Imanol-Mikel Barba Sabariego / btvendor · Files

//
//  MenuTableViewController.m
//  DUREX Vendor Control
//
//  Created by Imanol Barba on 5/23/14.
//  Copyright (c) 2014 Emmoco. All rights reserved.
//

#import "MenuTableViewController.h"

@interface MenuTableViewController ()
{
    IBOutlet UIActivityIndicatorView *_activityIndicator;
    NSTimer *_writeTimer;
}
@property (nonatomic,strong) const NSMutableArray *menuElements;
@property (nonatomic,strong) const NSMutableArray *menuStructure;
@property (nonatomic,strong) const NSMutableArray *menuHeaders;

@property (nonatomic,strong) const NSMutableArray *maintenanceElements;
@property (nonatomic,strong) const NSMutableArray *maintenanceStructure;
@property (nonatomic,strong) const NSMutableArray *maintenanceHeaders;

@property (nonatomic,strong) const NSMutableArray *saleListElements;
@property (nonatomic,strong) const NSMutableArray *saleListStructure;
@property (nonatomic,strong) const NSMutableArray *saleListHeaders;

@property (nonatomic,strong) const NSMutableArray *saleElements;
@property (nonatomic,strong) const NSMutableArray *saleStructure;
@property (nonatomic,strong) const NSMutableArray *saleHeaders;

@property (nonatomic,strong) const NSMutableArray *configElements;
@property (nonatomic,strong) const NSMutableArray *configStructure;
@property (nonatomic,strong) const NSMutableArray *configHeaders;

@property (nonatomic,strong) const NSArray *cellIdentifiers;

@property (nonatomic,strong) CommunicationProtocol* protocol;
@property uint8_t currentNavLevel;
@property NSString *currentCellIdentifier;
@property const NSMutableArray *currentElements;
@property const NSMutableArray  *currentStructure;
@property const NSMutableArray *currentHeaders;

@property uint8_t requestedLog;
@end

@implementation MenuTableViewController

- (id)initWithStyle:(UITableViewStyle)style
{
    self = [super initWithStyle:style];
    if (self)
    {
        // Custom initialization
    }
    return self;
}

- (void) initializeMenuEntries
{
    [self setMenuElements:[[NSMutableArray alloc] initWithObjects:MENU_ELEMENTS, nil]];
    [self setMenuStructure:[[NSMutableArray alloc] initWithObjects:MENU_CELLS_PER_SECTION, nil]];
    if([[self menuStructure] count] > 1)
    {
        [self setMenuHeaders:[[NSMutableArray alloc] initWithObjects:MENU_HEADERS, nil]];
    }
    else
    {
        [self setMenuHeaders:nil];
    }
    
    [self setConfigElements:[[NSMutableArray alloc] initWithObjects:CONFIGURATION_ELEMENTS, nil]];
    [self setConfigStructure:[[NSMutableArray alloc] initWithObjects:CONFIGURATION_CELLS_PER_SECTION, nil]];
    if([[self configStructure] count] > 1)
    {
        [self setConfigHeaders:[[NSMutableArray alloc] initWithObjects:CONFIGURATION_HEADERS, nil]];
    }
    else
    {
        [self setConfigHeaders:nil];
    }
    
    [self setCellIdentifiers:[[NSArray alloc] initWithObjects:CELL_IDENTIFIERS, nil]];
}

- (Boolean) generateMaintenanceLevel
{
    //Initialize sensor status
    [self setSensorStatus:[[Sensors alloc]init]];
    
    NSString *sensorData = [_protocol readSensorData];
    if(sensorData == nil)
    {
        NSLog(@"[MenuTableViewController.m]: Error reading sensor data");
        return FALSE;
    }
    [[self sensorStatus] setResponseValue:sensorData];
    [self setMaintenanceElements:[[NSMutableArray alloc] initWithObjects:MAINTENANCE_ELEMENTS, nil]];
    [self setMaintenanceStructure:[[NSMutableArray alloc] initWithObjects:MAINTENANCE_CELLS_PER_SECTION, nil]];
    if([[self maintenanceStructure] count] > 1)
    {
        [self setMaintenanceHeaders:[[NSMutableArray alloc] initWithObjects:MAINTENANCE_HEADERS, nil]];
    }
    else
    {
        [self setMaintenanceHeaders:nil];
    }
    return TRUE;
}

- (void) generateSaleListNavLevel
{
    NSMutableArray *dateArray = [[NSMutableArray alloc] init];
    for(int i = 0; i < [[[self salesLog] sales]count]; i++)
    {
        Sale *currentSale = [[[self salesLog] sales]objectAtIndex:i];
        NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
        NSCalendarUnit units = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit;
        NSDateComponents *components = [calendar components:units fromDate:[currentSale saleTime]];
        [dateArray insertObject:[NSString stringWithFormat:@"[%d%d%d%d%d]%02d/%02d/%d %02d:%02d",[components day],[components month],[components year],[components hour],[components minute],[components day],[components month],[components year],[components hour],[components minute]] atIndex:i];
    }
    [self setSaleListElements:[[NSMutableArray alloc] initWithArray:dateArray]];
    [self setSaleListStructure:[[NSMutableArray alloc] initWithObjects:[NSNumber numberWithInt:[dateArray count]], nil]];
    [self setSaleListHeaders:nil];
}

- (Boolean) generateSaleNavLevel : (NSInteger) numSale
{
    [self setSaleElements:[[NSMutableArray alloc] initWithObjects:SALE_ELEMENTS, nil]];
    [self setSaleStructure:[[NSMutableArray alloc] initWithObjects:SALE_CELLS_PER_SECTION, nil]];
    if([[self saleStructure] count] > 1)
    {
        [self setSaleHeaders:[[NSMutableArray alloc] initWithObjects:SALE_HEADERS, nil]];
    }
    else
    {
        [self setSaleHeaders:nil];
    }
    [self setCurrentSale:[[[self salesLog]sales]objectAtIndex:numSale]];
    return TRUE;
}

- (void) changeNavLevel: (uint8_t) level : (BOOL) push
{
    NSLog(@"[MenuTableViewController.m]: navLevel is %d",level);
    if(push)
    {
        [[self parentLayout] push: [NSNumber numberWithUnsignedChar:self.currentNavLevel]];
    }
    [self setCurrentNavLevel:level];
    [self setCurrentCellIdentifier:[[self cellIdentifiers] objectAtIndex:[self currentNavLevel]]];
    if([self currentNavLevel] == MENU)
    {
        [self setMachineMACAddr:[[[EMConnectionManager sharedManager] connectedDevice] name]];
        [[self navigationItem] setTitle:[self machineMACAddr]];
        [self setCurrentElements:[self menuElements]];
        [self setCurrentStructure:[self menuStructure]];
        [self setCurrentHeaders:[self menuHeaders]];
    }
    else if([self currentNavLevel] == MAINTENANCE)
    {
        [[self navigationItem] setTitle:NSLocalizedString(@"Maintenance", nil)];
        [self setCurrentElements:[self maintenanceElements]];
        [self setCurrentStructure:[self maintenanceStructure]];
        [self setCurrentHeaders:[self maintenanceHeaders]];
    }
    else if([self currentNavLevel] == SALE_LIST)
    {
        [[self navigationItem] setTitle:NSLocalizedString(@"Sales log", nil)];
        [self setCurrentElements:[self saleListElements]];
        [self setCurrentStructure:[self saleListStructure]];
        [self setCurrentHeaders:[self saleListHeaders]];
    }
    else if([self currentNavLevel] == SALE)
    {
        NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
        NSCalendarUnit units = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit;
        NSDateComponents *components = [calendar components:units fromDate:[[self currentSale] saleTime]];
        [[self navigationItem] setTitle:[NSString stringWithFormat:@"%@ %02d/%02d/%d %02d:%02d",NSLocalizedString(@"Sale on", nil),[components day],[components month],[components year],[components hour],[components minute]]];
        [self setCurrentElements:[self saleElements]];
        [self setCurrentStructure:[self saleStructure]];
        [self setCurrentHeaders:[self saleHeaders]];
    }
    else if([self currentNavLevel] == BASIC_CONFIGURATION)
    {
        [[self navigationItem] setTitle:NSLocalizedString(@"Basic Configuration", nil)];
        [self setCurrentElements:[self configElements]];
        [self setCurrentStructure:[self configStructure]];
        [self setCurrentHeaders:[self configHeaders]];
    }
    //AND SO ON...
    NSLog(@"MenuTableViewController.m]: New elements: %@",[self currentElements]);
    NSLog(@"MenuTableViewController.m]: New structure: %@",[self currentStructure]);
    NSLog(@"MenuTableViewController.m]: New headers: %@",[self currentHeaders]);
    NSLog(@"MenuTableViewController.m]: New cell identifier: %@",[self currentCellIdentifier]);
    [self reloadTable:UITableViewRowAnimationAutomatic];
}

- (void) reloadTable: (UITableViewRowAnimation) animation
{
    [[self tableView] reloadData];
    NSRange range = NSMakeRange(0, [self numberOfSectionsInTableView:[self tableView]]);
    NSIndexSet *sections = [NSIndexSet indexSetWithIndexesInRange:range];
    [[self tableView] reloadSections:sections withRowAnimation:animation];
}

- (void) navBack
{
    NSNumber *prevLevel = [[self parentLayout] pop];
    self.currentNavLevel = prevLevel.intValue;
    [self changeNavLevel: prevLevel.intValue : FALSE];
}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
    NSString *title = @"";
    if([self currentHeaders] != nil)
    {
        title = [[self currentHeaders] objectAtIndex:section];
    }
    return title;
}

- (void) backButtonPressed: (id) sender
{
    NSLog(@"[MenuTableViewController.m]: Navigation Stack has %ld remaining levels",(long)[[self parentLayout] count]);
    if([[self parentLayout] count] > 0)
    {
        NSLog(@"[MenuTableViewController.m]: Falling to previous navigation level");
        [self navBack];
    }
    else
    {
        NSLog(@"[MenuTableViewController.m]: No more navigation levels in stack, falling to previous view");
        [self.navigationController popViewControllerAnimated:YES];
    }
}

- (void) sendMaintenanceReport : (NSString*) status : (NSString*) date : (NSString*) machineid
{
    NSString *content = [NSString stringWithFormat:@"status=%@&date=%@&machineid=%@",status,date,machineid];
    
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[NSURL URLWithString:REPORT_SERVER_URL]];
    [request setHTTPMethod:@"POST"];
    [request setHTTPBody:[content dataUsingEncoding:NSUTF8StringEncoding]];
    
    // generates an autoreleased NSURLConnection
    [NSURLConnection connectionWithRequest:request delegate:self];
}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
    // Append the new data to receivedData.
    // receivedData is an instance variable declared elsewhere.
    NSLog(@"[MenuTableViewController.m]: Received response from report server: %@",[NSString stringWithUTF8String:[data bytes]]);
   [self.view makeToast:NSLocalizedString(@"Report sent successfully", nil) duration:3 position:[NSValue valueWithCGPoint:CGPointMake(self.view.frame.size.width/2,self.view.frame.size.height/2)] title:NSLocalizedString(@"Success!", nil) image:[UIImage imageNamed:@"icon_checkmark"]];
}

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
    NSLog(@"[MenuTableViewController.m]: Error connecting to server: %@ %@",[error localizedDescription],[[error userInfo] objectForKey:NSURLErrorFailingURLStringErrorKey]);
    [self.view makeToast:NSLocalizedString(@"Connection to server failed", nil) duration:3 position:[NSValue valueWithCGPoint:CGPointMake(self.view.frame.size.width/2,self.view.frame.size.height/2)] title:NSLocalizedString(@"Error", nil) image:[UIImage imageNamed:@"icon_delete"]];
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    [_activityIndicator setHidden:YES];
    
    //Set navigation bar
    UIImage *backImage = [UIImage imageNamed:@"back_arrow.png"];
    UIButton *backButton = [UIButton buttonWithType:UIButtonTypeCustom];
    backButton.frame = CGRectMake(0, 0, backImage.size.width/2, backImage.size.height/2);
    
    [backButton setImage:backImage forState:UIControlStateNormal];
    [backButton addTarget:self action:@selector(backButtonPressed:)    forControlEvents:UIControlEventTouchUpInside];
    UIBarButtonItem *backBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:backButton];
    
    self.navigationItem.hidesBackButton = YES;
    self.navigationItem.leftBarButtonItem = backBarButtonItem;
    
    //Emmoco protocol initialization
    _protocol = [CommunicationProtocol sharedProtocol];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveNotification:) name:kEMConnectionDidReceiveIndicatorNotificationName object:nil];
    [[EMConnectionManager sharedManager] addObserver:self forKeyPath:@"connectionState" options:0 context:NULL];
    
    //Initialize parentLayout stack
    [self setParentLayout:[[Stack alloc]init]];
    
    //Set navigation level
    [self initializeMenuEntries];
    self.currentNavLevel = 255;
    [self changeNavLevel:MENU:FALSE];
    }

-(void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    
    //DUREX protocol
    if(![_protocol establishConnection])
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Communication error",nil) message:NSLocalizedString(@"Error while trying to connect to the device",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
        UIViewController *previous = [[[self navigationController] viewControllers] objectAtIndex:[[[self navigationController] viewControllers] count]-2];
        [[self navigationController] popToViewController:previous animated:YES];
    }
}

-(void)didReceiveNotification:(NSNotification*) notification
{

}

-(void)dealloc
{
    [[EMConnectionManager sharedManager] removeObserver:self forKeyPath:@"connectionState"];
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

-(void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
    if (object == [EMConnectionManager sharedManager])
    {
        if ([keyPath isEqualToString:@"connectionState"])
        {
            if ([[EMConnectionManager sharedManager] connectionState] == EMConnectionStateDisrupted)
            {
                UIViewController *previous = [[[self navigationController] viewControllers] objectAtIndex:[[[self navigationController] viewControllers] count]-2];
                [[self navigationController] popToViewController:previous animated:YES];
            }
        }
    }
}

#pragma mark - Table view delegate

- (void) addTags : (NSMutableArray*) rows : (NSInteger) tag
{
    for(int i = 0; i < [rows count]; i++)
    {
        NSMutableString *name = [NSMutableString stringWithString:[rows objectAtIndex:i]];
        [name insertString:[NSString stringWithFormat:@"[%d]",tag] atIndex:1];
        [rows replaceObjectAtIndex:i withObject:name];
    }
}

- (void) toggleDropList : (NSIndexPath*) index
{
    Boolean folded = FALSE;
    NSString *elementName = [[self currentElements] objectAtIndex:index.row];
    NSMutableString *newElementName = [[NSMutableString alloc] init];
    if([elementName characterAtIndex:0] == '>')
    {
        [newElementName setString:@"v"];
        [newElementName appendString:[elementName substringFromIndex:1]];
        folded = TRUE;
    }
    else
    {
        [newElementName setString:@">"];
        [newElementName appendString:[elementName substringFromIndex:1]];
    }
    [[self currentElements] replaceObjectAtIndex:index.row withObject:newElementName];
    NSMutableString *cellName = [NSMutableString stringWithString:[elementName substringFromIndex:1]];
    NSInteger lastPos = [cellName rangeOfString:@"]"].location;
    NSInteger cellTag = [[cellName substringWithRange:NSMakeRange(1,lastPos)] intValue];
    [cellName setString:[cellName substringFromIndex:lastPos+1]];
    
    //Cells in MENU
    if([self currentNavLevel] == MAINTENANCE)
    {
        if([cellName isEqualToString:@"Channels Present"] ||
           [cellName isEqualToString:@"Product Present in Channel"] ||
           [cellName isEqualToString:@"Channel Engine Status"])
        {
            NSMutableArray *newRows = [[NSMutableArray alloc] initWithObjects:MAINTENANCE_CHANNELS, nil];
            [newRows setArray:[newRows subarrayWithRange:NSMakeRange(0, [[self sensorStatus] numChannels])]];
            if(folded)
            {
                [self addTags: newRows : cellTag];
                [self addRowsAtIndexPath: newRows : index];
            }
            else
            {
                [self removeRowsAtIndexPath: [newRows count] : index];
            }
        }
        else if([cellName isEqualToString:@"Money Collected"])
        {
            NSMutableArray *newRows = [[NSMutableArray alloc] initWithObjects:MAINTENANCE_MONEY_IN, nil];
            if(folded)
            {
                [self addTags: newRows : cellTag];
                [self addRowsAtIndexPath: newRows : index];
            }
            else
            {
                [self removeRowsAtIndexPath: [newRows count] : index];
            }
        }
        else if([cellName isEqualToString:@"Money Returned"])
        {
            NSMutableArray *newRows = [[NSMutableArray alloc] initWithObjects:MAINTENANCE_MONEY_OUT, nil];
            if(folded)
            {
                [self addTags: newRows : cellTag];
                [self addRowsAtIndexPath: newRows : index];
            }
            else
            {
                [self removeRowsAtIndexPath: [newRows count] : index];
            }
        }
        else if([cellName isEqualToString:@"Products Sold"])
        {
            NSMutableArray *newRows = [[NSMutableArray alloc] initWithObjects:MAINTENANCE_PRODUCTS, nil];
            if(folded)
            {
                [self addTags: newRows : cellTag];
                [self addRowsAtIndexPath: newRows : index];
            }
            else
            {
                [self removeRowsAtIndexPath: [newRows count] : index];
            }
        }
        else if([cellName isEqualToString:@"Change Available"])
        {
            NSMutableArray *newRows = [[NSMutableArray alloc] initWithObjects:MAINTENANCE_CHANGE, nil];
            if(folded)
            {
                [self addTags: newRows : cellTag];
                [self addRowsAtIndexPath: newRows : index];
            }
            else
            {
                [self removeRowsAtIndexPath: [newRows count] : index];
            }
        }
    }
    else if([self currentNavLevel] == SALE)
    {
        if([cellName isEqualToString:@"Money Paid"])
        {
            NSMutableArray *newRows = [[NSMutableArray alloc] initWithObjects:SALE_MONEY_PAID, nil];
            if(folded)
            {
                [self addTags: newRows : cellTag];
                [self addRowsAtIndexPath: newRows : index];
            }
            else
            {
                [self removeRowsAtIndexPath: [newRows count] : index];
            }
        }
        else if([cellName isEqualToString:@"Money Returned"])
        {
            NSMutableArray *newRows = [[NSMutableArray alloc] initWithObjects:SALE_MONEY_RETURNED, nil];
            if(folded)
            {
                [self addTags: newRows : cellTag];
                [self addRowsAtIndexPath: newRows : index];
            }
            else
            {
                [self removeRowsAtIndexPath: [newRows count] : index];
            }
        }
    }
    [self reloadTable:UITableViewRowAnimationNone];
}

- (void) addRowsAtIndexPath : (NSArray*) rows : (NSIndexPath*) indexPath
{
    NSIndexSet *indexSet = [[NSIndexSet alloc] initWithIndexesInRange:NSMakeRange([indexPath row] + 1, [rows count])];
    [[self currentElements] insertObjects:rows atIndexes:indexSet];
    [[self currentStructure] replaceObjectAtIndex:[indexPath section] withObject:[NSNumber numberWithInt:([[[self currentStructure] objectAtIndex:[indexPath section]] intValue] + [rows count])]];
}

- (void) removeRowsAtIndexPath : (NSUInteger) numRows : (NSIndexPath*) indexPath
{
    NSIndexSet *indexSet = [[NSIndexSet alloc] initWithIndexesInRange:NSMakeRange([indexPath row] + 1, numRows)];
    [[self currentElements] removeObjectsAtIndexes:indexSet];
    [[self currentStructure] replaceObjectAtIndex:[indexPath section] withObject:[NSNumber numberWithInt:([[[self currentStructure] objectAtIndex:[indexPath section]] intValue] - numRows)]];
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [[[self currentStructure] objectAtIndex:section] intValue];
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    NSLog(@"Section: %ld Row: %ld",(long)[indexPath section],(long)[indexPath row]);
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    UITableViewCell *cell = [[self tableView] cellForRowAtIndexPath:indexPath];
    NSString *cellName = [[cell textLabel]text];
    //Cells in MENU
    if([self currentNavLevel] == MENU)
    {
        if([cellName isEqualToString:NSLocalizedString(@"Maintenance", nil)])
        {
            NSLog(@"[MenuTableViewController.m]: Changing to navLevel: MAINTENANCE");
            if([self generateMaintenanceLevel])
            {
                [NSThread sleepForTimeInterval:1]; //HACK!
                [self changeNavLevel:MAINTENANCE:TRUE];
            }
            else
            {
                NSLog(@"[MenuTableViewController.m]: Error while changing to navLevel: MAINTENANCE");
            }
        }
        else if([cellName isEqualToString:NSLocalizedString(@"Basic Configuration", nil)])
        {
            NSLog(@"[MenuTableViewController.m]: Changing to navLevel: BASIC_CONFIGURATION");
            [self changeNavLevel:BASIC_CONFIGURATION:TRUE];
        }
        else if([cellName isEqualToString:NSLocalizedString(@"Sending a Report", nil)])
        {
            
        }
    }
    //Cells in MAINTENANCE
    else if([self currentNavLevel] == MAINTENANCE)
    {
        if([cellName isEqualToString:NSLocalizedString(@"Channels Present", nil)] ||
                 [cellName isEqualToString:NSLocalizedString(@"Product Present in Channel", nil)] ||
                 [cellName isEqualToString:NSLocalizedString(@"Channel Engine Status", nil)] || 
                 [cellName isEqualToString:NSLocalizedString(@"Money Collected", nil)] ||
                 [cellName isEqualToString:NSLocalizedString(@"Money Returned", nil)] ||
                 [cellName isEqualToString:NSLocalizedString(@"Products Sold", nil)] ||
                 [cellName isEqualToString:NSLocalizedString(@"Change Available", nil)])
        {
            [self toggleDropList:indexPath];
        }
        else if([cellName isEqualToString:NSLocalizedString(@"Sales log", nil)])
        {
            [self setRequestedLog:SALES_LOG];
            if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
            {
                self.dateRangePickerViewController = [[DateRangePickerViewController alloc] initWithNibName:@"DateRangePickerViewController_iPad" bundle:nil];
                self.dateRangePickerViewController.delegate = self;
                [self.dateRangePickerViewController showInView:self.navigationController.view animated:YES];
            }
            else
            {
                self.dateRangePickerViewController = [[DateRangePickerViewController alloc] initWithNibName:@"DateRangePickerViewController" bundle:nil];
                self.dateRangePickerViewController.delegate = self;
                [self.dateRangePickerViewController showInView:self.navigationController.view animated:YES];
            }

        }
        else if([cellName isEqualToString:NSLocalizedString(@"Send report", nil)])
        {
            NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
            NSCalendarUnit units = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
            NSDateComponents *components = [calendar components:units fromDate:[NSDate date]];
            NSString *date = [NSString stringWithFormat:@"%02d/%02d/%d %02d:%02d:%02d",[components day],[components month],[components year],[components hour],[components minute],[components second]];
            [self sendMaintenanceReport: [[self sensorStatus] response] : date: [self machineMACAddr]];
        }
    }
    //Cells in BASIC_CONFIGURATION
    else if([self currentNavLevel] == BASIC_CONFIGURATION)
    {
        //Update Date & Time command
        if([cellName isEqualToString:NSLocalizedString(@"Update Date & Time", nil)])
        {
            if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
            {
                self.datePickerViewController = [[DatePickerViewController alloc] initWithNibName:@"DatePickerViewController_iPad" bundle:nil];
                self.datePickerViewController.delegate = self;
                [self.datePickerViewController showInView:self.navigationController.view animated:YES];
            }
            else
            {
                self.datePickerViewController = [[DatePickerViewController alloc] initWithNibName:@"DatePickerViewController" bundle:nil];
                self.datePickerViewController.delegate = self;
                [self.datePickerViewController showInView:self.navigationController.view animated:YES];
            }
        }
        //Update Product Price command
        else if([cellName isEqualToString:NSLocalizedString(@"Update product price", nil)])
        {
            if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
            {
                self.priceChangerViewController = [[PriceChangerViewController alloc] initWithNibName:@"PriceChangerViewController_iPad" bundle:nil];
                self.priceChangerViewController.delegate = self;
                [self.priceChangerViewController showInView:self.navigationController.view animated:YES];
            }
            else
            {
                self.priceChangerViewController = [[PriceChangerViewController alloc] initWithNibName:@"PriceChangerViewController" bundle:nil];
                self.priceChangerViewController.delegate = self;
                [self.priceChangerViewController showInView:self.navigationController.view animated:YES];
            }
        }
        //Update Product Name command
        else if([cellName isEqualToString:NSLocalizedString(@"Update product name", nil)])
        {
            if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
            {
                self.nameChangerViewController = [[NameChangerViewController alloc] initWithNibName:@"NameChangerViewController_iPad" bundle:nil];
                self.nameChangerViewController.delegate = self;
                [self.nameChangerViewController showInView:self.navigationController.view animated:YES];
            }
            else
            {
                self.nameChangerViewController = [[NameChangerViewController alloc] initWithNibName:@"NameChangerViewController" bundle:nil];
                self.nameChangerViewController.delegate = self;
                [self.nameChangerViewController showInView:self.navigationController.view animated:YES];
            }
        }
    }
    else if([self currentNavLevel] == SALE_LIST)
    {
        if([self generateSaleNavLevel: [indexPath row]])
        {
            [self changeNavLevel:SALE:TRUE];
        }
    }
    else if([self currentNavLevel] == SALE)
    {
        if([cellName isEqualToString:NSLocalizedString(@"Money Paid", nil)] ||
           [cellName isEqualToString:NSLocalizedString(@"Money Returned", nil)])
        {
            [self toggleDropList:indexPath];
        }

    }
}

#pragma mark - Table view data source

-(NSInteger)tableView: (UITableView *)tableView indentationLevelForRowAtIndexPath: (NSIndexPath *)indexPath
{
    NSInteger indent = 0;
    if([[[self currentElements] objectAtIndex:indexPath.row] characterAtIndex:0] == '*')
    {
        indent++;
    }
    return indent;
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return [[self currentStructure] count];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    Boolean needsIndent = FALSE;
    Boolean foldedList = FALSE;
    Boolean unfoldedList = FALSE;
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:[self currentCellIdentifier] forIndexPath:indexPath];
    //INSTANTIATE CELL IF NEEDED
    if (cell == nil)
    {
        NSLog(@"[MenuTableViewController.m]: Initializing cell");
        if([self currentNavLevel] == MAINTENANCE)
        {
            NSLog(@"[MenuTableViewController.m]: Dispatching Maintenance-type cell");
            cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:[self currentCellIdentifier]];
        }
        else
        {
            cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:[self currentCellIdentifier]];
        }
    }
    //CALCULATE TRUE ROW TO RETRIEVE NAME
    uint8_t offset = 0;
    if([indexPath section] )
    {
        for (int i = 0; i < [indexPath section]; i++)
        {
            offset += [[[self currentStructure] objectAtIndex:i] unsignedCharValue];
        }
    }
    //RETRIEVE NAME
    NSMutableString *cellText = [NSMutableString stringWithString:[[self currentElements] objectAtIndex:[indexPath row]+offset]];
    //SET INDENT
    [cell setIndentationWidth:10];
    //PARSE AND REMOVE CELL MODIFIER
    if([cellText characterAtIndex:0] == '>')
    {
        foldedList = TRUE;
        [cellText setString:[cellText substringFromIndex:1]];
    }
    else if([cellText characterAtIndex:0] == 'v')
    {
        unfoldedList = TRUE;
        [cellText setString:[cellText substringFromIndex:1]];
    }
    else if([cellText characterAtIndex:0] == '*')
    {
        needsIndent = TRUE;
        [cellText setString:[cellText substringFromIndex:1]];
    }
    //PARSE AND REMOVE TAG
    NSInteger lastPos = [cellText rangeOfString:@"]"].location;
    NSInteger cellTag = [[cellText substringWithRange:NSMakeRange(1,lastPos-1)] intValue];
    [cell setTag:cellTag];
    [cellText setString:[cellText substringFromIndex:lastPos+1]];
    //SET FINAL TEXT
    [[cell textLabel] setText:NSLocalizedString(cellText,nil)];
    
    //MAINTENANCE CELLS
    if([self currentNavLevel] == MAINTENANCE)
    {
        [[[cell contentView] viewWithTag:CELL_CARAT_TAG] removeFromSuperview];
        [[cell detailTextLabel] setText:@""];
        [cell setAccessoryView:nil];
        [cell setAccessoryType:UITableViewCellAccessoryNone];
        if(foldedList)
        {
            NSInteger cellHeight = cell.contentView.frame.size.height;
            UIImageView * imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0,cellHeight/2 - (11/2),11,11)];
            imageView.image = [UIImage imageNamed:@"carat.png"];
            imageView.tag = CELL_CARAT_TAG;
            [cell.contentView addSubview:imageView];
        }
        else if(unfoldedList)
        {
            NSInteger cellHeight = cell.contentView.frame.size.height;
            UIImageView * imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0,cellHeight/2 - (11/2),11,11)];
            imageView.image = [UIImage imageNamed:@"carat-open.png"];
            imageView.tag = CELL_CARAT_TAG;
            [cell.contentView addSubview:imageView];
        }
        if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Channels Present",nil)])
        {
            [[cell detailTextLabel] setText:[NSString stringWithFormat:@"%d",[[self sensorStatus] numChannels]]];
            [cell setAccessoryView:nil];
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Product Present in Channel",nil)])
        {
            [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_checkmark"]]];
            for(int i = 0; i < [[self sensorStatus] numChannels]; i++)
            {
                if([[[[self sensorStatus] channelProductAvailability] objectAtIndex:i] intValue] != 1)
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_delete"]]];
                    break;
                }
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Channel Engine Status",nil)])
        {
            [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_checkmark"]]];
            for(int i = 0; i < [[self sensorStatus] numChannels]; i++)
            {
                if([[[[self sensorStatus] channelStatus] objectAtIndex:i] intValue] != 1)
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_delete"]]];
                    break;
                }
            }
        }
        else if([[NSRegularExpression regularExpressionWithPattern:[NSString stringWithFormat:@"%@ (\\d+)",NSLocalizedString(@"Channel",nil)] options:0 error:NULL] numberOfMatchesInString:[[cell textLabel] text] options:0 range:(NSMakeRange(0,[[[cell textLabel] text] length]))] != 0)
        {
            NSUInteger index = [[[[cell textLabel] text] substringFromIndex:([NSLocalizedString(@"Channel",nil) length] + 1)] intValue] - 1;
            if([cell tag] == 2001) // Products Present in Channel tag
            {
                if([[[[self sensorStatus] channelProductAvailability] objectAtIndex:index] intValue] == 1)
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_checkmark"]]];
                }
                else
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_delete"]]];
                }
            }
            else if([cell tag] == 2002) // Channel engine status tag
            {
                if([[[[self sensorStatus] channelStatus] objectAtIndex:index] intValue] == 1)
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_checkmark"]]];
                }
                else
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_delete"]]];
                }
            }

        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Door Sensor",nil)])
        {
            if([[self sensorStatus] doorOpen])
            {
                [[cell detailTextLabel] setText:NSLocalizedString(@"OPEN",nil)];
                [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_delete"]]];
            }
            else
            {
                [[cell detailTextLabel] setText:NSLocalizedString(@"CLOSED",nil)];
                [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_checkmark"]]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Coil Sensor",nil)])
        {
            if([[self sensorStatus] coilOpen])
            {
                [[cell detailTextLabel] setText:NSLocalizedString(@"OPEN",nil)];
                [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_delete"]]];
            }
            else
            {
                [[cell detailTextLabel] setText:NSLocalizedString(@"CLOSED",nil)];
                [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_checkmark"]]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Money Collected",nil)])
        {
            double numCollected = 0;
            numCollected += [[[[self sensorStatus] moneyCollected] objectAtIndex:0] intValue] * 20;
            numCollected += [[[[self sensorStatus] moneyCollected] objectAtIndex:1] intValue] * 10;
            numCollected += [[[[self sensorStatus] moneyCollected] objectAtIndex:2] intValue] * 5;
            numCollected += [[[[self sensorStatus] moneyCollected] objectAtIndex:3] intValue] * 2;
            numCollected += [[[[self sensorStatus] moneyCollected] objectAtIndex:4] intValue] * 1;
            numCollected += [[[[self sensorStatus] moneyCollected] objectAtIndex:5] intValue] * 0.50;
            [[cell detailTextLabel] setText:[NSString stringWithFormat:@"%.2f",numCollected]];
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Money Returned",nil)])
        {
            double numReturned = 0;
            numReturned += [[[[self sensorStatus] moneyReturned] objectAtIndex:0] intValue] * 2;
            numReturned += [[[[self sensorStatus] moneyReturned] objectAtIndex:1] intValue] * 1;
            numReturned += [[[[self sensorStatus] moneyReturned] objectAtIndex:2] intValue] * 0.50;
            [[cell detailTextLabel] setText:[NSString stringWithFormat:@"%.2f",numReturned]];
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Products Sold",nil)])
        {
            NSInteger numSold = 0;
            for(int i = 0; i < MAX_PRODUCTS; i++)
            {
                numSold += [[[[self sensorStatus] productsSold] objectAtIndex:i] intValue];
            }
            [[cell detailTextLabel] setText:[NSString stringWithFormat:@"%d",numSold]];
        }
        else if([[NSRegularExpression regularExpressionWithPattern:[NSString stringWithFormat:@"%@ (\\d+)",NSLocalizedString(@"Product",nil)] options:0 error:NULL] numberOfMatchesInString:[[cell textLabel] text] options:0 range:(NSMakeRange(0,[[[cell textLabel] text] length]))] != 0)
        {
            NSUInteger index = [[[[cell textLabel] text] substringFromIndex:([NSLocalizedString(@"Product",nil) length] + 1)] intValue] - 1;
            if([cell tag] == 2007)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] productsSold] objectAtIndex:index] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Change Available",nil)])
        {
            [[cell detailTextLabel] setText:@""];
            [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_checkmark"]]];
            for(int i = 0; i < CHANGE_NUM_UNITS; i++)
            {
                if([[[[self sensorStatus] changeAvailable] objectAtIndex:i] intValue] != 1)
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_delete"]]];
                    break;
                }
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"20€ Notes",nil)])
        {
            if([cell tag] == 2005)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] moneyCollected] objectAtIndex:0] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"10€ Notes",nil)])
        {
            if([cell tag] == 2005)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] moneyCollected] objectAtIndex:1] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"5€ Notes",nil)])
        {
            if([cell tag] == 2005)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] moneyCollected] objectAtIndex:2] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"2€ Coins",nil)])
        {
            if([cell tag] == 2005)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] moneyCollected] objectAtIndex:3] stringValue]];
            }
            else if([cell tag] == 2006)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] moneyReturned] objectAtIndex:0] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"1€ Coins",nil)])
        {
            if([cell tag] == 2005)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] moneyCollected] objectAtIndex:4] stringValue]];
            }
            else if([cell tag] == 2006)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] moneyReturned] objectAtIndex:1] stringValue]];
            }
            else if([cell tag] == 2008)
            {
                if([[[[self sensorStatus] changeAvailable] objectAtIndex:0] intValue] == 1)
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_checkmark"]]];
                }
                else
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_delete"]]];
                }
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"50c Coins",nil)])
        {
            if([cell tag] == 2005)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] moneyCollected] objectAtIndex:5] stringValue]];
            }
            else if([cell tag] == 2006)
            {
                [[cell detailTextLabel] setText:[[[[self sensorStatus] moneyReturned] objectAtIndex:2] stringValue]];
            }
            else if([cell tag] == 2008)
            {
                if([[[[self sensorStatus] changeAvailable] objectAtIndex:1] intValue] == 1)
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_checkmark"]]];
                }
                else
                {
                    [cell setAccessoryView: [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_delete"]]];
                }
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Sales log",nil)] ||
                [[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Incident report",nil)]  ||
                [[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Send report",nil)])
        {
            [[cell detailTextLabel] setText:@""];
            [cell setAccessoryView:nil];
            [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
        }
    }
    else if([self currentNavLevel] == SALE)
    {
        [[[cell contentView] viewWithTag:CELL_CARAT_TAG] removeFromSuperview];
        [[cell detailTextLabel] setText:@""];
        [cell setAccessoryView:nil];
        [cell setAccessoryType:UITableViewCellAccessoryNone];
        if(foldedList)
        {
            NSInteger cellHeight = cell.contentView.frame.size.height;
            UIImageView * imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0,cellHeight/2 - (11/2),11,11)];
            imageView.image = [UIImage imageNamed:@"carat.png"];
            imageView.tag = CELL_CARAT_TAG;
            [cell.contentView addSubview:imageView];
        }
        else if(unfoldedList)
        {
            NSInteger cellHeight = cell.contentView.frame.size.height;
            UIImageView * imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0,cellHeight/2 - (11/2),11,11)];
            imageView.image = [UIImage imageNamed:@"carat-open.png"];
            imageView.tag = CELL_CARAT_TAG;
            [cell.contentView addSubview:imageView];
        }
        if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Money Paid",nil)])
        {
            double numCollected = 0;
            numCollected += [[[[self currentSale] moneyPaid] objectAtIndex:0] intValue] * 20;
            numCollected += [[[[self currentSale] moneyPaid] objectAtIndex:1] intValue] * 10;
            numCollected += [[[[self currentSale] moneyPaid] objectAtIndex:2] intValue] * 5;
            numCollected += [[[[self currentSale] moneyPaid] objectAtIndex:3] intValue] * 2;
            numCollected += [[[[self currentSale] moneyPaid] objectAtIndex:4] intValue] * 1;
            numCollected += [[[[self currentSale] moneyPaid] objectAtIndex:5] intValue] * 0.50;
            [[cell detailTextLabel] setText:[NSString stringWithFormat:@"%.2f",numCollected]];
            [cell setAccessoryView:nil];
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Channel",nil)])
        {
            [[cell detailTextLabel] setText:[[self currentSale] channel]];
            [cell setAccessoryView:nil];
        }
        if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Product Code",nil)])
        {
            [[cell detailTextLabel] setText:[[self currentSale] productCode]];
            [cell setAccessoryView:nil];
        }
        if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Product Price",nil)])
        {
            [[cell detailTextLabel] setText:[[self currentSale] normalPrice]];
            [cell setAccessoryView:nil];
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"Money Returned",nil)])
        {
            double numReturned = 0;
            numReturned += [[[[self currentSale] moneyReturned] objectAtIndex:0] intValue] * 2;
            numReturned += [[[[self currentSale] moneyReturned] objectAtIndex:1] intValue] * 1;
            numReturned += [[[[self currentSale] moneyReturned] objectAtIndex:2] intValue] * 0.50;
            [[cell detailTextLabel] setText:[NSString stringWithFormat:@"%.2f",numReturned]];
            [cell setAccessoryView:nil];
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"20€ Notes",nil)])
        {
            if([cell tag] == 3000)
            {
                [[cell detailTextLabel] setText:[[[[self currentSale] moneyPaid] objectAtIndex:0] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"10€ Notes",nil)])
        {
            if([cell tag] == 3000)
            {
                [[cell detailTextLabel] setText:[[[[self currentSale] moneyPaid] objectAtIndex:1] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"5€ Notes",nil)])
        {
            if([cell tag] == 3000)
            {
                [[cell detailTextLabel] setText:[[[[self currentSale] moneyPaid] objectAtIndex:2] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"2€ Coins",nil)])
        {
            if([cell tag] == 3000)
            {
                [[cell detailTextLabel] setText:[[[[self currentSale] moneyPaid] objectAtIndex:3] stringValue]];
            }
            else if([cell tag] == 3004)
            {
                [[cell detailTextLabel] setText:[[[[self currentSale] moneyReturned] objectAtIndex:0] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"1€ Coins",nil)])
        {
            if([cell tag] == 3000)
            {
                [[cell detailTextLabel] setText:[[[[self currentSale] moneyPaid] objectAtIndex:4] stringValue]];
            }
            else if([cell tag] == 3004)
            {
                [[cell detailTextLabel] setText:[[[[self currentSale] moneyReturned] objectAtIndex:1] stringValue]];
            }
        }
        else if([[[cell textLabel] text] isEqualToString:NSLocalizedString(@"50c Coins",nil)])
        {
            if([cell tag] == 3000)
            {
                [[cell detailTextLabel] setText:[[[[self currentSale] moneyPaid]objectAtIndex:5] stringValue]];
            }
            else if([cell tag] == 3004)
            {
                [[cell detailTextLabel] setText:[[[[self currentSale] moneyReturned] objectAtIndex:2] stringValue]];
            }
        }
    }
    return cell;
}

- (void)passDateViewController:(DatePickerViewController *)controller didFinishEnteringItem:(NSDate *)date
{
    NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
    NSCalendarUnit units = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
    NSDateComponents *components = [calendar components:units fromDate:date];
    NSLog(@"[MenuTableViewController.m]: %@", components);
    [_protocol updateTime: components];
}

- (void)passPriceViewController:(PriceChangerViewController *)controller didFinishEnteringItem:(NSArray *)data
{
    NSLog(@"[MenuTableViewController.m]: %@", data);
    //Channel,Code,Price
    NSString *channelString = [data objectAtIndex:0];
    NSString *codeString = [data objectAtIndex:1];
    NSString *priceString = [data objectAtIndex:2];
    if(![[NSRegularExpression regularExpressionWithPattern:[NSString stringWithFormat:@"^\\d+(\\.\\d+)?$"] options:0 error:NULL] numberOfMatchesInString:priceString options:0 range:NSMakeRange(0,[priceString length])])
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error",nil) message:NSLocalizedString(@"Entered price has an invalid format",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
    }
    else if([channelString length] == 0)
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error",nil) message:NSLocalizedString(@"Missing channel",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
    }
    else if([codeString length] == 0)
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error",nil) message:NSLocalizedString(@"Missing product code",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
    }
    else if(![[NSRegularExpression regularExpressionWithPattern:[NSString stringWithFormat:@"\\d+"] options:0 error:NULL] numberOfMatchesInString:channelString options:0 range:NSMakeRange(0,[channelString length])])
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error",nil) message:NSLocalizedString(@"Entered channel has an invalid format",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
    }
    else if(![[NSRegularExpression regularExpressionWithPattern:[NSString stringWithFormat:@"\\d+"] options:0 error:NULL] numberOfMatchesInString:codeString options:0 range:NSMakeRange(0,[codeString length])])
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error",nil) message:NSLocalizedString(@"Entered product code has an invalid format",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
    }
    else
    {
        int channel = [channelString intValue];
        int code = [codeString intValue];
        NSArray *price = [priceString componentsSeparatedByString:@"."];
        [_protocol updatePrice:channel :code :[[price objectAtIndex:0] intValue] :[[price objectAtIndex:1] intValue]];
    }
}

- (void)passNameViewController:(PriceChangerViewController *)controller didFinishEnteringItem:(NSArray *)data
{
    NSLog(@"[MenuTableViewController.m]: %@", data);
    //Channel,Code,Name
    NSString *channelString = [data objectAtIndex:0];
    NSString *codeString = [data objectAtIndex:1];
    NSString *name = [data objectAtIndex:2];
    if([channelString length] == 0)
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error",nil) message:NSLocalizedString(@"Missing channel",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
    }
    else if([codeString length] == 0)
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error",nil) message:NSLocalizedString(@"Missing product code",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
    }
    else if(![[NSRegularExpression regularExpressionWithPattern:[NSString stringWithFormat:@"\\d+"] options:0 error:NULL] numberOfMatchesInString:channelString options:0 range:NSMakeRange(0,[channelString length])])
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error",nil) message:NSLocalizedString(@"Entered channel has an invalid format",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
    }
    else if(![[NSRegularExpression regularExpressionWithPattern:[NSString stringWithFormat:@"\\d+"] options:0 error:NULL] numberOfMatchesInString:codeString options:0 range:NSMakeRange(0,[codeString length])])
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error",nil) message:NSLocalizedString(@"Entered product code has an invalid format",nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK",nil) otherButtonTitles:nil];
        [alert show];
    }
    else
    {
        int channel = [channelString intValue];
        int code = [codeString intValue];
        [_protocol updateProductName:channel :code :name];
    }
}

- (void) passDateRangeViewController:(DateRangePickerViewController*)controller didFinishEnteringItem:(NSDate*) from : (NSDate*) to
{
    [NSThread sleepForTimeInterval:1]; //HACK!
    if([self requestedLog] == SALES_LOG)
    {
        NSLog(@"[MenuTableViewController.m]: Changing to navLevel: SALE_LIST");
        
        //Initialize sales log
        [self setSalesLog:[[SalesLog alloc]init]];
        
        NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
        NSCalendarUnit units = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
        NSDateComponents *componentsFrom = nil;
        NSDateComponents *componentsTo = nil;
        if(from != nil)
        {
            componentsFrom = [calendar components:units fromDate:from];
        }
        if(to != nil)
        {
            componentsTo = [calendar components:units fromDate:to];
        }
        NSString *salesData = [_protocol readSalesLog: componentsFrom : componentsTo];
        if(salesData == nil)
        {
            NSLog(@"[MenuTableViewController.m]: Error reading sales log");
        }
        else
        {
            [[self salesLog] setResponseValue:salesData];
            [self generateSaleListNavLevel];
            [self changeNavLevel:SALE_LIST:TRUE];
        }
    }
    else if([self requestedLog] == INCIDENT_LOG)
    {
        
    }
}

@end