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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | 10x 10x 10x | import { ChangeDetectionStrategy, Component } from '@angular/core';
import { ReactiveFormsModule } from '@angular/forms';
import { FieldType, FieldTypeConfig, FormlyAttributes, FormlyConfig, FormlyFieldProps } from '@ngx-formly/core';
import { getErrorMessage } from './errors';
interface TextAreaProps extends FormlyFieldProps {
cols?: number;
rows?: number;
}
@Component({
selector: 'formly-field-textarea',
host: { 'class': 'field' },
template: `
<textarea (blur)="validate($any($event.target))"
[formControl]="formControl"
[cols]="props.cols"
[rows]="props.rows"
[class.is-invalid]="showError"
[formlyAttributes]="field"></textarea>
`,
changeDetection: ChangeDetectionStrategy.OnPush,
imports: [
ReactiveFormsModule,
FormlyAttributes,
],
})
export class FormlyFieldTextArea extends FieldType<FieldTypeConfig<TextAreaProps>> {
override defaultOptions = {
props: {
cols: 1,
rows: 1,
},
};
private showedError = false;
constructor(
private config: FormlyConfig,
) {
super();
}
validate(input: HTMLInputElement) {
if (this.showError) {
input.setCustomValidity(getErrorMessage(this.field, this.config));
input.reportValidity();
}
}
blur(input: HTMLInputElement) {
if (this.showError && !this.showedError) {
this.showedError = true;
this.validate(input);
} else {
this.showedError = false;
}
}
}
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