bme-ios - iTravel

ITEditTripViewController-didFinishPickingMediaWithInfo.m

#pragma mark - from UIImagePickerDelegate

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    UIImage* selectedImage = 
      info[UIImagePickerControllerOriginalImage];
    self.imageView.image = selectedImage;
    [self dismissViewControllerAnimated:YES completion:nil];
    self.imageView.backgroundColor = [UIColor whiteColor];
}

ITEditTripViewController.h

//
//  ITEditTripViewController.h
//  iTravel
//

@class ITEditTripViewController;

#import <UIKit/UIKit.h>

@interface ITEditTripViewController : UIViewController <UITextViewDelegate, UIImagePickerControllerDelegate, UINavigationControllerDelegate>

@property (weak, nonatomic) IBOutlet UIImageView *imageView;
@property (weak, nonatomic) IBOutlet UITextField *nameTextField;
@property (weak, nonatomic) IBOutlet UITextField *locationTextField;
@property (weak, nonatomic) IBOutlet UITextView *descriptionTextView;

@end

ITEditTripViewController.m

//
//  ITEditTripViewController.m
//  iTravel
//

#import "ITEditTripViewController.h"

@interface ITEditTripViewController ()

- (IBAction)textFieldDidEndOnExit:(id)sender;
- (IBAction)textFieldEditingDidBegin:(UITextField *)sender;
- (IBAction)textFieldEditingDidEnd:(UITextField *)sender;
- (void)handeImageViewTap:(UITapGestureRecognizer*)recognizer;

@end

@implementation ITEditTripViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
	
    UITapGestureRecognizer* tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handeImageViewTap:)];
    self.imageView.userInteractionEnabled = YES;
    [self.imageView addGestureRecognizer:tapRecognizer];
    
    self.descriptionTextView.delegate = self;
}

- (void)viewDidUnload
{
    [self setImageView:nil];
    [self setNameTextField:nil];
    [self setLocationTextField:nil];
    [self setDescriptionTextView:nil];
    [super viewDidUnload];
}

- (IBAction)textFieldDidEndOnExit:(id)sender
{
    [sender resignFirstResponder];
}

- (IBAction)textFieldEditingDidBegin:(UITextField *)sender
{
    [UIView animateWithDuration:0.25
                          delay:0
                        options:UIViewAnimationCurveEaseInOut|UIViewAnimationOptionBeginFromCurrentState
                     animations:^{
                         self.view.frame = CGRectOffset(self.view.frame, 0, -100);
                     } completion:nil];
}

- (IBAction)textFieldEditingDidEnd:(UITextField *)sender
{
    [UIView animateWithDuration:0.25
                          delay:0
                        options:UIViewAnimationCurveEaseInOut|UIViewAnimationOptionBeginFromCurrentState
                     animations:^{
                         self.view.frame = CGRectOffset(self.view.frame, 0, 100);
                     } completion:nil];
}

- (void)handeImageViewTap:(UITapGestureRecognizer*)recognizer
{
    UIImagePickerController* pickerController = [[UIImagePickerController alloc] init];
    pickerController.delegate = self;
    pickerController.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
    [self presentViewController:pickerController animated:YES completion:nil];
}

#pragma mark - from UITextViewDelegate

- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
{
    if([text isEqualToString:@"\n"]) {
        [textView resignFirstResponder];
        return NO;
    }
    
    return YES;
}

- (void)textViewDidBeginEditing:(UITextView *)textView
{
    [UIView animateWithDuration:0.25
                          delay:0
                        options:UIViewAnimationCurveEaseInOut|UIViewAnimationOptionBeginFromCurrentState
                     animations:^{
        self.view.frame = CGRectOffset(self.view.frame, 0, -210);
    } completion:nil];
}

- (void)textViewDidEndEditing:(UITextView *)textView
{
    [UIView animateWithDuration:0.25
                          delay:0
                        options:UIViewAnimationCurveEaseInOut|UIViewAnimationOptionBeginFromCurrentState
                     animations:^{
                         self.view.frame = CGRectOffset(self.view.frame, 0, 210);
                     } completion:nil];
}

#pragma mark - from UIImagePickerDelegate

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    UIImage* selectedImage = [info objectForKey:UIImagePickerControllerOriginalImage];
    self.imageView.image = selectedImage;
    [self dismissViewControllerAnimated:YES completion:nil];
    self.imageView.backgroundColor = [UIColor whiteColor];
}

@end

ITTripDetailViewController-viewWillAppear.m

- (void)viewWillAppear:(BOOL)animated
{
    if (self.trip)
    {
        if (self.trip[@"image-name"])
            self.tripImageView.image = [UIImage imageNamed:self.trip[@"image-name"]];
        
        self.tripNameLabel.text = self.trip[@"name"];
        self.tripLocationLabel.text = self.trip[@"location"];
        self.tripDescriptionTextView.text = self.trip[@"description"];
        
        self.navigationItem.title = self.trip[@"name"];
    }
}

ITTripsViewController-cellForRowAtIndexPath.m

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"TripsTableViewCell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    
    NSDictionary* tripData =
        [_tripsDataMgr.trips objectAtIndex: indexPath.row];
    cell.textLabel.text = tripData[@"name"];
    cell.detailTextLabel.text = tripData[@"location"];
    
    NSString* tripImageName = tripData[@"image-name"];    
    cell.imageView.image = [UIImage imageNamed:tripImageName];
    
    return cell;
}

ITTripsViewController-editTripViewControllerDidSave.m

#pragma mark - New methods

- (IBAction)editTripViewControllerDidSave:(UIStoryboardSegue *)unwindSegue
{
    ITEditTripViewController* viewController = unwindSegue.sourceViewController;
    
    NSDictionary* tripDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
                                    viewController.nameTextField.text, @"name",
                                    viewController.locationTextField.text, @"location",
                                    viewController.descriptionTextView.text, @"description",
                                    viewController.imageView.image, @"image",
                                    nil];
    [_tripsDataMgr.trips addObject:tripDictionary];    
    [self.tableView reloadData];
}

- (IBAction)editTripViewControllerDidCancel:(UIStoryboardSegue *)unwindSegue
{
}

ITTripsViewController-heightForRowAtIndexPath.m

#define PADDING 60.0

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (indexPath.section == 0)
        return 190;
    else if (indexPath.section == 1 && indexPath.row == 2)
    {
        CGSize textSize = [self.trip[@"description"] sizeWithFont:[UIFont systemFontOfSize:14.0] 
          constrainedToSize:CGSizeMake(self.tableView.frame.size.width - PADDING, CGFLOAT_MAX) lineBreakMode:NSLineBreakByWordWrapping];
        
        return textSize.height+PADDING;
    }
    else
        return self.tableView.rowHeight;
}