PHP code example of efureev / laravel-trees

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

efureev / laravel-trees example snippets

namespace App\Models;

use Fureev\Trees\NestedSetTrait;
use Illuminate\Database\Eloquent\Model;

class Category extends Model
{
    use NestedSetTrait;

}

namespace App\Models;

use Fureev\Trees\{NestedSetTrait,Contracts\TreeConfigurable};
use Fureev\Trees\Config\Base;
use Illuminate\Database\Eloquent\Model;

class Category extends Model implements TreeConfigurable
{
    use NestedSetTrait;

    protected static function buildTreeConfig(): Base
    {
        return new Base();
    } 
}

    protected static function buildTreeConfig(): Base
    {
        return Base::make()
            ->setAttribute('parent', ParentAttribute::make()->setName('papa_id'))
            ->setAttribute('left', LeftAttribute::make()->setName('left_offset'))
            ->setAttribute('right', RightAttribute::make()->setName('right_offset'))
            ->setAttribute('level', LevelAttribute::make()->setName('deeeeep'));
    }

namespace App\Models;

// use Fureev\Trees\Config\TreeAttribute;
use Fureev\Trees\Contracts\TreeConfigurable;
use Fureev\Trees\NestedSetTrait;
use Fureev\Trees\Config\Base;
use Illuminate\Database\Eloquent\Model;

class Item extends Model implements TreeConfigurable
{
    use NestedSetTrait;
    
    protected $keyType = 'uuid';

    protected static function buildTreeConfig(): Base
    {
        $config= new Base(true);
        // $config->parent()->setType('uuid'); <-- `parent type` set up automatically from `$model->keyType`

        return $config;
    }
    /*
    or:
     
    protected static function buildTreeConfig(): Base
    {
        return Base(TreeAttribute::make('uuid')->setAutoGenerate(false));
    }
    
    or:
     
    protected static function buildTreeConfig(): Base
    {
       return Base::make()
            ->setAttributeTree(TreeAttribute::make()->setName('big_tree_id'))
            ->setAttribute('parent', ParentAttribute::make()->setName('pid'))
            ->setAttribute('left', LeftAttribute::make()->setName('left_offset'))
            ->setAttribute('right', RightAttribute::make()->setName('right_offset'))
            ->setAttribute('level', LevelAttribute::make()->setName('deeeeep'));
    }
    */
}

use Fureev\Trees\Migrate;
use Illuminate\Database\Migrations\Migration;

class AddTemplates extends Migration
{
    public function up()
    {
        Schema::create('trees', function (Blueprint $table) {
            $table->uuid('id')->primary();
            $table->string('title');
    
            Migrate::columns($table, (new Page)->getTreeConfig());
    
            $table->timestamps();
            $table->softDeletes();
        });
    }
}

// For single-root tree
Category::make($attributes)->makeRoot()->save(); 
Category::make($attributes)->saveAsRoot();
Category::create(['setRoot'=>true,...]);

// For multi-root tree. If parent is absent, node set as root.
Page::make($attributes)->save();

$node->appendTo($parent)->save();

$node->prependTo($parent)->save();

$node->insertBefore($parent)->save();

$node->insertAfter($parent)->save();

$node->up();

$node->down();

$node->delete();

Category::where('id', '=', $id)->delete();

$node->deleteWithChildren();

// Accessing ancestors
$node->ancestors;

// Accessing descendants
$node->descendantsNew;

// Accessing descendants
$node->children;

$node->parent;

$node->parents($level);

// Get all siblings of the node
$collection = $node->siblings()->get();

// Get siblings which are before the node
$collection = $node->prevSiblings()->get();

// Get siblings which are after the node
$collection = $node->nextSiblings()->get();

// Get a sibling that is immediately before the node
$prevNode = $node->prevSibling()->first();

// Get a sibling that is immediately after the node
$nextNode = $node->nextSibling()->first();

$prevNode = $node->prev()->first();
$nextNode = $node->next()->first();

Table::fromModel($root->refresh())->draw();

$collection = Structure::all();
Table::fromTree($collection->toTree())
    ->hideLevel()
    ->setExtraColumns(
        [
            'title'                         => 'Label',
            $root->leftAttribute()->name()  => 'Left',
            $root->rightAttribute()->name() => 'Right',
            $root->levelAttribute()->name() => 'Deep',
        ]
    )
    ->draw($output);

Structure::all()->toOutput([],null,'...');

Node::fixTree();

Node::fixMultiTree();