/**
* gda_data_model_array_set_n_columns:
* @model: the #GdaDataModelArray.
* @cols: number of columns for rows this data model should use.
*
* Sets the number of columns for rows inserted in this model.
* @cols must be greated than or equal to 0.
*
* Also clears @model's contents.
*/
void
gda_data_model_array_set_n_columns (GdaDataModelArray *model, gint cols)
{
g_return_if_fail (GDA_IS_DATA_MODEL_ARRAY (model));
gda_data_model_array_clear (model);
model->priv->number_of_columns = cols;
g_object_notify (G_OBJECT (model), "n-columns");
}
static void
gda_data_model_array_finalize (GObject *object)
{
GdaDataModelArray *model = (GdaDataModelArray *) object;
g_return_if_fail (GDA_IS_DATA_MODEL_ARRAY (model));
/* free memory */
gda_data_model_freeze (GDA_DATA_MODEL(model));
gda_data_model_array_clear (model);
g_array_free (model->priv->rows, TRUE);
g_hash_table_foreach (model->priv->column_spec, (GHFunc) hash_free_column, model);
g_hash_table_destroy (model->priv->column_spec);
model->priv->column_spec = NULL;
g_free (model->priv);
model->priv = NULL;
/* chain to parent class */
parent_class->finalize (object);
}
static void
update_possible_operations (DemoData *data)
{
GdaServerOperationType type;
GdaDataModel *model;
model = gdaui_data_selector_get_model (GDAUI_DATA_SELECTOR (data->op_combo));
if (!model) {
gint columns[] = {1};
model = gda_data_model_array_new_with_g_types (2, G_TYPE_INT, G_TYPE_STRING);
gdaui_combo_set_model (GDAUI_COMBO (data->op_combo), model, 1, columns);
}
else
gda_data_model_array_clear (GDA_DATA_MODEL_ARRAY (model));
for (type = 0; type < GDA_SERVER_OPERATION_LAST; type ++)
if (gda_server_provider_supports_operation (get_provider_obj (data),
NULL, type, NULL)) {
gint row;
row = gda_data_model_append_row (model, NULL);
if (row < 0)
g_error ("Cant' append data to a GdaDataModelArray");
else {
GValue value;
memset (&value, 0, sizeof (GValue));
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, type);
gda_data_model_set_value_at (model, 0, row, &value, NULL);
memset (&value, 0, sizeof (GValue));
g_value_init (&value, G_TYPE_STRING);
g_value_set_string (&value, gda_server_operation_op_type_to_string (type));
gda_data_model_set_value_at (model, 1, row, &value, NULL);
}
}
}
