/*

     File: FunHouseAppDelegate.m

 Abstract: n/a

  Version: 2.1

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 */

#import "FunHouseAppDelegate.h"

#import "EffectStackController.h"

@implementation FunHouseAppDelegate

+ (void)setupDefaults

{

    NSDictionary *userDefaultsValuesDict;

    userDefaultsValuesDict=[NSDictionary dictionaryWithObject:[NSNumber numberWithBool:NO] forKey:@"useSoftwareRenderer"];

    // set them in the standard user defaults

    [[NSUserDefaults standardUserDefaults] registerDefaults:userDefaultsValuesDict];

}

- (void)applicationWillFinishLaunching:(NSNotification *)notification

{

    [FunHouseAppDelegate setupDefaults];

}

// application delegates implement this to accomplish tasks right after the application launches

// in this case, I copy the example images from the application package to the ~/Library/Application Support/Core Image Fun House/Example Images folder

// we also automatically open a file on launch if we're not already opening one (by drag or double-click)

- (void)applicationDidFinishLaunching:(NSNotification *)notification

{

    BOOL isDir;

    NSInteger i, count;

    NSError *err;

    NSOpenPanel *op;

    NSString *path, *path2, *source, *file, *sourcefile, *destfile;

    NSBundle *bundle;

    NSFileManager *manager;

    NSArray *files;

    // "Start Dictation..." and "Special Characters..." are not relevant to this application

    // remove these automatically-added entries from the Edit menu

    NSMenu* edit = [[[[NSApplication sharedApplication] mainMenu] itemWithTitle: @"Edit"] submenu];

    if ([[edit itemAtIndex: [edit numberOfItems] - 1] action] == NSSelectorFromString(@"orderFrontCharacterPalette:"))

        [edit removeItemAtIndex: [edit numberOfItems] - 1];

    if ([[edit itemAtIndex: [edit numberOfItems] - 1] action] == NSSelectorFromString(@"startDictation:"))

        [edit removeItemAtIndex: [edit numberOfItems] - 1];

    if ([[edit itemAtIndex: [edit numberOfItems] - 1] isSeparatorItem])

        [edit removeItemAtIndex: [edit numberOfItems] - 1];

    [self showEffectStackAction:self];

    // decide if images have yet been copied to ~/Library/Application Support/Core Image Fun House/Example Images

    path = @"~/Library/Application Support/Core Image Fun House";

    path = [path stringByExpandingTildeInPath];

    path2 = [path stringByAppendingString:@"/Example Images Folder"];

    manager = [NSFileManager defaultManager];

    if (![manager fileExistsAtPath:path isDirectory:&isDir])

    {

        // otherwise we need to create the ~/Library/Application Support/Core Image Fun House folder

        [manager createDirectoryAtPath:path withIntermediateDirectories:NO attributes:nil error:&err];

        [manager createDirectoryAtPath:path2 withIntermediateDirectories:NO attributes:nil error:&err];

        bundle = [NSBundle bundleForClass:[self class]];

        source = [[bundle resourcePath] stringByAppendingString:@"/Images"];

        // and copy the files

        files = [manager contentsOfDirectoryAtPath:source error:&err];

        count = [files count];

        for (i = 0; i < count; i++)

        {

            file = [files objectAtIndex:i];

            sourcefile = [[source stringByAppendingString:@"/"] stringByAppendingString:file];

            destfile = [[path2 stringByAppendingString:@"/"] stringByAppendingString:file];

            [manager copyItemAtPath:sourcefile toPath:destfile error:&err];

        }

    }

    // only automatically open a file if none has already been opened

    if ([[[NSDocumentController sharedDocumentController] documents] count] == 0)

    {

        // open a file at launch from the ~/Library/Application Support/Core Image Fun House/Example Images folder

        op = [NSOpenPanel openPanel];

        [op setAllowsMultipleSelection:NO];

        [op setDirectoryURL:[NSURL fileURLWithPath:path2 isDirectory:YES]];

        [op setAllowedFileTypes:[NSArray arrayWithObjects:@"jpeg", @"jpg", @"tiff", @"tif", @"png", @"crw", @"cr2", @"raf", @"mrw", @"nef", @"srf", @"exr", @"funhouse", nil]];

        if ([op runModal] == NSOKButton)

            [[NSDocumentController sharedDocumentController] openDocumentWithContentsOfURL:[[op URLs] objectAtIndex:0] display:YES error:&err];

    }

}

- (IBAction)showPreferences:(id)sender

{

    if (_preferencesWindowController) {

        [_preferencesWindowController release];

        _preferencesWindowController = nil;

    }

    _preferencesWindowController = [[NSWindowController alloc] initWithWindowNibName:@"Preferences"];

    // Make the panel appear in a good default location.

    [[_preferencesWindowController window] center];

    [_preferencesWindowController showWindow:sender];

}

// handle the show effect stack menu item action

- (IBAction)showEffectStackAction:(id)sender

{

    [[EffectStackController sharedEffectStackController] showWindow:sender];

}

// don't open an untitled file at the start

- (BOOL)applicationShouldOpenUntitledFile:(NSApplication *)sender

{

    return NO;

}

// this gets called when gthe application is just ready to quit

- (void)applicationWillTerminate:(NSNotification *)aNotification

{

    // close down the effect stack controller so that it's position will be saved in a closed state

    // note: if it's not closed down when the application terminates, then the window will precess

    // down the screen the next time the application is launched

    [[EffectStackController sharedEffectStackController] closeDown];

}

// handle the zoom to full screen menu item action

- (IBAction)zoomToFullScreenAction:(id)sender

{

    [[[NSDocumentController sharedDocumentController] currentDocument] zoomToFullScreenAction:sender];

}

// handle the undo menu item action

- (IBAction)undo:(id)sender

{

    [[[NSDocumentController sharedDocumentController] currentDocument] undo];

}

// handle the redo menu item action

- (IBAction)redo:(id)sender

{

    [[[NSDocumentController sharedDocumentController] currentDocument] redo];

}

// validate (enable/disable) undo and redo menu items

- (BOOL)validateMenuItem:(NSMenuItem *)item

{

    NSUndoManager *um = [[[NSDocumentController sharedDocumentController] currentDocument] undoManager];

    if ([[[item menu] title] isEqualToString:@"Edit"])

    {

        if ([[[item title] substringToIndex:4] isEqualToString:@"Undo"])

        {

            [item setTitle:[um undoMenuItemTitle]];

            return [um canUndo];

        }

        else if ([[[item title] substringToIndex:4] isEqualToString:@"Redo"])

        {

            [item setTitle:[um redoMenuItemTitle]];

            return [um canRedo];

        }

    }

    return YES;

}

@end