Controller.m

/*
     File: Controller.m 
 Abstract: Main controller object for the SBSystemPrefs sample. 
  Version: 1.1 
  
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 */
 
#import "Controller.h"
#import "System Preferences.h"
 
 
@interface Controller (delegate) <SBApplicationDelegate>
@end
 
@implementation Controller
 
 
@synthesize prefPanes, prefPanesController, selectionWindow;
 
 
    /* quit-on-close housekeeping method - the application will quit
     when the main window is closed.  */
- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender {
    return YES;
}
 
    /* Part of the SBApplicationDelegate protocol.  Called when an error occurs in
     Scripting Bridge method. */
- (id)eventDidFail:(const AppleEvent *)event withError:(NSError *)error
{
    [[NSAlert alertWithMessageText:@"Error" defaultButton:@"OK" alternateButton:nil otherButton:nil
         informativeTextWithFormat: @"%@", [error localizedDescription]] runModal];
    return nil;
}
 
 
    /* methods for managing the select-and-display gui interaction. */
 
    /* populates the list in the select and display window using names
     retrieved from the System Preferences application and waits
     for the user to make a selection */
- (IBAction)selectPaneForDisplay:(id)sender {
    
        /* allocate a System Preferences Scripting Bridge object */
    SystemPreferencesApplication *systemPreferences =
        [SBApplication
            applicationWithBundleIdentifier:@"com.apple.systempreferences"];
    
        /* set ourself as the delegate to receive any errors */
    systemPreferences.delegate = self;
    
        /* add all of the preference panes to the list */
    NSArray *listOfPreferencePanes = [systemPreferences panes];
    
        /* set the array.  The array controller takes care of the display */
    self.prefPanes = [NSMutableArray arrayWithArray:listOfPreferencePanes];
 
        /* display the window */
    [self.selectionWindow makeKeyAndOrderFront:self];
    
        /* interact until a selection is made or the user cancels. */
    NSInteger modalResult = [NSApp runModalForWindow:self.selectionWindow];
    
        /* hide the window */
    [self.selectionWindow orderOut:self];
    
        /* if a row was selected, display the selected pane */
    if ( NSNotFound != modalResult ) {
        
        /* retrieve the selected one. */
        SystemPreferencesPane *selectedPane =
        (SystemPreferencesPane *) [[prefPanesController arrangedObjects]
                                   objectAtIndex: modalResult];
        
        /* bring the System Preferences app in front */
        [systemPreferences activate];
        
        /* ask the System Preferences to display the pane.  */
        systemPreferences.currentPane = selectedPane;
    }
    
        /* reset the array (releases the array of SystemPreferencesPanes
         managed by the array controller) */
    self.prefPanes = nil;
}
 
 
    /* called when the user clicks on the 'Show' button in the
     pane selection window. */
- (IBAction)displaySelectedPane:(id)sender {
 
        /* get the selected row from the table. */
    NSInteger theRow = [prefPanesController selectionIndex];
    
    if ( NSNotFound != theRow) {  /* if there is selected row... */
 
            /* done the modal loop, return row selection */
        [NSApp stopModalWithCode: theRow];
                
    }
}
 
 
    /* called when the user clicks on the 'Cancel' button in the
     pane selection window. */
- (IBAction)cancelSelectPaneForDisplay:(id)sender {
    
        /* done the modal loop, return no selection */
    [NSApp stopModalWithCode: NSNotFound];
}
 
 
 
 
 
    /* method for displaying one pane */
 
- (IBAction)displayUniversalAccess:(id)sender {
        
        /* allocate a System Preferences Scripting Bridge object */
    SystemPreferencesApplication *systemPreferences =
        [SBApplication
            applicationWithBundleIdentifier:@"com.apple.systempreferences"];
    
        /* set ourself as the delegate to receive any errors */
    systemPreferences.delegate = self;
    
        /* bring the System Preferences in front */
    [systemPreferences activate];
 
        /* display the Universal Access pane */
    systemPreferences.currentPane = (SystemPreferencesPane *)
        [[systemPreferences panes] objectWithID:@"com.apple.preference.universalaccess"];
}
 
@end