Laravel Backpack Relations Widgets

1. Installation
2. Screenshots
3. Features
4. Documentation
5. Usage
6. How to enable creating related model

3.0 Whats new:

• relation_table search input
• relation_table create button with relation attribute reference
• relation_table pagination

Installation

composer require izica/relations-widgets-for-backpack

Screenshots

Features

• use widgets for showing relations in show operation
• show or hide panels or fields by conditions
• build field value by closure
• use dot orm notation for accessing relation fields

Documentation

• relation_panel

  • name - name of relation
  • label - panel label
  • backpack_crud - backpack crud url,
  • buttons (optional) - set false to hide all action buttons
  • button_show (optional) - set false to hide
  • button_edit (optional) - set false to hide
  • visible (optional) - closure for hiding or showing panel
  • fields (optional) - fields array, by default get columns from fillable in model
    • name - name
    • label - for field
    • closure - use closure instead of name field,
    • visible(optional) - closure for hiding or showing panel

• relation_table

  • name - (required) name of relation
  • label - panel label
  • relation_attribute - (optional) used for passing url parameter name for button_create
  • search - (optional) closure, enables search input
  • per_page - (optional) enables pagination, null by default
  • backpack_crud - backpack crud url,
  • buttons (optional) - set false to hide all action buttons
  • button_create (optional) - set false to hide
  • button_show (optional) - set false to hide
  • button_edit (optional) - set false to hide
  • button_delete (optional) - set false to hide
  • visible (optional) - closure for hiding or showing panel
  • columns (optional) - columns array, by default get columns from fillable in model
    • name - name
    • label - for field
    • closure - use closure instead of name field for passing value,

Usage

Relation panel

belongsTo, hasOne

use Backpack\CRUD\app\Library\Widget;

protected function setupShowOperation()
{
    Widget::add([
        'type'           => 'relation_panel',
        'name'           => 'account_contact',
        'label'          => 'Account contact info',
        'backpack_crud'  => 'accountcontact',
        'visible' => function($entry){
            return $entry->is_public_person;
        },
        'buttons' => false,
        'fields'         => [
            [
                'label' => 'Birthdate',
                'closure' => function($entry){
                    return date('d.M.Y', $entry->birthdate);
                }
            ],
            [
                'label' => 'Contact phone',
                'name'  => 'contact_phone',
            ],
            [
                'label' => 'Contact email',
                'name'  => 'contact_email',
            ],
            [
                'label' => 'Address',
                'name'  => 'address.name',
                'visible' => function($entry){
                    return !!$entry->address;
                }       
            ],
        ],
    ])->to('after_content');
}

Relation table

hasMany

protected function setupShowOperation()
{
    Widget::add([
        'type'           => 'relation_table',
        'name'           => 'order_cargos',
        'label'          => 'Order cargo list',
        'backpack_crud'  => 'ordercargo',
        'visible' => function($entry){
            return $entry->order_cargos->count() > 0;
        },
        'search' => function ($query, $search) {
            return $query->where('name', 'like', "%{$search}%");
        },
        'relation_attribute' => 'order_id',
        'button_create' => true,
        'button_delete' => false,
        'columns' => [
            [
                'label' => 'Type',
                'name'  => 'order_cargo_type.name',
            ],
            [
                'label' => 'Weight',
                'name'  => 'weight',
            ],
            [
                'label' => 'Value, $',
                'closure' => function($entry){
                    return "{$entry->value}$";
                }
            ],
        ],
    ])->to('after_content');
}

How to enable creating related model

You need to set:

• button_create => true
• relation_attribute => attribute_name

Next you need to add to relation/select field default value:

    CRUD::addField([
        'type' => "relationship",
        'name' => 'order',
        'default' => $_GET['order_id'] ?? null
    ]);