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 #import "ActivityIndicatorView.h"
  24
  25 @implementation ContainersViewController
  26
  27 @synthesize tableView, account, accountUsageInfo, accountHomeViewController, containerDetailViewController;
  28
  29 #pragma mark - View lifecycle
  30
  31 - (void)viewDidLoad {
  32     [super viewDidLoad];
  33     self.navigationItem.title = @"Containers";
  34     [self addAddButton];
  35     [self addHomeButton];
  36 }
  37
  38 - (void)viewWillAppear:(BOOL)animated {
  39     [super viewWillAppear:animated];
  40
  41     if ([self.account.containers count] == 0) {
  42         self.tableView.allowsSelection = NO;
  43         self.tableView.scrollEnabled = NO;
  44         [self.tableView reloadData];
  45     }
  46     if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) {
  47         if ([self.account.containers count] == 0 ) {
  48             NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:0];
  49             [self.tableView selectRowAtIndexPath:indexPath animated:NO scrollPosition:UITableViewScrollPositionNone];
  50             [self tableView:self.tableView didSelectRowAtIndexPath:indexPath];
  51         } else if ([self.tableView indexPathForSelectedRow].row == 0 && [self.tableView indexPathForSelectedRow].section == 0) {
  52             ContainerDetailViewController *vc = [[ContainerDetailViewController alloc] initWithNibName:@"ContainerDetailViewController" bundle:nil];
  53             [self presentPrimaryViewController:vc];
  54             [vc release];
  55         }
  56     }
  57
  58     [self refreshButtonPressed:nil];
  59 }
  60
  61 #pragma mark - Memory management
  62
  63 - (void)dealloc {
  64     [tableView release];
  65     [account release];
  66     [containerDetailViewController release];
  67     [super dealloc];
  68 }
  69
  70 #pragma mark - Internal
  71
  72 - (void)createContainerWithName:(NSString *)containerName {
  73     __block ActivityIndicatorView *activityIndicatorView = [ActivityIndicatorView activityIndicatorViewWithText:@"Creating container..."
  74                                                                                                    andAddToView:self.view];
  75
  76     Container *container = [[Container alloc] init];
  77     container.name = containerName;
  78     [[self.account.manager createContainer:container]
  79      success:^(OpenStackRequest *request) {
  80          [activityIndicatorView removeFromSuperview];
  81          [self.tableView reloadData];
  82      }
  83      failure:^(OpenStackRequest *request) {
  84          [activityIndicatorView removeFromSuperview];
  85          [self alert:@"There was a problem creating your container." request:request];
  86      }];
  87     [container release];
  88 }
  89
  90 #pragma mark - Properties
  91
  92 - (NSString *)accountUsageInfo {
  93     if (self.account.sharingAccount)
  94         return nil;
  95     if (self.account.bytesUsed && self.account.policyQuota) {
  96         return [NSString stringWithFormat:@"%@ used, %@ available",
  97                 [NSObject osxStyleHumanizedBytesNumber:self.account.bytesUsed],
  98                 [NSObject osxStyleHumanizedBytesNumber:self.account.policyQuota]];
  99     } else if (self.account.bytesUsed) {
 100         return [NSString stringWithFormat:@"%@ used", [NSObject osxStyleHumanizedBytesNumber:self.account.bytesUsed]];
 101     } else if (self.account.policyQuota) {
 102         return [NSString stringWithFormat:@"%@ available", [NSObject osxStyleHumanizedBytesNumber:self.account.policyQuota]];
 103     } else {
 104         return nil;
 105     }
 106 }
 107
 108 #pragma mark - Button Handlers
 109
 110 - (void)addButtonPressed:(id)sender {
 111     AddContainerViewController *vc = [[AddContainerViewController alloc] initWithNibName:@"AddContainerViewController" bundle:nil];
 112     vc.containersViewController = self;
 113     vc.account = account;
 114     if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) {
 115         OpenStackAppDelegate *app = [[UIApplication sharedApplication] delegate];
 116         [app.rootViewController.popoverController dismissPopoverAnimated:YES];
 117     }
 118     [self presentModalViewControllerWithNavigation:vc];
 119     [vc release];
 120 }
 121
 122 - (IBAction)homeButtonPressed:(id)sender {
 123     [self.navigationController popToViewController:accountHomeViewController animated:YES];
 124 }
 125
 126 - (void)refreshButtonPressed:(id)sender {
 127     __block ActivityIndicatorView *activityIndicatorView = [ActivityIndicatorView activityIndicatorViewWithText:@"Loading..."
 128                                                                                                    andAddToView:self.view];
 129     [[self.account.manager getContainers] success:^(OpenStackRequest *request) {
 130         self.account.containers = [request containers];
 131         self.account.containerCount = [self.account.containers count];
 132         NSString *bytesUsedString = [request.responseHeaders objectForKey:@"X-Account-Bytes-Used"];
 133         self.account.bytesUsed = (bytesUsedString ?
 134                                   [NSNumber numberWithUnsignedLongLong:strtoull([bytesUsedString UTF8String], NULL, 0)] : nil);
 135         NSString *policyQuotaString = [request.responseHeaders objectForKey:@"X-Account-Policy-Quota"];
 136         self.account.policyQuota = (policyQuotaString ?
 137                                     [NSNumber numberWithUnsignedLongLong:strtoull([policyQuotaString UTF8String], NULL, 0)] : nil);
 138
 139         [self.account persist];
 140         containersLoaded = YES;
 141
 142         [activityIndicatorView removeFromSuperview];
 143         [self showToolbarInfoMessage:self.accountUsageInfo];
 144         [self.tableView reloadData];
 145         if (!account.shared && !account.sharingAccount) {
 146             if (![self.account.containers objectForKey:@"pithos"])
 147                 [self createContainerWithName:@"pithos"];
 148             if (![self.account.containers objectForKey:@"trash"])
 149                 [self createContainerWithName:@"trash"];
 150         }
 151     } failure:^(OpenStackRequest *request) {
 152         containersLoaded = NO;
 153         [activityIndicatorView removeFromSuperview];
 154         [self showToolbarInfoMessage:self.accountUsageInfo];
 155         if (request.responseStatusCode != 0) {
 156             [self alert:@"There was a problem loading containers." request:request addAccountSettingsButton:YES];
 157         }
 158     }];
 159 }
 160
 161 #pragma mark - UITableViewDataSource
 162
 163 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
 164     if ([self.account.containers count] == 0) {
 165         self.tableView.allowsSelection = NO;
 166         self.tableView.scrollEnabled = NO;
 167     } else {
 168         self.tableView.allowsSelection = YES;
 169         self.tableView.scrollEnabled = YES;
 170     }
 171     if (!containersLoaded && [self.account.containers count] == 0) {
 172         return 0;
 173     } else {
 174         return MAX(1, [account.containers count]);
 175     }
 176 }
 177
 178 - (CGFloat)tableView:(UITableView *)aTableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
 179     if ([account.containers count] == 0) {
 180         return aTableView.frame.size.height;
 181     } else {
 182         return aTableView.rowHeight;
 183     }
 184 }
 185
 186 - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 187     if (containersLoaded && [self.account.containers count] == 0) {
 188         NSString *noContainersTitle = self.account.shared ? @"No shared containers" : @"No containers";
 189         NSString *noContainersSubtitle = self.account.shared ? @"" : @"Tap the + button to create a new container";
 190         self.navigationItem.rightBarButtonItem.enabled = !self.account.shared;
 191
 192         return [self tableView:tableView
 193             emptyCellWithImage:[UIImage imageNamed:@"empty-containers.png"]
 194                          title:noContainersTitle
 195                       subtitle:noContainersSubtitle];
 196     } else {
 197         static NSString *CellIdentifier = @"Cell";
 198
 199         UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
 200         if (cell == nil) {
 201             cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
 202             if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) {
 203                 cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 204             } else {
 205                 cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;
 206             }
 207         }
 208         Container *container = [self.account.pithosSortedContainers objectAtIndex:indexPath.row];
 209         cell.textLabel.text = container.name;
 210         if ([container.name isEqualToString:@"pithos"])
 211             cell.imageView.image = [UIImage imageNamed:@"PithosContainerIcon.png"];
 212         else if ([container.name isEqualToString:@"trash"])
 213             cell.imageView.image = [UIImage imageNamed:@"TrashIcon.png"];
 214         else
 215             cell.imageView.image = [UIImage imageNamed:@"ContainerIcon.png"];
 216
 217         if (!self.account.sharingAccount)
 218             cell.detailTextLabel.text = [container osxStyleHumanizedSize];
 219
 220         return cell;
 221     }
 222 }
 223
 224 #pragma mark - UITableViewDelegate
 225
 226 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 227     Container *container = nil;
 228     if ([account.containers count] > 0) {
 229         container = [self.account.pithosSortedContainers objectAtIndex:indexPath.row];
 230
 231         FolderViewController *vc = (([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) ?
 232                                     [[FolderViewController alloc] initWithNibName:@"FolderViewController-iPad" bundle:nil] :
 233                                     [[FolderViewController alloc] initWithNibName:@"FolderViewController" bundle:nil]);
 234         vc.account = self.account;
 235         vc.container = container;
 236         vc.containersViewController = self;
 237         vc.selectedContainerIndexPath = indexPath;
 238         [self.navigationController pushViewController:vc animated:YES];
 239         vc.folder = container.rootFolder;
 240         [vc release];
 241         [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 242     }
 243
 244     if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) {
 245         ContainerDetailViewController *vc = [[ContainerDetailViewController alloc] initWithNibName:@"ContainerDetailViewController" bundle:nil];
 246         vc.account = self.account;
 247         vc.container = container;
 248         vc.containersViewController = self;
 249         vc.selectedContainerIndexPath = indexPath;
 250         [self presentPrimaryViewController:vc];
 251         self.containerDetailViewController = vc;
 252         [vc release];
 253     }
 254 }
 255
 256 - (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath {
 257     Container *container = nil;
 258     if ([account.containers count] > 0) {
 259         container = [self.account.pithosSortedContainers objectAtIndex:indexPath.row];
 260     }
 261     ContainerDetailViewController *vc = [[ContainerDetailViewController alloc] initWithNibName:@"ContainerDetailViewController" bundle:nil];
 262     vc.account = self.account;
 263     vc.container = container;
 264     vc.containersViewController = self;
 265     vc.selectedContainerIndexPath = indexPath;
 266     [self.navigationController pushViewController:vc animated:YES];
 267     [vc release];
 268 }
 269
 270 @end