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Diffstat (limited to 'framework/Web/UI/WebControls/TViewCollection.php')
| -rw-r--r-- | framework/Web/UI/WebControls/TViewCollection.php | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/framework/Web/UI/WebControls/TViewCollection.php b/framework/Web/UI/WebControls/TViewCollection.php new file mode 100644 index 00000000..aae7244f --- /dev/null +++ b/framework/Web/UI/WebControls/TViewCollection.php @@ -0,0 +1,37 @@ +<?php +/** + * TMultiView and TView class file. + * + * @author Qiang Xue <qiang.xue@gmail.com> + * @link http://www.pradosoft.com/ + * @copyright Copyright © 2005-2014 PradoSoft + * @license http://www.pradosoft.com/license/ + * @package System.Web.UI.WebControls + */ + +/** + * TViewCollection class. + * TViewCollection represents a collection that only takes {@link TView} instances + * as collection elements. + * @author Qiang Xue <qiang.xue@gmail.com> + * @package System.Web.UI.WebControls + * @since 3.0 + */ +class TViewCollection extends TControlCollection +{ + /** + * Inserts an item at the specified position. + * This overrides the parent implementation by ensuring only {@link TView} + * controls be added into the collection. + * @param integer the speicified position. + * @param mixed new item + * @throws TInvalidDataTypeException if the item to be inserted is neither a string nor a TControl. + */ + public function insertAt($index,$item) + { + if($item instanceof TView) + parent::insertAt($index,$item); + else + throw new TInvalidDataTypeException('viewcollection_view_required'); + } +}
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