//
//  Created by Jonathan Wight on 09/24/07
//  Copyright 2007 Toxic Software. All rights reserved.
//

#import "CAcornSpaceNavigator.h"

#import <QuartzCore/QuartzCore.h>

#import "CConnexionClient.h"

#import "Acorn.h"

@implementation CAcornSpaceNavigator

+ (id)plugin
{
return([[[self alloc] init] autorelease]);
}

- (void)willRegister:(id <ACPluginManager>)inPluginManager
{
[[CConnexionClient instance] setDelegate:self];
}

- (void)didRegister
{
NSMenuItem *theLayerMenu = [[NSApp mainMenu] itemAtIndex:4];
[[theLayerMenu submenu] addItem:[NSMenuItem separatorItem]];
NSString *theName = [NSString stringWithFormat:@"Thundercats Ho!"];
NSMenuItem *theMenuItem = [[theLayerMenu submenu] insertItemWithTitle:theName action:@selector(actionEnterTransformMode:) keyEquivalent:@"" atIndex:[[theLayerMenu submenu] numberOfItems]];
[theMenuItem setTarget:self];
}

- (IBAction)actionEnterTransformMode:(id)inSender
{
if (transformMode == NO)
	{
	transformMode = YES;
	
	id theDocument = [[NSDocumentController sharedDocumentController] currentDocument];
	if (theDocument == NULL) return;

	transform = [[NSAffineTransform transform] retain];

	id theCurrentLayer = [theDocument currentLayer];
	image = [[theCurrentLayer CIImage] retain];
	}
else
	{
	transformMode = YES;

	[transform autorelease];
	transform = NULL;

	[image autorelease];
	image = NULL;
	}
}


- (void)client:(CConnexionClient *)inClient didUpdateAxis:(CConnexionAxis)inAxis
{
NSEvent *theCurrentEvent = [[NSApplication sharedApplication] currentEvent];

const double X = [inClient xAxisWeighted];
const double Y = [inClient yAxisWeighted];
const double Z = [inClient zAxisWeighted];

const double RX = [inClient rxAxisWeighted];
const double RY = [inClient ryAxisWeighted];
const double RZ = [inClient rzAxisWeighted];

CGEventRef theEvent = CGEventCreate(NULL);
CGEventSetType(theEvent, kCGEventScrollWheel);
CGEventSetDoubleValueField(theEvent, kCGScrollWheelEventDeltaAxis1, -Y / 10000.0);
CGEventSetDoubleValueField(theEvent, kCGScrollWheelEventDeltaAxis2, -X / 10000.0);
CGEventPost(kCGHIDEventTap, theEvent);
CFRelease(theEvent);

id theDocument = [[NSDocumentController sharedDocumentController] currentDocument];
if (theDocument == NULL) return;
NSView *theCanvas = [[theDocument windowController] graphicView];
if (theCanvas == NULL) return;

double theScale = [theCanvas scale];
theScale += Z / 10.0;
[theCanvas setScale:theScale];

if (transformMode == YES)
	{
	if (RZ != 0.0)
		{
		CIImage *theImage = image;

		CGRect theImageExtent = [image extent];

		[transform translateXBy:theImageExtent.size.width / 2.0 yBy:theImageExtent.size.height / 2.0];
		[transform rotateByDegrees:RZ * 10.0];
		[transform translateXBy:-theImageExtent.size.width / 2.0 yBy:-theImageExtent.size.height / 2.0];
		
		CIFilter *theFilter = [CIFilter filterWithName:@"CIAffineTransform"];
		[theFilter setDefaults];
		[theFilter setValue:transform forKey:@"inputTransform"];
		[theFilter setValue:theImage forKey:@"inputImage"];
		
		theImage = [theFilter valueForKey:@"outputImage"];
		
		id theCurrentLayer = [theDocument currentLayer];
		[theCurrentLayer setCIImage:theImage usingUndo:YES];
		}
	}
}

@end