#import "ITKeyComboPanel.h"
#import "ITHotKey.h"
#import "ITKeyCombo.h"
#import "ITKeyBroadcaster.h"
#import "ITHotKeyCenter.h"

@implementation ITKeyComboPanel

static id _sharedKeyComboPanel = nil;

+ (id)sharedPanel {
	if (!_sharedKeyComboPanel) {
		_sharedKeyComboPanel = [[self alloc] init];
	}
	return _sharedKeyComboPanel;
}

- (id)init {
	return [self initWithWindowNibName:@"ITKeyComboPanel"];
}

- (void)dealloc {
	[[NSNotificationCenter defaultCenter] removeObserver:self];
	[mKeyName release];
	[super dealloc];
}

- (void)windowDidLoad {
	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(noteKeyBroadcast:) name:ITKeyBroadcasterKeyEvent object:mKeyBcaster];
}

- (void)_refreshContents {
	if (mComboField) {
		[mComboField setStringValue:[mKeyCombo description]];
	}
	if (mTitleField) {
		[mTitleField setStringValue:mKeyName];
	}
}

- (int)runModal {
	int resultCode;
	
	[self window]; //Force us to load
	
	[self _refreshContents];
	[[self window] center];
	[self showWindow:self];
	resultCode = [[NSApplication sharedApplication] runModalForWindow:[self window]];
	[self close];
	
	return resultCode;
}

- (void)runModalForHotKey:(ITHotKey *)hotKey {
	int resultCode;

	[self setKeyBindingName:[hotKey name]];
	[self setKeyCombo:[hotKey keyCombo]];

	resultCode = [self runModal];
	
	if (resultCode == NSOKButton) {
		[hotKey setKeyCombo:[self keyCombo]];
		[[ITHotKeyCenter sharedCenter] registerHotKey:hotKey];
	}
}

- (void)setKeyCombo:(ITKeyCombo *)combo {
	[mKeyCombo autorelease];
	mKeyCombo = [combo retain];
	[self _refreshContents];
}

- (ITKeyCombo *)keyCombo {
	return mKeyCombo;
}

- (void)setKeyBindingName:(NSString *)name {
	[mKeyName autorelease];
	mKeyName = [name retain];
	[self _refreshContents];
}

- (NSString *)keyBindingName {
	return mKeyName;
}

- (IBAction)ok:(id)sender {
	[[NSApplication sharedApplication] stopModalWithCode:NSOKButton];
}

- (IBAction)cancel:(id)sender {
	[[NSApplication sharedApplication] stopModalWithCode:NSCancelButton];
}

- (IBAction)clear:(id)sender {
	[self setKeyCombo:[ITKeyCombo clearKeyCombo]];
	[[NSApplication sharedApplication] stopModalWithCode:NSOKButton];
}

- (void)noteKeyBroadcast:(NSNotification *)note {
	ITKeyCombo *keyCombo = [[note userInfo] objectForKey:@"keyCombo"];
	[self setKeyCombo:keyCombo];
}

@end