/*File: ToolbarViewController.mAbstract: The view controller for hosting the UIToolbar and UIBarButtonItemfeatures of this sample.Version: 1.7Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Inc.("Apple") in consideration of your agreement to the following terms, and youruse, installation, modification or redistribution of this Apple softwareconstitutes acceptance of these terms.  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All Rights Reserved.*/#import "ToolbarViewController.h"#import "AppDelegate.h"#import "Constants.h"@implementation ToolbarViewController- (id)init{	self = [super init];	if (self)	{		// this title will appear in the navigation bar		self.title = NSLocalizedString(@"ToolbarTitle", @"");	}	return self;}- (void)dealloc{	    [toolbar release];	[pickerViewArray release];	[styleSegmentedControl 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 - kToolbarHeight - 44.0 - size.height,								   size.width,								   size.height);	return pickerRect;}- (void)createPicker{	// this list appears in the UIPickerView to pick the system's UIBarButtonItem	pickerViewArray = [[NSArray arrayWithObjects:						@"Done",						@"Cancel",						@"Edit",  						@"Save",  						@"Add",						@"FlexibleSpace",						@"FixedSpace",						@"Compose",						@"Reply",						@"Action",						@"Organize",						@"Bookmarks",						@"Search",						@"Refresh",						@"Stop",						@"Camera",						@"Trash",						@"Play",						@"Pause",						@"Rewind",						@"FastForward",						nil] retain];		// note we are using CGRectZero for the dimensions of our picker view,	// this is because picker views have a built in optimum size,	// you just need to set the correct origin in your view.	//	// position the picker at the bottom	UIPickerView *myPickerView = [[UIPickerView alloc] initWithFrame:CGRectZero];	CGSize pickerSize = [myPickerView sizeThatFits:CGSizeZero];	myPickerView.frame = [self pickerFrameWithSize:pickerSize];		myPickerView.autoresizingMask = UIViewAutoresizingFlexibleWidth;	myPickerView.delegate = self;	myPickerView.showsSelectionIndicator = YES;	// note this is default to NO		// add this picker to our view controller, initially hidden	[self.view addSubview:myPickerView];	[myPickerView release];}- (void)createToolbarItems{		// match each of the toolbar item's style match the selection in the "UIBarButtonItemStyle" segmented control	UIBarButtonItemStyle style = [styleSegmentedControl 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:)];		// 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];	[toolbar setItems:items animated:NO];		[systemItem release];	[flexItem release];	[infoItem release];	[customItem release];}- (void)loadView{	CGRect screenRect = [[UIScreen mainScreen] applicationFrame];		// setup our parent content view and embed it to your view controller	//	UIView *contentView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];	contentView.autoresizesSubviews = YES;	contentView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);	contentView.backgroundColor = [UIColor groupTableViewBackgroundColor];	// use the table view background color	self.view = contentView;	[contentView release];		// create the segmented control to control the style content of the bottom UIToolbar	//	styleSegmentedControl = [[UISegmentedControl alloc] initWithItems:												[NSArray arrayWithObjects:@"Plain", @"Bordered", @"Done", nil]];	[styleSegmentedControl addTarget:self action:@selector(toggleStyle:) forControlEvents:UIControlEventValueChanged];	styleSegmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;    styleSegmentedControl.backgroundColor = [UIColor clearColor];	[styleSegmentedControl sizeToFit];	styleSegmentedControl.selectedSegmentIndex = 0;	CGRect segmentedControlFrame = CGRectMake(kRightMargin,											  kTweenMargin + 20.0,											  screenRect.size.width - (kRightMargin * 2.0),											  kSegmentedControlHeight);    styleSegmentedControl.frame = segmentedControlFrame;	[self.view addSubview:styleSegmentedControl];	[styleSegmentedControl release];		// create the label for our UIBarButtonItemStyle segmented control	//	CGRect labelFrame = CGRectMake(	0.0,									kTweenMargin,									self.view.bounds.size.width,									20.0);	UILabel *label = [[UILabel alloc] initWithFrame:labelFrame];    label.font = [UIFont systemFontOfSize: 12];	label.text = @"UIBarButtonItemStyle";	label.textAlignment = UITextAlignmentCenter;	label.textColor = [UIColor blackColor];	label.backgroundColor = [UIColor clearColor];	[self.view addSubview:label];	[label release];		// create the segmented control to control the style content of the bottom UIToolbar	//	UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:											[NSArray arrayWithObjects:@"Default", @"Black", @"Translucent", nil]];	[segmentedControl addTarget:self action:@selector(toggleBarStyle:) forControlEvents:UIControlEventValueChanged];	segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;    segmentedControl.backgroundColor = [UIColor clearColor];	[segmentedControl sizeToFit];	segmentedControl.selectedSegmentIndex = 0;	segmentedControlFrame = CGRectMake(	kRightMargin,										75.0 + 20.0,										screenRect.size.width - (kRightMargin * 2.0),										kSegmentedControlHeight);    segmentedControl.frame = segmentedControlFrame;	[self.view addSubview:segmentedControl];	[segmentedControl release];		// create the label for our UIBarStyle segmented control	//	labelFrame = CGRectMake(0.0, 70.0, self.view.bounds.size.width, kTextFieldHeight);	label = [[UILabel alloc] initWithFrame:labelFrame];    label.font = [UIFont systemFontOfSize: 12];	label.text = @"UIBarStyle";	label.textAlignment = UITextAlignmentCenter;	label.textColor = [UIColor blackColor];	label.backgroundColor = [UIColor clearColor];	[self.view addSubview:label];	[label release];		// create the picker to choose between UIBarButtonSystemItems	[self createPicker];		// create the label for our UIBarStyle segmented control	//	labelFrame = CGRectMake(0.0, 135.0, self.view.bounds.size.width, kTextFieldHeight);	label = [[UILabel alloc] initWithFrame:labelFrame];    label.font = [UIFont systemFontOfSize: 12];	label.text = @"UIBarButtonSystemItem";	label.textAlignment = UITextAlignmentCenter;	label.textColor = [UIColor blackColor];	label.backgroundColor = [UIColor clearColor];	[self.view addSubview:label];	[label release];		// 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];}- (void)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;	}}- (void)toggleBarStyle:(id)sender{	switch ([sender selectedSegmentIndex])	{		case 0:			toolbar.barStyle = UIBarStyleDefault;			break;		case 1:			toolbar.barStyle = UIBarStyleBlackOpaque;			break;		case 2:			toolbar.barStyle = UIBarStyleBlackTranslucent;			break;	}}- (void)action:(id)sender{	NSLog(@"UIBarButtonItem clicked");}- (void)didReceiveMemoryWarning{	// Invoke super's implementation to do the Right Thing, but also release the input controller since we can do that		// In paractice this is unlikely to be used in this application, and it would be of little benefit,	// but the principle is the imporant thing	//	[super didReceiveMemoryWarning];}#pragma mark -#pragma mark PickerView delegate methods- (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}- (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