/*

     File: AppController.m

 Abstract: Application controller object that manages a collection of Position objects containing offset and angle values.

  Version: 2.0

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 */

#import "AppController.h"

#import "JoystickView.h"

#import "Position.h"

@interface AppController ()

@property (weak) IBOutlet JoystickView *joystick;

@property (strong) IBOutlet NSArrayController *arrayController;

@property (strong) NSMutableArray *anArray;

@end

@implementation AppController

- (void)awakeFromNib

{

    // Create a dictionary to set the binding option to allow editing of multiple selections.

    NSDictionary *options = @{ NSAllowsEditingMultipleValuesSelectionBindingOption:@YES };

    /*

     Bind the array controller's content to self's anArray.

     */

    [self.arrayController bind:@"contentArray"

                     toObject:self

                     withKeyPath:@"anArray"

                     options:options];

    /*

     Bind the joystick's angle to the value for the "angle" key of the current selection in the array controller.

     */

    [self.joystick bind:@"angle"

              toObject:self.arrayController

              withKeyPath:@"selection.angle"

              options:options];

    /*

     Bind the joystick's offset to the value for the "offset" key of the current selection in the array controller.

     */

    [self.joystick bind:@"offset"

              toObject:self.arrayController

              withKeyPath:@"selection.offset"

              options:options];

    /*

     Create an array to contain Position objects.

     This will be managed by the array controller.

     */

    NSMutableArray *anArray = [NSMutableArray new];

    [anArray addObject:[Position new]];

    self.anArray = anArray;

}

/*

 Indexed accessor methods for 'anArray'.

 These are not strictly necessary, but make accessing the array by the array controller more efficient.

 See "Key-Value Coding Programming Guide > Key-Value Coding Accessor Methods" for more details.

 */

- (NSUInteger)countOfAnArray 

{

    return [self.anArray count];

}

- (id)objectInAnArrayAtIndex:(unsigned int)index 

{

    return [self.anArray objectAtIndex:index];

}

- (void)insertObject:(id)anObject inAnArrayAtIndex:(unsigned int)index 

{

    [self.anArray insertObject:anObject atIndex:index];

}

- (void)removeObjectFromAnArrayAtIndex:(unsigned int)index 

{

    [self.anArray removeObjectAtIndex:index];

}

- (void)replaceObjectInAnArrayAtIndex:(unsigned int)index withObject:(id)anObject 

{

    [self.anArray replaceObjectAtIndex:index withObject:anObject];

}

@end