AppDelegate.m

/*
     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