class.ilMultipleNestedOrderingElementsAdditionalIndexLevelRemover.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/Form/interfaces/interface.ilFormValuesManipulator.php';

class ilMultipleNestedOrderingElementsAdditionalIndexLevelRemover implements ilFormValuesManipulator
{
    public function manipulateFormInputValues($inputValues)
    {
        return $inputValues;
    }
    
    public function manipulateFormSubmitValues($submitValues)
    {
        return $this->fetchIndentationsFromSubmitValues($submitValues);
    }
    
    protected function hasContentSubLevel($values)
    {
        if (!is_array($values) || !isset($values['content'])) {
            return false;
        }
        
        return true;
    }
    
    protected function hasIndentationsSubLevel($values)
    {
        if (!is_array($values) || !isset($values['indentation'])) {
            return false;
        }
        
        return true;
    }
    
    protected function fetchIndentationsFromSubmitValues($values)
    {
        if ($this->hasContentSubLevel($values) && $this->hasIndentationsSubLevel($values)) {
            $actualValues = array();
            
            foreach ($values['content'] as $key => $value) {
                if (!isset($values['indentation'][$key])) {
                    $actualValues[$key] = null;
                    continue;
                }
                
                $actualValues[$key] = $values['indentation'][$key];
            }
        } else {
            $actualValues = $values;
        }
        
        return $actualValues;
    }
}