This is MiscDragView-Delegate.m in view mode; [Download] [Up]
{\rtf0\ansi{\fonttbl\f4\fmodern Courier;\f0\fswiss Helvetica;\f1\fmodern Ohlfs;}
\paperw11760
\paperh7800
\margl120
\margr120
\pard\tx540\tx1140\tx1680\tx2300\tx3340\tx3920\tx4500\tx5040\tx9200\tx11520\f4\b0\i0\ulnone\fs24\fc0\cf0 /***************************************************************\
CATEGORY: MiscDragView (Delegate)\
* Copyright (C) 1995 Robert Todd Thomas\
* Use is governed by the MiscKit license\
\
See the header for more information on this category.\
***************************************************************/\
\
#import <appkit/appkit.h>\
#import "MiscDragView-BackwardCompat.h"\
#import "MiscDragView-Delegate.h"\
\
\
\f0\b @implementation MiscDragView (Delegate)
\f4\b0 \
\
\f0\b - delegate
\f4\b0 \
\{\
return delegate;\
\}\
\
\
\
// The delegate will only be sent messages that it can respond to.\
\
\f0\b - setDelegate: (id)theDelegate
\f4\b0 \
\{ if(!theDelegate)\
\{ [self unregisterDraggedTypes];\
[self setImage:nil];\
[self setAcceptingImage:nil];\
\}\
delegate = theDelegate;\
if ([delegate respondsTo:@selector(image:)])\
[self setImage:[delegate image:self]];\
else if([delegate respondsTo:@selector(image)])\
[self setImage:[delegate image]];\
if ([delegate respondsTo:@selector(acceptingImage:)])\
[self setAcceptingImage:[delegate acceptingImage:self]];\
else if([delegate respondsTo:@selector(acceptingImage)])\
[self setAcceptingImage:[delegate acceptingImage]];\
[self initDragTypes];\
return self;\
\}\
\
\
\
// Sent from "mouseDown" just before the dragging starts to take place\
\
\f0\b - _sourceDragInitiated: sender
\f4\b0 \
\{\
// here for backward compatibility, please use new delegate\
// methods\
if ([delegate respondsTo: @selector(sourceDragInitiated:)])\
[delegate sourceDragInitiated: sender];\
\
// newly renamed delegate methods\
if ([delegate respondsTo: @selector(didInitiateSourceDrag:)])\
[delegate didInitiateSourceDrag: sender];\
\
return self;\
\}\
\
\
\
// Sent when "draggedImage: endedAt: screenPoint: deposited:" is given \
// control and success is whether the image was deposited in another\
// view somewhere.\
\
\f0\b - _sourceDragFinished: (BOOL)successful
\f4\b0 \
\{\
// here for backward compatibility, please use new delegate\
// methods\
if ([delegate respondsTo: @selector(sourceDragFinished:)])\
[delegate sourceDragFinished: successful];\
\
// new delegate method\
if ([delegate respondsTo: @selector(didFinishSourceDrag:)])\
[delegate didFinishSourceDrag: successful];\
\
return self;\
\}\
\
\
\
// Sent when "draggingEntered:" is given control.\
\
\f0\b - _destinationDragInitiated: sender
\f4\b0 \
\{\
// here for backward compatibility, please use new delegate\
// methods\
if ([delegate respondsTo: @selector(destinationDragInitiated:)])\
[delegate destinationDragInitiated: sender];\
\
// new delegate method\
if ([delegate respondsTo: @selector(didInitiateDestinationDrag:)])\
[delegate didInitiateDestinationDrag: sender];\
\
return self;\
\}\
\
\
\
// Sent when "concludeDragOperation:" is given control\
\
\f0\b - _destinationDragFinished: (BOOL)successful
\f4\b0 \
\{\
// here for backward compatibility, please use new delegate\
// methods\
if ([delegate respondsTo: @selector(destinationDragFinished:)])\
[delegate destinationDragFinished: successful];\
\
// new delegate method\
if ([delegate respondsTo: @selector(didFinishDestinationDrag:)])\
[delegate didFinishDestinationDrag: successful];\
\
return self;\
\}\
\
\f0\b @end
\f4\b0 \
\
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.