Custom form item demo

gistfile1.php

# admin/bootstrap.php

FormItem::register('autocomplete', App\Misc\FormItems\AutocompleteFormItem::class);


# app/Misc/FormItems/AutocompleteFormItem.php

<?php namespace App\Misc\FormItems;

use AssetManager;
use SleepingOwl\Admin\Models\Form\FormItem\Text;
use SleepingOwl\Admin\Models\Form\Interfaces\FormItemInterface;
use URL;

class AutocompleteFormItem extends Text implements FormItemInterface
{

	protected $type;

	/**
	 * @return string
	 */
	public function render()
	{
	  # add custom javascript
		AssetManager::addScript(URL::asset('assets/admin/js/jquery.autocomplete.js'));
		AssetManager::addScript(URL::asset('assets/admin/js/autocomplete.js'));
		# add custom css
		AssetManager::addStyle(URL::asset('assets/admin/css/permissions.css'));

		$content = '';
		# main element, will be used to send the selected value
		$content .= $this->formBuilder->hidden($this->name, $this->getValueFromForm());
		# text element for autocomplete
		$content .= $this->formBuilder->textGroup('__no_name', $this->label, $this->getValueFromForm(), [
			'class'     => 'autocomplete',
			'data-type' => $this->type,
			'data-for'  => $this->name,
		]);
		return $content;
	}

	public function type($type)
	{
		$this->type = $type;
		return $this;
	}

	public function name($name)
	{
		$this->name = $name;
		return $this;
	}

	public function label($label)
	{
		$this->label = $label;
		return $this;
	}

}

# usage in model configuration

FormItem::autocomplete()->name('aftermarket_id')->label('Aftermarket')->type('model');