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

   1 //
   2 //  AddFolderViewController.m
   3 //  OpenStack
   4 //
   5 //  Created by Mike Mayo on 1/4/11.
   6 //  Copyright 2011 __MyCompanyName__. All rights reserved.
   7 //
   8
   9 #import "AddFolderViewController.h"
  10 #import "RSTextFieldCell.h"
  11 #import "ActivityIndicatorView.h"
  12 #import "UIViewController+Conveniences.h"
  13 #import "OpenStackAccount.h"
  14 #import "AccountManager.h"
  15 #import "Container.h"
  16 #import "Folder.h"
  17 #import "StorageObject.h"
  18 #import "FolderViewController.h"
  19 #import "APICallback.h"
  20
  21 @implementation AddFolderViewController
  22
  23 @synthesize account, container, folder, folderViewController;
  24
  25 #pragma mark - View lifecycle
  26
  27 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
  28     return ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);
  29 }
  30
  31 - (void)viewDidLoad {
  32     [super viewDidLoad];
  33     self.navigationItem.title = @"Add Folder";
  34     [self addSaveButton];
  35 }
  36
  37 - (void)viewDidAppear:(BOOL)animated {
  38     [super viewDidAppear:animated];
  39     [textField becomeFirstResponder];
  40 }
  41
  42 #pragma mark - Memory management
  43
  44 - (void)dealloc {
  45     [account release];
  46     [container release];
  47     [folder release];
  48     [folderViewController release];
  49     [super dealloc];
  50 }
  51
  52 #pragma mark - UITableViewDataSource
  53
  54 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
  55     return 1;
  56 }
  57
  58 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
  59     static NSString *cellIdentifier = @"FolderNameCell";
  60     RSTextFieldCell *cell = (RSTextFieldCell *)[tableView dequeueReusableCellWithIdentifier:cellIdentifier];
  61     if (cell == nil) {
  62         cell = [[[RSTextFieldCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:cellIdentifier] autorelease];
  63         cell.modalPresentationStyle = UIModalPresentationFormSheet;
  64                 textField = cell.textField;
  65         textField.delegate = self;
  66                 textField.clearButtonMode = UITextFieldViewModeWhileEditing;
  67     }
  68     cell.textLabel.text = @"Name";
  69     return cell;
  70 }
  71
  72 #pragma mark - UITextFieldDelegate
  73
  74 - (BOOL)textFieldShouldReturn:(UITextField *)textField {
  75     [self saveButtonPressed:nil];
  76     return NO;
  77 }
  78
  79 #pragma mark - UIAlertViewDelegate
  80
  81 - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
  82     if (buttonIndex == 1) {
  83         allowOverwrite = YES;
  84         [self saveButtonPressed:nil];
  85     }
  86 }
  87
  88 #pragma mark - Button handlers
  89
  90 - (void)saveButtonPressed:(id)sender {
  91     if ([textField.text isEqualToString:@""]) {
  92         [self alert:@"Folder Name Required" message:@"Please enter a folder name."];
  93     } else {
  94         [textField resignFirstResponder];
  95         NSString *objectName;
  96         BOOL objectNameHasTrailingSlash = [textField.text hasSuffix:@"/"];
  97         NSUInteger indexOfFirstSlash = [textField.text rangeOfString:@"/"].location;
  98         if ((!objectNameHasTrailingSlash && indexOfFirstSlash != NSNotFound) ||
  99             (objectNameHasTrailingSlash && indexOfFirstSlash < textField.text.length - 1)) {
 100             [self alert:@"Invalid folder name" message:@"'/' characters are only allowed at the end of folder names"];
 101             return;
 102         }
 103
 104         if (folder && folder.name) {
 105             objectName = [NSString stringWithFormat:@"%@/%@", [folder fullPath], textField.text];
 106         } else {
 107             objectName = textField.text;
 108         }
 109
 110         if ([folderViewController.folder.folders objectForKey:objectName] && !allowOverwrite) {
 111             NSString *alertMessage = [NSString stringWithFormat:@"An object with path '%@' in the container '%@' already exists, do you want to replace it?",
 112                                       objectName, folderViewController.container.name];
 113             NSString *alertTitle = @"Apply changes";
 114             UIAlertView *alert = [[UIAlertView alloc] initWithTitle:alertTitle
 115                                                             message:alertMessage
 116                                                            delegate:self
 117                                                   cancelButtonTitle:@"Cancel"
 118                                                   otherButtonTitles:@"OK", nil];
 119             [alert show];
 120             [alert release];
 121             return;
 122         }
 123
 124         StorageObject *object = [[StorageObject alloc] init];
 125         object.name = object.fullPath = objectName;
 126         object.data = [NSData data];
 127         object.contentType = @"application/directory";
 128
 129         __block ActivityIndicatorView *activityIndicatorView = [ActivityIndicatorView activityIndicatorViewWithText:@"Adding folder..."
 130                                                                                                        andAddToView:self.view];
 131         [[self.account.manager writeObject:self.container object:object downloadProgressDelegate:nil]
 132          success:^(OpenStackRequest *request) {
 133              Folder *newFolder = [[Folder alloc] init];
 134              if (objectNameHasTrailingSlash)
 135                  object.name = [object.name substringToIndex:object.name.length - 1];
 136              newFolder.name = [[object.name componentsSeparatedByString:@"/"] lastObject];
 137              if (objectNameHasTrailingSlash)
 138                  newFolder.name = [newFolder.name stringByAppendingString:@"/"];
 139              newFolder.parent = folder;
 140              newFolder.sharing = folder.sharing;
 141              BOOL currentFolderIsRoot = (folderViewController.folder == container.rootFolder);
 142              [folder addFolder:newFolder];
 143              folderViewController.folder = folderViewController.folder;
 144              if (currentFolderIsRoot) {
 145                  container.count += 1;
 146                  container.rootFolder = folder;
 147              }
 148              allowOverwrite = NO;
 149              [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
 150              [self dismissModalViewControllerAnimated:YES];
 151              [newFolder release];
 152              [object release];
 153          }
 154          failure:^(OpenStackRequest *request) {
 155              allowOverwrite = NO;
 156              [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
 157              [self alert:@"There was a problem creating this folder." request:request];
 158              [object release];
 159          }];
 160     }
 161 }
 162
 163 @end
 164