Add isBackEnabled checks to all ViewSteps.

src/libcalamaresui/InstallationViewStep.cpp

@@ -1,7 +1,7 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
  *   Copyright 2014, Aurélien Gâteau <agateau@kde.org>
- *   Copyright 2015, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -98,16 +98,24 @@ InstallationViewStep::isNextEnabled() const
     return false;
 }
 
+
+bool
+InstallationViewStep::isBackEnabled() const
+{
+    return false;
+}
+
+
 bool
 InstallationViewStep::isAtBeginning() const
 {
-    return false;
+    return true;
 }
 
 bool
 InstallationViewStep::isAtEnd() const
 {
-    return false;
+    return true;
 }
 
 QList< Calamares::job_ptr >

src/libcalamaresui/InstallationViewStep.h

@@ -1,7 +1,7 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
  *   Copyright 2014, Aurélien Gâteau <agateau@kde.org>
- *   Copyright 2015, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -43,6 +43,7 @@ public:
     void back() override;
 
     bool isNextEnabled() const override;
+    bool isBackEnabled() const override;
 
     bool isAtBeginning() const override;
     bool isAtEnd() const override;

src/libcalamaresui/viewpages/ViewStep.h

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -50,6 +50,7 @@ public:
     virtual void back() = 0;
 
     virtual bool isNextEnabled() const = 0;
+    virtual bool isBackEnabled() const = 0;
 
     virtual bool isAtBeginning() const = 0;
     virtual bool isAtEnd() const = 0;

src/modules/greeting/GreetingViewStep.cpp

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -68,6 +68,13 @@ GreetingViewStep::isNextEnabled() const
 }
 
 
+bool
+GreetingViewStep::isBackEnabled() const
+{
+    return false;
+}
+
+
 bool
 GreetingViewStep::isAtBeginning() const
 {

src/modules/greeting/GreetingViewStep.h

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -45,6 +45,7 @@ public:
     void back() override;
 
     bool isNextEnabled() const override;
+    bool isBackEnabled() const override;
 
     bool isAtBeginning() const override;
     bool isAtEnd() const override;

src/modules/keyboard/KeyboardViewStep.cpp

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -83,6 +83,13 @@ KeyboardViewStep::isNextEnabled() const
 }
 
 
+bool
+KeyboardViewStep::isBackEnabled() const
+{
+    return true;
+}
+
+
 bool
 KeyboardViewStep::isAtBeginning() const
 {

src/modules/keyboard/KeyboardViewStep.h

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -46,6 +46,7 @@ public:
     void back() override;
 
     bool isNextEnabled() const override;
+    bool isBackEnabled() const override;
 
     bool isAtBeginning() const override;
     bool isAtEnd() const override;

src/modules/locale/LocaleViewStep.cpp

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -113,6 +113,13 @@ LocaleViewStep::isNextEnabled() const
 }
 
 
+bool
+LocaleViewStep::isBackEnabled() const
+{
+    return true;
+}
+
+
 bool
 LocaleViewStep::isAtBeginning() const
 {

src/modules/locale/LocaleViewStep.h

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -48,6 +48,7 @@ public:
     void back() override;
 
     bool isNextEnabled() const override;
+    bool isBackEnabled() const override;
 
     bool isAtBeginning() const override;
     bool isAtEnd() const override;

src/modules/partition/gui/PartitionViewStep.cpp

@@ -1,7 +1,7 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
  *   Copyright 2014, Aurélien Gâteau <agateau@kde.org>
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -258,6 +258,13 @@ PartitionViewStep::isNextEnabled() const
 }
 
 
+bool
+PartitionViewStep::isBackEnabled() const
+{
+    return true;
+}
+
+
 bool
 PartitionViewStep::isAtBeginning() const
 {

src/modules/partition/gui/PartitionViewStep.h

@@ -1,7 +1,7 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
  *   Copyright 2014, Aurélien Gâteau <agateau@kde.org>
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -56,6 +56,7 @@ public:
     void back() override;
 
     bool isNextEnabled() const override;
+    bool isBackEnabled() const override;
 
     bool isAtBeginning() const override;
     bool isAtEnd() const override;

src/modules/prepare/PrepareViewStep.cpp

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -185,6 +185,13 @@ PrepareViewStep::isNextEnabled() const
 }
 
 
+bool
+PrepareViewStep::isBackEnabled() const
+{
+    return true;
+}
+
+
 bool
 PrepareViewStep::isAtBeginning() const
 {

src/modules/prepare/PrepareViewStep.h

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -56,6 +56,7 @@ public:
     void back() override;
 
     bool isNextEnabled() const override;
+    bool isBackEnabled() const override;
 
     bool isAtBeginning() const override;
     bool isAtEnd() const override;

src/modules/summary/SummaryViewStep.cpp

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -68,6 +68,13 @@ SummaryViewStep::isNextEnabled() const
 }
 
 
+bool
+SummaryViewStep::isBackEnabled() const
+{
+    return true;
+}
+
+
 bool
 SummaryViewStep::isAtBeginning() const
 {

src/modules/summary/SummaryViewStep.h

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -45,6 +45,7 @@ public:
     void back() override;
 
     bool isNextEnabled() const override;
+    bool isBackEnabled() const override;
 
     bool isAtBeginning() const override;
     bool isAtEnd() const override;

src/modules/users/UsersViewStep.cpp

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -73,6 +73,13 @@ UsersViewStep::isNextEnabled() const
 }
 
 
+bool
+UsersViewStep::isBackEnabled() const
+{
+    return true;
+}
+
+
 bool
 UsersViewStep::isAtBeginning() const
 {

src/modules/users/UsersViewStep.h

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -47,6 +47,7 @@ public:
     void back() override;
 
     bool isNextEnabled() const override;
+    bool isBackEnabled() const override;
 
     bool isAtBeginning() const override;
     bool isAtEnd() const override;