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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 "BLI_listbase.h"
#include "BLI_listbase_wrapper.hh"
#include "BKE_collection.h"
#include "BKE_main.h"
#include "DNA_collection_types.h"
#include "BLT_translation.h"
#include "../outliner_intern.h"
#include "tree_display.hh"
namespace blender::ed::outliner {
template<typename T> using List = ListBaseWrapper<T>;
TreeDisplayLibraries::TreeDisplayLibraries(SpaceOutliner &space_outliner)
: AbstractTreeDisplay(space_outliner)
{
}
ListBase TreeDisplayLibraries::buildTree(const TreeSourceData &source_data)
{
ListBase tree = {nullptr};
{
/* current file first - mainvar provides tselem with unique pointer - not used */
TreeElement *ten = add_library_contents(*source_data.bmain, tree, nullptr);
TreeStoreElem *tselem;
if (ten) {
tselem = TREESTORE(ten);
if (!tselem->used) {
tselem->flag &= ~TSE_CLOSED;
}
}
}
for (ID *id : List<ID>(source_data.bmain->libraries)) {
Library *lib = reinterpret_cast<Library *>(id);
TreeElement *ten = add_library_contents(*source_data.bmain, tree, lib);
/* NULL-check matters, due to filtering there may not be a new element. */
if (ten) {
lib->id.newid = (ID *)ten;
}
}
/* make hierarchy */
for (TreeElement *ten : List<TreeElement>(tree)) {
if (ten == tree.first) {
/* First item is main, skip. */
continue;
}
TreeStoreElem *tselem = TREESTORE(ten);
Library *lib = (Library *)tselem->id;
BLI_assert(!lib || (GS(lib->id.name) == ID_LI));
if (!lib || !lib->parent) {
continue;
}
TreeElement *parent = (TreeElement *)lib->parent->id.newid;
if (tselem->id->tag & LIB_TAG_INDIRECT) {
/* Only remove from 'first level' if lib is not also directly used. */
BLI_remlink(&tree, ten);
BLI_addtail(&parent->subtree, ten);
ten->parent = parent;
}
else {
/* Else, make a new copy of the libtree for our parent. */
TreeElement *dupten = add_library_contents(*source_data.bmain, parent->subtree, lib);
if (dupten) {
dupten->parent = parent;
}
}
}
/* restore newid pointers */
for (ID *library_id : List<ID>(source_data.bmain->libraries)) {
library_id->newid = nullptr;
}
return tree;
}
TreeElement *TreeDisplayLibraries::add_library_contents(Main &mainvar,
ListBase &lb,
Library *lib) const
{
const short filter_id_type = id_filter_get();
ListBase *lbarray[INDEX_ID_MAX];
int tot;
if (filter_id_type) {
lbarray[0] = which_libbase(&mainvar, space_outliner_.filter_id_type);
tot = 1;
}
else {
tot = set_listbasepointers(&mainvar, lbarray);
}
TreeElement *tenlib = nullptr;
for (int a = 0; a < tot; a++) {
if (!lbarray[a] || !lbarray[a]->first) {
continue;
}
ID *id = static_cast<ID *>(lbarray[a]->first);
const bool is_library = (GS(id->name) == ID_LI) && (lib != nullptr);
/* check if there's data in current lib */
for (ID *id_iter : List<ID>(lbarray[a])) {
if (id_iter->lib == lib) {
id = id_iter;
break;
}
}
/* We always want to create an entry for libraries, even if/when we have no more IDs from them.
* This invalid state is important to show to user as well. */
if (id != nullptr || is_library) {
if (!tenlib) {
/* Create library tree element on demand, depending if there are any data-blocks. */
if (lib) {
tenlib = outliner_add_element(&space_outliner_, &lb, lib, nullptr, TSE_SOME_ID, 0);
}
else {
tenlib = outliner_add_element(&space_outliner_, &lb, &mainvar, nullptr, TSE_ID_BASE, 0);
tenlib->name = IFACE_("Current File");
}
}
/* Create data-block list parent element on demand. */
if (id != nullptr) {
TreeElement *ten;
if (filter_id_type) {
ten = tenlib;
}
else {
ten = outliner_add_element(
&space_outliner_, &tenlib->subtree, lbarray[a], nullptr, TSE_ID_BASE, 0);
ten->directdata = lbarray[a];
ten->name = outliner_idcode_to_plural(GS(id->name));
}
for (ID *id : List<ID>(lbarray[a])) {
if (library_id_filter_poll(lib, id)) {
outliner_add_element(&space_outliner_, &ten->subtree, id, ten, TSE_SOME_ID, 0);
}
}
}
}
}
return tenlib;
}
short TreeDisplayLibraries::id_filter_get() const
{
if (space_outliner_.filter & SO_FILTER_ID_TYPE) {
return space_outliner_.filter_id_type;
}
return 0;
}
bool TreeDisplayLibraries::library_id_filter_poll(const Library *lib, ID *id) const
{
if (id->lib != lib) {
return false;
}
if (id_filter_get() == ID_GR) {
/* Don't show child collections of non-scene master collection,
* they are already shown as children. */
Collection *collection = (Collection *)id;
bool has_non_scene_parent = false;
for (CollectionParent *cparent : List<CollectionParent>(collection->parents)) {
if (!(cparent->collection->flag & COLLECTION_IS_MASTER)) {
has_non_scene_parent = true;
}
}
if (has_non_scene_parent) {
return false;
}
}
return true;
}
} // namespace blender::ed::outliner
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