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import { Input, Output, EventEmitter } from '@angular/core';
import { ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { FormControl, Validators } from '@angular/forms';
import { AbstractControl, ValidationErrors } from '@angular/forms';
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 { ProductView } from '@unpispas/upp-data';
import { ProductOptView } from '@unpispas/upp-data';
import { CategoryView } from '@unpispas/upp-data';
@Component({
selector: 'upp-category-edit',
changeDetection: ChangeDetectionStrategy.OnPush,
templateUrl: './upp-edit.html',
styleUrls: [
'./upp-edit.scss'
],
providers: [{
provide: ViewRenderer,
useFactory: (change: ChangeDetectorRef) => new ViewRenderer(change),
deps: [ChangeDetectorRef]
}]
})
export class UppCategoryEditComponent extends languageSupport implements OnForm, OnChanges, OnDestroy {
@Input() product: ProductView | null = null;
@Input() category: CategoryView | null = null;
@Output() Updated = new EventEmitter<void>();
@Output() Closed = new EventEmitter<void>();
constructor(private lang: languageService, private change: ViewRenderer, private data: dataService, public view: viewService){
super(lang, change.cdref);
}
private _depends = new Set <ProductOptView> ();
ngOnChanges(){
this._categoryForm = null;
Iif (!this.product || !this.category){
return;
}
this._depends.clear();
for (const depend of this.category.depends){
const productoptview = this.data.alives.get(depend.option) as ProductOptView;
if (productoptview){
this._depends.add(productoptview);
}
}
}
ngOnDestroy(): void {
super.OnDestroy();
}
/********************************/
/* ONFORM IMPLEMENTATION */
/********************************/
CanAccept(): boolean[] {
if (!this.category){
return [ true, true ];
}
return [ this.CategoryForm.dirty && this.CategoryForm.valid, false ];
}
async OnApply(): Promise <boolean> {
if (!this.product || !this.category){
return true;
}
const _name: string = this.CategoryForm.get('name')?.value || null;
const _type: string = this.CategoryForm.get('type')?.value || null;
const _sort: string = this.CategoryForm.get('sort')?.value || null;
const _fxmin: string = this.CategoryForm.get('fxmin')?.value || null;
const _fxmax: string = this.CategoryForm.get('fxmax')?.value || null;
this.category.name = _name;
this.category.type = ['SINGLE', 'MULTIPLE', 'FIXED'].includes(_type) ? _type : null;
this.category.sort = _sort ? parseInt(_sort) : 0;
this.category.fxmin = _fxmin ? parseInt(_fxmin) : null;
this.category.fxmax = _fxmax ? parseInt(_fxmax) : null;
// remove the existing dependencies
for (const _depend of this.category.depends){
const productoptview = this.data.alives.get(_depend.option) as ProductOptView;
Iif (productoptview && !this._depends.has(productoptview)){
_depend.status = 'DE';
}
}
// include the created dependencies
for (const _option of this._depends){
if (_option.IsValid && _option.IsValid){
this.category.AddDepend(_option.object);
}
}
this.product.AddCategory(this.category.object);
this.Updated.emit(); // activates main form acceptance
return false; // accepted form: do not continue
}
async OnAccept(): Promise <boolean> {
Iif (!this.product || !this.category){
return true;
}
await this.OnApply();
return false; // accepted form: do not continue
}
async OnCancel(): Promise <boolean> {
this._categoryForm = null;
if (!this.category){
return true; // nothing to be cancelled: continue
}
return false; // cancelled form: do not continue
}
/********************************/
/* CATEGORY FORM */
/********************************/
get fxmin(): number[] {
const min = 0;
const max = this.category?.options.length || 0;
return [min, max];
}
get fxmax(): number[] {
let min = 1;
const val = this.CategoryForm.get('fxmin')?.value;
if (val){
min = Math.max(parseInt(val), 1);
}
const max = Math.max(min, this.category?.options.length || 1);
return [min, max];
}
private checkCategoryForm(group: AbstractControl): ValidationErrors | null {
const _type = group.get('type');
const _fxmin = group.get('fxmin');
const _fxmax = group.get('fxmax');
Iif (!this.category){
return null;
}
if (_type && _fxmin && _fxmax){
_fxmin.setErrors(null);
_fxmax.setErrors(null);
if (_type.value == 'FIXED'){
const _usedmin = _fxmin.value || 0;
const _usedmax = _fxmax.value || 0;
if (isNaN(parseInt(_usedmin)) || (Number(_usedmin) < this.fxmin[0]) || (Number(_usedmin) > this.fxmin[1])){
_fxmin.setErrors({ invalid: true });
}
if (isNaN(parseInt(_usedmax)) || (Number(_usedmax) < this.fxmax[0]) || (Number(_usedmax) < Number(_usedmin)) || (Number(_usedmax) > this.fxmax[1])){
_fxmax.setErrors({ invalid: true });
}
}
}
return null;
}
private _categoryForm: FormGroup | null = null;
private LoadCategoryForm(): FormGroup {
const _name: string | null = this.category?.name || null;
const _type: string | null = this.category?.type || null;
const _sort: number | null = this.category?.sort || null;
const _fxmin: number | null = this.category?.fxmin || null;
const _fxmax: number | null = this.category?.fxmax || null;
const _cond: boolean = (((this.category?.depends) || []).length > 0);
let _form: FormGroup | null = this._categoryForm;
if (_form == null){
_form = new FormGroup({
name: new FormControl(_name, [
Validators.required,
]),
type: new FormControl(_type, [
Validators.required,
]),
sort: new FormControl(_sort, [
// no validators required
]),
fxmin: new FormControl(_fxmin, [
// no validators required
]),
fxmax: new FormControl(_fxmax, [
// no validators required
]),
cond: new FormControl(_cond, [
// no validators required
]),
}, { validators: this.checkCategoryForm.bind(this) });
}
else {
_form.patchValue({
name: _name,
type: _type,
sort: _sort,
fxmin: _fxmin,
fxmax: _fxmax,
cond: _cond,
});
}
this.change.markForCheck();
_form.markAsPristine();
setTimeout(() => {
_form?.markAsPristine();
}, 0)
return _form;
}
get CategoryForm(): FormGroup {
if (this._categoryForm == null){
this._categoryForm = this.LoadCategoryForm();
}
return this._categoryForm;
}
/********************************/
/* DISPLAY OPTIONS */
/********************************/
CheckDependency(option: ProductOptView): boolean {
return this._depends.has(option);
}
get CanRemove(): boolean {
Iif (!this.product || !this.category){
return false;
}
return (this.product.categories.includes(this.category));
}
get CanDepend(): boolean {
Iif (!this.product || !this.category){
return false;
}
return this.product.categories.some(_category => {
return (_category != this.category) && _category.Enabled;
})
}
/********************************/
/* EVENT HANDLERS */
/********************************/
OnDependChange(event: CustomEvent, option: ProductOptView): void{
if (!option){
return;
}
const _isChecked = event.detail.checked;
if (_isChecked){
this._depends.add(option);
}
else {
this._depends.delete(option);
}
this.CategoryForm.markAsDirty();
option.DoRefresh('DEPENDCHANGED');
}
OnDeleteCategory(){
Iif (!this.category){
return;
}
this.category.status = 'DE';
this.Closed.emit();
}
} |