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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 "APIClient.h"
#import "Message.h"
#import "ColorScheme.h"
#import "NewPostViewController.h"
#import "LoginViewController.h"
#import "ThreadViewController.h"
#import "BlogViewController.h"
#import "NSURL+PathParameters.h"
@implementation MessagesViewController
-(void) refreshData {
[self refreshData:NO];
}
-(void) refreshData:(BOOL)scrollToBottom {
self.dataLoading = YES;
if (self.messages.count == 0) {
[self.tableView reloadData];
}
[[APIClient sharedClient] pullNextFromPath:self.path params:self.params callback:^(NSArray *next, NSError *err) {
NSArray *newMsgs = next;
if ([self isAtTop:self.params]) {
[self.messages removeAllObjects];
[self.tableView reloadData];
}
NSUInteger oldCount = [self.messages count];
if ([self.path isEqualToString:[APIClient 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 {
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 (scrollToBottom) {
NSIndexPath *lastRow = [NSIndexPath indexPathForRow:self.messages.count - 1 inSection:0];
[self.tableView scrollToRowAtIndexPath:lastRow atScrollPosition:UITableViewScrollPositionBottom animated:NO];
}
}];
}
-(BOOL) isAtTop:(NSDictionary *)params {
return [params objectForKey:@"before_mid"] == nil && [params objectForKey:@"to"] == nil;
}
- (UIStatusBarStyle)preferredStatusBarStyle
{
return UIStatusBarStyleLightContent;
}
- (void)viewDidLoad
{
self.dataLoading = YES;
[self.view setBackgroundColor:[ColorScheme mainBackground]];
[self.tableView registerNib:[UINib nibWithNibName:@"MessageCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"messageCell"];
[self.tableView registerNib:[UINib nibWithNibName:@"ContentLoadingCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"contentLoadingCell"];
self.tableView.rowHeight = UITableViewAutomaticDimension;
self.tableView.estimatedRowHeight = 500.0f;
self.messages = [NSMutableArray array];
self.refreshControl = [UIRefreshControl new];
[self.refreshControl addTarget:self action:@selector(refreshData) forControlEvents:UIControlEventValueChanged];
}
- (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];
NSString * cellIdentifier = @"messageCell";
MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier forIndexPath:indexPath];
[cell configureWithMessage:msg];
return cell;
}
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
return self.dataLoading && self.messages.count == 0 ? 200.0f : [super tableView:tableView heightForRowAtIndexPath:indexPath];
}
-(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];
}
}
@end
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