V7USDAdataViewController Class Reference

#import <V7USDAdataViewController.h>

Inheritance diagram for V7USDAdataViewController:

Collaboration diagram for V7USDAdataViewController:

Instance Methods
(void)	- viewDidLoad [implementation]
(void)	- viewWillAppear: [implementation]
(void)	- hitScanDatabase [implementation]
(void)	- reframeTable [implementation]
(NSInteger)	- assessFoodsToDisplay [implementation]
(void)	- clickScan [implementation]
(nonnull UITableViewCell *)	- tableView:cellForRowAtIndexPath: [implementation]
(NSInteger)	- tableView:numberOfRowsInSection: [implementation]
(void)	- tableView:didSelectRowAtIndexPath: [implementation]
(NSMutableArray< NSDictionary *> *)	- retrieveFoodEntries [implementation]
(void)	- connection:didReceiveResponse: [implementation]
(void)	- connection:didReceiveData: [implementation]
(NSCachedURLResponse *)	- connection:willCacheResponse: [implementation]
(void)	- connectionDidFinishLoading: [implementation]
(void)	- connection:didFailWithError: [implementation]
(void)	- didReceiveMemoryWarning [implementation]

Protected Attributes
NSMutableData *	_responseData

Detailed Description

Definition at line 15 of file V7USDAdataViewController.h.

Method Documentation

assessFoodsToDisplay()

- (NSInteger) assessFoodsToDisplay

implementation

Definition at line 146 of file V7USDAdataViewController.m.

{
    NSInteger ret = [usdaFoodItems count];

    NSLog(@"USDAdataViewController.assessMessagesToDisplay: ret: %ld", (long)ret);
    return ret;
}

clickScan()

- (void) clickScan

implementation

Definition at line 156 of file V7USDAdataViewController.m.

{
    UITextField *searchFoodtextF = [headerView foodTextField];
    searchFood = [searchFoodtextF text];
    if (nil!=searchFood) {
        [self hitScanDatabase];
    } else {
        NSLog(@"USDAdataViewController.clickScan: no search food");
    }
}

connection:didFailWithError:()

- (void) connection: (NSURLConnection *)  connection didFailWithError: (NSError *)  error

implementation

Definition at line 258 of file V7USDAdataViewController.m.

                  :(NSURLConnection *)connection didFailWithError:(NSError *)error {
    // The request has failed for some reason!
    // Check the error var
}

connection:didReceiveData:()

- (void) connection: (NSURLConnection *)  connection didReceiveData: (NSData *)  data

implementation

Definition at line 241 of file V7USDAdataViewController.m.

                  :(NSURLConnection *)connection didReceiveData:(NSData *)data {
    // Append the new data to the instance variable you declared
    [_responseData appendData:data];
}

connection:didReceiveResponse:()

- (void) connection: (NSURLConnection *)  connection didReceiveResponse: (NSURLResponse *)  response

implementation

Definition at line 233 of file V7USDAdataViewController.m.

                  :(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
    // A response has been received, this is where we initialize the instance var you created
    // so that we can append data to it in the didReceiveData method
    // Furthermore, this method is called each time there is a redirect so reinitializing it
    // also serves to clear it
    _responseData = [[NSMutableData alloc] init];
}

connection:willCacheResponse:()

- (NSCachedURLResponse *) connection: (NSURLConnection *)  connection willCacheResponse: (NSCachedURLResponse*)  cachedResponse

implementation

Definition at line 246 of file V7USDAdataViewController.m.

                                   :(NSURLConnection *)connection
                  willCacheResponse:(NSCachedURLResponse*)cachedResponse {
    // Return nil to indicate not necessary to store a cached response for this connection
    return nil;
}

connectionDidFinishLoading:()

- (void) connectionDidFinishLoading: (NSURLConnection *)  connection

implementation

Definition at line 252 of file V7USDAdataViewController.m.

                                  :(NSURLConnection *)connection {
    // The request is complete and data has been received
    // You can parse the stuff in your instance variable now
    
}

didReceiveMemoryWarning()

- (void) didReceiveMemoryWarning

implementation

Definition at line 264 of file V7USDAdataViewController.m.

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

hitScanDatabase()

- (void) hitScanDatabase

implementation

Definition at line 66 of file V7USDAdataViewController.m.

{
    Z5URLSessionController *sessionController = [[[Z5DataController sharedInstance] remoteDataController] sessionController];

    // Create the request.
    // NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://google.com"]];

//    NSString *searchStr = @"https://api.nal.usda.gov/ndb/search/?format=json&q=";
//    NSArray<NSString *> *listItems = [searchFood componentsSeparatedByString:@", "];
//    for (NSString *foodSpec in listItems) {
//        NSString *foodSpecQuery = [NSString stringWithFormat:@"%@%%20",foodSpec];
//        searchStr = [searchStr stringByAppendingString:foodSpecQuery];
//    }
//    searchStr = [searchStr stringByAppendingString:@"sort=n&max=25&offset=0&api_key=MHeHC2wqKJHmMxYqHzzLlMfnl4ZOLQLAZeKGEkdK"];

    searchFood = [searchFood stringByReplacingOccurrencesOfString:@", " withString:@"+"];
    NSString *searchStr = [NSString stringWithFormat:@"https://api.nal.usda.gov/ndb/search/?format=json&q=%@&sort=n&max=25&offset=0&api_key=MHeHC2wqKJHmMxYqHzzLlMfnl4ZOLQLAZeKGEkdK", searchFood];
    
    NSLog(@"V7USDAdataViewController.hitScanDatabase: searchStr: %@", searchStr);
    [headerView showUSDAFoodDatabaseResponse:USDAFoodDatabaseQueried];
    NSURL *searchURL = [NSURL URLWithString:searchStr];
    NSURLRequest *request = [NSURLRequest requestWithURL:searchURL];

    [sessionController fetchUSDAdata: request withCompletionBlock: ^(NSDictionary *informationDictionary, NSError *error) {
        if (!error) {
            // NSLog(@"V7USDAdataViewController.viewWillAppear: USDA-data %@", informationDictionary);
            [self->headerView showUSDAFoodDatabaseResponse:USDAFoodDatabaseRespOK];

            NSDictionary *foodList = [informationDictionary objectForKey:@"list"];
            assert(foodList);
            
            NSArray *foodItems = [foodList objectForKey:@"item"];
            assert(foodItems);
            
            NSInteger nFoodItems = [foodItems count];
            NSLog(@"V7USDAdataViewController.viewWillAppear: nFoodItems: %ld", (long)nFoodItems);

            [self->usdaFoodItems removeAllObjects];
            [self->usdaFoodItems addObjectsFromArray:foodItems];
            [self reframeTable];

        }
        else
        {
            [[NSOperationQueue mainQueue] addOperationWithBlock:^{
                // [NSApp presentError:error];
                [self->headerView showUSDAFoodDatabaseResponse:USDAFoodDatabaseRespErr];
               NSLog(@"USDADataView.viewWillAppear: Error: %@", error);
            }];
        }
    }];
}

reframeTable()

- (void) reframeTable

implementation

whenever the array of emailMessages changes, call reframeTable.

Definition at line 122 of file V7USDAdataViewController.m.

{
    CGRect totalFrame = self.view.frame;
    float foodsTableHeight = 0.0;
    CGRect topNaviFrame = [[[self navigationController] navigationBar] frame];
    float availableWindowTop = topNaviFrame.origin.y + topNaviFrame.size.height;
    
    if (0 < [usdaFoodItems count]) {
        foodsTableHeight = [foodEntriesTableView getViewHeightReqmt]
        + 42.0 * [self assessFoodsToDisplay];
        float maxHgt = totalFrame.size.height * 0.80;
        if (maxHgt < foodsTableHeight) {
            foodsTableHeight = maxHgt;
        }
    }
    foodEntriesTableFrame = CGRectMake(totalFrame.size.width * 0.04,
                                        availableWindowTop + totalFrame.size.height * 0.04,
                                        totalFrame.size.width * 0.92,
                                        foodsTableHeight);
    [foodEntriesTableView setFrame:foodEntriesTableFrame];
    
    [self.view setNeedsDisplay];
    [foodEntriesTableView reloadData];
}

retrieveFoodEntries()

- (NSMutableArray< NSDictionary * > *) retrieveFoodEntries

implementation

Definition at line 227 of file V7USDAdataViewController.m.

{
    return usdaFoodItems;
}

tableView:cellForRowAtIndexPath:()

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

implementation

Definition at line 169 of file V7USDAdataViewController.m.

                                      :(nonnull UITableView *)tableView cellForRowAtIndexPath:(nonnull NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"usda-items"];
    // NSLog(@"GmailView.cellForRow: cell: %@", cell);
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"usda-items"];
        
        cell.contentView.autoresizingMask = UIViewAutoresizingFlexibleHeight|UIViewAutoresizingFlexibleWidth;
        [cell.layer setCornerRadius:7.0f];
        [cell.layer setMasksToBounds:YES];
        [cell.layer setBorderWidth:1.0f];
        
        CGRect contentRect = [cell.contentView frame];
        CGRect fetchPublishButton1Frame = CGRectMake(contentRect.size.width - 86.0f, 5.0, 34.0f, contentRect.size.height - 10);
        UIButton *pushMe = [[UIButton alloc] initWithFrame:fetchPublishButton1Frame];
        [pushMe setTitle:@"GO" forState:UIControlStateApplication];
        
        [cell.contentView addSubview:pushMe];
        [cell setHidden:NO];
    }
    
    NSInteger nFoodItems = [usdaFoodItems count];
    NSInteger iRow = [indexPath row];
    if (nFoodItems > iRow) {
        NSDictionary *foodItem = [usdaFoodItems objectAtIndex:iRow];
        NSString *caption = [foodItem objectForKey:@"name"];
        
        // cell.textLabel.text = caption;
        [Z5DataController labelizeCell:cell withText:caption inColor:[UIColor lightGrayColor] andDetail:@"detailed"];
        // [cell setBackgroundColor:[UIColor colorWithHue:0.18f saturation:1.0f brightness:0.6f alpha:0.4f]];
    }
    
    return cell;
}

tableView:didSelectRowAtIndexPath:()

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

implementation

This method sets the class selected-molecule, it also sets the molecule back to the requestor, which should be done by the 'select' button.

Definition at line 212 of file V7USDAdataViewController.m.

                 :(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    int row = (int)[indexPath row];
    
    NSDictionary *focusFoodItem = [usdaFoodItems objectAtIndex:row];
    
    NSString *focusFoodName = [focusFoodItem objectForKey:@"name"];
    NSLog(@"GmailViewController.didSelectRow: food: %@", focusFoodName);
    NSNumber *ndbNumber = [focusFoodItem objectForKey:@"ndbno"];
    
    V7USDAfoodViewController *vc2 = [[V7USDAfoodViewController alloc] init];
    [vc2 setFocusFoodItemNDB:ndbNumber];
    [vc2 setFocusFoodName:focusFoodName];
    [[self navigationController] pushViewController:vc2 animated:YES];
}

tableView:numberOfRowsInSection:()

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

implementation

Definition at line 203 of file V7USDAdataViewController.m.

                      :(nonnull UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return [usdaFoodItems count];
}

viewDidLoad()

- (void) viewDidLoad

implementation

Definition at line 28 of file V7USDAdataViewController.m.

                    {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.title = @"USDA List";
    CGRect totalFrame = self.view.frame;

    // get and scale image for background
    UIImage *backgrdImage = [UIImage imageNamed:@"antiqueSunburstWood.png"];
    CGSize photoSize = [backgrdImage size];
    float resizeRatio = photoSize.height / totalFrame.size.height;
    UIImage *resizedImage = [UIImage imageWithCGImage:[backgrdImage CGImage]
                                                scale:backgrdImage.scale * resizeRatio
                                          orientation:(backgrdImage.imageOrientation) ];
    UIImageView *backgrd = [[UIImageView alloc] initWithImage:resizedImage];
    [self.view addSubview:backgrd];
    // end - get and scale image for background
    
    usdaFoodItems = [[NSMutableArray alloc] init];
    foodEntriesTableFrame = CGRectMake(totalFrame.size.width * 0.04,
                                       totalFrame.size.height * 0.12,
                                       totalFrame.size.width * 0.92,
                                       totalFrame.size.height * 0.86);
    headerView = [[V7foodTextFieldView alloc] initWithDelegate:self];
 
    foodEntriesTableView = [[V7UsdaFoodsTableView alloc] initWithFrame:foodEntriesTableFrame andHeader:headerView inContainer:self];
    [foodEntriesTableView setDataSource:self];
    [foodEntriesTableView setDelegate:self];

//     [_foodEntriesTableView setViewForHead:headerView];
    [foodEntriesTableView setBackgroundColor:[[Z5DataController sharedInstance] wheatColor]];
    [self.view addSubview:foodEntriesTableView];

}

viewWillAppear:()

- (void) viewWillAppear: (BOOL)  animated

implementation

Definition at line 61 of file V7USDAdataViewController.m.

                       :(BOOL)animated
{
    [headerView appear:self.view.frame];
}

Member Data Documentation

_responseData

- (NSMutableData*) _responseData

protected

Definition at line 22 of file V7USDAdataViewController.h.

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The documentation for this class was generated from the following files:

• TodaysMenu/viewControllers/nutrition/menuCapture/V7USDAdataViewController.h
• TodaysMenu/viewControllers/nutrition/menuCapture/V7USDAdataViewController.m