//
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// UIButton+DDKit.m
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// DDCategory
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//
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// Created by DeJohn Dong on 15-3-20.
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// Copyright (c) 2015年 DDKit. All rights reserved.
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//
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#import "UIButton+DDKit.h"
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@implementation UIButton (DDKit)
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@end
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@implementation UIButton (DDBadgeView)
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- (UIView *)dd_showBadgeValue:(NSString *)strBadgeValue
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{
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UITabBar *tabBar = [[UITabBar alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 50)];
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UITabBarItem *item = [[UITabBarItem alloc] initWithTitle:@"" image:nil tag:0];
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item.badgeValue = strBadgeValue;
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NSArray *array = [[NSArray alloc] initWithObjects:item, nil];
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tabBar.items = array;
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//寻找
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for (UIView *viewTab in tabBar.subviews) {
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for (UIView *subview in viewTab.subviews) {
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NSString *strClassName = [NSString stringWithUTF8String:object_getClassName(subview)];
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if ([strClassName isEqualToString:@"UITabBarButtonBadge"] ||
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[strClassName isEqualToString:@"_UIBadgeView"]) {
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//从原视图上移除
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[subview removeFromSuperview];
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//
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[self addSubview:subview];
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subview.frame = CGRectMake(self.frame.size.width-subview.frame.size.width, 0, subview.frame.size.width, subview.frame.size.height);
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return subview;
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}
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}
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}
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return nil;
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}
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- (void)dd_removeBadgeValue
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{
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//
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for (UIView *subview in self.subviews) {
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NSString *strClassName = [NSString stringWithUTF8String:object_getClassName(subview)];
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if ([strClassName isEqualToString:@"UITabBarButtonBadge"] ||
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[strClassName isEqualToString:@"_UIBadgeView"]) {
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[subview removeFromSuperview];
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break;
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}
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}
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}
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- (UIView *)dd_showBadgeValue:(NSString *)strBadgeValue andPadding:(CGPoint)point
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{
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[self dd_removeBadgeValue];
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UITabBar *tabBar = [[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 320, 50)];
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UITabBarItem *item = [[UITabBarItem alloc] initWithTitle:@"" image:nil tag:0];
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item.badgeValue = strBadgeValue;
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NSArray *array = [[NSArray alloc] initWithObjects:item, nil];
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tabBar.items = array;
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//search the view
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for (UIView *viewTab in tabBar.subviews) {
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for (UIView *subview in viewTab.subviews) {
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NSString *strClassName = [NSString stringWithUTF8String:object_getClassName(subview)];
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if ([strClassName isEqualToString:@"UITabBarButtonBadge"] ||
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[strClassName isEqualToString:@"_UIBadgeView"]) {
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//remove from the origin view.
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[subview removeFromSuperview];
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[self addSubview:subview];
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subview.frame = CGRectMake(self.frame.size.width-subview.frame.size.width - point.x, 0 + point.y, subview.frame.size.width, subview.frame.size.height);
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return subview;
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}
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}
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}
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return nil;
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}
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@end
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@implementation UIButton (DDButtonCenterStyle)
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- (void)dd_centerImageAndTitle:(float)spacing
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{
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// get the size of the elements here for readability
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CGSize imageSize = self.imageView.frame.size;
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CGSize titleSize = CGSizeZero;
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if([[UIDevice currentDevice].systemVersion floatValue] >= 7.0) {
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titleSize = [self.titleLabel.text sizeWithAttributes:@{NSFontAttributeName:self.titleLabel.font}];
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}
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else
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{
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titleSize = [self.titleLabel.text sizeWithFont:self.titleLabel.font];
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}
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// check if the size.width is more than the frame.size.width
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titleSize = titleSize.width > self.frame.size.width ? CGSizeMake(self.frame.size.width, titleSize.height):titleSize;
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// get the height they will take up as a unit
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CGFloat totalHeight = (imageSize.height + titleSize.height + spacing);
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// raise the image and push it right to center it
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self.imageEdgeInsets = UIEdgeInsetsMake(
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- (totalHeight - imageSize.height), 0.0, 0.0, - titleSize.width - (titleSize.width/imageSize.width >=2 ));
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// lower the text and push it left to center it
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self.titleEdgeInsets = UIEdgeInsetsMake(
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0.0, - imageSize.width, - (totalHeight - titleSize.height), 0.0);
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}
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- (void)dd_centerImageAndTitle
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{
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const int DEFAULT_SPACING = 6.0f;
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[self dd_centerImageAndTitle:DEFAULT_SPACING];
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}
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@end
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