code.grnet.gr Git - pithos-ios/blob - Classes/FolderViewController.m

   1 //
   2 //  FolderViewController.m
   3 //  OpenStack
   4 //
   5 //  Created by Mike Mayo on 12/15/10.
   6 //  The OpenStack project is provided under the Apache 2.0 license.
   7 //
   8
   9 #import "FolderViewController.h"
  10 #import "OpenStackAccount.h"
  11 #import "Container.h"
  12 #import "Folder.h"
  13 #import "StorageObject.h"
  14 #import "StorageObjectViewController.h"
  15 #import "ContainerDetailViewController.h"
  16 #import "AccountManager.h"
  17 #import "ActivityIndicatorView.h"
  18 #import "ContainersViewController.h"
  19 #import "UIViewController+Conveniences.h"
  20 #import "AddObjectViewController.h"
  21 #import "OpenStackAppDelegate.h"
  22 #import "RootViewController.h"
  23 #import "FolderDetailViewController.h"
  24
  25
  26 @implementation FolderViewController
  27
  28 @synthesize account, container, folder, containersViewController, selectedContainerIndexPath, contentsLoaded, parentFolderViewController, selectedFolderIndexPath, tableView;
  29
  30 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
  31     return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);
  32 }
  33
  34 #pragma mark -
  35 #pragma mark View lifecycle
  36
  37 - (void)viewDidLoad {
  38     [super viewDidLoad];
  39     [self addAddButton];
  40     deleteActionSheet = [[UIActionSheet alloc] initWithTitle:@"Are you sure you want to delete this folder?  This operation cannot be undone." delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:@"Delete Folder" otherButtonTitles:nil];
  41
  42     UIImage *buttonImage = [UIImage imageNamed:@"HomeFolderIcon.png"];
  43
  44     UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
  45     [button setImage:buttonImage forState:UIControlStateNormal];
  46     button.frame = CGRectMake(0, 0, buttonImage.size.width, buttonImage.size.height);
  47         [button addTarget:self action:@selector(homeButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
  48     UIBarButtonItem *customBarItem = [[UIBarButtonItem alloc] initWithCustomView:button];
  49     NSMutableArray *toolbarItems = [NSMutableArray arrayWithArray:self.toolbar.items];
  50     [toolbarItems addObject:customBarItem];
  51     self.toolbar.items = toolbarItems;
  52 }
  53
  54 - (void)viewWillAppear:(BOOL)animated {
  55     [super viewWillAppear:animated];
  56
  57     if (folder.name && ![@"" isEqualToString:folder.name]) {
  58         self.navigationItem.title = self.folder.name;
  59     } else {
  60         self.navigationItem.title = self.container.name;
  61     }
  62 }
  63
  64 - (void)viewDidAppear:(BOOL)animated {
  65     [super viewDidAppear:animated];
  66
  67     if (!self.folder) {
  68         [self refreshButtonPressed:nil];
  69     }
  70 }
  71
  72 - (void)viewWillDisappear:(BOOL)animated {
  73     [super viewWillDisappear:animated];
  74
  75     if (!(folder.name && ![@"" isEqualToString:folder.name])) {
  76 //        [self.containersViewController.tableView deselectRowAtIndexPath:self.selectedContainerIndexPath animated:YES];
  77     }
  78 }
  79
  80 - (IBAction)homeButtonPressed:(id)sender {
  81     [self.navigationController popToViewController:containersViewController animated:YES];
  82 }
  83
  84 - (IBAction)refreshButtonPressed:(id)sender {
  85     activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:@"Loading..."] text:@"Loading..."];
  86     [activityIndicatorView addToView:self.view];
  87
  88     [self.account.manager getObjects:self.container];
  89
  90
  91     successObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"getObjectsSucceeded" object:self.container
  92                                                                          queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification)
  93                        {
  94                            contentsLoaded = YES;
  95                            [self reloadFolders];
  96                            [[NSNotificationCenter defaultCenter] removeObserver:successObserver];
  97                            [activityIndicatorView removeFromSuperviewAndRelease];
  98                        }];
  99
 100     failureObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"renameServerSucceeded" object:self.container
 101                                                                          queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification)
 102                        {
 103                            [self.tableView reloadData];
 104                            [[NSNotificationCenter defaultCenter] removeObserver:failureObserver];
 105                            [activityIndicatorView removeFromSuperviewAndRelease];
 106                        }];
 107
 108
 109 }
 110
 111 - (void)reloadFolders
 112 {
 113     NSArray *viewControllers = [self.navigationController viewControllers];
 114     int rootFolderControllerIndex = [viewControllers indexOfObject:self.containersViewController] + 1;
 115     FolderViewController *rootFolderViewController = [viewControllers objectAtIndex:rootFolderControllerIndex];
 116     rootFolderViewController.folder = self.container.rootFolder;
 117     [rootFolderViewController.tableView reloadData];
 118
 119     for (int i = rootFolderControllerIndex + 1; i < [viewControllers count]; i++) {
 120         FolderViewController *folderViewController = [viewControllers objectAtIndex:i];
 121         Folder *parentFolder = folderViewController.parentFolderViewController.folder;
 122
 123         folderViewController.folder = [parentFolder.folders objectForKey:folderViewController.folder.name];
 124         if (!folderViewController.folder)
 125             [self.navigationController popViewControllerAnimated:YES];
 126         else
 127             [folderViewController.tableView reloadData];
 128     }
 129
 130     [self.containersViewController refreshButtonPressed:nil];
 131 }
 132
 133 #pragma mark -
 134 #pragma mark Table view data source
 135
 136 - (NSInteger)numberOfSectionsInTableView:(UITableView *)aTableView {
 137     return 1;
 138 }
 139
 140
 141 - (NSInteger)tableView:(UITableView *)aTableView numberOfRowsInSection:(NSInteger)section {
 142     return MAX(contentsLoaded ? 1 : 0, [folder.objects count] + [folder.folders count]);
 143 }
 144
 145 - (CGFloat)tableView:(UITableView *)aTableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
 146     if ([folder.objects count] + [folder.folders count] == 0) {
 147         aTableView.scrollEnabled = NO;
 148         aTableView.allowsSelection = NO;
 149         return aTableView.frame.size.height;
 150     } else {
 151         aTableView.scrollEnabled = YES;
 152         aTableView.allowsSelection = YES;
 153         return aTableView.rowHeight;
 154     }
 155 }
 156
 157 // Customize the appearance of table view cells.
 158 - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 159     if ([folder.objects count] + [folder.folders count] == 0) {
 160         if ([self.container.rootFolder isEqual:self.folder]) {
 161             return [self tableView:aTableView emptyCellWithImage:[UIImage imageNamed:@"empty-files.png"] title:@"No Files or Folders" subtitle:@"Tap the + button to add a new file or folder."];
 162         } else {
 163             return [self tableView:aTableView emptyCellWithImage:[UIImage imageNamed:@"empty-files.png"] title:@"No Files or Folders" subtitle:@"Tap the + button to add a new file or folder." deleteButtonTitle:@"Delete Folder" deleteButtonSelector:@selector(deleteButtonPressed:)];
 164         }
 165     } else {
 166         static NSString *CellIdentifier = @"Cell";
 167
 168         UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
 169         if (cell == nil) {
 170             cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
 171         }
 172
 173         id item = [self.folder.sortedContents objectAtIndex:indexPath.row];
 174         cell.textLabel.text = [item name];
 175
 176         if ([[item class] isEqual:[Folder class]]) {
 177             if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 178                 cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 179             } else {
 180                 cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;
 181             }
 182             cell.imageView.image = [UIImage imageNamed:@"folder-icon.png"];
 183
 184             NSString *folderString = @"";
 185             NSString *objectString = @"";
 186             if ([[item folders] count] > 1) {
 187                 folderString = [NSString stringWithFormat:@"%i folders, ", [[item folders] count]];
 188             } else if ([[item folders] count] > 0) {
 189                 folderString = @"1 folder, ";
 190             }
 191             if ([[item objects] count] != 1) {
 192                 objectString = [NSString stringWithFormat:@"%i objects", [[item objects] count]];
 193             } else if ([[item objects] count]) {
 194                 objectString = @"1 object";
 195             }
 196             cell.detailTextLabel.text = [NSString stringWithFormat:@"%@%@", folderString, objectString];
 197         } else if ([[item class] isEqual:[StorageObject class]]) {
 198             cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 199
 200             StorageObject *object = item;
 201             NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
 202             NSString *documentsDirectory = [paths objectAtIndex:0];
 203             NSString *shortPath = [NSString stringWithFormat:@"/%@/%@", self.container.name, object.fullPath];
 204             NSString *filePath = [documentsDirectory stringByAppendingString:shortPath];
 205
 206
 207             if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) {
 208                 UIDocumentInteractionController *udic = [UIDocumentInteractionController interactionControllerWithURL:[NSURL fileURLWithPath:filePath]];
 209                 if ([udic.icons count] > 0) {
 210                     cell.imageView.image = [udic.icons objectAtIndex:0];
 211                 }
 212             } else {
 213                 NSString *emptyPath = [[NSBundle mainBundle] pathForResource:@"empty-file" ofType:@""];
 214                 UIDocumentInteractionController *udic = [UIDocumentInteractionController interactionControllerWithURL:[NSURL fileURLWithPath:emptyPath]];
 215                 if ([udic.icons count] > 0) {
 216                     cell.imageView.image = [udic.icons objectAtIndex:0]; //[UIImage imageNamed:@"file-icon.png"];
 217                 }
 218             }
 219
 220             cell.detailTextLabel.text = [NSString stringWithFormat:@"%@, %@", [item humanizedBytes], [item contentType]];
 221         }
 222
 223         return cell;
 224     }
 225 }
 226
 227 #pragma mark -
 228 #pragma mark Table view delegate
 229
 230 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 231     if ([folder.objects count] + [folder.folders count] > 0) {
 232         id item = [self.folder.sortedContents objectAtIndex:indexPath.row];
 233         if ([[item class] isEqual:[Folder class]]) {
 234             FolderViewController *vc = [[FolderViewController alloc] initWithNibName:@"FolderViewController" bundle:nil];
 235             vc.account = self.account;
 236             vc.container = self.container;
 237             vc.folder = item;
 238             vc.contentsLoaded = YES;
 239             vc.selectedFolderIndexPath = indexPath;
 240             vc.parentFolderViewController = self;
 241             vc.containersViewController = self.containersViewController;
 242             [self.navigationController pushViewController:vc animated:YES];
 243             [vc release];
 244             [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 245             if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 246                 Folder *folderForDetailView;
 247                 if ([folder.sortedContents count] > 0) {
 248                     folderForDetailView = [self.folder.sortedContents objectAtIndex:indexPath.row];
 249                 }
 250                 FolderDetailViewController *folderDetailViewController = [[FolderDetailViewController alloc] initWithNibName:@"FolderDetailViewController" bundle:nil];
 251                 folderDetailViewController.account = account;
 252                 folderDetailViewController.container = container;
 253                 folderDetailViewController.folder = folderForDetailView;
 254                 [self presentPrimaryViewController:folderDetailViewController];
 255                 [folderDetailViewController release];
 256             }
 257         } else if ([[item class] isEqual:[StorageObject class]]) {
 258             StorageObjectViewController *vc = [[StorageObjectViewController alloc] initWithNibName:@"StorageObjectViewController" bundle:nil];
 259             vc.account = self.account;
 260             vc.container = self.container;
 261             vc.folder = self.folder;
 262             vc.object = item;
 263             vc.folderViewController = self;
 264             vc.selectedIndexPath = indexPath;
 265             if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 266                 [self.navigationController presentPrimaryViewController:vc];
 267                 OpenStackAppDelegate *app = [[UIApplication sharedApplication] delegate];
 268                 if (app.rootViewController.popoverController != nil) {
 269                     [app.rootViewController.popoverController dismissPopoverAnimated:YES];
 270                 }
 271             } else {
 272                 [self.navigationController pushViewController:vc animated:YES];
 273                 [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 274             }
 275             [vc release];
 276         }
 277     }
 278 }
 279
 280 - (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath {
 281     Folder *folderForDetailView;
 282     if ([folder.sortedContents count] > 0) {
 283         folderForDetailView = [self.folder.sortedContents objectAtIndex:indexPath.row];
 284     }
 285     FolderDetailViewController *vc = [[FolderDetailViewController alloc] initWithNibName:@"FolderDetailViewController" bundle:nil];
 286     vc.account = account;
 287     vc.container = container;
 288     vc.folder = folderForDetailView;
 289
 290     [self.navigationController pushViewController:vc animated:YES];
 291     [vc release];
 292 }
 293
 294 #pragma mark -
 295 #pragma mark Buttons
 296
 297 - (void)addButtonPressed:(id)sender {
 298     AddObjectViewController *vc = [[AddObjectViewController alloc] initWithNibName:@"AddObjectViewController" bundle:nil];
 299     vc.account = self.account;
 300     vc.container = self.container;
 301     vc.folder = self.folder;
 302     vc.folderViewController = self;
 303     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 304         vc.modalPresentationStyle = UIModalPresentationFormSheet;
 305         OpenStackAppDelegate *app = [[UIApplication sharedApplication] delegate];
 306         if (app.rootViewController.popoverController != nil) {
 307             [app.rootViewController.popoverController dismissPopoverAnimated:YES];
 308         }
 309     }
 310     [self presentModalViewControllerWithNavigation:vc animated:YES];
 311     [vc release];
 312 }
 313
 314 - (void)deleteButtonPressed:(id)sender {
 315     [deleteActionSheet showInView:self.view];
 316 }
 317
 318 #pragma mark -
 319 #pragma mark Action Sheet Delegate
 320
 321 - (void)deleteFolderRow {
 322     [self.parentFolderViewController.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:selectedFolderIndexPath] withRowAnimation:UITableViewRowAnimationLeft];
 323 }
 324
 325 - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
 326     if (buttonIndex == 0) {
 327         StorageObject *object = [[StorageObject alloc] init];
 328         object.name = object.fullPath = [self.folder fullPath];
 329
 330         NSString *activityMessage = @"Deleting folder...";
 331         activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];
 332         [activityIndicatorView addToView:self.view scrollOffset:self.tableView.contentOffset.y];
 333
 334         [self.account.manager deleteObject:self.container object:object];
 335
 336
 337         successObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"deleteObjectSucceeded" object:object
 338                                                                              queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification)
 339         {
 340             if (self.folder.parent) {
 341                 [self.folder.parent.folders removeObjectForKey:self.folder.name];
 342             } else {
 343                 [self.container.rootFolder.folders removeObjectForKey:self.folder.name];
 344             }
 345             [self.account persist];
 346
 347             [activityIndicatorView removeFromSuperviewAndRelease];
 348             [self.navigationController popViewControllerAnimated:YES];
 349
 350             if (self.folder.parent) {
 351                 if ([self.folder.parent.folders count] + [self.folder.parent.objects count] == 0) {
 352                     [self.parentFolderViewController.tableView reloadData];
 353                 } else {
 354                     [self.parentFolderViewController.tableView selectRowAtIndexPath:selectedFolderIndexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
 355                     [NSTimer scheduledTimerWithTimeInterval:0.75 target:self selector:@selector(deleteFolderRow) userInfo:nil repeats:NO];
 356                 }
 357             } else {
 358                 if ([self.container.rootFolder.folders count] + [self.container.rootFolder.objects count] == 0) {
 359                     [self.parentFolderViewController.tableView reloadData];
 360                 } else {
 361                     [self.parentFolderViewController.tableView selectRowAtIndexPath:selectedFolderIndexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
 362                     [NSTimer scheduledTimerWithTimeInterval:0.75 target:self selector:@selector(deleteFolderRow) userInfo:nil repeats:NO];
 363                 }
 364             }
 365
 366
 367
 368             [[NSNotificationCenter defaultCenter] removeObserver:successObserver];
 369             [object release];
 370         }];
 371
 372         failureObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"deleteObjectFailed" object:object
 373                                                                              queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification)
 374         {
 375             [activityIndicatorView removeFromSuperviewAndRelease];
 376             [self alert:@"There was a problem deleting this folder." request:[notification.userInfo objectForKey:@"request"]];
 377             [[NSNotificationCenter defaultCenter] removeObserver:failureObserver];
 378             [object release];
 379         }];
 380     }
 381 }
 382
 383 #pragma mark -
 384 #pragma mark Memory management
 385
 386 - (void)dealloc {
 387     [account release];
 388     [container release];
 389     [folder release];
 390     [containersViewController release];
 391     [selectedContainerIndexPath release];
 392     [deleteActionSheet release];
 393     [parentFolderViewController release];
 394     [selectedFolderIndexPath release];
 395     [super dealloc];
 396 }
 397
 398
 399 @end
 400