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//
// MQImageViewer.m
// MySQL QueryBrowser
//
// Created by Alfredo Kojima on 4/28/05.
// Copyright 2005 MySQL AB. All rights reserved.
//
#import "MQImageViewer.h"
#import <MySQLToolsCommon/mxUtils.h>
@interface MQDraggableImageView : NSImageView
{
}
@end
@implementation MQDraggableImageView
- (void)mouseDown:(NSEvent *)theEvent
{
NSSize dragOffset = NSMakeSize(0.0, 0.0);
NSPasteboard *pboard;
NSRect rect= [self frame];
NSSize imageSize= [[self image] size];
NSRect imageRect;
NSPoint pt;
pt= NSMakePoint(NSMidX(rect),NSMidY(rect));
imageRect.size= imageSize;
pt.x-= imageSize.width/2;
pt.y-= imageSize.height/2;
imageRect.origin= pt;
if (NSPointInRect([self convertPoint:[theEvent locationInWindow] fromView:nil],imageRect))
{
pboard = [NSPasteboard pasteboardWithName:NSDragPboard];
[pboard declareTypes:[NSArray arrayWithObject:NSTIFFPboardType] owner:self];
[pboard setData:[[self image] TIFFRepresentation] forType:NSTIFFPboardType];
[self dragImage:[self image] at:pt offset:dragOffset
event:theEvent pasteboard:pboard source:self slideBack:YES];
}
}
@end
@implementation MQImageViewer
+ (BOOL)canDisplayData:(NSData*)data
{
if ([NSImageRep imageRepClassForData:data])
return YES;
return NO;
}
- (id)initWithData:(NSData*)data
{
self= [super init];
if (self)
{
NSRect frame;
_image= [[NSImage alloc] initWithData:data];
frame= MXRectWithSize([_image size]);
_imageView= [[MQDraggableImageView alloc] initWithFrame:frame];
frame.size.width+= 2.0;
frame.size.height+= 2.0;
frame.size= [NSScrollView frameSizeForContentSize:frame.size
hasHorizontalScroller:YES
hasVerticalScroller:YES
borderType:NSGrooveBorder];
_scroll= [[NSScrollView alloc] initWithFrame:frame];
[_scroll setDocumentView:_imageView];
[_scroll setHasVerticalScroller:YES];
[_scroll setHasHorizontalScroller:YES];
[_scroll setBorderType:NSGrooveBorder];
[_scroll setAutoresizingMask:NSViewWidthSizable|NSViewHeightSizable];
[_imageView setImage:_image];
[_imageView setImageAlignment:NSImageAlignCenter];
[_imageView setImageFrameStyle:NSImageFrameNone];
[_imageView setAutoresizingMask:NSViewWidthSizable|NSViewHeightSizable];
[_imageView registerForDraggedTypes:
[NSArray arrayWithObject:NSTIFFPboardType]];
}
return self;
}
- (void)setData:(NSData*)data
{
NSImage *image= [[NSImage alloc] initWithData:data];
NSRect frame= MXRectWithSize([image size]);
[_imageView setFrame:frame];
[_imageView setImage:image];
[image release];
}
- (NSString*)label
{
return @"Image";
}
- (NSView*)view
{
return _scroll;
}
- (void)setEditable:(BOOL)flag
{
#ifdef MAC_OS_X_VERSION_10_4
[_imageView setAllowsCutCopyPaste:flag];
#endif
}
- (void)dealloc
{
[_image release];
[_imageView release];
[_scroll release];
[super dealloc];
}
@end
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