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// // FLEXObjectExplorerFactory.m // Flipboard // // Created by Ryan Olson on 5/15/14. // Copyright (c) 2014 Flipboard. All rights reserved. //
#import "FLEXObjectExplorerFactory.h" #import "FLEXObjectExplorerViewController.h" #import "FLEXArrayExplorerViewController.h" #import "FLEXSetExplorerViewController.h" #import "FLEXDictionaryExplorerViewController.h" #import "FLEXDefaultsExplorerViewController.h" #import "FLEXViewControllerExplorerViewController.h" #import "FLEXViewExplorerViewController.h" #import "FLEXImageExplorerViewController.h" #import "FLEXClassExplorerViewController.h" #import "FLEXLayerExplorerViewController.h" #import "FLEXColorExplorerViewController.h" #import <objc/runtime.h>
@implementation FLEXObjectExplorerFactory
+ (FLEXObjectExplorerViewController *)explorerViewControllerForObject:(id)object { // Bail for nil object. We can't explore nil. if (!object) { return nil; } static NSDictionary<NSString *, Class> *explorerSubclassesForObjectTypeStrings = nil; static dispatch_once_t once; dispatch_once(&once, ^{ explorerSubclassesForObjectTypeStrings = @{NSStringFromClass([NSArray class]) : [FLEXArrayExplorerViewController class], NSStringFromClass([NSSet class]) : [FLEXSetExplorerViewController class], NSStringFromClass([NSDictionary class]) : [FLEXDictionaryExplorerViewController class], NSStringFromClass([NSUserDefaults class]) : [FLEXDefaultsExplorerViewController class], NSStringFromClass([UIViewController class]) : [FLEXViewControllerExplorerViewController class], NSStringFromClass([UIView class]) : [FLEXViewExplorerViewController class], NSStringFromClass([UIImage class]) : [FLEXImageExplorerViewController class], NSStringFromClass([CALayer class]) : [FLEXLayerExplorerViewController class], NSStringFromClass([UIColor class]) : [FLEXColorExplorerViewController class] }; }); Class explorerClass = nil; BOOL objectIsClass = class_isMetaClass(object_getClass(object)); if (objectIsClass) { explorerClass = [FLEXClassExplorerViewController class]; } else { explorerClass = [FLEXObjectExplorerViewController class]; for (NSString *objectTypeString in explorerSubclassesForObjectTypeStrings) { Class objectClass = NSClassFromString(objectTypeString); if ([object isKindOfClass:objectClass]) { explorerClass = explorerSubclassesForObjectTypeStrings[objectTypeString]; break; } } } FLEXObjectExplorerViewController *explorerViewController = [[explorerClass alloc] init]; explorerViewController.object = object; return explorerViewController; }
@end
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