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@covalent/dynamic-forms
Advanced tools
Import the [CovalentDynamicFormsModule] in your NgModule:
import { CovalentDynamicFormsModule } from '@covalent/dynamic-forms';
@NgModule({
imports: [
CovalentDynamicFormsModule,
...
],
...
})
export class MyModule {}
td-dynamic-forms
element generates a form dynamically
Pass an array of javascript objects that implement [ITdDynamicElementConfig] with the information to be rendered to the [elements] attribute.
// Property values to be set in custom component
export interface ITdDynamicElementCustomConfig {
[name: string]: any;
}
export interface ITdDynamicElementConfig {
label?: string;
name: string;
hint?: string;
type: TdDynamicType | TdDynamicElement | Type<any>;
required = false;
disabled?: boolean;
min?: any;
max?: any;
minLength?: any;
maxLength?: any;
selections?: string[] | { value: any; label: string }[];
multiple?: boolean;
default?: any;
flex?: number;
validators?: ITdDynamicElementValidator[];
customConfig?: ITdDynamicElementCustomConfig;
}
NOTE: For custom types, you need to implement a [control]
property and use it in your underlying element.
Example for HTML usage:
<td-dynamic-forms [elements]="elements">
<ng-template let-element ngFor [ngForOf]="elements">
<ng-template let-control="control" [tdDynamicFormsError]="element.name">
<span *ngIf="control.touched || !control.pristine">
<span *ngIf="control.hasError('required')">Required</span>
<span *ngIf="control.hasError('min')">Min value: {{element.min}}</span>
<span *ngIf="control.hasError('max')">Max value: {{element.max}}</span>
<span *ngIf="control.hasError('minlength')"
>Min length value: {{element.minLength}}</span
>
<span *ngIf="control.hasError('maxlength')"
>Max length value: {{element.minLength}}</span
>
</span>
</ng-template>
</ng-template>
</td-dynamic-forms>
import { ITdDynamicElementConfig, TdDynamicElement, TdDynamicType } from '@covalent/dynamic-forms';
...
/* CUSTOM TYPE */
template: `<label>{{label}}</label>
<input [formControl]="control">
<div *ngIf="errorMessageTemplate && control?.errors"
class="tc-red-600"
[style.font-size.%]="'70'">
<ng-template
[ngTemplateOutlet]="errorMessageTemplate"
[ngTemplateOutletContext]="{control: control, errors: control?.errors}">
</ng-template>
</div>`,
})
export class DynamicCustomComponent {
/* control property needed to properly bind the underlying element */
control: FormControl;
/* map any of the properties you passed in the config */
label: string;
/* map the error message template and use it anywhere you need to */
errorMessageTemplate: TemplateRef<any>;
}
...
})
export class Demo {
elements: ITdDynamicElementConfig[] = [{
name: 'input',
hint: 'hint',
type: TdDynamicElement.Input,
required: true,
}, {
name: 'textLength',
label: 'Text Length',
type: TdDynamicElement.Input,
minLength: 4,
maxLength: 12,
}, {
name: 'number',
type: TdDynamicType.Number,
min: 10,
max: 80,
}, {
name: 'slider',
label: 'Label',
type: TdDynamicElement.Slider,
required: true,
}, {
name: 'boolean',
type: TdDynamicType.Boolean,
default: false,
disabled: true,
}, {
name: 'select',
type: TdDynamicElement.Select,
required: true,
multiple: false,
selections: ['A','B','C'],
default: 'A',
}, {
name: 'file-input',
label: 'Label',
type: TdDynamicElement.FileInput,
}, {
name: 'datepicker',
label: 'Date',
type: TdDynamicElement.Datepicker,
}, {
name: 'custom',
label: 'Custom',
type: DynamicCustomComponent,
required: true,
}];
}
Note: To use the datepicker you need to provide an implementation of DateAdapter
.. click [here] for more information on the material datepicker(https://material.angular.io/components/datepicker/overview#choosing-a-date-implementation-and-date-format-settings)
Run nx test angular-dynamic-forms
to execute the unit tests.
FAQs
Teradata UI Platform Dynamic Forms Module
We found that @covalent/dynamic-forms demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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