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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup spoutliner
*/
#include "DNA_ID.h"
#include "DNA_space_types.h"
#include "BLI_listbase.h"
#include "BLI_listbase_wrapper.hh"
#include "BLI_utildefines.h"
#include "BKE_main.h"
#include "../outliner_intern.hh"
#include "common.hh"
#include "tree_display.hh"
#include "tree_element.hh"
namespace blender::ed::outliner {
template<typename T> using List = ListBaseWrapper<T>;
TreeDisplayIDOrphans::TreeDisplayIDOrphans(SpaceOutliner &space_outliner)
: AbstractTreeDisplay(space_outliner)
{
}
SubTree TreeDisplayIDOrphans::buildTree(const TreeSourceData &source_data)
{
SubTree tree;
ListBase *lbarray[INDEX_ID_MAX];
short filter_id_type = (space_outliner_.filter & SO_FILTER_ID_TYPE) ?
space_outliner_.filter_id_type :
0;
int tot;
if (filter_id_type) {
lbarray[0] = which_libbase(source_data.bmain, filter_id_type);
tot = 1;
}
else {
tot = set_listbasepointers(source_data.bmain, lbarray);
}
for (int a = 0; a < tot; a++) {
if (BLI_listbase_is_empty(lbarray[a])) {
continue;
}
if (!datablock_has_orphans(*lbarray[a])) {
continue;
}
/* Header for this type of data-block. */
TreeElement *te = nullptr;
if (!filter_id_type) {
ID *id = (ID *)lbarray[a]->first;
te = outliner_add_element(&space_outliner_, lbarray[a], tree, TSE_ID_BASE, 0);
te->directdata = lbarray[a];
te->name = outliner_idcode_to_plural(GS(id->name));
}
/* Add the orphaned data-blocks - these will not be added with any subtrees attached. */
for (ID *id : List<ID>(lbarray[a])) {
if (ID_REAL_USERS(id) <= 0) {
outliner_add_element(&space_outliner_, id, te ? te->child_elements : tree, TSE_SOME_ID, 0);
}
}
}
return tree;
}
bool TreeDisplayIDOrphans::datablock_has_orphans(ListBase &lb) const
{
for (ID *id : List<ID>(lb)) {
if (ID_REAL_USERS(id) <= 0) {
return true;
}
}
return false;
}
} // namespace blender::ed::outliner
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