This is MiscDragView-Delegate.m in view mode; [Download] [Up]
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CATEGORY: MiscDragView (Delegate)\
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See the header for more information on this category.\
***************************************************************/\
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#import <appkit/appkit.h>\
#import "MiscDragView-BackwardCompat.h"\
#import "MiscDragView-Delegate.h"\
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\f5\b @implementation MiscDragView (Delegate)
\f4\b0 \
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\f5\b - delegate
\f4\b0 \
\{\
return delegate;\
\}\
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// The delegate will only be sent messages that it can respond to.\
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\f5\b - setDelegate: (id)theDelegate
\f4\b0 \
\{\
delegate = theDelegate;\
return self;\
\}\
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// Sent from "mouseDown" just before the dragging starts to take place\
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\f5\b - _sourceDragInitiated: sender
\f4\b0 \
\{\
// here for backward compatibility, please use new delegate\
// methods\
if ([delegate respondsTo: @selector(sourceDragInitiated:)])\
[delegate sourceDragInitiated: sender];\
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// newly renamed delegate methods\
if ([delegate respondsTo: @selector(didInitiateSourceDrag:)])\
[delegate didInitiateSourceDrag: sender];\
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return self;\
\}\
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// Sent when "draggedImage: endedAt: screenPoint: deposited:" is given \
// control and success is whether the image was deposited in another\
// view somewhere.\
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\f5\b - _sourceDragFinished: (BOOL)successful
\f4\b0 \
\{\
// here for backward compatibility, please use new delegate\
// methods\
if ([delegate respondsTo: @selector(sourceDragFinished:)])\
[delegate sourceDragFinished: successful];\
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// new delegate method\
if ([delegate respondsTo: @selector(didFinishSourceDrag:)])\
[delegate didFinishSourceDrag: successful];\
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return self;\
\}\
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// Sent when "draggingEntered:" is given control.\
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\f5\b - _destinationDragInitiated: sender
\f4\b0 \
\{\
// here for backward compatibility, please use new delegate\
// methods\
if ([delegate respondsTo: @selector(destinationDragInitiated:)])\
[delegate destinationDragInitiated: sender];\
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// new delegate method\
if ([delegate respondsTo: @selector(didInitiateDestinationDrag:)])\
[delegate didInitiateDestinationDrag: sender];\
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return self;\
\}\
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// Sent when "concludeDragOperation:" is given control\
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\f5\b - _destinationDragFinished: (BOOL)successful
\f4\b0 \
\{\
// here for backward compatibility, please use new delegate\
// methods\
if ([delegate respondsTo: @selector(destinationDragFinished:)])\
[delegate destinationDragFinished: successful];\
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// new delegate method\
if ([delegate respondsTo: @selector(didFinishDestinationDrag:)])\
[delegate didFinishDestinationDrag: successful];\
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return self;\
\}\
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\f5\b @end
\f4\b0 \
\
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.