//
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// IQTitleBarButtonItem.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 "IQTitleBarButtonItem.h"
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#import "IQKeyboardManagerConstants.h"
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#import "IQKeyboardManagerConstantsInternal.h"
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#import <UIKit/UILabel.h>
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#import <UIKit/UIButton.h>
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@interface IQTitleBarButtonItem ()
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@property(nonatomic, strong) UIView *titleView;
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@property(nonatomic, strong) UIButton *titleButton;
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@end
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@implementation IQTitleBarButtonItem
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-(nonnull instancetype)initWithTitle:(nullable NSString *)title
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{
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self = [super init];
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if (self)
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{
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_titleView = [[UIView alloc] init];
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_titleView.backgroundColor = [UIColor clearColor];
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_titleButton = [UIButton buttonWithType:UIButtonTypeSystem];
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_titleButton.enabled = NO;
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_titleButton.titleLabel.numberOfLines = 3;
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[_titleButton setTitleColor:[UIColor colorWithRed:0.0 green:0.5 blue:1.0 alpha:1.0] forState:UIControlStateNormal];
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[_titleButton setTitleColor:[UIColor lightGrayColor] forState:UIControlStateDisabled];
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[_titleButton setBackgroundColor:[UIColor clearColor]];
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[_titleButton.titleLabel setTextAlignment:NSTextAlignmentCenter];
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[self setTitle:title];
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[self setTitleFont:[UIFont systemFontOfSize:13.0]];
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[_titleView addSubview:_titleButton];
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#ifdef __IPHONE_11_0
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if (@available(iOS 11.0, *))
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{
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CGFloat layoutDefaultLowPriority = UILayoutPriorityDefaultLow-1;
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CGFloat layoutDefaultHighPriority = UILayoutPriorityDefaultHigh-1;
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_titleView.translatesAutoresizingMaskIntoConstraints = NO;
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[_titleView setContentHuggingPriority:layoutDefaultLowPriority forAxis:UILayoutConstraintAxisVertical];
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[_titleView setContentHuggingPriority:layoutDefaultLowPriority forAxis:UILayoutConstraintAxisHorizontal];
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[_titleView setContentCompressionResistancePriority:layoutDefaultHighPriority forAxis:UILayoutConstraintAxisVertical];
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[_titleView setContentCompressionResistancePriority:layoutDefaultHighPriority forAxis:UILayoutConstraintAxisHorizontal];
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_titleButton.translatesAutoresizingMaskIntoConstraints = NO;
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[_titleButton setContentHuggingPriority:layoutDefaultLowPriority forAxis:UILayoutConstraintAxisVertical];
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[_titleButton setContentHuggingPriority:layoutDefaultLowPriority forAxis:UILayoutConstraintAxisHorizontal];
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[_titleButton setContentCompressionResistancePriority:layoutDefaultHighPriority forAxis:UILayoutConstraintAxisVertical];
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[_titleButton setContentCompressionResistancePriority:layoutDefaultHighPriority forAxis:UILayoutConstraintAxisHorizontal];
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NSLayoutConstraint *top = [NSLayoutConstraint constraintWithItem:_titleButton attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:_titleView attribute:NSLayoutAttributeTop multiplier:1 constant:0];
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NSLayoutConstraint *bottom = [NSLayoutConstraint constraintWithItem:_titleButton attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:_titleView attribute:NSLayoutAttributeBottom multiplier:1 constant:0];
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NSLayoutConstraint *leading = [NSLayoutConstraint constraintWithItem:_titleButton attribute:NSLayoutAttributeLeading relatedBy:NSLayoutRelationEqual toItem:_titleView attribute:NSLayoutAttributeLeading multiplier:1 constant:0];
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NSLayoutConstraint *trailing = [NSLayoutConstraint constraintWithItem:_titleButton attribute:NSLayoutAttributeTrailing relatedBy:NSLayoutRelationEqual toItem:_titleView attribute:NSLayoutAttributeTrailing multiplier:1 constant:0];
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[_titleView addConstraints:@[top,bottom,leading,trailing]];
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}
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else
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#endif
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{
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_titleView.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;
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_titleButton.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;
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}
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self.customView = _titleView;
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}
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return self;
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}
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-(void)setTitleFont:(UIFont *)titleFont
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{
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_titleFont = titleFont;
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if (titleFont)
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{
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_titleButton.titleLabel.font = titleFont;
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}
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else
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{
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_titleButton.titleLabel.font = [UIFont systemFontOfSize:13];
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}
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}
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-(void)setTitle:(NSString *)title
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{
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[super setTitle:title];
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[_titleButton setTitle:title forState:UIControlStateNormal];
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}
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-(void)setTitleColor:(UIColor*)titleColor
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{
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_titleColor = titleColor;
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[_titleButton setTitleColor:_titleColor?:[UIColor lightGrayColor] forState:UIControlStateDisabled];
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}
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-(void)setSelectableTitleColor:(UIColor*)selectableTitleColor
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{
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_selectableTitleColor = selectableTitleColor;
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[_titleButton setTitleColor:_selectableTitleColor?:[UIColor colorWithRed:0.0 green:0.5 blue:1.0 alpha:1.0] forState:UIControlStateNormal];
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}
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-(void)setInvocation:(NSInvocation *)invocation
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{
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[super setInvocation:invocation];
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if (invocation.target == nil || invocation.selector == NULL)
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{
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self.enabled = NO;
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_titleButton.enabled = NO;
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[_titleButton removeTarget:nil action:NULL forControlEvents:UIControlEventTouchUpInside];
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}
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else
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{
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self.enabled = YES;
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_titleButton.enabled = YES;
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[_titleButton addTarget:invocation.target action:invocation.selector forControlEvents:UIControlEventTouchUpInside];
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}
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}
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-(void)dealloc
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{
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self.customView = nil;
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[_titleButton removeTarget:nil action:NULL forControlEvents:UIControlEventTouchUpInside];
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_titleView = nil;
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_titleButton = nil;
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}
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@end
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