//

// MenuAction.m

// LinkageMenu

//

// Created by 魏小庄 on 2018/5/18.

// Copyright © 2018年 魏小庄. All rights reserved.

//

#import "MenuAction.h"

@interface MenuAction ()

@property (nonatomic, assign, readwrite) MenuActionStyle actionStyle;

@property (nonatomic, copy, readwrite) NSString *title;

/** 私有属性用于自定义视图 主动移除筛选列表 */

@property (nonatomic, copy) void (^didDismissDropMenu)(void);

@end

@implementation MenuAction

+ (instancetype)actionWithTitle:(NSString *)title style:(MenuActionStyle)style {

MenuAction *action = [[MenuAction alloc]init];

action.actionStyle = style;

action.title = title;

action.adjustsImageWhenDisabled = NO;

action.adjustsImageWhenHighlighted = NO;

[action setTitle:title forState:UIControlStateNormal];

action.titleLabel.font = [UIFont systemFontOfSize:15];

action.titleLabel.lineBreakMode = NSLineBreakByTruncatingTail;

[action setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];

[action setImage:[self drawTriangleWithFront:YES] forState:UIControlStateNormal];

[action setImage:[self drawTriangleWithFront:NO] forState:UIControlStateSelected];

return action;

}

+ (UIImage *)drawTriangleWithFront:(BOOL)front {

CGFloat w = 12;

CGFloat h = 8;

UIView *triangleView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, w, h)];

CAShapeLayer *triangleLayer = [[CAShapeLayer alloc]init];

UIBezierPath *path = [UIBezierPath bezierPath];

if (front) {

[path moveToPoint:CGPointMake(0, 0)];

[path addLineToPoint:CGPointMake(w, 0)];

[path addLineToPoint:CGPointMake(w * 0.5, h)];

triangleLayer.path = path.CGPath;

[triangleView.layer addSublayer:triangleLayer];

[triangleLayer setFillColor:[UIColor blackColor].CGColor];

}else {

[path moveToPoint:CGPointMake(w * 0.5, 0)];

[path addLineToPoint:CGPointMake(0, h)];

[path addLineToPoint:CGPointMake(w, h)];

triangleLayer.path = path.CGPath;

[triangleView.layer addSublayer:triangleLayer];

[triangleLayer setFillColor:[UIColor colorWithRed:242/255.0 green:136/255.0 blue:0/255.0 alpha:1/1.0].CGColor];

}

triangleView.backgroundColor = [UIColor whiteColor];

UIGraphicsBeginImageContextWithOptions(triangleView.frame.size, YES, [UIScreen mainScreen].scale); //图形上下文设置

[triangleView.layer renderInContext:UIGraphicsGetCurrentContext()];

UIImage *image = UIGraphicsGetImageFromCurrentImageContext();//赋值

UIGraphicsEndImageContext();//结束

return image;

}

-(void)adjustFrame {

[self setTitleEdgeInsets:UIEdgeInsetsMake(0, -self.imageView.bounds.size.width + 2, 0, self.imageView.bounds.size.width + 10)];

[self setImageEdgeInsets:UIEdgeInsetsMake(0, self.titleLabel.bounds.size.width + 10, 0, -self.titleLabel.bounds.size.width + 2)];

}

- (void)adjustTitle:(NSString *)title textColor:(UIColor *)color {

if (![title isKindOfClass:[NSString class]]) return;

[self setTitle:title forState:UIControlStateNormal];

[self setTitleColor:color forState:UIControlStateNormal];

[self adjustFrame];

// 移除筛选列表

if(self.didDismissDropMenu){

self.didDismissDropMenu();

}

}

@end