[calamares] Clean up progress tree model

- It's still not a real tree
- Remove unused classes / files
- Apply coding style

src/calamares/CMakeLists.txt

@@ -7,7 +7,6 @@ set( calamaresSources
     VariantModel.cpp
 
     progresstree/ProgressTreeDelegate.cpp
-    progresstree/ProgressTreeItem.cpp
     progresstree/ProgressTreeModel.cpp
     progresstree/ProgressTreeView.cpp
 )

src/calamares/progresstree/ProgressTreeItem.cpp

@@ -1,92 +0,0 @@
-/* === This file is part of Calamares - <https://github.com/calamares> ===
- *
- *   Copyright 2014, 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
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   Calamares is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "ProgressTreeItem.h"
-
-#include "ProgressTreeModel.h"
-
-
-ProgressTreeItem::ProgressTreeItem( ProgressTreeItem* parent )
-{
-    m_parentItem = parent;
-}
-
-
-ProgressTreeItem::~ProgressTreeItem()
-{
-    qDeleteAll( m_childItems );
-}
-
-
-void
-ProgressTreeItem::appendChild( ProgressTreeItem* item )
-{
-    m_childItems.append( item );
-}
-
-
-ProgressTreeItem*
-ProgressTreeItem::child( int row )
-{
-    return m_childItems.value( row );
-}
-
-
-int
-ProgressTreeItem::childCount() const
-{
-    return m_childItems.count();
-}
-
-
-int
-ProgressTreeItem::columnCount() const
-{
-    return 1;
-}
-
-
-int
-ProgressTreeItem::row() const
-{
-    if ( m_parentItem )
-    {
-        return m_parentItem->m_childItems.indexOf( const_cast< ProgressTreeItem* >( this ) );
-    }
-    return 0;
-}
-
-
-ProgressTreeItem*
-ProgressTreeItem::parent()
-{
-    return m_parentItem;
-}
-
-
-ProgressTreeRoot::ProgressTreeRoot()
-    : ProgressTreeItem()
-{
-}
-
-
-QVariant
-ProgressTreeRoot::data( int ) const
-{
-    return QVariant();
-}

src/calamares/progresstree/ProgressTreeItem.h

@@ -1,60 +0,0 @@
-/* === This file is part of Calamares - <https://github.com/calamares> ===
- *
- *   Copyright 2014, 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
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   Calamares is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef PROGRESSTREEITEM_H
-#define PROGRESSTREEITEM_H
-
-#include <QList>
-#include <QVariant>
-
-
-/**
- * @brief The ProgressTreeItem class represents an item in the
- * ProgressTreeModel/ProgressTreeView.
- * Each item generally represents a ViewStep.
- */
-class ProgressTreeItem
-{
-public:
-    explicit ProgressTreeItem( ProgressTreeItem* parent = nullptr );
-
-    virtual ~ProgressTreeItem();
-
-    virtual void appendChild( ProgressTreeItem* item );
-
-    virtual ProgressTreeItem* child( int row );
-    virtual int childCount() const;
-    virtual int columnCount() const;
-    virtual QVariant data( int role ) const = 0;
-    virtual int row() const;
-    virtual ProgressTreeItem* parent();
-
-private:
-    QList< ProgressTreeItem* > m_childItems;
-    ProgressTreeItem* m_parentItem;
-};
-
-class ProgressTreeRoot : public ProgressTreeItem
-{
-public:
-    explicit ProgressTreeRoot();
-
-    virtual QVariant data( int role ) const;
-};
-
-#endif  // PROGRESSTREEITEM_H

src/calamares/progresstree/ProgressTreeModel.cpp

@@ -27,11 +27,7 @@ ProgressTreeModel::ProgressTreeModel( QObject* parent )
 {
 }
 
-
-ProgressTreeModel::~ProgressTreeModel()
-{
-}
-
+ProgressTreeModel::~ProgressTreeModel() {}
 
 QVariant
 ProgressTreeModel::data( const QModelIndex& index, int role ) const
@@ -43,11 +39,15 @@ ProgressTreeModel::data( const QModelIndex& index, int role ) const
 
     const Calamares::ViewManager* vm = Calamares::ViewManager::instance();
     if ( !vm )
+    {
         return QVariant();
+    }
 
     const auto steps = vm->viewSteps();
     if ( ( index.row() < 0 ) || ( index.row() >= steps.length() ) )
+    {
         return QVariant();
+    }
 
     const auto* step = steps.at( index.row() );
 
@@ -81,7 +81,6 @@ ProgressTreeModel::data( const QModelIndex& index, int role ) const
 }
 
 
-
 int
 ProgressTreeModel::rowCount( const QModelIndex& parent ) const
 {

src/calamares/progresstree/ProgressTreeModel.h

@@ -22,10 +22,6 @@
 
 #include <QAbstractListModel>
 
-class ProgressTreeRoot;
-class ProgressTreeItem;
-
-
 /**
  * @brief The ProgressTreeModel class implements a model for the ProgressTreeView.
  */