static gboolean
gnc_tree_view_commodity_filter_helper (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data)
{
gnc_commodity_namespace *name_space;
gnc_commodity *commodity;
filter_user_data *fd = data;
g_return_val_if_fail (GNC_IS_TREE_MODEL_COMMODITY (model), FALSE);
g_return_val_if_fail (iter != NULL, FALSE);
if (gnc_tree_model_commodity_iter_is_namespace (GNC_TREE_MODEL_COMMODITY(model), iter))
{
if (fd->user_ns_fn)
{
name_space = gnc_tree_model_commodity_get_namespace (GNC_TREE_MODEL_COMMODITY(model), iter);
return fd->user_ns_fn(name_space, fd->user_data);
}
return TRUE;
}
if (gnc_tree_model_commodity_iter_is_commodity (GNC_TREE_MODEL_COMMODITY(model), iter))
{
if (fd->user_cm_fn)
{
commodity = gnc_tree_model_commodity_get_commodity (GNC_TREE_MODEL_COMMODITY(model), iter);
return fd->user_cm_fn(commodity, fd->user_data);
}
return TRUE;
}
return FALSE;
}
/*
* Retrieve the selected commodity from an commodity tree view. The
* commodity tree must be in single selection mode.
*/
gnc_commodity *
gnc_tree_view_commodity_get_selected_commodity (GncTreeViewCommodity *view)
{
GtkTreeSelection *selection;
GtkTreeModel *model, *f_model, *s_model;
GtkTreeIter iter, f_iter, s_iter;
gnc_commodity *commodity;
g_return_val_if_fail (GNC_IS_TREE_VIEW_COMMODITY (view), NULL);
ENTER("view %p", view);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(view));
if (!gtk_tree_selection_get_selected (selection, &s_model, &s_iter))
{
LEAVE("no commodity, get_selected failed");
return FALSE;
}
gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (s_model),
&f_iter, &s_iter);
f_model = gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT(s_model));
gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER (f_model),
&iter, &f_iter);
model = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(f_model));
commodity = gnc_tree_model_commodity_get_commodity (GNC_TREE_MODEL_COMMODITY(model),
&iter);
LEAVE("commodity %p (%s)", commodity,
commodity ? gnc_commodity_get_mnemonic(commodity) : "");
return commodity;
}
/************************************************************/
#define debug_path(fn, path) { \
gchar *path_string = gtk_tree_path_to_string(path); \
fn("tree path %s", path_string); \
g_free(path_string); \
}
#if 0 /* Not Used */
static gboolean
gnc_tree_view_commodity_get_iter_from_commodity (GncTreeViewCommodity *view,
gnc_commodity *commodity,
GtkTreeIter *s_iter)
{
GtkTreeModel *model, *f_model, *s_model;
GtkTreeIter iter, f_iter;
g_return_val_if_fail(GNC_IS_TREE_VIEW_COMMODITY(view), FALSE);
g_return_val_if_fail(commodity != NULL, FALSE);
g_return_val_if_fail(s_iter != NULL, FALSE);
ENTER("view %p, commodity %p (%s)", view, commodity, gnc_commodity_get_mnemonic(commodity));
/* Reach down to the real model and get an iter for this commodity */
s_model = gtk_tree_view_get_model(GTK_TREE_VIEW(view));
f_model = gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT(s_model));
model = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(f_model));
if (!gnc_tree_model_commodity_get_iter_from_commodity (GNC_TREE_MODEL_COMMODITY(model), commodity, &iter))
{
LEAVE("model_get_iter_from_commodity failed");
return FALSE;
}
/* convert back to a sort iter */
gtk_tree_model_filter_convert_child_iter_to_iter (GTK_TREE_MODEL_FILTER(f_model),
&f_iter, &iter);
gtk_tree_model_sort_convert_child_iter_to_iter (GTK_TREE_MODEL_SORT(s_model),
s_iter, &f_iter);
LEAVE(" ");
return TRUE;
}
static gint
sort_namespace (GtkTreeModel *f_model,
GtkTreeIter *f_iter_a,
GtkTreeIter *f_iter_b)
{
GncTreeModelCommodity *model;
GtkTreeModel *tree_model;
GtkTreeIter iter_a, iter_b;
gnc_commodity_namespace *ns_a, *ns_b;
tree_model = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(f_model));
model = GNC_TREE_MODEL_COMMODITY(tree_model);
gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER(f_model),
&iter_a,
f_iter_a);
gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER(f_model),
&iter_b,
f_iter_b);
ns_a = gnc_tree_model_commodity_get_namespace (model, &iter_a);
ns_b = gnc_tree_model_commodity_get_namespace (model, &iter_b);
return safe_utf8_collate (gnc_commodity_namespace_get_gui_name (ns_a),
gnc_commodity_namespace_get_gui_name (ns_b));
}
static void
gnc_tree_model_commodity_finalize (GObject *object)
{
GncTreeModelCommodity *model;
GncTreeModelCommodityPrivate *priv;
g_return_if_fail (object != NULL);
g_return_if_fail (GNC_IS_TREE_MODEL_COMMODITY (object));
ENTER("model %p", object);
model = GNC_TREE_MODEL_COMMODITY (object);
priv = GNC_TREE_MODEL_COMMODITY_GET_PRIVATE(model);
priv->book = NULL;
priv->commodity_table = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
LEAVE(" ");
}
static void
gnc_tree_model_commodity_dispose (GObject *object)
{
GncTreeModelCommodity *model;
GncTreeModelCommodityPrivate *priv;
g_return_if_fail (object != NULL);
g_return_if_fail (GNC_IS_TREE_MODEL_COMMODITY (object));
ENTER("model %p", object);
model = GNC_TREE_MODEL_COMMODITY (object);
priv = GNC_TREE_MODEL_COMMODITY_GET_PRIVATE(model);
if (priv->event_handler_id)
{
qof_event_unregister_handler (priv->event_handler_id);
priv->event_handler_id = 0;
}
if (G_OBJECT_CLASS (parent_class)->dispose)
G_OBJECT_CLASS (parent_class)->dispose (object);
LEAVE(" ");
}
/*
* This helper function is called once for each row in the tree view
* that is currently selected. Its task is to an the corresponding
* commodity to the end of a glist.
*/
static void
get_selected_commodities_helper (GtkTreeModel *s_model,
GtkTreePath *s_path,
GtkTreeIter *s_iter,
gpointer data)
{
GList **return_list = data;
GtkTreeModel *model, *f_model;
GtkTreeIter iter, f_iter;
gnc_commodity *commodity;
gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (s_model),
&f_iter, s_iter);
f_model = gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT(s_model));
gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER (f_model),
&iter, &f_iter);
model = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(f_model));
commodity = gnc_tree_model_commodity_get_commodity (GNC_TREE_MODEL_COMMODITY(model),
&iter);
*return_list = g_list_append(*return_list, commodity);
}
static gboolean
get_commodities_w_iters (GtkTreeModel *f_model,
GtkTreeIter *f_iter_a,
GtkTreeIter *f_iter_b,
GtkTreeModel **model_p,
GtkTreeIter *iter_a,
GtkTreeIter *iter_b,
gnc_commodity **comm_a,
gnc_commodity **comm_b)
{
GncTreeModelCommodity *model;
GtkTreeModel *tree_model;
tree_model = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(f_model));
model = GNC_TREE_MODEL_COMMODITY(tree_model);
gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER(f_model),
iter_a,
f_iter_a);
gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER(f_model),
iter_b,
f_iter_b);
/* Both iters must point to commodities for this to be meaningful */
if (!gnc_tree_model_commodity_iter_is_commodity (model, iter_a))
return FALSE;
if (!gnc_tree_model_commodity_iter_is_commodity (model, iter_b))
return FALSE;
*comm_a = gnc_tree_model_commodity_get_commodity (model, iter_a);
*comm_b = gnc_tree_model_commodity_get_commodity (model, iter_b);
if (model_p)
*model_p = tree_model;
return TRUE;
}
