tablemodel.cpp

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/*
 *  The Mana Client
 *  Copyright (C) 2008-2009  The Mana World Development Team
 *  Copyright (C) 2009-2012  The Mana Developers
 *
 *  This file is part of The Mana 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/widgets/tablemodel.h"
 
#include "utils/dtor.h"
 
#include <guichan/widget.hpp>
 
void TableModel::installListener(TableModelListener *listener)
{
    listeners.insert(listener);
}
 
void TableModel::removeListener(TableModelListener *listener)
{
    listeners.erase(listener);
}
 
void TableModel::signalBeforeUpdate()
{
    for (auto listener : listeners)
        listener->modelUpdated(false);
}
 
void TableModel::signalAfterUpdate()
{
    for (auto listener : listeners)
        listener->modelUpdated(true);
}
 
 
#define WIDGET_AT(row, column) (((row) * mColumns) + (column))
#define DYN_SIZE(h) ((h) >= 0)  // determines whether this size is tagged for auto-detection
 
StaticTableModel::StaticTableModel(int row, int column) :
    mRows(row),
    mColumns(column),
    mHeight(1)
{
    mTableModel.resize(row * column);
    mWidths.resize(column, 1);
}
 
StaticTableModel::~StaticTableModel()
{
    delete_all(mTableModel);
}
 
void StaticTableModel::resize()
{
    mRows = getRows();
    mColumns = getColumns();
    mTableModel.resize(mRows * mColumns);
}
 
void StaticTableModel::set(int row, int column, gcn::Widget *widget)
{
    if (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();
 
    if (mTableModel[WIDGET_AT(row, column)])
        delete mTableModel[WIDGET_AT(row, column)];
 
    mTableModel[WIDGET_AT(row, column)] = widget;
 
    signalAfterUpdate();
}
 
gcn::Widget *StaticTableModel::getElementAt(int row, int column) const
{
    return mTableModel[WIDGET_AT(row, column)];
}
 
void StaticTableModel::fixColumnWidth(int column, int width)
{
    if (width < 0
        || column < 0 || column >= mColumns)
        return;
 
    mWidths[column] = -width; // Negate to tag as fixed
}
 
void StaticTableModel::fixRowHeight(int height)
{
    if (height < 0)
        return;
 
    mHeight = -height;
}
 
int StaticTableModel::getRowHeight() const
{
    return abs(mHeight);
}
 
int StaticTableModel::getColumnWidth(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
{
    int width = 0;
 
    for (int w : mWidths)
    {
        width += w;
    }
 
    return width;
}
 
int StaticTableModel::getHeight() const
{
    return mColumns * mHeight;
}