simpleeditviewcontroller.m

This is an example application that shows how to connect connect two iPhone devices using Bonjour wi

/*

File: SimpleEditViewController.m
Abstract: 
 View controller which allows the user to enter a small amount of text.
 

Version: 2.5

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no other rights or licenses, express or implied, are granted by Apple herein,
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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
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PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
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*/

#import "SimpleEditViewController.h"

@interface SimpleEditViewController ()
@property(nonatomic, retain) UITextField* textField;
@end

@implementation SimpleEditViewController

@synthesize delegate = _delegate;
@synthesize textField = _textField;

- (id)initWithTitle:(NSString*)title currentText:(NSString*)current {
	
	if ((self = [super init])) {
		self.title = title;
		self.view.backgroundColor = [UIColor groupTableViewBackgroundColor];

		// Add the "cancel" button to the navigation bar
		UIBarButtonItem *cancelButton = [[UIBarButtonItem alloc]
									   initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(cancelAction)];
		
		self.navigationItem.leftBarButtonItem = cancelButton;
		[cancelButton release];

		CGSize size = self.view.frame.size;
		CGRect rect = CGRectMake(5, 5, size.width-10, 30);
		
		_textField = [[UITextField alloc] initWithFrame:rect];
		
		_textField.text = current;
		_textField.autocorrectionType = UITextAutocorrectionTypeNo;
		_textField.autocapitalizationType = UITextAutocapitalizationTypeNone;
		_textField.borderStyle = UITextBorderStyleRoundedRect;
		_textField.textColor = [UIColor blackColor];
		_textField.font = [UIFont systemFontOfSize:17.0];
		_textField.backgroundColor = [UIColor clearColor];
		_textField.keyboardType = UIKeyboardTypeURL;
		_textField.returnKeyType = UIReturnKeyDone;
		_textField.clearButtonMode = UITextFieldViewModeWhileEditing;
		
		_textField.delegate = self;
		
		[self.view addSubview:_textField];
		
		[_textField becomeFirstResponder];
		
		cancelling = NO;
	}
	
	return self;
}


- (IBAction)cancelAction {
	cancelling = YES;
	[self.textField resignFirstResponder];
}


- (void)textFieldDidEndEditing:(UITextField *)textField {
	if (textField == self.textField) {
		[self.delegate simpleEditViewController:self didGetText:cancelling ? nil : self.textField.text];
	}
}


- (BOOL)textFieldShouldReturn:(UITextField *)textField {
	if (textField == self.textField) {
		[self.textField resignFirstResponder];
	}
	return YES;
}


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


@end