67 lines
1.8 KiB
TypeScript
67 lines
1.8 KiB
TypeScript
import { Inject, Injectable } from "@angular/core";
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import { AbstractControl, FormArray, ValidationErrors, ValidatorFn } from "@angular/forms";
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export class EditorCustomValidators{
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public atLeastOneElementListValidator(arrayToCheck): ValidatorFn{
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return (control: AbstractControl): ValidationErrors | null=>{
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const fa = control.get(arrayToCheck) as FormArray;
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if(fa.length === 0){
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return {[EditorCustomValidatorsEnum.emptyArray]: true};
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}
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return null;
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}
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}
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public pagesHaveAtLeastOneSection(pagesArrayName:string,sectionsArrayName:string ): ValidatorFn{
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return (control: AbstractControl): ValidationErrors | null=>{
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const pages = control.get(pagesArrayName) as FormArray;
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const sections = control.get(sectionsArrayName) as FormArray;
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const pageIdsArray = pages.controls.map(page=>page.get('id').value);
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const sectionsPageIds = sections.controls.map(section=> section.get('page').value);
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let invalidMessage = null;
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pageIdsArray.forEach(pageId=>{
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if(!sectionsPageIds.includes(pageId)){
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invalidMessage = {[EditorCustomValidatorsEnum.atLeastOneSectionInPage]:true};
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}
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})
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return invalidMessage;
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}
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}
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public sectionHasAtLeastOneChildOf(fieldsetsArrayName, sectionsArrayName): ValidatorFn{
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return (control: AbstractControl): ValidationErrors | null=>{
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const fieldsets = control.get(fieldsetsArrayName) as FormArray;
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const sections = control.get(sectionsArrayName) as FormArray;
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if((fieldsets && fieldsets.length) || (sections && sections.length)){
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return null;
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}
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return {[EditorCustomValidatorsEnum.sectionMustHaveOneChild] : true};
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}
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}
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}
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export enum EditorCustomValidatorsEnum{
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sectionMustHaveOneChild = "sectionMustHaveOneChild",
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atLeastOneSectionInPage = 'atLeastOneSectionInPage',
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emptyArray="emptyArray"
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} |