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Diffstat (limited to 'lib/prado/framework/Web/UI/ActiveControls/TActiveTextBox.php')
-rw-r--r-- | lib/prado/framework/Web/UI/ActiveControls/TActiveTextBox.php | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/lib/prado/framework/Web/UI/ActiveControls/TActiveTextBox.php b/lib/prado/framework/Web/UI/ActiveControls/TActiveTextBox.php new file mode 100644 index 0000000..f80b498 --- /dev/null +++ b/lib/prado/framework/Web/UI/ActiveControls/TActiveTextBox.php @@ -0,0 +1,123 @@ +<?php +/** + * TActiveTextBox class file. + * + * @author Wei Zhuo <weizhuo[at]gamil[dot]com> + * @link https://github.com/pradosoft/prado + * @copyright Copyright © 2005-2015 The PRADO Group + * @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT + * @package System.Web.UI.ActiveControls + */ + +/** + * Load active control adapter. + */ +Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter'); + +/** + * TActiveTextBox class. + * + * TActiveTextBox allows the {@link setText Text} property of the textbox to + * be changed during callback. When {@link setAutoPostBack AutoPostBack} property + * is true, changes to the textbox contents will perform a callback request causing + * {@link onTextChanged OnTextChanged} to be fired first followed by {@link onCallback OnCallback} + * event. + * + * @author Wei Zhuo <weizhuo[at]gmail[dot]com> + * @package System.Web.UI.ActiveControls + * @since 3.1 + */ +class TActiveTextBox extends TTextBox implements ICallbackEventHandler, IActiveControl +{ + /** + * Creates a new callback control, sets the adapter to + * TActiveControlAdapter. If you override this class, be sure to set the + * adapter appropriately by, for example, by calling this constructor. + */ + public function __construct() + { + parent::__construct(); + $this->setAdapter(new TActiveControlAdapter($this)); + } + + /** + * @return TBaseActiveCallbackControl standard callback control options. + */ + public function getActiveControl() + { + return $this->getAdapter()->getBaseActiveControl(); + } + + /** + * @return TCallbackClientSide client side request options. + */ + public function getClientSide() + { + return $this->getAdapter()->getBaseActiveControl()->getClientSide(); + } + + /** + * Client-side Text property can only be updated after the OnLoad stage. + * @param string text content for the textbox + */ + public function setText($value) + { + parent::setText($value); + if($this->getActiveControl()->canUpdateClientSide() && $this->getHasLoadedPostData()) + $this->getPage()->getCallbackClient()->setValue($this, $value); + } + + /** + * Raises the callback event. This method is required by {@link + * ICallbackEventHandler} interface. + * This method is mainly used by framework and control developers. + * @param TCallbackEventParameter the event parameter + */ + public function raiseCallbackEvent($param) + { + $this->onCallback($param); + } + + /** + * This method is invoked when a callback is requested. The method raises + * 'OnCallback' event to fire up the event handlers. If you override this + * method, be sure to call the parent implementation so that the event + * handler can be invoked. + * @param TCallbackEventParameter event parameter to be passed to the event handlers + */ + public function onCallback($param) + { + $this->raiseEvent('OnCallback', $this, $param); + } + + /** + * Gets the name of the javascript class responsible for performing postback for this control. + * This method overrides the parent implementation. + * @return string the javascript class name + */ + protected function getClientClassName() + { + return 'Prado.WebUI.TActiveTextBox'; + } + + /** + * Override parent implementation, no javascript is rendered here instead + * the javascript required for active control is registered in {@link addAttributesToRender}. + */ + protected function renderClientControlScript($writer) + { + } + + /** + * Ensure that the ID attribute is rendered and registers the javascript code + * for initializing the active control. + */ + protected function addAttributesToRender($writer) + { + parent::addAttributesToRender($writer); + $writer->addAttribute('id',$this->getClientID()); + $this->getActiveControl()->registerCallbackClientScript( + $this->getClientClassName(), $this->getPostBackOptions()); + } +} + |