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Attempt to make this class do what it should :-)

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@2868 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 1998-07-28 09:45:09 +00:00
parent b941cb44a8
commit b41a9d6e9a
1 changed files with 16 additions and 26 deletions
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42
Source/NSUndoManager.m
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@ -59,9 +59,8 @@ NSString *NSUndoManagerWillUndoChangeNotification =
- (id) initWithParent: (PrivateUndoGroup*)parent;
- (void) orphan;
- (PrivateUndoGroup*) parent;
- (void) redo;
- (void) perform;
- (BOOL) removeActionsForTarget: (id)target;
- (void) undo;
@end
@implementation PrivateUndoGroup
@ -108,13 +107,13 @@ NSString *NSUndoManagerWillUndoChangeNotification =
return parent;
}
- (void) redo
- (void) perform
{
if (actions != nil) {
int i;
for (i = 0; i < [actions count]; i++) {
[[actions objectAtIndex: i] invoke];
for (i = [actions count]; i > 0; i--) {
[[actions objectAtIndex: i-1] invoke];
}
}
}
@ -138,17 +137,6 @@ NSString *NSUndoManagerWillUndoChangeNotification =
return NO;
}
- (void) undo
{
if (actions != nil) {
int i;
for (i = [actions count]; i > 0; i--) {
[[actions objectAtIndex: i-1] invoke];
}
}
}
@end
@ -316,7 +304,9 @@ NSString *NSUndoManagerWillUndoChangeNotification =
[anInvocation setTarget: nextTarget];
nextTarget = nil;
[group addInvocation: anInvocation];
[redoStack removeAllObjects];
if (isUndoing == NO) {
[redoStack removeAllObjects];
}
registeredUndo = YES;
}
}
@ -404,11 +394,10 @@ NSString *NSUndoManagerWillUndoChangeNotification =
oldGroup = group;
group = nil;
isRedoing = YES;
[self disableUndoRegistration];
[groupToRedo redo];
[undoStack addObject: groupToRedo];
[self beginUndoGrouping];
[groupToRedo perform];
[groupToRedo release];
[self enableUndoRegistration];
[self endUndoGrouping];
isRedoing = NO;
group = oldGroup;
[[NSNotificationCenter defaultCenter]
@ -463,7 +452,9 @@ NSString *NSUndoManagerWillUndoChangeNotification =
[inv setSelector: aSelector];
[inv setArgument: &anObject atIndex: 2];
[g addInvocation: inv];
[redoStack removeAllObjects];
if (isUndoing == NO) {
[redoStack removeAllObjects];
}
registeredUndo = YES;
}
}
@ -630,11 +621,10 @@ NSString *NSUndoManagerWillUndoChangeNotification =
[groupToUndo retain];
[undoStack removeObjectAtIndex: [undoStack count] - 1];
}
[self disableUndoRegistration];
[groupToUndo undo];
[redoStack addObject: groupToUndo];
[self beginUndoGrouping];
[groupToUndo perform];
[groupToUndo release];
[self enableUndoRegistration];
[self endUndoGrouping];
isUndoing = NO;
group = oldGroup;
[[NSNotificationCenter defaultCenter]