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* Copyright bei
* Entwicklungs- und Pflegeverbund für das gemeinsame Fachverfahren gefa
*
*******************************************************************************/
import { Component, ElementRef, Input, ViewChild } from '@angular/core';
import { computeErrorTextPrefix } from '../utils/internal-utils';
import {
InvalidControlValue,
Nullable,
WidgetKeySet,
} from '../utils/util.types';
import { createWidgetKeySet, isInvalidControlValue } from '../utils/utilities';
import { BaseDateTimeComponent } from './base-date-time.component';
const TIME_NONEXISTENT_ERROR_TEXT = 'Keine gültige Uhrzeit';
const TIME_INVALID_FORMAT_ERROR_TEXT = 'Falsches Eingabeformat';
//check if time is written in the correct format but is not an exsisant time. for example 25:61
const VALID_FORMAT = /^\d{2}:\d{2}$/;
const VALID_RANGE_FORMAT = /^(0\d|1\d|2[0-3]):[0-5]\d$/;
const SUPPORTED_FORMATS = [
{
format: 'hh:mm',
regex: /^\d{2}:\d{2}$/,
toFormattedTime: (text: string) => text,
},
{
format: 'hhmm',
regex: /^\d{4}$/,
toFormattedTime: (text: string) =>
text[0] + text[1] + ':' + text[2] + text[3],
},
{
format: 'h:mm',
regex: /^\d:\d{2}$/,
toFormattedTime: (text: string) => '0' + text,
},
{
format: 'h',
regex: /^\d$/,
toFormattedTime: (text: string) => '0' + text + ':' + '00',
},
{
format: 'hh',
regex: /^\d{2}$/,
toFormattedTime: (text: string) => text + ':' + '00',
},
{
format: 'hmm',
regex: /^\d{3}$/,
toFormattedTime: (text: string) => '0' + text[0] + ':' + text[1] + text[2],
},
];
type ValueType = Nullable<string | InvalidControlValue>;
/**
* A Time input component allows users to enter a specific time value.
*/
@Component({
selector: 'gc-time-input',
templateUrl: './time-input.component.html',
styleUrls: [
'../base-range-input-field/base-slot-mode.css',
'./time-input.component.css',
],
standalone: false,
})
export class TimeInputComponent extends BaseDateTimeComponent {
/**
* @ignore
* maximum input length - equals the length of a fully formatted (local) time
*/
private static readonly INPUT_MAX_LENGTH = 5;
/**
* Overrides the default text which is shown when the control is readonly and empty.
*/
@Input()
public readonlyEmptyValue = '';
/**
* Enables setting of the value only when the Promise resolves with value "true".
*/
@Input()
public permitValueChange?: (v: ValueType) => Promise<boolean> | boolean;
/** @ignore */
@ViewChild('input')
protected _inputElement!: ElementRef<HTMLInputElement>;
/**
* Current value of the time input, in HH:mm format.
*/
@Input()
public override get value(): ValueType {
return super.value;
}
public override set value(value: ValueType) {
super.value = value;
if (isInvalidControlValue(value)) {
this.text = value.rawValue;
this.internalErrorMessage = this.generateErrorMsg(value.rawValue);
} else if (value !== null) {
this.text = value;
this.internalErrorMessage = '';
} else {
this.text = '';
this.internalErrorMessage = '';
}
this.onInputChange.emit(this.text);
}
/**
* @ignore
* Helper to access static property in an Angular binding.
*/
protected get maxLength() {
return TimeInputComponent.INPUT_MAX_LENGTH;
}
/** @ignore */
protected get inputElement(): ElementRef<HTMLInputElement> {
return this._inputElement;
}
/** @ignore */
protected readonly _widgetKeys: WidgetKeySet = createWidgetKeySet('gc-time');
/**
* displayed on readonly when readonlyEmptyValue is empty
* @ignore
*/
protected readonly READONLY_DEFAULT_EMPTY_VALUE = '\u2013';
/** @ignore */
protected getLabelId(): string {
return this._widgetKeys.labelKey;
}
/** @ignore */
protected getInputId(): string {
return this._widgetKeys.widgetKey;
}
/** @ignore */
protected computeAriaDescribedBy(): string | null {
return this._infoMessageId ?? null;
}
/** @ignore */
protected sizeHelperText(): string {
if (this.readonly && this.text.length === 0) {
if (this.readonlyEmptyValue === '') {
return this.READONLY_DEFAULT_EMPTY_VALUE;
} else {
return this.readonlyEmptyValue;
}
} else {
return this.text;
}
}
/** @ignore */
protected async updateValue(text: string): Promise<boolean> {
const value = this.computeValueFromInput(text);
if (value === this.value) {
return false;
}
if (this.permitValueChange) {
if (await this.permitValueChange(value)) {
this.value = value;
return true;
} else {
const oldValue = this.value;
// call the setter to restore the old visual state
this.value = oldValue;
return false;
}
} else {
this.value = value;
return true;
}
}
/** @ignore */
private computeValueFromInput(text: string): ValueType {
if (text === '') {
return null;
} else {
const timeFormat = SUPPORTED_FORMATS.find(i => i.regex.exec(text)?.input);
if (timeFormat) {
const result = timeFormat.toFormattedTime(text);
if (VALID_RANGE_FORMAT.test(result)) {
return result;
} else {
return {
kind: 'InvalidControlInput',
rawValue: result,
errorMessage: this.generateErrorMsg(result),
};
}
} else {
return {
kind: 'InvalidControlInput',
rawValue: text,
errorMessage: this.generateErrorMsg(text),
};
}
}
}
private generateErrorMsg(inputValue: string): string {
const errorPrefix = computeErrorTextPrefix(
this.label,
this._slotElementMode,
'Wert',
);
const errorMessage = VALID_FORMAT.test(inputValue)
? TIME_NONEXISTENT_ERROR_TEXT
: TIME_INVALID_FORMAT_ERROR_TEXT;
return errorPrefix + errorMessage;
}
}
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