Activecontrols: avoid updating client side if the value didn't change

Fix #399

1 files changed, 12 insertions, 0 deletions

diff --git a/framework/Web/UI/ActiveControls/TActiveImageButton.php b/framework/Web/UI/ActiveControls/TActiveImageButton.php
index 351a9965..5b64e3f7 100644
--- a/framework/Web/UI/ActiveControls/TActiveImageButton.php
+++ b/framework/Web/UI/ActiveControls/TActiveImageButton.php
@@ -58,6 +58,9 @@ class TActiveImageButton extends TImageButton implements IActiveControl, ICallba
 	 */
 	public function setAlternateText($value)
 	{
+		if(parent::getAlternateText() === $value)
+			return;
+
 		parent::setAlternateText($value);
 		if($this->getActiveControl()->canUpdateClientSide())
 			$this->getPage()->getCallbackClient()->setAttribute($this, 'alt', $value);
@@ -72,6 +75,9 @@ class TActiveImageButton extends TImageButton implements IActiveControl, ICallba
 	 */
 	public function setImageAlign($value)
 	{
+		if(parent::getImageAlign() === $value)
+			return;
+
 		parent::setImageAlign($value);
 		if($this->getActiveControl()->canUpdateClientSide())
 			$this->getPage()->getCallbackClient()->setAttribute($this, 'align', $value);
@@ -82,6 +88,9 @@ class TActiveImageButton extends TImageButton implements IActiveControl, ICallba
 	 */
 	public function setImageUrl($value)
 	{
+		if(parent::getImageUrl() === $value)
+			return;
+
 		parent::setImageUrl($value);
 		if($this->getActiveControl()->canUpdateClientSide())
 			$this->getPage()->getCallbackClient()->setAttribute($this, 'src', $value);
@@ -92,6 +101,9 @@ class TActiveImageButton extends TImageButton implements IActiveControl, ICallba
 	 */
 	public function setDescriptionUrl($value)
 	{
+		if(parent::getDescriptionUrl() === $value)
+			return;
+
 		parent::setDescriptionUrl($value);
 		if($this->getActiveControl()->canUpdateClientSide())
 			$this->getPage()->getCallbackClient()->setAttribute($this, 'longdesc', $value);