/*

File: CustomPicker.m
Abstract: A custom UIPicker that shows text and images.

Version: 1.7

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*/

#import "CustomPicker.h"
#import "CustomView.h"

@implementation CustomPicker

- (id)initWithFrame:(CGRect)frame
{
	self = [super initWithFrame:frame];
	if (self)
	{
		self.delegate = self;	
		
		pickerViews = [[NSMutableArray alloc] init];
		
		NSArray *statesArray = [NSArray arrayWithObjects:@"AK",@"AL",@"AR",@"AZ",@"CA",@"CO",@"CT",
					   @"DC",@"DE",@"FL",@"GA",@"HI",@"IA",@"ID",
					   @"IL",@"IN",@"KS",@"KY",@"LA",@"MA",@"MD",
					   @"ME",@"MI",@"MN",@"MO",@"MS",@"MT",@"NC",
					   @"ND",@"NE",@"NH",@"NJ",@"NM",@"NV",@"NY",
					   @"OH",@"OK",@"OR",@"PA",@"RI",@"SC",@"SD",
					   @"TN",@"TX",@"UT",@"VA",@"VT",@"WA",@"WI",
					   @"WV",@"WY",nil];
		
		for (int c = 0; c < [statesArray count]; c++){
			CustomView *cv = [[CustomView alloc] initWithFrame:CGRectZero];
			cv.title = [statesArray objectAtIndex:c];
			[pickerViews addObject:cv];
			[cv release];
		}		
	}
	return self;
}

- (void)dealloc
{
	[pickerViews release];
	[super dealloc];
}


#pragma mark UIPicker delegate methods

// tell the picker how many rows are available for a given component
- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
{
	return [pickerViews count];
}

// tell the picker which view to use for a given component and row
- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row
						forComponent:(NSInteger)component reusingView:(UIView *)view {
	return [pickerViews objectAtIndex:row];
}

// tell the picker how many components it will have
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
	return 1;
}

// tell the picker the title for a given component
- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
	return @"Select a state";
}

// tell the picker the width of each row for a given component
- (CGFloat)pickerView:(UIPickerView *)pickerView widthForComponent:(NSInteger)component {
		CustomView *viewToUse = [pickerViews objectAtIndex:0];
		return viewToUse.bounds.size.width;		
}
	

// tell the picker the height of each row for a given component (in our case we have one component)
- (CGFloat)pickerView:(UIPickerView *)pickerView rowHeightForComponent:(NSInteger)component
{
	CustomView *viewToUse = [pickerViews objectAtIndex:0];
	return viewToUse.bounds.size.height;
}

@end
