From 8d8b6688cbbb1febe92012ccc2a4158fa594fcb3 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Wed, 5 Jul 2006 04:23:43 +0000
Subject: Fixed #223 #225

---
 framework/Web/UI/WebControls/TRadioButton.php | 36 +++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'framework/Web/UI/WebControls/TRadioButton.php')

diff --git a/framework/Web/UI/WebControls/TRadioButton.php b/framework/Web/UI/WebControls/TRadioButton.php
index 9198be1b..6ddd7c96 100644
--- a/framework/Web/UI/WebControls/TRadioButton.php
+++ b/framework/Web/UI/WebControls/TRadioButton.php
@@ -37,6 +37,8 @@ Prado::using('System.Web.UI.WebControls.TRadioButtonList');
  * between posts to the server.
  *
  * TRadioButton uses {@link setGroupName GroupName} to group together a set of radio buttons.
+ * Once the {@link setGroupName GroupName} is set, you can use the {@link getRadioButtonsInGroup}
+ * method to get an array of TRadioButtons having the same group name.
  *
  * If {@link setAutoPostBack AutoPostBack} is set true, changing the radio button state
  * will cause postback action. And if {@link setCausesValidation CausesValidation}
@@ -53,6 +55,10 @@ Prado::using('System.Web.UI.WebControls.TRadioButtonList');
  */
 class TRadioButton extends TCheckBox
 {
+	/**
+	 * @param array list of radio buttons registered.
+	 */
+	private static $_radiobuttons=array();	
 	/**
 	 * @var string the name used to fetch radiobutton post data
 	 */
@@ -99,6 +105,36 @@ class TRadioButton extends TCheckBox
 	public function setGroupName($value)
 	{
 		$this->setViewState('GroupName',$value,'');
+		$this->registerRadioButton($this);
+	}
+	
+	/**
+	 * Register radio button control grouping.
+	 * @param TRadioButton control to add
+	 */
+	private function registerRadioButton(TRadioButton $control)
+	{
+		$id = $control->getUniqueID();
+		if(!isset(self::$_radiobuttons[$id]))
+			self::$_radiobuttons[$id] = $control;
+	}
+	
+	/**  
+	 * Gets an array of RadioButtons with same group name.
+	 * Radio buttons are grouped when the GroupName property is set.
+	 * This method will always return at least the current radio button in the array.
+	 * @return array list of TRadioButton with the same group
+	 */
+	public function getRadioButtonsInGroup()
+	{
+		$group = $this->getUniqueGroupName();
+		$buttons = array();
+		foreach(self::$_radiobuttons as $control)
+		{
+			if($control->getUniqueGroupName() === $group)
+				$buttons[] = $control;
+		}
+		return count($buttons) > 0 ? $buttons : array($this);
 	}
 
 	/**
-- 
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