2021-08-02 1.更新

JLChen

2021-08-02 38f4fb064df09f344fc3237409c76a9fba2a8a9e

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//
//  DTActionSheet.m
//  DTFoundation
//
//  Created by Oliver Drobnik on 08.06.12.
//  Copyright (c) 2012 Cocoanetics. All rights reserved.
//
 
#import "DTActionSheet.h"
#import "DTWeakSupport.h"
 
@interface DTActionSheet () <UIActionSheetDelegate>
 
@end
 
@implementation DTActionSheet
{
    NSMutableDictionary *_actionsPerIndex;
}
 
// designated initializer
- (instancetype)init
{
    self = [super init];
    if (self)
    {
        _actionsPerIndex = [[NSMutableDictionary alloc] init];
        [super setDelegate:self];
 
    }
    return self;
}
 
- (instancetype)initWithTitle:(NSString *)title
{
    return [self initWithTitle:title delegate:nil cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil];
}
 
- (instancetype)initWithTitle:(NSString *)title delegate:(id<UIActionSheetDelegate>)delegate cancelButtonTitle:(NSString *)cancelButtonTitle destructiveButtonTitle:(NSString *)destructiveButtonTitle otherButtonTitles:(NSString *)otherButtonTitles, ...
{
    self = [self init];
    if (self)
    {
        self.title = title;
 
        if (otherButtonTitles != nil) {
            [self addButtonWithTitle:otherButtonTitles];
            va_list args;
            va_start(args, otherButtonTitles);
            NSString *title = nil;
            while( (title = va_arg(args, NSString *)) ) {
                [self addButtonWithTitle:title];
            }
            va_end(args);
        }
 
        if (destructiveButtonTitle) {
            [self addDestructiveButtonWithTitle:destructiveButtonTitle block:nil];
        }
        if (cancelButtonTitle) {
            [self addCancelButtonWithTitle:cancelButtonTitle block:nil];
        }
 
        self.actionSheetDelegate = delegate;
    }
 
    return self;
}
 
- (void)dealloc
{
    [super setDelegate:nil];
    self.actionSheetDelegate = nil;
}
 
- (NSInteger)addButtonWithTitle:(NSString *)title block:(DTActionSheetBlock)block
{
    NSInteger retIndex = [self addButtonWithTitle:title];
 
    if (block)
    {
        NSNumber *key = [NSNumber numberWithInteger:retIndex];
        [_actionsPerIndex setObject:[block copy] forKey:key];
    }
 
    return retIndex;
}
 
- (NSInteger)addDestructiveButtonWithTitle:(NSString *)title block:(DTActionSheetBlock)block
{
    NSInteger retIndex = [self addButtonWithTitle:title block:block];
    [self setDestructiveButtonIndex:retIndex];
 
    return retIndex;
}
 
- (NSInteger)addCancelButtonWithTitle:(NSString *)title
{
    return [self addCancelButtonWithTitle:title block:nil];
}
 
- (NSInteger)addCancelButtonWithTitle:(NSString *)title block:(DTActionSheetBlock)block
{
    NSInteger retIndex = [self addButtonWithTitle:title block:block];
    [self setCancelButtonIndex:retIndex];
 
    return retIndex;
}
 
#pragma mark - UIActionSheetDelegate (forwarded)
 
- (void)actionSheetCancel:(UIActionSheet *)actionSheet
{
    if ([self.actionSheetDelegate respondsToSelector:@selector(actionSheetCancel:)])
    {
        [self.actionSheetDelegate actionSheetCancel:actionSheet];
    }
}
 
- (void)willPresentActionSheet:(UIActionSheet *)actionSheet
{
    if ([self.actionSheetDelegate respondsToSelector:@selector(willPresentActionSheet:)])
    {
        [self.actionSheetDelegate willPresentActionSheet:actionSheet];
    }
}
 
- (void)didPresentActionSheet:(UIActionSheet *)actionSheet
{
    if ([self.actionSheetDelegate respondsToSelector:@selector(didPresentActionSheet:)])
    {
        [self.actionSheetDelegate didPresentActionSheet:actionSheet];
    }
}
 
- (void)actionSheet:(UIActionSheet *)actionSheet willDismissWithButtonIndex:(NSInteger)buttonIndex
{
    if ([self.actionSheetDelegate respondsToSelector:@selector(actionSheet:willDismissWithButtonIndex:)])
    {
        [self.actionSheetDelegate actionSheet:actionSheet willDismissWithButtonIndex:buttonIndex];
    }
}
 
- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex
{
    if ([self.actionSheetDelegate respondsToSelector:@selector(actionSheet:didDismissWithButtonIndex:)])
    {
        [self.actionSheetDelegate actionSheet:actionSheet didDismissWithButtonIndex:buttonIndex];
    }
}
 
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
    NSNumber *key = [NSNumber numberWithInteger:buttonIndex];
 
    DTActionSheetBlock block = [_actionsPerIndex objectForKey:key];
 
    if (block)
    {
        block();
    }
 
    if ([self.actionSheetDelegate respondsToSelector:@selector(actionSheet:clickedButtonAtIndex:)])
    {
        [self.actionSheetDelegate actionSheet:actionSheet clickedButtonAtIndex:buttonIndex];
    }
}
 
#pragma mark - Properties
 
- (void)setDelegate:(id <UIActionSheetDelegate>)delegate
{
    if (delegate)
    {
        NSLog(@"Calling setDelegate is not supported! Use setActionSheetDelegate instead");
    }
}
 
@end