Add pull down refresh and pull up load more function.

fix #100
xhzengAIB · Jun 9, 2014 · a80d382 · a80d382
1 parent 5ab733a
commit a80d382
Show file tree

Hide file tree

Showing 13 changed files with 461 additions and 40 deletions.
diff --git a/Example/MessageDisplayExample/MessageDisplayExample/XHDemoWeChatMessageTableViewController.m b/Example/MessageDisplayExample/MessageDisplayExample/XHDemoWeChatMessageTableViewController.m
@@ -149,7 +149,7 @@ - (void)viewDidLoad
         for (NSInteger j = 0; j < 18; j ++) {
             XHEmotion *emotion = [[XHEmotion alloc] init];
             NSString *imageName = [NSString stringWithFormat:@"section%ld_emotion%ld", (long)i , (long)j % 16];
-            emotion.emotionPath = [[NSBundle mainBundle] pathForResource:[NSString stringWithFormat:@"emotion%d@2x.gif", j] ofType:@""];
+            emotion.emotionPath = [[NSBundle mainBundle] pathForResource:[NSString stringWithFormat:@"emotion%ld@2x.gif", (long)j] ofType:@""];
             emotion.emotionConverPhoto = [UIImage imageNamed:imageName];
             [emotions addObject:emotion];
         }

diff --git a/Example/MessageDisplayExample/MessageDisplayExample/XHMessageRootViewController.h b/Example/MessageDisplayExample/MessageDisplayExample/XHMessageRootViewController.h
@@ -7,8 +7,8 @@
 //
 
 #import <UIKit/UIKit.h>
-#import "XHBaseTableViewController.h"
+#import "XHPullRefreshTableViewController.h"
 
-@interface XHMessageRootViewController : XHBaseTableViewController
+@interface XHMessageRootViewController : XHPullRefreshTableViewController
 
 @end
diff --git a/Example/MessageDisplayExample/MessageDisplayExample/XHMessageRootViewController.m b/Example/MessageDisplayExample/MessageDisplayExample/XHMessageRootViewController.m
@@ -104,9 +104,7 @@ - (XHPopMenu *)popMenu {
     return _popMenu;
 }
 
-
-- (void)addContactForGroup
-{
+- (void)addContactForGroup {
     //建立100个测试数据
     NSMutableArray *items = [NSMutableArray array];
     //网上拉的昵称列表，请忽视非主流。
@@ -188,18 +186,35 @@ - (void)addContactForGroup
     [self.navigationController presentViewController:navVC animated:YES completion:nil];
 }
 
+#pragma mark - DataSource
+
+- (void)loadDataSource {
+    self.isDataLoading = YES;
+    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+        NSMutableArray *dataSource = [[NSMutableArray alloc] initWithObjects:@"华捷新闻，点击查看美女新闻呢！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点进入聊天页面，这里有多种显示样式", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"请问你现在在哪里啊？我在广州天河", @"请问你现在在哪里啊？我在广州天河", @"请问你现在在哪里啊？我在广州天河", @"请问你现在在哪里啊？我在广州天河", @"请问你现在在哪里啊？我在广州天河", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", nil];
+        sleep(2);
+        dispatch_async(dispatch_get_main_queue(), ^{
+            self.isDataLoading = NO;
+            self.dataSource = dataSource;
+            [self.tableView reloadData];
+            [self endPullDownRefreshing];
+        });
+    });
+}
 
 #pragma mark - Life Cycle
 
+- (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+    [self startPullDownRefreshing];
+}
+
 - (void)viewDidLoad {
     [super viewDidLoad];
     // Do any additional setup after loading the view.
 
     self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(showMenuOnView:)];
 
-    NSMutableArray *dataSource = [[NSMutableArray alloc] initWithObjects:@"华捷新闻，点击查看美女新闻呢！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点进入聊天页面，这里有多种显示样式", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", @"请问你现在在哪里啊？我在广州天河", @"请问你现在在哪里啊？我在广州天河", @"请问你现在在哪里啊？我在广州天河", @"请问你现在在哪里啊？我在广州天河", @"请问你现在在哪里啊？我在广州天河", @"点击我查看最新消息，里面有惊喜哦！", @"点击我查看最新消息，里面有惊喜哦！", nil];
-    self.dataSource = dataSource;
-
     [self.view addSubview:self.tableView];
 }
 

diff --git a/...splayKit/Classes/Controllers/XHBaseTableViewController/XHPullRefreshTableViewController.h b/...splayKit/Classes/Controllers/XHBaseTableViewController/XHPullRefreshTableViewController.h
@@ -10,8 +10,14 @@
 
 @interface XHPullRefreshTableViewController : XHBaseTableViewController
 
-@property (nonatomic, assign) BOOL isLoading;
+@property (nonatomic, assign) BOOL isDataLoading;
 
 @property (nonatomic, assign) NSInteger requestCurrentPage;
 
+- (void)startPullDownRefreshing;
+
+- (void)endPullDownRefreshing;
+
+- (void)endLoadMoreRefreshing;
+
 @end
diff --git a/...splayKit/Classes/Controllers/XHBaseTableViewController/XHPullRefreshTableViewController.m b/...splayKit/Classes/Controllers/XHBaseTableViewController/XHPullRefreshTableViewController.m
@@ -18,6 +18,18 @@ @interface XHPullRefreshTableViewController () <XHRefreshControlDelegate>
 
 @implementation XHPullRefreshTableViewController
 
+- (void)startPullDownRefreshing {
+    [self.refreshControl startPullDownRefreshing];
+}
+
+- (void)endPullDownRefreshing {
+    [self.refreshControl endPullDownRefreshing];
+}
+
+- (void)endLoadMoreRefreshing {
+    [self.refreshControl endLoadMoreRefresing];
+}
+
 #pragma mark - Propertys
 
 - (XHRefreshControl *)refreshControl {
@@ -43,15 +55,26 @@ - (void)didReceiveMemoryWarning {
 #pragma mark - XHRefreshControl Delegate
 
 - (BOOL)isLoading {
-    return self.isLoading;
+    return self.isDataLoading;
 }
 
 - (void)beginPullDownRefreshing {
     self.requestCurrentPage = 0;
+    [self loadDataSource];
 }
 
 - (void)beginLoadMoreRefreshing {
     self.requestCurrentPage ++;
+    [self loadDataSource];
+}
+
+- (NSDate *)lastUpdateTime {
+    return [NSDate date];
+}
+
+- (BOOL)keepiOS7NewApiCharacter {
+    BOOL keeped = [[[UIDevice currentDevice] systemVersion] integerValue] >= 7.0;
+    return keeped;
 }
 
 @end
diff --git a/MessageDisplayKit/Classes/Views/RefreshViews/XHLoadMoreView.h b/MessageDisplayKit/Classes/Views/RefreshViews/XHLoadMoreView.h
@@ -8,8 +8,14 @@
 
 #import <UIKit/UIKit.h>
 
+#define kXHLoadMoreViewHeight 50
+
 @interface XHLoadMoreView : UIView
 
 @property (nonatomic, strong) UIButton *loadMoreButton;
 
+- (void)startLoading;
+
+- (void)endLoading;
+
 @end
diff --git a/MessageDisplayKit/Classes/Views/RefreshViews/XHLoadMoreView.m b/MessageDisplayKit/Classes/Views/RefreshViews/XHLoadMoreView.m
@@ -10,18 +10,61 @@
 
 @interface XHLoadMoreView ()
 
+@property (nonatomic, strong) UIActivityIndicatorView *activityIndicatorView;
+
 @end
 
 @implementation XHLoadMoreView
 
+- (void)startLoading {
+    self.hidden = NO;
+    [self.loadMoreButton setTitle:@"正在载入" forState:UIControlStateNormal];
+    [self.activityIndicatorView startAnimating];
+}
+
+- (void)endLoading {
+    self.hidden = YES;
+    [self.loadMoreButton setTitle:@"显示下20条" forState:UIControlStateNormal];
+    [self.activityIndicatorView stopAnimating];
+}
+
 #pragma mark - Propertys
 
+- (UIButton *)loadMoreButton {
+    if (!_loadMoreButton) {
+        _loadMoreButton = [[UIButton alloc] initWithFrame:CGRectMake(10, 5, CGRectGetWidth(self.bounds) - 20, CGRectGetHeight(self.bounds) - 10)];
+        _loadMoreButton.titleLabel.font = [UIFont systemFontOfSize:16];
+        [_loadMoreButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
+        [_loadMoreButton setBackgroundColor:[UIColor colorWithWhite:0.922 alpha:1.000]];
+        //        _loadMoreButton.layer.borderColor = [UIColor colorWithWhite:0.867 alpha:1.000].CGColor;
+        //        _loadMoreButton.layer.borderWidth = 1;
+        //        _loadMoreButton.layer.shadowColor = [UIColor colorWithWhite:0.867 alpha:1.000].CGColor;
+        //        _loadMoreButton.layer.shadowOffset = CGSizeMake(1, 1);
+        //        _loadMoreButton.layer.shadowRadius = 1;
+        //        _loadMoreButton.layer.shadowOpacity = 1;
+    }
+    return _loadMoreButton;
+}
+
+- (UIActivityIndicatorView *)activityIndicatorView {
+    if (!_activityIndicatorView) {
+        _activityIndicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
+        _activityIndicatorView.hidesWhenStopped = YES;
+        _activityIndicatorView.center = CGPointMake(CGRectGetWidth(self.bounds) / 3, CGRectGetHeight(self.bounds) / 2.0);
+    }
+    return _activityIndicatorView;
+}
+
 #pragma mark - Life Cycle
 
 - (id)initWithFrame:(CGRect)frame {
     self = [super initWithFrame:frame];
     if (self) {
         // Initialization code
+        self.backgroundColor = [UIColor whiteColor];
+        [self addSubview:self.loadMoreButton];
+        [self addSubview:self.activityIndicatorView];
+        [self endLoading];
     }
     return self;
 }

diff --git a/MessageDisplayKit/Classes/Views/RefreshViews/XHRefreshCircleView.h b/MessageDisplayKit/Classes/Views/RefreshViews/XHRefreshCircleView.h
@@ -8,6 +8,12 @@
 
 #import <UIKit/UIKit.h>
 
+//开始画圆圈时的offset
+#define kXHRefreshCircleViewHeight 20
+
+//圆圈开始旋转时的offset （即开始刷新数据时）
+//#define HEIGHT_BEGIN_TO_REFRESH         (50 + HEIGHT_BEGIN_TO_DRAW_CIRCLE)
+
 @interface XHRefreshCircleView : UIView
 
 //圆圈开始旋转时的offset （即开始刷新数据时）

diff --git a/MessageDisplayKit/Classes/Views/RefreshViews/XHRefreshCircleView.m b/MessageDisplayKit/Classes/Views/RefreshViews/XHRefreshCircleView.m
@@ -47,7 +47,7 @@ - (void)drawRect:(CGRect)rect {
         CGFloat endAngle = (ABS(_offsetY) / _heightBeginToRefresh) * (M_PI * 19 / 10) + startAngle;
         CGContextAddArc(context, CGRectGetWidth(self.frame) / 2, CGRectGetHeight(self.frame) / 2, radius, startAngle, endAngle, 0);
     } else {
-        static CGFloat startAngle = 3 * M_PI / 2;
+        static CGFloat startAngle =  M_PI / 2;
         CGFloat endAngle = (ABS(_offsetY) / _heightBeginToRefresh) * (M_PI * 19 / 10) + startAngle;
         CGContextAddArc(context, CGRectGetWidth(self.frame) / 2, CGRectGetHeight(self.frame) / 2, radius, startAngle, endAngle, 0);
     }

diff --git a/MessageDisplayKit/Classes/Views/RefreshViews/XHRefreshControl.h b/MessageDisplayKit/Classes/Views/RefreshViews/XHRefreshControl.h
@@ -13,14 +13,14 @@
 // 1、是否加载中
 // 2、将要开始下拉刷新的方法
 // 3、将要开始上提加载更多的方法
+// 4、最后更新数据的时间
 
 // 可选实现的delegate
 // 1、是否支持下拉刷新
 // 2、是否支持上提加载更多
 // 3、标识下拉刷新是UIScrollView的子view，还是UIScrollView父view的子view
 // 4、是否保留iOS7的新特性，只对滚动视图有效
 // 5、多少次上提加载后，启用点击按钮进行加载一页数据
-// 6、需要多长的下拉UIScrollView最大高度限定值
 
 typedef NS_ENUM(NSInteger, XHRefreshViewLayerType) {
     XHRefreshViewLayerTypeOnScrollView = 0,
@@ -47,18 +47,25 @@ typedef NS_ENUM(NSInteger, XHRefreshViewLayerType) {
  */
 - (void)beginLoadMoreRefreshing;
 
+/**
+ *  4、最后更新数据的时间
+ *
+ *  @return 返回缓存最后更新某个页面的时间
+ */
+- (NSDate *)lastUpdateTime;
+
 @optional
 /**
  *  1、是否支持下拉刷新
  *
- *  @return 如果没有实现该delegate方法，默认是不支持下拉的，为NO
+ *  @return 如果没有实现该delegate方法，默认是支持下拉的，为YES
  */
 - (BOOL)isPullDownRefreshed;
 
 /**
  *  2、是否支持上提加载更多
  *
- *  @return 如果没有实现该delegate方法，默认是不支持上提加载更多的，为NO
+ *  @return 如果没有实现该delegate方法，默认是支持上提加载更多的，为YES
  */
 - (BOOL)isLoadMoreRefreshed;
 
@@ -72,7 +79,7 @@ typedef NS_ENUM(NSInteger, XHRefreshViewLayerType) {
 /**
  *  4、UIScrollView的控制器是否保留iOS7新的特性，意思是：tablView的内容是否可以穿透过导航条
  *
- *  @return 如果不是先该delegate方法，默认是支持的
+ *  @return 如果不是先该delegate方法，默认是不支持的
  */
 - (BOOL)keepiOS7NewApiCharacter;
 
@@ -83,13 +90,6 @@ typedef NS_ENUM(NSInteger, XHRefreshViewLayerType) {
  */
 - (NSInteger)autoLoadMoreRefreshedCountConverManual;
 
-/**
- *  6、需要多长的下拉UIScrollView最大高度限定值
- *
- *  @return 如果不实现该delegate方法，默认是64个像素高度
- */
-- (CGFloat)pullDownRefreshTotalPixels;
-
 @end
 
 @interface XHRefreshControl : NSObject