Conditional Fields

Introduction
Usage
- Conditional Groups
- Multiple Conditions

Introduction

Field conditions can be used to display fields when a model attribute has a certain value. Individual fields or field groups can be made dependent on model values.

radio conditions

Usage

The following example shows an input field that only gets displayed if model attribute type has the value news:

$form->select('type')
    ->options([
        'news' => 'News',
        'blog' => 'Blog',
    ])
    ->title('Type');

$form->input('news_title')
    ->title('Title')
    ->when('type, 'news');

A varity of conditions are available for any field:

Condition	Description
`$field->when('type', 'foo')`	Matches the exact given value.
`$field->whenNot('type', 'foo')`	When field doesnt match the given value.
`$field->whenContains('type', 'foo')`	Matches the given substring or array value.
`$field->whenNotContains('type', 'foo')`	When field doesnt contain the given value.
`$field->whenIn('type', ['foo', 'bar'])`	When field is any of the given values.
`$field->whenNotIn('type', ['foo', 'bar'])`	When field is not any of the given values.

Conditional Groups

Conditions can also be applied to groups:

$form->group(function($form) {

    $form->input('news_title')->title('Title');
    $form->input('news_text')->title('Text');

})->when('type', 'news');

Multiple Conditions

You may chain as many conditions in a row by adding or to the desired condition:

$form->input('title')->title('Title')
    ->when($field, 'news')
    ->orWhen($field, 'blog');

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