mirror of
https://github.com/zhigang1992/RestKit.git
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f3c0995d5e
* Removed RestKit from inheritance hierarchy * Mappings are implemented as concrete classes * Mapper is much more flexible & powerful * Much more robust error handling * Serialization is reimplemented as an object mapping operation * Added ability to serialize to JSON natively * Reworked Core Data integration * Simplified the codebase substantially
110 lines
3.1 KiB
Objective-C
110 lines
3.1 KiB
Objective-C
//
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// DBEditTopicViewController.m
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// DiscussionBoard
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//
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// Created by Jeremy Ellison on 1/10/11.
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// Copyright 2011 Two Toasters. All rights reserved.
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//
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#import "DBTopicViewController.h"
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#import "../Models/DBTopic.h"
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#import "../Models/DBUser.h"
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@implementation DBTopicViewController
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@synthesize topic = _topic;
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- (id)initWithNavigatorURL:(NSURL*)URL query:(NSDictionary*)query {
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if (self = [super initWithNavigatorURL:URL query:query]) {
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_topic = [[DBTopic object] retain];
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_topic.name = @"";
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}
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return self;
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}
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- (id)initWithTopicID:(NSString*)topicID {
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if (self = [super initWithStyle:UITableViewStyleGrouped]) {
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_topic = [[DBTopic findFirstByAttribute:@"topicID" withValue:topicID] retain];
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}
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return self;
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}
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- (void)dealloc {
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TT_RELEASE_SAFELY(_topic);
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[super dealloc];
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}
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- (void)viewDidUnload {
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TT_RELEASE_SAFELY(_topicNameField);
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}
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- (void)loadView {
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[super loadView];
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self.tableViewStyle = UITableViewStyleGrouped;
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if (![self.topic isNewRecord]) {
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// Ensure we are logged in as the User who created the Topic
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self.requiredUser = self.topic.user;
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}
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[self presentLoginViewControllerIfNecessary];
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_topicNameField = [[UITextField alloc] initWithFrame:CGRectZero];
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_topicNameField.placeholder = @"topic name";
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}
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- (void)createModel {
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NSMutableArray* items = [NSMutableArray array];
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_topicNameField.text = self.topic.name;
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[items addObject:[TTTableControlItem itemWithCaption:@"Name" control:_topicNameField]];
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if ([self.topic isNewRecord]) {
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self.title = @"New Topic";
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[items addObject:[TTTableButton itemWithText:@"Create" delegate:self selector:@selector(createButtonWasPressed:)]];
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} else {
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self.title = @"Edit Topic";
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[items addObject:[TTTableButton itemWithText:@"Update" delegate:self selector:@selector(updateButtonWasPressed:)]];
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[items addObject:[TTTableButton itemWithText:@"Delete" delegate:self selector:@selector(destroyButtonWasPressed:)]];
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}
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self.dataSource = [TTListDataSource dataSourceWithItems:items];
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}
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#pragma mark Actions
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- (void)createButtonWasPressed:(id)sender {
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self.topic.name = _topicNameField.text;
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[[RKObjectManager sharedManager] postObject:self.topic delegate:self];
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}
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- (void)updateButtonWasPressed:(id)sender {
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self.topic.name = _topicNameField.text;
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[[RKObjectManager sharedManager] putObject:self.topic delegate:self];
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}
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- (void)destroyButtonWasPressed:(id)sender {
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[[RKObjectManager sharedManager] deleteObject:self.topic delegate:self];
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}
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#pragma mark RKObjectLoaderDelegate methods
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- (void)objectLoader:(RKObjectLoader*)objectLoader didLoadObjects:(NSArray*)objects {
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// Post notification telling view controllers to reload.
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[[NSNotificationCenter defaultCenter] postNotificationName:DBContentObjectDidChangeNotification object:[objects lastObject]];
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[self.navigationController popViewControllerAnimated:YES];
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}
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- (void)objectLoader:(RKObjectLoader*)objectLoader didFailWithError:(NSError*)error {
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[[[[UIAlertView alloc] initWithTitle:@"Error"
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message:[error localizedDescription]
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delegate:nil
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cancelButtonTitle:@"OK"
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otherButtonTitles:nil] autorelease] show];
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}
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@end
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