diff options
| -rw-r--r-- | .gitattributes | 1 | ||||
| -rw-r--r-- | framework/Web/UI/ActiveControls/TActiveDataList.php | 107 |
2 files changed, 108 insertions, 0 deletions
diff --git a/.gitattributes b/.gitattributes index 7f1970c3..1399f881 100644 --- a/.gitattributes +++ b/.gitattributes @@ -2649,6 +2649,7 @@ framework/Web/TUrlMapping.php -text framework/Web/UI/ActiveControls/TActiveButton.php -text framework/Web/UI/ActiveControls/TActiveControlAdapter.php -text framework/Web/UI/ActiveControls/TActiveCustomValidator.php -text +framework/Web/UI/ActiveControls/TActiveDataList.php -text framework/Web/UI/ActiveControls/TActiveHiddenField.php -text framework/Web/UI/ActiveControls/TActiveLabel.php -text framework/Web/UI/ActiveControls/TActivePageAdapter.php -text diff --git a/framework/Web/UI/ActiveControls/TActiveDataList.php b/framework/Web/UI/ActiveControls/TActiveDataList.php new file mode 100644 index 00000000..f0b0e9cb --- /dev/null +++ b/framework/Web/UI/ActiveControls/TActiveDataList.php @@ -0,0 +1,107 @@ +<?php +/** + * TActiveDataList class + * + * TActiveDataList represents a data bound and updatable grid control which is the + * active counterpart to the original {@link TDataList} control. + * + * This component can be used in the same way as the regular datalist, the only + * difference is that the active datalist uses callbacks instead of postbacks + * for interaction. + * + * Please refer to the original documentation of the regular counterparts for usage. + * + * @author Marcos Aurelio Nobre <marconobre@gmail.com> + * @package System.Web.UI.ActiveControls + */ +class TActiveDataList extends TDataList implements IActiveControl { + + /** + * 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 + */ + protected function getContainerID() + { + 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()) { + $this->renderDataList($writer); + if($this->getActiveControl()->canUpdateClientSide()) $this->getPage()->getCallbackClient()->replaceContent($this->getContainerID(),$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,$writer); + } + } + } + + /** + * Renders the repeater by writing a span tag with the container id obtained from {@link getContainerID()} + * which will be called by the replacement method of the client script to update it's content. + * @param THtmlWriter writer for the rendering purpose + */ + private function renderDataList($writer) + { + $writer->write('<span id="'.$this->getContainerID().'">'); + parent::render($writer); + $writer->write('</span>'); + } +} |