//  DetailViewController.h
#import <UIKit/UIKit.h>

#import <CoreData/CoreData.h>

@class RootViewController;

@interface DetailViewController : UIViewController <UIPopoverControllerDelegate, UISplitViewControllerDelegate>

@property (nonatomic, retain) IBOutlet UIToolbar *toolbar;

@property (nonatomic, retain) NSManagedObject *detailItem;

@property (nonatomic, retain) IBOutlet UILabel *detailDescriptionLabel;

@property (nonatomic, assign) IBOutlet RootViewController *rootViewController;

- (IBAction)insertNewObject:(id)sender;

@end

//  DetailViewController.m


#import "DetailViewController.h"

#import "RootViewController.h"

@interface DetailViewController ()
@property (nonatomic, retain) UIPopoverController *popoverController;
- (void)configureView;
@end

@implementation DetailViewController

@synthesize toolbar = _toolbar;
@synthesize detailItem = _detailItem;
@synthesize detailDescriptionLabel = _detailDescriptionLabel;
@synthesize popoverController = _myPopoverController;
@synthesize rootViewController = _rootViewController;

#pragma mark - Managing the detail item

/*
 When setting the detail item, update the view and dismiss the popover controller if it's showing.
 */
- (void)setDetailItem:(NSManagedObject *)managedObject
{
    if (_detailItem != managedObject) {
        [_detailItem release];
        _detailItem = [managedObject retain];

        // Update the view.
        [self configureView];
    }

    if (self.popoverController != nil) {
        [self.popoverController dismissPopoverAnimated:YES];
    }
}

- (void)configureView
{
    // Update the user interface for the detail item.
    NSLog(@"9999");
    // Normally should use accessor method, but using KVC here avoids adding a custom class to the template.
    self.detailDescriptionLabel.text = [[self.detailItem valueForKey:@"timeStamp"] description];
}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
}

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
}

- (void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
}

- (void)viewDidDisappear:(BOOL)animated
{
    [super viewDidDisappear:animated];
}

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

#pragma mark - Split view support

- (void)splitViewController:(UISplitViewController *)svc willHideViewController:(UIViewController *)aViewController withBarButtonItem:(UIBarButtonItem *)barButtonItem forPopoverController: (UIPopoverController *)pc
{
    barButtonItem.title = @"Events";
    NSMutableArray *items = [[self.toolbar items] mutableCopy];
    [items insertObject:barButtonItem atIndex:0];
    [self.toolbar setItems:items animated:YES];
    [items release];
    self.popoverController = pc;
}

// Called when the view is shown again in the split view, invalidating the button and popover controller.
- (void)splitViewController:(UISplitViewController *)svc willShowViewController:(UIViewController *)aViewController invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem
{
    NSMutableArray *items = [[self.toolbar items] mutableCopy];
    [items removeObjectAtIndex:0];
    [self.toolbar setItems:items animated:YES];
    [items release];
    self.popoverController = nil;
}

/*
 // Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad
{
    [super viewDidLoad];
}
 */

- (void)viewDidUnload
{
    [super viewDidUnload];

    // Release any retained subviews of the main view.
    // e.g. self.myOutlet = nil;
    self.popoverController = nil;
}

#pragma mark - Memory management

- (void)didReceiveMemoryWarning
{
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];

    // Release any cached data, images, etc that aren't in use.
}

- (void)dealloc
{
    [_myPopoverController release];
    [_toolbar release];
    [_detailItem release];
    [_detailDescriptionLabel release];
    [super dealloc];
}

#pragma mark - Object insertion

- (IBAction)insertNewObject:(id)sender
{
    [self.rootViewController insertNewObject:sender];
}

@end

//  RootViewController.h
#import <UIKit/UIKit.h>
#import "CoreDataHelper.h"
#import "File.h"

@class DetailViewController;

@interface RootViewController : UITableViewController <NSFetchedResultsControllerDelegate>{
    NSManagedObjectContext *managedObjectContext;
    NSMutableArray *entityArray;
    NSString *entityName;
    NSPredicate *entitySearchPredicate;
}

-(void) loadDocuments;

@property (nonatomic, retain) NSPredicate *entitySearchPredicate;
@property (nonatomic, retain) IBOutlet DetailViewController *detailViewController;
@property (nonatomic, retain) NSString *entityName;
@property (nonatomic, retain) NSMutableArray *entityArray;
@property (nonatomic, retain) NSFetchedResultsController *fetchedResultsController;
@property (nonatomic, retain) NSManagedObjectContext *managedObjectContext;

@end

//  RootViewController.m


#import "RootViewController.h"

#import "DetailViewController.h"

@implementation RootViewController

@synthesize detailViewController;
@synthesize fetchedResultsController;
@synthesize managedObjectContext;
@synthesize entityName;
@synthesize entitySearchPredicate;
@synthesize entityArray;

- (void)viewDidLoad
{
    NSLog(@"Loading Docs");
    self.title = self.entityName;
    self.clearsSelectionOnViewWillAppear = NO;
    self.contentSizeForViewInPopover = CGSizeMake(320.0, 600.0);
    if(self.entityArray == nil){
        [self loadDocuments];
    }
    [super viewDidLoad];
}

-(void) loadDocuments {
    if(entitySearchPredicate == nil){
        NSMutableArray* mutableFetchResults = [CoreDataHelper getObjectsFromContext:self.entityName :@"name" :YES :managedObjectContext];
        self.entityArray = mutableFetchResults;
    }
    else
    {
        NSMutableArray* mutableFetchResults = [CoreDataHelper searchObjectsInContext:self.entityName :entitySearchPredicate :@"name" :YES :managedObjectContext];
        self.entityArray = mutableFetchResults;
    }

}
- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
}

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
}

- (void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
}

- (void)viewDidDisappear:(BOOL)animated
{
    [super viewDidDisappear:animated];
}

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

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}

- (void)viewDidUnload {
    // Release anything that can be recreated in viewDidLoad or on demand.
    // e.g. self.myOutlet = nil;
}

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


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

    NSManagedObject *object = (NSManagedObject *)[entityArray objectAtIndex:indexPath.row];

    NSString *CellIdentifier = @"Cell";
    int indicator = UITableViewCellAccessoryNone;
    if(self.entityName == @"Category"){
        if([[object valueForKey:@"SubCategory"] count] > 0){
            indicator = UITableViewCellAccessoryDisclosureIndicator;
            CellIdentifier = @"CellWithDisclosure";
        }
    } else if(self.entityName == @"SubCategory") {
        if([[object valueForKey:@"File"] count] > 0){
            indicator = UITableViewCellAccessoryDisclosureIndicator;
            CellIdentifier = @"CellWithDisclosure";
        }
    }

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
    }

    cell.accessoryType = indicator;
    cell.textLabel.text = [object valueForKey:@"name"];
    return cell;
}


- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath
{
    // The table view should not be re-orderable.
    return NO;
}

- (void)tableView:(UITableView *)aTableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Set the detail item in the detail view controller.
    if(self.entityName == @"Category" || self.entityName == @"SubCategory")
    {
        // Get the object the user selected from the array
        NSManagedObject *selectedObject = [entityArray objectAtIndex:indexPath.row];

        // Create a new table view of this very same class.
        RootViewController *rootViewController = [[RootViewController alloc]
                                                  initWithStyle:UITableViewStylePlain];

        // Pass the managed object context
        rootViewController.managedObjectContext = self.managedObjectContext;
        NSPredicate *predicate = nil;


        if(self.entityName == @"Category")
        {
            rootViewController.entityName = @"SubCategory";

            // Create a query predicate to find all child objects of the selected object.
            predicate = [NSPredicate predicateWithFormat:@"(Category == %@)", selectedObject];

        }
        else if(self.entityName == @"SubCategory")
        {
            rootViewController.entityName = @"File";

            // Create a query predicate to find all child objects of the selected object.
            predicate = [NSPredicate predicateWithFormat:@"(SubCategory == %@)", selectedObject];
        }
        [rootViewController setEntitySearchPredicate:predicate];

        //Push the new table view on the stack
        [self.navigationController pushViewController:rootViewController animated:YES];
        [rootViewController release];
    }
    else if(self.entityName == @"File")
    {
        // Get the object the user selected from the array
        File *selectedFile = [entityArray objectAtIndex:indexPath.row];
        //detailViewController.source = selectedFile.source;
        detailViewController.detailItem = selectedFile;
        NSLog(@"CLICKY");
    }

}

- (void)didReceiveMemoryWarning
{
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];

    // Relinquish ownership any cached data, images, etc that aren't in use.
}

- (void)dealloc
{
    if(entitySearchPredicate != nil)
    {
        [entitySearchPredicate release];
    }
    [detailViewController release];
    [fetchedResultsController release];
    [managedObjectContext release];
    [entityArray release];
    [entityName release];
    [super dealloc];
}

@end