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

@@ -1,68 +1,68 @@
-<?php
-
-/**
- * Serializes one or more {@link MultiFormStep}s into 
- * a database object.
- * 
- * MultiFormSession also stores the current step, so that
- * the {@link MultiForm} and {@link MultiFormStep} classes
- * know what the current step is.
- * 
- * @package multiform
- */
-class MultiFormSession extends DataObject {
-	
-	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(
-		'Submitter' => 'Member',
-		'CurrentStep' => 'MultiFormStep'
-	);
-
-	static $has_many = array(
-		'FormSteps' => 'MultiFormStep'
-	);
-	
-	/**
-	 * Mark this session as completed.
-	 * 
-	 * This sets the flag "IsComplete" to true,
-	 * and writes the session back.
-	 */
-	public function markCompleted() {
-		$this->IsComplete = 1;
-		$this->write();
-	}
-	
-	/**
-	 * These actions are performed when write() is called on this object.
-	 */
-	public function onBeforeWrite() {
-		// save submitter if a Member is logged in
-		$currentMember = Member::currentUser();
-		if(!$this->SubmitterID && $currentMember) $this->SubmitterID = $currentMember->ID;
-		
-		parent::onBeforeWrite();
-	}
-
-	/**
-	 * These actions are performed when delete() is called on this object.
-	 */
-	public function onBeforeDelete() {
-		// delete dependent form steps and relation
-		$steps = $this->FormSteps();
-		if($steps) foreach($steps as $step) {
-			if($step && $step->exists()) {
-				$steps->remove($step);
-				$step->delete();
-				$step->destroy();
-			}
-		}
-		
-		parent::onBeforeDelete();
-	}
-
-}
+<?php
+
+/**
+ * Serializes one or more {@link MultiFormStep}s into 
+ * a database object.
+ * 
+ * MultiFormSession also stores the current step, so that
+ * the {@link MultiForm} and {@link MultiFormStep} classes
+ * know what the current step is.
+ * 
+ * @package multiform
+ */
+class MultiFormSession extends DataObject {
+	
+	private static $db = array(
+		'Hash' => 'Varchar(40)', 	// cryptographic hash identification to this session
+		'IsComplete' => 'Boolean'	// flag to determine if this session is marked completed
+	);
+	
+	private static $has_one = array(
+		'Submitter' => 'Member',
+		'CurrentStep' => 'MultiFormStep'
+	);
+
+	private static $has_many = array(
+		'FormSteps' => 'MultiFormStep'
+	);
+	
+	/**
+	 * Mark this session as completed.
+	 * 
+	 * This sets the flag "IsComplete" to true,
+	 * and writes the session back.
+	 */
+	public function markCompleted() {
+		$this->IsComplete = 1;
+		$this->write();
+	}
+	
+	/**
+	 * These actions are performed when write() is called on this object.
+	 */
+	public function onBeforeWrite() {
+		// save submitter if a Member is logged in
+		$currentMember = Member::currentUser();
+		if(!$this->SubmitterID && $currentMember) $this->SubmitterID = $currentMember->ID;
+		
+		parent::onBeforeWrite();
+	}
+
+	/**
+	 * These actions are performed when delete() is called on this object.
+	 */
+	public function onBeforeDelete() {
+		// delete dependent form steps and relation
+		$steps = $this->FormSteps();
+		if($steps) foreach($steps as $step) {
+			if($step && $step->exists()) {
+				$steps->remove($step);
+				$step->delete();
+				$step->destroy();
+			}
+		}
+		
+		parent::onBeforeDelete();
+	}
+
+}

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;
 	}
 
 }