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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup spoutliner
*/
#include "DNA_ID.h"
#include "BLI_listbase.h"
#include "BLI_listbase_wrapper.hh"
#include "BLI_utildefines.h"
#include "BKE_main.h"
#include "../outliner_intern.h"
#include "tree_display.hh"
namespace blender::ed::outliner {
/* Convenience/readability. */
template<typename T> using List = ListBaseWrapper<T>;
TreeDisplayIDOrphans::TreeDisplayIDOrphans(SpaceOutliner &space_outliner)
: AbstractTreeDisplay(space_outliner)
{
}
ListBase TreeDisplayIDOrphans::buildTree(const TreeSourceData &source_data)
{
ListBase tree = {nullptr};
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_, &tree, lbarray[a], nullptr, 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_, (te) ? &te->subtree : &tree, id, te, 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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