//
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// IQBarButtonItem.m
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// https://github.com/hackiftekhar/IQKeyboardManager
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// Copyright (c) 2013-16 Iftekhar Qurashi.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import "IQBarButtonItem.h"
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#import "IQKeyboardManagerConstantsInternal.h"
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#import <UIKit/NSAttributedString.h>
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@implementation IQBarButtonItem
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+(void)initialize
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{
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[super initialize];
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IQBarButtonItem *appearanceProxy = [self appearance];
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NSArray <NSNumber*> *states = @[@(UIControlStateNormal),@(UIControlStateHighlighted),@(UIControlStateDisabled),@(UIControlStateSelected),@(UIControlStateApplication),@(UIControlStateReserved)];
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for (NSNumber *state in states)
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{
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UIControlState controlState = [state unsignedIntegerValue];
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[appearanceProxy setBackgroundImage:nil forState:controlState barMetrics:UIBarMetricsDefault];
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[appearanceProxy setBackgroundImage:nil forState:controlState style:UIBarButtonItemStyleDone barMetrics:UIBarMetricsDefault];
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[appearanceProxy setBackgroundImage:nil forState:controlState style:UIBarButtonItemStylePlain barMetrics:UIBarMetricsDefault];
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[appearanceProxy setBackButtonBackgroundImage:nil forState:controlState barMetrics:UIBarMetricsDefault];
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}
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[appearanceProxy setTitlePositionAdjustment:UIOffsetZero forBarMetrics:UIBarMetricsDefault];
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[appearanceProxy setBackgroundVerticalPositionAdjustment:0 forBarMetrics:UIBarMetricsDefault];
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[appearanceProxy setBackButtonBackgroundVerticalPositionAdjustment:0 forBarMetrics:UIBarMetricsDefault];
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}
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-(void)setTintColor:(UIColor *)tintColor
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{
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[super setTintColor:tintColor];
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//titleTextAttributes tweak is to overcome an issue comes with iOS11 where appearanceProxy set for NSForegroundColorAttributeName and bar button texts start appearing in appearance proxy color
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NSMutableDictionary *textAttributes = [[self titleTextAttributesForState:UIControlStateNormal] mutableCopy]?:[NSMutableDictionary new];
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textAttributes[NSForegroundColorAttributeName] = tintColor;
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[self setTitleTextAttributes:textAttributes forState:UIControlStateNormal];
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}
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- (instancetype)initWithBarButtonSystemItem:(UIBarButtonSystemItem)systemItem target:(nullable id)target action:(nullable SEL)action
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{
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self = [super initWithBarButtonSystemItem:systemItem target:target action:action];
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if (self)
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{
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_isSystemItem = YES;
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}
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return self;
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}
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-(void)setTarget:(nullable id)target action:(nullable SEL)action
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{
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NSInvocation *invocation = nil;
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if (target && action)
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{
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invocation = [NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:action]];
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invocation.target = target;
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invocation.selector = action;
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}
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self.invocation = invocation;
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}
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-(void)dealloc
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{
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self.target = nil;
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self.invocation.target = nil;
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self.invocation = nil;
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}
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@end
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