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85 lines
2.2 KiB
Objective-C
85 lines
2.2 KiB
Objective-C
//
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// DTSmartPagingScrollView.h
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// DTSmartPhotoView
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//
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// Created by Stefan Gugarel on 5/11/12.
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// Copyright (c) 2012 Cocoanetics. All rights reserved.
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//
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#import "DTWeakSupport.h"
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@class DTSmartPagingScrollView;
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/**
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Protocol for providing pages to <DTSmartPagingScrollView>
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*/
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@protocol DTSmartPagingScrollViewDatasource <NSObject>
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/**
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The number of pages for the <DTSmartPagingScrollView>
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@param smartPagingScrollView The scroll view asking
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@returns The number of pages
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*/
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- (NSUInteger)numberOfPagesInSmartPagingScrollView:(DTSmartPagingScrollView *)smartPagingScrollView;
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/**
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Method to provide UIViews to be used for the pages
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The frame of the passed view will be adjusted to the page size of the scroll view
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@param smartPagingScrollView The scroll view asking
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@param index The index of the page to provide
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@returns The view to use for the given page index.
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*/
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- (UIView *)smartPagingScrollView:(DTSmartPagingScrollView *)smartPagingScrollView viewForPageAtIndex:(NSUInteger)index;
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@optional
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/**
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The number of pages for the <DTSmartPagingScrollView>
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@param smartPagingScrollView The scroll view asking
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@param index The index of the page
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*/
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- (void)smartPagingScrollView:(DTSmartPagingScrollView *)smartPagingScrollView didScrollToPageAtIndex:(NSUInteger)index;
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@end
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/**
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A scroll view that automatically manages a set of pages
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*/
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@interface DTSmartPagingScrollView : UIScrollView <UIScrollViewDelegate>
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/**
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The page data source for the receiver
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*/
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@property (nonatomic, DT_WEAK_PROPERTY) id <DTSmartPagingScrollViewDatasource> pageDatasource;
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/**
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The current page index visible on the receiver
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*/
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@property (nonatomic, assign) NSUInteger currentPageIndex;
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/**
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Reloads the pages from the datasource
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*/
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- (void)reloadData;
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/**
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The range of indexes of the currently visible pages
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*/
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- (NSRange)rangeOfVisiblePages;
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/**
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Scroll the receiver to the given page index
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@param page The index of the page to move to
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@param animated Whether the move should be animated
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*/
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- (void)scrollToPage:(NSInteger)page animated:(BOOL)animated;
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/**
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Get a view for a specified index
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@param index The index of the view to retrieve
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*/
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- (UIView *)viewForIndex:(NSUInteger)index;
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@end
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