PHP code example of ben-tech / tree-purview

1. Go to this page and download the library: Download ben-tech/tree-purview library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

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

ben-tech / tree-purview example snippets



use yii\db\ActiveRecord;

/**
 * @property string $description
 * @property integer $parent_id
 */
class Tree extends ActiveRecord 
{

    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'tree';
    }  
    
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['description'], '

use yii\web\Controller;
use Yii;
use yii\data\ActiveDataProvider;

class TreeController extends Controller
{

    /**
     * Lists all Tree models.
     * @return mixed
     */
    public function actionIndex()
    {
        $query = Tree::find();
        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

        return $this->render('index', [
            'dataProvider' => $dataProvider
        ]);
    }


use leandrogehlen\treegrid\TreeGrid;
  
<?= TreeGrid::widget([
        'dataProvider' => $dataProvider,
        'keyColumnName' => 'id',
        'parentColumnName' => 'parent_id',
        'parentRootValue' => '0', //first parentId value
        'pluginOptions' => [
            'initialState' => 'collapsed',
        ],
        'columns' => [
            'name',
            'id',
            'parent_id',
            ['class' => 'yii\grid\ActionColumn']
        ]     
      ]); 

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