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import {Injectable} from '@angular/core';
import {FormBuilder, FormControl, FormGroup, Validators} from '@angular/forms';
import {FormControlModel} from "../../models/formControlModels/formControl.model";
import * as _ from 'lodash';
@Injectable()
export class GenericFormService {
constructor(private _formBuilder: FormBuilder){}
generateFormBuilder(controls : FormControlModel[], dynamicInputs : FormControlModel[]) : FormGroup {
let controlsList = {};
if(!_.isNil(controls)){
for(let control of controls){
controlsList[control.controlName] = new FormControl(
{
value: _.isNil(control.value) ? null :control.value,
disabled: control.isDisabled
}, Validators.compose(control.validations.map(item => item.validator)));
}
}
if(!_.isNil(dynamicInputs)){
let dynamicControlsList = {};
if(!_.isNil(dynamicInputs)){
for(let control of dynamicInputs){
dynamicControlsList[control.controlName] = new FormControl(
{
value: control.value ? control.value : null,
disabled: control.isDisabled
}, Validators.compose(control.validations.map(item => item.validator)));
}
}
controlsList['instanceParams'] = this._formBuilder.group(dynamicControlsList);
}
return this._formBuilder.group(controlsList);
}
shouldDisplayValidationError(form: FormGroup, controlName : string): boolean{
if(!_.isNil(form) && !_.isNil(form.controls[controlName])){
if(!form.controls[controlName].touched){
return false;
} else if(form.controls[controlName].disabled) {
return false
}else if(_.isNil(form.controls[controlName].errors)){
return false;
}else {
return true;
}
}
return false;
}
}
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