/*
     File: ToolbarViewController.m
 Abstract: The view controller for hosting the UIToolbar and UIBarButtonItem features of this sample.
  Version: 2.6
 
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#import "ToolbarViewController.h"
#import "AppDelegate.h"
#import "Constants.h"

@implementation ToolbarViewController

@synthesize barStyleSegControl, tintSwitch, buttonItemStyleSegControl, systemButtonPicker;
@synthesize toolbar, pickerViewArray;

- (void)dealloc
{	
    [toolbar release];
	[pickerViewArray release];
	
	[barStyleSegControl release];
	[tintSwitch release];
	[buttonItemStyleSegControl release];
	[systemButtonPicker release];
	
	[super dealloc];
}

// return the picker frame based on its size, positioned at the bottom of the page
- (CGRect)pickerFrameWithSize:(CGSize)size
{
	CGRect screenRect = [[UIScreen mainScreen] applicationFrame];
	CGRect pickerRect = CGRectMake(	0.0,
								   screenRect.size.height - 84.0 - size.height,
								   size.width,
								   size.height);
	return pickerRect;
}

- (void)createToolbarItems
{	
	// match each of the toolbar item's style match the selection in the "UIBarButtonItemStyle" segmented control
	UIBarButtonItemStyle style = [self.buttonItemStyleSegControl selectedSegmentIndex];

	// create the system-defined "OK or Done" button
    UIBarButtonItem *systemItem = [[UIBarButtonItem alloc]
									initWithBarButtonSystemItem:currentSystemItem
									target:self action:@selector(action:)];
	systemItem.style = style;
	
	// flex item used to separate the left groups items and right grouped items
	UIBarButtonItem *flexItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
																			   target:nil
																			   action:nil];
	
	// create a special tab bar item with a custom image and title
	UIBarButtonItem *infoItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"segment_tools.png"]
																  style:style
																 target:self
																 action:@selector(action:)];
	// Set the accessibility label for an image bar item.
	[infoItem setAccessibilityLabel:NSLocalizedString(@"ToolsIcon", @"")];
	
	// create a bordered style button with custom title
	UIBarButtonItem *customItem = [[UIBarButtonItem alloc] initWithTitle:@"Item"
																	style:style	// note you can use "UIBarButtonItemStyleDone" to make it blue
																   target:self
																   action:@selector(action:)];
	
	NSArray *items = [NSArray arrayWithObjects: systemItem, flexItem, customItem, infoItem, nil];
	[self.toolbar setItems:items animated:NO];
	
	[systemItem release];
	[flexItem release];
	[infoItem release];
	[customItem release];
}

// called after the view controller's view is released and set to nil.
// For example, a memory warning which causes the view to be purged. Not invoked as a result of -dealloc.
// So release any properties that are loaded in viewDidLoad or can be recreated lazily.
//
- (void)viewDidUnload
{
	[super viewDidUnload];
	
	// release and set to nil
	self.pickerViewArray = nil;
	self.toolbar = nil;
}

- (void)viewDidLoad
{
	[super viewDidLoad];
	
	// this list appears in the UIPickerView to pick the system's UIBarButtonItem
	self.pickerViewArray = [NSArray arrayWithObjects:
									@"Done",
									@"Cancel",
									@"Edit",  
									@"Save",  
									@"Add",
									@"FlexibleSpace",
									@"FixedSpace",
									@"Compose",
									@"Reply",
									@"Action",
									@"Organize",
									@"Bookmarks",
									@"Search",
									@"Refresh",
									@"Stop",
									@"Camera",
									@"Trash",
									@"Play",
									@"Pause",
									@"Rewind",
									@"FastForward",
									// new in 3.0 SDK:
									@"Undo",
									@"Redo",
								nil];
	
	self.title = NSLocalizedString(@"ToolbarTitle", @"");
	
	self.view.backgroundColor = [UIColor groupTableViewBackgroundColor];	// use the table view background color
	
	// create the UIToolbar at the bottom of the view controller
	//
	toolbar = [UIToolbar new];
	toolbar.barStyle = UIBarStyleDefault;
	
	// size up the toolbar and set its frame
	[toolbar sizeToFit];
	CGFloat toolbarHeight = [toolbar frame].size.height;
	CGRect mainViewBounds = self.view.bounds;
	[toolbar setFrame:CGRectMake(CGRectGetMinX(mainViewBounds),
								 CGRectGetMinY(mainViewBounds) + CGRectGetHeight(mainViewBounds) - (toolbarHeight * 2.0) + 2.0,
								 CGRectGetWidth(mainViewBounds),
								 toolbarHeight)];
	
	[self.view addSubview:toolbar];
	
	currentSystemItem = UIBarButtonSystemItemDone;
	[self createToolbarItems];
	
	// Set the accessibility label for the tint switch so that its context can be determined.
	[self.tintSwitch setAccessibilityLabel:NSLocalizedString(@"TintSwitch", @"")];
}

- (IBAction)toggleStyle:(id)sender
{
	UIBarButtonItemStyle style = UIBarButtonItemStylePlain;
	
	switch ([sender selectedSegmentIndex])
	{
		case 0:	// UIBarButtonItemStylePlain
		{
			style = UIBarButtonItemStylePlain;
			break;
		}
		case 1: // UIBarButtonItemStyleBordered
		{	
			style = UIBarButtonItemStyleBordered;
			break;
		}
		case 2:	// UIBarButtonItemStyleDone
		{
			style = UIBarButtonItemStyleDone;
			break;
		}
	}

	NSArray *toolbarItems = toolbar.items;
	UIBarButtonItem *item;
	for (item in toolbarItems)
	{
		item.style = style;
	}
}

- (IBAction)toggleBarStyle:(id)sender
{
	switch ([sender selectedSegmentIndex])
	{
		case 0:
			toolbar.barStyle = UIBarStyleDefault;
			break;
		case 1:
			toolbar.barStyle = UIBarStyleBlackOpaque;
			break;
		case 2:
			toolbar.barStyle = UIBarStyleBlackTranslucent;
			break;
	}
}

- (IBAction)toggleTintColor:(id)sender
{
	UISwitch *switchCtl = (UISwitch *)sender;
	if (switchCtl.on)
	{
		toolbar.tintColor = [UIColor redColor];
		barStyleSegControl.enabled = NO;
		barStyleSegControl.alpha = 0.50;
	}
	else
	{
		toolbar.tintColor = nil; // no color
		barStyleSegControl.enabled = YES;
		barStyleSegControl.alpha = 1.0;
	}
}

- (void)action:(id)sender
{
	//NSLog(@"UIBarButtonItem clicked");
}


#pragma mark -
#pragma mark UIPickerViewDelegate

- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
{
	// change the left most bar item to what's in the picker
	currentSystemItem = [pickerView selectedRowInComponent:0];
	[self createToolbarItems];	// this will re-create all the items
}


#pragma mark -
#pragma mark UIPickerViewDataSource

- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
{
	return [pickerViewArray objectAtIndex:row];
}

- (CGFloat)pickerView:(UIPickerView *)pickerView widthForComponent:(NSInteger)component
{
	return 240.0;
}

- (CGFloat)pickerView:(UIPickerView *)pickerView rowHeightForComponent:(NSInteger)component
{
	return 40.0;
}

- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
{
	return [pickerViewArray count];
}

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
{
	return 1;
}

@end