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restore selected post

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Sami Samhuri 2015-06-28 13:30:49 -07:00
parent 4ce730490c
commit eca3042fcf
1 changed files with 21 additions and 5 deletions
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26
Blog/PostsViewController.m
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@ -38,6 +38,7 @@
@property (nonatomic, copy) NSString *blogStatusText; @property (nonatomic, copy) NSString *blogStatusText;
@property (nonatomic, strong) NSDate *blogStatusDate; @property (nonatomic, strong) NSDate *blogStatusDate;
@property (nonatomic, strong) NSTimer *blogStatusTimer; @property (nonatomic, strong) NSTimer *blogStatusTimer;
@property (nonatomic, strong) NSIndexPath *selectedIndexPath;
@property (nonatomic, weak) NSLayoutConstraint *titleViewWidthConstraint; @property (nonatomic, weak) NSLayoutConstraint *titleViewWidthConstraint;
@property (nonatomic, weak) NSLayoutConstraint *titleViewHeightConstraint; @property (nonatomic, weak) NSLayoutConstraint *titleViewHeightConstraint;
@property (nonatomic, weak) NSLayoutConstraint *titleLabelTopConstraint; @property (nonatomic, weak) NSLayoutConstraint *titleLabelTopConstraint;
@ -197,9 +198,13 @@ static const NSUInteger SectionPublished = 1;
if (self.clearsSelectionOnViewWillAppear && self.tableView.indexPathForSelectedRow) { if (self.clearsSelectionOnViewWillAppear && self.tableView.indexPathForSelectedRow) {
[self.tableView deselectRowAtIndexPath:self.tableView.indexPathForSelectedRow animated:YES]; [self.tableView deselectRowAtIndexPath:self.tableView.indexPathForSelectedRow animated:YES];
} }
if (!self.postCollections) { PMKPromise *postP = self.postCollections ? [PMKPromise promiseWithValue:self.postCollections] : [self requestPostsWithCaching:YES];
[self requestPostsWithCaching:YES]; postP.then(^{
} if (self.selectedIndexPath && [self postForIndexPath:self.selectedIndexPath]) {
[self.tableView selectRowAtIndexPath:self.selectedIndexPath animated:NO scrollPosition:UITableViewScrollPositionMiddle];
self.selectedIndexPath = nil;
}
});
} }
- (void)viewDidAppear:(BOOL)animated { - (void)viewDidAppear:(BOOL)animated {
@ -265,11 +270,19 @@ static const NSUInteger SectionPublished = 1;
} }
- (PostCollection *)postCollectionForSection:(NSInteger)section { - (PostCollection *)postCollectionForSection:(NSInteger)section {
return [self collectionsForTableView][section]; NSArray *collections = [self collectionsForTableView];
if (section < collections.count) {
return collections[section];
}
return nil;
} }
- (Post *)postForIndexPath:(NSIndexPath *)indexPath { - (Post *)postForIndexPath:(NSIndexPath *)indexPath {
return [self postCollectionForSection:indexPath.section].posts[indexPath.row]; PostCollection *collection = [self postCollectionForSection:indexPath.section];
if (indexPath.row < collection.posts.count) {
return collection.posts[indexPath.row];
}
return nil;
} }
- (NSMutableArray *)drafts { - (NSMutableArray *)drafts {
@ -491,16 +504,19 @@ static const NSUInteger SectionPublished = 1;
static NSString *const StateRestorationBlogStatusDateKey = @"blogStatusDate"; static NSString *const StateRestorationBlogStatusDateKey = @"blogStatusDate";
static NSString *const StateRestorationBlogStatusTextKey = @"blogStatusText"; static NSString *const StateRestorationBlogStatusTextKey = @"blogStatusText";
static NSString *const StateRestorationTableViewSelectedIndexPathKey = @"tableView.indexPathForSelectedRow";
- (void)encodeRestorableStateWithCoder:(NSCoder *)coder { - (void)encodeRestorableStateWithCoder:(NSCoder *)coder {
[coder encodeObject:self.blogStatusDate forKey:StateRestorationBlogStatusDateKey]; [coder encodeObject:self.blogStatusDate forKey:StateRestorationBlogStatusDateKey];
[coder encodeObject:self.blogStatusText forKey:StateRestorationBlogStatusTextKey]; [coder encodeObject:self.blogStatusText forKey:StateRestorationBlogStatusTextKey];
[coder encodeObject:self.tableView.indexPathForSelectedRow forKey:StateRestorationTableViewSelectedIndexPathKey];
[super encodeRestorableStateWithCoder:coder]; [super encodeRestorableStateWithCoder:coder];
} }
- (void)decodeRestorableStateWithCoder:(NSCoder *)coder { - (void)decodeRestorableStateWithCoder:(NSCoder *)coder {
self.blogStatusDate = [coder decodeObjectForKey:StateRestorationBlogStatusDateKey]; self.blogStatusDate = [coder decodeObjectForKey:StateRestorationBlogStatusDateKey];
self.blogStatusText = [coder decodeObjectForKey:StateRestorationBlogStatusTextKey]; self.blogStatusText = [coder decodeObjectForKey:StateRestorationBlogStatusTextKey];
self.selectedIndexPath = [coder decodeObjectForKey:StateRestorationTableViewSelectedIndexPathKey];
[super decodeRestorableStateWithCoder:coder]; [super decodeRestorableStateWithCoder:coder];
} }