standardize the use of unix eol; use svn properties to enforce native eol

10 files changed, 377 insertions, 377 deletions

diff --git a/demos/blog-tutorial/samples/day3/blog/index.php b/demos/blog-tutorial/samples/day3/blog/index.php
index 7ccffe49..bffafde2 100644
--- a/demos/blog-tutorial/samples/day3/blog/index.php
+++ b/demos/blog-tutorial/samples/day3/blog/index.php
@@ -1,22 +1,22 @@
-<?php

-

-// The following directory checks may be removed if performance is required

-$basePath=dirname(__FILE__);

-$frameworkPath=$basePath.'/../../../../../framework/prado.php';

-$assetsPath=$basePath.'/assets';

-$runtimePath=$basePath.'/protected/runtime';

-

-if(!is_file($frameworkPath))

-	die("Unable to find prado framework path $frameworkPath.");

-if(!is_writable($assetsPath))

-	die("Please make sure that the directory $assetsPath is writable by Web server process.");

-if(!is_writable($runtimePath))

-	die("Please make sure that the directory $runtimePath is writable by Web server process.");

-

-

-require_once($frameworkPath);

-

-$application=new TApplication;

-$application->run();

-

+<?php
+
+// The following directory checks may be removed if performance is required
+$basePath=dirname(__FILE__);
+$frameworkPath=$basePath.'/../../../../../framework/prado.php';
+$assetsPath=$basePath.'/assets';
+$runtimePath=$basePath.'/protected/runtime';
+
+if(!is_file($frameworkPath))
+	die("Unable to find prado framework path $frameworkPath.");
+if(!is_writable($assetsPath))
+	die("Please make sure that the directory $assetsPath is writable by Web server process.");
+if(!is_writable($runtimePath))
+	die("Please make sure that the directory $runtimePath is writable by Web server process.");
+
+
+require_once($frameworkPath);
+
+$application=new TApplication;
+$application->run();
+
 ?>
\ No newline at end of file
diff --git a/demos/blog-tutorial/samples/day3/blog/protected/BlogUser.php b/demos/blog-tutorial/samples/day3/blog/protected/BlogUser.php
index 6b9e0a23..4f094a0c 100644
--- a/demos/blog-tutorial/samples/day3/blog/protected/BlogUser.php
+++ b/demos/blog-tutorial/samples/day3/blog/protected/BlogUser.php
@@ -1,59 +1,59 @@
-<?php

-

-// Include TDbUserManager.php file which defines TDbUser

-Prado::using('System.Security.TDbUserManager');

-

-/**

- * BlogUser Class.

- * BlogUser represents the user data that needs to be kept in session.

- * Default implementation keeps username and role information.

- */

-class BlogUser extends TDbUser

-{

-	/**

-	 * Creates a BlogUser object based on the specified username.

-	 * This method is required by TDbUser. It checks the database

-	 * to see if the specified username is there. If so, a BlogUser

-	 * object is created and initialized.

-	 * @param string the specified username

-	 * @return BlogUser the user object, null if username is invalid.

-	 */

-	public function createUser($username)

-	{

-		// use UserRecord Active Record to look for the specified username

-		$userRecord=UserRecord::finder()->findByPk($username);

-		if($userRecord instanceof UserRecord) // if found

-		{

-			$user=new BlogUser($this->Manager);

-			$user->Name=$username;  // set username

-			$user->Roles=($userRecord->role==1?'admin':'user'); // set role

-			$user->IsGuest=false;   // the user is not a guest

-			return $user;

-		}

-		else

-			return null;

-	}

-

-	/**

-	 * Checks if the specified (username, password) is valid.

-	 * This method is required by TDbUser.

-	 * @param string username

-	 * @param string password

-	 * @return boolean whether the username and password are valid.

-	 */

-	public function validateUser($username,$password)

-	{

-		// use UserRecord Active Record to look for the (username, password) pair.

-		return UserRecord::finder()->findBy_username_AND_password($username,$password)!==null;

-	}

-

-	/**

-	 * @return boolean whether this user is an administrator.

-	 */

-	public function getIsAdmin()

-	{

-		return $this->isInRole('admin');

-	}

-}

-

+<?php
+
+// Include TDbUserManager.php file which defines TDbUser
+Prado::using('System.Security.TDbUserManager');
+
+/**
+ * BlogUser Class.
+ * BlogUser represents the user data that needs to be kept in session.
+ * Default implementation keeps username and role information.
+ */
+class BlogUser extends TDbUser
+{
+	/**
+	 * Creates a BlogUser object based on the specified username.
+	 * This method is required by TDbUser. It checks the database
+	 * to see if the specified username is there. If so, a BlogUser
+	 * object is created and initialized.
+	 * @param string the specified username
+	 * @return BlogUser the user object, null if username is invalid.
+	 */
+	public function createUser($username)
+	{
+		// use UserRecord Active Record to look for the specified username
+		$userRecord=UserRecord::finder()->findByPk($username);
+		if($userRecord instanceof UserRecord) // if found
+		{
+			$user=new BlogUser($this->Manager);
+			$user->Name=$username;  // set username
+			$user->Roles=($userRecord->role==1?'admin':'user'); // set role
+			$user->IsGuest=false;   // the user is not a guest
+			return $user;
+		}
+		else
+			return null;
+	}
+
+	/**
+	 * Checks if the specified (username, password) is valid.
+	 * This method is required by TDbUser.
+	 * @param string username
+	 * @param string password
+	 * @return boolean whether the username and password are valid.
+	 */
+	public function validateUser($username,$password)
+	{
+		// use UserRecord Active Record to look for the (username, password) pair.
+		return UserRecord::finder()->findBy_username_AND_password($username,$password)!==null;
+	}
+
+	/**
+	 * @return boolean whether this user is an administrator.
+	 */
+	public function getIsAdmin()
+	{
+		return $this->isInRole('admin');
+	}
+}
+
 ?>
\ No newline at end of file
diff --git a/demos/blog-tutorial/samples/day3/blog/protected/database/PostRecord.php b/demos/blog-tutorial/samples/day3/blog/protected/database/PostRecord.php
index 25702727..3407c09b 100644
--- a/demos/blog-tutorial/samples/day3/blog/protected/database/PostRecord.php
+++ b/demos/blog-tutorial/samples/day3/blog/protected/database/PostRecord.php
@@ -1,28 +1,28 @@
-<?php

-/**

- * Auto generated by prado-cli.php on 2007-04-07 10:44:20.

- */

-class PostRecord extends TActiveRecord

-{

-	const TABLE='posts';

-

-	public $post_id;

-	public $author_id;

-	public $create_time;

-	public $title;

-	public $content;

-	public $status;

-

-	public $author;

-

-	public static $RELATIONS=array

-	(

-		'author' => array(self::BELONGS_TO, 'UserRecord'),

-	);

-

-	public static function finder($className=__CLASS__)

-	{

-		return parent::finder($className);

-	}

-}

+<?php
+/**
+ * Auto generated by prado-cli.php on 2007-04-07 10:44:20.
+ */
+class PostRecord extends TActiveRecord
+{
+	const TABLE='posts';
+
+	public $post_id;
+	public $author_id;
+	public $create_time;
+	public $title;
+	public $content;
+	public $status;
+
+	public $author;
+
+	public static $RELATIONS=array
+	(
+		'author' => array(self::BELONGS_TO, 'UserRecord'),
+	);
+
+	public static function finder($className=__CLASS__)
+	{
+		return parent::finder($className);
+	}
+}
 ?>
\ No newline at end of file
diff --git a/demos/blog-tutorial/samples/day3/blog/protected/database/UserRecord.php b/demos/blog-tutorial/samples/day3/blog/protected/database/UserRecord.php
index 2051e5de..021f8b09 100644
--- a/demos/blog-tutorial/samples/day3/blog/protected/database/UserRecord.php
+++ b/demos/blog-tutorial/samples/day3/blog/protected/database/UserRecord.php
@@ -1,28 +1,28 @@
-<?php

-/**

- * Auto generated by prado-cli.php on 2007-04-07 10:44:25.

- */

-class UserRecord extends TActiveRecord

-{

-	const TABLE='users';

-

-	public $username;

-	public $email;

-	public $password;

-	public $role;

-	public $first_name;

-	public $last_name;

-

-	public $posts=array();

-

-	public static $RELATIONS=array

-	(

-		'posts' => array(self::HAS_MANY, 'PostRecord'),

-	);

-

-	public static function finder($className=__CLASS__)

-	{

-		return parent::finder($className);

-	}

-}

+<?php
+/**
+ * Auto generated by prado-cli.php on 2007-04-07 10:44:25.
+ */
+class UserRecord extends TActiveRecord
+{
+	const TABLE='users';
+
+	public $username;
+	public $email;
+	public $password;
+	public $role;
+	public $first_name;
+	public $last_name;
+
+	public $posts=array();
+
+	public static $RELATIONS=array
+	(
+		'posts' => array(self::HAS_MANY, 'PostRecord'),
+	);
+
+	public static function finder($className=__CLASS__)
+	{
+		return parent::finder($className);
+	}
+}
 ?>
\ No newline at end of file
diff --git a/demos/blog-tutorial/samples/day3/blog/protected/layouts/MainLayout.php b/demos/blog-tutorial/samples/day3/blog/protected/layouts/MainLayout.php
index 46c1483d..f605f75c 100644
--- a/demos/blog-tutorial/samples/day3/blog/protected/layouts/MainLayout.php
+++ b/demos/blog-tutorial/samples/day3/blog/protected/layouts/MainLayout.php
@@ -1,19 +1,19 @@
-<?php

-

-class MainLayout extends TTemplateControl

-{

-	/**

-	 * Logs out a user.

-	 * This method responds to the "logout" button's OnClick event.

-	 * @param mixed event sender

-	 * @param mixed event parameter

-	 */

-	public function logoutButtonClicked($sender,$param)

-	{

-		$this->Application->getModule('auth')->logout();

-		$url=$this->Service->constructUrl($this->Service->DefaultPage);

-		$this->Response->redirect($url);

-	}

-}

-

+<?php
+
+class MainLayout extends TTemplateControl
+{
+	/**
+	 * Logs out a user.
+	 * This method responds to the "logout" button's OnClick event.
+	 * @param mixed event sender
+	 * @param mixed event parameter
+	 */
+	public function logoutButtonClicked($sender,$param)
+	{
+		$this->Application->getModule('auth')->logout();
+		$url=$this->Service->constructUrl($this->Service->DefaultPage);
+		$this->Response->redirect($url);
+	}
+}
+
 ?>
\ No newline at end of file
diff --git a/demos/blog-tutorial/samples/day3/blog/protected/pages/Contact.php b/demos/blog-tutorial/samples/day3/blog/protected/pages/Contact.php
index b6ce575e..77d7374a 100644
--- a/demos/blog-tutorial/samples/day3/blog/protected/pages/Contact.php
+++ b/demos/blog-tutorial/samples/day3/blog/protected/pages/Contact.php
@@ -1,30 +1,30 @@
-<?php

-

-class Contact extends TPage

-{

-	/**

-	 * Event handler for the OnClick event of the submit button.

-	 * @param TButton the button triggering the event

-	 * @param TEventParameter event parameter (null here)

-	 */

-	public function submitButtonClicked($sender, $param)

-	{

-		if ($this->IsValid)  // check if input validation is successful

-		{

-			// obtain the user name, email, feedback from the textboxes

-			$name = $this->Name->Text;

-			$email = $this->Email->Text;

-			$feedback = $this->Feedback->Text;

-

-			// send an email to administrator with the above information

-			$this->mailFeedback($name, $email, $feedback);

-		}

-	}

-

-	protected function mailFeedback($name, $email, $feedback)

-	{

-		// implementation of sending the feedback email

-	}

-}

-

+<?php
+
+class Contact extends TPage
+{
+	/**
+	 * Event handler for the OnClick event of the submit button.
+	 * @param TButton the button triggering the event
+	 * @param TEventParameter event parameter (null here)
+	 */
+	public function submitButtonClicked($sender, $param)
+	{
+		if ($this->IsValid)  // check if input validation is successful
+		{
+			// obtain the user name, email, feedback from the textboxes
+			$name = $this->Name->Text;
+			$email = $this->Email->Text;
+			$feedback = $this->Feedback->Text;
+
+			// send an email to administrator with the above information
+			$this->mailFeedback($name, $email, $feedback);
+		}
+	}
+
+	protected function mailFeedback($name, $email, $feedback)
+	{
+		// implementation of sending the feedback email
+	}
+}
+
 ?>
\ No newline at end of file
diff --git a/demos/blog-tutorial/samples/day3/blog/protected/pages/users/AdminUser.php b/demos/blog-tutorial/samples/day3/blog/protected/pages/users/AdminUser.php
index ad8f6e3d..ad668e1a 100644
--- a/demos/blog-tutorial/samples/day3/blog/protected/pages/users/AdminUser.php
+++ b/demos/blog-tutorial/samples/day3/blog/protected/pages/users/AdminUser.php
@@ -1,36 +1,36 @@
-<?php

-

-class AdminUser extends TPage

-{

-	/**

-	 * Populates the datagrid with user lists.

-	 * This method is invoked by the framework when initializing the page

-	 * @param mixed event parameter

-	 */

-	public function onInit($param)

-	{

-		parent::onInit($param);

-		// fetches all data account information

-		$this->UserGrid->DataSource=UserRecord::finder()->findAll();

-		// binds the data to interface components

-		$this->UserGrid->dataBind();

-	}

-

-	/**

-	 * Deletes a specified user record.

-	 * This method responds to the datagrid's OnDeleteCommand event.

-	 * @param TDataGrid the event sender

-	 * @param TDataGridCommandEventParameter the event parameter

-	 */

-	public function deleteButtonClicked($sender,$param)

-	{

-		// obtains the datagrid item that contains the clicked delete button

-		$item=$param->Item;

-		// obtains the primary key corresponding to the datagrid item

-		$username=$this->UserGrid->DataKeys[$item->ItemIndex];

-		// deletes the user record with the specified username primary key

-		UserRecord::finder()->deleteByPk($username);

-	}

-}

-

+<?php
+
+class AdminUser extends TPage
+{
+	/**
+	 * Populates the datagrid with user lists.
+	 * This method is invoked by the framework when initializing the page
+	 * @param mixed event parameter
+	 */
+	public function onInit($param)
+	{
+		parent::onInit($param);
+		// fetches all data account information
+		$this->UserGrid->DataSource=UserRecord::finder()->findAll();
+		// binds the data to interface components
+		$this->UserGrid->dataBind();
+	}
+
+	/**
+	 * Deletes a specified user record.
+	 * This method responds to the datagrid's OnDeleteCommand event.
+	 * @param TDataGrid the event sender
+	 * @param TDataGridCommandEventParameter the event parameter
+	 */
+	public function deleteButtonClicked($sender,$param)
+	{
+		// obtains the datagrid item that contains the clicked delete button
+		$item=$param->Item;
+		// obtains the primary key corresponding to the datagrid item
+		$username=$this->UserGrid->DataKeys[$item->ItemIndex];
+		// deletes the user record with the specified username primary key
+		UserRecord::finder()->deleteByPk($username);
+	}
+}
+
 ?>
\ No newline at end of file
diff --git a/demos/blog-tutorial/samples/day3/blog/protected/pages/users/EditUser.php b/demos/blog-tutorial/samples/day3/blog/protected/pages/users/EditUser.php
index 81538c33..f8c61463 100644
--- a/demos/blog-tutorial/samples/day3/blog/protected/pages/users/EditUser.php
+++ b/demos/blog-tutorial/samples/day3/blog/protected/pages/users/EditUser.php
@@ -1,83 +1,83 @@
-<?php

-

-class EditUser extends TPage

-{

-	/**

-	 * Initializes the inputs with existing user data.

-	 * This method is invoked by the framework when the page is being initialized.

-	 * @param mixed event parameter

-	 */

-	public function onInit($param)

-	{

-		parent::onInit($param);

-		if(!$this->IsPostBack)  // if the page is initially requested

-		{

-			// Retrieves the existing user data. This is equivalent to:

-			// $userRecord=$this->getUserRecord();

-			$userRecord=$this->UserRecord;

-

-			// Populates the input controls with the existing user data

-			$this->Username->Text=$userRecord->username;

-			$this->Email->Text=$userRecord->email;

-			$this->Role->SelectedValue=$userRecord->role;

-			$this->FirstName->Text=$userRecord->first_name;

-			$this->LastName->Text=$userRecord->last_name;

-		}

-	}

-

-	/**

-	 * Saves the user account if all inputs are valid.

-	 * This method responds to the OnClick event of the "save" button.

-	 * @param mixed event sender

-	 * @param mixed event parameter

-	 */

-	public function saveButtonClicked($sender,$param)

-	{

-		if($this->IsValid)  // when all validations succeed

-		{

-			// Retrieves the existing user data. This is equivalent to:

-			$userRecord=$this->UserRecord;

-

-			// Fetches the input data

-			$userRecord->username=$this->Username->Text;

-			// update password when the input is not empty

-			if(!empty($this->Password->Text))

-				$userRecord->password=$this->Password->Text;

-			$userRecord->email=$this->Email->Text;

-			// update the role if the current user is an administrator

-			if($this->User->IsAdmin)

-				$userRecord->role=(int)$this->Role->SelectedValue;

-			$userRecord->first_name=$this->FirstName->Text;

-			$userRecord->last_name=$this->LastName->Text;

-

-			// saves to the database via Active Record mechanism

-			$userRecord->save();

-

-			// redirects the browser to the homepage

-			$this->Response->redirect($this->Service->DefaultPageUrl);

-		}

-	}

-

-	/**

-	 * Returns the user data to be editted.

-	 * @return UserRecord the user data to be editted.

-	 * @throws THttpException if the user data is not found.

-	 */

-	protected function getUserRecord()

-	{

-		// the user to be editted is the currently logged-in user

-		$username=$this->User->Name;

-		// if the 'username' GET var is not empty and the current user

-		// is an administrator, we use the GET var value instead.

-		if($this->User->IsAdmin && $this->Request['username']!==null)

-			$username=$this->Request['username'];

-

-		// use Active Record to look for the specified username

-		$userRecord=UserRecord::finder()->findByPk($username);

-		if(!($userRecord instanceof UserRecord))

-			throw new THttpException(500,'Username is invalid.');

-		return $userRecord;

-	}

-}

-

+<?php
+
+class EditUser extends TPage
+{
+	/**
+	 * Initializes the inputs with existing user data.
+	 * This method is invoked by the framework when the page is being initialized.
+	 * @param mixed event parameter
+	 */
+	public function onInit($param)
+	{
+		parent::onInit($param);
+		if(!$this->IsPostBack)  // if the page is initially requested
+		{
+			// Retrieves the existing user data. This is equivalent to:
+			// $userRecord=$this->getUserRecord();
+			$userRecord=$this->UserRecord;
+
+			// Populates the input controls with the existing user data
+			$this->Username->Text=$userRecord->username;
+			$this->Email->Text=$userRecord->email;
+			$this->Role->SelectedValue=$userRecord->role;
+			$this->FirstName->Text=$userRecord->first_name;
+			$this->LastName->Text=$userRecord->last_name;
+		}
+	}
+
+	/**
+	 * Saves the user account if all inputs are valid.
+	 * This method responds to the OnClick event of the "save" button.
+	 * @param mixed event sender
+	 * @param mixed event parameter
+	 */
+	public function saveButtonClicked($sender,$param)
+	{
+		if($this->IsValid)  // when all validations succeed
+		{
+			// Retrieves the existing user data. This is equivalent to:
+			$userRecord=$this->UserRecord;
+
+			// Fetches the input data
+			$userRecord->username=$this->Username->Text;
+			// update password when the input is not empty
+			if(!empty($this->Password->Text))
+				$userRecord->password=$this->Password->Text;
+			$userRecord->email=$this->Email->Text;
+			// update the role if the current user is an administrator
+			if($this->User->IsAdmin)
+				$userRecord->role=(int)$this->Role->SelectedValue;
+			$userRecord->first_name=$this->FirstName->Text;
+			$userRecord->last_name=$this->LastName->Text;
+
+			// saves to the database via Active Record mechanism
+			$userRecord->save();
+
+			// redirects the browser to the homepage
+			$this->Response->redirect($this->Service->DefaultPageUrl);
+		}
+	}
+
+	/**
+	 * Returns the user data to be editted.
+	 * @return UserRecord the user data to be editted.
+	 * @throws THttpException if the user data is not found.
+	 */
+	protected function getUserRecord()
+	{
+		// the user to be editted is the currently logged-in user
+		$username=$this->User->Name;
+		// if the 'username' GET var is not empty and the current user
+		// is an administrator, we use the GET var value instead.
+		if($this->User->IsAdmin && $this->Request['username']!==null)
+			$username=$this->Request['username'];
+
+		// use Active Record to look for the specified username
+		$userRecord=UserRecord::finder()->findByPk($username);
+		if(!($userRecord instanceof UserRecord))
+			throw new THttpException(500,'Username is invalid.');
+		return $userRecord;
+	}
+}
+
 ?>
\ No newline at end of file
diff --git a/demos/blog-tutorial/samples/day3/blog/protected/pages/users/LoginUser.php b/demos/blog-tutorial/samples/day3/blog/protected/pages/users/LoginUser.php
index a0955490..407906ae 100644
--- a/demos/blog-tutorial/samples/day3/blog/protected/pages/users/LoginUser.php
+++ b/demos/blog-tutorial/samples/day3/blog/protected/pages/users/LoginUser.php
@@ -1,37 +1,37 @@
-<?php

-

-class LoginUser extends TPage

-{

-	/**

-	 * Validates whether the username and password are correct.

-	 * This method responds to the TCustomValidator's OnServerValidate event.

-	 * @param mixed event sender

-	 * @param mixed event parameter

-	 */

-	public function validateUser($sender,$param)

-	{

-		$authManager=$this->Application->getModule('auth');

-		if(!$authManager->login($this->Username->Text,$this->Password->Text))

-			$param->IsValid=false;  // tell the validator that validation fails

-	}

-

-	/**

-	 * Redirects the user's browser to appropriate URL if login succeeds.

-	 * This method responds to the login button's OnClick event.

-	 * @param mixed event sender

-	 * @param mixed event parameter

-	 */

-	public function loginButtonClicked($sender,$param)

-	{

-		if($this->Page->IsValid)  // all validations succeed

-		{

-			// obtain the URL of the privileged page that the user wanted to visit originally

-			$url=$this->Application->getModule('auth')->ReturnUrl;

-			if(empty($url))  // the user accesses the login page directly

-				$url=$this->Service->DefaultPageUrl;

-			$this->Response->redirect($url);

-		}

-	}

-}

-

+<?php
+
+class LoginUser extends TPage
+{
+	/**
+	 * Validates whether the username and password are correct.
+	 * This method responds to the TCustomValidator's OnServerValidate event.
+	 * @param mixed event sender
+	 * @param mixed event parameter
+	 */
+	public function validateUser($sender,$param)
+	{
+		$authManager=$this->Application->getModule('auth');
+		if(!$authManager->login($this->Username->Text,$this->Password->Text))
+			$param->IsValid=false;  // tell the validator that validation fails
+	}
+
+	/**
+	 * Redirects the user's browser to appropriate URL if login succeeds.
+	 * This method responds to the login button's OnClick event.
+	 * @param mixed event sender
+	 * @param mixed event parameter
+	 */
+	public function loginButtonClicked($sender,$param)
+	{
+		if($this->Page->IsValid)  // all validations succeed
+		{
+			// obtain the URL of the privileged page that the user wanted to visit originally
+			$url=$this->Application->getModule('auth')->ReturnUrl;
+			if(empty($url))  // the user accesses the login page directly
+				$url=$this->Service->DefaultPageUrl;
+			$this->Response->redirect($url);
+		}
+	}
+}
+
 ?>
\ No newline at end of file
diff --git a/demos/blog-tutorial/samples/day3/blog/protected/pages/users/NewUser.php b/demos/blog-tutorial/samples/day3/blog/protected/pages/users/NewUser.php
index 76e8cb88..3bf6768a 100644
--- a/demos/blog-tutorial/samples/day3/blog/protected/pages/users/NewUser.php
+++ b/demos/blog-tutorial/samples/day3/blog/protected/pages/users/NewUser.php
@@ -1,45 +1,45 @@
-<?php

-

-class NewUser extends TPage

-{

-	/**

-	 * Checks whether the username exists in the database.

-	 * This method responds to the OnServerValidate event of username's custom validator.

-	 * @param mixed event sender

-	 * @param mixed event parameter

-	 */

-	public function checkUsername($sender,$param)

-	{

-		// valid if the username is not found in the database

-		$param->IsValid=UserRecord::finder()->findByPk($this->Username->Text)===null;

-	}

-

-	/**

-	 * Creates a new user account if all inputs are valid.

-	 * This method responds to the OnClick event of the "create" button.

-	 * @param mixed event sender

-	 * @param mixed event parameter

-	 */

-	public function createButtonClicked($sender,$param)

-	{

-		if($this->IsValid)  // when all validations succeed

-		{

-			// populates a UserRecord object with user inputs

-			$userRecord=new UserRecord;

-			$userRecord->username=$this->Username->Text;

-			$userRecord->password=$this->Password->Text;

-			$userRecord->email=$this->Email->Text;

-			$userRecord->role=(int)$this->Role->SelectedValue;

-			$userRecord->first_name=$this->FirstName->Text;

-			$userRecord->last_name=$this->LastName->Text;

-

-			// saves to the database via Active Record mechanism

-			$userRecord->save();

-

-			// redirects the browser to the homepage

-			$this->Response->redirect($this->Service->DefaultPageUrl);

-		}

-	}

-}

-

+<?php
+
+class NewUser extends TPage
+{
+	/**
+	 * Checks whether the username exists in the database.
+	 * This method responds to the OnServerValidate event of username's custom validator.
+	 * @param mixed event sender
+	 * @param mixed event parameter
+	 */
+	public function checkUsername($sender,$param)
+	{
+		// valid if the username is not found in the database
+		$param->IsValid=UserRecord::finder()->findByPk($this->Username->Text)===null;
+	}
+
+	/**
+	 * Creates a new user account if all inputs are valid.
+	 * This method responds to the OnClick event of the "create" button.
+	 * @param mixed event sender
+	 * @param mixed event parameter
+	 */
+	public function createButtonClicked($sender,$param)
+	{
+		if($this->IsValid)  // when all validations succeed
+		{
+			// populates a UserRecord object with user inputs
+			$userRecord=new UserRecord;
+			$userRecord->username=$this->Username->Text;
+			$userRecord->password=$this->Password->Text;
+			$userRecord->email=$this->Email->Text;
+			$userRecord->role=(int)$this->Role->SelectedValue;
+			$userRecord->first_name=$this->FirstName->Text;
+			$userRecord->last_name=$this->LastName->Text;
+
+			// saves to the database via Active Record mechanism
+			$userRecord->save();
+
+			// redirects the browser to the homepage
+			$this->Response->redirect($this->Service->DefaultPageUrl);
+		}
+	}
+}
+
 ?>
\ No newline at end of file