<?php
// $Revision: 1.1.2.8 $
// ------------------------------------------------------------------------- //
//  XooNIps - Neuroinformatics Base Platform System                          //
//  Copyright (C) 2005-2008 RIKEN, Japan All rights reserved.                //
//  http://xoonips.sourceforge.jp/                                           //
// ------------------------------------------------------------------------- //
//  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; either version 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
// ------------------------------------------------------------------------- //

include_once XOOPS_ROOT_PATH . '/modules/xoonips/class/xoonips_compo_item.class.php';

//- - - - - - - - - - - - - - - - - - - - - - - - - - - -
//
// Handlers
//
//- - - - - - - - - - - - - - - - - - - - - - - - - - - -
class XooNIpsIndexCompoHandler extends XooNIpsItemCompoHandler
{
    function XooNIpsIndexCompoHandler(&$db) 
    {
        parent::XooNIpsItemCompoHandler($db);
        $this->addHandler('index', xoonips_getormhandler('xoonips', 'index') , 'index_id');
    }
    function &create() 
    {
        $index = new XooNIpsIndexCompo();
        return $index;
    }
    
    /**
     * 
     * return string array of index name from /(root) to specified index($index_id)
     * private index name is replaced by 'Private' if 
     * $private_index_id is given.
     * 
     * @param integer $index_id value of index id
     * @param integer $private_index_id integer value of private index(optional)
     * @param integer $fmt (optional)string format(see XoopsObject::getVar)
     * @return string array or false if failure
     */
    function getIndexPathNames($index_id, $private_index_id = false, $fmt='n'){
        $ret = array();
        $index_handler =& xoonips_getormhandler( 'xoonips', 'index' );
        for ( $index_obj =& $index_handler->get( $index_id ); is_object( $index_obj ); $index_obj =& $index_handler->get( $index_id ) ) {
          if ( $index_id === $private_index_id ) {
            $ret[] = XNP_PRIVATE_INDEX_TITLE;
          } else {
            $ret[] = $index_obj->getTitle( $fmt );
          } 
          $index_id = $index_obj->get( 'parent_index_id' );
          if ( $index_id == IID_ROOT ) {
            break;
          }
        }
        return array_reverse( $ret );
    }

    
    /**
     * return array of indexes from index(id=$index_id) to root index
     * 
     * @param $index_id
     * @return array of XooNIpsIndex or false
     */
    function getPathIndexes( $index_id ){
        $indexes = array();
        do{
            $xoonips_index = $this -> get( $index_id );
            if( !$xoonips_index ) return false;
            $indexes[] = $xoonips_index;
            $index = $xoonips_index -> getVar( 'index' );
            $index_id = $index -> get( 'parent_index_id' );
        }while( IID_ROOT != $index_id );
        return array_reverse( $indexes );
    }
    
    /**
     * duplicateIndexStructure
     * - duplicate index recursively
     * - register items in group index to duplicated index
     * @access public
     * @param integer $target_index_id index that duplicated index is inserted to.
     * @param integer $source_index_id index that to be duplicated.
     * @return integer index id of copy of $source_index_id or false if failure
     */
    function duplicateIndexStructure($target_index_id, $source_index_id)
    {
        $index_handler =& xoonips_getormhandler('xoonips', 'index');

        $target_index=&$index_handler->get($target_index_id);
        $source_index=&$index_handler->get($source_index_id);
        if( !$target_index ){
            trigger_error( 'target index is not found' );
            return false;
        }
        if( !$source_index ){
            trigger_error( 'source index is not found' );
            return false;
        }
        if( $target_index->get('open_level') != OL_PUBLIC ){
            trigger_error( 'target index must be public index' );
            return false;
        }
        if( $source_index->get('open_level') != OL_GROUP_ONLY ){
            trigger_error( 'source index must be group index' );
            return false;
        }
        
        $source_index_compo=&$this->get($source_index_id);
        $new_index_compo=&$source_index_compo->xoopsClone();
        $new_index=&$new_index_compo->getVar('index');
        $new_index->setDefault('index_id');
        $new_index->setDefault('uid');
        $new_index->setDefault('gid');
        $new_index->setDefault('sort_number');
        $new_index->set('open_level', OL_PUBLIC);
        $new_index->set('parent_index_id', $target_index_id);
        $new_basic=&$new_index_compo->getVar('basic');
        $new_basic->set('item_id', 0);
        $new_titles=&$new_index_compo->getVar('titles');
        $new_titles[0]->setDefault('item_id');
        if( !$this->insert($new_index_compo) ){
            trigger_error( 'cannot insert new index' );
            return false;
        }
        
        $index_item_link_handler=&xoonips_getormhandler('xoonips', 'index_item_link');
        foreach($index_item_link_handler->getObjects(new Criteria('index_id', $source_index->get('index_id')))
                as $link){
            if( !$index_item_link_handler->add($new_index->get('index_id'),$link->get('item_id'),CERTIFIED) ){
                trigger_error( 'cannot register item to new index' );
                return false;
            }
        }

        foreach($source_index->getAllChildren() as $child){
            if( !$this->duplicateIndexStructure($new_index->get('index_id'),
                                                $child->get('index_id'))){
                trigger_error( 'cannot duplicate sub index' );
                return false;
            }
        }
        return $new_index->get('index_id');
    }
    
    /**
     * delete all of descendents
     * @param integer $index_id index id 
     * @return bool 
     */
    function deleteAllDescendents($index_id)
    {
        $index_compo_handler=&xoonips_getormcompohandler('xoonips', 'index');
        $index_handler=&xoonips_getormhandler('xoonips', 'index');
        foreach($index_handler->getAllDescendents($index_id) as $descendent){
            if( !$index_compo_handler->deleteByKey($descendent->get('index_id'))){
                return false;
            }
        }
        return true;
    }
}
//- - - - - - - - - - - - - - - - - - - - - - - - - - - -
//
// Data object
//
//- - - - - - - - - - - - - - - - - - - - - - - - - - - -


/**
 * @brief data object of index
 */
class XooNIpsIndexCompo extends XooNIpsItemCompo
{
    function XooNIpsIndexCompo() 
    {
        parent::XooNIpsItemCompo();
        $index_handler =& xoonips_getormhandler('xoonips', 'index');
        $this->initVar('index', $index_handler->create() , true);
    }
}
?>
