IOS 下拉菜单复用

 1 //
 2 //  XWDropdownMenu.h
 3 //  XWReusableCodeLib
 4 //
 5 //  Created by xiao on 15/10/30.
 6 //  Copyright © 2015年 xiao. All rights reserved.
 7 //  下拉菜单
 8 
 9 #import <UIKit/UIKit.h>
10 
11 @class XWDropdownMenu;
12 #pragma mark 数据源方法
13 @protocol XWDropdownMenuDataSource <NSObject>
14 @required
15 /**
16  *  主表格一共有多少行
17  */
18 - (NSInteger)numberOfRowsInMainTable:(XWDropdownMenu *)dropdownMenu;
19 /**
20  *  主表格每一行的标题
21  *  @param row          行号
22  */
23 - (NSString *)dropdownMenu:(XWDropdownMenu *)dropdownMenu titleForRowInMainTable:(NSInteger)row;
24 /**
25  *  主表格每一行的子数据 数组
26  *  @param row          行号
27  */
28 - (NSArray *)dropdownMenu:(XWDropdownMenu *)dropdownMenu subdataForRowInMainTable:(NSInteger)row;
29 @optional
30 /**
31  *  主表格每一行 分类数量
32  *  @param row          行号
33  */
34 - (NSString *)dropdownMenu:(XWDropdownMenu *)dropdownMenu countForRowInMainTable:(NSInteger)row;
35 /**
36  *  子表格每一行子数据 分类数量
37  *  @param row          行号
38  */
39 - (NSArray *)dropdownMenu:(XWDropdownMenu *)dropdownMenu subdataCountForRowInSubTable:(NSInteger)row;
40 /**
41  *  主表格每一行的图标
42  *  @param row          行号
43  */
44 - (NSString *)dropdownMenu:(XWDropdownMenu *)dropdownMenu iconForRowInMainTable:(NSInteger)row;
45 /**
46  *  子表格每一行的选中图标
47  *  @param row          行号
48  */
49 - (NSString *)dropdownMenu:(XWDropdownMenu *)dropdownMenu selectedIconForRowInMainTable:(NSInteger)row;
50 @end
51 
52 #pragma mark 代理方法
53 @protocol XWDropdownMenuDelegate <NSObject>
54 
55 @optional
56 - (void)dropdownMenu:(XWDropdownMenu *)dropdownMenu didSelectRowInMainTable:(NSInteger)row;
57 - (void)dropdownMenu:(XWDropdownMenu *)dropdownMenu didSelectRowInSubTable:(NSInteger)subrow inMainTable:(NSInteger)mainRow;
58 
59 @end
60 
61 #pragma mark 构造方法
62 @interface XWDropdownMenu : UIView
63 + (instancetype)dropdownMenu;
64 -(void)refreshMenu;
65 
66 @property (nonatomic, weak) id<XWDropdownMenuDataSource> dataSource;
67 @property (nonatomic, weak) id<XWDropdownMenuDelegate> delegate;
68 
69 /**主表被选中的字体颜色，默认是黑色*/
70 @property (strong, nonatomic) UIColor *selectedRowTextColor;
71 /**该属性设置成YES，主表比较小*/
72 @property (nonatomic, assign)BOOL isMainTableSmall;
73 @end