() => ListingComponent)) readonly listingComponent: ListingComponent<T>,
private readonly _hostRef: ViewContainerRef,
private readonly _changeRef: ChangeDetectorRef,
readonly entitiesService: EntitiesService<T>,
) {
super();
}
get tableHeaderLabel(): string | undefined {
return this.listingComponent.tableHeaderLabel;
}
ngOnChanges(changes: SimpleChanges): void {
if (changes.tableColumnConfigs) {
this._setStyles();
}
}
scrollToLastIndex(): void {
this._tableContent.scrollToLastIndex();
}
private _setStyles(): void {
const element = this._hostRef.element.nativeElement as HTMLElement;
this._setColumnsWidth(element);
this._setItemSize(element);
this._changeRef.markForCheck();
}
private _setColumnsWidth(element: HTMLElement) {
let gridTemplateColumnsHover = '';
if (this.selectionEnabled) {
gridTemplateColumnsHover += '30px ';
}
for (const config of this.tableColumnConfigs) {
gridTemplateColumnsHover += `${config.width || '1fr'} `;
}
gridTemplateColumnsHover += this.emptyColumnWidth || '';
const gridTemplateColumns = `${gridTemplateColumnsHover} ${SCROLLBAR_WIDTH}px`;
element.style.setProperty('--gridTemplateColumns', gridTemplateColumns);
element.style.setProperty('--gridTemplateColumnsHover', gridTemplateColumnsHover);
}
private _setItemSize(element: HTMLElement) {
element.style.setProperty('--itemSize', `${this.itemSize}px`);
}
}