From bce854019ec98edc77b541af3d971a1d95da13af Mon Sep 17 00:00:00 2001
From: xue <>
Date: Sun, 5 Nov 2006 00:50:01 +0000
Subject: Fixed #446.

---
 HISTORY                                |  1 +
 framework/Web/UI/WebControls/THead.php | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/HISTORY b/HISTORY
index c9eab97d..ce3e991b 100644
--- a/HISTORY
+++ b/HISTORY
@@ -2,6 +2,7 @@ Version 3.0.6 December 4, 2006
 ==============================
 BUG: Ticket#442 - TPageService getBasePath in namespace form (Qiang)
 BUG: TTableCell should render &nbsp; only when Text is not set and there's no child (Qiang)
+ENH: Ticket#446 - Added TMetaTagCollection.getMetaTagByID method (Qiang)
 CHG: Ticket#437 - __autoload is replaced by spl_autoload_register (Qiang)
 CHG: constructUrl() now encodes & into &amp; by default (Qiang)
 CHG: TRepeater does not render <span> anymore for empty item template (Qiang)
diff --git a/framework/Web/UI/WebControls/THead.php b/framework/Web/UI/WebControls/THead.php
index 93858da0..746d33ac 100644
--- a/framework/Web/UI/WebControls/THead.php
+++ b/framework/Web/UI/WebControls/THead.php
@@ -342,6 +342,36 @@ class TMetaTagCollection extends TList
 		else
 			throw new TInvalidDataTypeException('metatagcollection_metatag_invalid');
 	}
+
+	/**
+	 * Finds the lowest cardinal index of the meta tag whose id is the one being looked for.
+	 * @param string the ID of the meta tag to be looked for
+	 * @return integer the index of the meta tag found, -1 if not found.
+	 */
+	public function findIndexByID($id)
+	{
+		$index=0;
+		foreach($this as $item)
+		{
+			if($item->getID()===$id)
+				return $index;
+			$index++;
+		}
+		return -1;
+	}
+
+	/**
+	 * Finds the item whose value is the one being looked for.
+	 * @param string the id of the meta tag to be looked for
+	 * @return TMetaTag the meta tag found, null if not found.
+	 */
+	public function findMetaTagByID($id)
+	{
+		if(($index=$this->findIndexByID($id))>=0)
+			return $this->itemAt($index);
+		else
+			return null;
+	}
 }
 
 ?>
\ No newline at end of file
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