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//
// MasterViewController.m
// Juick
//
// Created by Vitaly Takmazov on 26.10.13.
// Copyright (c) 2013 com.juick. All rights reserved.
//
#import "MessagesViewController.h"
#import "MessageCell.h"
#import "Message.h"
#import "NewPostViewController.h"
#import "LoginViewController.h"
#import "ThreadViewController.h"
#import "BlogViewController.h"
#import "NSURL+PathParameters.h"
NSString* const messageCellIdentifier = @"messageCell";
@implementation MessagesViewController
- (void)viewWillAppear:(BOOL)animated {
self.navigationController.visibleViewController.title = self.title;
[self refreshData];
}
-(void) refreshData {
if ([self.path length] > 0) {
self.dataLoading = YES;
if (self.messages.count == 0) {
[self.tableView reloadData];
}
[[AppDelegate shared].api pullNextFromPath:self.path params:self.params callback:^(NSArray *next, NSError *err) {
if (err) {
[User throwUnableToLogin:self error:err path:self.path params:self.params];
return;
}
NSArray *newMsgs = next;
if ([self isAtTop:self.params]) {
if (![self.path isEqualToString:[API threadUrl]]) {
[self.messages removeAllObjects];
[self.tableView reloadData];
}
}
NSUInteger oldCount = [self.messages count];
if ([self.path isEqualToString:[API threadUrl]]) {
NSUInteger lastRid = [((Message *)[self.messages lastObject]).rid unsignedIntegerValue] + 1;
NSUInteger count = [next count];
if (oldCount > 0) {
if (lastRid && lastRid < count) {
newMsgs = [next subarrayWithRange:NSMakeRange(lastRid, count - lastRid)];
} else {
[self.refreshControl endRefreshing];
return;
}
}
}
self.dataLoading = NO;
if (self.messages.count == 0) {
[self.tableView reloadData];
}
[self.messages addObjectsFromArray:newMsgs];
NSMutableArray *indexPaths = [NSMutableArray new];
for (NSUInteger index = oldCount; index <= oldCount + [newMsgs count] - 1; index++) {
[indexPaths addObject:[NSIndexPath indexPathForRow:index inSection: 0]];
}
[self.tableView beginUpdates];
[self.tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:NO];
[self.tableView endUpdates];
[self.refreshControl endRefreshing];
if (self.shouldScrollToUnreadOnRefresh) {
NSInteger messagesCount = [self.messages count];
if (messagesCount > 0) {
NSInteger itemToScroll = [self.firstUnread integerValue] ? : self.messages.count - 1;
NSIndexPath *lastRow = [NSIndexPath indexPathForRow:MIN(itemToScroll, messagesCount - 1) inSection:0];
[self.tableView scrollToRowAtIndexPath:lastRow atScrollPosition:UITableViewScrollPositionBottom animated:NO];
}
self.firstUnread = nil;
}
}];
}
}
-(BOOL) isAtTop:(NSDictionary *)params {
return [params objectForKey:@"before_mid"] == nil && [params objectForKey:@"to"] == nil;
}
- (UIStatusBarStyle)preferredStatusBarStyle
{
return UIStatusBarStyleLightContent;
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.dataLoading = YES;
[self.view setBackgroundColor:[UIColor colorNamed:@"Background"]];
[self.tableView registerNib:[UINib nibWithNibName:@"MessageCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:messageCellIdentifier];
[self.tableView registerNib:[UINib nibWithNibName:@"ContentLoadingCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"contentLoadingCell"];
self.tableView.rowHeight = UITableViewAutomaticDimension;
self.tableView.estimatedRowHeight = 500.0f;
if (!self.messages) {
self.messages = [NSMutableArray array];
}
self.refreshControl = [UIRefreshControl new];
[self.refreshControl addTarget:self action:@selector(refreshData) forControlEvents:UIControlEventValueChanged];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(newMessage:) name:NewMessageNotificationName object:nil];
}
- (void) composePressed {
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.dataLoading && self.messages.count == 0 ? 4 : self.messages.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
if (self.dataLoading && self.messages.count == 0) {
return [tableView dequeueReusableCellWithIdentifier:@"contentLoadingCell"];
} else {
Message *msg = [self.messages objectAtIndex:indexPath.row];
MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:messageCellIdentifier forIndexPath:indexPath];
[cell configureWithMessage:msg selectable:self.shouldAllowToSelectText];
return cell;
}
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
return self.dataLoading && self.messages.count == 0 ? 200.0f : [super tableView:tableView heightForRowAtIndexPath:indexPath];
}
-(void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
Message *msg = [self.messages objectAtIndex:indexPath.row];
[self viewThreadForMessage:msg mid:msg.mid scrollTo:0];
[self.tableView deselectRowAtIndexPath:indexPath animated:YES];
}
-(void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
/*
if ([segue.identifier isEqual: @"profileSegue"]) {
BlogViewController *blogVC = (BlogViewController *)segue.destinationViewController;
[blogVC setUname:self.selectedUser];
[blogVC setTitle:self.selectedUser];
blogVC.path = [NSString stringWithFormat:@"/messages?uname=%@", self.selectedUser];
[blogVC setShouldScrollToBottomOnRefresh:NO];
}*/
}
-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView_ {
CGFloat actualPosition = scrollView_.contentOffset.y;
CGFloat contentHeight = scrollView_.contentSize.height - scrollView_.contentSize.height / 2;
if (actualPosition >= contentHeight && !self.dataLoading && ![self.tableView isTracking]) {
[_messagesDelegate loadMore];
}
}
-(void) viewThreadForMessage:(Message *)msg mid:(NSNumber *)mid scrollTo:(NSNumber *)rid {
[[AppDelegate shared] presentThread:self];
}
-(void) newMessage:(NSNotification *)obj {
Message *msg = (Message *)[obj object];
[self viewThreadForMessage:msg mid:msg.mid scrollTo:0];
}
@end
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