mirror of
https://github.com/zhigang1992/NTDCoreDataTableViewController.git
synced 2026-04-01 11:54:13 +08:00
404476b6bb
Refactored some common things of a UITableViewController which is based on CoreData into this class.
95 lines
2.9 KiB
Objective-C
95 lines
2.9 KiB
Objective-C
//
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// CoreDataTableViewController.m
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//
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//
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// Created by Nicholas Tian on 3/2/14.
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// Copyright (c) 2014 Nicholas Tian. All rights reserved.
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//
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#import "NTDCoreDataTableViewController.h"
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@interface NTDCoreDataTableViewController ()
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@end
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@implementation NTDCoreDataTableViewController
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- (NSString *)cellIdentifier
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{
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return nil;
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}
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- (void)configureCell:(UITableViewCell *)cell atIndexPath:(NSIndexPath *)indexPath
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{
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}
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- (NSFetchedResultsController *)newFetchedResultsController
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{
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return nil;
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}
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#pragma mark - NSFetchedResultsController Delegate
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// Copied from NSFetchedResultsControllerDelegate Protocol Reference
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- (void)controllerWillChangeContent:(NSFetchedResultsController *)controller {
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[self.tableView beginUpdates];
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}
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- (void)controller:(NSFetchedResultsController *)controller didChangeSection:(id <NSFetchedResultsSectionInfo>)sectionInfo
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atIndex:(NSUInteger)sectionIndex forChangeType:(NSFetchedResultsChangeType)type {
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switch(type) {
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case NSFetchedResultsChangeInsert:
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[self.tableView insertSections:[NSIndexSet indexSetWithIndex:sectionIndex]
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withRowAnimation:UITableViewRowAnimationFade];
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break;
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case NSFetchedResultsChangeDelete:
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[self.tableView deleteSections:[NSIndexSet indexSetWithIndex:sectionIndex]
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withRowAnimation:UITableViewRowAnimationFade];
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break;
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}
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}
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- (void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject
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atIndexPath:(NSIndexPath *)indexPath forChangeType:(NSFetchedResultsChangeType)type
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newIndexPath:(NSIndexPath *)newIndexPath {
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UITableView *tableView = self.tableView;
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switch(type) {
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case NSFetchedResultsChangeInsert:
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[tableView insertRowsAtIndexPaths:[NSArray arrayWithObject:newIndexPath]
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withRowAnimation:UITableViewRowAnimationFade];
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break;
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case NSFetchedResultsChangeDelete:
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[tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath]
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withRowAnimation:UITableViewRowAnimationFade];
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break;
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case NSFetchedResultsChangeUpdate:
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[self configureCell:[tableView cellForRowAtIndexPath:indexPath]
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atIndexPath:indexPath];
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break;
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case NSFetchedResultsChangeMove:
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[tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath]
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withRowAnimation:UITableViewRowAnimationFade];
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[tableView insertRowsAtIndexPaths:[NSArray arrayWithObject:newIndexPath]
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withRowAnimation:UITableViewRowAnimationFade];
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break;
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}
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}
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- (void)controllerDidChangeContent:(NSFetchedResultsController *)controller {
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[self.tableView endUpdates];
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}
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@end
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