UITableView的headerView展开缩放动画
效果
源码
https://github.com/YouXianMing/Animations
//
// HeaderViewTapAnimationController.m
// Animations
//
// Created by FrankLiu on 15/11/30.
// Copyright © 2015年 YouXianMing. All rights reserved.
//
#import "HeaderViewTapAnimationController.h"
#import "ClassModel.h"
#import "StudentInfoCell.h"
#import "ClassHeaderView.h"
#import "WxHxD.h"
#import "GCD.h"
static NSString *infoCellFlag = @"BaseTableViewCell";
static NSString *infoHeadFlag = @"ClassHeaderView";
@interface HeaderViewTapAnimationController () <UITableViewDataSource, UITableViewDelegate, CustomHeaderFooterViewDelegate>
@property (nonatomic, strong) NSMutableArray *classModels;
@property (nonatomic, strong) UITableView *tableView;
@property (nonatomic) BOOL sectionFirstLoad;
@property (nonatomic, weak) ClassHeaderView *tmpHeadView;
@end
@implementation HeaderViewTapAnimationController
- (void)viewDidLoad {
[super viewDidLoad];
}
- (void)setup {
[super setup];
[self createDatas];
[self createTableView];
[self bringTitleViewToFront];
[self firstLoadDataAnimation];
}
#pragma mark - 数据源相关
- (void)createDatas {
NSArray *datas = @[@{@"className" : @"Aitna",
@"students" : @[@{@"name" : @"Y.X.M.", @"age" : @(27)},
@{@"name" : @"Leif", @"age" : @(12)},
@{@"name" : @"Lennon", @"age" : @(23)},
@{@"name" : @"Lambert", @"age" : @(19)},
@{@"name" : @"Jerome", @"age" : @(19)},
@{@"name" : @"Isidore", @"age" : @(19)}]},
@{@"className" : @"Melete",
@"students" : @[@{@"name" : @"Merle", @"age" : @(34)},
@{@"name" : @"Paddy", @"age" : @(31)},
@{@"name" : @"Perry", @"age" : @(10)},
@{@"name" : @"Philip", @"age" : @(39)}]},
@{@"className" : @"Aoede",
@"students" : @[@{@"name" : @"Verne", @"age" : @(34)},
@{@"name" : @"Vincent", @"age" : @(78)},
@{@"name" : @"Walter", @"age" : @(43)},
@{@"name" : @"Zachary", @"age" : @(21)}]},
@{@"className" : @"Dione",
@"students" : @[@{@"name" : @"Timothy", @"age" : @(98)},
@{@"name" : @"Roderick", @"age" : @(21)},
@{@"name" : @"Quentin", @"age" : @(7)},
@{@"name" : @"Paddy", @"age" : @(67)}]},
@{@"className" : @"Adanos",
@"students" : @[@{@"name" : @"Mortimer", @"age" : @(23)},
@{@"name" : @"Michael", @"age" : @(45)},
@{@"name" : @"Kevin", @"age" : @(89)},
@{@"name" : @"Jeremy", @"age" : @(23)}]},];
self.classModels = [[NSMutableArray alloc] init];
for (int count = 0; count < datas.count; count++) {
ClassModel *classModel = [[ClassModel alloc] initWithDictionary:datas[count]];
classModel.expend = NO;
[self.classModels addObject:classModel];
}
}
#pragma mark - tableView相关
- (UITableView *)createTableViewWithDelegate:(id)delegate frame:(CGRect)frame {
UITableView *tableView = [[UITableView alloc] initWithFrame:frame style:UITableViewStylePlain];
tableView.delegate = delegate;
tableView.dataSource = delegate;
tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
tableView.showsHorizontalScrollIndicator = NO;
tableView.showsVerticalScrollIndicator = NO;
[tableView registerClass:[StudentInfoCell class] forCellReuseIdentifier:infoCellFlag];
[tableView registerClass:[ClassHeaderView class] forHeaderFooterViewReuseIdentifier:infoHeadFlag];
return tableView;
}
- (void)createTableView {
self.tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 64, Width, Height - 64) style:UITableViewStylePlain];
self.tableView.delegate = self;
self.tableView.dataSource = self;
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
self.tableView.showsHorizontalScrollIndicator = NO;
self.tableView.showsVerticalScrollIndicator = NO;
[self.tableView registerClass:[StudentInfoCell class] forCellReuseIdentifier:infoCellFlag];
[self.tableView registerClass:[ClassHeaderView class] forHeaderFooterViewReuseIdentifier:infoHeadFlag];
[self.view addSubview:self.tableView];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
ClassModel *model = _classModels[section];
if (model.expend == YES) {
return [model.students count];
} else {
return 0;
}
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
if (self.sectionFirstLoad == NO) {
return 0;
} else {
return [_classModels count];
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
CustomCell *cell = [tableView dequeueReusableCellWithIdentifier:infoCellFlag];
ClassModel *classModel = _classModels[indexPath.section];
StudentModel *studentModel = classModel.students[indexPath.row];
cell.data = studentModel;
cell.indexPath = indexPath;
[cell loadContent];
return cell;
}
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
ClassHeaderView *titleView = [tableView dequeueReusableHeaderFooterViewWithIdentifier:infoHeadFlag];
titleView.delegate = self;
titleView.data = _classModels[section];
titleView.section = section;
[titleView loadContent];
if (section == 0) {
self.tmpHeadView = titleView;
}
ClassModel *model = _classModels[section];
if (model.expend == YES) {
[titleView extendStateAnimated:NO];
} else {
[titleView normalStateAnimated:NO];
}
return titleView;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
return 60;
}
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
return 30;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
StudentInfoCell *cell = [tableView cellForRowAtIndexPath:indexPath];
[cell showSelectedAnimation];
[tableView deselectRowAtIndexPath:indexPath animated:YES];
}
- (void)customHeaderFooterView:(CustomHeaderFooterView *)customHeaderFooterView event:(id)event {
NSInteger section = customHeaderFooterView.section;
ClassModel *model = _classModels[section];
ClassHeaderView *classHeaderView = (ClassHeaderView *)customHeaderFooterView;
if (model.expend == YES) {
// 缩回去
model.expend = NO;
[classHeaderView normalStateAnimated:YES];
NSMutableArray *indexPaths = [NSMutableArray array];
for (int i = 0; i < model.students.count; i++) {
[indexPaths addObject:[NSIndexPath indexPathForItem:i inSection:section]];
}
[self.tableView deleteRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationFade];
} else {
// 显示出来
model.expend = YES;
[classHeaderView extendStateAnimated:YES];
NSMutableArray *indexPaths = [NSMutableArray array];
for (int i = 0; i < model.students.count; i++) {
[indexPaths addObject:[NSIndexPath indexPathForItem:i inSection:section]];
}
[self.tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationFade];
}
}
- (void)firstLoadDataAnimation {
[GCDQueue executeInMainQueue:^{
// Extend sections.
self.sectionFirstLoad = YES;
NSIndexSet *indexSet = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, self.classModels.count)];
[self.tableView insertSections:indexSet withRowAnimation:UITableViewRowAnimationFade];
[GCDQueue executeInMainQueue:^{
// Extend cells.
[self customHeaderFooterView:self.tmpHeadView event:nil];
} afterDelaySecs:0.4f];
} afterDelaySecs:0.3f];
}
@end细节
