iOS/Tombo/Tombo/DetailViewController.m

   1 #import "DetailViewController.h"
   2 #import "EditViewController.h"
   3 #import "MasterViewController.h"
   4 #import "PasswordManager.h"
   5 #import "Storage.h"
   6
   7 @interface DetailViewController ()
   8
   9 @end
  10
  11 @implementation DetailViewController
  12 @synthesize text = _text;
  13 @synthesize item = _item;
  14 @synthesize master = _master;
  15 @synthesize storage = _storage;
  16 @synthesize passwordManager = _passwordManager;
  17 @synthesize delegate = _delegate;
  18
  19 #pragma mark - framework
  20 - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
  21 {
  22     self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
  23     if (self) {
  24         // Custom initialization
  25     }
  26     return self;
  27 }
  28
  29 - (void)viewDidLoad
  30 {
  31     [super viewDidLoad];
  32
  33     [self.navigationController setToolbarHidden:NO];
  34     NSString *btnTitle;
  35     if (self.item != nil) {
  36         if (self.item.isCrypt) {
  37             btnTitle = @"Decrypt";
  38         } else {
  39             btnTitle = @"Encrypt";
  40         }
  41         UIBarButtonItem *cryptBtn = [[UIBarButtonItem alloc] initWithTitle:btnTitle
  42                                                                      style:UIBarButtonItemStyleBordered
  43                                                                     target:self
  44                                                                     action:@selector(crypt:)];
  45         [self setToolbarItems:[NSArray arrayWithObjects:cryptBtn, nil] animated:YES];
  46     }
  47
  48     [self loadNote];
  49 }
  50
  51 - (void)viewDidUnload
  52 {
  53     [self setText:nil];
  54     [self setText:nil];
  55     [super viewDidUnload];
  56     // Release any retained subviews of the main view.
  57 }
  58
  59 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
  60 {
  61         return YES;
  62 }
  63
  64 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
  65     if ([[segue identifier] isEqualToString:@"editNote"]) {
  66         EditViewController *edit = (EditViewController*)[[[segue destinationViewController] viewControllers] objectAtIndex:0];
  67         self.item.body = self.text.text;
  68
  69         edit.detailItem = self.item;
  70         edit.delegate = self.master;
  71     }
  72 }
  73
  74 #pragma mark - Logic
  75
  76 - (void)crypt:(id)sender {
  77     if (self.item.isCrypt) {
  78         // Decrypting
  79         /*
  80         void (^callback)(NSString *) = ^(NSString *password) {
  81             FileItem *newItem = [self.storage decrypt:password item:self.item];
  82             if (newItem) {
  83                 [self.delegate detailViewFileItemChanged:self.item to:newItem];
  84                 self.item = newItem;
  85             }
  86         };
  87         // Callback request to passwordManager.
  88         [self.passwordManager requestPassword:callback];
  89          */
  90         if ([self.passwordManager preparePassword]) {
  91             FileItem *newItem = [self.storage decrypt:self.passwordManager.password item:self.item];
  92             if (newItem) {
  93                 [self.delegate detailViewFileItemChanged:self.item to:newItem];
  94                 self.item = newItem;
  95             } else {
  96                 UIAlertView *decFail = [[UIAlertView alloc]initWithTitle:@"Info" message:@"Decrypt failed." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
  97                 [decFail show];
  98             }
  99         }
 100     } else {
 101         // Encrypting
 102         if ([self.passwordManager preparePasswordConfirm]) {
 103             FileItem *newItem = [self.storage encrypt:self.passwordManager.password item:self.item];
 104             if (newItem) {
 105                 [self.delegate detailViewFileItemChanged:self.item to:newItem];
 106                 self.item = newItem;
 107             }
 108         }
 109     }
 110 }
 111
 112 - (void)loadNote {
 113     if (!self.item) return;
 114
 115     if (self.item.isCrypt) {
 116         NSString *note = [Storage loadCryptFile:self.item.path password:self.passwordManager.password];
 117         if (note) {
 118             self.text.text = note;
 119         }
 120     } else {
 121         NSString *note = [Storage load:self.item.path];
 122         if (note) {
 123             self.text.text = note;
 124         } else {
 125             self.text.text = @"";
 126         }
 127     }
 128 }
 129
 130 - (void)setItem:(FileItem *)item {
 131     _item = item;
 132     if (item.isNewItem) {
 133         self.text.text = @"";
 134     } else {
 135         // On iPhone and call by segue, self.text is nil because view is not loaded yet.
 136         if (self.text) {
 137             [self loadNote];
 138         }
 139     }
 140 }
 141 @end