PHP code example of lispa / yii2-tree-manager

1. Go to this page and download the library: Download lispa/yii2-tree-manager 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/ */

    

lispa / yii2-tree-manager example snippets


namespace frontend\models;

use Yii;

class Tree extends \kartik\tree\models\Tree
{
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'tbl_tree';
    }    
}

namespace frontend\models;

use Yii;

class Tree extends \yii\db\ActiveRecord
{
    use kartik\tree\models\TreeTrait.

    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'tbl_tree';
    }    
}

'modules' => [
   'treemanager' =>  [
        'class' => '\kartik\tree\Module',
        // other module settings, refer detailed documentation
    ]
]

use kartik\tree\TreeView;
echo TreeView::widget([
    // single query fetch to render the tree
    'query'             => Tree::find()->addOrderBy('root, lft'), 
    'headingOptions'    => ['label' => 'Categories'],
    'isAdmin'           => false,                       // optional (toggle to enable admin mode)
    'displayValue'      => 1,                           // initial display value
    //'softDelete'      => true,                        // normally not needed to change
    //'cacheSettings'   => ['enableCache' => true]      // normally not needed to change
]);

use kartik\tree\TreeViewInput;
echo TreeViewInput::widget([
    // single query fetch to render the tree
    'query'             => Tree::find()->addOrderBy('root, lft'), 
    'headingOptions'    => ['label' => 'Categories'],
    'name'              => 'kv-product',    // input name
    'value'             => '1,2,3',         // values selected (comma separated for multiple select)
    'asDropdown'        => true,            // will render the tree input widget as a dropdown.
    'multiple'          => true,            // set to false if you do not need multiple selection
    'fontAwesome'       => true,            // render font awesome icons
    'rootOptions'       => [
        'label' => '<i class="fa fa-tree"></i>', 
        'class'=>'text-success'
    ],                                      // custom root label
    //'options'         => ['disabled' => true],
]);

php yii migrate/up --migrationPath=@vendor/kartik-v/yii2-tree-manager/migrations