EventsViewController.h

//
//  EventsViewController.h
//  Student Scene
//
//  Created by Alvaro Pereyra Rabanal on 7/6/12.
//  Copyright (c) 2012 Alvaro Pereyra Rabanal. All rights reserved.
//

#import "GroupedViewController.h"
#import "Event.h"

@interface EventsViewController : GroupedViewController
	@property NSMutableArray *events;
@end

EventsViewController.m

//
//  EventsViewController.m
//  Student Scene
//
//  Created by Alvaro Pereyra Rabanal on 7/6/12.
//  Copyright (c) 2012 Alvaro Pereyra Rabanal. All rights reserved.
//

#import "EventsViewController.h"
#import "Section.h"
#import "SectionHeaderCell.h"
#import "ASIHTTPRequest.h"
#import "EventHomeCell.h"
#import "MBProgressHUD.h"

@interface EventsViewController ()

@end

@implementation EventsViewController
@synthesize events;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
	self.events = [[NSMutableArray alloc] initWithObjects:nil];
	[self loadEvents];	
	[self createDetailsButton];	
	// Do any additional setup after loading the view.
}


- (void) loadEvents {

	NSURL *authenticationURL = [NSURL URLWithString:@"http://test....."];
	
	NSString *jsonParamsFormat = @"username=%@&password=%@";
	NSString *json = [NSString stringWithFormat:jsonParamsFormat,
                      @"....", @"...."];
 
	ASIHTTPRequest *_request = [ASIHTTPRequest requestWithURL:authenticationURL];
       __weak ASIHTTPRequest *request = _request;
	request.requestMethod = @"POST";
	[request addRequestHeader:@"Content-Type" value:@"application/x-www-form-urlencoded"];
	[request appendPostData:[json dataUsingEncoding:NSUTF8StringEncoding]];
	[request setDelegate:self];
	[request setCompletionBlock:^{
		NSLog(@"Request complete");
                NSString *responseString = [request responseString];
		responseString = [responseString stringByReplacingOccurrencesOfString:@"\"" withString:@""];
		[self parseEvents:responseString];
		[self.groupedTableView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:NO];		
		
		[MBProgressHUD hideHUDForView:self.view animated:YES];

    }];
    [request setFailedBlock:^{
		NSLog(@"Request err");
		[MBProgressHUD hideHUDForView:self.view animated:YES];
        NSError *error = [request error];
        NSLog(@"Error: %@", error.localizedDescription);
    }];
 
	[request startAsynchronous];
	MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
	hud.labelText = @"Loading events...";
	NSLog(@"Request sent");

}

- (void) parseEvents:(NSString *)token {

	NSURL *eventsUrl = [NSURL URLWithString:@"http://test.....?pageNumber=1&pageSize=5"];
	ASIHTTPRequest *_request = [ASIHTTPRequest requestWithURL:eventsUrl];
    __weak ASIHTTPRequest *request = _request;
	[request addRequestHeader:@"TOKEN_HEADER" value:token];
	[request setDelegate:self];
	[request setCompletionBlock:^{
        NSString *responseString = [request responseString];
		self.events = [Event parseEventJSON:responseString];
    }];
    [request setFailedBlock:^{
        NSError *error = [request error];
        NSString *responseString = [request responseString];
        NSLog(@"Error: %@", error.localizedDescription);
    }];
 
	[request startAsynchronous];


}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
	if (indexPath.row == 0){
		SectionHeaderCell *cell = [tableView dequeueReusableCellWithIdentifier:@"TableHeaderCell"];
		[cell.title setFont:self.labelFont];

		cell.title.text = [[self.sectionsBoolean[indexPath.section] title] uppercaseString];
		cell.title.textColor = [self colorWithHexString:@"3d3d3d"];
		return cell;
	}
	else {
	UITableViewCell *cell =  [self eventCell:tableView indexAt:indexPath.row - 1];
		return cell;
	}

}

- (UITableViewCell*) eventCell:(UITableView *)tableView indexAt:(int)index {

			NSString *eventTitle = [[self.events objectAtIndex:index] title] ;
			EventHomeCell *cell = [tableView dequeueReusableCellWithIdentifier:@"EventCell"];
			return cell;


}


- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
        if (indexPath.row != 0) {
		self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@" " style:UIBarButtonItemStylePlain target:nil action:nil];
	
        }
		else {
			[super tableView:tableView didSelectRowAtIndexPath:indexPath];
		}
}


- (void)viewDidUnload
{
    [super viewDidUnload];
    // Release any retained subviews of the main view.
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

@end

gistfile1.m

//
//  EventsViewController.m
//  Student Scene
//
//  Created by Alvaro Pereyra Rabanal on 7/6/12.
//  Copyright (c) 2012 Alvaro Pereyra Rabanal. All rights reserved.
//

#import "EventsViewController.h"
#import "Section.h"
#import "SectionHeaderCell.h"
#import "ASIHTTPRequest.h"
#import "EventHomeCell.h"
#import "MBProgressHUD.h"

@interface EventsViewController ()

@end

@implementation EventsViewController
@synthesize events;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
	self.events = [[NSMutableArray alloc] initWithObjects:nil];
	[self loadEvents];	
	[self createDetailsButton];	
	// Do any additional setup after loading the view.
}


- (void) loadEvents {

	NSURL *authenticationURL = [NSURL URLWithString:@"http://test....."];
	
	NSString *jsonParamsFormat = @"username=%@&password=%@";
	NSString *json = [NSString stringWithFormat:jsonParamsFormat,
                      @"....", @"...."];
 
	ASIHTTPRequest *_request = [ASIHTTPRequest requestWithURL:authenticationURL];
       __weak ASIHTTPRequest *request = _request;
	request.requestMethod = @"POST";
	[request addRequestHeader:@"Content-Type" value:@"application/x-www-form-urlencoded"];
	[request appendPostData:[json dataUsingEncoding:NSUTF8StringEncoding]];
	[request setDelegate:self];
	[request setCompletionBlock:^{
		NSLog(@"Request complete");
                NSString *responseString = [request responseString];
		responseString = [responseString stringByReplacingOccurrencesOfString:@"\"" withString:@""];
		[self parseEvents:responseString];
		[self.groupedTableView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:NO];		
		
		[MBProgressHUD hideHUDForView:self.view animated:YES];

    }];
    [request setFailedBlock:^{
		NSLog(@"Request err");
		[MBProgressHUD hideHUDForView:self.view animated:YES];
        NSError *error = [request error];
        NSLog(@"Error: %@", error.localizedDescription);
    }];
 
	[request startAsynchronous];
	MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
	hud.labelText = @"Loading events...";
	NSLog(@"Request sent");

}

- (void) parseEvents:(NSString *)token {

	NSURL *eventsUrl = [NSURL URLWithString:@"http://test.....?pageNumber=1&pageSize=5"];
	ASIHTTPRequest *_request = [ASIHTTPRequest requestWithURL:eventsUrl];
    __weak ASIHTTPRequest *request = _request;
	[request addRequestHeader:@"TOKEN_HEADER" value:token];
	[request setDelegate:self];
	[request setCompletionBlock:^{
        NSString *responseString = [request responseString];
		self.events = [Event parseEventJSON:responseString];
    }];
    [request setFailedBlock:^{
        NSError *error = [request error];
        NSString *responseString = [request responseString];
        NSLog(@"Error: %@", error.localizedDescription);
    }];
 
	[request startAsynchronous];


}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
	if (indexPath.row == 0){
		SectionHeaderCell *cell = [tableView dequeueReusableCellWithIdentifier:@"TableHeaderCell"];
		[cell.title setFont:self.labelFont];

		cell.title.text = [[self.sectionsBoolean[indexPath.section] title] uppercaseString];
		cell.title.textColor = [self colorWithHexString:@"3d3d3d"];
		return cell;
	}
	else {
	UITableViewCell *cell =  [self eventCell:tableView indexAt:indexPath.row - 1];
		return cell;
	}

}

- (UITableViewCell*) eventCell:(UITableView *)tableView indexAt:(int)index {

			NSString *eventTitle = [[self.events objectAtIndex:index] title] ;
			EventHomeCell *cell = [tableView dequeueReusableCellWithIdentifier:@"EventCell"];
			return cell;


}


- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
        if (indexPath.row != 0) {
		self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@" " style:UIBarButtonItemStylePlain target:nil action:nil];
	
        }
		else {
			[super tableView:tableView didSelectRowAtIndexPath:indexPath];
		}
}


- (void)viewDidUnload
{
    [super viewDidUnload];
    // Release any retained subviews of the main view.
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

@end

GroupedViewController.m

//
//  GroupedViewController.m
//  Student Scene
//
//  Created by Alvaro Pereyra Rabanal on 7/30/12.
//  Copyright (c) 2012 Alvaro Pereyra Rabanal. All rights reserved.
//

#import "GroupedViewController.h"
#import "Section.h"
#import "EventHomeCell.h"
#import "SectionHeaderCell.h"

@interface GroupedViewController ()

@end

@implementation GroupedViewController
@synthesize groupedTableView;
@synthesize sectionsBoolean;


- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
	[self groupedTableView].backgroundColor = [UIColor clearColor];
	[self groupedTableView].separatorStyle = UITableViewCellSeparatorStyleNone;
	self.sectionsBoolean = [[NSMutableArray alloc] initWithCapacity:4];
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
	return self.sectionsBoolean.count;
}
 
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

        if ([self.sectionsBoolean[section] opened]) {				
      	    if ([self.sectionsBoolean[section] collection]) {
	      return [[self.sectionsBoolean[section] collection] count] + 1;
    	    }
	    else {
	    return [self.sectionsBoolean[section] rowsPerSection] + 1;
	    }
        } else {
           ///we just want the header cell
           return 1;
        }
}


- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
	if (indexPath.row == 0){
	    return HEADER_HEIGHT;
	}
	else {
            return [self.sectionsBoolean[indexPath.section] rowHeightPerSection];
	}

}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
        if (indexPath.row == 0) {
          [self.sectionsBoolean[indexPath.section] setOpened:newValue];
          [self.groupedTableView reloadSections:[NSIndexSet indexSetWithIndex:indexPath.section] withRowAnimation:UITableViewRowAnimationNone];
        }
}

- (UITableViewCell*)headerCell:(UITableView*) tableView atIndex:(int)index{

	SectionHeaderCell *cell = [tableView dequeueReusableCellWithIdentifier:@"TableHeaderCell"];
	[cell.title setFont:self.labelFont];
	cell.title.text = [[self.sectionsBoolean[index] title] uppercaseString];
	cell.title.textColor = [self colorWithHexString:@"3d3d3d"];
	return cell;
}

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

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

@end