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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* vim:expandtab:shiftwidth=8:tabstop=8:
*/
/* Evolution Accessibility: ea-cell-table.c
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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.
*
* Author: Bolian Yin <bolian.yin@sun.com> Sun Microsystem Inc., 2003
*
*/
#include "ea-cell-table.h"
EaCellTable *
ea_cell_table_create (gint rows, gint columns, gboolean column_first)
{
EaCellTable * cell_data;
gint index;
g_return_val_if_fail (((columns > 0) && (rows > 0)), NULL);
cell_data = g_new0 (EaCellTable, 1);
cell_data->column_first = column_first;
cell_data->columns = columns;
cell_data->rows = rows;
cell_data->column_labels = g_new0 (gchar*, columns);
for (index = columns -1; index >= 0; --index)
cell_data->column_labels [index] = NULL;
cell_data->row_labels = g_new0 (gchar*, rows);
for (index = rows -1; index >= 0; --index)
cell_data->row_labels [index] = NULL;
cell_data->cells = g_new0(gpointer, (columns * rows));
for (index = (columns * rows) -1; index >= 0; --index)
cell_data->cells [index] = NULL;
return cell_data;
}
void
ea_cell_table_destroy (EaCellTable * cell_data)
{
gint index;
g_return_if_fail (cell_data);
for (index = 0; index < cell_data->columns; ++index)
if (cell_data->column_labels [index])
g_free (cell_data->column_labels [index]);
g_free (cell_data->column_labels);
for (index = 0; index < cell_data->rows; ++index)
if (cell_data->row_labels [index])
g_free (cell_data->row_labels [index]);
g_free (cell_data->row_labels);
for (index = (cell_data->columns * cell_data->rows) -1;
index >= 0; --index)
if (cell_data->cells[index] &&
G_IS_OBJECT (cell_data->cells[index]))
g_object_unref (cell_data->cells[index]);
g_free (cell_data->cells);
}
gpointer
ea_cell_table_get_cell (EaCellTable * cell_data,
gint row, gint column)
{
gint index;
g_return_val_if_fail (cell_data, NULL);
index = ea_cell_table_get_index (cell_data, column, row);
if (index == -1)
return NULL;
return cell_data->cells[index];
}
gboolean
ea_cell_table_set_cell (EaCellTable * cell_data,
gint row, gint column, gpointer cell)
{
gint index;
g_return_val_if_fail (cell_data, FALSE);
index = ea_cell_table_get_index (cell_data, column, row);
if (index == -1)
return FALSE;
if (cell && G_IS_OBJECT(cell))
g_object_ref (cell);
if (cell_data->cells[index] &&
G_IS_OBJECT (cell_data->cells[index]))
g_object_unref (cell_data->cells[index]);
cell_data->cells[index] = cell;
return TRUE;
}
gpointer
ea_cell_table_get_cell_at_index (EaCellTable * cell_data,
gint index)
{
g_return_val_if_fail (cell_data, NULL);
if (index >=0 && index < (cell_data->columns * cell_data->rows))
return cell_data->cells [index];
return NULL;
}
gboolean
ea_cell_table_set_cell_at_index (EaCellTable * cell_data,
gint index, gpointer cell)
{
g_return_val_if_fail (cell_data, FALSE);
if (index < 0 || index >=cell_data->columns * cell_data->rows)
return FALSE;
if (cell && G_IS_OBJECT(cell))
g_object_ref (cell);
if (cell_data->cells[index] &&
G_IS_OBJECT (cell_data->cells[index]))
g_object_unref (cell_data->cells[index]);
cell_data->cells[index] = cell;
return TRUE;
}
G_CONST_RETURN gchar*
ea_cell_table_get_column_label (EaCellTable * cell_data,
gint column)
{
g_return_val_if_fail (cell_data, NULL);
g_return_val_if_fail ((column >= 0 && column < cell_data->columns), NULL);
return cell_data->column_labels[column];
}
void
ea_cell_table_set_column_label (EaCellTable * cell_data,
gint column, const gchar *label)
{
g_return_if_fail (cell_data);
g_return_if_fail ((column >= 0 && column < cell_data->columns));
if (cell_data->column_labels[column])
g_free (cell_data->column_labels[column]);
cell_data->column_labels[column] = g_strdup(label);
}
G_CONST_RETURN gchar*
ea_cell_table_get_row_label (EaCellTable * cell_data,
gint row)
{
g_return_val_if_fail (cell_data, NULL);
g_return_val_if_fail ((row >= 0 && row < cell_data->rows), NULL);
return cell_data->row_labels[row];
}
void
ea_cell_table_set_row_label (EaCellTable * cell_data,
gint row, const gchar *label)
{
g_return_if_fail (cell_data);
g_return_if_fail ((row >= 0 && row < cell_data->rows));
if (cell_data->row_labels[row])
g_free (cell_data->row_labels[row]);
cell_data->row_labels[row] = g_strdup(label);
}
gint
ea_cell_table_get_index (EaCellTable *cell_data,
gint row, gint column)
{
g_return_val_if_fail (cell_data, -1);
if (row < 0 || row >= cell_data->rows ||
column < 0 || column >= cell_data->columns)
return -1;
if (cell_data->column_first)
return column * cell_data->rows + row;
else
return row * cell_data->columns + column;
}
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