/*
 * ***** 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.
 *
 * The Original Code is Copyright (C) 2004 Blender Foundation.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): Joshua Leung
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/editors/space_outliner/outliner_tree.c
 *  \ingroup spoutliner
 */
 
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include <stddef.h>

#include "MEM_guardedalloc.h"

#include "DNA_anim_types.h"
#include "DNA_armature_types.h"
#include "DNA_constraint_types.h"
#include "DNA_camera_types.h"
#include "DNA_group_types.h"
#include "DNA_key_types.h"
#include "DNA_lamp_types.h"
#include "DNA_material_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meta_types.h"
#include "DNA_particle_types.h"
#include "DNA_scene_types.h"
#include "DNA_world_types.h"
#include "DNA_sequence_types.h"
#include "DNA_speaker_types.h"
#include "DNA_object_types.h"

#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "BLI_math_base.h"

#if defined WIN32 && !defined _LIBC
# include "BLI_fnmatch.h" /* use fnmatch included in blenlib */
#else
#  ifndef _GNU_SOURCE
#    define _GNU_SOURCE
#  endif
# include <fnmatch.h>
#endif


#include "BKE_animsys.h"
#include "BKE_context.h"
#include "BKE_deform.h"
#include "BKE_depsgraph.h"
#include "BKE_fcurve.h"
#include "BKE_global.h"
#include "BKE_group.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_modifier.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_sequencer.h"

#include "ED_armature.h"
#include "ED_object.h"
#include "ED_screen.h"
#include "ED_util.h"

#include "WM_api.h"
#include "WM_types.h"

#include "BIF_gl.h"
#include "BIF_glutil.h"

#include "UI_interface.h"
#include "UI_interface_icons.h"
#include "UI_resources.h"
#include "UI_view2d.h"

#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "outliner_intern.h"

/* ********************************************************* */
/* Defines */

#define TS_CHUNK	128

/* ********************************************************* */
/* Persistant Data */

static void outliner_storage_cleanup(SpaceOops *soops)
{
	TreeStore *ts= soops->treestore;
	
	if(ts) {
		TreeStoreElem *tselem;
		int a, unused= 0;
		
		/* each element used once, for ID blocks with more users to have each a treestore */
		for(a=0, tselem= ts->data; a<ts->usedelem; a++, tselem++) tselem->used= 0;
		
		/* cleanup only after reading file or undo step, and always for
		 * RNA datablocks view in order to save memory */
		if(soops->storeflag & SO_TREESTORE_CLEANUP) {
			
			for(a=0, tselem= ts->data; a<ts->usedelem; a++, tselem++) {
				if(tselem->id==NULL) unused++;
			}
			
			if(unused) {
				if(ts->usedelem == unused) {
					MEM_freeN(ts->data);
					ts->data= NULL;
					ts->usedelem= ts->totelem= 0;
				}
				else {
					TreeStoreElem *tsnewar, *tsnew;
					
					tsnew=tsnewar= MEM_mallocN((ts->usedelem-unused)*sizeof(TreeStoreElem), "new tselem");
					for(a=0, tselem= ts->data; a<ts->usedelem; a++, tselem++) {
						if(tselem->id) {
							*tsnew= *tselem;
							tsnew++;
						}
					}
					MEM_freeN(ts->data);
					ts->data= tsnewar;
					ts->usedelem-= unused;
					ts->totelem= ts->usedelem;
				}
			}
		}
	}
}

static void check_persistant(SpaceOops *soops, TreeElement *te, ID *id, short type, short nr)
{
	TreeStore *ts;
	TreeStoreElem *tselem;
	int a;
	
	/* case 1; no TreeStore */
	if(soops->treestore==NULL) {
		soops->treestore= MEM_callocN(sizeof(TreeStore), "treestore");
	}
	ts= soops->treestore;
	
	/* check if 'te' is in treestore */
	tselem= ts->data;
	for(a=0; a<ts->usedelem; a++, tselem++) {
		if(tselem->id==id && tselem->used==0) {
			if((type==0 && tselem->type==0) ||(tselem->type==type && tselem->nr==nr)) {
				te->store_index= a;
				tselem->used= 1;
				return;
			}
		}
	}
	
	/* add 1 element to treestore */
	if(ts->usedelem==ts->totelem) {
		TreeStoreElem *tsnew;
		
		tsnew= MEM_mallocN((ts->totelem+TS_CHUNK)*sizeof(TreeStoreElem), "treestore data");
		if(ts->data) {
			memcpy(tsnew, ts->data, ts->totelem*sizeof(TreeStoreElem));
			MEM_freeN(ts->data);
		}
		ts->data= tsnew;
		ts->totelem+= TS_CHUNK;
	}
	
	tselem= ts->data+ts->usedelem;
	
	tselem->type= type;
	if(type) tselem->nr= nr; // we're picky! :)
	else tselem->nr= 0;
	tselem->id= id;
	tselem->used = 0;
	tselem->flag= TSE_CLOSED;
	te->store_index= ts->usedelem;
	
	ts->usedelem++;
}

/* ********************************************************* */
/* Tree Management */

void outliner_free_tree(ListBase *lb)
{
	while(lb->first) {
		TreeElement *te= lb->first;
		
		outliner_free_tree(&te->subtree);
		BLI_remlink(lb, te);
		
		if(te->flag & TE_FREE_NAME) MEM_freeN((void *)te->name);
		MEM_freeN(te);
	}
}

void outliner_cleanup_tree(SpaceOops *soops)
{
	outliner_free_tree(&soops->tree);
	outliner_storage_cleanup(soops);
}

/* Find ith item from the treestore */
static TreeElement *outliner_find_tree_element(ListBase *lb, int store_index)
{
	TreeElement *te= lb->first, *tes;
	while(te) {
		if(te->store_index==store_index) return te;
		tes= outliner_find_tree_element(&te->subtree, store_index);
		if(tes) return tes;
		te= te->next;
	}
	return NULL;
}

/* tse is not in the treestore, we use its contents to find a match */
TreeElement *outliner_find_tse(SpaceOops *soops, TreeStoreElem *tse)
{
	TreeStore *ts= soops->treestore;
	TreeStoreElem *tselem;
	int a;
	
	if(tse->id==NULL) return NULL;
	
	/* check if 'tse' is in treestore */
	tselem= ts->data;
	for(a=0; a<ts->usedelem; a++, tselem++) {
		if((tse->type==0 && tselem->type==0) || (tselem->type==tse->type && tselem->nr==tse->nr)) {
			if(tselem->id==tse->id) {
				break;
			}
		}
	}
	if(tselem) 
		return outliner_find_tree_element(&soops->tree, a);
	
	return NULL;
}

/* Find treestore that refers to given ID */
TreeElement *outliner_find_id(SpaceOops *soops, ListBase *lb, ID *id)
{
	TreeElement *te, *tes;
	TreeStoreElem *tselem;
	
	for(te= lb->first; te; te= te->next) {
		tselem= TREESTORE(te);
		if(tselem->type==0) {
			if(tselem->id==id) return te;
			/* only deeper on scene or object */
			if( te->idcode==ID_OB || te->idcode==ID_SCE || (soops->outlinevis == SO_GROUPS && te->idcode==ID_GR)) {
				tes= outliner_find_id(soops, &te->subtree, id);
				if(tes) return tes;
			}
		}
	}
	return NULL;
}


ID *outliner_search_back(SpaceOops *soops, TreeElement *te, short idcode)
{
	TreeStoreElem *tselem;
	te= te->parent;
	
	while(te) {
		tselem= TREESTORE(te);
		if(tselem->type==0 && te->idcode==idcode) return tselem->id;
		te= te->parent;
	}
	return NULL;
}


/* ********************************************************* */

/* Prototype, see functions below */
static TreeElement *outliner_add_element(SpaceOops *soops, ListBase *lb, void *idv, 
										 TreeElement *parent, short type, short index);

/* -------------------------------------------------------- */

/* special handling of hierarchical non-lib data */
static void outliner_add_bone(SpaceOops *soops, ListBase *lb, ID *id, Bone *curBone, 
							  TreeElement *parent, int *a)
{
	TreeElement *te= outliner_add_element(soops, lb, id, parent, TSE_BONE, *a);
	
	(*a)++;
	te->name= curBone->name;
	te->directdata= curBone;
	
	for(curBone= curBone->childbase.first; curBone; curBone=curBone->next) {
		outliner_add_bone(soops, &te->subtree, id, curBone, te, a);
	}
}

/* -------------------------------------------------------- */

#define LOG2I(x) (int)(log(x)/M_LN2)

static void outliner_add_passes(SpaceOops *soops, TreeElement *tenla, ID *id, SceneRenderLayer *srl)
{
	TreeStoreElem *tselem = NULL;
	TreeElement *te = NULL;

	/* log stuff is to convert bitflags (powers of 2) to small integers,
	 * in order to not overflow short tselem->nr */
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_COMBINED));
	te->name= "Combined";
	te->directdata= &srl->passflag;
	
	/* save cpu cycles, but we add the first to invoke an open/close triangle */
	tselem = TREESTORE(tenla);
	if(tselem->flag & TSE_CLOSED)
		return;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_Z));
	te->name= "Z";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_VECTOR));
	te->name= "Vector";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_NORMAL));
	te->name= "Normal";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_UV));
	te->name= "UV";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_MIST));
	te->name= "Mist";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_INDEXOB));
	te->name= "Index Object";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_INDEXMA));
	te->name= "Index Material";
	te->directdata= &srl->passflag;

	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_RGBA));
	te->name= "Color";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_DIFFUSE));
	te->name= "Diffuse";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_SPEC));
	te->name= "Specular";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_SHADOW));
	te->name= "Shadow";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_AO));
	te->name= "AO";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_REFLECT));
	te->name= "Reflection";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_REFRACT));
	te->name= "Refraction";
	te->directdata= &srl->passflag;
	
	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_INDIRECT));
	te->name= "Indirect";
	te->directdata= &srl->passflag;

	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_ENVIRONMENT));
	te->name= "Environment";
	te->directdata= &srl->passflag;

	te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_EMIT));
	te->name= "Emit";
	te->directdata= &srl->passflag;
}

#undef LOG2I

static void outliner_add_scene_contents(SpaceOops *soops, ListBase *lb, Scene *sce, TreeElement *te)
{
	SceneRenderLayer *srl;
	TreeElement *tenla= outliner_add_element(soops, lb, sce, te, TSE_R_LAYER_BASE, 0);
	int a;
	
	tenla->name= "RenderLayers";
	for(a=0, srl= sce->r.layers.first; srl; srl= srl->next, a++) {
		TreeElement *tenlay= outliner_add_element(soops, &tenla->subtree, sce, te, TSE_R_LAYER, a);
		tenlay->name= srl->name;
		tenlay->directdata= &srl->passflag;
		
		if(srl->light_override)
			outliner_add_element(soops, &tenlay->subtree, srl->light_override, tenlay, TSE_LINKED_LAMP, 0);
		if(srl->mat_override)
			outliner_add_element(soops, &tenlay->subtree, srl->mat_override, tenlay, TSE_LINKED_MAT, 0);
		
		outliner_add_passes(soops, tenlay, &sce->id, srl);
	}
	
	// TODO: move this to the front?
	if (sce->adt)
		outliner_add_element(soops, lb, sce, te, TSE_ANIM_DATA, 0);
	
	outliner_add_element(soops,  lb, sce->world, te, 0, 0);
}

// can be inlined if necessary
static void outliner_add_object_contents(SpaceOops *soops, TreeElement *te, TreeStoreElem *tselem, Object *ob)
{
	int a = 0;
	
	if (ob->adt)
		outliner_add_element(soops, &te->subtree, ob, te, TSE_ANIM_DATA, 0);
	
	outliner_add_element(soops, &te->subtree, ob->poselib, te, 0, 0); // XXX FIXME.. add a special type for this
	
	if (ob->proxy && ob->id.lib==NULL)
		outliner_add_element(soops, &te->subtree, ob->proxy, te, TSE_PROXY, 0);
	
	outliner_add_element(soops, &te->subtree, ob->data, te, 0, 0);
	
	if (ob->pose) {
		bArmature *arm= ob->data;
		bPoseChannel *pchan;
		TreeElement *ten;
		TreeElement *tenla= outliner_add_element(soops, &te->subtree, ob, te, TSE_POSE_BASE, 0);
		
		tenla->name= "Pose";
		
		/* channels undefined in editmode, but we want the 'tenla' pose icon itself */
		if ((arm->edbo == NULL) && (ob->mode & OB_MODE_POSE)) {
			int a= 0, const_index= 1000;	/* ensure unique id for bone constraints */
			
			for(pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next, a++) {
				ten= outliner_add_element(soops, &tenla->subtree, ob, tenla, TSE_POSE_CHANNEL, a);
				ten->name= pchan->name;
				ten->directdata= pchan;
				pchan->prev= (bPoseChannel *)ten;
				
				if(pchan->constraints.first) {
					//Object *target;
					bConstraint *con;
					TreeElement *ten1;
					TreeElement *tenla1= outliner_add_element(soops, &ten->subtree, ob, ten, TSE_CONSTRAINT_BASE, 0);
					//char *str;
					
					tenla1->name= "Constraints";
					for(con= pchan->constraints.first; con; con= con->next, const_index++) {
						ten1= outliner_add_element(soops, &tenla1->subtree, ob, tenla1, TSE_CONSTRAINT, const_index);
#if 0 /* disabled as it needs to be reworked for recoded constraints system */
						target= get_constraint_target(con, &str);
						if(str && str[0]) ten1->name= str;
						else if(target) ten1->name= target->id.name+2;
						else ten1->name= con->name;
#endif
						ten1->name= con->name;
						ten1->directdata= con;
						/* possible add all other types links? */
					}
				}
			}
			/* make hierarchy */
			ten= tenla->subtree.first;
			while(ten) {
				TreeElement *nten= ten->next, *par;
				tselem= TREESTORE(ten);
				if(tselem->type==TSE_POSE_CHANNEL) {
					pchan= (bPoseChannel *)ten->directdata;
					if(pchan->parent) {
						BLI_remlink(&tenla->subtree, ten);
						par= (TreeElement *)pchan->parent->prev;
						BLI_addtail(&par->subtree, ten);
						ten->parent= par;
					}
				}
				ten= nten;
			}
			/* restore prev pointers */
			pchan= ob->pose->chanbase.first;
			if(pchan) pchan->prev= NULL;
			for(; pchan; pchan= pchan->next) {
				if(pchan->next) pchan->next->prev= pchan;
			}
		}
		
		/* Pose Groups */
		if(ob->pose->agroups.first) {
			bActionGroup *agrp;
			TreeElement *ten;
			TreeElement *tenla= outliner_add_element(soops, &te->subtree, ob, te, TSE_POSEGRP_BASE, 0);
			int a= 0;
			
			tenla->name= "Bone Groups";
			for (agrp=ob->pose->agroups.first; agrp; agrp=agrp->next, a++) {
				ten= outliner_add_element(soops, &tenla->subtree, ob, tenla, TSE_POSEGRP, a);
				ten->name= agrp->name;
				ten->directdata= agrp;
			}
		}
	}
	
	for(a=0; a<ob->totcol; a++) 
		outliner_add_element(soops, &te->subtree, ob->mat[a], te, 0, a);
	
	if(ob->constraints.first) {
		//Object *target;
		bConstraint *con;
		TreeElement *ten;
		TreeElement *tenla= outliner_add_element(soops, &te->subtree, ob, te, TSE_CONSTRAINT_BASE, 0);
		//char *str;
		
		tenla->name= "Constraints";
		for (con=ob->constraints.first, a=0; con; con= con->next, a++) {
			ten= outliner_add_element(soops, &tenla->subtree, ob, tenla, TSE_CONSTRAINT, a);
#if 0 /* disabled due to constraints system targets recode... code here needs review */
			target= get_constraint_target(con, &str);
			if(str && str[0]) ten->name= str;
			else if(target) ten->name= target->id.name+2;
			else ten->name= con->name;
#endif
			ten->name= con->name;
			ten->directdata= con;
			/* possible add all other types links? */
		}
	}
	
	if (ob->modifiers.first) {
		ModifierData *md;
		TreeElement *temod = outliner_add_element(soops, &te->subtree, ob, te, TSE_MODIFIER_BASE, 0);
		int index;
		
		temod->name = "Modifiers";
		for (index=0,md=ob->modifiers.first; md; index++,md=md->next) {
			TreeElement *te = outliner_add_element(soops, &temod->subtree, ob, temod, TSE_MODIFIER, index);
			te->name= md->name;
			te->directdata = md;
			
			if (md->type==eModifierType_Lattice) {
				outliner_add_element(soops, &te->subtree, ((LatticeModifierData*) md)->object, te, TSE_LINKED_OB, 0);
			} 
			else if (md->type==eModifierType_Curve) {
				outliner_add_element(soops, &te->subtree, ((CurveModifierData*) md)->object, te, TSE_LINKED_OB, 0);
			} 
			else if (md->type==eModifierType_Armature) {
				outliner_add_element(soops, &te->subtree, ((ArmatureModifierData*) md)->object, te, TSE_LINKED_OB, 0);
			} 
			else if (md->type==eModifierType_Hook) {
				outliner_add_element(soops, &te->subtree, ((HookModifierData*) md)->object, te, TSE_LINKED_OB, 0);
			} 
			else if (md->type==eModifierType_ParticleSystem) {
				TreeElement *ten;
				ParticleSystem *psys= ((ParticleSystemModifierData*) md)->psys;
				
				ten = outliner_add_element(soops, &te->subtree, ob, te, TSE_LINKED_PSYS, 0);
				ten->directdata = psys;
				ten->name = psys->part->id.name+2;
			}
		}
	}
	
	/* vertex groups */
	if (ob->defbase.first) {
		bDeformGroup *defgroup;
		TreeElement *ten;
		TreeElement *tenla= outliner_add_element(soops, &te->subtree, ob, te, TSE_DEFGROUP_BASE, 0);
		
		tenla->name= "Vertex Groups";
		for (defgroup=ob->defbase.first, a=0; defgroup; defgroup=defgroup->next, a++) {
			ten= outliner_add_element(soops, &tenla->subtree, ob, tenla, TSE_DEFGROUP, a);
			ten->name= defgroup->name;
			ten->directdata= defgroup;
		}
	}
	
	/* duplicated group */
	if (ob->dup_group)
		outliner_add_element(soops, &te->subtree, ob->dup_group, te, 0, 0);	
}

// can be inlined if necessary
static void outliner_add_id_contents(SpaceOops *soops, TreeElement *te, TreeStoreElem *tselem, ID *id)
{
	/* tuck pointer back in object, to construct hierarchy */
	if (GS(id->name)==ID_OB) id->newid= (ID *)te;
	
	/* expand specific data always */
	switch (GS(id->name)) {
		case ID_LI:
		{
			te->name= ((Library *)id)->name;
		}
			break;
		case ID_SCE:
		{
			outliner_add_scene_contents(soops, &te->subtree, (Scene *)id, te);
		}
			break;
		case ID_OB:
		{
			outliner_add_object_contents(soops, te, tselem, (Object *)id);
		}
			break;
		case ID_ME:
		{
			Mesh *me= (Mesh *)id;
			int a;
			
			if (me->adt)
				outliner_add_element(soops, &te->subtree, me, te, TSE_ANIM_DATA, 0);
			
			outliner_add_element(soops, &te->subtree, me->key, te, 0, 0);
			for(a=0; a<me->totcol; a++) 
				outliner_add_element(soops, &te->subtree, me->mat[a], te, 0, a);
			/* could do tfaces with image links, but the images are not grouped nicely.
			   would require going over all tfaces, sort images in use. etc... */
		}
			break;
		case ID_CU:
		{
			Curve *cu= (Curve *)id;
			int a;
			
			if (cu->adt)
				outliner_add_element(soops, &te->subtree, cu, te, TSE_ANIM_DATA, 0);
			
			for(a=0; a<cu->totcol; a++) 
				outliner_add_element(soops, &te->subtree, cu->mat[a], te, 0, a);
		}
			break;
		case ID_MB:
		{
			MetaBall *mb= (MetaBall *)id;
			int a;
			
			if (mb->adt)
				outliner_add_element(soops, &te->subtree, mb, te, TSE_ANIM_DATA, 0);
			
			for(a=0; a<mb->totcol; a++) 
				outliner_add_element(soops, &te->subtree, mb->mat[a], te, 0, a);
		}
			break;
		case ID_MA:
		{
			Material *ma= (Material *)id;
			int a;
			
			if (ma->adt)
				outliner_add_element(soops, &te->subtree, ma, te, TSE_ANIM_DATA, 0);
			
			for(a=0; a<MAX_MTEX; a++) {
				if(ma->mtex[a]) outliner_add_element(soops, &te->subtree, ma->mtex[a]->tex, te, 0, a);
			}
		}
			break;
		case ID_TE:
		{
			Tex *tex= (Tex *)id;
			
			if (tex->adt)
				outliner_add_element(soops, &te->subtree, tex, te, TSE_ANIM_DATA, 0);
			
			outliner_add_element(soops, &te->subtree, tex->ima, te, 0, 0);
		}
			break;
		case ID_CA:
		{
			Camera *ca= (Camera *)id;
			
			if (ca->adt)
				outliner_add_element(soops, &te->subtree, ca, te, TSE_ANIM_DATA, 0);
		}
			break;
		case ID_LA:
		{
			Lamp *la= (Lamp *)id;
			int a;
			
			if (la->adt)
				outliner_add_element(soops, &te->subtree, la, te, TSE_ANIM_DATA, 0);
			
			for(a=0; a<MAX_MTEX; a++) {
				if(la->mtex[a]) outliner_add_element(soops, &te->subtree, la->mtex[a]->tex, te, 0, a);
			}
		}
			break;
		case ID_SPK:
			{
				Speaker *spk= (Speaker *)id;

				if(spk->adt)
					outliner_add_element(soops, &te->subtree, spk, te, TSE_ANIM_DATA, 0);
			}
			break;
		case ID_WO:
		{
			World *wrld= (World *)id;
			int a;
			
			if (wrld->adt)
				outliner_add_element(soops, &te->subtree, wrld, te, TSE_ANIM_DATA, 0);
			
			for(a=0; a<MAX_MTEX; a++) {
				if(wrld->mtex[a]) outliner_add_element(soops, &te->subtree, wrld->mtex[a]->tex, te, 0, a);
			}
		}
			break;
		case ID_KE:
		{
			Key *key= (Key *)id;
			
			if (key->adt)
				outliner_add_element(soops, &te->subtree, key, te, TSE_ANIM_DATA, 0);
		}
			break;
		case ID_AC:
		{
			// XXX do we want to be exposing the F-Curves here?
			//bAction *act= (bAction *)id;
		}
			break;
		case ID_AR:
		{
			bArmature *arm= (bArmature *)id;
			int a= 0;
			
			if (arm->adt)
				outliner_add_element(soops, &te->subtree, arm, te, TSE_ANIM_DATA, 0);
			
			if(arm->edbo) {
				EditBone *ebone;
				TreeElement *ten;
				
				for (ebone = arm->edbo->first; ebone; ebone=ebone->next, a++) {
					ten= outliner_add_element(soops, &te->subtree, id, te, TSE_EBONE, a);
					ten->directdata= ebone;
					ten->name= ebone->name;
					ebone->temp= ten;
				}
				/* make hierarchy */
				ten= te->subtree.first;
				while(ten) {
					TreeElement *nten= ten->next, *par;
					ebone= (EditBone *)ten->directdata;
					if(ebone->parent) {
						BLI_remlink(&te->subtree, ten);
						par= ebone->parent->temp;
						BLI_addtail(&par->subtree, ten);
						ten->parent= par;
					}
					ten= nten;
				}
			}
			else {
				/* do not extend Armature when we have posemode */
				tselem= TREESTORE(te->parent);
				if( GS(tselem->id->name)==ID_OB && ((Object *)tselem->id)->mode & OB_MODE_POSE);
				else {
					Bone *curBone;
					for (curBone=arm->bonebase.first; curBone; curBone=curBone->next){
						outliner_add_bone(soops, &te->subtree, id, curBone, te, &a);
					}
				}
			}
		}
			break;
	}
}

// TODO: this function needs to be split up! It's getting a bit too large...
static TreeElement *outliner_add_element(SpaceOops *soops, ListBase *lb, void *idv, 
										 TreeElement *parent, short type, short index)
{
	TreeElement *te;
	TreeStoreElem *tselem;
	ID *id= idv;
	int a = 0;
	
	if(ELEM3(type, TSE_RNA_STRUCT, TSE_RNA_PROPERTY, TSE_RNA_ARRAY_ELEM)) {
		id= ((PointerRNA*)idv)->id.data;
		if(!id) id= ((PointerRNA*)idv)->data;
	}

	if(id==NULL) return NULL;

	te= MEM_callocN(sizeof(TreeElement), "tree elem");
	/* add to the visual tree */
	BLI_addtail(lb, te);
	/* add to the storage */
	check_persistant(soops, te, id, type, index);
	tselem= TREESTORE(te);	
	
	/* if we are searching for something expand to see child elements */
	if(SEARCHING_OUTLINER(soops))
		tselem->flag |= TSE_CHILDSEARCH;
	
	te->parent= parent;
	te->index= index;	// for data arays
	if(ELEM3(type, TSE_SEQUENCE, TSE_SEQ_STRIP, TSE_SEQUENCE_DUP));
	else if(ELEM3(type, TSE_RNA_STRUCT, TSE_RNA_PROPERTY, TSE_RNA_ARRAY_ELEM));
	else if(type==TSE_ANIM_DATA);
	else {
		te->name= id->name+2; // default, can be overridden by Library or non-ID data
		te->idcode= GS(id->name);
	}
	
	if(type==0) {
		/* ID datablock */
		outliner_add_id_contents(soops, te, tselem, id);
	}
	else if(type==TSE_ANIM_DATA) {
		IdAdtTemplate *iat = (IdAdtTemplate *)idv;
		AnimData *adt= (AnimData *)iat->adt;
		
		/* this element's info */
		te->name= "Animation";
		te->directdata= adt;
		
		/* Action */
		outliner_add_element(soops, &te->subtree, adt->action, te, 0, 0);
		
		/* Drivers */
		if (adt->drivers.first) {
			TreeElement *ted= outliner_add_element(soops, &te->subtree, adt, te, TSE_DRIVER_BASE, 0);
			ID *lastadded= NULL;
			FCurve *fcu;
			
			ted->name= "Drivers";
		
			for (fcu= adt->drivers.first; fcu; fcu= fcu->next) {
				if (fcu->driver && fcu->driver->variables.first)  {
					ChannelDriver *driver= fcu->driver;
					DriverVar *dvar;
					
					for (dvar= driver->variables.first; dvar; dvar= dvar->next) {
						/* loop over all targets used here */
						DRIVER_TARGETS_USED_LOOPER(dvar) 
						{
							if (lastadded != dtar->id) {
								// XXX this lastadded check is rather lame, and also fails quite badly...
								outliner_add_element(soops, &ted->subtree, dtar->id, ted, TSE_LINKED_OB, 0);
								lastadded= dtar->id;
							}
						}
						DRIVER_TARGETS_LOOPER_END
					}
				}
			}
		}
		
		/* NLA Data */
		if (adt->nla_tracks.first) {
			TreeElement *tenla= outliner_add_element(soops, &te->subtree, adt, te, TSE_NLA, 0);
			NlaTrack *nlt;
			int a= 0;
			
			tenla->name= "NLA Tracks";
			
			for (nlt= adt->nla_tracks.first; nlt; nlt= nlt->next) {
				TreeElement *tenlt= outliner_add_element(soops, &tenla->subtree, nlt, tenla, TSE_NLA_TRACK, a);
				NlaStrip *strip;
				TreeElement *ten;
				int b= 0;
				
				tenlt->name= nlt->name;
				
				for (strip=nlt->strips.first; strip; strip=strip->next, b++) {
					ten= outliner_add_element(soops, &tenlt->subtree, strip->act, tenlt, TSE_NLA_ACTION, b);
					if(ten) ten->directdata= strip;
				}
			}
		}
	}
	else if(type==TSE_SEQUENCE) {
		Sequence *seq= (Sequence*) idv;
		Sequence *p;

		/*
		 * The idcode is a little hack, but the outliner
		 * only check te->idcode if te->type is equal to zero,
		 * so this is "safe".
		 */
		te->idcode= seq->type;
		te->directdata= seq;

		if(seq->type<7) {
			/*
			 * This work like the sequence.
			 * If the sequence have a name (not default name)
			 * show it, in other case put the filename.
			 */
			if(strcmp(seq->name, "SQ"))
				te->name= seq->name;
			else {
				if((seq->strip) && (seq->strip->stripdata))
					te->name= seq->strip->stripdata->name;
				else
					te->name= "SQ None";
			}

			if(seq->type==SEQ_META) {
				te->name= "Meta Strip";
				p= seq->seqbase.first;
				while(p) {
					outliner_add_element(soops, &te->subtree, (void*)p, te, TSE_SEQUENCE, index);
					p= p->next;
				}
			}
			else
				outliner_add_element(soops, &te->subtree, (void*)seq->strip, te, TSE_SEQ_STRIP, index);
		}
		else
			te->name= "Effect";
	}
	else if(type==TSE_SEQ_STRIP) {
		Strip *strip= (Strip *)idv;

		if(strip->dir)
			te->name= strip->dir;
		else
			te->name= "Strip None";
		te->directdata= strip;
	}
	else if(type==TSE_SEQUENCE_DUP) {
		Sequence *seq= (Sequence*)idv;

		te->idcode= seq->type;
		te->directdata= seq;
		te->name= seq->strip->stripdata->name;
	}
	else if(ELEM3(type, TSE_RNA_STRUCT, TSE_RNA_PROPERTY, TSE_RNA_ARRAY_ELEM)) {
		PointerRNA pptr, propptr, *ptr= (PointerRNA*)idv;
		PropertyRNA *prop, *iterprop;
		PropertyType proptype;
		int a, tot;

		/* we do lazy build, for speed and to avoid infinite recusion */

		if(ptr->data == NULL) {
			te->name= "(empty)";
		}
		else if(type == TSE_RNA_STRUCT) {
			/* struct */
			te->name= RNA_struct_name_get_alloc(ptr, NULL, 0);

			if(te->name)
				te->flag |= TE_FREE_NAME;
			else
				te->name= (char*)RNA_struct_ui_name(ptr->type);

			/* If searching don't expand RNA entries */
			if(SEARCHING_OUTLINER(soops) && BLI_strcasecmp("RNA",te->name)==0) tselem->flag &= ~TSE_CHILDSEARCH;

			iterprop= RNA_struct_iterator_property(ptr->type);
			tot= RNA_property_collection_length(ptr, iterprop);

			/* auto open these cases */
			if(!parent || (RNA_property_type(parent->directdata)) == PROP_POINTER)
				if(!tselem->used)
					tselem->flag &= ~TSE_CLOSED;

			if(TSELEM_OPEN(tselem,soops)) {
				for(a=0; a<tot; a++)
					outliner_add_element(soops, &te->subtree, (void*)ptr, te, TSE_RNA_PROPERTY, a);
			}
			else if(tot)
				te->flag |= TE_LAZY_CLOSED;

			te->rnaptr= *ptr;
		}
		else if(type == TSE_RNA_PROPERTY) {
			/* property */
			iterprop= RNA_struct_iterator_property(ptr->type);
			RNA_property_collection_lookup_int(ptr, iterprop, index, &propptr);

			prop= propptr.data;
			proptype= RNA_property_type(prop);

			te->name= (char*)RNA_property_ui_name(prop);
			te->directdata= prop;
			te->rnaptr= *ptr;

			/* If searching don't expand RNA entries */
			if(SEARCHING_OUTLINER(soops) && BLI_strcasecmp("RNA",te->name)==0) tselem->flag &= ~TSE_CHILDSEARCH;

			if(proptype == PROP_POINTER) {
				pptr= RNA_property_pointer_get(ptr, prop);

				if(pptr.data) {
					if(TSELEM_OPEN(tselem,soops))
						outliner_add_element(soops, &te->subtree, (void*)&pptr, te, TSE_RNA_STRUCT, -1);
					else
						te->flag |= TE_LAZY_CLOSED;
				}
			}
			else if(proptype == PROP_COLLECTION) {
				tot= RNA_property_collection_length(ptr, prop);

				if(TSELEM_OPEN(tselem,soops)) {
					for(a=0; a<tot; a++) {
						RNA_property_collection_lookup_int(ptr, prop, a, &pptr);
						outliner_add_element(soops, &te->subtree, (void*)&pptr, te, TSE_RNA_STRUCT, a);
					}
				}
				else if(tot)
					te->flag |= TE_LAZY_CLOSED;
			}
			else if(ELEM3(proptype, PROP_BOOLEAN, PROP_INT, PROP_FLOAT)) {
				tot= RNA_property_array_length(ptr, prop);

				if(TSELEM_OPEN(tselem,soops)) {
					for(a=0; a<tot; a++)
						outliner_add_element(soops, &te->subtree, (void*)ptr, te, TSE_RNA_ARRAY_ELEM, a);
				}
				else if(tot)
					te->flag |= TE_LAZY_CLOSED;
			}
		}
		else if(type == TSE_RNA_ARRAY_ELEM) {
			char c;

			prop= parent->directdata;

			te->directdata= prop;
			te->rnaptr= *ptr;
			te->index= index;

			c= RNA_property_array_item_char(prop, index);

			te->name= MEM_callocN(sizeof(char)*20, "OutlinerRNAArrayName");
			if(c) sprintf((char *)te->name, "  %c", c);
			else sprintf((char *)te->name, "  %d", index+1);
			te->flag |= TE_FREE_NAME;
		}
	}
	else if(type == TSE_KEYMAP) {
		wmKeyMap *km= (wmKeyMap *)idv;
		wmKeyMapItem *kmi;
		char opname[OP_MAX_TYPENAME];
		
		te->directdata= idv;
		te->name= km->idname;
		
		if(TSELEM_OPEN(tselem,soops)) {
			a= 0;
			
			for (kmi= km->items.first; kmi; kmi= kmi->next, a++) {
				const char *key= WM_key_event_string(kmi->type);
				
				if(key[0]) {
					wmOperatorType *ot= NULL;
					
					if(kmi->propvalue);
					else ot= WM_operatortype_find(kmi->idname, 0);
					
					if(ot || kmi->propvalue) {
						TreeElement *ten= outliner_add_element(soops, &te->subtree, kmi, te, TSE_KEYMAP_ITEM, a);
						
						ten->directdata= kmi;
						
						if(kmi->propvalue) {
							ten->name= "Modal map, not yet";
						}
						else {
							WM_operator_py_idname(opname, ot->idname);
							ten->name= BLI_strdup(opname);
							ten->flag |= TE_FREE_NAME;
						}
					}
				}
			}
		}
		else 
			te->flag |= TE_LAZY_CLOSED;
	}

	return te;
}

/* ======================================================= */
/* Sequencer mode tree building */

/* Helped function to put duplicate sequence in the same tree. */
static int need_add_seq_dup(Sequence *seq)
{
	Sequence *p;

	if((!seq->strip) || (!seq->strip->stripdata) || (!seq->strip->stripdata->name))
		return(1);

	/*
	 * First check backward, if we found a duplicate
	 * sequence before this, don't need it, just return.
	 */
	p= seq->prev;
	while(p) {
		if((!p->strip) || (!p->strip->stripdata) || (!p->strip->stripdata->name)) {
			p= p->prev;
			continue;
		}

		if(!strcmp(p->strip->stripdata->name, seq->strip->stripdata->name))
			return(2);
		p= p->prev;
	}

	p= seq->next;
	while(p) {
		if((!p->strip) || (!p->strip->stripdata) || (!p->strip->stripdata->name)) {
			p= p->next;
			continue;
		}

		if(!strcmp(p->strip->stripdata->name, seq->strip->stripdata->name))
			return(0);
		p= p->next;
	}
	return(1);
}

static void outliner_add_seq_dup(SpaceOops *soops, Sequence *seq, TreeElement *te, short index)
{
	TreeElement *ch;
	Sequence *p;

	p= seq;
	while(p) {
		if((!p->strip) || (!p->strip->stripdata) || (!p->strip->stripdata->name)) {
			p= p->next;
			continue;
		}

		if(!strcmp(p->strip->stripdata->name, seq->strip->stripdata->name))
			ch= outliner_add_element(soops, &te->subtree, (void*)p, te, TSE_SEQUENCE, index);
		p= p->next;
	}
}

/* ======================================================= */
/* Generic Tree Building helpers - order these are called is top to bottom */

/* Hierarchy --------------------------------------------- */

/* make sure elements are correctly nested */
static void outliner_make_hierarchy(SpaceOops *soops, ListBase *lb)
{
	TreeElement *te, *ten, *tep;
	TreeStoreElem *tselem;

	/* build hierarchy */
	// XXX also, set extents here...
	te= lb->first;
	while(te) {
		ten= te->next;
		tselem= TREESTORE(te);
		
		if(tselem->type==0 && te->idcode==ID_OB) {
			Object *ob= (Object *)tselem->id;
			if(ob->parent && ob->parent->id.newid) {
				BLI_remlink(lb, te);
				tep= (TreeElement *)ob->parent->id.newid;
				BLI_addtail(&tep->subtree, te);
				// set correct parent pointers
				for(te=tep->subtree.first; te; te= te->next) te->parent= tep;
			}
		}
		te= ten;
	}
}

/* Sorting ------------------------------------------------------ */

typedef struct tTreeSort {
	TreeElement *te;
	ID *id;
	const char *name;
	short idcode;
} tTreeSort;

/* alphabetical comparator */
static int treesort_alpha(const void *v1, const void *v2)
{
	const tTreeSort *x1= v1, *x2= v2;
	int comp;
	
	/* first put objects last (hierarchy) */
	comp= (x1->idcode==ID_OB);
	if(x2->idcode==ID_OB) comp+=2;
	
	if(comp==1) return 1;
	else if(comp==2) return -1;
	else if(comp==3) {
		comp= strcmp(x1->name, x2->name);
		
		if( comp>0 ) return 1;
		else if( comp<0) return -1;
		return 0;
	}
	return 0;
}

/* this is nice option for later? doesnt look too useful... */
#if 0
static int treesort_obtype_alpha(const void *v1, const void *v2)
{
	const tTreeSort *x1= v1, *x2= v2;
	
	/* first put objects last (hierarchy) */
	if(x1->idcode==ID_OB && x2->idcode!=ID_OB) return 1;
	else if(x2->idcode==ID_OB && x1->idcode!=ID_OB) return -1;
	else {
		/* 2nd we check ob type */
		if(x1->idcode==ID_OB && x2->idcode==ID_OB) {
			if( ((Object *)x1->id)->type > ((Object *)x2->id)->type) return 1;
			else if( ((Object *)x1->id)->type > ((Object *)x2->id)->type) return -1;
			else return 0;
		}
		else {
			int comp= strcmp(x1->name, x2->name);
			
			if( comp>0 ) return 1;
			else if( comp<0) return -1;
			return 0;
		}
	}
}
#endif

/* sort happens on each subtree individual */
static void outliner_sort(SpaceOops *soops, ListBase *lb)
{
	TreeElement *te;
	TreeStoreElem *tselem;
	int totelem=0;
	
	te= lb->last;
	if(te==NULL) return;
	tselem= TREESTORE(te);
	
	/* sorting rules; only object lists or deformgroups */
	if( (tselem->type==TSE_DEFGROUP) || (tselem->type==0 && te->idcode==ID_OB)) {
		
		/* count first */
		for(te= lb->first; te; te= te->next) totelem++;
		
		if(totelem>1) {
			tTreeSort *tear= MEM_mallocN(totelem*sizeof(tTreeSort), "tree sort array");
			tTreeSort *tp=tear;
			int skip= 0;
			
			for(te= lb->first; te; te= te->next, tp++) {
				tselem= TREESTORE(te);
				tp->te= te;
				tp->name= te->name;
				tp->idcode= te->idcode;
				if(tselem->type && tselem->type!=TSE_DEFGROUP) tp->idcode= 0;	// dont sort this
				tp->id= tselem->id;
			}
			/* keep beginning of list */
			for(tp= tear, skip=0; skip<totelem; skip++, tp++)
				if(tp->idcode) break;
			
			if(skip<totelem)
				qsort(tear+skip, totelem-skip, sizeof(tTreeSort), treesort_alpha);
			
			lb->first=lb->last= NULL;
			tp= tear;
			while(totelem--) {
				BLI_addtail(lb, tp->te);
				tp++;
			}
			MEM_freeN(tear);
		}
	}
	
	for(te= lb->first; te; te= te->next) {
		outliner_sort(soops, &te->subtree);
	}
}

/* Filtering ----------------------------------------------- */

static int outliner_filter_has_name(TreeElement *te, const char *name, int flags)
{
#if 0
	int found= 0;
	
	/* determine if match */
	if (flags & SO_FIND_CASE_SENSITIVE) {
		if (flags & SO_FIND_COMPLETE)
			found= strcmp(te->name, name) == 0;
		else
			found= strstr(te->name, name) != NULL;
	}
	else {
		if (flags & SO_FIND_COMPLETE)
			found= BLI_strcasecmp(te->name, name) == 0;
		else
			found= BLI_strcasestr(te->name, name) != NULL;
	}
#else
	
	int fn_flag= 0;
	int found= 0;
	
	if ((flags & SO_FIND_CASE_SENSITIVE) == 0)
		fn_flag |= FNM_CASEFOLD;

	if (flags & SO_FIND_COMPLETE) {
		found= fnmatch(name, te->name, fn_flag)==0;
	}
	else {
		char fn_name[sizeof(((struct SpaceOops *)NULL)->search_string) + 2];
		sprintf(fn_name, "*%s*", name);
		found= fnmatch(fn_name, te->name, fn_flag)==0;
	}
	return found;
#endif
}

static int outliner_filter_tree(SpaceOops *soops, ListBase *lb)
{
	TreeElement *te, *ten;
	TreeStoreElem *tselem;
	
	/* although we don't have any search string, we return TRUE 
	 * since the entire tree is ok then...
	 */
	if (soops->search_string[0]==0) 
		return 1;

	for (te= lb->first; te; te= ten) {
		ten= te->next;
		
		if (0==outliner_filter_has_name(te, soops->search_string, soops->search_flags)) {
			/* item isn't something we're looking for, but...
			 * 	- if the subtree is expanded, check if there are any matches that can be easily found
			 *		so that searching for "cu" in the default scene will still match the Cube
			 *	- otherwise, we can't see within the subtree and the item doesn't match,
			 *		so these can be safely ignored (i.e. the subtree can get freed)
			 */
			tselem= TREESTORE(te);
			
			/* flag as not a found item */
			tselem->flag &= ~TSE_SEARCHMATCH;
			
			if ((!TSELEM_OPEN(tselem,soops)) || outliner_filter_tree(soops, &te->subtree)==0) { 
				outliner_free_tree(&te->subtree);
				BLI_remlink(lb, te);
				
				if(te->flag & TE_FREE_NAME) MEM_freeN((void *)te->name);
				MEM_freeN(te);
			}
		}
		else {
			tselem= TREESTORE(te);
			
			/* flag as a found item - we can then highlight it */
			tselem->flag |= TSE_SEARCHMATCH;
			
			/* filter subtree too */
			outliner_filter_tree(soops, &te->subtree);
		}
	}
	
	/* if there are still items in the list, that means that there were still some matches */
	return (lb->first != NULL);
}

/* ======================================================= */
/* Main Tree Building API */

/* Main entry point for building the tree data-structure that the outliner represents */
// TODO: split each mode into its own function?
void outliner_build_tree(Main *mainvar, Scene *scene, SpaceOops *soops)
{
	Base *base;
	Object *ob;
	TreeElement *te=NULL, *ten;
	TreeStoreElem *tselem;
	int show_opened= (soops->treestore==NULL); /* on first view, we open scenes */

	/* Are we looking for something - we want to tag parents to filter child matches
	 - NOT in datablocks view - searching all datablocks takes way too long to be useful
	 - this variable is only set once per tree build */
	if(soops->search_string[0]!=0 && soops->outlinevis!=SO_DATABLOCKS)
		soops->search_flags |= SO_SEARCH_RECURSIVE;
	else
		soops->search_flags &= ~SO_SEARCH_RECURSIVE;

	if(soops->tree.first && (soops->storeflag & SO_TREESTORE_REDRAW))
		return;

	outliner_free_tree(&soops->tree);
	outliner_storage_cleanup(soops);
	
	/* clear ob id.new flags */
	for(ob= mainvar->object.first; ob; ob= ob->id.next) ob->id.newid= NULL;
	
	/* options */
	if(soops->outlinevis == SO_LIBRARIES) {
		Library *lib;
		
		for(lib= mainvar->library.first; lib; lib= lib->id.next) {
			ten= outliner_add_element(soops, &soops->tree, lib, NULL, 0, 0);
			lib->id.newid= (ID *)ten;
		}
		/* make hierarchy */
		ten= soops->tree.first;
		while(ten) {
			TreeElement *nten= ten->next, *par;
			tselem= TREESTORE(ten);
			lib= (Library *)tselem->id;
			if(lib->parent) {
				BLI_remlink(&soops->tree, ten);
				par= (TreeElement *)lib->parent->id.newid;
				BLI_addtail(&par->subtree, ten);
				ten->parent= par;
			}
			ten= nten;
		}
		/* restore newid pointers */
		for(lib= mainvar->library.first; lib; lib= lib->id.next)
			lib->id.newid= NULL;
		
	}
	else if(soops->outlinevis == SO_ALL_SCENES) {
		Scene *sce;
		for(sce= mainvar->scene.first; sce; sce= sce->id.next) {
			te= outliner_add_element(soops, &soops->tree, sce, NULL, 0, 0);
			tselem= TREESTORE(te);
			if(sce==scene && show_opened) 
				tselem->flag &= ~TSE_CLOSED;
			
			for(base= sce->base.first; base; base= base->next) {
				ten= outliner_add_element(soops, &te->subtree, base->object, te, 0, 0);
				ten->directdata= base;
			}
			outliner_make_hierarchy(soops, &te->subtree);
			/* clear id.newid, to prevent objects be inserted in wrong scenes (parent in other scene) */
			for(base= sce->base.first; base; base= base->next) base->object->id.newid= NULL;
		}
	}
	else if(soops->outlinevis == SO_CUR_SCENE) {
		
		outliner_add_scene_contents(soops, &soops->tree, scene, NULL);
		
		for(base= scene->base.first; base; base= base->next) {
			ten= outliner_add_element(soops, &soops->tree, base->object, NULL, 0, 0);
			ten->directdata= base;
		}
		outliner_make_hierarchy(soops, &soops->tree);
	}
	else if(soops->outlinevis == SO_VISIBLE) {
		for(base= scene->base.first; base; base= base->next) {
			if(base->lay & scene->lay)
				outliner_add_element(soops, &soops->tree, base->object, NULL, 0, 0);
		}
		outliner_make_hierarchy(soops, &soops->tree);
	}
	else if(soops->outlinevis == SO_GROUPS) {
		Group *group;
		GroupObject *go;
		
		for(group= mainvar->group.first; group; group= group->id.next) {
			if(group->gobject.first) {
				te= outliner_add_element(soops, &soops->tree, group, NULL, 0, 0);
				
				for(go= group->gobject.first; go; go= go->next) {
					ten= outliner_add_element(soops, &te->subtree, go->ob, te, 0, 0);
					ten->directdata= NULL; /* eh, why? */
				}
				outliner_make_hierarchy(soops, &te->subtree);
				/* clear id.newid, to prevent objects be inserted in wrong scenes (parent in other scene) */
				for(go= group->gobject.first; go; go= go->next) go->ob->id.newid= NULL;
			}
		}
	}
	else if(soops->outlinevis == SO_SAME_TYPE) {
		Object *ob= OBACT;
		if(ob) {
			for(base= scene->base.first; base; base= base->next) {
				if(base->object->type==ob->type) {
					ten= outliner_add_element(soops, &soops->tree, base->object, NULL, 0, 0);
					ten->directdata= base;
				}
			}
			outliner_make_hierarchy(soops, &soops->tree);
		}
	}
	else if(soops->outlinevis == SO_SELECTED) {
		for(base= scene->base.first; base; base= base->next) {
			if(base->lay & scene->lay) {
				if(base==BASACT || (base->flag & SELECT)) {
					ten= outliner_add_element(soops, &soops->tree, base->object, NULL, 0, 0);
					ten->directdata= base;
				}
			}
		}
		outliner_make_hierarchy(soops, &soops->tree);
	}
	else if(soops->outlinevis==SO_SEQUENCE) {
		Sequence *seq;
		Editing *ed= seq_give_editing(scene, FALSE);
		int op;

		if(ed==NULL)
			return;

		seq= ed->seqbasep->first;
		if(!seq)
			return;

		while(seq) {
			op= need_add_seq_dup(seq);
			if(op==1)
				ten= outliner_add_element(soops, &soops->tree, (void*)seq, NULL, TSE_SEQUENCE, 0);
			else if(op==0) {
				ten= outliner_add_element(soops, &soops->tree, (void*)seq, NULL, TSE_SEQUENCE_DUP, 0);
				outliner_add_seq_dup(soops, seq, ten, 0);
			}
			seq= seq->next;
		}
	}
	else if(soops->outlinevis==SO_DATABLOCKS) {
		PointerRNA mainptr;

		RNA_main_pointer_create(mainvar, &mainptr);

		ten= outliner_add_element(soops, &soops->tree, (void*)&mainptr, NULL, TSE_RNA_STRUCT, -1);

		if(show_opened)  {
			tselem= TREESTORE(ten);
			tselem->flag &= ~TSE_CLOSED;
		}
	}
	else if(soops->outlinevis==SO_USERDEF) {
		PointerRNA userdefptr;

		RNA_pointer_create(NULL, &RNA_UserPreferences, &U, &userdefptr);

		ten= outliner_add_element(soops, &soops->tree, (void*)&userdefptr, NULL, TSE_RNA_STRUCT, -1);

		if(show_opened)  {
			tselem= TREESTORE(ten);
			tselem->flag &= ~TSE_CLOSED;
		}
	}
	else if(soops->outlinevis==SO_KEYMAP) {
		wmWindowManager *wm= mainvar->wm.first;
		wmKeyMap *km;
		
		for(km= wm->defaultconf->keymaps.first; km; km= km->next) {
			ten= outliner_add_element(soops, &soops->tree, (void*)km, NULL, TSE_KEYMAP, 0);
		}
	}
	else {
		ten= outliner_add_element(soops, &soops->tree, OBACT, NULL, 0, 0);
		if(ten) ten->directdata= BASACT;
	}

	outliner_sort(soops, &soops->tree);
	outliner_filter_tree(soops, &soops->tree);
}