Synnefo » Pithos iOS Client

//

//  AddFolderViewController.m

//  OpenStack

//

//  Created by Mike Mayo on 1/4/11.

//  Copyright 2011 __MyCompanyName__. All rights reserved.

//

#import "AddFolderViewController.h"

#import "RSTextFieldCell.h"

#import "ActivityIndicatorView.h"

#import "UIViewController+Conveniences.h"

#import "OpenStackAccount.h"

#import "AccountManager.h"

#import "Container.h"

#import "Folder.h"

#import "StorageObject.h"

#import "FolderViewController.h"

#import "APICallback.h"

@implementation AddFolderViewController

@synthesize account, container, folder, folderViewController;

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {

    return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);

}

#pragma mark -

#pragma mark View lifecycle

- (void)viewDidLoad {

    [super viewDidLoad];

    self.navigationItem.title = @"Add Folder";

    [self addSaveButton];

}

- (void)viewDidAppear:(BOOL)animated {

    [super viewDidAppear:animated];

    [textField becomeFirstResponder];

}

#pragma mark -

#pragma mark Save Button

- (void)saveButtonPressed:(id)sender {    

    if (!saving) {        

        if ([textField.text isEqualToString:@""]) {

            [self alert:@"Folder Name Required" message:@"Please enter a folder name."];

        } else {

            [textField resignFirstResponder];

            NSString *objectName;

            BOOL objectNameHasTrailingSlash = [textField.text hasSuffix:@"/"];

            NSUInteger indexOfFirstSlash = [textField.text rangeOfString:@"/"].location;

            if ((!objectNameHasTrailingSlash && indexOfFirstSlash != NSNotFound) || 

                (objectNameHasTrailingSlash && indexOfFirstSlash < textField.text.length - 1)) {

                [self alert:@"Invalid folder name" message:@"'/' characters are only allowed at the end of folder names"];

                return;

            }

            if (folder && folder.name) {

                objectName = [NSString stringWithFormat:@"%@/%@", [folder fullPath], textField.text];

            } else {

                objectName = textField.text;

            }

            if ([folderViewController.folder.folders objectForKey:objectName] && !allowOverwrite) {

                NSString *alertMessage = [NSString stringWithFormat:@"An object with path '%@' in the container '%@' already exists, do you want to replace it?",objectName, folderViewController.container.name];

                NSString *alertTitle = @"Apply changes";

                UIAlertView *alert = [[UIAlertView alloc] initWithTitle:alertTitle

                                                                message:alertMessage

                                                               delegate:self

                                                      cancelButtonTitle:@"Cancel"

                                                      otherButtonTitles:@"OK", nil];

                [alert show];

                return;

            }

            NSString *activityMessage = @"Adding folder...";

            // figure out how many folders to create

            activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];

            [activityIndicatorView addToView:self.view];

            // actually create the folders

            StorageObject *object = [[StorageObject alloc] init];

            object.name = object.fullPath = objectName;

            object.data = [NSData data];

            object.contentType = @"application/directory";

            [[self.account.manager writeObject:self.container object:object downloadProgressDelegate:nil]

             success:^(OpenStackRequest *request) {

                 Folder *newFolder = [[Folder alloc] init];

                 if (objectNameHasTrailingSlash)

                     object.name = [object.name substringToIndex:object.name.length - 1];

                 newFolder.name = [[object.name componentsSeparatedByString:@"/"] lastObject];

                 if (objectNameHasTrailingSlash)

                     newFolder.name = [newFolder.name stringByAppendingString:@"/"];

                 newFolder.parent = folder;

                 newFolder.sharing = folder.sharing;

                 BOOL currentFolderIsRoot;

                 if ([folderViewController.folder isEqual:container.rootFolder]) {

                     currentFolderIsRoot = YES;

                 }

                 [folder.folders setObject:newFolder forKey:newFolder.name];

                 [folderViewController.tableView reloadData];

                 if (currentFolderIsRoot) {

                     container.count += 1;

                     container.rootFolder = folder;

                     [self.account.containers setObject:container forKey:container.name];

                 }

                 if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

                     [folderViewController setDetailViewController];

                 allowOverwrite = NO;

                 [activityIndicatorView removeFromSuperviewAndRelease];

                 [self dismissModalViewControllerAnimated:YES];

                 [newFolder release];

                 [object release];

             }

             failure:^(OpenStackRequest *request) {

                 allowOverwrite = NO;

                 [activityIndicatorView removeFromSuperviewAndRelease];

                 [self alert:@"There was a problem creating this folder." request:request];

                 [object release];

             }];

        }

    }

}

#pragma mark -

#pragma mark Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

    return 1;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    return 1;

}

- (NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {

    return @"If your folder name contains any forward slash characters, multiple folder objects will be created.";

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    static NSString *CellIdentifier = @"FolderNameCell";

    RSTextFieldCell *cell = (RSTextFieldCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

        cell = [[[RSTextFieldCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:CellIdentifier] autorelease];

        cell.modalPresentationStyle = UIModalPresentationFormSheet;

		textField = cell.textField;

        textField.delegate = self;

		textField.clearButtonMode = UITextFieldViewModeWhileEditing;

    }    

    cell.textLabel.text = @"Name";

    return cell;

}

#pragma mark - Alertview delegate

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex

{

    if (buttonIndex == 1) {

        allowOverwrite = YES;

        [self saveButtonPressed:nil];

    } 

}

#pragma mark -

#pragma mark Text Field Delegate

- (BOOL)textFieldShouldReturn:(UITextField *)textField {

    [self saveButtonPressed:nil];

    return NO;

}

#pragma mark -

#pragma mark Memory management

- (void)dealloc {

    [account release];

    [container release];

    [folder release];

    [folderViewController release];

    [super dealloc];

}

@end