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

   1 //
   2 //  ContainersViewController.m
   3 //  OpenStack
   4 //
   5 //  Created by Mike Mayo on 12/7/10.
   6 //  The OpenStack project is provided under the Apache 2.0 license.
   7 //
   8
   9 #import "NSObject+Conveniences.h"
  10 #import "ContainersViewController.h"
  11 #import "OpenStackAccount.h"
  12 #import "Container.h"
  13 #import "AddContainerViewController.h"
  14 #import "UIViewController+Conveniences.h"
  15 #import "FolderViewController.h"
  16 #import "ContainerDetailViewController.h"
  17 #import "AccountManager.h"
  18 #import "OpenStackAppDelegate.h"
  19 #import "RootViewController.h"
  20 #import "APICallback.h"
  21 #import "Provider.h"
  22 #import "AccountHomeViewController.h"
  23
  24 @implementation ContainersViewController
  25
  26 @synthesize tableView, account, accountUsageInfo, accountHomeViewController, containerDetailViewController;
  27
  28 #pragma mark - View lifecycle
  29
  30 - (void)viewDidLoad {
  31     [super viewDidLoad];
  32     self.navigationItem.title = @"Containers";
  33     [self addAddButton];
  34     [self addHomeButton];
  35 }
  36
  37 - (void)viewWillAppear:(BOOL)animated {
  38     [super viewWillAppear:animated];
  39
  40     if ([self.account.containers count] == 0) {
  41         self.tableView.allowsSelection = NO;
  42         self.tableView.scrollEnabled = NO;
  43         [self.tableView reloadData];
  44     }
  45     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
  46         if ([self.account.containers count] == 0 ) {
  47             NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:0];
  48             [self.tableView selectRowAtIndexPath:indexPath animated:NO scrollPosition:UITableViewScrollPositionNone];
  49             [self tableView:self.tableView didSelectRowAtIndexPath:indexPath];
  50         } else if ([self.tableView indexPathForSelectedRow].row == 0 && [self.tableView indexPathForSelectedRow].section == 0) {
  51             ContainerDetailViewController *vc = [[ContainerDetailViewController alloc] initWithNibName:@"ContainerDetailViewController" bundle:nil];
  52             [self presentPrimaryViewController:vc];
  53             [vc release];
  54         }
  55     }
  56
  57     [self refreshButtonPressed:nil];
  58 }
  59
  60 #pragma mark - Memory management
  61
  62 - (void)dealloc {
  63     [accountUsageInfo release];
  64     [tableView release];
  65     [account release];
  66     [containerDetailViewController release];
  67     [super dealloc];
  68 }
  69
  70 #pragma mark - Internal
  71
  72 - (void)enableRefreshButton {
  73     refreshButton.enabled = YES;
  74     [self hideToolbarActivityMessage];
  75     if (!account.sharingAccount)
  76         [self showToolbarInfoMessage:accountUsageInfo];
  77 }
  78
  79 - (void)createContainerWithName:(NSString *)containerName {
  80     [self hideToolbarInfoMessage];
  81     [self showToolbarActivityMessage:@"Creating container..."];
  82     Container *container = [[Container alloc] init];
  83     container.name = containerName;
  84     [[self.account.manager createContainer:container]
  85      success:^(OpenStackRequest *request) {
  86          [self hideToolbarActivityMessage];
  87          if (!account.sharingAccount)
  88              [self showToolbarInfoMessage:accountUsageInfo];
  89          [self.tableView reloadData];
  90      }
  91      failure:^(OpenStackRequest *request) {
  92          [self hideToolbarActivityMessage];
  93          if (!account.sharingAccount)
  94              [self showToolbarInfoMessage:accountUsageInfo];
  95          [self alert:@"There was a problem creating your container." request:request];
  96      }];
  97     [container release];
  98 }
  99
 100 #pragma mark - Button Handlers
 101
 102 - (void)addButtonPressed:(id)sender {
 103     AddContainerViewController *vc = [[AddContainerViewController alloc] initWithNibName:@"AddContainerViewController" bundle:nil];
 104     vc.containersViewController = self;
 105     vc.account = account;
 106     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 107         OpenStackAppDelegate *app = [[UIApplication sharedApplication] delegate];
 108         [app.rootViewController.popoverController dismissPopoverAnimated:YES];
 109     }
 110     [self presentModalViewControllerWithNavigation:vc];
 111     [vc release];
 112 }
 113
 114 - (IBAction)homeButtonPressed:(id)sender {
 115     [self.navigationController popToViewController:accountHomeViewController animated:YES];
 116 }
 117
 118 - (void)refreshButtonPressed:(id)sender {
 119     refreshButton.enabled = NO;
 120     if (!account.sharingAccount)
 121         [self hideToolbarInfoMessage];
 122     [self showToolbarActivityMessage:@"Refreshing containers..."];
 123
 124     [[self.account.manager getContainers] success:^(OpenStackRequest *request) {
 125         self.account.containers = [request containers];
 126         self.account.containerCount = [self.account.containers count];
 127         self.account.totalBytesUsed = [[request.responseHeaders objectForKey:@"X-Account-Bytes-Used"] longLongValue];
 128         self.account.quota = [[request.responseHeaders objectForKey:@"X-Account-Policy-Quota"] longLongValue];
 129         self.accountUsageInfo = [NSString stringWithFormat:@"%@ used, %@ available",
 130                                  [NSObject osxStyleHumanizedBytes:self.account.totalBytesUsed],
 131                                  [NSObject osxStyleHumanizedBytes:self.account.quota]];
 132
 133         [self.account persist];
 134         containersLoaded = YES;
 135         [self enableRefreshButton];
 136         [self.tableView reloadData];
 137         if (!account.shared && !account.sharingAccount) {
 138             if (![self.account.containers objectForKey:@"pithos"])
 139                 [self createContainerWithName:@"pithos"];
 140             if (![self.account.containers objectForKey:@"trash"])
 141                 [self createContainerWithName:@"trash"];
 142         }
 143     } failure:^(OpenStackRequest *request) {
 144         containersLoaded = NO;
 145         [self enableRefreshButton];
 146         if (request.responseStatusCode != 0) {
 147             [self alert:@"There was a problem loading your containers." request:request];
 148         }
 149     }];
 150 }
 151
 152 #pragma mark - UITableViewDataSource
 153
 154 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
 155     if ([self.account.containers count] == 0) {
 156         self.tableView.allowsSelection = NO;
 157         self.tableView.scrollEnabled = NO;
 158     } else {
 159         self.tableView.allowsSelection = YES;
 160         self.tableView.scrollEnabled = YES;
 161     }
 162     if (!containersLoaded && [self.account.containers count] == 0) {
 163         return 0;
 164     } else {
 165         return MAX(1, [account.containers count]);
 166     }
 167 }
 168
 169 - (CGFloat)tableView:(UITableView *)aTableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
 170     if ([account.containers count] == 0) {
 171         return aTableView.frame.size.height;
 172     } else {
 173         return aTableView.rowHeight;
 174     }
 175 }
 176
 177 - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 178     if (containersLoaded && [self.account.containers count] == 0) {
 179         NSString *noContainersTitle = self.account.shared ? @"No shared containers" : @"No containers";
 180         NSString *noContainersSubtitle = self.account.shared ? @"" : @"Tap the + button to create a new container";
 181         self.navigationItem.rightBarButtonItem.enabled = !self.account.shared;
 182
 183         return [self tableView:tableView emptyCellWithImage:
 184                 [UIImage imageNamed:@"empty-containers.png"]
 185                          title:noContainersTitle
 186                       subtitle:noContainersSubtitle];
 187     } else {
 188         static NSString *CellIdentifier = @"Cell";
 189
 190         UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
 191         if (cell == nil) {
 192             cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
 193             if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 194                 cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 195             } else {
 196                 cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;
 197             }
 198         }
 199         Container *container = [self.account.pithosSortedContainers objectAtIndex:indexPath.row];
 200         cell.textLabel.text = container.name;
 201         if ([container.name isEqualToString:@"pithos"])
 202             cell.imageView.image = [UIImage imageNamed:@"PithosContainerIcon.png"];
 203         else if ([container.name isEqualToString:@"trash"])
 204             cell.imageView.image = [UIImage imageNamed:@"TrashIcon.png"];
 205         else
 206             cell.imageView.image = [UIImage imageNamed:@"ContainerIcon.png"];
 207
 208         if (!self.account.sharingAccount)
 209             cell.detailTextLabel.text = [container osxStyleHumanizedSize];
 210
 211         return cell;
 212     }
 213 }
 214
 215 #pragma mark - UITableViewDelegate
 216
 217 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 218     Container *container = nil;
 219     if ([account.containers count] > 0) {
 220         container = [self.account.pithosSortedContainers objectAtIndex:indexPath.row];
 221
 222         FolderViewController *vc = [[FolderViewController alloc] initWithNibName:@"FolderViewController" bundle:nil];
 223         vc.account = self.account;
 224         vc.container = container;
 225         vc.folder = container.rootFolder;
 226         vc.containersViewController = self;
 227         vc.selectedContainerIndexPath = indexPath;
 228         [self.navigationController pushViewController:vc animated:YES];
 229         [vc release];
 230         [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 231     }
 232
 233     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 234         ContainerDetailViewController *vc = [[ContainerDetailViewController alloc] initWithNibName:@"ContainerDetailViewController" bundle:nil];
 235         vc.account = self.account;
 236         vc.container = container;
 237         vc.containersViewController = self;
 238         vc.selectedContainerIndexPath = indexPath;
 239         [self presentPrimaryViewController:vc];
 240         self.containerDetailViewController = vc;
 241         [vc release];
 242     }
 243 }
 244
 245 - (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath {
 246     Container *container = nil;
 247     if ([account.containers count] > 0) {
 248         container = [self.account.pithosSortedContainers objectAtIndex:indexPath.row];
 249     }
 250     ContainerDetailViewController *vc = [[ContainerDetailViewController alloc] initWithNibName:@"ContainerDetailViewController" bundle:nil];
 251     vc.account = self.account;
 252     vc.container = container;
 253     vc.containersViewController = self;
 254     vc.selectedContainerIndexPath = indexPath;
 255     [self.navigationController pushViewController:vc animated:YES];
 256     [vc release];
 257 }
 258
 259 @end