From 1ba083b9bf77b334b773b84d4d9e5f44319d17a2 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Mon, 2 Apr 2007 06:19:55 +0000
Subject: Fixed #585, #586

---
 framework/Web/UI/WebControls/TButton.php | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

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

diff --git a/framework/Web/UI/WebControls/TButton.php b/framework/Web/UI/WebControls/TButton.php
index aa4e21a7..9f2b2825 100644
--- a/framework/Web/UI/WebControls/TButton.php
+++ b/framework/Web/UI/WebControls/TButton.php
@@ -130,13 +130,30 @@ class TButton extends TWebControl implements IPostBackEventHandler, IButtonContr
 			return false;
 	}
 
+	/**
+	 * @param boolean set by a panel to register this button as the default button for the panel.
+	 */
+	public function setIsDefaultButton($value)
+	{
+		$this->setViewState('IsDefaultButton', TPropertyValue::ensureBoolean($value),false);
+	}
+
+	/**
+	 * @return boolean true if this button is registered as a default button for a panel.
+	 */
+	public function getIsDefaultButton()
+	{
+		return $this->getViewState('IsDefaultButton', false);
+	}
+
 	/**
 	 * @return boolean whether the button needs javascript to do postback
 	 */
 	protected function needPostBackScript()
 	{
-		//IE needs JS to be rendered for default button to work if no validators are assigned to this button
-		return $this->canCauseValidation() || $this->hasEventHandler('OnClick') || $this->hasEventHandler('OnCommand');
+		return $this->canCauseValidation() || ($this->getButtonType()!==TButtonType::Submit &&
+			($this->hasEventHandler('OnClick') || $this->hasEventHandler('OnCommand')))
+			|| $this->getIsDefaultButton();
 	}
 
 	/**
-- 
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