StudipSemTree.class.php

<?php
# Lifter007: TODO
# Lifter003: TODO

/**
 * class to handle the seminar tree
 *
 * This class provides an interface to the structure of the seminar tree
 *
 * @access    public
 * @author    André Noack <noack@data-quest.de>
 * @license   GPL2 or any later version
 * @copyright 2003 André Noack <noack@data-quest.de>,
 *                 Suchi & Berg GmbH <info@data-quest.de>
 */
class StudipSemTree extends TreeAbstract
{
    public $sem_dates = [];
    public $sem_number = null;
    public $visible_only = false;
    public $sem_status = [];
    protected $entries_init_done = false;

    /**
    * constructor
    *
    * do not use directly, call TreeAbstract::GetInstance("StudipRangeTree")
    * @access private
    */
    public function __construct($args)
    {
        DbView::addView('sem_tree');

        $this->root_name = Config::get()->UNI_NAME_CLEAN;
        if (isset($args['visible_only'])) {
            $this->visible_only = (int) $args['visible_only'];
        }
        if (isset($args['sem_number']) ){
            $this->sem_number = array_map('intval', $args['sem_number']);
        }
        if ($args['sem_status']){
            $this->sem_status = array_map('intval', $args['sem_status']);
        } else {
            foreach ($GLOBALS['SEM_CLASS'] as $key => $value){
                if ($value['bereiche']){
                    foreach ($GLOBALS['SEM_TYPE'] as $type_key => $type_value) {
                        if($type_value['class'] == $key)
                            $this->sem_status[] = $type_key;
                    }
                }
            }
        }

        if (!count($this->sem_status)){
            $this->sem_status[] = -1;
        }

        parent::__construct(); //calling the baseclass constructor
        if (isset($args['build_index']) ){
            $this->buildIndex();
        }

        $this->sem_dates = Semester::findAllVisible();
    }

    /**
    * initializes the tree
    *
    * stores all rows from table sem_tree in array $tree_data
    * @access public