//
//  PSDragView.m
//  Perforce
//
//  Created by Adam Czubernat on 21.06.2014.
//  Copyright (c) 2014 Perforce Software, Inc. All rights reserved.
//

#import "PSDragView.h"

@implementation PSDragView
@synthesize dragObject, dragType;

- (void)mouseDragged:(NSEvent *)theEvent {
	
	if (!dragObject || !dragType)
		return;
	
	NSBitmapImageRep *bitmap = [self bitmapImageRepForCachingDisplayInRect:self.bounds];
	[self cacheDisplayInRect:self.bounds toBitmapImageRep:bitmap];
	NSImage *image = [[NSImage alloc] init];
	[image addRepresentation:bitmap];
	
	// Making image appear exactly on view position
	CGPoint point = [self convertPoint:theEvent.locationInWindow fromView:nil];
	CGPoint offset = [self.superview convertPoint:point toView:self];
	point.x -= offset.x;
	point.y += offset.y;
	
    NSPasteboardItem *pboardItem = [[NSPasteboardItem alloc] init];
	[pboardItem setPropertyList:dragObject forType:dragType];

    NSDraggingItem *dragItem = [[NSDraggingItem alloc] initWithPasteboardWriter:pboardItem];
	[dragItem setDraggingFrame:(CGRect){ point, self.frame.size } contents:image];
    NSDraggingSession *session = [self beginDraggingSessionWithItems:@[ dragItem ]
															   event:theEvent
															  source:nil];
    session.animatesToStartingPositionsOnCancelOrFail = YES;
}

@end