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/*
ProjectImageView.m
Implementation of the ProjectImageView class for the
ProjectManager application.
Copyright (C) 2005 Saso Kiselkov
This program 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 program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#import "ProjectImageView.h"
#import <Foundation/NSArray.h>
#import <AppKit/NSEvent.h>
#import <AppKit/NSPasteboard.h>
#import <AppKit/NSWindow.h>
#import <AppKit/NSDragging.h>
#import <AppKit/NSImage.h>
#import "FileManager.h"
#import "FileManagerDelegate.h"
#import "../../ProjectDocument.h"
#import "../../NSImageAdditions.h"
@implementation ProjectImageView
- (void) drawRect: (NSRect) r
{
[super drawRect: r];
if (showsLinkIndicator)
{
static NSImage * linkIndicator = nil;
if (linkIndicator == nil)
{
ASSIGN(linkIndicator, [NSImage imageNamed: @"LinkIndicator"
owner: self]);
}
[linkIndicator compositeToPoint: NSZeroPoint
operation: NSCompositeSourceOver];
}
}
- (void) mouseDown: (NSEvent *) ev
{
if ([ev clickCount] > 1)
{
[fileManager openFile: self];
}
else
{
ev = [[self window] nextEventMatchingMask: NSAnyEventMask];
if ([ev type] == NSLeftMouseDragged)
{
NSPasteboard * pb = [NSPasteboard pasteboardWithName: NSDragPboard];
NSArray * selectedFiles = [fileManager selectedFiles];
NSMutableArray * filePaths = [NSMutableArray arrayWithCapacity:
[selectedFiles count]];
NSEnumerator * e;
NSSize imgSize = [[self image] size];
NSString * filename;
draggingMask = NSDragOperationCopy | NSDragOperationMove |
NSDragOperationLink;
if (selectedFiles == nil)
{
return;
}
e = [selectedFiles objectEnumerator];
while ((filename = [e nextObject]) != nil)
{
BOOL isCategory = ([fileManager typeOfFileAtPath: filename] ==
FMFileTypeCategory);
NSString * path = [[fileManager delegate]
pathToFile: filename isCategory: isCategory];
// don't allow linking if the selection contains a category
if (isCategory)
{
draggingMask = draggingMask & (~NSDragOperationLink);
}
// don't allow moving if deleting the file isn't allowed
if (![[fileManager delegate] canDeletePath: filename])
{
draggingMask = draggingMask & (~NSDragOperationMove);
}
if (path != nil)
{
[filePaths addObject: path];
}
}
// we declare two types:
// ProjectsFilesPboardType - used when dragging files within
// the project. It declares the project and category
// where a file belongs.
// NSFilenamesPboardType - used in all other cases - when a file
// is dragged out of it's containing project, either to
// another project, or another file system location.
[pb declareTypes: [NSArray arrayWithObjects:
ProjectFilesPboardType, NSFilenamesPboardType, nil]
owner: nil];
[pb setPropertyList: [NSDictionary dictionaryWithObjectsAndKeys:
selectedFiles, @"Filenames",
[[fileManager document] fileName], @"Project",
nil]
forType: ProjectFilesPboardType];
[pb setPropertyList: filePaths forType: NSFilenamesPboardType];
[self dragImage: [self image]
at: [self convertPoint: [ev locationInWindow] fromView: nil]
offset: NSMakeSize(-(imgSize.width/2), -(imgSize.height/2))
event: ev
pasteboard: pb
source: self
slideBack: YES];
}
}
}
- (unsigned int)draggingSourceOperationMaskForLocal:(BOOL)isLocal
{
return draggingMask;
}
- (void) setShowsLinkIndicator: (BOOL) flag
{
showsLinkIndicator = flag;
[self setNeedsDisplay: YES];
}
- (BOOL) showsLinkIndicator
{
return showsLinkIndicator;
}
@end
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