1 files changed, 42 insertions, 0 deletions
diff --git a/framework/Web/UI/IPostBackDataHandler.php b/framework/Web/UI/IPostBackDataHandler.php
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+++ b/framework/Web/UI/IPostBackDataHandler.php
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+<?php
+/**
+ * TControl, TControlCollection, TEventParameter and INamingContainer class file
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @package System.Web.UI
+ */
+
+/**
+ * IPostBackDataHandler interface
+ *
+ * If a control wants to load post data, it must implement this interface.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @package System.Web.UI
+ * @since 3.0
+ */
+interface IPostBackDataHandler
+{
+	/**
+	 * Loads user input data.
+	 * The implementation of this function can use $values[$key] to get the user input
+	 * data that are meant for the particular control.
+	 * @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 control has been changed
+	 */
+	public function loadPostData($key,$values);
+	/**
+	 * Raises postdata changed event.
+	 * The implementation of this function should raise appropriate event(s) (e.g. OnTextChanged)
+	 * indicating the control data is changed.
+	 */
+	public function raisePostDataChangedEvent();
+	/**
+	 * @return boolean whether postback causes the data change. Defaults to false for non-postback state.
+	 */
+	public function getDataChanged();
+}
+\ No newline at end of file