1 files changed, 0 insertions, 324 deletions
diff --git a/src/common/GraphChange.m b/src/common/GraphChange.m
deleted file mode 100644
index d09e732..0000000
--- a/src/common/GraphChange.m
+++ /dev/null
@@ -1,324 +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 {
-	[super init];
-	return self;
-}
-
-- (ChangeType)changeType { return changeType; }
-
-- (void)setChangeType:(ChangeType)ct {
-	changeType = ct;
-}
-
-- (BOOL)horizontal { return horizontal; }
-- (void)setHorizontal:(BOOL)b {
-	horizontal = b;
-}
-
-- (NSPoint)shiftPoint { return shiftPoint; }
-- (void)setShiftPoint:(NSPoint)p {
-	shiftPoint = p;
-}
-
-- (NSSet*)affectedNodes { return affectedNodes; }
-
-- (void)setAffectedNodes:(NSSet*)set {
-	if (affectedNodes != set) {
-		[affectedNodes release];
-		affectedNodes = [[NSSet alloc] initWithSet:set];
-	}
-}
-
-- (NSSet*)affectedEdges { return affectedEdges; }
-
-- (void)setAffectedEdges:(NSSet*)set {
-	if (affectedEdges != set) {
-		[affectedEdges release];
-		affectedEdges = [[NSSet alloc] initWithSet:set];
-	}
-}
-
-- (Node*)nodeRef { return nodeRef; }
-
-- (void)setNodeRef:(Node*)nd {
-	if (nodeRef != nd) {
-		[nodeRef release];
-		nodeRef = [nd retain];
-	}
-}
-
-- (Node*)oldNode { return oldNode; }
-
-- (void)setOldNode:(Node*)nd {
-	if (oldNode != nd) {
-		[oldNode release];
-		oldNode = [nd copy];
-	}
-}
-
-- (Node*)nwNode { return nwNode; }
-
-- (void)setNwNode:(Node*)nd {
-	if (nwNode != nd) {
-		[nwNode release];
-		nwNode = [nd copy];
-	}
-}
-
-- (Edge*)edgeRef { return edgeRef; }
-
-- (void)setEdgeRef:(Edge*)ed {
-	if (edgeRef != ed) {
-		[edgeRef release];
-		edgeRef = [ed retain];
-	}
-}
-
-- (Edge*)oldEdge { return oldEdge; }
-
-- (void)setOldEdge:(Edge*)ed {
-	if (oldEdge != ed) {
-		[oldEdge release];
-		oldEdge = [ed copy];
-	}
-}
-
-- (Edge*)nwEdge { return nwEdge; }
-
-- (void)setNwEdge:(Edge*)ed {
-	if (nwEdge != ed) {
-		[nwEdge release];
-		nwEdge = [ed copy];
-	}
-}
-
-- (BasicMapTable*)oldNodeTable { return oldNodeTable; }
-
-- (void)setOldNodeTable:(BasicMapTable*)tab {
-	if (oldNodeTable != tab) {
-		[oldNodeTable release];
-		oldNodeTable = [tab retain];
-	}
-}
-
-- (BasicMapTable*)nwNodeTable { return nwNodeTable; }
-
-- (void)setNwNodeTable:(BasicMapTable*)tab {
-	if (nwNodeTable != tab) {
-		[nwNodeTable release];
-		nwNodeTable = [tab retain];
-	}
-}
-
-- (NSRect)oldBoundingBox { return oldBoundingBox; }
-
-- (void)setOldBoundingBox:(NSRect)bbox {
-	oldBoundingBox = bbox;
-}
-
-- (NSRect)nwBoundingBox { return nwBoundingBox; }
-
-- (void)setNwBoundingBox:(NSRect)bbox {
-	nwBoundingBox = bbox;
-}
-
-- (GraphElementData*)oldGraphData {
-	return oldGraphData;
-}
-
-- (void)setOldGraphData:(GraphElementData*)data {
-	id origOGD = oldGraphData;
-	oldGraphData = [data copy];
-	[origOGD release];
-}
-
-- (GraphElementData*)nwGraphData {
-	return nwGraphData;
-}
-
-- (void)setNwGraphData:(GraphElementData*)data {
-	id origNGD = nwGraphData;
-	nwGraphData = [data copy];
-	[origNGD release];
-}
-
-- (GraphChange*)invert {
-	GraphChange *inverse = [[GraphChange alloc] init];
-	switch ([self changeType]) {
-		case GraphAddition:
-			[inverse setChangeType:GraphDeletion];
-			[inverse setAffectedNodes:[self affectedNodes]];
-			[inverse setAffectedEdges:[self affectedEdges]];
-			break;
-		case GraphDeletion:
-			[inverse setChangeType:GraphAddition];
-			[inverse setAffectedNodes:[self affectedNodes]];
-			[inverse setAffectedEdges:[self affectedEdges]];
-			break;
-		case NodePropertyChange:
-			[inverse setChangeType:NodePropertyChange];
-			[inverse setNodeRef:[self nodeRef]];
-			[inverse setOldNode:[self nwNode]];
-			[inverse setNwNode:[self oldNode]];
-			break;
-		case NodesPropertyChange:
-			[inverse setChangeType:NodesPropertyChange];
-			[inverse setOldNodeTable:[self nwNodeTable]];
-			[inverse setNwNodeTable:[self oldNodeTable]];
-			break;
-		case EdgePropertyChange:
-			[inverse setChangeType:EdgePropertyChange];
-			[inverse setEdgeRef:[self edgeRef]];
-			[inverse setOldEdge:[self nwEdge]];
-			[inverse setNwEdge:[self oldEdge]];
-			break;
-		case NodesShift:
-			[inverse setChangeType:NodesShift];
-			[inverse setAffectedNodes:[self affectedNodes]];
-			[inverse setShiftPoint:NSMakePoint(-[self shiftPoint].x,
-											   -[self shiftPoint].y)];
-			break;
-		case NodesFlip:
-			[inverse setChangeType:NodesFlip];
-			[inverse setAffectedNodes:[self affectedNodes]];
-			[inverse setHorizontal:[self horizontal]];
-			break;
-		case BoundingBoxChange:
-			[inverse setChangeType:BoundingBoxChange];
-			[inverse setOldBoundingBox:[self nwBoundingBox]];
-			[inverse setNwBoundingBox:[self oldBoundingBox]];
-			break;
-		case GraphPropertyChange:
-			[inverse setChangeType:GraphPropertyChange];
-			[inverse setOldGraphData:[self nwGraphData]];
-			[inverse setNwGraphData:[self oldGraphData]];
-			break;
-	}
-	
-	return [inverse autorelease];
-}
-
-- (void)dealloc {
-	[affectedNodes release];
-	[affectedEdges release];
-	[nodeRef release];
-	[oldNode release];
-	[nwNode release];
-	[edgeRef release];	
-	[oldEdge release];
-	[oldNodeTable release];
-	[nwNodeTable release];
-	
-	[super dealloc];
-}
-
-+ (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:(BasicMapTable*)oldC
-									   toNewCopies:(BasicMapTable*)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*)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*)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];
-}
-
-@end
-
-// vi:ft=objc:ts=4:noet:sts=4:sw=4