WPNavigationMediaPickerViewController.h

@import UIKit;
#import "WPMediaCollectionDataSource.h"
#import "WPMediaPickerOptions.h"

@class WPMediaPickerViewController;
@protocol WPMediaPickerViewControllerDelegate;

@interface WPNavigationMediaPickerViewController : UIViewController

/**
 Init a WPNavigationMediaPickerViewController with the selection options

 @param options an WPMediaPickerOption object
 @return an initiated WPNavigationMediaPickerViewController with the designated options
 */
- (nonnull instancetype)initWithOptions:(nonnull WPMediaPickerOptions *)options;

@property (nonatomic, weak, nullable) id<WPMediaPickerViewControllerDelegate> delegate;

/**
The internal WPMediaPickerViewController that is used to display the media.
*/
@property (nonatomic, readonly, nonnull)  WPMediaPickerViewController *mediaPicker;

/**
 The object that acts as the data source of the media picker.
 
 @Discussion
 If no object is defined before the picker is show then the picker will use a shared data source that access the user media library.
*/
@property (nonatomic, weak, nullable) id<WPMediaCollectionDataSource> dataSource;

/**
 Pushes a given ViewController into the internal UINavigationController. Useful for post-processing steps.
 */
- (void)showAfterViewController:(nonnull UIViewController *)viewController;

@property (nonatomic, strong, readonly) UICollectionViewFlowLayout * _Nonnull layout;

/**
 A localized string that reflect the action that will be done when the picker is selected.
 This string can contain a a placeholder for a numeric value that will indicate the number of media items selected.
 If this is nil the default value will be used. The default value is 'Select %@'
 */
@property (nonatomic, copy, nullable) NSString *selectionActionTitle;

/**
 A localized string that reflect the action that will be done when the user chooses to preview the selected assets.
 This string can contain a a placeholder for a numeric value that will indicate the number of media items selected.
 If this is nil the default value will be used. The default value is 'Preview %@'
 */
@property (nonatomic, copy, nullable) NSString *previewActionTitle;

/**
 A localized string with the title for the cancel button
 If this is nil the default value will be used. The default value is 'Cancel'
 */
@property (nonatomic, copy, nullable) NSString *cancelButtonTitle;

/**
 If this property is set to NO the picker will not show the interface to display groups. The default value is YES.
 */
@property (nonatomic, assign) BOOL showGroupSelector;

/**
 If this property is set the navigation start on the group selector otherwise it start directly on the default active group of the data source. The default value is YES.
 */
@property (nonatomic, assign) BOOL startOnGroupSelector;

@end