184 lines
7.7 KiB
C
184 lines
7.7 KiB
C
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/**
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* Tencent is pleased to support the open source community by making QMUI_iOS available.
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* Copyright (C) 2016-2021 THL A29 Limited, a Tencent company. All rights reserved.
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* Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
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* http://opensource.org/licenses/MIT
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
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*/
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//
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// QMUINavigationTitleView.h
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// qmui
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//
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// Created by QMUI Team on 14-7-2.
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//
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#import <UIKit/UIKit.h>
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#import "QMUIButton.h"
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@class QMUINavigationTitleView;
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@protocol QMUINavigationTitleViewDelegate <NSObject>
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@optional
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/**
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点击 titleView 后的回调，只需设置 titleView.userInteractionEnabled = YES 后即可使用。不过一般都用于配合 QMUINavigationTitleViewAccessoryTypeDisclosureIndicator。
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@param titleView 被点击的 titleView
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@param isActive titleView 是否处于活跃状态（所谓的活跃，对应右边的箭头而言，就是点击后箭头向上的状态）
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*/
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- (void)didTouchTitleView:(QMUINavigationTitleView *)titleView isActive:(BOOL)isActive;
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/**
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titleView 的活跃状态发生变化时会被调用，也即 [titleView setActive:] 被调用时。
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@param active 是否处于活跃状态
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@param titleView 变换状态的 titleView
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*/
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- (void)didChangedActive:(BOOL)active forTitleView:(QMUINavigationTitleView *)titleView;
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@end
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/// 设置title和subTitle的布局方式，默认是水平布局。
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typedef NS_ENUM(NSInteger, QMUINavigationTitleViewStyle) {
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QMUINavigationTitleViewStyleDefault, // 水平
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QMUINavigationTitleViewStyleSubTitleVertical // 垂直
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};
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/// 设置titleView的样式，默认没有任何修饰
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typedef NS_ENUM(NSInteger, QMUINavigationTitleViewAccessoryType) {
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QMUINavigationTitleViewAccessoryTypeNone, // 默认
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QMUINavigationTitleViewAccessoryTypeDisclosureIndicator // 有下拉箭头
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};
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/**
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* 可作为 UIViewController 顶部导航栏里的标题控件，通过 self.navigationItem.titleView 来设置。当调用 -[UIViewController setTitle:] 或 -[UINavigationItem setTitle:] 时，会自动更新 QMUINavigationTitleView 的内容。
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*
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* 也可以当成单独的组件，脱离 UIViewController 使用，就跟普通组件一样。
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*
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* 支持主副标题，且可控制主副标题的布局方式（水平或垂直）；支持在左边显示loading，在右边显示accessoryView（如箭头）。
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*
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* 默认情况下 titleView 是不支持点击的，需要支持点击的情况下，请把 `userInteractionEnabled` 设为 `YES`。
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*
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* 若要监听 titleView 的点击事件，有两种方法：
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*
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* 1. 使用 UIControl 默认的 addTarget:action:forControlEvents: 方式。这种适用于单纯的点击，不需要涉及到状态切换等。
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* 2. 使用 QMUINavigationTitleViewDelegate 提供的接口。这种一般配合 titleView.accessoryType 来使用，这样就不用自己去做 accessoryView 的旋转、active 状态的维护等。
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*/
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@interface QMUINavigationTitleView : UIControl
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@property(nonatomic, weak) id<QMUINavigationTitleViewDelegate> delegate;
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@property(nonatomic, assign) QMUINavigationTitleViewStyle style;
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@property(nonatomic, assign, getter=isActive) BOOL active;
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@property(nonatomic, assign) CGFloat maximumWidth UI_APPEARANCE_SELECTOR;
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#pragma mark - Titles
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@property(nonatomic, strong, readonly) UILabel *titleLabel;
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@property(nonatomic, copy) NSString *title;
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@property(nonatomic, strong, readonly) UILabel *subtitleLabel;
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@property(nonatomic, copy) NSString *subtitle;
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/// 当 tintColor 发生变化时是否要自动把 titleLabel、subtitleLabel、loadingView 的颜色也更新为 tintColor 的色值，默认为 YES，如果你自己修改了 titleLabel、subtitleLabel、loadingView 的颜色，需要把这个值置为 NO
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@property(nonatomic, assign) BOOL adjustsSubviewsTintColorAutomatically UI_APPEARANCE_SELECTOR;
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/// 水平布局下的标题字体，默认为 NavBarTitleFont
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@property(nonatomic, strong) UIFont *horizontalTitleFont UI_APPEARANCE_SELECTOR;
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/// 水平布局下的副标题的字体，默认为 NavBarTitleFont
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@property(nonatomic, strong) UIFont *horizontalSubtitleFont UI_APPEARANCE_SELECTOR;
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/// 垂直布局下的标题字体，默认为 UIFontMake(15)
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@property(nonatomic, strong) UIFont *verticalTitleFont UI_APPEARANCE_SELECTOR;
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/// 垂直布局下的副标题字体，默认为 UIFontLightMake(12)
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@property(nonatomic, strong) UIFont *verticalSubtitleFont UI_APPEARANCE_SELECTOR;
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/// 标题的上下左右间距，当标题不显示时，计算大小及布局时也不考虑这个间距，默认为 UIEdgeInsetsZero
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@property(nonatomic, assign) UIEdgeInsets titleEdgeInsets UI_APPEARANCE_SELECTOR;
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/// 副标题的上下左右间距，当副标题不显示时，计算大小及布局时也不考虑这个间距，默认为 UIEdgeInsetsZero
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@property(nonatomic, assign) UIEdgeInsets subtitleEdgeInsets UI_APPEARANCE_SELECTOR;
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#pragma mark - Loading
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@property(nonatomic, strong, readonly) UIActivityIndicatorView *loadingView;
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/*
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* 设置是否需要loading，只有开启了这个属性，loading才有可能显示出来。默认值为NO。
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*/
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@property(nonatomic, assign) BOOL needsLoadingView;
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/*
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* `needsLoadingView`开启之后，通过这个属性来控制loading的显示和隐藏，默认值为YES
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*
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* @see needsLoadingView
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*/
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@property(nonatomic, assign) BOOL loadingViewHidden;
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/*
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* 如果为YES则title居中，loading放在title的左边，title右边有一个跟左边loading一样大的占位空间（目的是为了让切换 loading 时文字不跳动）；如果为NO，loading和title整体居中。默认值为YES。
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*/
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@property(nonatomic, assign) BOOL needsLoadingPlaceholderSpace;
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@property(nonatomic, assign) CGSize loadingViewSize UI_APPEARANCE_SELECTOR;
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/*
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* 控制loading距离右边的距离
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*/
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@property(nonatomic, assign) CGFloat loadingViewMarginRight UI_APPEARANCE_SELECTOR;
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#pragma mark - Accessory
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/*
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* 当accessoryView不为空时，QMUINavigationTitleViewAccessoryType设置无效，一直都是None
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*/
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@property(nonatomic, strong) UIView *accessoryView;
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/*
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* 只有当accessoryView为空时才有效
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*/
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@property(nonatomic, assign) QMUINavigationTitleViewAccessoryType accessoryType;
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/*
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* 用于微调accessoryView的位置
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*/
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@property(nonatomic, assign) CGPoint accessoryViewOffset UI_APPEARANCE_SELECTOR;
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/*
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* 如果为YES则title居中，`accessoryView`放在title的左边或右边；如果为NO，`accessoryView`和title整体居中。默认值为NO。
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*/
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@property(nonatomic, assign) BOOL needsAccessoryPlaceholderSpace;
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/*
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* 同 accessoryView，用于 subtitle 的 AccessoryView
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* @warn 为了美观考虑，该属性只对 QMUINavigationTitleViewStyleSubTitleVertical 有效
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*/
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@property(nonatomic, strong) UIView *subAccessoryView;
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/*
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* 用于微调 subAccessoryView 的位置
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*/
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@property(nonatomic, assign) CGPoint subAccessoryViewOffset UI_APPEARANCE_SELECTOR;
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/*
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* 同 needsAccessoryPlaceholderSpace，用于 subtitle
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*/
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@property(nonatomic, assign) BOOL needsSubAccessoryPlaceholderSpace;
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/*
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* 初始化方法
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*/
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- (instancetype)initWithStyle:(QMUINavigationTitleViewStyle)style;
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@end
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@interface UIView (QMUINavigationTitleView)
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/// 标记当前 view 是用于自定义的导航栏标题，QMUI 可以帮你自动处理系统的一些布局 bug。对于 QMUINavigationTitleView 而言默认值为 YES，其他 UIView 默认值为 NO
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@property(nonatomic, assign) BOOL qmui_useAsNavigationTitleView;
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@end
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