//
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// CYLTabBarController.m
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// CYLTabBarController
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//
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// v1.16.0 Created by 微博@iOS程序犭袁 ( http://weibo.com/luohanchenyilong/ ) on 10/20/15.
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// Copyright © 2015 https://github.com/ChenYilong . All rights reserved.
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//
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#import "UIControl+CYLTabBarControllerExtention.h"
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#import <objc/runtime.h>
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#import "UIView+CYLTabBarControllerExtention.h"
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#import "CYLConstants.h"
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@implementation UIControl (CYLTabBarControllerExtention)
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- (void)cyl_showTabBadgePoint {
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[self cyl_setShowTabBadgePointIfNeeded:YES];
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}
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- (void)cyl_removeTabBadgePoint {
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[self cyl_setShowTabBadgePointIfNeeded:NO];
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}
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- (BOOL)cyl_isShowTabBadgePoint {
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return !self.cyl_tabBadgePointView.hidden;
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}
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- (void)cyl_setShowTabBadgePointIfNeeded:(BOOL)showTabBadgePoint {
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@try {
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[self cyl_setShowTabBadgePoint:showTabBadgePoint];
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} @catch (NSException *exception) {
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NSLog(@"CYLPlusChildViewController do not support set TabBarItem red point");
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}
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}
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- (void)cyl_setShowTabBadgePoint:(BOOL)showTabBadgePoint {
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if (showTabBadgePoint && self.cyl_tabBadgePointView.superview == nil) {
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[self addSubview:self.cyl_tabBadgePointView];
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[self bringSubviewToFront:self.cyl_tabBadgePointView];
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self.cyl_tabBadgePointView.layer.zPosition = MAXFLOAT;
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// X constraint
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[self addConstraint:
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[NSLayoutConstraint constraintWithItem:self.cyl_tabBadgePointView
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attribute:NSLayoutAttributeCenterX
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relatedBy:0
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toItem:self.cyl_tabImageView
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attribute:NSLayoutAttributeRight
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multiplier:1
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constant:self.cyl_tabBadgePointViewOffset.horizontal]];
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//Y constraint
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[self addConstraint:
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[NSLayoutConstraint constraintWithItem:self.cyl_tabBadgePointView
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attribute:NSLayoutAttributeCenterY
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relatedBy:0
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toItem:self.cyl_tabImageView
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attribute:NSLayoutAttributeTop
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multiplier:1
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constant:self.cyl_tabBadgePointViewOffset.vertical]];
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}
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self.cyl_tabBadgePointView.hidden = showTabBadgePoint == NO;
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self.cyl_tabBadgeView.hidden = showTabBadgePoint == YES;
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}
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- (void)cyl_setTabBadgePointView:(UIView *)tabBadgePointView {
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UIView *tempView = objc_getAssociatedObject(self, @selector(cyl_tabBadgePointView));
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if (tempView) {
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[tempView removeFromSuperview];
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}
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if (tabBadgePointView.superview) {
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[tabBadgePointView removeFromSuperview];
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}
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tabBadgePointView.hidden = YES;
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objc_setAssociatedObject(self, @selector(cyl_tabBadgePointView), tabBadgePointView, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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}
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- (UIView *)cyl_tabBadgePointView {
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UIView *tabBadgePointView = objc_getAssociatedObject(self, @selector(cyl_tabBadgePointView));
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if (tabBadgePointView == nil) {
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tabBadgePointView = self.cyl_defaultTabBadgePointView;
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objc_setAssociatedObject(self, @selector(cyl_tabBadgePointView), tabBadgePointView, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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}
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return tabBadgePointView;
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}
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- (void)cyl_setTabBadgePointViewOffset:(UIOffset)tabBadgePointViewOffset {
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objc_setAssociatedObject(self, @selector(cyl_tabBadgePointViewOffset), [NSValue valueWithUIOffset:tabBadgePointViewOffset], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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}
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//offset如果都是正数，则往右下偏移
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- (UIOffset)cyl_tabBadgePointViewOffset {
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id tabBadgePointViewOffsetObject = objc_getAssociatedObject(self, @selector(cyl_tabBadgePointViewOffset));
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UIOffset tabBadgePointViewOffset = [tabBadgePointViewOffsetObject UIOffsetValue];
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return tabBadgePointViewOffset;
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}
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- (UIView *)cyl_tabBadgeView {
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for (UIView *subview in self.subviews) {
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if ([subview cyl_isTabBadgeView]) {
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return (UIView *)subview;
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}
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}
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return nil;
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}
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- (UIImageView *)cyl_tabImageView {
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for (UIImageView *subview in self.subviews) {
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if ([subview cyl_isTabImageView]) {
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return (UIImageView *)subview;
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}
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}
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return nil;
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}
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- (UILabel *)cyl_tabLabel {
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for (UILabel *subview in self.subviews) {
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if ([subview cyl_isTabLabel]) {
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return (UILabel *)subview;
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}
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}
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return nil;
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}
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#pragma mark - private method
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- (UIView *)cyl_defaultTabBadgePointView {
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UIView *defaultRedTabBadgePointView = [UIView cyl_tabBadgePointViewWithClolor:[UIColor redColor] radius:4.5];
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return defaultRedTabBadgePointView;
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}
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@end
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