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Controller.m
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Controller.m
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#import "Controller.h"
@implementation Controller
- (IBAction)decrease {
NSLog(@"decrease clicked");
[self changeNumberOfSides:[numberOfSidesLabel.text integerValue] - 1];
[self updateInterface];
}
- (IBAction)increase {
NSLog(@"increase clicked");
[self changeNumberOfSides:[numberOfSidesLabel.text integerValue] + 1];
[self updateInterface];
}
- (IBAction)sliderChanged {
NSLog(@"slider changed");
[self changeNumberOfSides:slider.value];
[self updateInterface];
}
-(void)changeNumberOfSides:(int)numOfSides {
[polygon setNumberOfSides:numOfSides];
[defaults setInteger:numOfSides forKey:@"numberOfSides"];
}
- (void)updateInterface {
NSLog(@"updating interface");
decreaseButton.enabled = ([polygon numberOfSides] > [polygon minimumNumberOfSides]);
increaseButton.enabled = ([polygon numberOfSides] < [polygon maximumNumberOfSides]);
numberOfSidesLabel.text = [[NSNumber numberWithInt:[polygon numberOfSides]] stringValue];
slider.value = [polygon numberOfSides];
[polygonView setNeedsDisplay];
}
- (void)awakeFromNib {
//setup defaults
defaults = [NSUserDefaults standardUserDefaults];
if (![defaults integerForKey:@"numberOfSides"]) {
[defaults setInteger:5 forKey:@"numberOfSides"];
}
NSLog(@"numberOfSides is %d", [defaults integerForKey:@"numberOfSides"]);
[polygon setMinimumNumberOfSides:[defaults integerForKey:@"minNumberOfSides"]];
[polygon setMaximumNumberOfSides:[defaults integerForKey:@"maxNumberOfSides"]];
[polygon setNumberOfSides:[defaults integerForKey:@"numberOfSides"]];
slider.minimumValue = polygon.minimumNumberOfSides;
slider.maximumValue = polygon.maximumNumberOfSides;
slider.value = polygon.numberOfSides;
[self updateInterface];
NSLog(@"Configured polygon: %@", polygon);
}
@end