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https://github.com/izica/relations-widgets-for-backpack

Views/widgets for preview laravel relations in laravel backpack
https://github.com/izica/relations-widgets-for-backpack

backpack laravel laravel-backpack laravel-package php php-library

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Views/widgets for preview laravel relations in laravel backpack

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README

        

## Laravel Backpack Relations Widgets
1. [Installation](#installation)
2. [Screenshots](#screenshots)
3. [Features](#features)
4. [Documentation](#documentation)
5. [Usage](#usage)
5. [How to enable creating related model](#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

![Alt text](screenshots/relation_table_with_options.png?raw=true "relation_table_with_options")

### Installation
```
composer require izica/relations-widgets-for-backpack
```

### Screenshots

![Alt text](screenshots/relation_panel.png?raw=true "relation_panel")
![Alt text](screenshots/relation_table.png?raw=true "relation_table")

### 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`

```php
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`

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