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import { FormGroup } from '@angular/forms'
export abstract class FormReactive {
abstract form: FormGroup
abstract formErrors: Object
abstract validationMessages: Object
abstract buildForm (): void
protected onValueChanged (data?: any) {
for (const field in this.formErrors) {
// clear previous error message (if any)
this.formErrors[field] = ''
const control = this.form.get(field)
if (control && control.dirty && !control.valid) {
const messages = this.validationMessages[field]
for (const key in control.errors) {
this.formErrors[field] += messages[key] + ' '
}
}
}
}
// Same as onValueChanged but force checking even if the field is not dirty
protected forceCheck () {
for (const field in this.formErrors) {
// clear previous error message (if any)
this.formErrors[field] = ''
const control = this.form.get(field)
if (control && !control.valid) {
const messages = this.validationMessages[field]
for (const key in control.errors) {
this.formErrors[field] += messages[key] + ' '
}
}
}
}
}
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