From a7184527c392a02cf34b85f7f40f9d59348dfb26 Mon Sep 17 00:00:00 2001
From: randomguy3 <randomguy3@7c02a99a-9b00-45e3-bf44-6f3dd7fddb64>
Date: Mon, 30 Jan 2012 15:33:15 +0000
Subject: Undo/redo support for ordering changes

git-svn-id: https://tikzit.svn.sourceforge.net/svnroot/tikzit/trunk@404 7c02a99a-9b00-45e3-bf44-6f3dd7fddb64
---
 tikzit/src/common/GraphChange.h | 47 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

(limited to 'tikzit/src/common/GraphChange.h')

diff --git a/tikzit/src/common/GraphChange.h b/tikzit/src/common/GraphChange.h
index 73a912a..cb4ca09 100644
--- a/tikzit/src/common/GraphChange.h
+++ b/tikzit/src/common/GraphChange.h
@@ -34,7 +34,9 @@ typedef enum {
 	NodesShift,
 	NodesFlip,
 	BoundingBoxChange,
-	GraphPropertyChange
+	GraphPropertyChange,
+	NodeOrderChange,
+	EdgeOrderChange
 } ChangeType;
 
 /*!
@@ -66,6 +68,9 @@ typedef enum {
 	NSMapTable *oldEdgeTable, *nwEdgeTable;
 	NSRect oldBoundingBox, nwBoundingBox;
 	GraphElementData *oldGraphData, *nwGraphData;
+
+	NSArray *oldNodeOrder, *newNodeOrder;
+	NSArray *oldEdgeOrder, *newEdgeOrder;
 }
 
 /*!
@@ -182,6 +187,30 @@ typedef enum {
  */
 @property (copy) GraphElementData *nwGraphData;
 
+/*!
+ @property   oldNodeOrder
+ @brief      The old node list.
+ */
+@property (copy) NSArray *oldNodeOrder;
+
+/*!
+ @property   newNodeOrder
+ @brief      The new node list.
+ */
+@property (copy) NSArray *newNodeOrder;
+
+/*!
+ @property   oldEdgeOrder
+ @brief      The old edge list.
+ */
+@property (copy) NSArray *oldEdgeOrder;
+
+/*!
+ @property   newEdgeOrder
+ @brief      The new edge list.
+ */
+@property (copy) NSArray *newEdgeOrder;
+
 /*!
  @brief      Invert a GraphChange.
  @details    Invert a GraphChange. Calling [graph applyGraphChange:[[graph msg:...] invert]]
@@ -287,6 +316,22 @@ typedef enum {
  */
 + (GraphChange*)propertyChangeOfGraphFrom:(GraphElementData*)oldData to:(GraphElementData*)newData;
 
+/*!
+ @brief      Construct a node order change
+ @param old  The old ordering
+ @param new  The new ordering
+ @result     A node order change
+ */
++ (GraphChange*)nodeOrderChangeFrom:(NSArray*)old to:(NSArray*)new moved:(NSSet*)affected;
+
+/*!
+ @brief      Construct an edge order change
+ @param old  The old ordering
+ @param new  The new ordering
+ @result     A edge order change
+ */
++ (GraphChange*)edgeOrderChangeFrom:(NSArray*)old to:(NSArray*)new moved:(NSSet*)affected;
+
 @end
 
 // vi:ft=objc:noet:ts=4:sts=4:sw=4
-- 
cgit v1.2.3