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Improved Three20 integration by leveraging object mapping to instantiate TTTableItems

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This commit is contained in:
Blake Watters
2011-06-09 16:01:11 -04:00
parent 7bf3e0f273
commit 69ded29245
10 changed files with 205 additions and 139 deletions
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33
Examples/RKDiscussionBoardExample/DiscussionBoard/Code/Controllers/DBTopicsTableViewController.m
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@@ -21,10 +21,19 @@
return self;
}
- (void)createModel {
- (void)createModel {
/**
Map loaded objects into Three20 Table Item instances!
*/
RKObjectTTTableViewDataSource* dataSource = [RKObjectTTTableViewDataSource dataSource];
RKObjectMapping* mapping = [RKObjectMapping mappingForClass:[TTTableTextItem class]];
[mapping mapKeyPath:@"name" toAttribute:@"text"];
[mapping mapKeyPath:@"topicNavURL" toAttribute:@"URL"];
[dataSource mapObjectClass:[DBTopic class] toTableItemWithMapping:mapping];
RKObjectLoader* objectLoader = [[RKObjectManager sharedManager] objectLoaderWithResourcePath:@"/topics" delegate:nil];
self.model = [RKObjectLoaderTTModel modelWithObjectLoader:objectLoader];
dataSource.model = [RKObjectLoaderTTModel modelWithObjectLoader:objectLoader];
self.dataSource = dataSource;
UIBarButtonItem* item = nil;
if ([[DBUser currentUser] isLoggedIn]) {
item = [[UIBarButtonItem alloc] initWithTitle:@"Logout" style:UIBarButtonItemStyleBordered target:self action:@selector(logoutButtonWasPressed:)];
@@ -49,22 +58,4 @@
[[DBUser currentUser] logout];
}
- (void)didLoadModel:(BOOL)firstTime {
[super didLoadModel:firstTime];
RKObjectLoaderTTModel* model = (RKObjectLoaderTTModel*)self.model;
NSMutableArray* items = [NSMutableArray arrayWithCapacity:[model.objects count]];
for (DBTopic* topic in model.objects) {
NSString* topicPostsURL = RKMakePathWithObject(@"db://topics/(topicID)/posts", topic);
[items addObject:[TTTableTextItem itemWithText:topic.name URL:topicPostsURL]];
}
// Ensure that the datasource's model is still the RKRequestTTModel;
// Otherwise isOutdated will not work.
TTListDataSource* dataSource = [TTListDataSource dataSourceWithItems:items];
dataSource.model = model;
self.dataSource = dataSource;
}
@end