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@dreamworld/dw-multi-value-field

v3.0.0

Published

A Multi-value form-field WebComponent, made by LitElement

Downloads

22

Readme

dw-multi-value-field

A Multi-value form-field WebComponent, made by LitElement

Demo

Install

npm install @dreamworld/dw-multi-value-field

Usage

By default value is Array of String. And to represent each value(String) in the Array, it renders dw-input element.

For most of the practical use, you would like to render your custom form-element instead of dw-input. To do so you need to override the method _formElementTemplate(itemIndex, itemValue, required), which should return the lit-html template for the corresponding form element.

For Example:

import  { DwMultiValueField } from '../dw-multi-value-field.js';

export class DwMultiValueFieldDemo extends DwMultiValueField {
_formElementTemplate(itemIndex, itemValue, required){
	return html `
		<dw-date-input 
			.value="${itemValue}" 
			.index="${itemIndex}"
			?required=${required}"
			label="Date" 
			placeholder="Enter date here">
		</dw-date-input>
	`
}
}

Properties

  • name (String) Name of the form element.
  • value (Array) Value of the form element. Used as both (input/output). Set to define initial value, and read to get the latest/updated value.
  • label (String) Label/Caption for this form element.
  • min (Number), Minimum number of (children) form elements required.
  • max (Number), Maximum number of (children) form elements can be used. Once, user reaches this limit, ADD button isn't available to the user.
  • allowDuplicates, when true allows to add duplicate value.