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poco/WebWidgets/include/Poco/WebWidgets/SimpleTableModel.h
2008-10-06 10:44:48 +00:00

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3.7 KiB
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//
// SimpleTableModel.h
//
// $Id: //poco/Main/WebWidgets/include/Poco/WebWidgets/SimpleTableModel.h#2 $
//
// Library: WebWidgets
// Package: ChangeThis
// Module: SimpleTableModel
//
// Definition of the SimpleTableModel class.
//
// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef WebWidgets_SimpleTableModel_INCLUDED
#define WebWidgets_SimpleTableModel_INCLUDED
#include "Poco/WebWidgets/TableModel.h"
#include "Poco/Mutex.h"
#include <vector>
namespace Poco {
namespace WebWidgets {
class WebWidgets_API SimpleTableModel: public TableModel
/// A simple implementation of a tablemodel which reads/writes data to memory
/// Avoid deleting rows, expensive.
{
public:
typedef std::vector<Poco::Any> Row;
typedef std::vector<Row> TableData;
typedef Poco::AutoPtr<SimpleTableModel> Ptr;
SimpleTableModel(std::size_t colCnt);
/// Creates the SimpleTableModel.
const Poco::Any& getValue(std::size_t row, std::size_t col) const;
///Returns the value at pos(row, col) or an empty Any if no data is stored there
std::size_t getRowCount() const;
/// Returns the total number of rows
void setValue(const Poco::Any& val, std::size_t row, std::size_t col);
/// Sets the value at pos(row, col)
void deleteRow(std::size_t row);
/// Removes the row from the TableModel. NOT IMPLEMENTED!
void clear();
/// Deletes all rows from the TableModel
TableModel::Ptr clone() const;
/// Creates a deep-copy of the table
protected:
virtual ~SimpleTableModel();
/// Destroys the SimpleTableModel.
private:
TableData _data;
mutable Poco::FastMutex _mutex;
};
inline const Poco::Any& SimpleTableModel::getValue(std::size_t row, std::size_t col) const
{
return _data[row][col];
}
inline std::size_t SimpleTableModel::getRowCount() const
{
return _data.size();
}
inline void SimpleTableModel::setValue(const Poco::Any& val, std::size_t row, std::size_t col)
{
Poco::FastMutex::ScopedLock lock(_mutex);
if (_data.size() < row+1)
_data.resize(row+1, Row(getColumnCount()));
_data[row][col] = val;
}
inline void SimpleTableModel::deleteRow(std::size_t row)
{
throw Poco::NotImplementedException("");
}
inline void SimpleTableModel::clear()
{
_data.clear();
}
} } // namespace Poco::WebWidgets
#endif // WebWidgets_SimpleTableModel_INCLUDED