Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | 1x 5x 5x 5x 5x 5x 6x 3x 3x 3x 3x 3x 3x 3x 3x 3x 1x 1x 49x 49x 49x 49x 49x 2x 2x 2x 2x 49x 42x 42x 42x 4x 38x 38x 2x 5x 5x 5x 5x | /**
* Copyright (c) Siemens 2016 - 2025
* SPDX-License-Identifier: MIT
*/
import {
booleanAttribute,
Directive,
ElementRef,
HostBinding,
HostListener,
inject,
input,
OnDestroy,
OnInit
} from '@angular/core';
import { DatatableComponent } from '@siemens/ngx-datatable';
@Directive({
selector: 'ngx-datatable[siDatatableInteraction]',
exportAs: 'si-datatable-interaction'
})
export class SiDatatableInteractionDirective implements OnDestroy, OnInit {
private table = inject(DatatableComponent, { self: true });
/**
* Automatically select every row or cell that is navigated trough.
* Is ignored unless `selectionType` is `single` or `cell`.
*
* @defaultValue false
*/
readonly datatableInteractionAutoSelect = input(false, { transform: booleanAttribute });
@HostBinding('attr.tabindex') protected tabIndex = '0';
private element: HTMLElement = inject(ElementRef).nativeElement;
private tableBody?: HTMLElement;
private autoSelectTimeout: any;
private isMousedown = false;
@HostListener('keydown', ['$event'])
protected onKeydown(event: KeyboardEvent): void {
if (event.key === 'ArrowDown') {
const first =
this.table.selectionType === 'cell'
? this.element.querySelector(
'.datatable-row-wrapper > .datatable-body-row .datatable-body-cell'
)
: this.element.querySelector('.datatable-row-wrapper > .datatable-body-row');
if (first) {
(first as HTMLElement).focus();
event.preventDefault();
}
} else if (event.key === 'ArrowUp') {
const last =
this.table.selectionType === 'cell'
? this.element.querySelector(
'.datatable-row-wrapper:last-child > .datatable-body-row .datatable-body-cell'
)
: this.element.querySelector('.datatable-row-wrapper:last-child > .datatable-body-row');
if (last) {
(last as HTMLElement).focus();
event.preventDefault();
}
}
}
@HostListener('mousedown', ['$event'])
protected onMousedown(event: MouseEvent): void {
this.isMousedown = true;
}
@HostListener('mouseup', ['$event'])
protected onMouseup(event: MouseEvent): void {
this.isMousedown = false;
}
@HostListener('focusin', ['$event'])
protected onFocusin(event: FocusEvent): void {
const target = event.target as HTMLElement;
Iif (!target) {
return;
}
clearTimeout(this.autoSelectTimeout);
// Re-select on every element
const selectionType = this.table.selectionType;
if (
!this.isMousedown &&
this.datatableInteractionAutoSelect() &&
(selectionType === 'single' || selectionType === 'cell')
) {
const rowOrCell = target.closest(
selectionType === 'cell' ? 'datatable-body-cell' : 'datatable-body-row'
);
Iif (!rowOrCell) {
return;
}
this.autoSelectTimeout = setTimeout(() => {
rowOrCell.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter', keyCode: 13 }));
}, 100);
}
if (this.table.virtualization) {
if (this.tableBody) {
const lastList =
selectionType === 'cell'
? this.tableBody.querySelectorAll(
'.datatable-row-wrapper:last-child > .datatable-body-row .datatable-body-cell'
)
: this.tableBody.querySelectorAll(
'.datatable-row-wrapper:last-child > .datatable-body-row'
);
if (Array.from(lastList).includes(target)) {
this.tableBody.scrollTop = this.tableBody.scrollTop + lastList[0].clientHeight;
} else {
const firstList =
selectionType === 'cell'
? this.tableBody.querySelectorAll(
'.datatable-row-wrapper:first-child > .datatable-body-row .datatable-body-cell'
)
: this.tableBody.querySelectorAll(
'.datatable-row-wrapper:first-child > .datatable-body-row'
);
if (Array.from(firstList).includes(target)) {
this.tableBody.scrollTop = this.tableBody.scrollTop - firstList[0].clientHeight;
}
}
}
}
}
ngOnInit(): void {
this.tableBody = this.element.querySelector('datatable-body') as HTMLElement;
if (this.tableBody) {
this.tableBody.tabIndex = -1;
}
}
ngOnDestroy(): void {
clearTimeout(this.autoSelectTimeout);
}
}
|