Convenient initialization of view and tag value, initialization of viewtag

Convenient initialization of view and tag value, initialization of viewtag

Convenient initialization view and tag setting

 

Effect

 

Source code

SetRect in https://github.com/YouXianMing/iOS-Project-Examples

/// AccessViewTagProtocol. h // Animations // Created by YouXianMing on 16/6/17. // Copyright©2016 YouXianMing. all rights reserved. // # import <Foundation/Foundation. h> # import <UIKit/UIKit. h> typedef void (^ ViewSetupBlock) (UIView * view); @ protocol AccessViewTagProtocol <NSObject> @ required/*** Set the view whose tag matches the specified value. ** @ param view View. * @ param tag. */-(void) setView :( UIView *) view withTag :( NSInteger) tag;/*** Remove the tag. ** @ param tag View's tag. */-(void) removeReferenceWithTag :( NSInteger) tag;/*** Get the view from the tag. ** @ param tag. ** @ return view's object. */-(id) viewWithTag :( NSInteger) tag; @ end

/// UIView + FrameAndTag. h // SetRect // Created by YouXianMing on 16/6/19. // Copyright©2016 YouXianMing. all rights reserved. // # import <UIKit/UIKit. h> # import "AccessViewTagProtocol. h "@ interface UIView (FrameAndTag) <AccessViewTagProtocol> # pragma mark-Set tags. /*** Support AccessViewTagProtocol. */-(void) supportAccessViewTagProtocol;/*** Get the view with specified tag from CustomViewController type's controller. ** @ param tag View's tag. * @ param object AccessViewTagProtocol's object. ** @ return The view. */+ (instancetype) viewWithTag :( NSInteger) tag from :( id <AccessViewTagProtocol>) object;/*** Set the view's tag. ** @ param tag View's tag. * @ param object AccessViewTagProtocol's object. */-(void) setTag :( NSInteger) tag attachedTo :( id <AccessViewTagProtocol>) object; # pragma mark-Init frames. /*** set the size and tag value */+ (instancetype) viewWithFrame :( CGRect) frame insertIntoView :( UIView *) view tag :( NSInteger) tag attachedTo :( id <AccessViewTagProtocol>) object setupBlock :( ViewSetupBlock) block;/*** set size */+ (instancetype) viewWithFrame :( CGRect) frame insertIntoView :( UIView *) view setupBlock :( ViewSetupBlock) block; # pragma mark-Init line view. /*** horizontal line */+ (instancetype) lineViewInsertIntoView :( UIView *) view positionY :( CGFloat) positionY thick :( CGFloat) thick leftGap :( CGFloat) leftGap rightGap :( CGFloat) rightGap color :( UIColor *) color;/*** vertical line */+ (instancetype) lineViewInsertIntoView :( UIView *) view positionX :( CGFloat) positionX thick :( CGFloat) thick topGap :( CGFloat) topGap bottomGap :( CGFloat) bottomGap color :( UIColor *) color; @ endNS_INLINE id viewFrom (id <AccessViewTagProtocol> object, NSInteger tag) {return [UIView viewWithTag: tag from: object];}

/// UIView + FrameAndTag. m // SetRect // Created by YouXianMing on 16/6/19. // Copyright©2016 YouXianMing. all rights reserved. // # import <objc/runtime. h> # import "UIView + FrameAndTag. h "@ interface UIView () @ property (nonatomic, strong) NSNumber * tagNumberValue; @ property (nonatomic, strong) NSMapTable <NSString *, UIView *> * viewsWeakMap; @ end @ implementation UIView (FrameAndTag)-(void) supportAccessViewTagProtocol {self. viewsWeakMap = [NSMapTable strongToWeakObjectsMapTable];} + (instancet Ype) viewWithTag :( NSInteger) tag from :( id <AccessViewTagProtocol>) object {return [object viewWithTag: tag];}-(void) setTag :( NSInteger) tag attachedTo :( id <AccessViewTagProtocol>) object {self. tagNumberValue? [Object removeReferenceWithTag: self. tagNumberValue. integerValue]: 0; self. tag = tag; self. tagNumberValue = @ (tag); [object setView: self withTag: tag];} + (instancetype) viewWithFrame :( CGRect) frame insertIntoView :( UIView *) view tag :( NSInteger) tag attachedTo :( id <AccessViewTagProtocol>) object setupBlock :( ViewSetupBlock) block {UIView * tmpView = [[[self class] alloc] initWithFrame: frame]; [tmpView supp OrtAccessViewTagProtocol]; view & [view isKindOfClass: [UIView class]? ([View addSubview: tmpView]): 0; object & [object respondsToSelector: @ selector (setView: withTag :)]? ([TmpView setTag: tag attachedTo: object]): 0; if (block) {block (tmpView) ;}return tmpView ;}+ (instancetype) viewWithFrame :( CGRect) frame insertIntoView :( UIView *) view setupBlock :( ViewSetupBlock) block {UIView * tmpView = [[[self class] alloc] initWithFrame: frame]; [tmpView supportAccessViewTagProtocol]; view & [view isKindOfClass: [UIView class]? ([View addSubview: tmpView]): 0; if (block) {block (tmpView);} return tmpView;} + (instancetype) lineViewInsertIntoView :( UIView *) view positionY :( CGFloat) positionY thick :( CGFloat) thick leftGap :( CGFloat) leftGap rightGap :( CGFloat) rightGap color :( UIColor *) color {UIView * tmpView = [[self class] alloc] initWithFrame: CGRectMake (leftGap, positionY, view. frame. size. width-leftGap-rightGap, thick)]; c Olor? TmpView. backgroundColor = color: 0; [view addSubview: tmpView]; return tmpView;} + (instancetype) lineViewInsertIntoView :( UIView *) view positionX :( CGFloat) positionX thick :( CGFloat) thick topGap :( CGFloat) topGap bottomGap :( CGFloat) bottomGap color :( UIColor *) color {UIView * tmpView = [[self class] alloc] usage: CGRectMake (positionX, topGap, thick, view. frame. size. height-topGap-bottomGap)]; c Olor? TmpView. backgroundColor = color: 0; [view addSubview: tmpView]; return tmpView;} # pragma mark-Runtime property. -(void) setTagNumberValue :( NSNumber *) tagNumberValue {random (self, @ selector (tagNumberValue), tagNumberValue, numeric);}-(NSNumber *) tagNumberValue {return objc_getAssociatedObject (self, _ cmd);}-(void) setViewsWeakMap :( NSMapTable <NSString *, UIView *> *) viewsWeakMap {partition (self, @ selector (viewsWeakMap), viewsWeakMap, callback );} -(NSMapTable <NSString *, UIView *> *) viewsWeakMap {return objc_getAssociatedObject (self, _ cmd);} # pragma mark-AccessViewTagProtocol. -(void) setView :( UIView *) view withTag :( NSInteger) tag {[self. viewsWeakMap setObject: view forKey: @ (tag ). stringValue];}-(id) viewWithTag :( NSInteger) tag {return [self. viewsWeakMap objectForKey: @ (tag ). stringValue];}-(void) removeReferenceWithTag :( NSInteger) tag {[self. viewsWeakMap removeObjectForKey: @ (tag ). stringValue] ;}@ end

 

Details

Protocol to be implemented (use strongToWeakObjectsMapTable of NSMapTable to store string-view)

It is more convenient to get a tag. It does not depend on which view to get the view, but directly obtains the view from NSMapTable.