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//
// UYLMasterViewController.m
//
// Created by Keith Harrison http://useyourloaf.com
// Copyright (c) 2012 Keith Harrison. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// Neither the name of Keith Harrison nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ''AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#import "UYLTaskListViewController.h"
#import "Task.h"
#import "NSNumber+UYLTimeFormatter.h"
@interface UYLTaskListViewController ()
- (void)configureCell:(UITableViewCell *)cell atIndexPath:(NSIndexPath *)indexPath;
@end
@implementation UYLTaskListViewController
@synthesize detailViewController = _detailViewController;
@synthesize fetchedResultsController = __fetchedResultsController;
@synthesize managedObjectContext = __managedObjectContext;
#pragma mark -
#pragma mark === View Life Cycle Management ===
#pragma mark -
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self)
{
self.title = NSLocalizedString(@"Task List", nil);
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
{
self.clearsSelectionOnViewWillAppear = NO;
self.contentSizeForViewInPopover = CGSizeMake(320.0, 600.0);
}
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.navigationItem.leftBarButtonItem = self.editButtonItem;
UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(insertNewObject:)];
self.navigationItem.rightBarButtonItem = addButton;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return YES;
}
#pragma mark -
#pragma mark === Table View Data Source Delegate Methods ===
#pragma mark -
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return [[self.fetchedResultsController sections] count];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
id <NSFetchedResultsSectionInfo> sectionInfo = [[self.fetchedResultsController sections] objectAtIndex:section];
return [sectionInfo numberOfObjects];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier];
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone)
{
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
}
}
[self configureCell:cell atIndexPath:indexPath];
return cell;
}
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
return YES;
}
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
if (editingStyle == UITableViewCellEditingStyleDelete)
{
Task *task = [[self fetchedResultsController] objectAtIndexPath:indexPath];
if ([self.detailViewController.task isEqual:task])
{
self.detailViewController.task = nil;
}
NSManagedObjectContext *context = [self.fetchedResultsController managedObjectContext];
[context deleteObject:task];
NSError *error = nil;
if (![context save:&error])
{
NSLog(@"Unresolved error %@, %@", error, [error userInfo]);
}
}
}
#pragma mark -
#pragma mark === Table View Delegate Methods ===
#pragma mark -
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
Task *task = [[self fetchedResultsController] objectAtIndexPath:indexPath];
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone)
{
UYLTaskViewController *detailViewController = [[UYLTaskViewController alloc] initWithNibName:@"UYLTaskViewController_iPhone"
bundle:nil];
detailViewController.task = task;
[self.navigationController pushViewController:detailViewController animated:YES];
}
else
{
self.detailViewController.task = task;
}
}
#pragma mark -
#pragma mark === Fetched Results Controller ===
#pragma mark -
- (NSFetchedResultsController *)fetchedResultsController
{
if (__fetchedResultsController != nil)
{
return __fetchedResultsController;
}
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
NSEntityDescription *entity = [NSEntityDescription entityForName:@"Task" inManagedObjectContext:self.managedObjectContext];
[fetchRequest setEntity:entity];
[fetchRequest setFetchBatchSize:20];
NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"createdAt" ascending:NO];
NSArray *sortDescriptors = [NSArray arrayWithObjects:sortDescriptor, nil];
[fetchRequest setSortDescriptors:sortDescriptors];
NSFetchedResultsController *frc = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest
managedObjectContext:self.managedObjectContext
sectionNameKeyPath:nil
cacheName:@"Todo"];
frc.delegate = self;
self.fetchedResultsController = frc;
NSError *error = nil;
if (![self.fetchedResultsController performFetch:&error])
{
NSLog(@"Unresolved error %@, %@", error, [error userInfo]);
}
return __fetchedResultsController;
}
- (void)controllerDidChangeContent:(NSFetchedResultsController *)controller
{
[self.tableView reloadData];
}
#pragma mark -
#pragma mark === Action methods ===
#pragma mark -
- (void)insertNewObject:(id)sender
{
NSManagedObjectContext *context = [self.fetchedResultsController managedObjectContext];
NSEntityDescription *entity = [[self.fetchedResultsController fetchRequest] entity];
Task *task = [NSEntityDescription insertNewObjectForEntityForName:[entity name] inManagedObjectContext:context];
task.note = @"New Task";
task.createdAt = [NSDate date];
NSError *error = nil;
if (![context save:&error])
{
NSLog(@"Unresolved error %@, %@", error, [error userInfo]);
}
}
#pragma mark -
#pragma mark === Private methods ===
#pragma mark -
- (void)configureCell:(UITableViewCell *)cell atIndexPath:(NSIndexPath *)indexPath
{
Task *task = [self.fetchedResultsController objectAtIndexPath:indexPath];
cell.textLabel.text = task.note;
cell.detailTextLabel.text = nil;
cell.imageView.image = [UIImage imageNamed:@"unchecked.png"];
cell.accessibilityLabel = task.note;
if ([task.complete boolValue])
{
NSUInteger minutes = [task.duration integerValue] / 60;
NSUInteger seconds = [task.duration integerValue] % 60;
cell.detailTextLabel.text = [NSString stringWithFormat:@"%02u:%02u", minutes, seconds];
cell.imageView.image = [UIImage imageNamed:@"checked.png"];
NSString *durationText = [NSString stringWithFormat:@"%@ %@",task.note,
NSLocalizedString(@"completed in", nil)];
durationText = [durationText stringByAppendingString:[task.duration stringValueAsTime]];
cell.accessibilityLabel = durationText;
}
}
@end