container.php

<?php
 
namespace Bitrix\Report\VisualConstructor\Fields;
 
use Bitrix\Report\VisualConstructor\Fields\Valuable\BaseValuable;
 
class Container extends Base
{
    private $elements = array();
 
    public function printContent()
    {
        foreach ($this->elements as $element)
        {
            $element->render();
        }
    }
 
    public function setName($name)
    {
        foreach ($this->elements as $element)
        {
            if ($element instanceof BaseValuable)
            {
                $element->setName($name);
            }
        }
    }
 
    public function addElementBefore(Base $newField, Base $targetField)
    {
        $indexToInsert = null;
        $newFieldsList = array();
        foreach ($this->elements as $key => $field)
        {
            if ($field === $targetField)
            {
                if ($newField->getKey())
                {
                    $newFieldsList[$newField->getKey()] = $newField;
                }
                else
                {
                    $newFieldsList[] = $newField;
                }
            }
            $newFieldsList[$key] = $field;
        }
 
        $this->elements = $newFieldsList;
    }
 
    public function addElementAfter(Base $newField, Base $targetField)
    {
        $indexToInsert = null;
        $newFieldsList = array();
        foreach ($this->elements as $key => $field)
        {
            $newFieldsList[$key] = $field;
 
            if ($field === $targetField)
            {
                if ($newField->getKey())
                {
                    $newFieldsList[$newField->getKey()] = $newField;
                }
                else
                {
                    $newFieldsList[] = $newField;
                }
            }
        }
 
        $this->elements = $newFieldsList;
    }
 
    public function addElement(Base $element)
    {
        if ($element->getKey())
        {
            $this->elements[$element->getKey()] = $element;
        }
        else
        {
            $this->elements[] = $element;
        }
 
    }
 
    public function getElements()
    {
        return $this->elements;
    }
 
    public function getElement($key)
    {
        if (!isset($this->elements[$key]))
        {
            return null;
        }
        return $this->elements[$key];
    }
 
    public function setElements($elements)
    {
        $this->elements = $elements;
    }
}