diff options
author | ctrlaltca@gmail.com <> | 2011-06-01 09:39:26 +0000 |
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committer | ctrlaltca@gmail.com <> | 2011-06-01 09:39:26 +0000 |
commit | 5c0a31f2407037665e8640e486c36d6c71c5ca90 (patch) | |
tree | 5b6db25c8992e3767f57dd3301464642fd6ae145 /framework/Web/UI/ActiveControls/TActiveRepeater.php | |
parent | 3abc397e9b53623dd373746e8ab9bd5dd455cd0c (diff) |
backported active data controls + some other goodies from trunk/ ; updated docs
Diffstat (limited to 'framework/Web/UI/ActiveControls/TActiveRepeater.php')
-rw-r--r-- | framework/Web/UI/ActiveControls/TActiveRepeater.php | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/framework/Web/UI/ActiveControls/TActiveRepeater.php b/framework/Web/UI/ActiveControls/TActiveRepeater.php new file mode 100644 index 00000000..ccfda4aa --- /dev/null +++ b/framework/Web/UI/ActiveControls/TActiveRepeater.php @@ -0,0 +1,113 @@ +<?php +/** + * TActiveRepeater class file + * + * @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de> + * @package System.Web.UI.ActiveControls + * @since 3.2 + * @version $Id: TActiveRepeater.php 2707 2009-09-29 10:33:30Z Christophe.Boulain $ + */ + +/** + * 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(); + } + +} + +?>
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