Coding-iOS/Coding_iOS/Controllers/Topic/CSHotTopicPagesVC.m at master · HelloZhu/Coding-iOS · GitHub

History

230 lines (176 loc) · 7.47 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

// CSHotTopicPagesVC.m

// Coding_iOS

// Created by Lambda on 15/8/5.

#import "CSHotTopicPagesVC.h"

#import "CSHotTopicView.h"

#import "CSMyTopicVC.h"

#import "SMPageControl.h"

#import "CSSearchVC.h"

#import "CSSearchDisplayVC.h"

@interface CSHotTopicPagesVC ()<UIScrollViewDelegate, UISearchBarDelegate, UISearchDisplayDelegate>

@property (nonatomic,strong) UIScrollView *scrollView;

@property (nonatomic,strong) SMPageControl *pageControl;

@property (nonatomic,strong) UIView *navigationBarView;

@property (nonatomic,strong)NSArray *navTitles;

//搜索

@property (nonatomic, strong) UISearchBar *searchBar;

@property (strong, nonatomic) CSSearchDisplayVC *searchDisplayVC;

@end

@implementation CSHotTopicPagesVC

- (void)viewDidLoad {

[super viewDidLoad];

UIBarButtonItem *rightBarItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"search_Nav"] style:UIBarButtonItemStylePlain target:self action:@selector(searchItemClicked:)];

[self.navigationItem setRightBarButtonItem:rightBarItem animated:NO];

[self setupUI];

}

- (void)onGoBack {

[self.navigationController popViewControllerAnimated:YES];

}

- (void)viewWillAppear:(BOOL)animated {

[super viewWillAppear:animated];

[self.navigationController.navigationBar addSubview:self.navigationBarView];

}

-(void)viewWillDisappear:(BOOL)animated{

[super viewWillDisappear:animated];

[self.navigationBarView removeFromSuperview];

}

#pragma mark -

- (void)searchItemClicked:(id)sender{

if(!_searchBar) {

_searchBar = ({

UISearchBar *searchBar = [[UISearchBar alloc] init];

searchBar.delegate = self;

[searchBar sizeToFit];

[searchBar setPlaceholder:@"搜索冒泡、用户名、话题"];

[searchBar setTintColor:[UIColor whiteColor]];

[searchBar setTranslucent:NO];

[searchBar insertBGColor:[UIColor colorWithHexString:@"0x28303b"]];

searchBar;

});

[self.navigationController.view addSubview:_searchBar];

[_searchBar setY:20];

}

if (!_searchDisplayVC) {

_searchDisplayVC = ({

CSSearchDisplayVC *searchVC = [[CSSearchDisplayVC alloc] initWithSearchBar:_searchBar contentsController:self];

searchVC.parentVC = self;

searchVC.delegate = self;

searchVC.displaysSearchBarInNavigationBar = NO;

searchVC;

});

}

[_searchBar becomeFirstResponder];

}

#pragma mark -

#pragma mark UISearchBarDelegate Support

- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {

return YES;

}

#pragma mark -

- (void)scrollViewDidScroll:(UIScrollView *)scrollView {

[self updateNavItems:scrollView.contentOffset.x];

float mid = [UIScreen mainScreen].bounds.size.width/2 - 45.0;

float width = [UIScreen mainScreen].bounds.size.width;

CGFloat xOffset = scrollView.contentOffset.x;

int i = 0;

for(UILabel *v in _navTitles){

CGFloat alpha = 0.0;

if(v.frame.origin.x < mid)

alpha = 1 - (xOffset - i*width) / width;

else if(v.frame.origin.x >mid)

alpha=(xOffset - i*width) / width + 1;

else if(v.frame.origin.x == mid-5)

alpha = 1.0;

i++;

v.alpha = alpha;

}

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {

[self sendNewIndex:scrollView];

}

-(void)scrollViewDidEndScrollingAnimation:(UIScrollView *)scrollView{

[self sendNewIndex:scrollView];

}

-(void)sendNewIndex:(UIScrollView *)scrollView{

CGFloat xOffset = scrollView.contentOffset.x;

NSInteger index = ((int) roundf(xOffset) % (2 * (int)kScreen_Width)) / kScreen_Width;

if (self.pageControl.currentPage != index)

{

self.pageControl.currentPage = index;

}

#pragma mark -

-(void)updateNavItems:(CGFloat) xOffset{

__block int i = 0;

[_navTitles enumerateObjectsUsingBlock:^(UIView* v, NSUInteger idx, BOOL *stop) {

CGFloat distance = (kScreen_Width/2) - 60;

CGSize vSize = CGSizeMake(100, 16);

CGFloat originX = ((kScreen_Width/2 - vSize.width/2) + i*distance) - xOffset/(kScreen_Width/distance);

v.frame = (CGRect){originX, 8, vSize.width, vSize.height};

i++;

}];

}

- (void)setupUI {

self.navigationItem.title = @"";

CGRect frame = CGRectMake(0, 0, kScreen_Width, self.view.bounds.size.height);

self.scrollView = [[UIScrollView alloc] initWithFrame:frame];

self.scrollView.backgroundColor = [UIColor clearColor];

self.scrollView.pagingEnabled = YES;

self.scrollView.showsHorizontalScrollIndicator = NO;

self.scrollView.showsVerticalScrollIndicator = NO;

self.scrollView.delegate = self;

self.scrollView.bounces = NO;

[self.scrollView setContentInset:UIEdgeInsetsMake(0, 0, 0, 0)];

[self.view addSubview:self.scrollView];

[self.scrollView mas_makeConstraints:^(MASConstraintMaker *make) {

make.edges.equalTo(self.view);

}];

self.scrollView .clipsToBounds = YES;

self.scrollView.contentSize = CGSizeMake(kScreen_Width * 2, 0);

_navigationBarView = [[UIView alloc] initWithFrame:(CGRect){0, 0, kScreen_Width, 44}];

_navigationBarView.backgroundColor = [UIColor clearColor];

// Make the page control

self.pageControl = ({

SMPageControl *pgC = [[SMPageControl alloc] init];

pgC.userInteractionEnabled = NO;

pgC.backgroundColor = [UIColor clearColor];

pgC.pageIndicatorImage = [UIImage imageNamed:@"nav_page_unselected"];

pgC.currentPageIndicatorImage = [UIImage imageNamed:@"nav_page_selected"];

pgC.frame = CGRectMake(0, 32.0, kScreen_Width, 7.0);

pgC.numberOfPages = 2;

pgC.currentPage = 0;

pgC;

});

_navigationBarView.userInteractionEnabled = NO;

[_navigationBarView addSubview:self.pageControl];

// Adds all views

CSHotTopicView *v1 = [[CSHotTopicView alloc] initWithFrame:CGRectMake(0, 0, kScreen_Width, self.view.height - 50)];

v1.backgroundColor = [UIColor whiteColor];

CSMyTopicView *v2 = [[CSMyTopicView alloc]initWithFrame:CGRectMake(kScreen_Width+1, 0, kScreen_Width, self.view.height - 50)];

v2.backgroundColor = [UIColor whiteColor];

v1.parentVC = self;

v2.parentVC = self;

[self.scrollView addSubview:v1];

[self.scrollView addSubview:v2];

CGFloat titleWidth = 100;

CGFloat distance = (kScreen_Width/2) - 60;

UILabel *la1 = [[UILabel alloc] initWithFrame:CGRectMake((kScreen_Width/2 - titleWidth/2) + 0*distance, 8, titleWidth, 16)];

la1.text = @"热门话题";

la1.textAlignment = NSTextAlignmentCenter;

la1.font = [UIFont boldSystemFontOfSize:18];

la1.textColor = [UIColor whiteColor];

UILabel *la2 = [[UILabel alloc] initWithFrame:CGRectMake((kScreen_Width/2 - titleWidth/2) + 1*distance, 8, titleWidth, 16)];

la2.text = @"我的话题";

la2.textAlignment = NSTextAlignmentCenter;

la2.font = [UIFont boldSystemFontOfSize:18];

la2.textColor = [UIColor whiteColor];

la2.alpha = 0;

[_navigationBarView addSubview:la1];

[_navigationBarView addSubview:la2];

_navTitles = @[la1,la2];

}

@end

Coding-iOS/Coding_iOS/Controllers/Topic/CSHotTopicPagesVC.m at master · HelloZhu/Coding-iOS · GitHub

Expand file tree

Breadcrumbs

CSHotTopicPagesVC.m

Latest commit

History

Breadcrumbs

CSHotTopicPagesVC.m

File metadata and controls