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