YYXC_Student/jiaPei/CommunityVC.m

/**采取aspectFill来实现适配如何。
 问题又来了。有时，需要固定高度怎么办。有时不需要。
 不对啊。fill是可以实现屏幕等比缩放的啊。
 
 */
#import "CommunityVC.h"
#import "STButton.h"
#import "CommunityCell.h"
#import "TopicVC.h"
#import "TopicesVC.h"
#import "PostTopicVC.h"
#import "DiaryVC.h"
#import "LoginViewController.h"
#import "MJRefresh.h"

typedef NS_ENUM(NSInteger, MyGetDataType) {
    //正常请求数据
    MyGetDataTypeNomal=0,
    //下拉刷新请求数据
    MyGetDataTypeHeaderRefresh,
    //上拉加载更多请求数据
    MyGetDataTypeFooterRefresh
};

@interface CommunityVC ()<UIScrollViewDelegate,UITableViewDataSource,UITableViewDelegate,CommunityCellDelegate>
{
    //全局的滚动视图
    UIScrollView* scroll;
    
    UIView* header;
    
    //头部的按钮标题。保存判断
    NSMutableArray* titles;
    
    UIPageControl* pageCtl;
    
    UITableView* myTableView;
    
    NSMutableArray* models;
    
    /**点击后滚动到头部的按钮
     */
    UIButton* gotoTopBtn;
    
    //记录页数
    NSInteger _currentPageNum;
    //正在加载的状态
    BOOL _IS_LOADING;
    //加载数据的类型
    MyGetDataType _getDataType;
    
    BOOL myschool;//是否存在我的驾校
}
@end

@implementation CommunityVC

- (void)viewDidLoad {
    [super viewDidLoad];
    [self myInit];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
}

-(void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    if (_currentPageNum == 0) {
        [self getTopicInfos];
    }
}


-(void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
}

#pragma mark -

/**注意这里是导航栏带来的Y值偏移
 */
-(void)myInit
{
    [self configNavigationBar];
    self.navigationController.navigationBar.translucent = NO;
    [self.view setBackgroundColor:[UIColor whiteColor]];
    [self setTitle:@"驾考社区"];
    
    models = [NSMutableArray array];
    _currentPageNum = 0;
    _IS_LOADING = NO;
    _getDataType = MyGetDataTypeNomal;
    
    CGFloat x,y,w,h,bd;
    UIBarButtonItem* backBbi ;
    backBbi = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"community3.png"]  style:UIBarButtonItemStylePlain target:self action:@selector(btnClick:)];
    [backBbi setTintColor:defGreen];
    [backBbi setTag:-1];
    [self.navigationItem setRightBarButtonItem:backBbi];
    
    header = [[UIView alloc] initWithFrame:SGRectMake(0, 0, 320, 100)];
    
    x=0;
    w = kSize.width;
    y=0;
    h= kSize.height - kNavOffSet;
    NSInteger tag = 0;
    UIScrollView* sv = [[UIScrollView alloc] initWithFrame:CGRectMake(x, y, w, h)];
    [header addSubview:sv];
    scroll = sv;
    
    //最好是。它们的tag值不要变。
    NSArray* arr = @[@"吐槽",@"晒图",@"找驾校",@"科目一",@"科目二",@"科目三",@"科目四",@"下证",@"许愿"];//@"最新话题",
    titles = [NSMutableArray arrayWithArray:arr];
    arr = @[@"community_img02.png",@"community_img03.png",@"community_img04.png",@"community_img05.png"
        ,@"community_img07.png",@"community_img08.png",@"community_img09.png",@"community_img10.png",@"subject2_standart_icon.png"];//@"community_img01.png",
    NSMutableArray* images = [NSMutableArray arrayWithArray:arr];

    //如果有我的驾校 就在这里插入我的驾校信息
    NSString* str = [defUser.userSchDict objectForKey:@"shortName"];
    myschool = NO;
    if (str && str.length > 0) {
        myschool = YES;
        [titles insertObject:str atIndex:0];
        [images insertObject:@"learn_img03.png" atIndex:0];
    }
    
    w = 320 / 5.0;
    h = w*1;
    sv = [[UIScrollView alloc] initWithFrame:SGRectMake(0, 0, 320, h)];
    [sv setTag:0];
    [header addSubview:sv];
    sv.scrollEnabled = YES;
    sv.contentSize = SGSizeMake(w*titles.count, 0);
    sv.showsHorizontalScrollIndicator = NO;
    sv.pagingEnabled = YES;
    [sv setDelegate:self];
    
    tag += 1;
    for (int i = 0; i<titles.count; i++)
    {
        STButton* btn = [[STButton alloc] initWithFrame:SGRectMake(w*i, 0, w, h)];//h=96
        [btn setImage:[UIImage imageNamed:images[i]] withTitle:titles[i]  Font:NormalFont forState:UIControlStateNormal];
        [btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];
        [btn setTag:tag++];//1-count
        [sv addSubview:btn];
        if (str && 0 == i) {
            if (str.length > 4) {
                [btn setTitle:[titles[0] substringToIndex:4] forState:UIControlStateNormal];
                [btn setSubTitle:[str substringFromIndex:4] font:NormalFont color:kTitleColor];
            }
        }
    }
    
    UIPageControl* page = [[UIPageControl alloc] initWithFrame:SGRectMake(0, h - 20, 320, 20)];
    [header addSubview:page];
    page.currentPageIndicatorTintColor = defGreen;
    page.pageIndicatorTintColor = KlineColor;
    
//    if (myShcool == NO) {
//        page.numberOfPages = 2;
//        [sv setContentSize:CGSizeMake(kSize.width * 2, 0)];
//    }else{
//        page.numberOfPages = 3;
//        [sv setContentSize:CGSizeMake(kSize.width * 3, 0)];
//    }
    page.numberOfPages = 2;
    [sv setContentSize:CGSizeMake(kSize.width * 2, 0)];
    
    page.userInteractionEnabled = NO;
    pageCtl = page;
    
    y = h ;
    h = 25;
    UILabel *label;
    label = [[UILabel alloc] initWithFrame:SGRectMake(20, y, 320 -20, h)];
    [label setText:@"热门话题"];
    [label setTextColor:contentTextColor];
    [header addSubview:label];
    [label addViewWithRect:SGRectMake(0, y+h -1, 320, 1)];
    
    header.frame = SGRectMake(0, 0, 320 , y+h);
    
    UITableView* tv = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, kSize.width, kSize.height -kNavOffSet-kSafeAreaBottomHeight)];
    [self.view addSubview:tv];
    [tv setDelegate:self];
    [tv setDataSource:self];
    tv.tableHeaderView = header;
    tv.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
    [tv setTag:1];
    
    if ([tv respondsToSelector:@selector(setSeparatorInset:)])
    {
        [tv setSeparatorInset:UIEdgeInsetsZero];
    }
    if ([tv respondsToSelector:@selector(setLayoutMargins:)])
    {
        [tv setLayoutMargins:UIEdgeInsetsZero];
    }
    
    myTableView = tv;
    //刷新
    [self setRefreshAction];
    
    UIButton* btn ;
    bd = 15;
    h = w = 35;
    x = kSize.width - w - bd;
    y = kSize.height - 2* w - kNavOffSet;
    btn = [[UIButton alloc] init];
    [btn setFrame:CGRectMake(x, y, w, h)];
    [btn setImage:[UIImage imageNamed:@"community5.png"] forState:UIControlStateNormal];
    [btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];
    [btn setFrame:CGRectMake(x, y, w, h)];
    [btn setBackgroundColor:defGreen];
    [btn borderColor:defGreen width:1 cornorRadios:w/2.0];
    [self.view addSubview:btn];
    [btn setTag:-3];
    
    y -= bd+h;
    btn = [[UIButton alloc] init];
    [btn setFrame:CGRectMake(x, y, w, h)];
    [btn setImage:[UIImage imageNamed:@"location_more_arrow.png"] forState:UIControlStateNormal];
    [btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];
    [btn setBackgroundColor:[UIColor whiteColor]];
    [btn borderColor:KlineColor width:1 cornorRadios:w/2.0];
    [self.view addSubview:btn];
    btn.transform = CGAffineTransformMakeRotation(M_PI);
    [btn setTag:-2];
    gotoTopBtn = btn;
    btn.hidden = YES;
	[RACObserve(RQ_SHARE_FUNCTION, shieldTopicIDArr) subscribeNext:^(NSArray *arr) {
		if (arr.count > 0 && models.count >0) {
			NSMutableArray *arrs = [NSMutableArray array];
			[[models.rac_sequence.signal filter:^BOOL(NSDictionary *dic) {
				return ![arr containsObject:dic[@"ID"]];
			}] subscribeNext:^(NSDictionary *dic) {
				[arrs addObject:dic];
			} completed:^{
				models = arrs;
				dispatch_sync(dispatch_get_main_queue(), ^{
					[myTableView reloadData];
				});
			}];
		}
	}];
	
	[RACObserve(RQ_SHARE_FUNCTION, shieldPeopleIDArr) subscribeNext:^(NSArray *arr) {
		if (arr.count > 0 && models.count >0) {
			NSMutableArray *arrs = [NSMutableArray array];
			[[models.rac_sequence.signal filter:^BOOL(NSDictionary *dic) {
				return ![arr containsObject:dic[@"TI_CRUSER"]];
			}] subscribeNext:^(NSDictionary *dic) {
				[arrs addObject:dic];
			} completed:^{
				models = arrs;
				dispatch_sync(dispatch_get_main_queue(), ^{
					[myTableView reloadData];
				});
			}];
		}
	}];
}

/**这里有个很有意思的事情。self已经present到vc了。可是self.nav却push到其他地方了。--尚未发现问题--danson
 */
-(void)btnClick:(UIButton*)sender
{
    NSInteger tag = sender.tag;
    if (-3 == tag ||-1 == tag ) {

        if (!myDelegate.isLogin) {
            [LoginViewController loginFromVC:self];
            return;
        }
    }
    
    if (-3 == sender.tag) {
        PostTopicVC* vc = [[PostTopicVC alloc] init];
        [vc complete:^{
            [models removeAllObjects];
            _currentPageNum = 0;
            //viewdidappear里面会刷新
        }];
        vc.type = @"1";
        [self navPushHideTabbarToVC:vc];
    }
    
    if (-2 == sender.tag) {
        [UIView animateWithDuration:.5 animations:^{
            gotoTopBtn.alpha = 0;
        } completion:^(BOOL finished) {
            [gotoTopBtn setHidden:YES];
        }];
        [myTableView setContentOffset:CGPointMake(0, 0) animated:YES];
    }
    
    if (-1 == sender.tag) {
        DiaryVC* vc = [[DiaryVC alloc] init];
        vc.userID = defUser.userDict[@"id"];
        [self navPushHideTabbarToVC:vc];
    }
    
    //这里要判断一下点击了那个按钮。接口里面没有最新话题。算了。最新话题。就传个0过去好了。
    if (0 <= sender.tag) {
        
        TopicesVC* vc = [[TopicesVC alloc] init];
        vc.type = @"1";
        if (myschool == NO) {
            //没有驾校. 1-9
            vc.groupId = [NSString stringWithFormat:@"%d",(int)tag];
        }else{
            //有驾校 0,-1,1-10
//            if (0 == tag) {//辽宁“最新话题”已经去掉
//                vc.groupId = @"0";
//            }
            if (1 == tag) {
                vc.groupId = @"-1";
                vc.jxbh = @"";
                vc.jxjc = @"";
            }
            if (1 < tag ) {
                vc.groupId = [NSString stringWithFormat:@"%d",(int)tag-1];
            }
        }
        [self navPushHideTabbarToVC:vc];
    }
}

-(void)gotoComment:(NSString *)comId
{
    if (!myDelegate.isLogin) {
        LoginViewController* vc = [[LoginViewController alloc] init];
        vc.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
		vc.modalPresentationStyle = UIModalPresentationFullScreen;
        [self presentViewController:vc animated:YES completion:nil];
    }else{
        TopicVC* vc = [[TopicVC alloc] init];
        [vc setTopicId:comId];
        [vc setTextViewActive:YES];
        [self navPushHideTabbarToVC:vc];
    }
}

-(void)didPoint:(NSDictionary *)dict
{
//    NSLog(@"didPoint->%@",dict);
    [self uploadTopicCommentPoints:dict];
}

-(void)didDePoint:(NSDictionary *)dict
{
//    NSLog(@"didDePoint->%@",dict);
    [self deleteTopicCommentPoints:dict];
}

#pragma mark - 下拉刷新，上拉加载 -

-(void)setRefreshAction{
    
    // 下拉刷新
    __weak typeof(self) weakSelf = self;
    MJRefreshNormalHeader *mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
        [weakSelf headerRefresh];
    }];
    myTableView.mj_header = mj_header;
    
    MJRefreshBackNormalFooter *mj_footer = [MJRefreshBackNormalFooter footerWithRefreshingBlock:^{
        [weakSelf footerRefresh];
    }];
    myTableView.mj_footer = mj_footer;
    
    //先这样处理吧 我也很绝望啊
    //隐藏底部“上拉加载更多”
    // 设置了底部inset
    myTableView.contentInset = UIEdgeInsetsMake(0, 0, 30, 0);
    // 忽略掉底部inset
    myTableView.mj_footer.ignoredScrollViewContentInsetBottom = 30;
   
    
}

-(void)headerRefresh{
    //设置获取数据的方式
    _getDataType=MyGetDataTypeHeaderRefresh;
    //加载数据
    [self getTopicInfos];
    [myTableView.mj_header endRefreshing];
}

-(void)footerRefresh{
    //设置获取数据的方式
    _getDataType=MyGetDataTypeFooterRefresh;
    //加载数据
    [self getTopicInfos];
    [myTableView.mj_footer endRefreshing];
}

#pragma mark -

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return communityCellHeight(models[indexPath.row] , 0);
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return models.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    CommunityCell* cell = [CommunityCell cellForTableView:tableView Style:0];
    [cell setShowTag:YES];
    //用于通知VC跳转到评论
    [cell setDelegate:self];
    [cell setModel:models[indexPath.row]];
    return cell;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    NSDictionary* dict = models[indexPath.row];
    TopicVC* vc = [[TopicVC alloc] init];
    [vc setTopicId:dict[@"ID"]];
	vc.userId = dict[@"TI_CRUSER"];
    [self navPushHideTabbarToVC:vc];
}

- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
    if ([cell respondsToSelector:@selector(setSeparatorInset:)])
    {
        [cell setSeparatorInset:UIEdgeInsetsZero];
    }
    if ([cell respondsToSelector:@selector(setLayoutMargins:)])
    {
        [cell setLayoutMargins:UIEdgeInsetsZero];
    }
}

#pragma mark -
-(void)getTopicInfos
{
    //判断当前是否正在加载数据。如果正在加载数据，直接return。
    if (_IS_LOADING) {
        return;
    }
    
    if (![Util connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    
    _IS_LOADING=YES;
    //获取第一页数据
    NSInteger needLoadPage;
    needLoadPage=_currentPageNum+1;
    if (_getDataType==MyGetDataTypeHeaderRefresh) {
        needLoadPage=1;
    }
    
    NSMutableArray *arr=[NSMutableArray array];
    //默认查询的是所有 所以groupId传空值 文档上好像说 -1 是空 danson
    [arr addPro:@"groupId"      Value:@""];
    [arr addPro:@"type"         Value:@"1"];
    [arr addPro:@"crUser"       Value:defUser.userDict[@"id"]];
    [arr addPro:@"isPage"       Value:@"1"];
    [arr addPro:@"pageSize"     Value:@"10"];
    [arr addPro:@"currentPage"  Value:[NSString stringWithFormat:@"%ld",(long)needLoadPage]];
    
    //如果话题上传类型type为2 则添加字段 childGroup
    NSString* method = @"getTopicInfos";
    
    [MBProgressHUD showLoadToView:self.view];
    [jiaPeiManager requestAnythingWithURL:method array:arr data:nil completion:^(NSDictionary *dict) {
        [MBProgressHUD hideHUDForView:self.view];
        _IS_LOADING=NO;
        //NSLog(@"%@,%@,%@",arr,dict,xml);
        
        if (!dict) {
            ShowMsgFailed();
            return;
        }
        if ( [dict[@"code"] isEqualToString:@"1"]) {
            ShowMsg(dict[@"body"]);
            return;
        }
        
        //处理数据
        //如果获取到了数据，而且是下拉刷新，清空数组。
        if (_getDataType==MyGetDataTypeHeaderRefresh){
            [models removeAllObjects];
        }
        //追加数据
		NSArray *arr = dict[@"body"];
		[[arr.rac_sequence.signal filter:^BOOL(NSDictionary *dic) {
			return ![RQ_SHARE_FUNCTION.shieldTopicIDArr containsObject:dic[@"ID"]] && ![RQ_SHARE_FUNCTION.shieldPeopleIDArr containsObject:dic[@"TI_CRUSER"]] ;
		}] subscribeNext:^(NSDictionary *dic) {
			[models addObject:dic];
		} completed:^{
			dispatch_sync(dispatch_get_main_queue(), ^{
				if (models.count == 0) {
					ShowMsg(@"已加载全部");
				}else{
					//计数器＋1
					_currentPageNum=needLoadPage;
				}
				
				
				[myTableView reloadData];
				
				//恢复初始状态。
				_getDataType=MyGetDataTypeNomal;
			});
		}];

        
    }];
}

-(void)deleteTopicCommentPoints:(NSDictionary*)obj
{
    if (![Util connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    
    NSMutableArray* arr = [NSMutableArray array];
    [arr addPro:@"user" Value:defUser.userDict[@"id"]];
    [arr addPro:@"topicId" Value:obj[@"ID"]];
    
    NSString* method = @"deleteTopicCommentPoints";
    [jiaPeiManager requestAnythingWithURL:method array:arr data:nil completion:^(NSDictionary *root) {
        
        if (!root) {
            ShowMsgFailed();
            return;
        }
    }];
}



-(void)uploadTopicCommentPoints:(NSDictionary*)obj
{
    if (![Util connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    NSMutableArray* arr = [NSMutableArray array];
    [arr addPro:@"user"     Value:defUser.userDict[@"id"]];
    [arr addPro:@"topicId"  Value:obj[@"ID"]];
    NSString* method = @"uploadTopicCommentPoints";
    [jiaPeiManager requestAnythingWithURL:method array:arr data:nil completion:^(NSDictionary *root) {
        
        if (!root) {
            ShowMsgFailed();
            return;
        }
    }];
}

//根据判断表是否被拉到底部 来实现下拉加载的  没有上拉刷新操作 如果有必要 下个版本可以实现
-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
{
    if(scrollView.tag > 0)
    {
        //tableview
        CGPoint off = scrollView.contentOffset;
        if (off.y < 100) {
            [UIView animateWithDuration:.5 animations:^{
                gotoTopBtn.alpha = 0;
            } completion:^(BOOL finished) {
                [gotoTopBtn setHidden:YES];
            }];
        }else if (gotoTopBtn.hidden) {
            [gotoTopBtn setHidden:NO];
            gotoTopBtn.alpha = .2;
            [UIView animateWithDuration:.7 animations:^{
                gotoTopBtn.alpha = 1;
            } ];
        }
        
    }else{
        //顶部
        NSInteger pInd = (int)(scrollView.contentOffset.x / kSize.width);
        pageCtl.currentPage = pInd% pageCtl.numberOfPages;
    }
}

@end