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     if (self.item != nil) {
  35         [self setupToolbar];
  36     }
  37
  38     [self loadNote];
  39 }
  40
  41 - (void)setupToolbar {
  42     NSString *btnTitle;
  43     if (self.item.isCrypt) {
  44         btnTitle = @"Decrypt";
  45     } else {
  46         btnTitle = @"Encrypt";
  47     }
  48     UIBarButtonItem *cryptBtn = [[UIBarButtonItem alloc] initWithTitle:btnTitle
  49                                                                  style:UIBarButtonItemStyleBordered
  50                                                                 target:self
  51                                                                 action:@selector(crypt:)];
  52     UIBarButtonItem *moveBtn = [[UIBarButtonItem alloc] initWithTitle:@"Move"
  53                                                                 style:UIBarButtonItemStyleBordered
  54                                                                target:self
  55                                                                action:@selector(move:)];
  56     [self setToolbarItems:[NSArray arrayWithObjects:cryptBtn, moveBtn, nil] animated:NO];
  57
  58 }
  59
  60 - (void)viewDidUnload
  61 {
  62     [self setText:nil];
  63     [self setText:nil];
  64     [super viewDidUnload];
  65     // Release any retained subviews of the main view.
  66 }
  67
  68 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
  69 {
  70         return YES;
  71 }
  72
  73 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
  74     if ([[segue identifier] isEqualToString:@"editNote"]) {
  75         EditViewController *edit = (EditViewController*)[[[segue destinationViewController] viewControllers] objectAtIndex:0];
  76         self.item.body = self.text.text;
  77
  78         edit.detailItem = self.item;
  79         edit.delegate = self.master;
  80     } else if ([[segue identifier] isEqualToString:@"moveNote"]) {
  81         MoveViewController *move = (MoveViewController*)[[[segue destinationViewController] viewControllers] objectAtIndex:0];
  82         move.delegate = self;
  83         move.folders = [self.storage listFolders];
  84     }
  85 }
  86
  87 #pragma mark - Logic
  88
  89 - (void)crypt:(id)sender {
  90     if (self.item.isCrypt) {
  91         // Decrypting
  92         /*
  93         void (^callback)(NSString *) = ^(NSString *password) {
  94             FileItem *newItem = [self.storage decrypt:password item:self.item];
  95             if (newItem) {
  96                 [self.delegate detailViewFileItemChanged:self.item to:newItem];
  97                 self.item = newItem;
  98             }
  99         };
 100         // Callback request to passwordManager.
 101         [self.passwordManager requestPassword:callback];
 102          */
 103         if ([self.passwordManager preparePassword]) {
 104             FileItem *newItem = [self.storage decrypt:self.passwordManager.password item:self.item];
 105             if (newItem) {
 106                 [self.delegate detailViewFileItemChanged:self.item to:newItem];
 107                 self.item = newItem;
 108             } else {
 109                 UIAlertView *decFail = [[UIAlertView alloc]initWithTitle:@"Info" message:@"Decrypt failed." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
 110                 [decFail show];
 111             }
 112         }
 113     } else {
 114         // Encrypting
 115         if ([self.passwordManager preparePasswordConfirm]) {
 116             FileItem *newItem = [self.storage encrypt:self.passwordManager.password item:self.item];
 117             if (newItem) {
 118                 [self.delegate detailViewFileItemChanged:self.item to:newItem];
 119                 self.item = newItem;
 120             }
 121         }
 122     }
 123 }
 124
 125 - (void)move:(id)sender {
 126     [self performSegueWithIdentifier:@"moveNote" sender:self];
 127 }
 128
 129 - (void)loadNote {
 130     if (!self.item) return;
 131
 132     if (self.item.isCrypt) {
 133         NSString *note = [Storage loadCryptFile:self.item.path password:self.passwordManager.password];
 134         if (note) {
 135             self.text.text = note;
 136         }
 137     } else {
 138         NSString *note = [Storage load:self.item.path];
 139         if (note) {
 140             self.text.text = note;
 141         } else {
 142             self.text.text = @"";
 143         }
 144     }
 145 }
 146
 147 - (void)setItem:(FileItem *)item {
 148     _item = item;
 149     if (item.isNewItem) {
 150         self.text.text = @"";
 151     } else {
 152         // On iPhone and call by segue, self.text is nil because view is not loaded yet.
 153         if (self.text) {
 154             [self loadNote];
 155             [self setupToolbar];
 156         }
 157     }
 158 }
 159
 160 #pragma mark - MoveViewControllerDelegate
 161
 162 - (void)moveViewControllerCancel:(MoveViewController *)view {
 163     [self dismissModalViewControllerAnimated:YES];
 164 }
 165
 166 - (void)moveViewControllerSelect:(MoveViewController *)view path:(NSString *)path {
 167     NSString *toPath = [self.storage moveFrom:self.item toPath:path];
 168     [self.delegate detailViewFileItemRemoved:self.item];
 169     self.item.path = toPath;
 170     [self dismissModalViewControllerAnimated:YES];
 171 }
 172
 173 @end