1 files changed, 10 insertions, 15 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/wizard/WizardPage.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/wizard/WizardPage.java
index 880e3eae..52b6f85b 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/wizard/WizardPage.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/wizard/WizardPage.java
@@ -14,7 +14,7 @@ public abstract class WizardPage extends JPanel {
 
 	private boolean isComplete = false;
 
-	private Wizard wizard = null;
+	private final Wizard wizard;
 
 	/**
 	 * Whether the user is allowed to go back to this page once they clicked
@@ -22,7 +22,10 @@ public abstract class WizardPage extends JPanel {
 	 */
 	protected boolean canComeBack = true;
 
-	public WizardPage(String title) {
+	public WizardPage(Wizard wizard, String title) {
+		if (wizard == null)
+			throw new NullPointerException("WizardPage needs a Wizard");
+		this.wizard = wizard;
 		this.title = title;
 	}
 
@@ -52,7 +55,8 @@ public abstract class WizardPage extends JPanel {
 	}
 
 	/**
-	 * Called when the page is being shown. This can be caused by three possible events:
+	 * Called when the page is being shown. This can be caused by three possible
+	 * events:
 	 * 1) The wizard opens and this is the fist page
 	 * 2) The user clicked "Previous" and this is the previous page
 	 * 3) The user clicked "Next" and this is the next page
@@ -61,14 +65,15 @@ public abstract class WizardPage extends JPanel {
 	}
 
 	/**
-	 * Called when the page is being hidden. This can be caused by three possible events:
+	 * Called when the page is being hidden. This can be caused by three
+	 * possible events:
 	 * 1) The user clicked finish and this is the page currently displayed
 	 * 2) The user clicked "Previous" and this is the current page
 	 * 3) The user clicked "Next" and this is the current page
 	 */
 	protected void onPageLeave() {
 	}
-	
+
 	/*
 	 * Setters from derived classes
 	 */
@@ -96,14 +101,4 @@ public abstract class WizardPage extends JPanel {
 		this.updateHeader();
 	}
 
-	/*
-	 * Setters from Wizard
-	 */
-
-	void setWizard(Wizard wizard) {
-		if (this.wizard != null)
-			throw new IllegalStateException("Parent Wizard already set");
-		this.wizard = wizard;
-	}
-
 }