tablemodel.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2008-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * 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
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#include "gui/models/tablemodel.h"
 
#include "utils/dtor.h"
 
#include "gui/widgets/widget.h"
 
#include "listeners/tablemodellistener.h"
 
#include "debug.h"
 
void TableModel::installListener(TableModelListener *const listener)
{
 if (listener != nullptr)
 listeners.insert(listener);
}
 
void TableModel::removeListener(TableModelListener *const listener)
{
 if (listener != nullptr)
 listeners.erase(listener);
}
 
void TableModel::signalBeforeUpdate()
{
 for (std::set<TableModelListener *>::const_iterator it = listeners.begin();
 it != listeners.end(); ++it)
 {
 (*it)->modelUpdated(false);
 }
}
 
void TableModel::signalAfterUpdate()
{
 for (std::set<TableModelListener *>::const_iterator it = listeners.begin();
 it != listeners.end(); ++it)
 {
 if (*it != nullptr)
 (*it)->modelUpdated(true);
 }
}
 
 
#define WIDGET_AT(row, column) (((row) * mColumns) + (column))
#define DYN_SIZE(h) ((h) >= 0)
 
StaticTableModel::StaticTableModel(const int row, const int column) :
 TableModel(),
 mRows(row),
 mColumns(column),
 mHeight(1),
 mTableModel(),
 mWidths()
{
 mTableModel.resize(row * column, nullptr);
 mWidths.resize(column, 1);
}
 
StaticTableModel::~StaticTableModel()
{
 delete_all(mTableModel);
 mTableModel.clear();
}
 
void StaticTableModel::resize()
{
 mRows = getRows();
 mColumns = getColumns();
 mTableModel.resize(mRows * mColumns, nullptr);
}
 
void StaticTableModel::set(const int row, const int column,
 Widget *const widget)
{
 if ((widget == nullptr) || row >= mRows || row < 0
 || column >= mColumns || column < 0)
 {
 // raise exn?
 return;
 }
 
 if (DYN_SIZE(mHeight)
 && widget->getHeight() > mHeight)
 {
 mHeight = widget->getHeight();
 }
 
 if (DYN_SIZE(mWidths[column])
 && widget->getWidth() > mWidths[column])
 {
 mWidths[column] = widget->getWidth();
 }
 
 signalBeforeUpdate();
 
 delete mTableModel[WIDGET_AT(row, column)];
 
 mTableModel[WIDGET_AT(row, column)] = widget;
 
 signalAfterUpdate();
}
 
Widget *StaticTableModel::getElementAt(const int row,
 const int column) const
{
 return mTableModel[WIDGET_AT(row, column)];
}
 
void StaticTableModel::fixColumnWidth(const int column, const int width)
{
 if (width < 0 || column < 0 || column >= mColumns)
 return;
 
 mWidths[column] = -width; // Negate to tag as fixed
}
 
void StaticTableModel::fixRowHeight(const int height)
{
 if (height < 0)
 return;
 
 mHeight = -height;
}
 
int StaticTableModel::getRowHeight() const
{
 return abs(mHeight);
}
 
int StaticTableModel::getColumnWidth(const int column) const
{
 if (column < 0 || column >= mColumns)
 return 0;
 
 return abs(mWidths[column]);
}
 
int StaticTableModel::getRows() const
{
 return mRows;
}
 
int StaticTableModel::getColumns() const
{
 return mColumns;
}
 
int StaticTableModel::getWidth() const
{
 size_t width = 0;
 
 for (size_t i = 0, sz = mWidths.size(); i < sz; i++)
 width += CAST_SIZE(mWidths[i]);
 
 return CAST_S32(width);
}
 
int StaticTableModel::getHeight() const
{
 return mColumns * mHeight;
}