91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/* === This file is part of Calamares - <http://github.com/calamares> ===
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*
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* Copyright 2014, Aurélien Gâteau <agateau@kde.org>
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*
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* Calamares is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Calamares is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Calamares. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PARTITIONMODEL_H
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#define PARTITIONMODEL_H
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// Qt
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#include <QAbstractItemModel>
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class Device;
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class Partition;
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class PartitionNode;
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class PartitionModel : public QAbstractItemModel
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{
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public:
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/**
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* This helper class must be instantiated on the stack *before* making
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* changes to the device represented by this model. It will cause the model
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* to emit modelAboutToBeReset() when instantiated and modelReset() when
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* destructed.
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*/
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class ResetHelper
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{
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public:
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ResetHelper( PartitionModel* model );
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~ResetHelper();
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ResetHelper( const ResetHelper& ) = delete;
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ResetHelper& operator=( const ResetHelper& ) = delete;
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private:
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PartitionModel* m_model;
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};
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enum
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{
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// The raw size, as a qlonglong. This is different from the DisplayRole of
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// SizeColumn, which is a human-readable string.
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SizeRole = Qt::UserRole + 1,
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IsFreeSpaceRole
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};
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enum Column
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{
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NameColumn,
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FileSystemColumn,
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MountPointColumn,
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SizeColumn,
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ColumnCount = SizeColumn + 1
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};
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PartitionModel( QObject* parent = 0 );
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/**
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* device must remain alive for the life of PartitionModel
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*/
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void init( Device* device );
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QModelIndex index( int row, int column, const QModelIndex& parent = QModelIndex() ) const override;
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QModelIndex parent( const QModelIndex& child ) const override;
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int columnCount( const QModelIndex& parent = QModelIndex() ) const override;
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int rowCount( const QModelIndex& parent = QModelIndex() ) const override;
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QVariant data( const QModelIndex& index, int role = Qt::DisplayRole ) const override;
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QVariant headerData( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const override;
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Partition* partitionForIndex( const QModelIndex& index ) const;
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Device* device() const
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{
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return m_device;
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}
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private:
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Device* m_device;
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};
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#endif /* PARTITIONMODEL_H */
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