/*!
* \brief Create a new diagram data object only containing the selected objects
* \memberof _DiagramData
*/
DiagramData *
diagram_data_clone_selected (DiagramData *data)
{
DiagramData *clone;
Layer *dest_layer;
GList *sorted;
clone = g_object_new (DIA_TYPE_DIAGRAM_DATA, NULL);
clone->extents = data->extents;
clone->bg_color = data->bg_color;
clone->paper = data->paper; /* so ugly */
clone->paper.name = g_strdup (data->paper.name);
clone->is_compressed = data->is_compressed;
/* the selection - if any - can only be on the active layer */
dest_layer = g_ptr_array_index(clone->layers, 0);
g_free (dest_layer->name);
dest_layer->name = layer_get_name (data->active_layer);
sorted = data_get_sorted_selected (data);
dest_layer->objects = object_copy_list (sorted);
g_list_free (sorted);
dest_layer->visible = data->active_layer->visible;
dest_layer->connectable = data->active_layer->connectable;
data_update_extents (clone);
return clone;
}
static void
prop_dialog_fill(PropDialog *dialog, GList *objects, gboolean is_default)
{
const PropDescription *pdesc;
GPtrArray *props;
g_return_if_fail(objects_comply_with_stdprop(objects));
dialog->objects = g_list_copy(objects);
dialog->copies = object_copy_list(objects);
pdesc = object_list_get_prop_descriptions(objects, PROP_UNION);
if (!pdesc) return;
if (is_default)
props = prop_list_from_descs(pdesc,pdtpp_is_visible_default);
else
props = prop_list_from_descs(pdesc,pdtpp_is_visible);
if (!props) return;
_prop_list_extend_for_meta (props);
dialog->props = props;
object_list_get_props(objects, props);
prop_dialog_add_properties(dialog, props);
}
/*!
* \brief Create a copy of the whole diagram data
*
* This is kind of a deep copy, everything not immutable gets duplicated.
* Still this is supposed to be relatively fast, because the most expensive
* objects have immutuable properties, namely the pixbufs in DiaImage are
* only referenced.
*
* \memberof _DiagramData
*/
DiagramData *
diagram_data_clone (DiagramData *data)
{
DiagramData *clone;
guint i;
clone = g_object_new (DIA_TYPE_DIAGRAM_DATA, NULL);
clone->extents = data->extents;
clone->bg_color = data->bg_color;
clone->paper = data->paper; /* so ugly */
clone->paper.name = g_strdup (data->paper.name);
clone->is_compressed = data->is_compressed;
layer_destroy(g_ptr_array_index(clone->layers, 0));
g_ptr_array_remove(clone->layers, clone->active_layer);
for (i=0; i < data->layers->len; ++i) {
Layer *src_layer = g_ptr_array_index(data->layers, i);
Layer *dest_layer = new_layer (layer_get_name (src_layer), clone);
/* copy layer, init the active one */
dest_layer->extents = src_layer->extents;
dest_layer->objects = object_copy_list (src_layer->objects);
dest_layer->visible = src_layer->visible;
dest_layer->connectable = src_layer->connectable;
g_ptr_array_add (clone->layers, dest_layer);
if (src_layer == data->active_layer)
clone->active_layer = dest_layer;
/* the rest should be initialized by construction */
}
return clone;
}