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* Copyright bei
* Entwicklungs- und Pflegeverbund für das gemeinsame Fachverfahren gefa
*
*******************************************************************************/
import {
Component,
ElementRef,
EventEmitter,
Input,
Output,
} from '@angular/core';
import { playSoundIfLengthExceeded } from '../utils/internal-utils';
import {
FocusableElementOwner,
FormControlStatus,
InvalidControlValue,
Nullable,
} from '../utils/util.types';
import { SoundType, playSound } from '../utils/utilities';
/**
* Base component for the DateInputComponent and TimeInputComponent.
*/
@Component({
template: '',
})
export abstract class BaseDateTimeComponent implements FocusableElementOwner {
/**
* Marks the input as a required field. true === required
*/
@Input()
public required = false;
/**
* Label that appears inside the input field
*/
@Input()
public label?: string;
/**
* Decides if the control will be rendered in a readonly state.
*/
@Input()
public readonly = false;
/**
* Hint message that appears below the input field.
*/
@Input()
public hint = '';
/**
* Decides if the input will be rendered in a disabled/enabled state
*/
@Input()
public disabled = false;
/**
* If it has a specified value, the component will be rendered in a slot-element mode.
* This enables the component to be used in
* two-slot components (e.g. `gc-two-slot-label-container`) or search input fields.
* @ignore
*/
@Input()
public _slotElementMode?:
| 'two-slot-label-container'
| 'ext-search-single-field'
| 'ext-search-range-field';
/**
* Error message id used when `_slotElementMode` is enabled.
* @ignore
*/
@Input()
public _errorMessageId?: string;
/**
* Info (hint) message id used when `_slotElementMode` is enabled.
* @ignore
*/
@Input()
public _infoMessageId?: string;
/**
* Informs about the change of the picked value. Does not fire when updating the value programmatically, only on user inputs.
*/
@Output()
public readonly valueChange: EventEmitter<
Nullable<string | InvalidControlValue>
> = new EventEmitter<Nullable<string | InvalidControlValue>>();
/**
* Event fired when the control gains focus
*/
@Output()
public readonly onFocusEntered: EventEmitter<void> = new EventEmitter<void>();
/**
* Event fired when the control looses focus
*/
@Output()
public readonly onFocusLeft: EventEmitter<void> = new EventEmitter<void>();
/**
* Signals changes of the current (combined) status of the component, e.g. also reports errors triggered by internal
* validation or input handling.
*/
@Output()
public readonly onStatusChange: EventEmitter<FormControlStatus> =
new EventEmitter<FormControlStatus>(true);
/**
* Signals that the text value has changed. In contrast to "valueChange" this event is emitted immediately
* and provides the current (unprocessed) text visible in the control
*/
@Output()
public readonly onInputChange: EventEmitter<string> =
new EventEmitter<string>(true);
/**
* Current value of the input.
*/
@Input()
public get value(): Nullable<string | InvalidControlValue> {
return this._value;
}
public set value(value: Nullable<string | InvalidControlValue>) {
if (this._value !== value) {
this._value = value;
}
}
/**
* Error message that appears below the input field.
*/
@Input()
public get errorMessage(): string {
return this._errorMessage;
}
public set errorMessage(message: string) {
if (this._errorMessage !== message) {
this._errorMessage = message;
this.emitStatusChange();
}
}
/** @ignore */
protected get combinedErrorMessage(): string {
return this.internalErrorMessage || this.errorMessage;
}
protected set internalErrorMessage(message: string) {
if (message !== this._internalErrorMessage) {
this._internalErrorMessage = message;
this.emitStatusChange();
}
}
protected get internalErrorMessage(): string {
return this._internalErrorMessage;
}
/** @ignore */
protected _focused?: boolean;
/** @ignore */
protected text = '';
/** @ignore */
private _value: Nullable<string | InvalidControlValue> = null;
/** @ignore */
private _errorMessage = '';
/** @ignore */
private _internalErrorMessage = '';
/**
* @ignore
* Helper to access static property in an Angular binding.
*/
protected abstract get maxLength(): number;
/** @ignore */
protected abstract get inputElement(): ElementRef<HTMLInputElement>;
public focusChild(): boolean {
if (!this.disabled) {
this.inputElement.nativeElement.focus();
return true;
}
return false;
}
/** @ignore */
protected _handleInputChange(evt: Event): void {
this.text = (evt.target as HTMLInputElement).value;
this.onInputChange.emit(this.text);
}
/** @ignore */
protected _handleChange(): void {
this.updateValue(this.text);
this.valueChange.emit(this.value);
}
/** @ignore */
protected _handleFocusEntered(): void {
this._focused = true;
this.onFocusEntered.next();
}
/** @ignore */
protected _handleBeforeInput(inputEvent: InputEvent): void {
if (
inputEvent.inputType === 'insertText' ||
inputEvent.inputType === 'insertFromPaste' ||
inputEvent.inputType === 'insertFromDrop'
) {
this.playSound(inputEvent);
}
}
/** @ignore */
protected _handleFocusLeave(): void {
this._focused = false;
this.onFocusLeft.next();
// We need to wait a tick so that the control is back
// in a sync state
setTimeout(() => {
if (
this.combinedErrorMessage.length > 0 ||
this._errorMessageId !== undefined
) {
void playSound(SoundType.ERROR);
}
});
}
/** @ignore */
protected _onKeyUp(event: KeyboardEvent): void {
if (event.key === 'Enter') {
this.inputElement.nativeElement.select();
}
}
/** @ignore */
protected playSound(inputEvent: InputEvent) {
playSoundIfLengthExceeded(
this.inputElement.nativeElement,
this.text,
this.maxLength,
inputEvent,
);
}
/** @ignore */
private emitStatusChange() {
const status: FormControlStatus = {};
if (this.internalErrorMessage || this.errorMessage) {
status.error = [];
if (this.internalErrorMessage) {
status.error.push(this.internalErrorMessage);
}
if (this.errorMessage) {
status.error.push(this.errorMessage);
}
}
this.onStatusChange.emit(status);
}
/** @ignore */
protected abstract updateValue(text: string): void;
}
|