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-rw-r--r--framework/Xml/TXmlElementList.php81
1 files changed, 81 insertions, 0 deletions
diff --git a/framework/Xml/TXmlElementList.php b/framework/Xml/TXmlElementList.php
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+<?php
+/**
+ * TXmlElement, TXmlDocument, TXmlElementList class file
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @package System.Xml
+ */
+
+/**
+ * TXmlElementList class.
+ *
+ * TXmlElementList represents a collection of {@link TXmlElement}.
+ * You may manipulate the collection with the operations defined in {@link TList}.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @package System.Xml
+ * @since 3.0
+ */
+class TXmlElementList extends TList
+{
+ /**
+ * @var TXmlElement owner of this list
+ */
+ private $_o;
+
+ /**
+ * Constructor.
+ * @param TXmlElement owner of this list
+ */
+ public function __construct(TXmlElement $owner)
+ {
+ $this->_o=$owner;
+ }
+
+ /**
+ * @return TXmlElement owner of this list
+ */
+ protected function getOwner()
+ {
+ return $this->_o;
+ }
+
+ /**
+ * Inserts an item at the specified position.
+ * This overrides the parent implementation by performing additional
+ * operations for each newly added TXmlElement object.
+ * @param integer the specified position.
+ * @param mixed new item
+ * @throws TInvalidDataTypeException if the item to be inserted is not a TXmlElement object.
+ */
+ public function insertAt($index,$item)
+ {
+ if($item instanceof TXmlElement)
+ {
+ parent::insertAt($index,$item);
+ if($item->getParent()!==null)
+ $item->getParent()->getElements()->remove($item);
+ $item->setParent($this->_o);
+ }
+ else
+ throw new TInvalidDataTypeException('xmlelementlist_xmlelement_required');
+ }
+
+ /**
+ * Removes an item at the specified position.
+ * This overrides the parent implementation by performing additional
+ * cleanup work when removing a TXmlElement object.
+ * @param integer the index of the item to be removed.
+ * @return mixed the removed item.
+ */
+ public function removeAt($index)
+ {
+ $item=parent::removeAt($index);
+ if($item instanceof TXmlElement)
+ $item->setParent(null);
+ return $item;
+ }
+} \ No newline at end of file