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authorcarl <>2007-06-09 08:13:24 +0000
committercarl <>2007-06-09 08:13:24 +0000
commit57089028b6e03a2c15687b5e4708dd2011af287d (patch)
treec9358e042193cf14126e1e7a0ea37374a6109ded /framework
parent3a20da669833970aad82c03ab6d613668c542fdb (diff)
implemented TActiveHiddenField
Diffstat (limited to 'framework')
-rw-r--r--framework/Web/UI/ActiveControls/TActiveHiddenField.php117
1 files changed, 117 insertions, 0 deletions
diff --git a/framework/Web/UI/ActiveControls/TActiveHiddenField.php b/framework/Web/UI/ActiveControls/TActiveHiddenField.php
new file mode 100644
index 00000000..7b2a247b
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveHiddenField.php
@@ -0,0 +1,117 @@
+<?php
+/**
+ * TActiveHiddenField class file.
+ *
+ * @author Carl G. Mathisen <carlgmathisen@gmail.com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2007 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id$
+ * @package System.Web.UI.ActiveControls
+ */
+Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');
+/**
+ * TActiveHiddenField class
+ *
+ * TActiveHiddenField displays a hidden input field on a Web page.
+ * The value of the input field can be accessed via {@link getValue Value} property.
+ *
+ * @author Carl G. Mathisen <carlgmathisen@gmail.com>
+ * @package System.Web.UI.WebControls
+ * @since 3.1
+ */
+class TActiveHiddenField extends THiddenField 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 $this->getAdapter()->getBaseActiveControl()->getClientSide();
+ }
+
+ /**
+ * Client-side Value property can only be updated after the OnLoad stage.
+ * @param string text content for the hidden field
+ */
+ public function setValue($value)
+ {
+ parent::setValue($value);
+ if($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, $param);
+ }
+
+ /**
+ * Gets the name of the javascript class responsible for performing postback for this control.
+ * This method overrides the parent implementation.
+ * @return string the javascript class name
+ */
+ protected function getClientClassName()
+ {
+ return 'Prado.WebUI.TActiveHiddenField';
+ }
+
+ /**
+ * Override parent implementation, no javascript is rendered here instead
+ * the javascript required for active control is registered in {@link addAttributesToRender}.
+ */
+ protected function renderClientControlScript($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());
+ }
+}
+
+?> \ No newline at end of file