diff options
| author | xue <> | 2005-11-10 12:47:19 +0000 |
|---|---|---|
| committer | xue <> | 2005-11-10 12:47:19 +0000 |
| commit | 55c4ac1bfe565f1ca7f537fdd8b7a201be28e581 (patch) | |
| tree | a0599d5e36fdbb3f1e169ae56bab7d529597e3eb /framework/Web/UI/WebControls/THiddenField.php | |
Initial import of prado framework
Diffstat (limited to 'framework/Web/UI/WebControls/THiddenField.php')
| -rw-r--r-- | framework/Web/UI/WebControls/THiddenField.php | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/framework/Web/UI/WebControls/THiddenField.php b/framework/Web/UI/WebControls/THiddenField.php new file mode 100644 index 00000000..c46f1cda --- /dev/null +++ b/framework/Web/UI/WebControls/THiddenField.php @@ -0,0 +1,123 @@ +<?php
+/**
+ * THiddenField class file.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.xisc.com/
+ * @copyright Copyright © 2004-2005, Qiang Xue
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ * @version $Revision: $ $Date: $
+ * @package System.Web.UI.WebControls
+ */
+
+/**
+ * THiddenField class
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Revision: $ $Date: $
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class THiddenField extends TControl implements IPostBackDataHandler
+{
+ /**
+ * @return string tag name of the hyperlink
+ */
+ protected function getTagName()
+ {
+ return 'input';
+ }
+
+ public function focus()
+ {
+ throw new TInvalidOperationException('xxx');
+ }
+
+ protected function addAttributesToRender($writer)
+ {
+ $page=$this->getPage();
+ $page->ensureRenderInForm($this);
+ $writer->addAttribute('type','hidden');
+ if(($uid=$this->getUniqueID())!=='')
+ $writer->addAttribute('name',$uid);
+ if(($id=$this->getID())!=='')
+ $writer->addAttribute('id',$id);
+ if(($value=$this->getValue())!=='')
+ $writer->addAttribute('value',$value);
+ }
+
+ /**
+ * @return string the value of the THiddenField
+ */
+ public function getValue()
+ {
+ return $this->getViewState('Value','');
+ }
+
+ /**
+ * Sets the value of the THiddenField
+ * @param string the value to be set
+ */
+ public function setValue($value)
+ {
+ $this->setViewState('Value',$value,'');
+ }
+
+ public function getEnableTheming()
+ {
+ return false;
+ }
+
+ public function setEnableTheming($value)
+ {
+ throw new TInvalidOperationException('no_theming_support');
+ }
+
+ public function setSkinID($value)
+ {
+ throw new TInvalidOperationException('no_theming_support');
+ }
+
+ /**
+ * Loads hidden field data.
+ * This method is primarly used by framework developers.
+ * @param string the key that can be used to retrieve data from the input data collection
+ * @param array the input data collection
+ * @return boolean whether the data of the component has been changed
+ */
+ public function loadPostData($key,$values)
+ {
+ $value=$values[$key];
+ if($value===$this->getValue())
+ return false;
+ else
+ {
+ $this->setValue($value);
+ return true;
+ }
+ }
+
+ /**
+ * Raises postdata changed event.
+ * This method calls {@link onValueChanged} method.
+ * This method is primarly used by framework developers.
+ */
+ public function raisePostDataChangedEvent()
+ {
+ $this->onValueChanged(new TEventParameter);
+ }
+
+ /**
+ * This method is invoked when the value of the <b>Value</b> property changes between posts to the server.
+ * The method raises 'ValueChanged' event to fire up the event delegates.
+ * If you override this method, be sure to call the parent implementation
+ * so that the event delegates can be invoked.
+ * @param TEventParameter event parameter to be passed to the event handlers
+ */
+ public function onValueChanged($param)
+ {
+ $this->raiseEvent('ValueChanged',$this,$param);
+ }
+}
+
+?>
\ No newline at end of file |