kpmcore/src/ops/createpartitiontableoperati...

106 lines
3.4 KiB
C++

/*
SPDX-FileCopyrightText: 2008-2010 Volker Lanz <vl@fidra.de>
SPDX-FileCopyrightText: 2014-2018 Andrius Štikonas <andrius@stikonas.eu>
SPDX-FileCopyrightText: 2016 Chantara Tith <tith.chantara@gmail.com>
SPDX-FileCopyrightText: 2018 Caio Jordão Carvalho <caiojcarvalho@gmail.com>
SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "ops/createpartitiontableoperation.h"
#include "core/device.h"
#include "core/partitiontable.h"
#include "core/partition.h"
#include "core/raid/softwareraid.h"
#include "jobs/createpartitiontablejob.h"
#include <QString>
#include <KLocalizedString>
/** Creates a new CreatePartitionTableOperation.
@param d the Device to create the new PartitionTable on
@param t the type for the new PartitionTable
*/
CreatePartitionTableOperation::CreatePartitionTableOperation(Device& d, PartitionTable::TableType t) :
Operation(),
m_TargetDevice(d),
m_OldPartitionTable(targetDevice().partitionTable()),
m_PartitionTable(new PartitionTable(t, PartitionTable::defaultFirstUsable(d, t), PartitionTable::defaultLastUsable(d, t))),
m_CreatePartitionTableJob(new CreatePartitionTableJob(targetDevice()))
{
addJob(createPartitionTableJob());
}
/** Creates a new CreatePartitionTableOperation.
@param d the Device to create the new PartitionTable on
@param ptable pointer to the new partition table object. the operation takes ownership.
*/
CreatePartitionTableOperation::CreatePartitionTableOperation(Device& d, PartitionTable* ptable) :
Operation(),
m_TargetDevice(d),
m_OldPartitionTable(targetDevice().partitionTable()),
m_PartitionTable(ptable),
m_CreatePartitionTableJob(new CreatePartitionTableJob(targetDevice()))
{
addJob(createPartitionTableJob());
}
CreatePartitionTableOperation::~CreatePartitionTableOperation()
{
if (status() == StatusPending)
delete m_PartitionTable;
}
bool CreatePartitionTableOperation::targets(const Device& d) const
{
return d == targetDevice();
}
void CreatePartitionTableOperation::preview()
{
targetDevice().setPartitionTable(partitionTable());
targetDevice().partitionTable()->updateUnallocated(targetDevice());
}
void CreatePartitionTableOperation::undo()
{
targetDevice().setPartitionTable(oldPartitionTable());
if (targetDevice().partitionTable())
targetDevice().partitionTable()->updateUnallocated(targetDevice());
}
bool CreatePartitionTableOperation::execute(Report& parent)
{
targetDevice().setPartitionTable(partitionTable());
return Operation::execute(parent);
}
/** Can a new partition table be created on a device?
@param device pointer to the device, can be nullptr
@return true if a new partition table can be created on @p device
*/
bool CreatePartitionTableOperation::canCreate(const Device* device)
{
if (device == nullptr)
return false;
if (device->type() == Device::Type::SoftwareRAID_Device) {
const SoftwareRAID* raid = static_cast<const SoftwareRAID *>(device);
if (raid->status() == SoftwareRAID::Status::Inactive)
return false;
}
return (device->partitionTable() == nullptr || !device->partitionTable()->isChildMounted())
&& (device->type() != Device::Type::LVM_Device);
}
QString CreatePartitionTableOperation::description() const
{
return xi18nc("@info:status", "Create a new partition table (type: %1) on <filename>%2</filename>", partitionTable()->typeName(), targetDevice().deviceNode());
}