SXTimeScopePicker.h

#import <UIKit/UIKit.h>

@interface SXTimeScopePicker : UIPickerView<UIPickerViewDataSource, UIPickerViewDelegate>


@property NSString *currentText;
@property NSArray  *data;
@property UITextField *textField;



@end

SXTimeScopePicker.m

//
//  SXTimeScopePicker.m
//  sx
//
//  Created by xiangyu on 5/3/14.
//  Copyright (c) 2014 xiangyu. All rights reserved.
//

#import "SXTimeScopePicker.h"

@implementation SXTimeScopePicker





-(id)init{
    
    self = [super init];
    if (self){
        [self setBackgroundColor:[UIColor whiteColor]];
        self.delegate = self;
        self.dataSource = self;
        self.data = @[@"8-9点",
                      @"9-10点",
                      @"10-11点",
                      @"11-12点",
                      @"12-13点",
                      @"13-14点",
                      @"14-15点",
                      @"15-16点",
                      @"16-17点",
                      @"17-18点",
                      @"18-19点"
                      ];
        
    }
    return self;
    
}




#pragma mark - PickerView lifecycle

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
{
    return 1;
}

- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
{
    return [self.data count];
}

- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
{
    return self.data[row];
}

- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
{
    self.currentText =  self.data[row];
    self.textField.text = self.data[row];
    
}


- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view {
    UILabel *retval = (id)view;
    if (!retval) {
        retval= [[UILabel alloc] initWithFrame:CGRectMake(5,5,[pickerView rowSizeForComponent:component].width, [pickerView rowSizeForComponent:component].height)];
    }
    
    retval.text = [self pickerView:pickerView titleForRow:row forComponent:component];
    retval.font = [UIFont systemFontOfSize:16];
    return retval;
}

-(void)print: (NSString *)str{
    const char *cstr = [str UTF8String];
    DebugLog(@"%@", [NSString stringWithUTF8String:cstr]);
}

@end