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|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* Contributor(s): Blender Foundation, Dalai Felinto
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_outliner/outliner_collections.c
* \ingroup spoutliner
*/
#include "BLI_utildefines.h"
#include "BLI_listbase.h"
#include "BKE_context.h"
#include "BKE_collection.h"
#include "BKE_layer.h"
#include "BKE_main.h"
#include "BKE_report.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_build.h"
#include "DNA_group_types.h"
#include "ED_screen.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"
#include "UI_resources.h"
#include "outliner_intern.h" /* own include */
/* Prototypes. */
static int collection_delete_exec(struct bContext *C, struct wmOperator *op);
/* -------------------------------------------------------------------- */
static LayerCollection *outliner_collection_active(bContext *C)
{
return CTX_data_layer_collection(C);
}
SceneCollection *outliner_scene_collection_from_tree_element(TreeElement *te)
{
TreeStoreElem *tselem = TREESTORE(te);
if (tselem->type == TSE_SCENE_COLLECTION) {
return te->directdata;
}
else if (tselem->type == TSE_LAYER_COLLECTION) {
LayerCollection *lc = te->directdata;
return lc->scene_collection;
}
return NULL;
}
/* -------------------------------------------------------------------- */
/* Poll functions. */
static int collections_editor_poll(bContext *C)
{
SpaceOops *so = CTX_wm_space_outliner(C);
return (so != NULL) && (so->outlinevis == SO_COLLECTIONS);
}
static int view_layer_editor_poll(bContext *C)
{
SpaceOops *so = CTX_wm_space_outliner(C);
return (so != NULL) && (so->outlinevis == SO_VIEW_LAYER);
}
/* -------------------------------------------------------------------- */
/* collection manager operators */
/**
* Recursively get the collection for a given index
*/
static SceneCollection *scene_collection_from_index(ListBase *lb, const int number, int *i)
{
for (SceneCollection *sc = lb->first; sc; sc = sc->next) {
if (*i == number) {
return sc;
}
(*i)++;
SceneCollection *sc_nested = scene_collection_from_index(&sc->scene_collections, number, i);
if (sc_nested) {
return sc_nested;
}
}
return NULL;
}
typedef struct TreeElementFindData {
SceneCollection *collection;
TreeElement *r_result_te;
} TreeElementFindData;
static TreeTraversalAction tree_element_find_by_scene_collection_cb(TreeElement *te, void *customdata)
{
TreeElementFindData *data = customdata;
const SceneCollection *current_element_sc = outliner_scene_collection_from_tree_element(te);
if (current_element_sc == data->collection) {
data->r_result_te = te;
return TRAVERSE_BREAK;
}
return TRAVERSE_CONTINUE;
}
static TreeElement *outliner_tree_element_from_layer_collection_index(
SpaceOops *soops, ViewLayer *view_layer,
const int index)
{
LayerCollection *lc = BKE_layer_collection_from_index(view_layer, index);
if (lc == NULL) {
return NULL;
}
/* Find the tree element containing the LayerCollection's scene_collection. */
TreeElementFindData data = {
.collection = lc->scene_collection,
.r_result_te = NULL,
};
outliner_tree_traverse(soops, &soops->tree, 0, 0, tree_element_find_by_scene_collection_cb, &data);
return data.r_result_te;
}
static int collection_link_exec(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
SceneCollection *sc_master = BKE_collection_master(&scene->id);
SceneCollection *sc;
int scene_collection_index = RNA_enum_get(op->ptr, "scene_collection");
if (scene_collection_index == 0) {
sc = sc_master;
}
else {
int index = 1;
sc = scene_collection_from_index(&sc_master->scene_collections, scene_collection_index, &index);
BLI_assert(sc);
}
BKE_collection_link(view_layer, sc);
DEG_relations_tag_update(CTX_data_main(C));
/* TODO(sergey): Use proper flag for tagging here. */
DEG_id_tag_update(&scene->id, 0);
WM_main_add_notifier(NC_SCENE | ND_LAYER, NULL);
return OPERATOR_FINISHED;
}
static int collection_link_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
Scene *scene = CTX_data_scene(C);
SceneCollection *master_collection = BKE_collection_master(&scene->id);
if (master_collection->scene_collections.first == NULL) {
RNA_enum_set(op->ptr, "scene_collection", 0);
return collection_link_exec(C, op);
}
else {
return WM_enum_search_invoke(C, op, event);
}
}
static void collection_scene_collection_itemf_recursive(
EnumPropertyItem *tmp, EnumPropertyItem **item, int *totitem, int *value, SceneCollection *sc)
{
tmp->value = *value;
tmp->icon = ICON_COLLAPSEMENU;
tmp->identifier = sc->name;
tmp->name = sc->name;
RNA_enum_item_add(item, totitem, tmp);
(*value)++;
for (SceneCollection *ncs = sc->scene_collections.first; ncs; ncs = ncs->next) {
collection_scene_collection_itemf_recursive(tmp, item, totitem, value, ncs);
}
}
static const EnumPropertyItem *collection_scene_collection_itemf(
bContext *C, PointerRNA *UNUSED(ptr), PropertyRNA *UNUSED(prop), bool *r_free)
{
EnumPropertyItem tmp = {0, "", 0, "", ""};
EnumPropertyItem *item = NULL;
int value = 0, totitem = 0;
Scene *scene = CTX_data_scene(C);
SceneCollection *sc = BKE_collection_master(&scene->id);
collection_scene_collection_itemf_recursive(&tmp, &item, &totitem, &value, sc);
RNA_enum_item_end(&item, &totitem);
*r_free = true;
return item;
}
void OUTLINER_OT_collection_link(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Link Collection";
ot->idname = "OUTLINER_OT_collection_link";
ot->description = "Link a new collection to the active layer";
/* api callbacks */
ot->exec = collection_link_exec;
ot->invoke = collection_link_invoke;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
prop = RNA_def_enum(ot->srna, "scene_collection", DummyRNA_NULL_items, 0, "Scene Collection", "");
RNA_def_enum_funcs(prop, collection_scene_collection_itemf);
RNA_def_property_flag(prop, PROP_ENUM_NO_TRANSLATE);
ot->prop = prop;
}
/**
* Returns true if selected element is a collection directly
* linked to the active ViewLayer (not a nested collection)
*/
static int collection_unlink_poll(bContext *C)
{
if (view_layer_editor_poll(C) == 0) {
return 0;
}
LayerCollection *lc = outliner_collection_active(C);
if (lc == NULL) {
return 0;
}
ViewLayer *view_layer = CTX_data_view_layer(C);
return BLI_findindex(&view_layer->layer_collections, lc) != -1 ? 1 : 0;
}
static int collection_unlink_exec(bContext *C, wmOperator *op)
{
LayerCollection *lc = outliner_collection_active(C);
SpaceOops *soops = CTX_wm_space_outliner(C);
if (lc == NULL) {
BKE_report(op->reports, RPT_ERROR, "Active element is not a collection");
return OPERATOR_CANCELLED;
}
ViewLayer *view_layer = CTX_data_view_layer(C);
BKE_collection_unlink(view_layer, lc);
if (soops) {
outliner_cleanup_tree(soops);
}
DEG_relations_tag_update(CTX_data_main(C));
/* TODO(sergey): Use proper flag for tagging here. */
DEG_id_tag_update(&CTX_data_scene(C)->id, 0);
WM_main_add_notifier(NC_SCENE | ND_LAYER, NULL);
return OPERATOR_FINISHED;
}
void OUTLINER_OT_collection_unlink(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Unlink Collection";
ot->idname = "OUTLINER_OT_collection_unlink";
ot->description = "Unlink collection from the active layer";
/* api callbacks */
ot->exec = collection_unlink_exec;
ot->poll = collection_unlink_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/**********************************************************************************/
/* Add new collection. */
static int collection_new_exec(bContext *C, wmOperator *UNUSED(op))
{
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
SceneCollection *scene_collection = BKE_collection_add(&scene->id, NULL, COLLECTION_TYPE_NONE, NULL);
BKE_collection_link(view_layer, scene_collection);
DEG_relations_tag_update(bmain);
WM_main_add_notifier(NC_SCENE | ND_LAYER, NULL);
return OPERATOR_FINISHED;
}
void OUTLINER_OT_collection_new(wmOperatorType *ot)
{
/* identifiers */
ot->name = "New Collection";
ot->idname = "OUTLINER_OT_collection_new";
ot->description = "Add a new collection to the scene";
/* api callbacks */
ot->exec = collection_new_exec;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/**********************************************************************************/
/* Add new nested collection. */
struct CollectionNewData
{
bool error;
SceneCollection *scene_collection;
};
static TreeTraversalAction collection_find_selected_to_add(TreeElement *te, void *customdata)
{
struct CollectionNewData *data = customdata;
SceneCollection *scene_collection = outliner_scene_collection_from_tree_element(te);
if (!scene_collection) {
return TRAVERSE_SKIP_CHILDS;
}
if (data->scene_collection != NULL) {
data->error = true;
return TRAVERSE_BREAK;
}
data->scene_collection = scene_collection;
return TRAVERSE_CONTINUE;
}
static int collection_nested_new_exec(bContext *C, wmOperator *op)
{
SpaceOops *soops = CTX_wm_space_outliner(C);
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
struct CollectionNewData data = {
.error = false,
.scene_collection = NULL,
};
outliner_tree_traverse(soops, &soops->tree, 0, TSE_SELECTED, collection_find_selected_to_add, &data);
if (data.error) {
BKE_report(op->reports, RPT_ERROR, "More than one collection is selected");
return OPERATOR_CANCELLED;
}
BKE_collection_add(
&scene->id,
data.scene_collection,
COLLECTION_TYPE_NONE,
NULL);
outliner_cleanup_tree(soops);
DEG_relations_tag_update(bmain);
WM_main_add_notifier(NC_SCENE | ND_LAYER, NULL);
return OPERATOR_FINISHED;
}
void OUTLINER_OT_collection_nested_new(wmOperatorType *ot)
{
/* identifiers */
ot->name = "New Nested Collection";
ot->idname = "OUTLINER_OT_collection_nested_new";
ot->description = "Add a new collection inside selected collection";
/* api callbacks */
ot->exec = collection_nested_new_exec;
ot->poll = collections_editor_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/**********************************************************************************/
/* Delete selected collection. */
void OUTLINER_OT_collection_delete_selected(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Delete Selected Collections";
ot->idname = "OUTLINER_OT_collection_delete_selected";
ot->description = "Delete all the selected collections";
/* api callbacks */
ot->exec = collection_delete_exec;
ot->poll = collections_editor_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/**********************************************************************************/
/* Add new selected objects. */
struct SceneCollectionSelectedData {
ListBase scene_collections_array;
};
static TreeTraversalAction collection_find_selected_scene_collections(TreeElement *te, void *customdata)
{
struct SceneCollectionSelectedData *data = customdata;
SceneCollection *scene_collection = outliner_scene_collection_from_tree_element(te);
if (!scene_collection) {
return TRAVERSE_SKIP_CHILDS;
}
BLI_addtail(&data->scene_collections_array, BLI_genericNodeN(scene_collection));
return TRAVERSE_CONTINUE;
}
static int collection_objects_add_exec(bContext *C, wmOperator *op)
{
SpaceOops *soops = CTX_wm_space_outliner(C);
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
struct SceneCollectionSelectedData data = {
.scene_collections_array = {NULL, NULL},
};
outliner_tree_traverse(soops, &soops->tree, 0, TSE_SELECTED, collection_find_selected_scene_collections, &data);
if (BLI_listbase_is_empty(&data.scene_collections_array)) {
BKE_report(op->reports, RPT_ERROR, "No collection is selected");
return OPERATOR_CANCELLED;
}
CTX_DATA_BEGIN (C, struct Object *, ob, selected_objects)
{
BLI_LISTBASE_FOREACH (LinkData *, link, &data.scene_collections_array) {
SceneCollection *scene_collection = link->data;
BKE_collection_object_add(
&scene->id,
scene_collection,
ob);
}
}
CTX_DATA_END;
BLI_freelistN(&data.scene_collections_array);
outliner_cleanup_tree(soops);
DEG_relations_tag_update(bmain);
WM_main_add_notifier(NC_SCENE | ND_LAYER, NULL);
return OPERATOR_FINISHED;
}
void OUTLINER_OT_collection_objects_add(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Add Objects";
ot->idname = "OUTLINER_OT_collection_objects_add";
ot->description = "Add selected objects to collection";
/* api callbacks */
ot->exec = collection_objects_add_exec;
ot->poll = collections_editor_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/**********************************************************************************/
/* Remove selected objects. */
static int collection_objects_remove_exec(bContext *C, wmOperator *op)
{
SpaceOops *soops = CTX_wm_space_outliner(C);
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
struct SceneCollectionSelectedData data = {
.scene_collections_array = {NULL, NULL},
};
outliner_tree_traverse(soops, &soops->tree, 0, TSE_SELECTED, collection_find_selected_scene_collections, &data);
if (BLI_listbase_is_empty(&data.scene_collections_array)) {
BKE_report(op->reports, RPT_ERROR, "No collection is selected");
return OPERATOR_CANCELLED;
}
CTX_DATA_BEGIN (C, struct Object *, ob, selected_objects)
{
BLI_LISTBASE_FOREACH (LinkData *, link, &data.scene_collections_array) {
SceneCollection *scene_collection = link->data;
BKE_collection_object_remove(
bmain,
&scene->id,
scene_collection,
ob,
true);
}
}
CTX_DATA_END;
BLI_freelistN(&data.scene_collections_array);
outliner_cleanup_tree(soops);
DEG_relations_tag_update(bmain);
WM_main_add_notifier(NC_SCENE | ND_LAYER, NULL);
return OPERATOR_FINISHED;
}
void OUTLINER_OT_collection_objects_remove(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Remove Objects";
ot->idname = "OUTLINER_OT_collection_objects_remove";
ot->description = "Remove selected objects from collection";
/* api callbacks */
ot->exec = collection_objects_remove_exec;
ot->poll = collections_editor_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
struct CollectionDeleteData {
Scene *scene;
SpaceOops *soops;
GSet *collections_to_delete;
};
static TreeTraversalAction collection_find_data_to_delete(TreeElement *te, void *customdata)
{
struct CollectionDeleteData *data = customdata;
SceneCollection *scene_collection = outliner_scene_collection_from_tree_element(te);
if (!scene_collection) {
return TRAVERSE_SKIP_CHILDS;
}
if (scene_collection == BKE_collection_master(&data->scene->id)) {
/* skip - showing warning/error message might be missleading
* when deleting multiple collections, so just do nothing */
}
else {
BLI_gset_add(data->collections_to_delete, scene_collection);
return TRAVERSE_SKIP_CHILDS; /* Childs will be gone anyway, no need to recurse deeper. */
}
return TRAVERSE_CONTINUE;
}
static TreeTraversalAction collection_delete_elements_from_collection(TreeElement *te, void *customdata)
{
struct CollectionDeleteData *data = customdata;
SceneCollection *scene_collection = outliner_scene_collection_from_tree_element(te);
if (!scene_collection) {
return TRAVERSE_SKIP_CHILDS;
}
const bool will_be_deleted = BLI_gset_haskey(data->collections_to_delete, scene_collection);
if (will_be_deleted) {
outliner_free_tree_element(te, te->parent ? &te->parent->subtree : &data->soops->tree);
/* Childs are freed now, so don't recurse into them. */
return TRAVERSE_SKIP_CHILDS;
}
return TRAVERSE_CONTINUE;
}
static int collection_delete_exec(bContext *C, wmOperator *UNUSED(op))
{
Scene *scene = CTX_data_scene(C);
SpaceOops *soops = CTX_wm_space_outliner(C);
struct CollectionDeleteData data = {.scene = scene, .soops = soops};
data.collections_to_delete = BLI_gset_ptr_new(__func__);
/* We first walk over and find the SceneCollections we actually want to delete (ignoring duplicates). */
outliner_tree_traverse(soops, &soops->tree, 0, TSE_SELECTED, collection_find_data_to_delete, &data);
/* Now, delete all tree elements representing a collection that will be deleted. We'll look for a
* new element to select in a few lines, so we can't wait until the tree is recreated on redraw. */
outliner_tree_traverse(soops, &soops->tree, 0, 0, collection_delete_elements_from_collection, &data);
/* Effectively delete the collections. */
GSetIterator collections_to_delete_iter;
GSET_ITER(collections_to_delete_iter, data.collections_to_delete) {
SceneCollection *sc = BLI_gsetIterator_getKey(&collections_to_delete_iter);
BKE_collection_remove(&data.scene->id, sc);
}
BLI_gset_free(data.collections_to_delete, NULL);
TreeElement *select_te = outliner_tree_element_from_layer_collection_index(soops, CTX_data_view_layer(C), 0);
if (select_te) {
outliner_item_select(soops, select_te, false, false);
}
DEG_relations_tag_update(CTX_data_main(C));
/* TODO(sergey): Use proper flag for tagging here. */
DEG_id_tag_update(&scene->id, 0);
soops->storeflag |= SO_TREESTORE_REDRAW;
WM_main_add_notifier(NC_SCENE | ND_LAYER, NULL);
return OPERATOR_FINISHED;
}
void OUTLINER_OT_collections_delete(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Delete";
ot->idname = "OUTLINER_OT_collections_delete";
ot->description = "Delete selected overrides or collections";
/* api callbacks */
ot->exec = collection_delete_exec;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
static int collection_select_exec(bContext *C, wmOperator *op)
{
ViewLayer *view_layer = CTX_data_view_layer(C);
const int collection_index = RNA_int_get(op->ptr, "collection_index");
view_layer->active_collection = collection_index;
WM_main_add_notifier(NC_SCENE | ND_LAYER, NULL);
return OPERATOR_FINISHED;
}
void OUTLINER_OT_collection_select(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select";
ot->idname = "OUTLINER_OT_collection_select";
ot->description = "Change active collection or override";
/* api callbacks */
ot->exec = collection_select_exec;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_int(ot->srna, "collection_index", 0, 0, INT_MAX, "Index",
"Index of collection to select", 0, INT_MAX);
}
#define ACTION_DISABLE 0
#define ACTION_ENABLE 1
#define ACTION_TOGGLE 2
static int collection_toggle_exec(bContext *C, wmOperator *op)
{
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
int action = RNA_enum_get(op->ptr, "action");
LayerCollection *layer_collection = CTX_data_layer_collection(C);
if (layer_collection->flag & COLLECTION_DISABLED) {
if (ELEM(action, ACTION_TOGGLE, ACTION_ENABLE)) {
layer_collection->flag &= ~COLLECTION_DISABLED;
}
else { /* ACTION_DISABLE */
BKE_reportf(op->reports, RPT_ERROR, "Layer collection %s already disabled",
layer_collection->scene_collection->name);
return OPERATOR_CANCELLED;
}
}
else {
if (ELEM(action, ACTION_TOGGLE, ACTION_DISABLE)) {
layer_collection->flag |= COLLECTION_DISABLED;
}
else { /* ACTION_ENABLE */
BKE_reportf(op->reports, RPT_ERROR, "Layer collection %s already enabled",
layer_collection->scene_collection->name);
return OPERATOR_CANCELLED;
}
}
DEG_relations_tag_update(bmain);
/* TODO(sergey): Use proper flag for tagging here. */
DEG_id_tag_update(&scene->id, 0);
WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, scene);
WM_event_add_notifier(C, NC_SCENE | ND_LAYER_CONTENT, scene);
return OPERATOR_FINISHED;
}
void OUTLINER_OT_collection_toggle(wmOperatorType *ot)
{
PropertyRNA *prop;
static EnumPropertyItem actions_items[] = {
{ACTION_DISABLE, "DISABLE", 0, "Disable", "Disable selected markers"},
{ACTION_ENABLE, "ENABLE", 0, "Enable", "Enable selected markers"},
{ACTION_TOGGLE, "TOGGLE", 0, "Toggle", "Toggle disabled flag for selected markers"},
{0, NULL, 0, NULL, NULL}
};
/* identifiers */
ot->name = "Toggle Collection";
ot->idname = "OUTLINER_OT_collection_toggle";
ot->description = "Deselect collection objects";
/* api callbacks */
ot->exec = collection_toggle_exec;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
prop = RNA_def_int(ot->srna, "collection_index", -1, -1, INT_MAX, "Collection Index", "Index of collection to toggle", 0, INT_MAX);
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
prop = RNA_def_enum(ot->srna, "action", actions_items, ACTION_TOGGLE, "Action", "Selection action to execute");
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
}
#undef ACTION_TOGGLE
#undef ACTION_ENABLE
#undef ACTION_DISABLE
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