Synnefo » Pithos iOS Client

//

//  UploadGenericFileViewController.m

//  OpenStack

//

//  Created by Mike Mayo on 1/6/11.

//  Copyright 2011 __MyCompanyName__. All rights reserved.

//

#import "UploadGenericFileViewController.h"

#import "OpenStackAccount.h"

#import "AccountManager.h"

#import "Container.h"

#import "Folder.h"

#import "FolderViewController.h"

#import "ActivityIndicatorView.h"

#import "UIViewController+Conveniences.h"

#import "UIColor+MoreColors.h"

#import "StorageObject.h"

#import "OCMimeType.h"

#import "RSTextFieldCell.h"

#import "NSObject+Conveniences.h"

#define kName 0

#define kContentType 1

@implementation UploadGenericFileViewController

@synthesize account, container, folder, folderViewController, data, format, contentType, contentTypeEditable;

- (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 File";

    [self addSaveButton];

}

- (void)viewWillAppear:(BOOL)animated {

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

        nameTextField = [[UITextField alloc] initWithFrame:CGRectMake(98.0, 13.0, 400.0, 24.0)];

    } else {

        nameTextField = [[UITextField alloc] initWithFrame:CGRectMake(79.0, 13.0, 222.0, 24.0)];

    }    

    nameTextField.delegate = self;

    nameTextField.font = [UIFont systemFontOfSize:17.0];

    nameTextField.textColor = [UIColor value1DetailTextLabelColor];

    nameTextField.backgroundColor = [UIColor clearColor];

    nameTextField.textAlignment = UITextAlignmentRight;

    nameTextField.returnKeyType = UIReturnKeyDone;

    nameTextField.autocorrectionType = UITextAutocorrectionTypeNo;

    nameTextField.autocapitalizationType = UITextAutocapitalizationTypeNone;    

    nameTextField.placeholder = [NSString stringWithFormat:@"ios_upload_%.0f", [[NSDate date] timeIntervalSince1970]];

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

        formatLabel = [[UILabel alloc] initWithFrame:CGRectMake(41.0, 15.5, 458.0, 18.0)];

    } else {

        formatLabel = [[UILabel alloc] initWithFrame:CGRectMake(21.0, 15.5, 280.0, 18.0)];

    }    

    formatLabel.font = [UIFont systemFontOfSize:17.0];

    formatLabel.textColor = [UIColor value1DetailTextLabelColor];

    formatLabel.backgroundColor = [UIColor clearColor];

    formatLabel.textAlignment = UITextAlignmentRight;

    if (!self.format) {

        self.format = @"";

    } else if ([self.format isEqualToString:@".mov"]) {

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

    } else if ([self.format isEqualToString:@".txt"]) {

        self.navigationItem.title = @"Add Text File";

    }    

    formatLabel.text = self.format;

    // move the text field to make room for the numbers label

    CGSize size = [formatLabel.text sizeWithFont:formatLabel.font constrainedToSize:CGSizeMake(280.0, 900.0f)];

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

        nameTextField.frame = CGRectMake(98.0, 13.0, 400.0 - size.width, 24.0);

    } else {

        nameTextField.frame = CGRectMake(79.0, 13.0, 222.0 - size.width, 24.0);

    }    

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

        contentTypeTextField = [[UITextField alloc] initWithFrame:CGRectMake(79.0, 13.0, 400.0, 24.0)];

    } else {

        contentTypeTextField = [[UITextField alloc] initWithFrame:CGRectMake(79.0, 13.0, 222.0, 24.0)];

    }    

    contentTypeTextField.delegate = self;

    contentTypeTextField.font = [UIFont systemFontOfSize:17.0];

    contentTypeTextField.textColor = [UIColor value1DetailTextLabelColor];

    contentTypeTextField.backgroundColor = [UIColor clearColor];

    contentTypeTextField.textAlignment = UITextAlignmentRight;

    contentTypeTextField.returnKeyType = UIReturnKeyDone;

    contentTypeTextField.autocorrectionType = UITextAutocorrectionTypeNo;

    contentTypeTextField.autocapitalizationType = UITextAutocapitalizationTypeNone;

    if (contentTypeEditable) {

        if (self.contentType) {

            contentTypeTextField.text = self.contentType;

        } else {

            contentTypeTextField.text = [OCMimeType mimeTypeForFileExtension:[self.format substringFromIndex:1]];

        }

    } else {

        contentTypeTextField.enabled = NO;

        if (self.contentType) {

            contentTypeTextField.placeholder = self.contentType;

        } else {

            contentTypeTextField.placeholder = [OCMimeType mimeTypeForFileExtension:[self.format substringFromIndex:1]];

        }

    }

}

#pragma mark -

#pragma mark Table view data source

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

    return 2;

}

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

    if (section == kName) {

        return 2;

    } else {

        return 1;

    }

}

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

    if (section == kContentType) {

        return @"The Content Type (MIME Type) is a universal way to describe content regardless of the file extension.";

    } else {

        return @"";

    }

}

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

    if (indexPath.section == kName) {

        static NSString *CellIdentifier = @"NameCell";    

        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

        if (cell == nil) {

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

            cell.selectionStyle = UITableViewCellSelectionStyleNone;

            cell.textLabel.text = @"Name";

            [cell addSubview:nameTextField];

            [cell addSubview:formatLabel];

        }

        return cell;

    } else {

        static NSString *CellIdentifier = @"ContentTypeCell";

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

        if (cell == nil) {

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

            cell.selectionStyle = UITableViewCellSelectionStyleNone;

            cell.modalPresentationStyle = UIModalPresentationFormSheet;

            cell.textLabel.text = @"Content Type";

            contentTypeTextField = cell.textField;

            if (contentTypeEditable) {

                if (self.contentType) {

                    contentTypeTextField.text = self.contentType;

                } else {

                    contentTypeTextField.text = [OCMimeType mimeTypeForFileExtension:[self.format substringFromIndex:1]];

                }

            } else {

                contentTypeTextField.enabled = NO;

                if (self.contentType) {

                    contentTypeTextField.placeholder = self.contentType;

                } else {

                    contentTypeTextField.placeholder = [OCMimeType mimeTypeForFileExtension:[self.format substringFromIndex:1]];

                }

            }

        }    

        return cell;

    }

}

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

    if (indexPath.section == kName && indexPath.row == 0) {

        return [self tableView:tableView textFieldCellForRowAtIndexPath:indexPath];

    } else if (indexPath.section == kContentType) {

        return [self tableView:tableView textFieldCellForRowAtIndexPath:indexPath];

    } else {

        static NSString *CellIdentifier = @"Cell";

        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

        if (cell == nil) {

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

        }

        cell.textLabel.text = @"Size";

        cell.detailTextLabel.text = [Container humanizedBytes:[data length]];

        cell.selectionStyle = UITableViewCellSelectionStyleNone;

        cell.accessoryType = UITableViewCellAccessoryNone;

        return cell;

    }

}

#pragma mark -

#pragma mark Save Button

- (void)saveButtonPressed:(id)sender {

    [nameTextField resignFirstResponder];

    NSString *objectName;

    if (nameTextField.text && ![nameTextField.text isEqualToString:@""]) {

        objectName = [NSString stringWithFormat:@"%@%@", nameTextField.text, format];

    } else {

        objectName = [NSString stringWithFormat:@"%@%@", nameTextField.placeholder, format];

    }

    BOOL objectNameHasTrailingSlash = [objectName hasSuffix:@"/"];

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

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

        objectNameHasTrailingSlash && indexOfFirstSlash < objectName.length - 1) {

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

        return;

    }

    if ([folderViewController.folder.objects 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;

    }

    activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:@"Uploading..." withProgress:YES] text:@"Uploading..." withProgress:YES];

    [activityIndicatorView addToView:self.view];

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

    object.name = objectName;

    object.fullPath = [NSString stringWithFormat:@"%@/%@", [folder fullPath], object.name];

    object.fullPath = [object.fullPath substringFromIndex:1];

    object.contentType = contentTypeTextField.text;

    if (!contentType) {

        object.contentType = @"application/octet-stream";

    }

    object.data = data;

    object.bytes = [data length];

    [self.account.manager writeObject:self.container object:object downloadProgressDelegate:activityIndicatorView.progressView];

    successObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"writeObjectSucceeded" object:object queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification) 

                       {

                           [activityIndicatorView removeFromSuperviewAndRelease];

                           object.data = nil;

                           object.sharing = folder.sharing;

                           [folder.objects setObject:object forKey:object.name];

                           [folderViewController.tableView reloadData];

                           allowOverwrite = NO;

                           [self dismissModalViewControllerAnimated:YES];

                           [[NSNotificationCenter defaultCenter] removeObserver:successObserver];

                       }];

    failureObserver = [[NSNotificationCenter defaultCenter] addObserverForName:@"writeObjectFailed" object:object queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification* notification) 

                       {

                           allowOverwrite = NO;

                           [activityIndicatorView removeFromSuperviewAndRelease];

                           [self alert:@"There was a problem uploading the file." request:[notification.userInfo objectForKey:@"request"]];

                           [[NSNotificationCenter defaultCenter] removeObserver:failureObserver];

                       }];

}

#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 {

    [textField resignFirstResponder];

    return NO;

}

#pragma mark -

#pragma mark Memory management

- (void)dealloc {

    [account release];

    [container release];

    [folder release];

    [folderViewController release];

    [data release];

    [format release];

    [contentType release];

    [super dealloc];

}

@end