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<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * hold the PMA_List base class * * @package PhpMyAdmin */ if (! defined('PHPMYADMIN')) { exit; } /** * @todo add caching * @abstract * @package PhpMyAdmin * @since phpMyAdmin 2.9.10 */ abstract class PMA_List extends ArrayObject { /** * @var mixed empty item */ protected $item_empty = ''; public function __construct($array = array(), $flags = 0, $iterator_class = "ArrayIterator") { parent::__construct($array, $flags, $iterator_class); } /** * returns item only if there is only one in the list * * @return single item */ public function getSingleItem() { if (count($this) === 1) { return reset($this); } return $this->getEmpty(); } /** * defines what is an empty item (0, '', false or null) * * @return mixed an empty item */ public function getEmpty() { return $this->item_empty; } /** * checks if the given db names exists in the current list, if there is * missing at least one item it returns false otherwise true * * @return boolean true if all items exists, otheriwse false */ public function exists() { $this_elements = $this->getArrayCopy(); foreach (func_get_args() as $result) { if (! in_array($result, $this_elements)) { return false; } } return true; } /** * returns HTML <option>-tags to be used inside <select></select> * * @param mixed $selected the selected db or true for * selecting current db * @param boolean $include_information_schema whether include information schema * * @return string HTML option tags */ public function getHtmlOptions($selected = '', $include_information_schema = true) { if (true === $selected) { $selected = $this->getDefault(); } $options = ''; foreach ($this as $each_item) { if (false === $include_information_schema && PMA_is_system_schema($each_item) ) { continue; } $options .= '<option value="' . htmlspecialchars($each_item) . '"'; if ($selected === $each_item) { $options .= ' selected="selected"'; } $options .= '>' . htmlspecialchars($each_item) . '</option>' . "\n"; } return $options; } /** * returns default item * * @return string default item */ public function getDefault() { return $this->getEmpty(); } /** * builds up the list * * @return void */ abstract public function build(); } ?>