import { ElementRef, EventEmitter, OnChanges, OnInit } from '@angular/core';
import { FormBuilder, FormGroup } from '@angular/forms';
import { MatMenuTrigger } from '@angular/material/menu';
import { StringLiteral } from '@dasch-swiss/dsp-js';
import { SessionService } from '../../../core/session.service';
export declare class StringLiteralInputComponent implements OnInit, OnChanges {
    private _fb;
    private _sessionService;
    languages: string[];
    /**
     * Optional placeholder for the input field e.g. Label
     *
     * @param  {string} [placeholder='Label']
     */
    placeholder: string;
    /**
     * Optional predefined (selected) language: en, de, it, fr, etc.
     *
     * @param  {string} language
     */
    language: string;
    /**
     * Optional form field input type: textarea? set to true for textarea
     * otherwise it's a simple (short) input field
     *
     * @param  {boolean} [textarea=false]
     */
    textarea: boolean;
    /**
     * Optional form field value of type StringLiteral[]
     *
     * @param {StringLiteral[]} value
     */
    value: StringLiteral[];
    /**
     * Optional disable the input field in case of no right to edit the field/value
     *
     * @param {boolean}: [disabled=false]
     */
    disabled: boolean;
    /**
     * The readonly attribute specifies whether the control may be modified by the user.
     *
     * @param {boolean}: [readonly=false]
     */
    readonly: boolean;
    /**
     * Returns (output) an array of StringLiteral on any change on the input field.
     *
     * @emits {StringLiteral[]} dataChanged
     */
    dataChanged: EventEmitter<StringLiteral[]>;
    /**
     * Returns (output) true when the field was touched. This can be used to validate data, e.g. in case a value is required
     *
     * @emits {boolean} touched
     */
    touched: EventEmitter<boolean>;
    /**
     * Returns true when a user press ENTER. This can be used to submit data in the parent component.
     *
     * * @emits {boolean} enter
     */
    enter: EventEmitter<boolean>;
    textInput: ElementRef;
    btnToSelectLanguage: MatMenuTrigger;
    form: FormGroup;
    constructor(_fb: FormBuilder, _sessionService: SessionService);
    ngOnInit(): void;
    ngOnChanges(): void;
    /**
     * @ignore
     *
     * emit data to parent on any change on the input field
     */
    onValueChanged(): void;
    toggleAll(): void;
    /**
     * @ignore
     *
     * Set the language after selecting;
     * This updates the array of StringLiterals: adds item with the selected language if it doesn't exist
     */
    setLanguage(lang: string): void;
    /**
     * @ignore
     *
     * Switch focus to input field after selecting a language
     */
    switchFocus(): void;
    /**
     * @ignore
     *
     * Switch focus to input field after closing the menu by clicking anywhere outside of it
     */
    menuClosed(): void;
    /**
     * @ignore
     *
     * Set the value in the input field
     */
    updateFormField(value: string): void;
    /**
     * @ignore
     *
     * Update the array of StringLiterals depending on value / empty value add or remove item from array.
     */
    updateStringLiterals(lang: string, value?: string): void;
    /**
     * @ignore
     *
     * In case of strange array of StringLiterals, this method will reset to a API-conform array. This means an array without empty values.
     */
    resetValues(): void;
    /**
     * @ignore
     *
     * Get the value from array of StringLiterals for the selected language
     */
    getValueFromStringLiteral(lang: string): string;
}