//
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// IQToolbar.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 "IQToolbar.h"
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#import "IQKeyboardManagerConstantsInternal.h"
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#import "IQUIView+Hierarchy.h"
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#import <UIKit/UIButton.h>
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#import <UIKit/UIAccessibility.h>
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#import <UIKit/UIViewController.h>
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@implementation IQToolbar
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@synthesize previousBarButton = _previousBarButton;
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@synthesize nextBarButton = _nextBarButton;
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@synthesize titleBarButton = _titleBarButton;
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@synthesize doneBarButton = _doneBarButton;
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@synthesize fixedSpaceBarButton = _fixedSpaceBarButton;
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+(void)initialize
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{
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[super initialize];
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IQToolbar *appearanceProxy = [self appearance];
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NSArray <NSNumber*> *positions = @[@(UIBarPositionAny),@(UIBarPositionBottom),@(UIBarPositionTop),@(UIBarPositionTopAttached)];
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for (NSNumber *position in positions)
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{
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UIToolbarPosition toolbarPosition = [position unsignedIntegerValue];
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[appearanceProxy setBackgroundImage:nil forToolbarPosition:toolbarPosition barMetrics:UIBarMetricsDefault];
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[appearanceProxy setShadowImage:nil forToolbarPosition:toolbarPosition];
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}
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}
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-(void)initialize
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{
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[self sizeToFit];
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self.autoresizingMask = UIViewAutoresizingFlexibleWidth;// | UIViewAutoresizingFlexibleHeight;
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self.translucent = YES;
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}
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- (instancetype)initWithFrame:(CGRect)frame
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{
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self = [super initWithFrame:frame];
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if (self)
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{
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[self initialize];
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}
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return self;
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}
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- (instancetype)initWithCoder:(NSCoder *)coder
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{
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self = [super initWithCoder:coder];
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if (self)
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{
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[self initialize];
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}
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return self;
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}
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-(void)dealloc
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{
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self.items = nil;
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}
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-(IQBarButtonItem *)previousBarButton
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{
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if (_previousBarButton == nil)
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{
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_previousBarButton = [[IQBarButtonItem alloc] initWithImage:nil style:UIBarButtonItemStylePlain target:nil action:nil];
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}
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return _previousBarButton;
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}
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-(IQBarButtonItem *)nextBarButton
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{
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if (_nextBarButton == nil)
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{
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_nextBarButton = [[IQBarButtonItem alloc] initWithImage:nil style:UIBarButtonItemStylePlain target:nil action:nil];
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}
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return _nextBarButton;
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}
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-(IQTitleBarButtonItem *)titleBarButton
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{
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if (_titleBarButton == nil)
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{
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_titleBarButton = [[IQTitleBarButtonItem alloc] initWithTitle:nil];
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_titleBarButton.accessibilityLabel = @"Title";
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_titleBarButton.accessibilityIdentifier = _titleBarButton.accessibilityLabel;
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}
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return _titleBarButton;
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}
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-(IQBarButtonItem *)doneBarButton
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{
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if (_doneBarButton == nil)
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{
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_doneBarButton = [[IQBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:nil action:nil];
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}
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return _doneBarButton;
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}
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-(IQBarButtonItem *)fixedSpaceBarButton
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{
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if (_fixedSpaceBarButton == nil)
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{
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_fixedSpaceBarButton = [[IQBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
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if (@available(iOS 10.0, *))
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{
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[_fixedSpaceBarButton setWidth:6];
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}
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else
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{
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[_fixedSpaceBarButton setWidth:20];
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}
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}
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return _fixedSpaceBarButton;
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}
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-(CGSize)sizeThatFits:(CGSize)size
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{
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CGSize sizeThatFit = [super sizeThatFits:size];
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sizeThatFit.height = 44;
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return sizeThatFit;
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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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for (UIBarButtonItem *item in self.items)
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{
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[item setTintColor:tintColor];
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}
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}
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-(void)layoutSubviews
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{
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[super layoutSubviews];
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if (@available(iOS 11.0, *)) {}
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else {
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CGRect leftRect = CGRectNull;
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CGRect rightRect = CGRectNull;
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BOOL isTitleBarButtonFound = NO;
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NSArray<UIView*> *subviews = [self.subviews sortedArrayUsingComparator:^NSComparisonResult(UIView *view1, UIView *view2) {
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CGFloat x1 = CGRectGetMinX(view1.frame);
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CGFloat y1 = CGRectGetMinY(view1.frame);
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CGFloat x2 = CGRectGetMinX(view2.frame);
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CGFloat y2 = CGRectGetMinY(view2.frame);
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if (x1 < x2) return NSOrderedAscending;
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else if (x1 > x2) return NSOrderedDescending;
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//Else both y are same so checking for x positions
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else if (y1 < y2) return NSOrderedAscending;
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else if (y1 > y2) return NSOrderedDescending;
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else return NSOrderedSame;
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}];
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for (UIView *barButtonItemView in subviews)
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{
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if (isTitleBarButtonFound == YES)
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{
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rightRect = barButtonItemView.frame;
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break;
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}
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else if (barButtonItemView == self.titleBarButton.customView)
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{
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isTitleBarButtonFound = YES;
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}
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//If it's UIToolbarButton or UIToolbarTextButton (which actually UIBarButtonItem)
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else if ([barButtonItemView isKindOfClass:[UIControl class]])
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{
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leftRect = barButtonItemView.frame;
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}
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}
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CGFloat titleMargin = 16;
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CGFloat maxWidth = CGRectGetWidth(self.frame) - titleMargin*2 - (CGRectIsNull(leftRect)?0:CGRectGetMaxX(leftRect)) - (CGRectIsNull(rightRect)?0:CGRectGetWidth(self.frame)-CGRectGetMinX(rightRect));
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CGFloat maxHeight = self.frame.size.height;
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CGSize sizeThatFits = [self.titleBarButton.customView sizeThatFits:CGSizeMake(maxWidth, maxHeight)];
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CGRect titleRect = CGRectZero;
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CGFloat x = titleMargin;
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if (sizeThatFits.width > 0 && sizeThatFits.height > 0)
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{
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CGFloat width = MIN(sizeThatFits.width, maxWidth);
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CGFloat height = MIN(sizeThatFits.height, maxHeight);
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if (CGRectIsNull(leftRect) == false)
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{
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x = titleMargin + CGRectGetMaxX(leftRect) + ((maxWidth - width)/2);
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}
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CGFloat y = (maxHeight - height)/2;
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titleRect = CGRectMake(x, y, width, height);
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}
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else
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{
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if (CGRectIsNull(leftRect) == false)
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{
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x = titleMargin + CGRectGetMaxX(leftRect);
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}
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CGFloat width = CGRectGetWidth(self.frame) - titleMargin*2 - (CGRectIsNull(leftRect)?0:CGRectGetMaxX(leftRect)) - (CGRectIsNull(rightRect)?0:CGRectGetWidth(self.frame)-CGRectGetMinX(rightRect));
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titleRect = CGRectMake(x, 0, width, maxHeight);
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}
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self.titleBarButton.customView.frame = titleRect;
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}
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}
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#pragma mark - UIInputViewAudioFeedback delegate
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- (BOOL) enableInputClicksWhenVisible
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{
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return YES;
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}
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@end
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