/*

     File: PrefsPane.m 

 Abstract: System Preference pane. 

  Version: 1.1 

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 */

#import "PrefsPane.h"

@implementation PrefsPane

// -------------------------------------------------------------------------------

//  initWithBundle:bundle

//

//  The preference pane is being initialized, remember our bundle ID for later.

// -------------------------------------------------------------------------------

-(id)initWithBundle:(NSBundle*)bundle

{

    if ((self = [super initWithBundle:bundle]) != nil)

    {

        // do more initialization here

    }

    return self;

}

// -------------------------------------------------------------------------------

//  assignMainView

//

//  Set key and focus view.

// -------------------------------------------------------------------------------

- (void)assignMainView

{

    [super assignMainView];

    // set the proper key view ordering

    [self setInitialKeyView:checkBox];

    [self setFirstKeyView:checkBox];

}

// -------------------------------------------------------------------------------

//  mainViewDidLoad

//

//  mainViewDidLoad is invoked by the default implementation of loadMainView

//  after the main nib file has been loaded and the main view of the preference

//  pane has been set.  The default implementation does nothing.  Override

//  this method to perform any setup that must be performed after the main

//  nib file has been loaded and the main view has been set.

// -------------------------------------------------------------------------------

- (void)mainViewDidLoad

{

    NSUserDefaults* standardUserDefaults = [NSUserDefaults standardUserDefaults];

    if (standardUserDefaults) 

    {

        NSString* strValue = [standardUserDefaults objectForKey:@"editText"];

        if (strValue != nil)

            [editField setStringValue: strValue];

        NSNumber* switchValue = [standardUserDefaults objectForKey:@"switch"];

        if (switchValue != nil)

            [checkBox setState: [switchValue intValue]];

    }

}

// -------------------------------------------------------------------------------

//  mainNibName

//

//  mainNibName is invoked by the default implementation of loadMainView.

//

//  The default implementation returns the value of the NSMainNibFile key

//  in the bundle's Info plist. You can override this if you want to

//  dynamically select the main nib file for this preference.

//

//  The value returned must NOT include the ".nib" extension.

// -------------------------------------------------------------------------------

- (NSString*)mainNibName

{

    // here you can decide to use an alternate nib file for different

    // system versions if you are so inclinded, but in our case we use one nib,

    // and two alternate views to present our UI.

    //

    return @"PrefsPane";

}

// -------------------------------------------------------------------------------

//  checkboxAction:

//

//  This method is called when the checkbox is checked/unchecked.

// -------------------------------------------------------------------------------

- (IBAction)checkboxAction:(id)sender

{

    // store the current checkbox value to our user defaults

    [[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithInteger: [sender state]] forKey:@"switch"];

}

// -------------------------------------------------------------------------------

//  editfieldAction:

//

//  This method is called when editing is committed/finished in our edit field.

// -------------------------------------------------------------------------------

- (IBAction)editfieldAction:(id)sender

{

    // store the current edit field value to our user defaults

    [[NSUserDefaults standardUserDefaults] setObject:[sender stringValue] forKey:@"editText"];

}

#pragma mark - delegate methods

// -------------------------------------------------------------------------------

//  willSelect:

// -------------------------------------------------------------------------------

- (void)willSelect

{

    NSLog(@"Our prefs panel is about to be selected.");

}

// -------------------------------------------------------------------------------

//  didSelect:

// -------------------------------------------------------------------------------

- (void)didSelect

{

    NSLog(@"Our prefs panel is selected.");

}

// -------------------------------------------------------------------------------

//  willUnselect:

// -------------------------------------------------------------------------------

- (void)willUnselect

{

    NSLog(@"Our prefs panel is about to be un-selected.");

}

// -------------------------------------------------------------------------------

//  didUnselect:

// -------------------------------------------------------------------------------

- (void)didUnselect

{

    NSLog(@"Our prefs panel is now un-selected.");

}

// -------------------------------------------------------------------------------

//  confirmSheetDidEnd:sheet:returnCode:contextInfo

// -------------------------------------------------------------------------------

- (void)confirmSheetDidEnd:(NSWindow*)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo

{

    [sheet orderOut:self];  // hide the sheet

    // decide how we want to unselect

    if (returnCode == NSAlertDefaultReturn)

        [self replyToShouldUnselect:NSUnselectNow];

    else

        [self replyToShouldUnselect:NSUnselectCancel];

}

// -------------------------------------------------------------------------------

//  shouldUnselect:

//

//  Delegate method to possibly block the unselection of this prefs pane.

// -------------------------------------------------------------------------------

- (NSPreferencePaneUnselectReply)shouldUnselect

{

    NSPreferencePaneUnselectReply result = NSUnselectNow;

    if ([[checkBox cell] state])    // confirm the dismissal if the checkbox is checked

    {

        // normally we return "NSUnslectNow", but since we are opening a sheet,

        // we need to return "NSUnselectLater" and have our "confirmSheetDidEnd" selector perform the dismissal decision

        //

        NSBeginAlertSheet(  @"You are about to exit this preference pane.",

                          @"Yes",

                          @"No",

                          nil,

                          [[self mainView] window],

                          self,

                          nil,

                          @selector(confirmSheetDidEnd:returnCode:contextInfo:),

                          nil,

                          @"Are you sure you want to exit?");

        result = NSUnselectLater;

    }

    return result;

}

@end