Synnefo » Pithos iOS Client

//

//  AddPhotoViewController.m

//  OpenStack

//

//  Created by Mike Mayo on 1/5/11.

//  Copyright 2011 __MyCompanyName__. All rights reserved.

//

#import "AddPhotoViewController.h"

#import "UIViewController+Conveniences.h"

#import "UIColor+MoreColors.h"

#import "Container.h"

#import "ActivityIndicatorView.h"

#import "StorageObject.h"

#import "OpenStackAccount.h"

#import "AccountManager.h"

#import "Container.h"

#import "Folder.h"

#import "FolderViewController.h"

#import "NSObject+Conveniences.h"

#import "APICallback.h"

#import "ComputeModel.h"

#define kName 0

// give me the option to add a description of the file and the URL - date/time stamped

@implementation AddPhotoViewController

@synthesize image, account, container, folder, folderViewController, isFromCamera;

- (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 Photo";

    [self addSaveButton];

    format = @".jpg";

    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;

    formatLabel.text = format;

    slider = [[UISlider alloc] init];

    slider.value = 0.65;

    // 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);

    }    

}

- (void)viewWillAppear:(BOOL)animated {

    [super viewWillAppear:animated];

//    data = UIImageJPEGRepresentation(image, slider.value);

//    [data retain];

    // when saving a camera image as a PNG, it ends up rotated.  i have no idea why and have

    // not been able to successfully rotate the image, so we're only allowing JPEG from the

    // camera for now.  not a big deal, since the iPhone 4 camera is making 8 MB PNG files

    if (isFromCamera) {

        formatSection = -1;

        qualitySection = 1;

    } else {

        formatSection = 1;

        qualitySection = 2;

    }

}

- (void)viewDidAppear:(BOOL)animated {

    [super viewDidAppear:animated];

    [qualityActivityIndicatorView release];

    qualityActivityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:@"Calculating size..."] text:@"Calculating size..."];

    [qualityActivityIndicatorView addToView:self.view];    

    [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(calculateSize) userInfo:nil repeats:NO];

}

#pragma mark -

#pragma mark Table view data source

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

    if ([format isEqualToString:@".jpg"]) {

        if (transitioning) {

            return isFromCamera ? 1 : 2;

        } else {

            return isFromCamera ? 2 : 3;

        }

    } else {

        return transitioning ? 3 : 2;

    }

}

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

    if (section == kName) {

        return 2;

    } else if (section == formatSection) {

        return 2;

    } else if (section == qualitySection) {

        return 1;

    } else {

        return 0;

    }

}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {

    if (indexPath.section == qualitySection) {

        return tableView.rowHeight + slider.frame.size.height + 3.0;

    } else {

        return tableView.rowHeight;

    }

}

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

    if (section == formatSection) {

        return @"JPEG is a lossy format designed for digital photography. PNG is a lossless format that supports transparency.";

    } else if (section == qualitySection) {

        return @"A high quality will produce a better image. A low quality will use less space.";

    } else {

        return @"";

    }

}

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

    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;

}

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

    static NSString *CellIdentifier = @"QualityCell";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

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

        cell.selectionStyle = UITableViewCellSelectionStyleNone;

        UILabel *textLabel = [[UILabel alloc] initWithFrame:CGRectMake(20.0, 13.0, 280.0, 20.0)];

        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

            textLabel.frame = CGRectMake(41.0, 13.0, 458.0, 20.0);

        }

        textLabel.font = [UIFont boldSystemFontOfSize:17.0];

        textLabel.text = @"Quality";

        textLabel.textColor = [UIColor blackColor];

        textLabel.backgroundColor = [UIColor clearColor];

        [cell addSubview:textLabel];

        [textLabel release];

        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

            slider.frame = CGRectMake(41.0, 38.0, 458.0, slider.frame.size.height);

        } else {

            slider.frame = CGRectMake(20.0, 38.0, 280.0, slider.frame.size.height);

        }

        [slider addTarget:self action:@selector(sliderMoved:) forControlEvents:UIControlEventValueChanged];

        [slider addTarget:self action:@selector(sliderFinished:) forControlEvents:UIControlEventTouchUpInside];

        [cell addSubview:slider];

        qualityLabel = [[UILabel alloc] initWithFrame:CGRectMake(20.0, 14.0, 280.0, 18.0)];

        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

            qualityLabel.frame = CGRectMake(41.0, 14.0, 458.0, 18.0);

        }        

        qualityLabel.font = [UIFont systemFontOfSize:17.0];

        qualityLabel.textColor = [UIColor value1DetailTextLabelColor];

        qualityLabel.backgroundColor = [UIColor clearColor];

        qualityLabel.textAlignment = UITextAlignmentRight;

        [cell addSubview:qualityLabel];

    }

    qualityLabel.text = [NSString stringWithFormat:@"%.0f%%", slider.value * 100];

    return cell;

}

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

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

        return [self tableView:tableView nameCellForRowAtIndexPath:indexPath];

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

        return [self tableView:tableView qualityCellForRowAtIndexPath:indexPath];

    } else {

        static NSString *CellIdentifier = @"Cell";

        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

        if (cell == nil) {

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

        }

        if (indexPath.section == kName) {

            cell.textLabel.text = @"Size";

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

            cell.selectionStyle = UITableViewCellSelectionStyleNone;

            cell.accessoryType = UITableViewCellAccessoryNone;

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

            cell.selectionStyle = UITableViewCellSelectionStyleBlue;

            if (indexPath.row == 0) {

                cell.textLabel.text = @"JPEG";

                cell.detailTextLabel.text = @"";

                if ([format isEqualToString:@".jpg"]) {

                    cell.accessoryType = UITableViewCellAccessoryCheckmark;

                } else {

                    cell.accessoryType = UITableViewCellAccessoryNone;

                }

            } else if (indexPath.row == 1) {

                cell.textLabel.text = @"PNG";

                cell.detailTextLabel.text = @"";

                if ([format isEqualToString:@".png"]) {

                    cell.accessoryType = UITableViewCellAccessoryCheckmark;

                } else {

                    cell.accessoryType = UITableViewCellAccessoryNone;

                }

            }

        } else {

            cell.textLabel.text = @"Quality";

            cell.detailTextLabel.text = @"65%";

            cell.selectionStyle = UITableViewCellSelectionStyleNone;

        }

        return cell;

    }

}

#pragma mark -

#pragma mark Table view delegate

- (void)updateFormat {

    transitioning = YES;

    NSArray *indexPaths = [NSArray arrayWithObjects:[NSIndexPath indexPathForRow:0 inSection:formatSection], [NSIndexPath indexPathForRow:1 inSection:formatSection], nil];

    [self.tableView reloadRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationNone];

    transitioning = NO;

    if ([format isEqualToString:@".jpg"]) {

        [self.tableView insertSections:[NSIndexSet indexSetWithIndex:qualitySection] withRowAnimation:UITableViewRowAnimationBottom];

    } else {

        [self.tableView deleteSections:[NSIndexSet indexSetWithIndex:qualitySection] withRowAnimation:UITableViewRowAnimationTop];

    }

    formatLabel.text = 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)];

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

    [qualityActivityIndicatorView release];

    qualityActivityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:@"Calculating size..."] text:@"Calculating size..."];

    [qualityActivityIndicatorView addToView:self.view];    

    [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(calculateSize) userInfo:nil repeats:NO];

}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

    if (indexPath.section == formatSection) {

        if (indexPath.row == 0) {

            format = @".jpg";

        } else { //if (indexPath.row == 1) {

            format = @".png";

        }

//        [self.tableView deselectRowAtIndexPath:indexPath animated:YES];

        [NSTimer scheduledTimerWithTimeInterval:0.35 target:self selector:@selector(updateFormat) userInfo:nil repeats:NO];

    }

}

#pragma mark -

#pragma mark Text Field Delegate

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

    [textField resignFirstResponder];

    return NO;

}

#pragma mark -

#pragma mark Slider

- (void)calculateSize {

    if ([format isEqualToString:@".jpg"]) {

        [data release];

        data = UIImageJPEGRepresentation(image, slider.value);

        [data retain];

    } else {

        [data release];

        if (isFromCamera) {

            // PNG files from the camera need to be rotated

            UIImage *rotatedImage = [[UIImage alloc] initWithCGImage:(CGImageRef)image scale:1.0 orientation:UIImageOrientationLeft];

            data = UIImagePNGRepresentation(rotatedImage);

            [rotatedImage release];

        } else {

            data = UIImagePNGRepresentation(image);

        }

        [data retain];

    }

    [self.tableView reloadRowsAtIndexPaths:[NSArray arrayWithObject:[NSIndexPath indexPathForRow:1 inSection:kName]] withRowAnimation:UITableViewRowAnimationNone];    

    [qualityActivityIndicatorView removeFromSuperview];

}

- (void)sliderFinished:(id)sender {

    [qualityActivityIndicatorView release];

    qualityActivityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:@"Calculating size..."] text:@"Calculating size..."];

    [qualityActivityIndicatorView addToView:self.view];    

    [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(calculateSize) userInfo:nil repeats:NO];

}

- (void)sliderMoved:(id)sender {

    qualityLabel.text = [NSString stringWithFormat:@"%.0f%%", slider.value * 100];

}

#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 file name" message:@"'/' characters are only allowed at the end of file 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];

        [alert release];

        return;

    }

    [activityIndicatorView release];

    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];

    if ([format isEqualToString:@".jpg"]) {

        object.contentType = @"image/jpeg";

    } else {

        object.contentType = @"image/png";

    }

    object.data = data;

    object.bytes = [data length];

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

     success:^(OpenStackRequest *request) {

         [activityIndicatorView removeFromSuperview];

         object.data = nil;

         object.sharing = folder.sharing;

         object.lastModified = [ComputeModel dateFromRFC1123String:[request.responseHeaders objectForKey:@"Date"]];

         BOOL currentFolderIsRoot = NO;

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

             currentFolderIsRoot = YES;

         }

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

         [self dismissModalViewControllerAnimated:YES];

     }

     failure:^(OpenStackRequest *request) {

         [activityIndicatorView removeFromSuperview];

         allowOverwrite = NO;

         [self alert:@"There was a problem uploading this file." request:request];            

     }];

}

#pragma mark - Alertview delegate

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

{

    if (buttonIndex == 1) {

        allowOverwrite = YES;

        [self saveButtonPressed:nil];

    } 

}

#pragma mark -

#pragma mark Memory management

- (void)dealloc {

    [image release];

    [account release];

    [container release];

    [folder release];

    [folderViewController release];

    [nameTextField release];

    [formatLabel release];

    [slider release];

    [qualityActivityIndicatorView release];

    [activityIndicatorView release];

    [super dealloc];

}

@end