UISearchBar

SecondViewController

//
//  SecondViewController.m
//  FarsimanTab
//
//  Created by Marcio Valenzuela on 11/26/12.
//  Copyright (c) 2012 Marcio Valenzuela. All rights reserved.
//

#import "SecondViewController.h"
#import "SDCoreDataController.h"
#import "TableViewCell.h"
#import "Holiday.h"
#import "Birthday.h"
#import "SDSyncEngine.h"

@interface SecondViewController ()

@property (nonatomic, strong) NSDateFormatter *dateFormatter;
@property (nonatomic, strong) NSManagedObjectContext *managedObjectContext;

@end

@implementation SecondViewController

@synthesize dateFormatter;
@synthesize managedObjectContext;

@synthesize entityName;
@synthesize refreshButton;
@synthesize dates;

@synthesize filteredResultsArray;
@synthesize resultsSearchBar;

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

- (void)loadRecordsFromCoreData {
    [self.managedObjectContext performBlockAndWait:^{
        [self.managedObjectContext reset];
        NSError *error = nil;
        NSFetchRequest *request = [[NSFetchRequest alloc] initWithEntityName:self.entityName];
        [request setSortDescriptors:[NSArray arrayWithObject:
                                     [NSSortDescriptor sortDescriptorWithKey:@"date" ascending:YES]]];
        self.dates = [self.managedObjectContext executeFetchRequest:request error:&error];
    }];
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    self.managedObjectContext = [[SDCoreDataController sharedInstance] newManagedObjectContext];
    self.dateFormatter = [[NSDateFormatter alloc] init];
    [self.dateFormatter setTimeZone:[NSTimeZone timeZoneWithName:@"GMT"]];
    [self.dateFormatter setDateStyle:NSDateFormatterMediumStyle];
    self.entityName = @"Holiday";
    [self loadRecordsFromCoreData];
    
    //UISearch
    // Initialize the filteredCandyArray with a capacity equal to the candyArray's capacity
    self.filteredResultsArray = [NSMutableArray arrayWithCapacity:[self.dates count]];
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    
    [self checkSyncStatus];
    
    [[NSNotificationCenter defaultCenter] addObserverForName:@"SDSyncEngineSyncCompleted" object:nil queue:nil usingBlock:^(NSNotification *note) {
        [self loadRecordsFromCoreData];
        [self.tableView reloadData];
    }];
    [[SDSyncEngine sharedEngine] addObserver:self forKeyPath:@"syncInProgress" options:NSKeyValueObservingOptionNew context:nil];
}

- (void)viewDidDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];
    [[NSNotificationCenter defaultCenter] removeObserver:self name:@"SDSyncEngineSyncCompleted" object:nil];
    [[SDSyncEngine sharedEngine] removeObserver:self forKeyPath:@"syncInProgress"];
}

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

- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
    return YES;
}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        NSManagedObject *date = [self.dates objectAtIndex:indexPath.row];
        [self.managedObjectContext performBlockAndWait:^{
            [self.managedObjectContext deleteObject:date];
            NSError *error = nil;
            BOOL saved = [self.managedObjectContext save:&error];
            if (!saved) {
                NSLog(@"Error saving main context: %@", error);
            }
            
            [[SDCoreDataController sharedInstance] saveMasterContext];
            [self loadRecordsFromCoreData];
            [self.tableView reloadData];
        }];
    }
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    // Return the number of sections.
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    // Return the number of rows in the section.
    if (tableView == self.searchDisplayController.searchResultsTableView) {
        return [filteredResultsArray count];
    } else {
        return [self.dates count];
    }
    
    //return [self.dates count];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    TableViewCell *cell = nil;
    
    
    // Check to see whether the normal table or search results table is being displayed and set the Candy object from the appropriate array
    
    //if/else #B
    if (tableView == self.searchDisplayController.searchResultsTableView) {
        static NSString *CellIdentifier = @"HolidayCell";
        cell = [self.tableView dequeueReusableCellWithIdentifier:CellIdentifier];

        Holiday *holiday = [filteredResultsArray objectAtIndex:indexPath.row];
        NSLog(@"the holiday is %@", holiday.name);
        cell.nameLabel.text = holiday.name;

    } else {
    
            static NSString *CellIdentifier = @"HolidayCell";
            cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
        
            Holiday *holiday = [self.dates objectAtIndex:indexPath.row];
            cell.nameLabel.text = holiday.name;
            cell.dateLabel.text = holiday.latitude;
            if (holiday.image != nil) {
                UIImage *image = [UIImage imageWithData:holiday.image];
                cell.imageView.image = image;
            } else {
                cell.imageView.image = nil;
            }
    }// if/else #B
    return cell;
}

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    
}

- (void)viewDidUnload {
    [self setRefreshButton:nil];
    [super viewDidUnload];
}

- (IBAction)refreshButtonTouched:(id)sender {
    [[SDSyncEngine sharedEngine] startSync];
}

- (void)checkSyncStatus {
    if ([[SDSyncEngine sharedEngine] syncInProgress]) {
        [self replaceRefreshButtonWithActivityIndicator];
    } else {
        [self removeActivityIndicatorFromRefreshButon];
    }
}

- (void)replaceRefreshButtonWithActivityIndicator {
    UIActivityIndicatorView *activityIndicator = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 25, 25)];
    [activityIndicator setAutoresizingMask:(UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin)];
    [activityIndicator startAnimating];
    UIBarButtonItem *activityItem = [[UIBarButtonItem alloc] initWithCustomView:activityIndicator];
    self.navigationItem.leftBarButtonItem = activityItem;
}

- (void)removeActivityIndicatorFromRefreshButon {
    self.navigationItem.leftBarButtonItem = self.refreshButton;
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
    if ([keyPath isEqualToString:@"syncInProgress"]) {
        [self checkSyncStatus];
    }
}

#pragma mark Content Filtering
-(void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope {
    // Update the filtered array based on the search text and scope.
    // Remove all objects from the filtered search array
    [self.filteredResultsArray removeAllObjects];
    // Filter the array using NSPredicate
    NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF.name contains[c] %@",searchText];
    filteredResultsArray = [NSMutableArray arrayWithArray:[self.dates filteredArrayUsingPredicate:predicate]];
}

#pragma mark - UISearchDisplayController Delegate Methods
-(BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString {
    // Tells the table data source to reload when text changes
    [self filterContentForSearchText:searchString scope:
     [[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:[self.searchDisplayController.searchBar selectedScopeButtonIndex]]];
    // Return YES to cause the search result table view to be reloaded.
    return YES;
}

-(BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption {
    // Tells the table data source to reload when scope bar selection changes
    [self filterContentForSearchText:self.searchDisplayController.searchBar.text scope:
     [[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:searchOption]];
    // Return YES to cause the search result table view to be reloaded.
    return YES;
}

#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Navigation logic may go here. Create and push another view controller.
    /*
     <#DetailViewController#> *detailViewController = [[<#DetailViewController#> alloc] initWithNibName:@"<#Nib name#>" bundle:nil];
     // ...
     // Pass the selected object to the new view controller.
     [self.navigationController pushViewController:detailViewController animated:YES];
     [detailViewController release];
     */
}

@end