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SegmentViewController.m ( File view )

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			/*
     File: SegmentViewController.m 
 Abstract: The view controller for hosting the UISegmentedControl features of this sample. 
  Version: 2.10 
  
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 Inc. ("Apple") in consideration of your agreement to the following 
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 not agree with these terms, please do not use, install, modify or 
 redistribute this Apple software. 
  
 In consideration of your agreement to abide by the following terms, and 
 subject to these terms, Apple grants you a personal, non-exclusive 
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 "Apple Software"), to use, reproduce, modify and redistribute the Apple 
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 provided that if you redistribute the Apple Software in its entirety and 
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 Neither the name, trademarks, service marks or logos of Apple Inc. may 
 be used to endorse or promote products derived from the Apple Software 
 without specific prior written permission from Apple.  Except as 
 expressly stated in this notice, no other rights or licenses, express or 
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 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE 
 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION 
 THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS 
 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND 
 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. 
  
 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL 
 OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, 
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 Copyright (C) 2011 Apple Inc. All Rights Reserved. 
  
 */

#import "SegmentViewController.h"
#import "Constants.h"
#import <CoreText/CoreText.h>

#define kSegmentedControlHeight 40.0
#define kLabelHeight			20.0


@implementation SegmentViewController

+ (UILabel *)labelWithFrame:(CGRect)frame title:(NSString *)title
{

    UILabel *label = [[[UILabel alloc] initWithFrame:frame] autorelease];
    
	label.textAlignment = UITextAlignmentLeft;
    label.text = title;
    label.font = [UIFont boldSystemFontOfSize:17.0];
    label.textColor = [UIColor colorWithRed:76.0/255.0 green:86.0/255.0 blue:108.0/255.0 alpha:1.0];
    label.backgroundColor = [UIColor clearColor];
	
    return label;

}

- (void)segmentAction:(id)sender
{

	//NSLog(@"segmentAction: selected segment = %d", [sender selectedSegmentIndex]);

}

- (void)createControls
{

	NSArray *segmentTextContent = [NSArray arrayWithObjects: @"Check", @"Search", @"Tools", nil];
	
	// label
	CGFloat yPlacement = kTopMargin;
	CGRect frame = CGRectMake(kLeftMargin, yPlacement, self.view.bounds.size.width - (kRightMargin * 2.0), kLabelHeight);
	[self.view addSubview:[SegmentViewController labelWithFrame:frame title:@"UISegmentedControl:"]];
	
#pragma mark -
#pragma mark UISegmentedControl
	UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:
												[NSArray arrayWithObjects:
													[UIImage imageNamed:@"segment_check.png"],
													[UIImage imageNamed:@"segment_search.png"],
													[UIImage imageNamed:@"segment_tools.png"],
													nil]];
	yPlacement += kTweenMargin + kLabelHeight;
	frame = CGRectMake(	kLeftMargin,
						yPlacement,
						self.view.bounds.size.width - (kRightMargin * 2.0),
						kSegmentedControlHeight);
	segmentedControl.frame = frame;
	[segmentedControl addTarget:self action:@selector(segmentAction:) forControlEvents:UIControlEventValueChanged];
	segmentedControl.segmentedControlStyle = UISegmentedControlStylePlain;
	segmentedControl.selectedSegmentIndex = 1;	
	[self.view addSubview:segmentedControl];
	[segmentedControl release];
	
	// Add the appropriate accessibility label to each image.
	[[segmentedControl imageForSegmentAtIndex:0] setAccessibilityLabel:NSLocalizedString(@"CheckMarkIcon", @"")];
	[[segmentedControl imageForSegmentAtIndex:1] setAccessibilityLabel:NSLocalizedString(@"SearchIcon", @"")];
	[[segmentedControl imageForSegmentAtIndex:2] setAccessibilityLabel:NSLocalizedString(@"ToolsIcon", @"")];

	// label
	yPlacement += (kTweenMargin * 2.0) + kSegmentedControlHeight;
	frame = CGRectMake(	kLeftMargin,
						yPlacement,
						self.view.bounds.size.width - (kRightMargin * 2.0),
						kLabelHeight);
	[self.view addSubview:[SegmentViewController labelWithFrame:frame title:@"UISegmentControlStyleBordered:"]];
	
#pragma mark -
#pragma mark UISegmentControlStyleBordered
	segmentedControl = [[UISegmentedControl alloc] initWithItems:segmentTextContent];
	yPlacement += kTweenMargin + kLabelHeight;
	frame = CGRectMake(	kLeftMargin,
						yPlacement,
						self.view.bounds.size.width - (kRightMargin * 2.0),
						kSegmentedControlHeight);
	segmentedControl.frame = frame;
	[segmentedControl addTarget:self action:@selector(segmentAction:) forControlEvents:UIControlEventValueChanged];
	segmentedControl.segmentedControlStyle = UISegmentedControlStyleBordered;
	segmentedControl.selectedSegmentIndex = 1;
	
	[self.view addSubview:segmentedControl];
	[segmentedControl release];

	// label
	yPlacement += (kTweenMargin * 2.0) + kSegmentedControlHeight;
	frame = CGRectMake(	kLeftMargin,
					   yPlacement,
					   self.view.bounds.size.width - (kRightMargin * 2.0),
					   kLabelHeight);
	[self.view addSubview:[SegmentViewController labelWithFrame:frame title:@"UISegmentControlStyleBar:"]];
	
#pragma mark -
#pragma mark UISegmentControlStyleBar
	yPlacement += kTweenMargin + kLabelHeight;
	segmentedControl = [[UISegmentedControl alloc] initWithItems:segmentTextContent];
	frame = CGRectMake(	kLeftMargin,
					   yPlacement,
					   self.view.bounds.size.width - (kRightMargin * 2.0),
					   kSegmentedControlHeight);
	segmentedControl.frame = frame;
	[segmentedControl addTarget:self action:@selector(segmentAction:) forControlEvents:UIControlEventValueChanged];
	segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;
	segmentedControl.selectedSegmentIndex = 1;
	
	[self.view addSubview:segmentedControl];
	[segmentedControl release];
	
	// label
	yPlacement += (kTweenMargin * 2.0) + kSegmentedControlHeight;
	frame = CGRectMake(	kLeftMargin,
						yPlacement,
						self.view.bounds.size.width,
						kLabelHeight);
	[self.view addSubview:[SegmentViewController labelWithFrame:frame title:@"UISegmentControlStyleBar: (tinted)"]];
		
#pragma mark -
#pragma mark UISegmentedControl (red-tinted)
	segmentedControl = [[[UISegmentedControl alloc] initWithItems:segmentTextContent] autorelease];
	yPlacement += kTweenMargin + kLabelHeight;
	frame = CGRectMake(	kLeftMargin,
						yPlacement,
						self.view.bounds.size.width - (kRightMargin * 2.0),
						kSegmentedControlHeight);
	segmentedControl.frame = frame;
	[segmentedControl addTarget:self action:@selector(segmentAction:) forControlEvents:UIControlEventValueChanged];
	segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;	
	segmentedControl.tintColor = [UIColor colorWithRed:0.70 green:0.171 blue:0.1 alpha:1.0];
	segmentedControl.selectedSegmentIndex = 1;
	
	[self.view addSubview:segmentedControl];
    
#pragma mark -
#pragma mark UISegmentedControl (image background)
	// provide tint coloring and background image only if its available
    if ([segmentedControl respondsToSelector:@selector(setBackgroundImage:forState:barMetrics:)])
    {

        // label
        yPlacement += (kTweenMargin * 2.0) + kSegmentedControlHeight;
        frame = CGRectMake(	kLeftMargin,
                           yPlacement,
                           self.view.bounds.size.width,
                           kLabelHeight);
        [self.view addSubview:[SegmentViewController labelWithFrame:frame
                                                              title:@"UISegmentControlStyleBar: (image)"]];
    
        segmentedControl = [[UISegmentedControl alloc] initWithItems:segmentTextContent];
        yPlacement += kTweenMargin + kLabelHeight;
        frame = CGRectMake(	kLeftMargin,
                           yPlacement,
                           self.view.bounds.size.width - (kRightMargin * 2.0),
                           kSegmentedControlHeight);
        segmentedControl.frame = frame;
        [segmentedControl addTarget:self
                             action:@selector(segmentAction:)
                   forControlEvents:UIControlEventValueChanged];
        segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;	
        segmentedControl.selectedSegmentIndex = 1;
        [segmentedControl setBackgroundImage:[UIImage imageNamed:@"segmentedBackground"]
                                                         forState:UIControlStateNormal
                                                      barMetrics:UIBarMetricsDefault];
        
        [segmentedControl setDividerImage:[UIImage imageNamed:@"divider"]
                      forLeftSegmentState:UIControlStateNormal
                        rightSegmentState:UIControlStateNormal
                               barMetrics:UIBarMetricsDefault];
        
        NSDictionary* textAttributes = [NSDictionary dictionaryWithObjectsAndKeys:
                                            [UIColor blueColor], UITextAttributeTextColor,
                                            [UIFont systemFontOfSize:13], UITextAttributeFont,
                                        nil];
        [segmentedContr
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