traintastic/server/src/core/tablemodel.hpp
2021-06-29 22:10:45 +02:00

117 Zeilen
3.2 KiB
C++

/**
* server/src/core/tablemodel.hpp
*
* This file is part of the traintastic source code.
*
* Copyright (C) 2019-2021 Reinder Feenstra
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef TRAINTASTIC_SERVER_CORE_TABLEMODEL_HPP
#define TRAINTASTIC_SERVER_CORE_TABLEMODEL_HPP
#include "object.hpp"
//#include <vector>
#include <functional>
#include "tablemodelptr.hpp"
class TableModel : public Object
{
public:
struct Region
{
uint32_t columnMin;
uint32_t columnMax;
uint32_t rowMin;
uint32_t rowMax;
Region() :
columnMin{1},
columnMax{0},
rowMin{1},
rowMax{0}
{
}
Region(uint32_t _columnMin, uint32_t _columnMax, uint32_t _rowMin, uint32_t _rowMax) :
columnMin{_columnMin},
columnMax{_columnMax},
rowMin{_rowMin},
rowMax{_rowMax}
{
}
bool operator==(const Region& rhs) const
{
return
this->columnMin == rhs.columnMin &&
this->columnMax == rhs.columnMax &&
this->rowMin == rhs.rowMin &&
this->rowMax == rhs.rowMax;
}
bool operator!=(const Region& rhs) const
{
return !(*this == rhs);
}
bool operator<=(const Region& rhs) const
{
return
this->columnMin >= rhs.columnMin &&
this->columnMax <= rhs.columnMax &&
this->rowMin >= rhs.rowMin &&
this->rowMax <= rhs.rowMax;
}
bool isValid() const
{
return columnMax >= columnMin && rowMax >= rowMin;
}
};
private:
std::vector<std::string_view> m_columnHeaders;
uint32_t m_rowCount;
Region m_region;
protected:
void setColumnHeaders(std::initializer_list<std::string_view> values);
void setRowCount(uint32_t value);
void changed(uint32_t row, uint32_t column);
public:
std::function<void(const TableModelPtr&)> columnHeadersChanged;
std::function<void(const TableModelPtr&)> rowCountChanged;
std::function<void(const TableModelPtr&, const Region& region)> updateRegion;
TableModel();
std::string getObjectId() const final { assert(false); return {}; }
const std::vector<std::string_view>& columnHeaders() const { return m_columnHeaders; }
uint32_t columnCount() const { return static_cast<uint32_t>(m_columnHeaders.size()); }
uint32_t rowCount() const { return m_rowCount; }
virtual std::string getText(uint32_t column, uint32_t row) const = 0;
void setRegion(const Region& value);
};
#endif