smart-webcomponents/source/angular/countryinput/smart.countryinput.ts

Web Components & Custom Elements for Professional Web Applications

import { CountryInput } from './../index';
import { DropDownButtonPosition, ElementRenderMode} from './../index';
import { Component, Directive, AfterViewInit, ElementRef, Input, OnInit, OnChanges, OnDestroy, SimpleChanges, forwardRef, ChangeDetectionStrategy, Output, EventEmitter } from '@angular/core';
import { BaseElement, Smart } from './smart.element';
export { DropDownButtonPosition, ElementRenderMode} from './../index';
export { Smart } from './smart.element';
export { CountryInput } from './../index';
import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';



const CUSTOM_INPUT_CONTROL_VALUE_ACCESSOR: any = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => CountryInputComponent),
    multi: true
}

@Directive({
	exportAs: 'smart-country-input',	selector: 'smart-country-input, [smart-country-input]',
	providers: [CUSTOM_INPUT_CONTROL_VALUE_ACCESSOR]

})

export class CountryInputComponent extends BaseElement implements OnInit, AfterViewInit, OnDestroy, OnChanges, ControlValueAccessor {
	constructor(ref: ElementRef<CountryInput>) {
		super(ref);
		this.nativeElement = ref.nativeElement as CountryInput;
	}

	private eventHandlers: any[] = [];

	public declare nativeElement: CountryInput;
	/** @description Creates the component on demand.
	 * @param properties An optional object of properties, which will be added to the template binded ones.
	 */
	public createComponent(properties = {}): any {
    	this.nativeElement = <CountryInput>document.createElement('smart-country-input');
		for (let propertyName in properties) { 
 			this.nativeElement[propertyName] = properties[propertyName];
		}
		return this.nativeElement;
	}
        /**
        * @description
        * The registered callback function called when a change event occurs on the form elements.
        */
       _onChange: (value: any) => void = () => {};
        /**
        * @description
        * The registered callback function called when a blur event occurs on the form elements.
        */
       _onTouched: () => any = () => {};


	/** @description Enables or disables the element. */
	@Input()
	get disabled(): boolean {
		return this.nativeElement ? this.nativeElement.disabled : undefined;
	}
	set disabled(value: boolean) {
		this.nativeElement ? this.nativeElement.disabled = value : undefined;
	}

	/** @description Sets additional class names to the Input drop down. */
	@Input()
	get dropDownClassList(): any {
		return this.nativeElement ? this.nativeElement.dropDownClassList : undefined;
	}
	set dropDownClassList(value: any) {
		this.nativeElement ? this.nativeElement.dropDownClassList = value : undefined;
	}

	/** @description Determines the position of the drop down button. */
	@Input()
	get dropDownButtonPosition(): DropDownButtonPosition | string {
		return this.nativeElement ? this.nativeElement.dropDownButtonPosition : undefined;
	}
	set dropDownButtonPosition(value: DropDownButtonPosition | string) {
		this.nativeElement ? this.nativeElement.dropDownButtonPosition = value : undefined;
	}

	/** @description Sets the height of the drop down. By default it's set to an empty string. In this case the height of the drop down is controlled by a CSS variable. */
	@Input()
	get dropDownHeight(): string | number {
		return this.nativeElement ? this.nativeElement.dropDownHeight : undefined;
	}
	set dropDownHeight(value: string | number) {
		this.nativeElement ? this.nativeElement.dropDownHeight = value : undefined;
	}

	/** @description Sets the width of the drop down. By default it's set to an empty string. In this case the width of the drop down is controlled by a CSS variable. */
	@Input()
	get dropDownWidth(): string | number {
		return this.nativeElement ? this.nativeElement.dropDownWidth : undefined;
	}
	set dropDownWidth(value: string | number) {
		this.nativeElement ? this.nativeElement.dropDownWidth = value : undefined;
	}

	/** @description Sets or gets the name attribute for the element. Name is used when submiting data inside an HTML form. */
	@Input()
	get name(): string {
		return this.nativeElement ? this.nativeElement.name : undefined;
	}
	set name(value: string) {
		this.nativeElement ? this.nativeElement.name = value : undefined;
	}

	/** @description Determines whether the drop down is opened or not. */
	@Input()
	get opened(): boolean {
		return this.nativeElement ? this.nativeElement.opened : undefined;
	}
	set opened(value: boolean) {
		this.nativeElement ? this.nativeElement.opened = value : undefined;
	}

	/** @description Sets or gets an array of country codes which will be used instead of the default one with all countries. The country code should be ISO 3166-1 alpha-2 codes(https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2). */
	@Input()
	get onlyCountries(): any {
		return this.nativeElement ? this.nativeElement.onlyCountries : undefined;
	}
	set onlyCountries(value: any) {
		this.nativeElement ? this.nativeElement.onlyCountries = value : undefined;
	}

	/** @description Determines the placeholder of the input. */
	@Input()
	get placeholder(): string {
		return this.nativeElement ? this.nativeElement.placeholder : undefined;
	}
	set placeholder(value: string) {
		this.nativeElement ? this.nativeElement.placeholder = value : undefined;
	}

	/** @description Sets or gets the selected country of the element. The country code should be ISO 3166-1 alpha-2 codes(https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2). */
	@Input()
	get selectedCountry(): string {
		return this.nativeElement ? this.nativeElement.selectedCountry : undefined;
	}
	set selectedCountry(value: string) {
		this.nativeElement ? this.nativeElement.selectedCountry = value : undefined;
	}

	/** @description Sets or gets the value indicating whether the element is aligned to support locales using right-to-left fonts. */
	@Input()
	get rightToLeft(): boolean {
		return this.nativeElement ? this.nativeElement.rightToLeft : undefined;
	}
	set rightToLeft(value: boolean) {
		this.nativeElement ? this.nativeElement.rightToLeft = value : undefined;
	}

	/** @description Determines the theme for the element. Themes define the look of the elements. */
	@Input()
	get theme(): string {
		return this.nativeElement ? this.nativeElement.theme : undefined;
	}
	set theme(value: string) {
		this.nativeElement ? this.nativeElement.theme = value : undefined;
	}

	/** @description If is set to true, the element cannot be focused. */
	@Input()
	get unfocusable(): boolean {
		return this.nativeElement ? this.nativeElement.unfocusable : undefined;
	}
	set unfocusable(value: boolean) {
		this.nativeElement ? this.nativeElement.unfocusable = value : undefined;
	}

	/** @description Sets or gets the value of the element. */
	@Input()
	get value(): string {
		return this.nativeElement ? this.nativeElement.value : undefined;
	}
	set value(value: string) {
		this.nativeElement ? this.nativeElement.value = value : undefined;
	}

	/** @description This event is triggered when the selection is changed.
	*  @param event. The custom event. 	Custom event was created with: event.detail(	label, 	oldLabel, 	oldValue, 	value)
	*   label - The label of the new selected item.
	*   oldLabel - The label of the item that was previously selected before the event was triggered.
	*   oldValue - The value of the item that was previously selected before the event was triggered.
	*   value - The value of the new selected item.
	*/
	@Output() onChange: EventEmitter<CustomEvent> = new EventEmitter();

	/** @description This event is triggered on each key up event of the Input, if the value is changed.
	*  @param event. The custom event. 	Custom event was created with: event.detail(	oldValue, 	value)
	*   oldValue - The previous value before it was changed.
	*   value - The new value.
	*/
	@Output() onChanging: EventEmitter<CustomEvent> = new EventEmitter();

	/** @description This event is triggered when the user clicks on an item from the popup list.
	*  @param event. The custom event. 	Custom event was created with: event.detail(	item, 	label, 	value)
	*   item - The item that was clicked.
	*   label - The label of the item that was clicked.
	*   value - The value of the item that was clicked.
	*/
	@Output() onItemClick: EventEmitter<CustomEvent> = new EventEmitter();

	/** @description Closes the drop down. 
	*/
    public close(): void {
        if (this.nativeElement.isRendered) {
            this.nativeElement.close();
        }
        else
        {
            this.nativeElement.whenRendered(() => {
                this.nativeElement.close();
            });
        }
    }

	/** @description Ensures that the active ( selected ) item is always visible. 
	*/
    public ensureVisible(): void {
        if (this.nativeElement.isRendered) {
            this.nativeElement.ensureVisible();
        }
        else
        {
            this.nativeElement.whenRendered(() => {
                this.nativeElement.ensureVisible();
            });
        }
    }

	/** @description Opens the drop down. 
	*/
    public open(): void {
        if (this.nativeElement.isRendered) {
            this.nativeElement.open();
        }
        else
        {
            this.nativeElement.whenRendered(() => {
                this.nativeElement.open();
            });
        }
    }

	/** @description Selects the text inside the input or if it is readonly then the element is focused. 
	*/
    public select(): void {
        if (this.nativeElement.isRendered) {
            this.nativeElement.select();
        }
        else
        {
            this.nativeElement.whenRendered(() => {
                this.nativeElement.select();
            });
        }
    }


	get isRendered(): boolean {
		return this.nativeElement ? this.nativeElement.isRendered : false;
	}

	ngOnInit() {
	}

    ngAfterViewInit() {
      const that = this;

      that.onCreate.emit(that.nativeElement);

		if (Smart) Smart.Render();

		this.nativeElement.classList.add('smart-angular');

		if (this.nativeElement.whenRendered) this.nativeElement.whenRendered(() => { that.onReady.emit(that.nativeElement); });
		this.listen();
	}

	ngOnDestroy() {
		this.unlisten();
	}

	_initialChange = true; 

	get ngValue(): any {
		if (!this.nativeElement) {
			return null;
		}

		const value = this.nativeElement.value;
		return value;
	}

	set ngValue(value: any) {
		if (this.nativeElement) {
		    this.writeValue(value);
		}
	}

	writeValue(value: any): void {
        const that = this;
        const normalizedValue = value == null ? '' : value;

		that.nativeElement.whenRendered(() => {
			that.value = normalizedValue;
			if (that._initialChange === false) {
	    		that._onChange(that.value);
            }
		});
	}

	registerOnChange(fn: any): void {
		this._onChange = fn;
	}

	registerOnTouched(fn: any): void {
		this._onTouched = fn;
	}

	ngOnChanges(changes: SimpleChanges) {
		if (this.nativeElement && this.nativeElement.isRendered) {
			for (const propName in changes) {
				if (changes.hasOwnProperty(propName)) {
					this.nativeElement[propName] = changes[propName].currentValue;
				}
			}
		}
	}

	/** @description Add event listeners. */
	private listen(): void {
        const that = this;
		that.eventHandlers['changeHandler'] = (event: CustomEvent) => { that.onChange.emit(event); }
		that.nativeElement.addEventListener('change', that.eventHandlers['changeHandler']);

		that.eventHandlers['changingHandler'] = (event: CustomEvent) => { that.onChanging.emit(event); }
		that.nativeElement.addEventListener('changing', that.eventHandlers['changingHandler']);

		that.eventHandlers['itemClickHandler'] = (event: CustomEvent) => { that.onItemClick.emit(event); }
		that.nativeElement.addEventListener('itemClick', that.eventHandlers['itemClickHandler']);


        that.eventHandlers['changeModelHandler'] = (event: Event) => {
            that._initialChange = false;
            that._onChange(that.nativeElement.value);
        };
        that.eventHandlers['blurModelHandler'] = (event: Event) => {
            that._onTouched();
        };
        that.nativeElement.whenRendered(() => {
            if (that.nativeElement.querySelector('input')) {
                that.eventHandlers['keyupModelHandler'] = (event) => {
                    setTimeout(() => { that.eventHandlers['changeModelHandler'](event); }, 50);
                };

                that.nativeElement.querySelector('input').addEventListener('keyup', that.eventHandlers['keyupModelHandler']);
            }
        });
		that.nativeElement.addEventListener('change', that.eventHandlers['changeModelHandler']);
		that.nativeElement.addEventListener('blur', that.eventHandlers['blurModelHandler']);
	}

	/** @description Remove event listeners. */
	private unlisten(): void {
        const that = this;
		if (that.eventHandlers['changeHandler']) {
			that.nativeElement.removeEventListener('change', that.eventHandlers['changeHandler']);
		}

		if (that.eventHandlers['changingHandler']) {
			that.nativeElement.removeEventListener('changing', that.eventHandlers['changingHandler']);
		}

		if (that.eventHandlers['itemClickHandler']) {
			that.nativeElement.removeEventListener('itemClick', that.eventHandlers['itemClickHandler']);
		}

		if (that.eventHandlers['changeModelHandler']) {
			that.nativeElement.removeEventListener('change', that.eventHandlers['changeModelHandler']);
            if (that.nativeElement.querySelector('input')) {
                  that.nativeElement.querySelector('input').removeEventListener('keyup', that.eventHandlers['keyupModelHandler']);
            }
		}
		if (that.eventHandlers['blurModelHandler']) {
			that.nativeElement.removeEventListener('blur', that.eventHandlers['blurModelHandler']);
		}
	}
}