common-ui/src/lib/dialog/iqser-dialog-component.directive.ts
2024-09-23 22:23:02 +03:00

83 lines
2.7 KiB
TypeScript

import { Directive, HostListener, inject } from '@angular/core';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { FormGroup } from '@angular/forms';
import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material/dialog';
import { IconButtonTypes } from '../buttons';
import { hasFormChanged, IqserEventTarget } from '../utils';
const DIALOG_CONTAINER = 'mat-dialog-container';
const DATA_TYPE_SYMBOL = Symbol.for('DATA_TYPE');
const RETURN_TYPE_SYMBOL = Symbol.for('RETURN_TYPE');
export type DATA_TYPE = typeof DATA_TYPE_SYMBOL;
export type RETURN_TYPE = typeof RETURN_TYPE_SYMBOL;
@Directive()
export abstract class IqserDialogComponent<ComponentType, DataType = null, ReturnType = void> {
readonly [DATA_TYPE_SYMBOL]!: DataType;
readonly [RETURN_TYPE_SYMBOL]!: ReturnType;
readonly iconButtonTypes = IconButtonTypes;
readonly dialogRef = inject(MatDialogRef<ComponentType, ReturnType>);
readonly data = inject<DataType>(MAT_DIALOG_DATA);
readonly dialog = inject(MatDialog);
readonly form?: FormGroup;
readonly ignoredKeys: string[] = [];
initialFormValue: Record<string, unknown> = {};
constructor(private readonly _editMode = false) {
this.dialogRef
.backdropClick()
.pipe(takeUntilDestroyed())
// eslint-disable-next-line rxjs/no-ignored-subscription
.subscribe(() => this.dialogRef.close());
}
get valid(): boolean {
return !this.form || this.form.valid;
}
get changed(): boolean {
return !this.form || hasFormChanged(this.form, this.initialFormValue, this.ignoredKeys);
}
get disabled(): boolean {
return !this.valid || !this.changed;
}
@HostListener('window:keydown.Escape', ['$event'])
onEscape(): void {
if (this.dialog.openDialogs.length === 1) {
this.dialogRef.close();
}
}
@HostListener('window:keydown.Enter', ['$event'])
onEnter(event: KeyboardEvent): void {
event?.stopImmediatePropagation();
if (this.onEnterValidator(event)) {
this.close();
}
}
onEnterValidator(event: KeyboardEvent) {
const targetElement = (event.target as IqserEventTarget).localName?.trim()?.toLowerCase();
const canClose = targetElement === DIALOG_CONTAINER && this.valid;
if (this._editMode) {
return canClose && this.changed;
}
return canClose;
}
close(dialogResult?: ReturnType) {
this.dialogRef.close(dialogResult);
}
}
/**
* This is for testing only
*/
// eslint-disable-next-line @typescript-eslint/no-unused-vars
class DialogComponentImpl extends IqserDialogComponent<DialogComponentImpl, unknown, unknown> {}