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;
        }
}