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
  43 - (void)viewWillAppear:(BOOL)animated {
  44     [super viewWillAppear:animated];
  45
  46     if (folder.name && ![@"" isEqualToString:folder.name]) {
  47         self.navigationItem.title = self.folder.name;
  48     } else {
  49         self.navigationItem.title = self.container.name;
  50     }
  51 }
  52
  53 - (void)viewDidAppear:(BOOL)animated {
  54     [super viewDidAppear:animated];
  55
  56     if (!self.folder) {
  57         activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:@"Loading..."] text:@"Loading..."];
  58         [activityIndicatorView addToView:self.view];
  59
  60         [self.account.manager getObjects:self.container];
  61
  62     }
  63
  64     successObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"getObjectsSucceeded" object:self.container
  65                                                                          queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification)
  66        {
  67            self.folder = self.container.rootFolder;
  68            contentsLoaded = YES;
  69            [self.tableView reloadData];
  70            [[NSNotificationCenter defaultCenter] removeObserver:successObserver];
  71            [activityIndicatorView removeFromSuperviewAndRelease];
  72        }];
  73
  74     failureObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"renameServerSucceeded" object:self.container
  75                                                                          queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification)
  76        {
  77            [self.tableView reloadData];
  78            [[NSNotificationCenter defaultCenter] removeObserver:failureObserver];
  79            [activityIndicatorView removeFromSuperviewAndRelease];
  80        }];
  81
  82 }
  83
  84 - (void)viewWillDisappear:(BOOL)animated {
  85     [super viewWillDisappear:animated];
  86
  87     if (!(folder.name && ![@"" isEqualToString:folder.name])) {
  88 //        [self.containersViewController.tableView deselectRowAtIndexPath:self.selectedContainerIndexPath animated:YES];
  89     }
  90 }
  91
  92 - (IBAction)homeButtonPressed:(id)sender {
  93     [self.navigationController popToRootViewControllerAnimated:YES];
  94 }
  95
  96 #pragma mark -
  97 #pragma mark Table view data source
  98
  99 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
 100     return 1;
 101 }
 102
 103
 104 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
 105     return MAX(contentsLoaded ? 1 : 0, [folder.objects count] + [folder.folders count]);
 106 }
 107
 108 - (CGFloat)tableView:(UITableView *)aTableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
 109     if ([folder.objects count] + [folder.folders count] == 0) {
 110         aTableView.scrollEnabled = NO;
 111         aTableView.allowsSelection = NO;
 112         return aTableView.frame.size.height;
 113     } else {
 114         aTableView.scrollEnabled = YES;
 115         aTableView.allowsSelection = YES;
 116         return aTableView.rowHeight;
 117     }
 118 }
 119
 120 // Customize the appearance of table view cells.
 121 - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 122     if ([folder.objects count] + [folder.folders count] == 0) {
 123         if ([self.container.rootFolder isEqual:self.folder]) {
 124             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."];
 125         } else {
 126             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:)];
 127         }
 128     } else {
 129         static NSString *CellIdentifier = @"Cell";
 130
 131         UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
 132         if (cell == nil) {
 133             cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
 134         }
 135
 136         id item = [self.folder.sortedContents objectAtIndex:indexPath.row];
 137         cell.textLabel.text = [item name];
 138
 139         if ([[item class] isEqual:[Folder class]]) {
 140             if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 141                 cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 142             } else {
 143                 cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;
 144             }
 145             cell.imageView.image = [UIImage imageNamed:@"folder-icon.png"];
 146
 147             NSString *folderString = @"";
 148             NSString *objectString = @"";
 149             if ([[item folders] count] > 1) {
 150                 folderString = [NSString stringWithFormat:@"%i folders, ", [[item folders] count]];
 151             } else if ([[item folders] count] > 0) {
 152                 folderString = @"1 folder, ";
 153             }
 154             if ([[item objects] count] != 1) {
 155                 objectString = [NSString stringWithFormat:@"%i objects", [[item objects] count]];
 156             } else if ([[item objects] count]) {
 157                 objectString = @"1 object";
 158             }
 159             cell.detailTextLabel.text = [NSString stringWithFormat:@"%@%@", folderString, objectString];
 160         } else if ([[item class] isEqual:[StorageObject class]]) {
 161             cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 162
 163             StorageObject *object = item;
 164             NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
 165             NSString *documentsDirectory = [paths objectAtIndex:0];
 166             NSString *shortPath = [NSString stringWithFormat:@"/%@/%@", self.container.name, object.fullPath];
 167             NSString *filePath = [documentsDirectory stringByAppendingString:shortPath];
 168
 169
 170             if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) {
 171                 UIDocumentInteractionController *udic = [UIDocumentInteractionController interactionControllerWithURL:[NSURL fileURLWithPath:filePath]];
 172                 if ([udic.icons count] > 0) {
 173                     cell.imageView.image = [udic.icons objectAtIndex:0];
 174                 }
 175             } else {
 176                 NSString *emptyPath = [[NSBundle mainBundle] pathForResource:@"empty-file" ofType:@""];
 177                 UIDocumentInteractionController *udic = [UIDocumentInteractionController interactionControllerWithURL:[NSURL fileURLWithPath:emptyPath]];
 178                 if ([udic.icons count] > 0) {
 179                     cell.imageView.image = [udic.icons objectAtIndex:0]; //[UIImage imageNamed:@"file-icon.png"];
 180                 }
 181             }
 182
 183             cell.detailTextLabel.text = [NSString stringWithFormat:@"%@, %@", [item humanizedBytes], [item contentType]];
 184         }
 185
 186         return cell;
 187     }
 188 }
 189
 190 #pragma mark -
 191 #pragma mark Table view delegate
 192
 193 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 194     if ([folder.objects count] + [folder.folders count] > 0) {
 195         id item = [self.folder.sortedContents objectAtIndex:indexPath.row];
 196         if ([[item class] isEqual:[Folder class]]) {
 197             FolderViewController *vc = [[FolderViewController alloc] initWithNibName:@"FolderViewController" bundle:nil];
 198             vc.account = self.account;
 199             vc.container = self.container;
 200             vc.folder = item;
 201             vc.contentsLoaded = YES;
 202             vc.selectedFolderIndexPath = indexPath;
 203             vc.parentFolderViewController = self;
 204             [self.navigationController pushViewController:vc animated:YES];
 205             [vc release];
 206             [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 207             if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 208                 Folder *folderForDetailView;
 209                 if ([folder.sortedContents count] > 0) {
 210                     folderForDetailView = [self.folder.sortedContents objectAtIndex:indexPath.row];
 211                 }
 212                 FolderDetailViewController *folderDetailViewController = [[FolderDetailViewController alloc] initWithNibName:@"FolderDetailViewController" bundle:nil];
 213                 folderDetailViewController.account = account;
 214                 folderDetailViewController.container = container;
 215                 folderDetailViewController.folder = folderForDetailView;
 216                 [self presentPrimaryViewController:folderDetailViewController];
 217                 [folderDetailViewController release];
 218             }
 219         } else if ([[item class] isEqual:[StorageObject class]]) {
 220             StorageObjectViewController *vc = [[StorageObjectViewController alloc] initWithNibName:@"StorageObjectViewController" bundle:nil];
 221             vc.account = self.account;
 222             vc.container = self.container;
 223             vc.folder = self.folder;
 224             vc.object = item;
 225             vc.folderViewController = self;
 226             vc.selectedIndexPath = indexPath;
 227             if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 228                 [self.navigationController presentPrimaryViewController:vc];
 229                 OpenStackAppDelegate *app = [[UIApplication sharedApplication] delegate];
 230                 if (app.rootViewController.popoverController != nil) {
 231                     [app.rootViewController.popoverController dismissPopoverAnimated:YES];
 232                 }
 233             } else {
 234                 [self.navigationController pushViewController:vc animated:YES];
 235                 [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 236             }
 237             [vc release];
 238         }
 239     }
 240 }
 241
 242 - (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath {
 243     Folder *folderForDetailView;
 244     if ([folder.sortedContents count] > 0) {
 245         folderForDetailView = [self.folder.sortedContents objectAtIndex:indexPath.row];
 246     }
 247     FolderDetailViewController *vc = [[FolderDetailViewController alloc] initWithNibName:@"FolderDetailViewController" bundle:nil];
 248     vc.account = account;
 249     vc.container = container;
 250     vc.folder = folderForDetailView;
 251
 252     [self.navigationController pushViewController:vc animated:YES];
 253     [vc release];
 254 }
 255
 256 #pragma mark -
 257 #pragma mark Buttons
 258
 259 - (void)addButtonPressed:(id)sender {
 260     AddObjectViewController *vc = [[AddObjectViewController alloc] initWithNibName:@"AddObjectViewController" bundle:nil];
 261     vc.account = self.account;
 262     vc.container = self.container;
 263     vc.folder = self.folder;
 264     vc.folderViewController = self;
 265     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 266         vc.modalPresentationStyle = UIModalPresentationFormSheet;
 267         OpenStackAppDelegate *app = [[UIApplication sharedApplication] delegate];
 268         if (app.rootViewController.popoverController != nil) {
 269             [app.rootViewController.popoverController dismissPopoverAnimated:YES];
 270         }
 271     }
 272     [self presentModalViewControllerWithNavigation:vc animated:YES];
 273     [vc release];
 274 }
 275
 276 - (void)deleteButtonPressed:(id)sender {
 277     [deleteActionSheet showInView:self.view];
 278 }
 279
 280 #pragma mark -
 281 #pragma mark Action Sheet Delegate
 282
 283 - (void)deleteFolderRow {
 284     [self.parentFolderViewController.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:selectedFolderIndexPath] withRowAnimation:UITableViewRowAnimationLeft];
 285 }
 286
 287 - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
 288     if (buttonIndex == 0) {
 289         StorageObject *object = [[StorageObject alloc] init];
 290         object.name = object.fullPath = [self.folder fullPath];
 291
 292         NSString *activityMessage = @"Deleting folder...";
 293         activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];
 294         [activityIndicatorView addToView:self.view scrollOffset:self.tableView.contentOffset.y];
 295
 296         [self.account.manager deleteObject:self.container object:object];
 297
 298
 299         successObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"deleteObjectSucceeded" object:object
 300                                                                              queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification)
 301         {
 302             if (self.folder.parent) {
 303                 [self.folder.parent.folders removeObjectForKey:self.folder.name];
 304             } else {
 305                 [self.container.rootFolder.folders removeObjectForKey:self.folder.name];
 306             }
 307             [self.account persist];
 308
 309             [activityIndicatorView removeFromSuperviewAndRelease];
 310             [self.navigationController popViewControllerAnimated:YES];
 311
 312             if (self.folder.parent) {
 313                 if ([self.folder.parent.folders count] + [self.folder.parent.objects count] == 0) {
 314                     [self.parentFolderViewController.tableView reloadData];
 315                 } else {
 316                     [self.parentFolderViewController.tableView selectRowAtIndexPath:selectedFolderIndexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
 317                     [NSTimer scheduledTimerWithTimeInterval:0.75 target:self selector:@selector(deleteFolderRow) userInfo:nil repeats:NO];
 318                 }
 319             } else {
 320                 if ([self.container.rootFolder.folders count] + [self.container.rootFolder.objects count] == 0) {
 321                     [self.parentFolderViewController.tableView reloadData];
 322                 } else {
 323                     [self.parentFolderViewController.tableView selectRowAtIndexPath:selectedFolderIndexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
 324                     [NSTimer scheduledTimerWithTimeInterval:0.75 target:self selector:@selector(deleteFolderRow) userInfo:nil repeats:NO];
 325                 }
 326             }
 327
 328
 329
 330             [[NSNotificationCenter defaultCenter] removeObserver:successObserver];
 331             [object release];
 332         }];
 333
 334         failureObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"deleteObjectFailed" object:object
 335                                                                              queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification)
 336         {
 337             [activityIndicatorView removeFromSuperviewAndRelease];
 338             [self alert:@"There was a problem deleting this folder." request:[notification.userInfo objectForKey:@"request"]];
 339             [[NSNotificationCenter defaultCenter] removeObserver:failureObserver];
 340             [object release];
 341         }];
 342     }
 343 }
 344
 345 #pragma mark -
 346 #pragma mark Memory management
 347
 348 - (void)dealloc {
 349     [account release];
 350     [container release];
 351     [folder release];
 352     [containersViewController release];
 353     [selectedContainerIndexPath release];
 354     [deleteActionSheet release];
 355     [parentFolderViewController release];
 356     [selectedFolderIndexPath release];
 357     [super dealloc];
 358 }
 359
 360
 361 @end
 362