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/*
GNUstep ProjectCenter - http://www.gnustep.org/experience/ProjectCenter.html
Copyright (C) 2005 Free Software Foundation
Authors: Serg Stoyan
This file is part of GNUstep.
This application 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 2 of the License, or (at your option) any later version.
This application 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
Library General Public License for more details.
You should have received a copy of the GNU General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#import <AppKit/AppKit.h>
#import <ProjectCenter/PCDefines.h>
#import <ProjectCenter/PCFileNameIcon.h>
#import <ProjectCenter/PCProjectBrowser.h>
@implementation PCFileNameIcon
- (void)awakeFromNib
{
filePath = nil;
[self setRefusesFirstResponder:YES];
// [self setEditable:NO]; // prevents dragging
// [self setImage:[NSImage imageNamed:@"ProjectCenter"]];
[self
registerForDraggedTypes:[NSArray arrayWithObject:NSFilenamesPboardType]];
}
- (id)initWithFrame:(NSRect)frameRect
{
self = [super initWithFrame:frameRect];
filePath = nil;
[self setRefusesFirstResponder:YES];
// [self setEditable:NO]; // prevents dragging
// [self setImage:[NSImage imageNamed:@"ProjectCenter"]];
return self;
}
- (void)dealloc
{
#ifdef DEBUG
NSLog (@"PCFileNameIcon: dealloc");
#endif
[[NSNotificationCenter defaultCenter] removeObserver:self];
RELEASE(fileNameField);
RELEASE(delegate);
RELEASE(filePath);
[super dealloc];
}
- (void)setFileNameField:(NSTextField *)field
{
fileNameField = RETAIN(field);
}
- (void)setDelegate:(id)object
{
ASSIGN(delegate, object);
}
- (void)updateIcon
{
if (delegate)
{
if ([delegate respondsToSelector:@selector(fileNameIconImage)])
{
[self setImage:[delegate fileNameIconImage]];
}
if ((fileNameField != nil) &&
[delegate respondsToSelector:@selector(fileNameIconTitle)])
{
[fileNameField setStringValue:[delegate fileNameIconTitle]];
}
if ([delegate respondsToSelector:@selector(fileNameIconPath)])
{
ASSIGN(filePath, [delegate fileNameIconPath]);
}
}
}
// --- Drag and drop
- (void)mouseDown:(NSEvent *)theEvent
{
NSArray *fileList = [NSArray arrayWithObjects:filePath, nil];
NSPasteboard *pboard = [NSPasteboard pasteboardWithName:NSDragPboard];
NSPoint dragPosition;
[pboard declareTypes:[NSArray arrayWithObject:NSFilenamesPboardType]
owner:nil];
[pboard setPropertyList:fileList forType:NSFilenamesPboardType];
// Start the drag operation
dragPosition = [self convertPoint:[theEvent locationInWindow]
fromView:nil];
dragPosition.x -= 16;
dragPosition.y -= 16;
[self dragImage:[self image]
at:dragPosition
offset:NSZeroSize
event:theEvent
pasteboard:pboard
source:self
slideBack:YES];
}
// --- NSDraggingDestination protocol methods
// -- Before the image is released
- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
{
NSPasteboard *pb = [sender draggingPasteboard];
NSArray *paths = [pb propertyListForType:NSFilenamesPboardType];
NSDragOperation draggingOp = NSDragOperationNone;
// NSLog(@"Dragging entered: %@", paths);
if (![paths isKindOfClass:[NSArray class]] || [paths count] == 0)
{
return draggingOp;
}
if (delegate &&
[delegate respondsToSelector:@selector(canPerformDraggingOf:)] &&
[delegate canPerformDraggingOf:paths] == YES)
{
draggingOp = NSDragOperationCopy;
}
if (draggingOp == NSDragOperationCopy)
{ // TODO: Change icon to icon that shows open state of destination
}
return draggingOp;
}
- (void)draggingExited:(id <NSDraggingInfo>)sender
{
NSLog(@"Dragging exited");
}
// -- After the image is released
- (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
{
NSPasteboard *pb = [sender draggingPasteboard];
NSArray *paths = [pb propertyListForType:NSFilenamesPboardType];
NSLog(@"Prepare for drag operation");
if (delegate &&
[delegate respondsToSelector:@selector(prepareForDraggingOf:)])
{
return [delegate prepareForDraggingOf:paths];
}
return YES;
}
- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
{
NSPasteboard *pb = [sender draggingPasteboard];
NSArray *paths = [pb propertyListForType:NSFilenamesPboardType];
NSLog(@"performDragOperation: %@", paths);
if (delegate &&
[delegate respondsToSelector:@selector(performDraggingOf:)])
{
return [delegate performDraggingOf:paths];
}
return YES;
}
- (void)concludeDragOperation:(id <NSDraggingInfo>)sender
{
NSPasteboard *pb = [sender draggingPasteboard];
NSArray *paths = [pb propertyListForType:NSFilenamesPboardType];
NSLog(@"Conclude drag operation");
if (delegate &&
[delegate respondsToSelector:@selector(concludeDraggingOf:)])
{
[delegate concludeDraggingOf:paths];
}
}
// --- NSDraggingSource protocol methods
- (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal
{
return NSDragOperationCopy;
}
@end
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