ParticleSettings animdata wasn't shown in graph editor, dope sheet and nla editor.

Tiny bug fix too: Had forgotten particle child length setting from do_versions so old files with child hair showed all hair with zero length.

10 files changed, 297 insertions, 13 deletions

diff --git a/source/blender/editors/animation/anim_channels.c b/source/blender/editors/animation/anim_channels.c
index 6cb00f9285b..6b31fbe25a9 100644
--- a/source/blender/editors/animation/anim_channels.c
+++ b/source/blender/editors/animation/anim_channels.c
@@ -48,6 +48,7 @@
 #include "DNA_camera_types.h"
 #include "DNA_curve_types.h"
 #include "DNA_object_types.h"
+#include "DNA_particle_types.h"
 #include "DNA_screen_types.h"
 #include "DNA_scene_types.h"
 #include "DNA_space_types.h"
@@ -981,6 +982,20 @@ static void setflag_anim_channels (bAnimContext *ac, short setting, short mode,
 				}
 			}
 				break;
+			case ANIMTYPE_FILLPARTD:
+			{
+				Object *ob= (Object *)ale->data;
+				
+				// XXX - settings should really be moved out of ob->nlaflag
+				if ((onlysel == 0) || (ob->flag & SELECT)) {
+					if (setting == ACHANNEL_SETTING_EXPAND) {
+						if (mode == ACHANNEL_SETFLAG_TOGGLE) 	ob->nlaflag ^= OB_ADS_SHOWPARTS;
+						else if (mode == ACHANNEL_SETFLAG_ADD) 	ob->nlaflag |= OB_ADS_SHOWPARTS;
+						else 									ob->nlaflag &= ~OB_ADS_SHOWPARTS;
+					}
+				}
+			}
+				break;
 					
 			case ANIMTYPE_DSMAT:
 			{
@@ -1048,6 +1063,17 @@ static void setflag_anim_channels (bAnimContext *ac, short setting, short mode,
 				}
 			}
 				break;
+			case ANIMTYPE_DSPART:
+			{
+				ParticleSettings *part= (ParticleSettings*)ale->data;
+
+				if (ASUBCHANNEL_SEL_OK(ale)) {
+					if (setting == ACHANNEL_SETTING_EXPAND) {
+						ACHANNEL_SET_FLAG(part, mode, PART_DS_EXPAND);
+					}
+				}
+			}
+				break;
 				
 			case ANIMTYPE_GROUP:
 			{
@@ -1605,6 +1631,13 @@ static int mouse_anim_channels (bAnimContext *ac, float x, int channel_index, sh
 			notifierFlags |= ND_ANIMCHAN_EDIT;
 		}
 			break;
+		case ANIMTYPE_FILLPARTD:
+		{
+			Object *ob= (Object *)ale->data;
+			ob->nlaflag ^= OB_ADS_SHOWPARTS;	// XXX 
+			notifierFlags |= ND_ANIMCHAN_EDIT;
+		}
+			break;
 				
 		case ANIMTYPE_DSMAT:
 		{
@@ -1648,6 +1681,13 @@ static int mouse_anim_channels (bAnimContext *ac, float x, int channel_index, sh
 			notifierFlags |= ND_ANIMCHAN_EDIT;
 		}
 			break;
+		case ANIMTYPE_DSPART:
+		{
+			ParticleSettings *part= (ParticleSettings *)ale->data;
+			part->flag ^= PART_DS_EXPAND;
+			notifierFlags |= ND_ANIMCHAN_EDIT;
+		}
+			break;
 			
 		case ANIMTYPE_GROUP: 
 		{
diff --git a/source/blender/editors/animation/anim_filter.c b/source/blender/editors/animation/anim_filter.c
index ecc8012f3ec..5676fee5bac 100644
--- a/source/blender/editors/animation/anim_filter.c
+++ b/source/blender/editors/animation/anim_filter.c
@@ -62,6 +62,7 @@
 #include "DNA_material_types.h"
 #include "DNA_mesh_types.h"
 #include "DNA_object_types.h"
+#include "DNA_particle_types.h"
 #include "DNA_space_types.h"
 #include "DNA_scene_types.h"
 #include "DNA_screen_types.h"
@@ -484,6 +485,16 @@ bAnimListElem *make_new_animlistelem (void *data, short datatype, void *owner, s
 				ale->datatype= ALE_NONE;
 			}
 				break;
+			case ANIMTYPE_FILLPARTD:
+			{
+				Object *ob= (Object *)data;
+				
+				ale->flag= FILTER_PART_OBJC(ob);
+				
+				ale->key_data= NULL;
+				ale->datatype= ALE_NONE;
+			}
+				break;
 			
 			case ANIMTYPE_DSMAT:
 			{
@@ -551,6 +562,17 @@ bAnimListElem *make_new_animlistelem (void *data, short datatype, void *owner, s
 				ale->datatype= ALE_ACT;
 			}
 				break;
+			case ANIMTYPE_DSPART:
+			{
+				ParticleSettings *part= (ParticleSettings*)ale->data;
+				AnimData *adt= part->adt;
+				
+				ale->flag= FILTER_PART_OBJD(part); 
+				
+				ale->key_data= (adt) ? adt->action : NULL;
+				ale->datatype= ALE_ACT;
+			}
+				break;
 				
 			case ANIMTYPE_GROUP:
 			{
@@ -1008,6 +1030,60 @@ static int animdata_filter_dopesheet_mats (ListBase *anim_data, bDopeSheet *ads,
 	return items;
 }
 
+static int animdata_filter_dopesheet_particles (ListBase *anim_data, bDopeSheet *ads, Base *base, int filter_mode)
+{
+	bAnimListElem *ale=NULL;
+	Object *ob= base->object;
+	ParticleSystem *psys = ob->particlesystem.first;
+	int items= 0, first = 1;
+
+	for(; psys; psys=psys->next) {
+		short ok = 0;
+
+		if(ELEM(NULL, psys->part, psys->part->adt))
+			continue;
+
+		ANIMDATA_FILTER_CASES(psys->part,
+			{ /* AnimData blocks - do nothing... */ },
+			ok=1;, 
+			ok=1;, 
+			ok=1;)
+		if (ok == 0) continue;
+
+		/* include particles-expand widget? */
+		if (first && (filter_mode & ANIMFILTER_CHANNELS) && !(filter_mode & ANIMFILTER_CURVESONLY)) {
+			ale= make_new_animlistelem(ob, ANIMTYPE_FILLPARTD, base, ANIMTYPE_OBJECT, (ID *)ob);
+			if (ale) {
+				BLI_addtail(anim_data, ale);
+				items++;
+			}
+			first = 0;
+		}
+		
+		/* add particle settings? */
+		if (FILTER_PART_OBJC(ob) || (filter_mode & ANIMFILTER_CURVESONLY)) {
+			if ((filter_mode & ANIMFILTER_CHANNELS)){
+				ale = make_new_animlistelem(psys->part, ANIMTYPE_DSPART, base, ANIMTYPE_OBJECT, (ID *)psys->part);
+				if (ale) {
+					BLI_addtail(anim_data, ale);
+					items++;
+				}
+			}
+			
+			if (FILTER_PART_OBJD(psys->part) || (filter_mode & ANIMFILTER_CURVESONLY)) {
+				ANIMDATA_FILTER_CASES(psys->part,
+					{ /* AnimData blocks - do nothing... */ },
+					items += animdata_filter_nla(anim_data, psys->part->adt, filter_mode, psys->part, ANIMTYPE_DSPART, (ID *)psys->part);, 
+					items += animdata_filter_fcurves(anim_data, psys->part->adt->drivers.first, NULL, psys->part, ANIMTYPE_DSPART, filter_mode, (ID *)psys->part);, 
+					items += animdata_filter_action(anim_data, psys->part->adt->action, filter_mode, psys->part, ANIMTYPE_DSPART, (ID *)psys->part);)
+			}
+		}
+	}
+	
+	/* return the number of items added to the list */
+	return items;
+}
+
 static int animdata_filter_dopesheet_obdata (ListBase *anim_data, bDopeSheet *ads, Base *base, int filter_mode)
 {
 	bAnimListElem *ale=NULL;
@@ -1229,6 +1305,10 @@ static int animdata_filter_dopesheet_ob (ListBase *anim_data, bDopeSheet *ads, B
 	}
 	if (obdata_ok) 
 		items += animdata_filter_dopesheet_obdata(anim_data, ads, base, filter_mode);
+
+	/* particles */
+	if(ob->particlesystem.first && !(ads->filterflag & ADS_FILTER_NOPART))
+		items += animdata_filter_dopesheet_particles(anim_data, ads, base, filter_mode);
 	
 	/* return the number of items added to the list */
 	return items;
@@ -1406,7 +1486,7 @@ static int animdata_filter_dopesheet (ListBase *anim_data, bDopeSheet *ads, int
 		if (base->object) {
 			Object *ob= base->object;
 			Key *key= ob_get_key(ob);
-			short actOk=1, keyOk=1, dataOk=1, matOk=1;
+			short actOk=1, keyOk=1, dataOk=1, matOk=1, partOk=1;
 			
 			/* firstly, check if object can be included, by the following fanimors:
 			 *	- if only visible, must check for layer and also viewport visibility
@@ -1548,9 +1628,35 @@ static int animdata_filter_dopesheet (ListBase *anim_data, bDopeSheet *ads, int
 						dataOk= 0;
 						break;
 				}
+
+				/* particles */
+				partOk = 0;
+				if(!(ads->filterflag & ADS_FILTER_NOPART) && ob->particlesystem.first) {
+					ParticleSystem *psys = ob->particlesystem.first;
+					for(; psys; psys=psys->next) {
+						if (psys->part) {
+							/* if particlesettings has relevant animation data, break */
+							ANIMDATA_FILTER_CASES(psys->part, 
+								{
+									/* for the special AnimData blocks only case, we only need to add
+									 * the block if it is valid... then other cases just get skipped (hence ok=0)
+									 */
+									ANIMDATA_ADD_ANIMDATA(psys->part);
+									partOk=0;
+								},
+								partOk= 1;, 
+								partOk= 1;, 
+								partOk= 1;)
+						}
+							
+						if (partOk) 
+							break;
+					}
+				}
+
 				
 				/* check if all bad (i.e. nothing to show) */
-				if (!actOk && !keyOk && !dataOk && !matOk)
+				if (!actOk && !keyOk && !dataOk && !matOk && !partOk)
 					continue;
 			}
 			else {
@@ -1599,9 +1705,22 @@ static int animdata_filter_dopesheet (ListBase *anim_data, bDopeSheet *ads, int
 						dataOk= 0;
 						break;
 				}
+
+				/* particles */
+				partOk = 0;
+				if(ob->particlesystem.first) {
+					ParticleSystem *psys = ob->particlesystem.first;
+					for(; psys; psys=psys->next) {
+						if(psys->part && ANIMDATA_HAS_KEYS(psys->part)) {
+							partOk = 1;
+							break;
+						}
+
+					}
+				}
 				
 				/* check if all bad (i.e. nothing to show) */
-				if (!actOk && !keyOk && !dataOk && !matOk)
+				if (!actOk && !keyOk && !dataOk && !matOk && !partOk)
 					continue;
 			}
 			
diff --git a/source/blender/editors/include/ED_anim_api.h b/source/blender/editors/include/ED_anim_api.h
index 7cfc788177e..854b5390e8c 100644
--- a/source/blender/editors/include/ED_anim_api.h
+++ b/source/blender/editors/include/ED_anim_api.h
@@ -118,6 +118,7 @@ typedef enum eAnim_ChannelType {
 	ANIMTYPE_FILLACTD,
 	ANIMTYPE_FILLDRIVERS,
 	ANIMTYPE_FILLMATD,
+	ANIMTYPE_FILLPARTD,
 	
 	ANIMTYPE_DSMAT,
 	ANIMTYPE_DSLAM,
@@ -125,6 +126,7 @@ typedef enum eAnim_ChannelType {
 	ANIMTYPE_DSCUR,
 	ANIMTYPE_DSSKEY,
 	ANIMTYPE_DSWOR,
+	ANIMTYPE_DSPART,
 	
 	ANIMTYPE_SHAPEKEY,		// XXX probably can become depreceated???
 	
@@ -181,12 +183,14 @@ typedef enum eAnimFilter_Flags {
 #define EXPANDED_OBJC(ob) ((ob->nlaflag & OB_ADS_COLLAPSED)==0)
 	/* 'Sub-object' channels (flags stored in Object block) */
 #define FILTER_MAT_OBJC(ob) ((ob->nlaflag & OB_ADS_SHOWMATS))
+#define FILTER_PART_OBJC(ob) ((ob->nlaflag & OB_ADS_SHOWPARTS))
 	/* 'Sub-object' channels (flags stored in Data block) */
 #define FILTER_SKE_OBJD(key) ((key->flag & KEYBLOCK_DS_EXPAND))
 #define FILTER_MAT_OBJD(ma) ((ma->flag & MA_DS_EXPAND))
 #define FILTER_LAM_OBJD(la) ((la->flag & LA_DS_EXPAND))
 #define FILTER_CAM_OBJD(ca) ((ca->flag & CAM_DS_EXPAND))
 #define FILTER_CUR_OBJD(cu) ((cu->flag & CU_DS_EXPAND))
+#define FILTER_PART_OBJD(part) ((part->flag & PART_DS_EXPAND))
 	/* 'Sub-object/Action' channels (flags stored in Action) */
 #define SEL_ACTC(actc) ((actc->flag & ACT_SELECTED))
 #define EXPANDED_ACTC(actc) ((actc->flag & ACT_COLLAPSED)==0)
diff --git a/source/blender/editors/space_action/action_draw.c b/source/blender/editors/space_action/action_draw.c
index 2fd5b9bbd93..216ff3993dd 100644
--- a/source/blender/editors/space_action/action_draw.c
+++ b/source/blender/editors/space_action/action_draw.c
@@ -52,6 +52,7 @@
 #include "DNA_camera_types.h"
 #include "DNA_curve_types.h"
 #include "DNA_object_types.h"
+#include "DNA_particle_types.h"
 #include "DNA_screen_types.h"
 #include "DNA_scene_types.h"
 #include "DNA_space_types.h"
@@ -519,6 +520,22 @@ void draw_channel_names(bAnimContext *ac, SpaceAction *saction, ARegion *ar)
 					strcpy(name, "Materials");
 				}
 					break;
+				case ANIMTYPE_FILLPARTD: /* object particles (dopesheet) expand widget */
+				{
+					Object *ob = (Object *)ale->data;
+					
+					group = 4;
+					indent = 1;
+					special = ICON_PARTICLE_DATA;
+					
+					if (FILTER_PART_OBJC(ob))
+						expand = ICON_TRIA_DOWN;
+					else
+						expand = ICON_TRIA_RIGHT;
+						
+					strcpy(name, "Particles");
+				}
+					break;
 				
 				
 				case ANIMTYPE_DSMAT: /* single material (dopesheet) expand widget */
@@ -619,6 +636,23 @@ void draw_channel_names(bAnimContext *ac, SpaceAction *saction, ARegion *ar)
 					strcpy(name, wo->id.name+2);
 				}
 					break;
+				case ANIMTYPE_DSPART: /* particle (dopesheet) expand widget */
+				{
+					ParticleSettings *part= (ParticleSettings*)ale->data;
+					
+					group = 0;
+					indent = 0;
+					special = ICON_PARTICLE_DATA;
+					offset = 21;
+					
+					if (FILTER_PART_OBJD(part))	
+						expand = ICON_TRIA_DOWN;
+					else
+						expand = ICON_TRIA_RIGHT;
+					
+					strcpy(name, part->id.name+2);
+				}
+					break;
 					
 				
 				case ANIMTYPE_GROUP: /* action group */
@@ -671,8 +705,8 @@ void draw_channel_names(bAnimContext *ac, SpaceAction *saction, ARegion *ar)
 					grp= fcu->grp;
 					
 					if (ale->id) {
-						/* special exception for materials */
-						if (GS(ale->id->name) == ID_MA) {
+						/* special exception for materials and particles */
+						if (ELEM(GS(ale->id->name),ID_MA,ID_PA)) {
 							offset= 21;
 							indent= 1;
 						}
@@ -1083,6 +1117,7 @@ void draw_channel_strips(bAnimContext *ac, SpaceAction *saction, ARegion *ar)
 						
 						case ANIMTYPE_FILLACTD:
 						case ANIMTYPE_FILLMATD:
+						case ANIMTYPE_FILLPARTD:
 						case ANIMTYPE_DSSKEY:
 						case ANIMTYPE_DSWOR:
 						{
diff --git a/source/blender/editors/space_action/action_header.c b/source/blender/editors/space_action/action_header.c
index f5c85d4d983..7820b231212 100644
--- a/source/blender/editors/space_action/action_header.c
+++ b/source/blender/editors/space_action/action_header.c
@@ -381,6 +381,7 @@ void action_header_buttons(const bContext *C, ARegion *ar)
 				uiDefIconButBitI(block, TOGN, ADS_FILTER_NOLAM, B_REDR, ICON_LAMP_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(saction->ads.filterflag), 0, 0, 0, 0, "Display Lamps");
 				uiDefIconButBitI(block, TOGN, ADS_FILTER_NOCAM, B_REDR, ICON_CAMERA_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(saction->ads.filterflag), 0, 0, 0, 0, "Display Cameras");
 				uiDefIconButBitI(block, TOGN, ADS_FILTER_NOCUR, B_REDR, ICON_CURVE_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(saction->ads.filterflag), 0, 0, 0, 0, "Display Curves");
+				uiDefIconButBitI(block, TOGN, ADS_FILTER_NOPART, B_REDR, ICON_PARTICLE_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(saction->ads.filterflag), 0, 0, 0, 0, "Display Particles");
 			uiBlockEndAlign(block);
 			xco += 30;
 		}
diff --git a/source/blender/editors/space_graph/graph_draw.c b/source/blender/editors/space_graph/graph_draw.c
index f8f613223db..67a93b2e786 100644
--- a/source/blender/editors/space_graph/graph_draw.c
+++ b/source/blender/editors/space_graph/graph_draw.c
@@ -52,6 +52,7 @@
 #include "DNA_lamp_types.h"
 #include "DNA_material_types.h"
 #include "DNA_object_types.h"
+#include "DNA_particle_types.h"
 #include "DNA_scene_types.h"
 #include "DNA_screen_types.h"
 #include "DNA_space_types.h"
@@ -1038,6 +1039,22 @@ void graph_draw_channel_names(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar)
 					strcpy(name, "Materials");
 				}
 					break;
+				case ANIMTYPE_FILLPARTD: /* object particles (dopesheet) expand widget */
+				{
+					Object *ob = (Object *)ale->data;
+					
+					group = 4;
+					indent = 1;
+					special = ICON_PARTICLE_DATA;
+					
+					if (FILTER_PART_OBJC(ob))
+						expand = ICON_TRIA_DOWN;
+					else
+						expand = ICON_TRIA_RIGHT;
+						
+					strcpy(name, "Particles");
+				}
+					break;
 				
 				
 				case ANIMTYPE_DSMAT: /* single material (dopesheet) expand widget */
@@ -1138,6 +1155,23 @@ void graph_draw_channel_names(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar)
 					strcpy(name, wo->id.name+2);
 				}
 					break;
+				case ANIMTYPE_DSPART: /* particle (dopesheet) expand widget */
+				{
+					ParticleSettings *part= (ParticleSettings*)ale->data;
+					
+					group = 0;
+					indent = 0;
+					special = ICON_PARTICLE_DATA;
+					offset = 21;
+					
+					if (FILTER_PART_OBJD(part))	
+						expand = ICON_TRIA_DOWN;
+					else
+						expand = ICON_TRIA_RIGHT;
+					
+					strcpy(name, part->id.name+2);
+				}
+					break;
 				
 				
 				case ANIMTYPE_GROUP: /* action group */
@@ -1196,8 +1230,8 @@ void graph_draw_channel_names(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar)
 					grp= fcu->grp;
 					
 					if (ale->id) {
-						/* special exception for materials */
-						if (GS(ale->id->name) == ID_MA) {
+						/* special exception for materials and particles */
+						if (ELEM(GS(ale->id->name),ID_MA,ID_PA)) {
 							offset= 21;
 							indent= 1;
 						}
diff --git a/source/blender/editors/space_graph/graph_header.c b/source/blender/editors/space_graph/graph_header.c
index eeede3ae95b..e4ce889a188 100644
--- a/source/blender/editors/space_graph/graph_header.c
+++ b/source/blender/editors/space_graph/graph_header.c
@@ -304,6 +304,7 @@ void graph_header_buttons(const bContext *C, ARegion *ar)
 			uiDefIconButBitI(block, TOGN, ADS_FILTER_NOLAM, B_REDR, ICON_LAMP_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(sipo->ads->filterflag), 0, 0, 0, 0, "Display Lamps");
 			uiDefIconButBitI(block, TOGN, ADS_FILTER_NOCAM, B_REDR, ICON_CAMERA_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(sipo->ads->filterflag), 0, 0, 0, 0, "Display Cameras");
 			uiDefIconButBitI(block, TOGN, ADS_FILTER_NOCUR, B_REDR, ICON_CURVE_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(sipo->ads->filterflag), 0, 0, 0, 0, "Display Curves");
+			uiDefIconButBitI(block, TOGN, ADS_FILTER_NOPART, B_REDR, ICON_PARTICLE_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(sipo->ads->filterflag), 0, 0, 0, 0, "Display Particles");
 		uiBlockEndAlign(block);
 		xco += 15;
 	}
diff --git a/source/blender/editors/space_nla/nla_channels.c b/source/blender/editors/space_nla/nla_channels.c
index 1ab348eb28e..79c2c94719c 100644
--- a/source/blender/editors/space_nla/nla_channels.c
+++ b/source/blender/editors/space_nla/nla_channels.c
@@ -38,6 +38,7 @@
 #include "DNA_camera_types.h"
 #include "DNA_curve_types.h"
 #include "DNA_object_types.h"
+#include "DNA_particle_types.h"
 #include "DNA_screen_types.h"
 #include "DNA_scene_types.h"
 #include "DNA_space_types.h"
@@ -185,6 +186,13 @@ static int mouse_nla_channels (bAnimContext *ac, float x, int channel_index, sho
 			notifierFlags |= ND_ANIMCHAN_EDIT;
 		}
 			break;
+		case ANIMTYPE_FILLPARTD:
+		{
+			Object *ob= (Object *)ale->data;
+			ob->nlaflag ^= OB_ADS_SHOWPARTS;	// XXX 
+			notifierFlags |= ND_ANIMCHAN_EDIT;
+		}
+			break;
 				
 		case ANIMTYPE_DSMAT:
 		{
@@ -228,6 +236,13 @@ static int mouse_nla_channels (bAnimContext *ac, float x, int channel_index, sho
 			notifierFlags |= ND_ANIMCHAN_EDIT;
 		}
 			break;
+		case ANIMTYPE_DSPART:
+		{
+			ParticleSettings *part= (ParticleSettings *)ale->data;
+			part->flag ^= PART_DS_EXPAND;
+			notifierFlags |= ND_ANIMCHAN_EDIT;
+		}
+			break;
 			
 		case ANIMTYPE_NLATRACK:
 		{
@@ -237,8 +252,8 @@ static int mouse_nla_channels (bAnimContext *ac, float x, int channel_index, sho
 			
 			/* offset for start of channel (on LHS of channel-list) */
 			if (ale->id) {
-				/* special exception for materials */
-				if (GS(ale->id->name) == ID_MA)
+				/* special exception for materials and particles */
+				if (ELEM(GS(ale->id->name),ID_MA,ID_PA))
 					offset= 21 + NLACHANNEL_BUTTON_WIDTH;
 				else
 					offset= 14;
diff --git a/source/blender/editors/space_nla/nla_draw.c b/source/blender/editors/space_nla/nla_draw.c
index 9aa71187334..6809c7928ac 100644
--- a/source/blender/editors/space_nla/nla_draw.c
+++ b/source/blender/editors/space_nla/nla_draw.c
@@ -46,6 +46,7 @@
 #include "DNA_key_types.h"
 #include "DNA_lamp_types.h"
 #include "DNA_material_types.h"
+#include "DNA_particle_types.h"
 #include "DNA_userdef_types.h"
 #include "DNA_windowmanager_types.h"
 #include "DNA_world_types.h"
@@ -693,6 +694,22 @@ void draw_nla_channel_list (bAnimContext *ac, SpaceNla *snla, ARegion *ar)
 					strcpy(name, "Materials");
 				}
 					break;
+				case ANIMTYPE_FILLPARTD: /* object particles (dopesheet) expand widget */
+				{
+					Object *ob = (Object *)ale->data;
+					
+					group = 4;
+					indent = 1;
+					special = ICON_PARTICLE_DATA;
+					
+					if (FILTER_PART_OBJC(ob))
+						expand = ICON_TRIA_DOWN;
+					else
+						expand = ICON_TRIA_RIGHT;
+						
+					strcpy(name, "Particles");
+				}
+					break;
 				
 				
 				case ANIMTYPE_DSMAT: /* single material (dopesheet) expand widget */
@@ -793,6 +810,23 @@ void draw_nla_channel_list (bAnimContext *ac, SpaceNla *snla, ARegion *ar)
 					strcpy(name, wo->id.name+2);
 				}
 					break;
+				case ANIMTYPE_DSPART: /* particle (dopesheet) expand widget */
+				{
+					ParticleSettings *part= (ParticleSettings*)ale->data;
+					
+					group = 0;
+					indent = 0;
+					special = ICON_PARTICLE_DATA;
+					offset = 21;
+					
+					if (FILTER_PART_OBJD(part))	
+						expand = ICON_TRIA_DOWN;
+					else
+						expand = ICON_TRIA_RIGHT;
+					
+					strcpy(name, part->id.name+2);
+				}
+					break;
 				
 				case ANIMTYPE_NLATRACK: /* NLA Track */
 				{
@@ -801,8 +835,8 @@ void draw_nla_channel_list (bAnimContext *ac, SpaceNla *snla, ARegion *ar)
 					indent= 0;
 					
 					if (ale->id) {
-						/* special exception for materials */
-						if (GS(ale->id->name) == ID_MA) {
+						/* special exception for materials and particles */
+						if (ELEM(GS(ale->id->name),ID_MA,ID_PA)) {
 							offset= 21;
 							indent= 1;
 						}
@@ -846,8 +880,8 @@ void draw_nla_channel_list (bAnimContext *ac, SpaceNla *snla, ARegion *ar)
 					group = 5;
 					
 					if (ale->id) {
-						/* special exception for materials */
-						if (GS(ale->id->name) == ID_MA) {
+						/* special exception for materials and particles */
+						if (ELEM(GS(ale->id->name),ID_MA,ID_PA)) {
 							offset= 21;
 							indent= 1;
 						}
diff --git a/source/blender/editors/space_nla/nla_header.c b/source/blender/editors/space_nla/nla_header.c
index f159f440759..3f504441108 100644
--- a/source/blender/editors/space_nla/nla_header.c
+++ b/source/blender/editors/space_nla/nla_header.c
@@ -261,6 +261,7 @@ void nla_header_buttons(const bContext *C, ARegion *ar)
 			uiDefIconButBitI(block, TOGN, ADS_FILTER_NOLAM, B_REDR, ICON_LAMP_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(snla->ads->filterflag), 0, 0, 0, 0, "Display Lamps");
 			uiDefIconButBitI(block, TOGN, ADS_FILTER_NOCAM, B_REDR, ICON_CAMERA_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(snla->ads->filterflag), 0, 0, 0, 0, "Display Cameras");
 			uiDefIconButBitI(block, TOGN, ADS_FILTER_NOCUR, B_REDR, ICON_CURVE_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(snla->ads->filterflag), 0, 0, 0, 0, "Display Curves");
+			uiDefIconButBitI(block, TOGN, ADS_FILTER_NOPART, B_REDR, ICON_PARTICLE_DATA,	(short)(xco+=XIC),yco,XIC,YIC, &(snla->ads->filterflag), 0, 0, 0, 0, "Display Particles");
 		uiBlockEndAlign(block);
 		xco += 15;
 	}