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76bfab1303
* Part 1 Removing closing tags when no HTML or other output comes after the last PHP codeblock. * Further removals * nothing --------- Co-authored-by: slawkens <slawkens@gmail.com>
152 lines
3.3 KiB
PHP
152 lines
3.3 KiB
PHP
<?php
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/**#@+
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* @version 0.0.3
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* @since 0.0.3
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*/
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/**
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* @package POT
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* @version 0.1.3
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* @author Wrzasq <wrzasq@gmail.com>
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* @copyright 2007 (C) by Wrzasq
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* @license http://www.gnu.org/licenses/lgpl-3.0.txt GNU Lesser General Public License, Version 3
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*/
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/**
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* Container item representation.
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*
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* <p>
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* This class represents items that can contain other items. It's {@link OTS_Container::count() count() method} has been overwritten so it now doesn't return count of current item (if it would even be possible for containers) but amount of items within (not recursively).
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* </p>
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*
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* @package POT
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* @version 0.1.3
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*/
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class OTS_Container extends OTS_Item implements IteratorAggregate
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{
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/**
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* Contained items.
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*
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* @var array
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*/
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private $items = array();
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/**
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* Adds item to container.
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*
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* @param OTS_Item $item Item.
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*/
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public function addItem(OTS_Item $item)
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{
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$this->items[] = $item;
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}
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/**
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* Removes given item from current container.
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*
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* <p>
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* Passed item must be exacly instance of item which is stored in container, not it's copy. This method bases on PHP references.
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* </p>
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*
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* @param OTS_Item $item Item.
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* @tutorial POT/Players.pkg#deleting
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*/
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public function removeItem(OTS_Item $item)
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{
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foreach($this->items as $index => $current)
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{
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// checks if it is EXACLY the same item, not similar
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if($item === $current)
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{
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unset($this->items[$index]);
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}
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}
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}
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/**
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* Number of items inside container.
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*
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* <p>
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* OTS_Container implementation of Countable interface differs from {@link OTS_Item OTS_Item} implemention. {@link OTS_Item::count() OTS_Item::count()} returns count of given item, OTS_Container::count() returns number of items inside container. If somehow it would be possible to make container items with more then 1 in one place, you can use {@link OTS_Item::getCount() OTS_Item::getCount()} and {@link OTS_Item::setCount() OTS_Item::setCount()} in code where you are not sure if working with regular item, or container.
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* </p>
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*
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* @return int Number of items.
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*/
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public function count(): int
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{
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return count($items);
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}
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/**
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* @return OTS_Item Current item.
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* @deprecated 0.1.0 Use getIterator().
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*/
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public function current()
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{
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return current($this->items);
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}
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/**
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* @deprecated 0.1.0 Use getIterator().
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*/
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public function next()
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{
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next($this->items);
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}
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/**
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* @return mixed Iterator position.
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* @deprecated 0.1.0 Use getIterator().
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*/
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public function key()
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{
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return key($this->items);
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}
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/**
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* @return bool Does next item exist.
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* @deprecated 0.1.0 Use getIterator().
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*/
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public function valid()
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{
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return key($this->items) !== null;
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}
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/**
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* @deprecated 0.1.0 Use getIterator().
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*/
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public function rewind()
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{
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reset($this->items);
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}
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/**
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* Returns iterator handle for loops.
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*
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* @version 0.1.0
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* @since 0.1.0
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* @return ArrayIterator Items iterator.
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*/
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public function getIterator()
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{
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return new ArrayIterator($this->items);
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}
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/**
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* Clones all contained items.
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*
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* @version 0.1.3
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* @since 0.1.3
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*/
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public function __clone()
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{
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foreach($this->items as $index => $item)
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{
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$this->items[$index] = clone $item;
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}
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}
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}
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/**#@-*/
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