<?php
/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
 *               2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
 *
 */

/**
 * Short description of class tao_helpers_grid_GridContainer
 *
 * @abstract
 * @access public
 * @author Somsack Sipasseuth, <somsack.sipasseuth@tudor.lu>
 * @package tao

 */
abstract class tao_helpers_grid_GridContainer
{
    // --- ASSOCIATIONS ---


    // --- ATTRIBUTES ---

    /**
     * Short description of attribute grid
     *
     * @access protected
     * @var Grid
     */
    protected $grid = null;

    /**
     * Short description of attribute grids
     *
     * @access protected
     * @var array
     */
    protected static $grids = [];

    /**
     * Short description of attribute options
     *
     * @access protected
     * @var array
     */
    protected $options = [];

    /**
     * Short description of attribute data
     *
     * @access protected
     * @var array
     */
    protected $data = [];

    /**
     * Short description of attribute excludedProperties
     *
     * @access protected
     * @var array
     */
    protected $excludedProperties = [];

    // --- OPERATIONS ---

    /**
     * Short description of method __construct
     *
     * @access public
     * @author Somsack Sipasseuth, <somsack.sipasseuth@tudor.lu>
     * @param  array data
     * @param  array options
     * @return mixed
     */
    public function __construct($data = [], $options = [])
    {
        
        
        $this->data = $data;
        $this->options = $options;
        $this->excludedProperties = (is_array($this->options) && isset($this->options['excludedProperties'])) ? $this->options['excludedProperties'] : [];
        $this->grid = new tao_helpers_grid_Grid($options);
        
        //init columns ...
        $this->initGrid();
        $this->initColumns();
        $this->initOptions($options);
    }

    /**
     * Short description of method __destruct
     *
     * @access public
     * @author Somsack Sipasseuth, <somsack.sipasseuth@tudor.lu>
     * @return mixed
     */
    public function __destruct()
    {
        
        if (!is_null($this->grid)) {
            //remove the refs of the contained grid
        }
    }

    /**
     * Short description of method getGrid
     *
     * @access public
     * @author Somsack Sipasseuth, <somsack.sipasseuth@tudor.lu>
     * @return tao_helpers_grid_Grid
     */
    public function getGrid()
    {
        $returnValue = null;

        
        $returnValue = $this->grid;
        

        return $returnValue;
    }

    /**
     * Short description of method initGrid
     *
     * @access protected
     * @author Somsack Sipasseuth, <somsack.sipasseuth@tudor.lu>
     * @return boolean
     */
    protected function initGrid()
    {
        $returnValue = (bool) false;

        
        //set data if data given
        $returnValue = $this->grid->setData($this->data);
        
        
        return (bool) $returnValue;
    }

    /**
     * Short description of method initColumns
     *
     * @abstract
     * @access protected
     * @author Somsack Sipasseuth, <somsack.sipasseuth@tudor.lu>
     * @return boolean
     */
    abstract protected function initColumns();

    /**
     * Short description of method toArray
     *
     * @access public
     * @author Somsack Sipasseuth, <somsack.sipasseuth@tudor.lu>
     * @return array
     */
    public function toArray()
    {
        $returnValue = [];

        
        $returnValue = $this->grid->toArray();
        

        return (array) $returnValue;
    }

    /**
     * Short description of method initOptions
     *
     * @access public
     * @author Somsack Sipasseuth, <somsack.sipasseuth@tudor.lu>
     * @return boolean
     */
    public function initOptions($options = [])
    {
        $returnValue = (bool) false;

        
        $columns = $this->grid->getColumns();
        if (isset($options['columns'])) {
            foreach ($options['columns'] as $columnId => $columnOptions) {
                if (isset($columns[$columnId])) {
                    foreach ($columnOptions as $optionsName => $optionsValue) {
                        if ($optionsName == 'columns') {
                            //if the options is columns, the options will be used to augment the subgrid model
                            $columns = $this->grid->getColumns();
                            $subGridAdapter = null;
                            //get the last subgrid adapter which defines the column
                            $adapters = $columns[$columnId]->getAdapters();
                            $adaptersLength = count($adapters);
                            for ($i = $adaptersLength - 1; $i >= 0; $i--) {
                                if ($adapters[$i] instanceof tao_helpers_grid_Cell_SubgridAdapter) {
                                    $subGridAdapter = $adapters[$i];
                                    break;
                                }
                            }
                            if (is_null($subGridAdapter)) {
                                throw new Exception(__('The column ') . $columnId . __(' requires a subgrid adapter'));
                            }
                            //init options of the subgrid
                            $subGridAdapter->getGridContainer()->initOptions($columnOptions);

                            continue;
                        }
                        $columns[$columnId]->setOption($optionsName, $optionsValue);
                    }
                }
            }
        }
        

        return (bool) $returnValue;
    }

    /**
     * Short description of method __clone
     *
     * @access public
     * @author Somsack Sipasseuth, <somsack.sipasseuth@tudor.lu>
     * @return mixed
     */
    public function __clone()
    {
        
        $this->grid = clone $this->grid;
    }
} /* end of abstract class tao_helpers_grid_GridContainer */