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import { Input, Output, EventEmitter } from '@angular/core';
import { ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core';
import { OnForm } from '@unpispas/upp-wdgt';
import { ViewRenderer } from '@unpispas/upp-wdgt';
import { languageService, languageSupport } from '@unpispas/upp-base';
import { viewService } from '@unpispas/upp-base';
import { dataService } from '@unpispas/upp-data';
import { Preselect } from '@unpispas/upp-data';
import { Product } from '@unpispas/upp-data';
import { ProductOpt } from '@unpispas/upp-data';
import { PlaceView } from '@unpispas/upp-data';
import { ProductView } from '@unpispas/upp-data';
import { PreselectView } from '@unpispas/upp-data';
import { CategoryView } from '@unpispas/upp-data';
import { ProductOptView } from '@unpispas/upp-data';
type SuitableItem = ProductView | PreselectView | ProductOptView;
@Component({
selector: 'upp-products-select',
changeDetection: ChangeDetectionStrategy.OnPush,
templateUrl: './upp-select.html',
styleUrls: [
'./upp-select.scss'
],
providers: [{
provide: ViewRenderer,
useFactory: (change: ChangeDetectorRef) => new ViewRenderer(change),
deps: [ChangeDetectorRef]
}]
})
export class UppProductSelectComponent extends languageSupport implements OnForm, OnInit, OnDestroy {
@Input() place: PlaceView | null = null;
@Input() products: Array <SuitableItem> = [];
@Input() target: 'FAMILY' | 'OFFER' | 'PRINTER' | 'EXTRA' | null = null;
// different output types based on the given target
@Output() FamilyChanged = new EventEmitter <(ProductView | PreselectView)[]> ();
@Output() OfferChanged = new EventEmitter <(ProductView | ProductOptView)[]> ();
@Output() ExtraChanged = new EventEmitter <(ProductView | ProductOptView)[]> ();
@Output() PrinterChanged = new EventEmitter <(ProductView | ProductOptView)[]> ();
private _itemsset = new Set<SuitableItem> ();
constructor(private lang: languageService, private change: ViewRenderer, private data: dataService, public view: viewService){
super(lang, change.cdref);
}
ngOnInit(){
if (!this.place){
return;
}
this.Parent = null;
this._itemsset.clear();
for (const _item of this.products){
this._itemsset.add(_item);
}
for(const _product of this.place.products){
_product.Checked = this._itemsset.has(_product);
for (const _select of _product.selects){
_select.Checked = this._itemsset.has(_select);
}
}
}
ngOnDestroy(): void {
super.OnDestroy();
}
/********************************/
/* ONFORM IMPLEMENTATION */
/********************************/
CanAccept(): boolean[] {
return [ true, true ];
}
async OnApply(): Promise <boolean> {
// if selected item, then we are displaying options
if (this.Selected){
this.Selected = null;
return false; // we are done
}
// otherwise, notify all stored changes and leave
this.Changed([...this._itemsset]);
return true;
}
async OnAccept(): Promise <boolean> {
return this.OnApply();
}
async OnCancel(): Promise <boolean> {
if (this.Selected){
// remove all product options
for (const item of this._itemsset){
if ((item.ViewOf(ProductOpt))){
const _productoptview = item as ProductOptView;
if (_productoptview && _productoptview.product == this.Selected){
this._itemsset.delete(item);
}
}
}
// recover original options
const _itemsset = new Set <SuitableItem> ();
for (const _item of this.products){
_itemsset.add(_item);
}
for (const item of _itemsset){
if ((item.ViewOf(ProductOpt))){
const _productoptview = item as ProductOptView;
if (_productoptview && _productoptview.product == this.Selected){
this._itemsset.add(item);
}
}
}
this.Selected = null;
return false; // we are done
}
return true;
}
/********************************/
/* DISPLAY OPTIONS */
/********************************/
ItemTrack(index: number, item: ProductView | PreselectView): any {
return item._uuid;
}
CategoryTrack(index: number, category: CategoryView): any {
return category?._uuid || null;
}
OptionTrack(index: number, option: ProductOptView): any {
return option?._uuid || null;
}
Product(item: ProductView | PreselectView): ProductView | null {
return item.ViewOf(Product) ? item as ProductView : null;
}
Preslct(item: ProductView | PreselectView): PreselectView | null {
return item.ViewOf(Preselect) ? item as PreselectView : null;
}
private _parent: ProductView | null = null;
private _children: Array <ProductView | PreselectView> | null = null;
get Parent(): ProductView | null {
return this._parent;
}
set Parent(value: ProductView | null){
Iif (!this.place){
return;
}
this._parent = value;
this._children = null;
if ((this.Parent == null) || (this.Parent.IsGroup)){
const _grouped = this.place.GroupedProducts;
for(const _group of _grouped){
Iif (_group.parent == this._parent){
this._children = _group.children;
}
}
}
else { // not a group: provide the preselect items
Iif (this.target == 'FAMILY'){
this._children = this.Parent.selects;
}
else {
this._children = null;
}
}
}
get Children(): Array <ProductView | PreselectView> | null {
return this._children;
}
CanSelect(item: ProductView | PreselectView): boolean{
if (item.ViewOf(Product)){
if (item.IsFamily || item.IsCatalog){
return false;
}
}
return true;
}
private _selected: ProductView | null = null;
get Selected(): ProductView | null {
return this._selected;
}
set Selected(value: ProductView | null){
// TODO: controlar el valor del scroll
this._selectall = false;
this._selected = value;
this.change.markForCheck();
}
/********************************/
/* EVENT HANDLERS */
/********************************/
MoveBack(): void {
if (this.Parent == null){
return;
}
this.Parent = this.Parent.parent;
this.change.markForCheck();
}
OnSelect(item: ProductView | PreselectView | null){
Iif (!item){
return;
}
const _product: ProductView | null = item.ViewOf(Product) ? item as ProductView : null;
const _direct: PreselectView | null = item.ViewOf(Preselect) ? item as PreselectView : null;
if (_direct){
this.OnChecked(item);
}
if (_product){
if (this.target == 'OFFER'){
if (_product.IsGroup){
this.Parent = _product;
}
else E{
this.OnChecked(item);
}
}
if (this.target == 'EXTRA'){
if (_product.IsGroup){
this.Parent = _product;
}
else E{
this.OnChecked(item);
}
}
if (this.target == 'FAMILY'){
if (_product.IsGroup || (_product.selects.length > 0)){
this.Parent = _product;
}
else E{
this.OnChecked(item);
}
}
}
}
OnChecked(item: ProductView | PreselectView | null){
Iif (!item){
return;
}
item.Checked = !item.Checked;
if (item.Checked){
this._itemsset.add(item);
Iif ((this.target == 'OFFER') || (this.target == 'EXTRA') && item.ViewOf(Product)){
const _productview = item as ProductView;
Iif (_productview && _productview.IsProduct && (_productview.options.length > 0)){
this.Selected = item as ProductView;
}
}
}
else E{
this._itemsset.delete(item);
}
this.change.markForCheck();
}
OnOptions(options: Array <ProductOptView>){
for(const option of options){
this._itemsset.add(option);
}
this.Changed([...this._itemsset]);
this.change.markForCheck();
}
/********************************/
/* OPTION SELECTOR METHODS */
/********************************/
private _selectall = false;
get IsSelectAll(): boolean{
return this._selectall;
}
set IsSelectAll(value: boolean){
Iif (!this.Selected){
return;
}
// remove all selected options for this product
if (value == false){
for (const item of this._itemsset){
if ((item.ViewOf(ProductOpt))){
const _productoptview = item as ProductOptView;
Iif (_productoptview && _productoptview.product == this.Selected){
this._itemsset.delete(item);
}
}
}
}
// include all available options for this product
else {
for (const category of this.Selected.categories){
for (const option of category.options){
this._itemsset.add(option);
}
}
}
this._selectall = value;
this.change.markForCheck();
}
OnSelectAll(){
this.IsSelectAll = !this.IsSelectAll;
}
SutableCategory(category: CategoryView): boolean{
if (category.depends.length == 0){
return true;
}
return category.depends.some(depend => {
const _optionview = this.data.alives.get(depend.option) as ProductOptView;
if (_optionview){
return this.IsSelectOption(_optionview);
}
return false;
});
}
OnSelectOption(option: ProductOptView): void {
if (this._itemsset.has(option)){
this._itemsset.delete(option);
}
else {
this._itemsset.add(option);
}
this.change.markForCheck();
}
IsSelectOption(option: ProductOptView): boolean {
return this.IsSelectAll || this._itemsset.has(option);
}
/********************************/
/* PRIVATE METHODS */
/********************************/
private Changed(items: Array <SuitableItem>){
switch(this.target){
case 'FAMILY':
this._FamilyChanged(items);
break;
case 'OFFER':
this._OfferChanged(items);
break;
case 'EXTRA':
this._ExtraChanged(items);
break;
case 'PRINTER':
this._PrinterChanged(items);
break;
}
}
private _FamilyChanged(items: Array <SuitableItem>){
const _items: Array <ProductView | PreselectView> = [];
for(const item of items){
if (item.ViewOf(Product)){
_items.push(item as ProductView);
}
Iif (item.ViewOf(Preselect)){
_items.push(item as PreselectView);
}
}
this.FamilyChanged.emit(_items);
}
private _OfferChanged(items: Array <SuitableItem>){
const _items: Array <ProductView | ProductOptView> = [];
for(const item of items){
if (item.ViewOf(Product)){
_items.push(item as ProductView);
}
Iif (item.ViewOf(ProductOpt)){
_items.push(item as ProductOptView);
}
}
this.OfferChanged.emit(_items);
}
private _ExtraChanged(items: Array <SuitableItem>){
const _items: Array <ProductView | ProductOptView> = [];
for(const item of items){
if (item.ViewOf(Product)){
_items.push(item as ProductView);
}
Iif (item.ViewOf(ProductOpt)){
_items.push(item as ProductOptView);
}
}
this.ExtraChanged.emit(_items);
}
private _PrinterChanged(items: Array <SuitableItem>){
const _items: Array <ProductView | ProductOptView> = [];
for(const item of items){
Iif (item.ViewOf(Product)){
_items.push(item as ProductView);
}
if (item.ViewOf(ProductOpt)){
_items.push(item as ProductOptView);
}
}
this.PrinterChanged.emit(_items);
}
} |