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/TActiveListControlAdapter.php b/framework/Web/UI/ActiveControls/TActiveListControlAdapter.php
index 927912b0..679a7f94 100644
--- a/framework/Web/UI/ActiveControls/TActiveListControlAdapter.php
+++ b/framework/Web/UI/ActiveControls/TActiveListControlAdapter.php
@@ -41,6 +41,9 @@ class TActiveListControlAdapter extends TActiveControlAdapter implements IListCo
 	 */
 	public function setSelectedIndex($index)
 	{
+		if($this->getControl()->getSelectedIndex() === $index)
+			return;
+
 		if($this->canUpdateClientSide())
 		{
 			$this->updateListItems();
@@ -64,6 +67,9 @@ class TActiveListControlAdapter extends TActiveControlAdapter implements IListCo
 	 */
 	public function setSelectedIndices($indices)
 	{
+		if($this->getControl()->getSelectedIndices() === $indices)
+			return;
+
 		if($this->canUpdateClientSide())
 		{
 			$this->updateListItems();
@@ -94,6 +100,9 @@ class TActiveListControlAdapter extends TActiveControlAdapter implements IListCo
 	 */
 	public function setSelectedValue($value)
 	{
+		if($this->getControl()->getSelectedValue() === $value)
+			return;
+
 		if($this->canUpdateClientSide())
 		{
 			$this->updateListItems();
@@ -108,6 +117,9 @@ class TActiveListControlAdapter extends TActiveControlAdapter implements IListCo
 	 */
 	public function setSelectedValues($values)
 	{
+		if($this->getControl()->getSelectedValues() === $values)
+			return;
+
 		if($this->canUpdateClientSide())
 		{
 			$this->updateListItems();