Added TActiveDataGrid and TActiveRepeater from LCS

2 files changed, 735 insertions, 0 deletions

diff --git a/framework/Web/UI/ActiveControls/TActiveDataGrid.php b/framework/Web/UI/ActiveControls/TActiveDataGrid.php
new file mode 100644
index 00000000..8fefe646
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveDataGrid.php
@@ -0,0 +1,630 @@
+<?php
+/**
+ * TActiveDataGrid class file
+ *
+ * @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
+ * @link http://www.landwehr-software.de/
+ * @copyright Copyright &copy; 2009 LANDWEHR Computer und Software GmbH
+ * @license http://www.pradosoft.com/license/
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * Includes the following used classes
+ */
+Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');
+Prado::using('System.Web.UI.ActiveControls.TActiveLinkButton');
+Prado::using('System.Web.UI.ActiveControls.TActiveImageButton');
+Prado::using('System.Web.UI.ActiveControls.TActiveButton');
+Prado::using('System.Web.UI.ActiveControls.TActiveImage');
+Prado::using('System.Web.UI.ActiveControls.TActiveCheckBox');
+Prado::using('System.Web.UI.WebControls.TDataGrid');
+Prado::using('System.Web.UI.WebControls.TBoundColumn');
+Prado::using('System.Web.UI.WebControls.TEditCommandColumn');
+Prado::using('System.Web.UI.WebControls.TButtonColumn');
+Prado::using('System.Web.UI.WebControls.THyperLinkColumn');
+Prado::using('System.Web.UI.WebControls.TCheckBoxColumn');
+
+/**
+ * TActiveDataGrid class
+ *
+ * TActiveDataGrid represents a data bound and updatable grid control which is the
+ * active counterpart to the original {@link TDataGrid} control.
+ *
+ * This component can be used in the same way as the regular datagrid, the only
+ * difference is that the active datagrid uses callbacks instead of postbacks
+ * for interaction.
+ *
+ * There are also active datagrid columns to work with the TActiveDataGrid, which are
+ * - {@link TActiveBoundColumn}, the active counterpart to {@link TBoundColumn}.
+ * - {@link TActiveEditCommandColumn}, the active counterpart to {@link TEditCommandColumn}.
+ * - {@link TActiveButtonColumn}, the active counterpart to {@link TButtonColumn}.
+ *
+ * Please refer to the original documentation of the regular counterparts for usage.
+ *
+ * @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
+ * @package System.Web.UI.ActiveControls
+ * @since 3.2
+ */
+class TActiveDataGrid extends TDataGrid implements IActiveControl, ISurroundable {
+/**
+ * Creates a new callback control, sets the adapter to
+ * TActiveControlAdapter.
+ */
+	public function __construct() {
+		parent::__construct();
+		$this->setAdapter(new TActiveControlAdapter($this));
+	}
+
+	/**
+	 * @return TBaseActiveControl standard active control options.
+	 */
+	public function getActiveControl() {
+		return $this->getAdapter()->getBaseActiveControl();
+	}
+
+	/**
+	 * Sets the data source object associated with the datagrid control.
+	 * In addition, the render method of all connected pagers is called so they
+	 * get updated when the data source is changed. Also the datagrid registers
+	 * itself for rendering in order to get it's content replaced on client side.
+	 * @param Traversable|array|string data source object
+	 */
+	public function setDataSource($value) {
+		parent::setDataSource($value);
+		if($this->getActiveControl()->canUpdateClientSide()) {
+			$this->renderPager();
+			$this->getPage()->getAdapter()->registerControlToRender($this,$this->getResponse()->createHtmlWriter());
+		}
+	}
+
+	/**
+	 * Returns the id of the surrounding container (span).
+	 * @return string container id
+	 */
+	public function getSurroundingTagId() {
+		return $this->ClientID.'_Container';
+	}
+
+	/**
+	 * Creates a pager button.
+	 * Depending on the button type, a TActiveLinkButton or a TActiveButton may be created.
+	 * If it is enabled (clickable), its command name and parameter will also be set.
+	 * It overrides the datagrid's original method to create active controls instead, thus
+	 * the pager will do callbacks instead of the regular postbacks.
+	 * @param string button type, either LinkButton or PushButton
+	 * @param boolean whether the button should be enabled
+	 * @param string caption of the button
+	 * @param string CommandName corresponding to the OnCommand event of the button
+	 * @param string CommandParameter corresponding to the OnCommand event of the button
+	 * @return mixed the button instance
+	 */
+	protected function createPagerButton($buttonType,$enabled,$text,$commandName,$commandParameter) {
+		if($buttonType===TDataGridPagerButtonType::LinkButton) {
+			if($enabled)
+				$button=new TActiveLinkButton;
+			else {
+				$button=new TLabel;
+				$button->setText($text);
+				return $button;
+			}
+		}
+		else {
+			$button=new TActiveButton;
+			if(!$enabled)
+				$button->setEnabled(false);
+		}
+		$button->setText($text);
+		$button->setCommandName($commandName);
+		$button->setCommandParameter($commandParameter);
+		$button->setCausesValidation(false);
+		return $button;
+	}
+
+	/**
+	 * Renders the datagrid.
+	 * If the datagrid did not pass the prerender phase yet, it will register itself for rendering later.
+	 * Else it will call the {@link renderDataGrid()} method which will do the rendering of the datagrid.
+	 * @param THtmlWriter writer for the rendering purpose
+	 */
+	public function render($writer) {
+		if($this->getHasPreRendered()) {
+			$this->renderDataGrid($writer);
+			if($this->getActiveControl()->canUpdateClientSide()) $this->getPage()->getCallbackClient()->replaceContent($this->getSurroundingTagId(),$writer);
+		}
+		else {
+			$this->getPage()->getAdapter()->registerControlToRender($this,$writer);
+		}
+	}
+
+	/**
+	 * Loops through all {@link TActivePager} on the page and registers the ones which are set to paginate
+	 * the datagrid for rendering. This is to ensure that the connected pagers are also rendered if the
+	 * data source changed.
+	 */
+	private function renderPager() {
+		$pager=$this->getPage()->findControlsByType('TActivePager', false);
+		foreach($pager as $item) {
+			if($item->ControlToPaginate==$this->ID) {
+				$writer=$this->getResponse()->createHtmlWriter();
+				$this->getPage()->getAdapter()->registerControlToRender($item,$writer);
+			}
+		}
+	}
+
+	/**
+	 * Renders the datagrid by writing a span tag with the container id obtained from {@link getSurroundingTagId()}
+	 * which will be called by the replacement method of the client script to update it's content.
+	 * @param THtmlWriter writer for the rendering purpose
+	 */
+	private function renderDataGrid($writer) {
+		$writer->write('<span id="'.$this->getSurroundingTagId().'">');
+		parent::render($writer);
+		$writer->write('</span>');
+	}
+}
+
+
+/**
+ * TActiveBoundColumn class
+ *
+ * TActiveBoundColumn represents a column that is bound to a field in a data source.
+ * The cells in the column will be displayed using the data indexed by
+ * {@link setDataField DataField}. You can customize the display by
+ * setting {@link setDataFormatString DataFormatString}.
+ *
+ * This is the active counterpart to the {@link TBoundColumn} control. For that purpose,
+ * if sorting is allowed, the header links/buttons are replaced by active controls.
+ *
+ * Please refer to the original documentation of the {@link TBoundColumn} for usage.
+ *
+ * @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
+ * @package LANDWEHR.ActiveControls
+ * @since 3.1.4
+ */
+class TActiveBoundColumn extends TBoundColumn {
+	protected function initializeHeaderCell($cell,$columnIndex) {
+		$text=$this->getHeaderText();
+
+		if(($classPath=$this->getHeaderRenderer())!=='') {
+			$control=Prado::createComponent($classPath);
+			if($control instanceof IDataRenderer) {
+				if($control instanceof IItemDataRenderer) {
+					$item=$cell->getParent();
+					$control->setItemIndex($item->getItemIndex());
+					$control->setItemType($item->getItemType());
+				}
+				$control->setData($text);
+			}
+			$cell->getControls()->add($control);
+		}
+		else if($this->getAllowSorting()) {
+				$sortExpression=$this->getSortExpression();
+				if(($url=$this->getHeaderImageUrl())!=='') {
+					$button=Prado::createComponent('System.Web.UI.WebControls.TActiveImageButton');
+					$button->setImageUrl($url);
+					$button->setCommandName(TDataGrid::CMD_SORT);
+					$button->setCommandParameter($sortExpression);
+					if($text!=='') {
+						$button->setAlternateText($text);
+						$button->setToolTip($text);
+					}
+					$button->setCausesValidation(false);
+					$cell->getControls()->add($button);
+				}
+				else if($text!=='') {
+						$button=Prado::createComponent('System.Web.UI.WebControls.TActiveLinkButton');
+						$button->setText($text);
+						$button->setCommandName(TDataGrid::CMD_SORT);
+						$button->setCommandParameter($sortExpression);
+						$button->setCausesValidation(false);
+						$cell->getControls()->add($button);
+					}
+					else
+						$cell->setText('&nbsp;');
+			}
+			else {
+				if(($url=$this->getHeaderImageUrl())!=='') {
+					$image=Prado::createComponent('System.Web.UI.WebControls.TActiveImage');
+					$image->setImageUrl($url);
+					if($text!=='') {
+						$image->setAlternateText($text);
+						$image->setToolTip($text);
+					}
+					$cell->getControls()->add($image);
+				}
+				else if($text!=='')
+						$cell->setText($text);
+					else
+						$cell->setText('&nbsp;');
+			}
+	}
+}
+
+
+/**
+ * TActiveEditCommandColumn class
+ *
+ * TActiveEditCommandColumn contains the Edit command buttons for editing data items in each row.
+ *
+ * TActiveEditCommandColumn will create an edit button if a cell is not in edit mode.
+ * Otherwise an update button and a cancel button will be created within the cell.
+ * The button captions are specified using {@link setEditText EditText},
+ * {@link setUpdateText UpdateText}, and {@link setCancelText CancelText}.
+ *
+ * This is the active counterpart to the {@link TEditCommandColumn} control. The buttons for
+ * interaction are replaced by active buttons.
+ *
+ * Please refer to the original documentation of the {@link TEditCommandColumn} for usage.
+ *
+ * @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
+ * @package LANDWEHR.ActiveControls
+ * @since 3.1.4
+ */
+class TActiveEditCommandColumn extends TEditCommandColumn {
+	protected function createButton($commandName,$text,$causesValidation,$validationGroup) {
+		if($this->getButtonType()===TButtonColumnType::LinkButton)
+			$button=Prado::createComponent('System.Web.UI.WebControls.TActiveLinkButton');
+		else if($this->getButtonType()===TButtonColumnType::PushButton)
+				$button=Prado::createComponent('System.Web.UI.WebControls.TActiveButton');
+			else  // image buttons
+			{
+				$button=Prado::createComponent('System.Web.UI.WebControls.TActiveImageButton');
+				$button->setToolTip($text);
+				if(strcasecmp($commandName,'Update')===0)
+					$url=$this->getUpdateImageUrl();
+				else if(strcasecmp($commandName,'Cancel')===0)
+						$url=$this->getCancelImageUrl();
+					else
+						$url=$this->getEditImageUrl();
+				$button->setImageUrl($url);
+			}
+		$button->setText($text);
+		$button->setCommandName($commandName);
+		$button->setCausesValidation($causesValidation);
+		$button->setValidationGroup($validationGroup);
+		return $button;
+	}
+}
+
+
+/**
+ * TActiveButtonColumn class
+ *
+ * TActiveButtonColumn contains a user-defined command button, such as Add or Remove,
+ * that corresponds with each row in the column.
+ *
+ * This is the active counterpart to the {@link TButtonColumn} control where the
+ * button is replaced by the appropriate active button control.
+ *
+ * Please refer to the original documentation of the {@link TButtonColumn} for usage.
+ *
+ * @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
+ * @package LANDWEHR.ActiveControls
+ * @since 3.1.4
+ */
+class TActiveButtonColumn extends TButtonColumn {
+	public function initializeCell($cell,$columnIndex,$itemType) {
+		if($itemType===TListItemType::Item || $itemType===TListItemType::AlternatingItem || $itemType===TListItemType::SelectedItem || $itemType===TListItemType::EditItem) {
+			$buttonType=$this->getButtonType();
+			if($buttonType===TButtonColumnType::LinkButton)
+				$button=new TActiveLinkButton;
+			else if($buttonType===TButtonColumnType::PushButton)
+					$button=new TActiveButton;
+				else // image button
+				{
+					$button=new TActiveImageButton;
+					$button->setImageUrl($this->getImageUrl());
+					$button->setToolTip($this->getText());
+				}
+			$button->setText($this->getText());
+			$button->setCommandName($this->getCommandName());
+			$button->setCausesValidation($this->getCausesValidation());
+			$button->setValidationGroup($this->getValidationGroup());
+			if($this->getDataTextField()!=='' || ($buttonType===TButtonColumnType::ImageButton && $this->getDataImageUrlField()!==''))
+				$button->attachEventHandler('OnDataBinding',array($this,'dataBindColumn'));
+			$cell->getControls()->add($button);
+			$cell->registerObject('Button',$button);
+		}
+		else
+			parent::initializeCell($cell,$columnIndex,$itemType);
+	}
+}
+
+
+/**
+ * TActiveTemplateColumn class
+ *
+ * TActiveTemplateColumn customizes the layout of controls in the column with templates.
+ * In particular, you can specify {@link setItemTemplate ItemTemplate},
+ * {@link setEditItemTemplate EditItemTemplate}, {@link setHeaderTemplate HeaderTemplate}
+ * and {@link setFooterTemplate FooterTemplate} to customize specific
+ * type of cells in the column.
+ *
+ * This is the active counterpart to the {@link TTemplateColumn} control. For that purpose,
+ * if sorting is allowed, the header links/buttons are replaced by active controls.
+ *
+ * Please refer to the original documentation of the {@link TTemplateColumn} for usage.
+ *
+ * @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
+ * @package LANDWEHR.ActiveControls
+ * @since 3.1.4
+ */
+class TActiveTemplateColumn extends TTemplateColumn {
+	protected function initializeHeaderCell($cell,$columnIndex) {
+		$text=$this->getHeaderText();
+
+		if(($classPath=$this->getHeaderRenderer())!=='') {
+			$control=Prado::createComponent($classPath);
+			if($control instanceof IDataRenderer) {
+				if($control instanceof IItemDataRenderer) {
+					$item=$cell->getParent();
+					$control->setItemIndex($item->getItemIndex());
+					$control->setItemType($item->getItemType());
+				}
+				$control->setData($text);
+			}
+			$cell->getControls()->add($control);
+		}
+		else if($this->getAllowSorting()) {
+				$sortExpression=$this->getSortExpression();
+				if(($url=$this->getHeaderImageUrl())!=='') {
+					$button=Prado::createComponent('System.Web.UI.WebControls.TActiveImageButton');
+					$button->setImageUrl($url);
+					$button->setCommandName(TDataGrid::CMD_SORT);
+					$button->setCommandParameter($sortExpression);
+					if($text!=='')
+						$button->setAlternateText($text);
+					$button->setCausesValidation(false);
+					$cell->getControls()->add($button);
+				}
+				else if($text!=='') {
+						$button=Prado::createComponent('System.Web.UI.WebControls.TActiveLinkButton');
+						$button->setText($text);
+						$button->setCommandName(TDataGrid::CMD_SORT);
+						$button->setCommandParameter($sortExpression);
+						$button->setCausesValidation(false);
+						$cell->getControls()->add($button);
+					}
+					else
+						$cell->setText('&nbsp;');
+			}
+			else {
+				if(($url=$this->getHeaderImageUrl())!=='') {
+					$image=Prado::createComponent('System.Web.UI.WebControls.TActiveImage');
+					$image->setImageUrl($url);
+					if($text!=='')
+						$image->setAlternateText($text);
+					$cell->getControls()->add($image);
+				}
+				else if($text!=='')
+						$cell->setText($text);
+					else
+						$cell->setText('&nbsp;');
+			}
+	}
+}
+
+class TActiveHyperLinkColumn extends THyperLinkColumn
+{
+
+	protected function initializeHeaderCell($cell,$columnIndex)
+	{
+		$text=$this->getHeaderText();
+
+		if(($classPath=$this->getHeaderRenderer())!=='')
+		{
+			$control=Prado::createComponent($classPath);
+			if($control instanceof IDataRenderer)
+			{
+				if($control instanceof IItemDataRenderer)
+				{
+					$item=$cell->getParent();
+					$control->setItemIndex($item->getItemIndex());
+					$control->setItemType($item->getItemType());
+				}
+				$control->setData($text);
+			}
+			$cell->getControls()->add($control);
+		}
+		else if($this->getAllowSorting())
+		{
+			$sortExpression=$this->getSortExpression();
+			if(($url=$this->getHeaderImageUrl())!=='')
+			{
+				$button=Prado::createComponent('System.Web.UI.WebControls.TActiveImageButton');
+				$button->setImageUrl($url);
+				$button->setCommandName(TDataGrid::CMD_SORT);
+				$button->setCommandParameter($sortExpression);
+				if($text!=='')
+					$button->setAlternateText($text);
+				$button->setCausesValidation(false);
+				$cell->getControls()->add($button);
+			}
+			else if($text!=='')
+			{
+				$button=Prado::createComponent('System.Web.UI.WebControls.TActiveLinkButton');
+				$button->setText($text);
+				$button->setCommandName(TDataGrid::CMD_SORT);
+				$button->setCommandParameter($sortExpression);
+				$button->setCausesValidation(false);
+				$cell->getControls()->add($button);
+			}
+			else
+				$cell->setText('&nbsp;');
+		}
+		else
+		{
+			if(($url=$this->getHeaderImageUrl())!=='')
+			{
+				$image=Prado::createComponent('System.Web.UI.WebControls.TActiveImage');
+				$image->setImageUrl($url);
+				if($text!=='')
+					$image->setAlternateText($text);
+				$cell->getControls()->add($image);
+			}
+			else if($text!=='')
+				$cell->setText($text);
+			else
+				$cell->setText('&nbsp;');
+		}
+	}
+}
+
+class TActiveCheckBoxColumn extends TCheckBoxColumn
+{
+		/**
+	 * Initializes the specified cell to its initial values.
+	 * This method overrides the parent implementation.
+	 * It creates a checkbox inside the cell.
+	 * If the column is read-only or if the item is not in edit mode,
+	 * the checkbox will be set disabled.
+	 * @param TTableCell the cell to be initialized.
+	 * @param integer the index to the Columns property that the cell resides in.
+	 * @param string the type of cell (Header,Footer,Item,AlternatingItem,EditItem,SelectedItem)
+	 */
+	public function initializeCell($cell,$columnIndex,$itemType)
+	{
+		if($itemType===TListItemType::Item || $itemType===TListItemType::AlternatingItem || $itemType===TListItemType::SelectedItem || $itemType===TListItemType::EditItem)
+		{
+			$checkBox=new TActiveCheckBox;
+			if($this->getReadOnly() || $itemType!==TListItemType::EditItem)
+				$checkBox->setEnabled(false);
+			$cell->setHorizontalAlign('Center');
+			$cell->getControls()->add($checkBox);
+			$cell->registerObject('CheckBox',$checkBox);
+			if($this->getDataField()!=='')
+				$checkBox->attachEventHandler('OnDataBinding',array($this,'dataBindColumn'));
+		}
+		else
+			parent::initializeCell($cell,$columnIndex,$itemType);
+	}
+
+	protected function initializeHeaderCell($cell,$columnIndex)
+	{
+		$text=$this->getHeaderText();
+
+		if(($classPath=$this->getHeaderRenderer())!=='')
+		{
+			$control=Prado::createComponent($classPath);
+			if($control instanceof IDataRenderer)
+			{
+				if($control instanceof IItemDataRenderer)
+				{
+					$item=$cell->getParent();
+					$control->setItemIndex($item->getItemIndex());
+					$control->setItemType($item->getItemType());
+				}
+				$control->setData($text);
+			}
+			$cell->getControls()->add($control);
+		}
+		else if($this->getAllowSorting())
+		{
+			$sortExpression=$this->getSortExpression();
+			if(($url=$this->getHeaderImageUrl())!=='')
+			{
+				$button=Prado::createComponent('System.Web.UI.WebControls.TActiveImageButton');
+				$button->setImageUrl($url);
+				$button->setCommandName(TDataGrid::CMD_SORT);
+				$button->setCommandParameter($sortExpression);
+				if($text!=='')
+					$button->setAlternateText($text);
+				$button->setCausesValidation(false);
+				$cell->getControls()->add($button);
+			}
+			else if($text!=='')
+			{
+				$button=Prado::createComponent('System.Web.UI.WebControls.TActiveLinkButton');
+				$button->setText($text);
+				$button->setCommandName(TDataGrid::CMD_SORT);
+				$button->setCommandParameter($sortExpression);
+				$button->setCausesValidation(false);
+				$cell->getControls()->add($button);
+			}
+			else
+				$cell->setText('&nbsp;');
+		}
+		else
+		{
+			if(($url=$this->getHeaderImageUrl())!=='')
+			{
+				$image=Prado::createComponent('System.Web.UI.WebControls.TActiveImage');
+				$image->setImageUrl($url);
+				if($text!=='')
+					$image->setAlternateText($text);
+				$cell->getControls()->add($image);
+			}
+			else if($text!=='')
+				$cell->setText($text);
+			else
+				$cell->setText('&nbsp;');
+		}
+	}
+}
+
+class TActiveDropDownListColumn extends TDropDownListColumn
+{
+	protected function initializeHeaderCell($cell,$columnIndex)
+	{
+		$text=$this->getHeaderText();
+
+		if(($classPath=$this->getHeaderRenderer())!=='')
+		{
+			$control=Prado::createComponent($classPath);
+			if($control instanceof IDataRenderer)
+			{
+				if($control instanceof IItemDataRenderer)
+				{
+					$item=$cell->getParent();
+					$control->setItemIndex($item->getItemIndex());
+					$control->setItemType($item->getItemType());
+				}
+				$control->setData($text);
+			}
+			$cell->getControls()->add($control);
+		}
+		else if($this->getAllowSorting())
+		{
+			$sortExpression=$this->getSortExpression();
+			if(($url=$this->getHeaderImageUrl())!=='')
+			{
+				$button=Prado::createComponent('System.Web.UI.WebControls.TActiveImageButton');
+				$button->setImageUrl($url);
+				$button->setCommandName(TDataGrid::CMD_SORT);
+				$button->setCommandParameter($sortExpression);
+				if($text!=='')
+					$button->setAlternateText($text);
+				$button->setCausesValidation(false);
+				$cell->getControls()->add($button);
+			}
+			else if($text!=='')
+			{
+				$button=Prado::createComponent('System.Web.UI.WebControls.TActiveLinkButton');
+				$button->setText($text);
+				$button->setCommandName(TDataGrid::CMD_SORT);
+				$button->setCommandParameter($sortExpression);
+				$button->setCausesValidation(false);
+				$cell->getControls()->add($button);
+			}
+			else
+				$cell->setText('&nbsp;');
+		}
+		else
+		{
+			if(($url=$this->getHeaderImageUrl())!=='')
+			{
+				$image=Prado::createComponent('System.Web.UI.WebControls.TActiveImage');
+				$image->setImageUrl($url);
+				if($text!=='')
+					$image->setAlternateText($text);
+				$cell->getControls()->add($image);
+			}
+			else if($text!=='')
+				$cell->setText($text);
+			else
+				$cell->setText('&nbsp;');
+		}
+	}
+
+}
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActiveRepeater.php b/framework/Web/UI/ActiveControls/TActiveRepeater.php
new file mode 100644
index 00000000..941b6322
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveRepeater.php
@@ -0,0 +1,105 @@
+<?php
+
+/**
+ * TActiveRepeater class
+ *
+ * TActiveRepeater represents a data bound and updatable grid control which is the
+ * active counterpart to the original {@link TRepeater} control.
+ *
+ * This component can be used in the same way as the regular datagrid, the only
+ * difference is that the active repeater uses callbacks instead of postbacks
+ * for interaction.
+ *
+ * Please refer to the original documentation of the regular counterparts for usage.
+ *
+ * @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
+ * @package System.Web.UI.ActiveControls
+ * @since 3.2
+ */
+class TActiveRepeater extends TRepeater implements IActiveControl, ISurroundable {
+
+/**
+ * Creates a new callback control, sets the adapter to
+ * TActiveControlAdapter.
+ */
+	public function __construct() {
+		parent::__construct();
+		$this->setAdapter(new TActiveControlAdapter($this));
+	}
+
+	/**
+	 * @return TBaseActiveControl standard active control options.
+	 */
+	public function getActiveControl() {
+		return $this->getAdapter()->getBaseActiveControl();
+	}
+
+	/**
+	 * Sets the data source object associated with the repeater control.
+	 * In addition, the render method of all connected pagers is called so they
+	 * get updated when the data source is changed. Also the repeater registers
+	 * itself for rendering in order to get it's content replaced on client side.
+	 * @param Traversable|array|string data source object
+	 */
+	public function setDataSource($value) {
+		parent::setDataSource($value);
+		if($this->getActiveControl()->canUpdateClientSide()) {
+			$this->renderPager();
+			$this->getPage()->getAdapter()->registerControlToRender($this,$this->getResponse()->createHtmlWriter());
+		}
+	}
+
+	/**
+	 * Returns the id of the surrounding container (span).
+	 * @return string container id
+	 */
+	public function getSurroundingTagID() {
+		return $this->ClientID.'_Container';
+	}
+
+	/**
+	 * Renders the repeater.
+	 * If the repeater did not pass the prerender phase yet, it will register itself for rendering later.
+	 * Else it will call the {@link renderRepeater()} method which will do the rendering of the repeater.
+	 * @param THtmlWriter writer for the rendering purpose
+	 */
+	public function render($writer) {
+		if($this->getHasPreRendered()) {
+			$this->renderRepeater($writer);
+			if($this->getActiveControl()->canUpdateClientSide()) $this->getPage()->getCallbackClient()->replaceContent($this->getSurroundingTagId(),$writer);
+		}
+		else {
+			$this->getPage()->getAdapter()->registerControlToRender($this,$writer);
+		}
+	}
+
+	/**
+	 * Loops through all {@link TActivePager} on the page and registers the ones which are set to paginate
+	 * the repeater for rendering. This is to ensure that the connected pagers are also rendered if the
+	 * data source changed.
+	 */
+	private function renderPager() {
+		$pager=$this->getPage()->findControlsByType('TActivePager', false);
+		foreach($pager as $item) {
+			if($item->ControlToPaginate==$this->ID) {
+				$writer=$this->getResponse()->createHtmlWriter();
+				$this->getPage()->getAdapter()->registerControlToRender($item,$writer);
+			}
+		}
+	}
+
+	/**
+	 * Renders the repeater by writing a span tag with the container id obtained from {@link getSurroundingTagID()}
+	 * which will be called by the replacement method of the client script to update it's content.
+	 * @param THtmlWriter writer for the rendering purpose
+	 */
+	private function renderRepeater($writer) {
+		$writer->addAttribute('id',$this->getSurroundingTagID());
+		$writer->renderBeginTag('span');
+		parent::render($writer);
+		$writer->renderEndTag();
+	}
+
+}
+
+?>
\ No newline at end of file