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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 <cstring>
#include "BLI_listbase.h"
#include "BLI_listbase_wrapper.hh"
#include "BLI_utildefines.h"
#include "SEQ_sequencer.h"
#include "../outliner_intern.h"
#include "tree_display.hh"
namespace blender::ed::outliner {
/* Convenience/readability. */
template<typename T> using List = ListBaseWrapper<T>;
TreeDisplaySequencer::TreeDisplaySequencer(SpaceOutliner &space_outliner)
: AbstractTreeDisplay(space_outliner)
{
}
ListBase TreeDisplaySequencer::buildTree(const TreeSourceData &source_data)
{
ListBase tree = {nullptr};
Editing *ed = BKE_sequencer_editing_get(source_data.scene, false);
if (ed == nullptr) {
return tree;
}
for (Sequence *seq : List<Sequence>(ed->seqbasep)) {
SequenceAddOp op = need_add_seq_dup(seq);
if (op == SEQUENCE_DUPLICATE_NONE) {
outliner_add_element(&space_outliner_, &tree, seq, nullptr, TSE_SEQUENCE, 0);
}
else if (op == SEQUENCE_DUPLICATE_ADD) {
TreeElement *te = outliner_add_element(
&space_outliner_, &tree, seq, nullptr, TSE_SEQUENCE_DUP, 0);
add_seq_dup(seq, te, 0);
}
}
return tree;
}
/* Helped function to put duplicate sequence in the same tree. */
SequenceAddOp TreeDisplaySequencer::need_add_seq_dup(Sequence *seq) const
{
if ((!seq->strip) || (!seq->strip->stripdata)) {
return SEQUENCE_DUPLICATE_NONE;
}
/*
* First check backward, if we found a duplicate
* sequence before this, don't need it, just return.
*/
Sequence *p = seq->prev;
while (p) {
if ((!p->strip) || (!p->strip->stripdata)) {
p = p->prev;
continue;
}
if (STREQ(p->strip->stripdata->name, seq->strip->stripdata->name)) {
return SEQUENCE_DUPLICATE_NOOP;
}
p = p->prev;
}
p = seq->next;
while (p) {
if ((!p->strip) || (!p->strip->stripdata)) {
p = p->next;
continue;
}
if (STREQ(p->strip->stripdata->name, seq->strip->stripdata->name)) {
return SEQUENCE_DUPLICATE_ADD;
}
p = p->next;
}
return SEQUENCE_DUPLICATE_NONE;
}
void TreeDisplaySequencer::add_seq_dup(Sequence *seq, TreeElement *te, short index) const
{
Sequence *p = seq;
while (p) {
if ((!p->strip) || (!p->strip->stripdata) || (p->strip->stripdata->name[0] == '\0')) {
p = p->next;
continue;
}
if (STREQ(p->strip->stripdata->name, seq->strip->stripdata->name)) {
outliner_add_element(&space_outliner_, &te->subtree, (void *)p, te, TSE_SEQUENCE, index);
}
p = p->next;
}
}
} // namespace blender::ed::outliner
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