FIX: Update class properties to use late static binding

.gitignore

@@ -0,0 +1 @@
+.DS_Store

code/model/MultiForm.php

@@ -7,8 +7,9 @@
  * 
  * CAUTION: If you're using controller permission control,
  * you have to allow the following methods:
+ *
  * <code>
- * static $allowed_actions = array('next','prev');
+ * private static $allowed_actions = array('next','prev');
  * </code> 
  * 
  * @package multiform
@@ -120,13 +121,7 @@ abstract class MultiForm extends Form {
 		$validator = null;
 		$applyValidation = true;
 
-		// Check if the $_REQUEST action that user clicked is an exempt one
-		// if the Config class is available, use that instead of get_static() which is deprecated in SS 3.x
-		if(class_exists('Config')) {
-			$actionNames = Config::inst()->get(get_class($this), 'actions_exempt_from_validation', Config::FIRST_SET);
-		} else {
-			$actionNames = Object::get_static(get_class($this),'actions_exempt_from_validation');
-		}
+		$actionNames = static::$actions_exempt_from_validation;
 
 		if( $actionNames ) {
 			foreach( $actionNames as $exemptAction) {
@@ -180,7 +175,7 @@ abstract class MultiForm extends Form {
 	 * @return MultiFormStep subclass
 	 */
 	public function getCurrentStep() {
-		$startStepClass = $this->stat('start_step');
+		$startStepClass = static::$start_step;
 		
 		// Check if there was a start step defined on the subclass of MultiForm
 		if(!isset($startStepClass)) user_error('MultiForm::init(): Please define a $startStep on ' . $this->class, E_USER_ERROR);
@@ -498,7 +493,7 @@ abstract class MultiForm extends Form {
 		$currentStep = $this->getCurrentStep();
 		if(is_array($data)) {
 			foreach($data as $field => $value) {
-				if(in_array($field, $this->stat('ignored_fields'))) {
+				if(in_array($field, static::$ignored_fields)) {
 					unset($data[$field]);
 				}
 			}
@@ -557,7 +552,7 @@ abstract class MultiForm extends Form {
 	public function getAllStepsLinear() {
 		$stepsFound = (class_exists('ArrayList')) ? new ArrayList() : new DataObjectSet();
 		
-		$firstStep = DataObject::get_one($this->stat('start_step'), "\"SessionID\" = {$this->session->ID}");
+		$firstStep = DataObject::get_one(static::$start_step, "\"SessionID\" = {$this->session->ID}");
 		$firstStep->LinkingMode = ($firstStep->ID == $this->getCurrentStep()->ID) ? 'current' : 'link';
 		$firstStep->setForm($this);
 		$stepsFound->push($firstStep);

code/model/MultiFormSession.php

@@ -12,17 +12,17 @@
  */
 class MultiFormSession extends DataObject {
 	
-	static $db = array(
+	private static $db = array(
 		'Hash' => 'Varchar(40)', 	// cryptographic hash identification to this session
 		'IsComplete' => 'Boolean'	// flag to determine if this session is marked completed
 	);
 	
-	static $has_one = array(
+	private static $has_one = array(
 		'Submitter' => 'Member',
 		'CurrentStep' => 'MultiFormStep'
 	);
 
-	static $has_many = array(
+	private static $has_many = array(
 		'FormSteps' => 'MultiFormStep'
 	);
 	

code/model/MultiFormStep.php

@@ -11,11 +11,11 @@
  */
 class MultiFormStep extends DataObject {
 
-	static $db = array(
+	private static $db = array(
 		'Data' => 'Text' // stores serialized maps with all session information
 	);
 	
-	static $has_one = array(
+	private static $has_one = array(
 		'Session' => 'MultiFormSession'
 	);
 	
@@ -204,7 +204,7 @@ class MultiFormStep extends DataObject {
 	 * @return String Classname of a {@link MultiFormStep} subclass
 	 */
 	public function getNextStep() {
-		$nextSteps = $this->stat('next_steps');
+		$nextSteps = static::$next_steps;
 
 		// Check if next_steps have been implemented properly if not the final step
 		if(!$this->isFinalStep()) {
@@ -231,7 +231,8 @@ class MultiFormStep extends DataObject {
 	 */
 	public function getNextStepFromDatabase() {
 		if($this->SessionID && is_numeric($this->SessionID)) {
-			$nextSteps = $this->stat('next_steps');
+			$nextSteps = static::$next_steps;
+
 			if(is_string($nextSteps)) {
 				return DataObject::get_one($nextSteps, "\"SessionID\" = {$this->SessionID}");
 			} elseif(is_array($nextSteps)) {
@@ -248,7 +249,7 @@ class MultiFormStep extends DataObject {
 	 * @return string|array
 	 */
 	public function getNextSteps() {
-		return $this->stat('next_steps');
+		return static::$next_steps;
 	}
 	
 	/**
@@ -336,7 +337,7 @@ class MultiFormStep extends DataObject {
 	 * @return boolean
 	 */
 	public function canGoBack() {
-		return $this->stat('can_go_back');
+		return static::$can_go_back;
 	}
 	
 	/**
@@ -346,7 +347,7 @@ class MultiFormStep extends DataObject {
 	 * @return boolean
 	 */
 	public function isFinalStep() {
-		return $this->stat('is_final_step');
+		return static::$is_final_step;
 	}
 	
 	/**

tests/MultiFormTest.php

@@ -99,7 +99,7 @@ class MultiFormTest_Form extends MultiForm implements TestOnly {
 	public static $start_step = 'MultiFormTest_StepOne';
 	
 	function getStartStep() {
-		return $this->stat('start_step');
+		return self::$start_step;
 	}
 
 }