popView
#import <UIKit/UIKit.h>
@protocol XPPopViewDelegate <NSObject>
- (void)returnSelectedIndexPath:(NSInteger )index;
@end
@interface XPPopView : UIView
@property (nonatomic,strong) NSArray *dateSource;
@property (nonatomic,assign) id<XPPopViewDelegate> aDelegate;
- (instancetype) initWithisLeft:(BOOL)isLeft;
- (void)hideView ;
- (void)showView ;
@end
#import "XPPopView.h"
@interface XPPopView () <UITableViewDelegate,UITableViewDataSource>
@property (nonatomic,strong) UITableView *tableView;
@property (nonatomic,strong) UIImageView *view;
@property (nonatomic,assign) BOOL isLeft;
@end
@implementation XPPopView
- (instancetype) initWithisLeft:(BOOL)isLeft {
if (self = [superinit] ) {
_isLeft = isLeft;
self.layer.shadowColor = [UIColorblackColor].CGColor;
self.layer.shadowOffset =CGSizeMake(-3,3);
self.layer.shadowOpacity =0.5;
self.layer.shadowRadius =4;
[self addSubview:self.view];
[self addSubview:self.tableView];
}
return self;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return_dateSource.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = [tableViewdequeueReusableCellWithIdentifier:@"CellID"];
cell.backgroundColor = [UIColorblackColor];
cell.textLabel.textColor = [UIColorwhiteColor];
cell.textLabel.font = [UIFontsystemFontOfSize:15];
cell.textLabel.textAlignment =NSTextAlignmentCenter;
cell.textLabel.text =_dateSource[indexPath.row];
return cell;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
[tableView deselectRowAtIndexPath:indexPathanimated:YES];
if (_aDelegate) {
[_aDelegate returnSelectedIndexPath:indexPath.row];
}
[self hideView];
}
- (UITableView *)tableView {
if (!_tableView) {
_tableView = [[UITableViewalloc] initWithFrame:CGRectMake(0,5, CGRectGetWidth(self.bounds),CGRectGetHeight(self.bounds) -5) style:UITableViewStylePlain];
_tableView.delegate =self;
_tableView.dataSource =self;
_tableView.rowHeight =40;
_tableView.bounces =NO;
_tableView.separatorStyle =UITableViewCellSelectionStyleNone;
_tableView.layer.cornerRadius =10;
_tableView.layer.masksToBounds =YES;
_tableView.backgroundColor = [UIColorblackColor];
[_tableViewregisterClass:[UITableViewCellclass] forCellReuseIdentifier:@"CellID"];
}
return_tableView;
}
- (UIImageView *)view {
if (!_view) {
_view = [[UIImageViewalloc] init];
}
return _view;
}
- (void)hideView {
__weak typeof (self) weakSelf =self;
[UIViewanimateWithDuration:0.3animations:^{
weakSelf.layer.opacity =0;
}];
[UIViewcommitAnimations];
}
- (void)showView {
if (self.layer.opacity ==1) {
[self hideView];
return;
}
__weak typeof (self) weakSelf =self;
[UIViewanimateWithDuration:0.3animations:^{
weakSelf.layer.opacity =1;
}];
[UIViewcommitAnimations];
}
- (void)setDateSource:(NSArray *)dateSource {
_dateSource = [NSArrayarrayWithArray:dateSource];
NSInteger length = 0;
for (NSString *strin dateSource) {
(str.length > length) ? (length = str.length) : length;
}
if (!_isLeft) {
self.frame =CGRectMake(SCREENWIDTH -30 * length - 10,0, 30 * length,_dateSource.count *40 + 5);
}
else {
self.frame =CGRectMake(5,0, 30 * length,_dateSource.count *40 + 5);
}
[selfsetTopView];
_tableView.frame =CGRectMake(0,5, CGRectGetWidth(self.bounds),CGRectGetHeight(self.bounds) -5);
[_tableView reloadData];
self.layer.opacity =0;
}
- (void)setTopView {
UIBezierPath *path = [UIBezierPathbezierPath];
if (!_isLeft) {
_view.frame =CGRectMake(CGRectGetWidth(self.frame) -20, 0, 10, 5);
[path moveToPoint:CGPointMake(5,0)];
[path addLineToPoint:CGPointMake(10,5)];
[path addLineToPoint:CGPointMake(0,5)];
}
else {
_view.frame =CGRectMake(15,0, 10, 5);
[path moveToPoint:CGPointMake(5,0)];
[path addLineToPoint:CGPointMake(10,5)];
[path addLineToPoint:CGPointMake(0,5)];
}
[path closePath];
_view.backgroundColor = [UIColorblackColor];
CAShapeLayer *maskLayer = [CAShapeLayerlayer];
maskLayer.path = [path CGPath];
_view.layer.mask = maskLayer;
}
@end
使用
#import "XPPopView.h"
- (XPPopView *)popView {
if (!_popView) {
_popView = [[XPPopViewalloc] initWithisLeft:NO];
_popView.aDelegate =self;
[self.popViewsetDateSource:@[@"发表",@"我的发表",@"筛选"]];
}
return_popView;
}
协议<XPPopViewDelegate>
- (void)returnSelectedIndexPath:(NSInteger )index {