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-rw-r--r--a11y/ea-cell-table.c207
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diff --git a/a11y/ea-cell-table.c b/a11y/ea-cell-table.c
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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) 2003 Ximian, Inc.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, 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);
+
+ g_print ("destroy cell table (%d, %d)\n", cell_data->rows,
+ cell_data->columns);
+ 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;
+}