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139 lines
4.6 KiB
Objective-C
139 lines
4.6 KiB
Objective-C
//
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// ASButtonNode.h
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// Texture
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASControlNode.h>
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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@class ASImageNode, ASTextNode;
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/**
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Image alignment defines where the image will be placed relative to the text.
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*/
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typedef NS_ENUM(NSInteger, ASButtonNodeImageAlignment) {
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/** Places the image before the text. */
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ASButtonNodeImageAlignmentBeginning,
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/** Places the image after the text. */
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ASButtonNodeImageAlignmentEnd
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};
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@interface ASButtonNode : ASControlNode
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@property (nonatomic, readonly) ASTextNode * titleNode;
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@property (nonatomic, readonly) ASImageNode * imageNode;
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@property (nonatomic, readonly) ASImageNode * backgroundImageNode;
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/**
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Spacing between image and title. Defaults to 8.0.
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*/
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@property (nonatomic, assign) CGFloat contentSpacing;
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/**
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Whether button should be laid out vertically (image on top of text) or horizontally (image to the left of text).
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ASButton node does not yet support RTL but it should be fairly easy to implement.
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Defaults to YES.
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*/
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@property (nonatomic, assign) BOOL laysOutHorizontally;
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/** Horizontally align content (text or image).
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Defaults to ASHorizontalAlignmentMiddle.
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*/
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@property (nonatomic, assign) ASHorizontalAlignment contentHorizontalAlignment;
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/** Vertically align content (text or image).
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Defaults to ASVerticalAlignmentCenter.
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*/
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@property (nonatomic, assign) ASVerticalAlignment contentVerticalAlignment;
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/**
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* @discussion The insets used around the title and image node
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*/
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@property (nonatomic, assign) UIEdgeInsets contentEdgeInsets;
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/**
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* @discusstion Whether the image should be aligned at the beginning or at the end of node. Default is `ASButtonNodeImageAlignmentBeginning`.
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*/
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@property (nonatomic, assign) ASButtonNodeImageAlignment imageAlignment;
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/**
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* Returns the styled title associated with the specified state.
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*
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* @param state The control state that uses the styled title.
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*
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* @return The title for the specified state.
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*/
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- (nullable NSAttributedString *)attributedTitleForState:(UIControlState)state AS_WARN_UNUSED_RESULT;
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/**
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* Sets the styled title to use for the specified state. This will reset styled title previously set with -setTitle:withFont:withColor:forState.
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*
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* @param title The styled text string to use for the title.
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* @param state The control state that uses the specified title.
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*/
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- (void)setAttributedTitle:(nullable NSAttributedString *)title forState:(UIControlState)state;
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#if TARGET_OS_IOS
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/**
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* Sets the title to use for the specified state. This will reset styled title previously set with -setAttributedTitle:forState.
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*
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* @param title The styled text string to use for the title.
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* @param font The font to use for the title.
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* @param color The color to use for the title.
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* @param state The control state that uses the specified title.
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*/
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- (void)setTitle:(NSString *)title withFont:(nullable UIFont *)font withColor:(nullable UIColor *)color forState:(UIControlState)state;
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#endif
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/**
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* Returns the image used for a button state.
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*
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* @param state The control state that uses the image.
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*
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* @return The image used for the specified state.
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*/
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- (nullable UIImage *)imageForState:(UIControlState)state AS_WARN_UNUSED_RESULT;
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/**
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* Sets the image to use for the specified state.
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*
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* @param image The image to use for the specified state.
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* @param state The control state that uses the specified title.
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*/
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- (void)setImage:(nullable UIImage *)image forState:(UIControlState)state;
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/**
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* Sets the background image to use for the specified state.
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*
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* @param image The image to use for the specified state.
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* @param state The control state that uses the specified title.
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*/
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- (void)setBackgroundImage:(nullable UIImage *)image forState:(UIControlState)state;
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/**
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* Returns the background image used for a button state.
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*
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* @param state The control state that uses the image.
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*
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* @return The background image used for the specified state.
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*/
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- (nullable UIImage *)backgroundImageForState:(UIControlState)state AS_WARN_UNUSED_RESULT;
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@end
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NS_ASSUME_NONNULL_END
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