1 files changed, 0 insertions, 252 deletions
diff --git a/tikzit/src/common/GraphChange.m b/tikzit/src/common/GraphChange.m
deleted file mode 100644
index 239ae23..0000000
--- a/tikzit/src/common/GraphChange.m
+++ /dev/null
@@ -1,252 +0,0 @@
-//
-//  GraphChange.m
-//  TikZiT
-//  
-//  Copyright 2010 Aleks Kissinger. All rights reserved.
-//  
-//  
-//  This file is part of TikZiT.
-//  
-//  TikZiT 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 3 of the License, or
-//  (at your option) any later version.
-//  
-//  TikZiT 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 TikZiT.  If not, see <http://www.gnu.org/licenses/>.
-//  
-
-
-// GraphChange : store the data associated to a single, undo-able change
-// to a graph. An undo manager should maintain a stack of such changes
-// and undo/redo them on request using [graph applyGraphChange:...].
-
-#import "GraphChange.h"
-
-
-@implementation GraphChange
-
-- (id)init {
-	return [super init];
-}
-
-- (void)dealloc {
-	[affectedNodes release];
-	[affectedEdges release];
-	[nodeRef release];
-	[edgeRef release];
-	[oldNode release];
-	[nwNode release];
-	[oldEdge release];
-	[nwEdge release];
-	[oldNodeTable release];
-	[nwNodeTable release];
-	[oldEdgeTable release];
-	[nwEdgeTable release];
-	[oldGraphData release];
-	[nwGraphData release];
-	[oldNodeOrder release];
-	[nwNodeOrder release];
-	[oldEdgeOrder release];
-	[nwEdgeOrder release];
-	
-	[super dealloc];
-}
-
-@synthesize changeType;
-@synthesize shiftPoint, horizontal;
-@synthesize affectedEdges, affectedNodes;
-@synthesize edgeRef, nodeRef;
-@synthesize nwNode, oldNode;
-@synthesize nwEdge, oldEdge;
-@synthesize oldNodeTable, nwNodeTable;
-@synthesize oldEdgeTable, nwEdgeTable;
-@synthesize oldBoundingBox, nwBoundingBox;
-@synthesize oldGraphData, nwGraphData;
-@synthesize oldNodeOrder, nwNodeOrder;
-@synthesize oldEdgeOrder, nwEdgeOrder;
-
-- (GraphChange*)invert {
-	GraphChange *inverse = [[GraphChange alloc] init];
-	[inverse setChangeType:[self changeType]];
-	switch ([self changeType]) {
-		case GraphAddition:
-			[inverse setChangeType:GraphDeletion];
-			inverse->affectedNodes = [affectedNodes retain];
-			inverse->affectedEdges = [affectedEdges retain];
-			break;
-		case GraphDeletion:
-			[inverse setChangeType:GraphAddition];
-			inverse->affectedNodes = [affectedNodes retain];
-			inverse->affectedEdges = [affectedEdges retain];
-			break;
-		case NodePropertyChange:
-			inverse->nodeRef = [nodeRef retain];
-			inverse->oldNode = [nwNode retain];
-			inverse->nwNode = [oldNode retain];
-			break;
-		case NodesPropertyChange:
-			inverse->oldNodeTable = [nwNodeTable retain];
-			inverse->nwNodeTable = [oldNodeTable retain];
-			break;
-		case EdgePropertyChange:
-			inverse->edgeRef = [edgeRef retain];
-			inverse->oldEdge = [nwEdge retain];
-			inverse->nwEdge = [oldEdge retain];
-			break;
-		case EdgesPropertyChange:
-			inverse->oldEdgeTable = [nwEdgeTable retain];
-			inverse->nwEdgeTable = [oldEdgeTable retain];
-			break;
-		case NodesShift:
-			inverse->affectedNodes = [affectedNodes retain];
-			[inverse setShiftPoint:NSMakePoint(-[self shiftPoint].x,
-											   -[self shiftPoint].y)];
-			break;
-		case NodesFlip:
-			inverse->affectedNodes = [affectedNodes retain];
-			[inverse setHorizontal:[self horizontal]];
-			break;
-		case EdgesReverse:
-			inverse->affectedEdges = [affectedEdges retain];
-			break;
-		case BoundingBoxChange:
-			inverse->oldBoundingBox = nwBoundingBox;
-			inverse->nwBoundingBox = oldBoundingBox;
-			break;
-		case GraphPropertyChange:
-			inverse->oldGraphData = [nwGraphData retain];
-			inverse->nwGraphData = [oldGraphData retain];
-			break;
-		case NodeOrderChange:
-			inverse->affectedNodes = [affectedNodes retain];
-			inverse->oldNodeOrder = [nwNodeOrder retain];
-			inverse->nwNodeOrder = [oldNodeOrder retain];
-			break;
-		case EdgeOrderChange:
-			inverse->affectedEdges = [affectedEdges retain];
-			inverse->oldEdgeOrder = [nwEdgeOrder retain];
-			inverse->nwEdgeOrder = [oldEdgeOrder retain];
-			break;
-	}
-
-	return [inverse autorelease];
-}
-
-+ (GraphChange*)graphAdditionWithNodes:(NSSet *)ns edges:(NSSet *)es {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:GraphAddition];
-	[gc setAffectedNodes:ns];
-	[gc setAffectedEdges:es];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)graphDeletionWithNodes:(NSSet *)ns edges:(NSSet *)es {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:GraphDeletion];
-	[gc setAffectedNodes:ns];
-	[gc setAffectedEdges:es];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)propertyChangeOfNode:(Node*)nd fromOld:(Node*)old toNew:(Node*)nw {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:NodePropertyChange];
-	[gc setNodeRef:nd];
-	[gc setOldNode:old];
-	[gc setNwNode:nw];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)propertyChangeOfNodesFromOldCopies:(NSMapTable*)oldC
-									   toNewCopies:(NSMapTable*)newC {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:NodesPropertyChange];
-	[gc setOldNodeTable:oldC];
-	[gc setNwNodeTable:newC];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)propertyChangeOfEdge:(Edge*)e fromOld:(Edge *)old toNew:(Edge *)nw {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:EdgePropertyChange];
-	[gc setEdgeRef:e];
-	[gc setOldEdge:old];
-	[gc setNwEdge:nw];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)propertyChangeOfEdgesFromOldCopies:(NSMapTable*)oldC
-									   toNewCopies:(NSMapTable*)newC {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:EdgesPropertyChange];
-	[gc setOldEdgeTable:oldC];
-	[gc setNwEdgeTable:newC];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)shiftNodes:(NSSet*)ns byPoint:(NSPoint)p {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:NodesShift];
-	[gc setAffectedNodes:ns];
-	[gc setShiftPoint:p];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)flipNodes:(NSSet*)ns horizontal:(BOOL)b {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:NodesFlip];
-	[gc setAffectedNodes:ns];
-	[gc setHorizontal:b];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)reverseEdges:(NSSet*)es {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:EdgesReverse];
-	[gc setAffectedEdges:es];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)changeBoundingBoxFrom:(NSRect)oldBB to:(NSRect)newBB {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:BoundingBoxChange];
-	[gc setOldBoundingBox:oldBB];
-	[gc setNwBoundingBox:newBB];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)propertyChangeOfGraphFrom:(GraphElementData*)oldData to:(GraphElementData*)newData {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:GraphPropertyChange];
-	[gc setOldGraphData:oldData];
-	[gc setNwGraphData:newData];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)nodeOrderChangeFrom:(NSArray*)old to:(NSArray*)new moved:(NSSet*)affected {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:NodeOrderChange];
-	[gc setAffectedNodes:affected];
-	[gc setOldNodeOrder:old];
-	[gc setNwNodeOrder:new];
-	return [gc autorelease];
-}
-
-+ (GraphChange*)edgeOrderChangeFrom:(NSArray*)old to:(NSArray*)new moved:(NSSet*)affected {
-	GraphChange *gc = [[GraphChange alloc] init];
-	[gc setChangeType:EdgeOrderChange];
-	[gc setAffectedEdges:affected];
-	[gc setOldEdgeOrder:old];
-	[gc setNwEdgeOrder:new];
-	return [gc autorelease];
-}
-
-@end
-
-// vi:ft=objc:ts=4:noet:sts=4:sw=4