Login example php files

git-svn-id: http://svn.php.net/repository/pear/packages/HTML_AJAX/trunk@221693 c90b9560-bf6c-de11-be94-00142212c4b1
pear · Oct 13, 2006 · 483f26b · 483f26b
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diff --git a/examples/login/php/auto_server.php b/examples/login/php/auto_server.php
@@ -0,0 +1,34 @@
+<?php
+	/**
+	 * Very simple form script with error handling.
+	 *
+	 * @category   HTML
+	 * @package    AJAX
+	 * @author     Gilles van den Hoven <gilles@webunity.nl>
+	 * @copyright  2005 Gilles van den Hoven
+	 * @license    http://www.opensource.org/licenses/lgpl-license.php  LGPL
+	 * @version    Release: @package_version@
+	 * @link       http://pear.php.net/package/HTML_AJAX
+	 */
+
+	 // include the server class
+	include 'HTML/AJAX/Server.php';
+
+	// extend HTML_AJAX_Server creating our own custom one with init{ClassName} methods for each class it supports calls on
+	class LoginServer extends HTML_AJAX_Server {
+		// this flag must be set to on init methods
+		var $initMethods = true;
+
+		// init method for the test class, includes needed files an registers it for ajax
+		function initLogin() {
+			include 'class.login.php';
+			$this->registerClass(new login(), 'login', array('validate'));
+		}
+	}
+
+	// create an instance of our test server
+	$server = new LoginServer();
+
+	// handle requests as needed
+	$server->handleRequest();
+?>
diff --git a/examples/login/php/class.login.php b/examples/login/php/class.login.php
@@ -0,0 +1,128 @@
+<?php
+	// Includes
+	require_once 'HTML/AJAX/Action.php';
+
+	// Error messages
+	define('ERR_USERNAME_EMPTY', 'You forgot to enter a username, please try again');
+	define('ERR_USERNAME_INVALID', 'The username you entered is invalid. Please try "peter" (without quotes)');
+	define('ERR_PASSWORD_EMPTY', 'You forgot to enter a password, please try again');
+	define('ERR_PASSWORD_INVALID', 'The password you entered is invalid. Please try "gabriel" (without quotes)');
+	define('ERR_EMAIL_EMPTY', 'You forgot to enter an e-mail address');
+	define('ERR_EMAIL_INVALID', 'The e-mail address you entered is invalid. Please enter a valid e-mail address.');
+
+	/**
+	 * Login class used in the "login form" example
+	 * Please note: Constructors and private methods marked with _ are never exported in proxies to JavaScript
+	 *
+	 * @category   HTML
+	 * @package    AJAX
+	 * @author     Gilles van den Hoven <gilles@webunity.nl>
+	 * @copyright  2005 Gilles van den Hoven
+	 * @license    http://www.opensource.org/licenses/lgpl-license.php  LGPL
+	 * @version    Release: @package_version@
+	 * @link       http://pear.php.net/package/HTML_AJAX
+	 */
+	class login {
+		/**
+		 * PHP5 requires a constructor
+		 */
+		function login() {
+		}
+
+		/**
+		* Checks the proper syntax
+		*/	
+		function _checkEmail($strEmail) {
+			return (preg_match( '/^[A-Z0-9._-]+@[A-Z0-9][A-Z0-9.-]{0,61}[A-Z0-9]\.[A-Z.]{2,6}$/i' , $strEmail));
+		}
+
+		/**
+		 * Checks if the passed values are correct.
+		 *
+		 * @param array the form object
+		 */
+		function validate($arrayForm) {
+			//--------------------------------------------------
+			// Initialize function
+			//--------------------------------------------------
+			// Array to hold the messages
+			$arrMessages = array();
+
+			// Set all form values that they validated. Could be improved by analyzing
+			// the values passed in $objForm and setting values accordingly.
+			$arrValidated = array();
+			$arrValidated['username'] = true;
+			$arrValidated['password'] = true;
+			$arrValidated['email'] = true;
+
+			// Never trust the values passed by users :)
+			$objForm = new stdClass();
+			$objForm->username = trim($arrayForm['username']);
+			$objForm->password = trim($arrayForm['password']);
+			$objForm->email = trim($arrayForm['email']);
+
+			//--------------------------------------------------
+			// Check values
+			//--------------------------------------------------
+			// Check username
+			if ($objForm->username == '') {
+				$arrMessages[] = ERR_USERNAME_EMPTY;
+				$arrValidated['username'] = false;
+			} else if ($objForm->username != 'peter') {
+				$arrMessages[] = ERR_USERNAME_INVALID;
+				$arrValidated['username'] = false;
+			}
+
+			// Check password
+			if ($objForm->password == '') {
+				$arrMessages[] = ERR_PASSWORD_EMPTY;
+				$arrValidated['password'] = false;
+			} else if ($objForm->password != 'gabriel') {
+				$arrMessages[] = ERR_PASSWORD_INVALID;
+				$arrValidated['password'] = false;
+			}
+
+			// Check email
+			if ($objForm->email == '') {
+				$arrMessages[] = ERR_EMAIL_EMPTY;
+				$arrValidated['email'] = false;
+			} else if ($this->_checkEmail($objForm->email) == false) {
+				$arrMessages[] = ERR_EMAIL_INVALID;
+				$arrValidated['email'] = false;
+			}
+
+			//--------------------------------------------------
+			// Finalize function
+			//--------------------------------------------------
+			// Create the message list
+			$strMessages = '';
+			if (count($arrMessages) > 0) {
+				$strMessages = '<ul>';
+				foreach ($arrMessages as $strTemp) {
+					$strMessages.= '<li>'.$strTemp.'</li>';
+				}
+				$strMessages.= '</ul>';
+			}
+
+			// Create a response object
+			$objResponse = new HTML_AJAX_Action();
+
+			// Assign the messages
+			$objResponse->assignAttr('messages', 'innerHTML', $strMessages);
+			$objResponse->insertScript("toggleElement('messages', ".(($strMessages != '') ? 1 : 0).");");
+
+			// Generate the scripts to update the form elements' label and input element
+			foreach ($arrValidated as $strKey => $blnValue) {
+				$objResponse->insertScript("setElement('".$strKey."', ".(($blnValue) ? '1' : '0').");");
+			}
+
+			// Test for no messages
+			if ($strMessages == "") {
+				$objResponse->insertAlert("Well done chap!");
+			}
+
+			// And ready! :)
+			return $objResponse;
+		}
+	}
+?>