/*

     File: AppDelegate.m

 Abstract: Application delegate class to act as the Services provider.  Services requests are routed to the current main document. The delegate also manages the application's preferences.

  Version: 1.1

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 */

#import "AppDelegate.h"

#import "MyDocument.h"

static NSString *DMKOpenUntitledDocumentOnLaunchKey = @"openUntitledDocumentOnLaunch";

NSString *DMKDisplayWindowAlphaKey = @"displayWindowAlpha";

NSString *DMKDisplayToolTipsKey = @"displayToolTips";

@implementation AppDelegate

@synthesize preferencesController;

#pragma mark -

#pragma mark Services

- (void)applicationDidFinishLaunching:(NSNotification *)notification {

    // Direct service requests to self.

    [NSApp setServicesProvider:self];

}

/*

 Service items apply to the main document.

 */

- (MyDocument *)mainDocument {

    NSArray *documents = [[NSDocumentController sharedDocumentController] documents];

    MyDocument *mainDocument = nil;

    if ([documents count] > 0) {

        mainDocument = [documents objectAtIndex:0];

    }

    return mainDocument;

}

- (void)getNextLine:(NSPasteboard *)pboard userData:(NSString *)data error:(NSString **)error {

    MyDocument *mainDocument = [self mainDocument];

    if (mainDocument != nil) {

        NSString *text = [mainDocument textForCurrentSelectionAndAdvance];

        [pboard clearContents];

        [pboard writeObjects:[NSArray arrayWithObject:text]];

    }

}

- (void)rewind:(NSPasteboard *)pboard userData:(NSString *)data error:(NSString **)error {

    [[self mainDocument] rewind];

}

- (void)moveDownOneLine:(NSPasteboard *)pboard userData:(NSString *)data error:(NSString **)error {

    [[self mainDocument] moveDownOneLine];

}

- (void)moveUpOneLine:(NSPasteboard *)pboard userData:(NSString *)data error:(NSString **)error {

    [[self mainDocument] moveUpOneLine];

}

- (void)createNewStep:(NSPasteboard *)pboard userData:(NSString *)data error:(NSString **)error {

    [[self mainDocument] createNewStep:pboard userData:data error:error];

}

#pragma mark -

#pragma mark User defaults

+ (void)initialize {    

    NSMutableDictionary *initialValues = [NSMutableDictionary dictionary];

    [initialValues setObject:[NSNumber numberWithBool:YES] forKey:DMKOpenUntitledDocumentOnLaunchKey];

    [initialValues setObject:[NSNumber numberWithInteger:1] forKey:DMKDisplayWindowAlphaKey];

    [initialValues setObject:[NSNumber numberWithBool:YES] forKey:DMKDisplayToolTipsKey];

    [[NSUserDefaultsController sharedUserDefaultsController] setInitialValues:initialValues];

}

- (BOOL)applicationShouldOpenUntitledFile:(NSApplication *)sender {

    return [[[[NSUserDefaultsController sharedUserDefaultsController] values] valueForKey:DMKOpenUntitledDocumentOnLaunchKey] boolValue];

}

- (IBAction)showPreferences:sender {

    if (preferencesController == nil) {

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

    }

    [preferencesController showWindow:self];

}

#pragma mark -

#pragma mark Memory management

- (void)dealloc {

    [preferencesController release];

    [super dealloc];

}

@end