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UIActionSheet+Blocks

2013-11-10 14:22 225 查看

UIActionSheet+Blocks.h

		@@ -0,0 +1,57 @@
		+//
		+// UIActionSheet+Blocks.h
		+//
		+// Created by Shai Mishali on 9/26/13.
		+// Copyright (c) 2013 Shai Mishali. All rights reserved.
		+//
		+
		+#import <UIKit/UIKit.h>
		+
		+/**
		+UIActionSheet+Blocks is a simple Block implementation for UIActionSheet created by Shai Mishali.
		+*/
		+
		+@interface UIActionSheet (Blocks) <UIActionSheetDelegate>
		+
		+/**
		+Present a UIActionSheet on a specific view
		+
		+Note: On this shorthand version the cancel button always displayed "Cancel" as the text. If you require a custom cancel text, use the longer method below.
		+
		+@param view The view on which the UIActionSheet will be displayed
		+@param title The title of the UIActionSheet
		+@param otherStrings An array containing strings of other buttons
		+@param onCancel Cancel block - Called when the user pressed the cancel button, or the UIActionSheet has been manually dismissed
		+@param onClickedButton Clicked button at index block - Called when the user presses any button other then Cancel
		+
		+@return The generated UIActionSheet
		+*/
		++(UIActionSheet )presentOnView: (UIView )view
		+ withTitle: (NSString *)title
		+ otherButtons: (NSArray *)otherStrings
		+ onCancel: (void (^)(UIActionSheet *))cancelBlock
		+ onClickedButton: (void (^)(UIActionSheet *, NSUInteger))clickBlock;
		+
		+/**
		+Present a UIActionSheet on a specific view
		+
		+@param view The view on which the UIActionSheet will be displayed
		+@param title The title of the UIActionSheet
		+@param cancelString The string shown on the Cancel button
		+@param destructiveString The string shown on the Destructive button
		+@param otherStrings An array containing strings of other buttons
		+@param onCancel Cancel block - Called when the user pressed the cancel button, or the UIActionSheet has been manually dismissed
		+@param onDestructive Destructive block - Called when the user presses the destructive button
		+@param onClickedButton Clicked button at index block - Called when the user presses any button other then Cancel/Destructive
		+
		+@return The generated UIActionSheet
		+*/
		++(UIActionSheet )presentOnView: (UIView )view
		+ withTitle: (NSString *)title
		+ cancelButton: (NSString *)cancelString
		+ destructiveButton: (NSString *)destructiveString
		+ otherButtons: (NSArray *)otherStrings
		+ onCancel: (void (^)(UIActionSheet *))cancelBlock
		+ onDestructive: (void (^)(UIActionSheet *))destroyBlock
		+ onClickedButton: (void (^)(UIActionSheet *, NSUInteger))clickBlock;
		+@end

73  UIActionSheet+Blocks.m

		@@ -0,0 +1,73 @@
		+//
		+// UIActionSheet+Blocks.m
		+//
		+// Created by Shai Mishali on 9/26/13.
		+// Copyright (c) 2013 Shai Mishali. All rights reserved.
		+//
		+
		+#import "UIActionSheet+Blocks.h"
		+
		+static void (^__clickedBlock)(UIActionSheet *sheet, NSUInteger index);
		+static void (^__cancelBlock)(UIActionSheet *sheet);
		+static void (^__destroyBlock)(UIActionSheet *sheet);
		+
		+@implementation UIActionSheet (Blocks)
		+
		++(UIActionSheet )presentOnView:(UIView )view
		+ withTitle:(NSString *)title
		+ otherButtons:(NSArray *)otherStrings
		+ onCancel:(void (^)(UIActionSheet *))cancelBlock
		+ onClickedButton:(void (^)(UIActionSheet *, NSUInteger))clickBlock{
		+
		+return [self presentOnView:view
		+withTitle:title
		+ cancelButton:NSLocalizedString(@"Cancel", @"")
		+destructiveButton:nil
		+ otherButtons:otherStrings
		+ onCancel:cancelBlock
		+onDestructive:nil
		+ onClickedButton:clickBlock];
		+}
		+
		++(UIActionSheet )presentOnView: (UIView )view
		+ withTitle: (NSString *)title
		+ cancelButton: (NSString *)cancelString
		+ destructiveButton: (NSString *)destructiveString
		+ otherButtons: (NSArray *)otherStrings
		+ onCancel: (void (^)(UIActionSheet *))cancelBlock
		+ onDestructive: (void (^)(UIActionSheet *))destroyBlock
		+ onClickedButton: (void (^)(UIActionSheet *, NSUInteger))clickBlock{
		+__cancelBlock = cancelBlock;
		+__clickedBlock = clickBlock;
		+__destroyBlock = destroyBlock;
		+
		+UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:title
		+ delegate:(id) [self class]
		+ cancelButtonTitle:cancelString
		+ destructiveButtonTitle:destructiveString
		+ otherButtonTitles:nil];
		+
		+for(NSString *other in otherStrings)
		+ [sheet addButtonWithTitle: other];
		+
		+[sheet showInView: view];
		+
		+return sheet;
		+}
		+
		+#pragma mark - Private Static delegate
		++(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
		+if([actionSheet destructiveButtonIndex] == buttonIndex && __destroyBlock)
		+ __destroyBlock(actionSheet);
		+else if([actionSheet cancelButtonIndex] == buttonIndex && __cancelBlock)
		+ __cancelBlock(actionSheet);
		+else if(__clickedBlock)
		+ __clickedBlock(actionSheet, buttonIndex);
		+}
		+
		++(void)actionSheetCancel:(UIActionSheet *)actionSheet{
		+if(__cancelBlock)
		+ __cancelBlock(actionSheet);
		+}
		+
		+@end

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