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Balackburn
2023-06-27 09:54:41 +02:00
commit 2ff6aac218
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Tweaks/FLEX/Editing/ArgumentInputViews/FLEXArgumentInputStructView.m Normal file
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//
// FLEXArgumentInputStructView.m
// Flipboard
//
// Created by Ryan Olson on 6/16/14.
// Copyright (c) 2020 FLEX Team. All rights reserved.
//
#import "FLEXArgumentInputStructView.h"
#import "FLEXArgumentInputViewFactory.h"
#import "FLEXRuntimeUtility.h"
#import "FLEXTypeEncodingParser.h"
@interface FLEXArgumentInputStructView ()
@property (nonatomic) NSArray<FLEXArgumentInputView *> *argumentInputViews;
@end
@implementation FLEXArgumentInputStructView
- (instancetype)initWithArgumentTypeEncoding:(const char *)typeEncoding {
self = [super initWithArgumentTypeEncoding:typeEncoding];
if (self) {
NSMutableArray<FLEXArgumentInputView *> *inputViews = [NSMutableArray new];
NSArray<NSString *> *customTitles = [[self class] customFieldTitlesForTypeEncoding:typeEncoding];
[FLEXRuntimeUtility enumerateTypesInStructEncoding:typeEncoding usingBlock:^(NSString *structName,
const char *fieldTypeEncoding,
NSString *prettyTypeEncoding,
NSUInteger fieldIndex,
NSUInteger fieldOffset) {
FLEXArgumentInputView *inputView = [FLEXArgumentInputViewFactory argumentInputViewForTypeEncoding:fieldTypeEncoding];
inputView.targetSize = FLEXArgumentInputViewSizeSmall;
if (fieldIndex < customTitles.count) {
inputView.title = customTitles[fieldIndex];
} else {
inputView.title = [NSString stringWithFormat:@"%@ field %lu (%@)",
structName, (unsigned long)fieldIndex, prettyTypeEncoding
];
}
[inputViews addObject:inputView];
[self addSubview:inputView];
}];
self.argumentInputViews = inputViews;
}
return self;
}
#pragma mark - Superclass Overrides
- (void)setBackgroundColor:(UIColor *)backgroundColor {
[super setBackgroundColor:backgroundColor];
for (FLEXArgumentInputView *inputView in self.argumentInputViews) {
inputView.backgroundColor = backgroundColor;
}
}
- (void)setInputValue:(id)inputValue {
if ([inputValue isKindOfClass:[NSValue class]]) {
const char *structTypeEncoding = [inputValue objCType];
if (strcmp(self.typeEncoding.UTF8String, structTypeEncoding) == 0) {
NSUInteger valueSize = 0;
if (FLEXGetSizeAndAlignment(structTypeEncoding, &valueSize, NULL)) {
void *unboxedValue = malloc(valueSize);
[inputValue getValue:unboxedValue];
[FLEXRuntimeUtility enumerateTypesInStructEncoding:structTypeEncoding usingBlock:^(NSString *structName,
const char *fieldTypeEncoding,
NSString *prettyTypeEncoding,
NSUInteger fieldIndex,
NSUInteger fieldOffset) {
void *fieldPointer = unboxedValue + fieldOffset;
FLEXArgumentInputView *inputView = self.argumentInputViews[fieldIndex];
if (fieldTypeEncoding[0] == FLEXTypeEncodingObjcObject || fieldTypeEncoding[0] == FLEXTypeEncodingObjcClass) {
inputView.inputValue = (__bridge id)fieldPointer;
} else {
NSValue *boxedField = [FLEXRuntimeUtility valueForPrimitivePointer:fieldPointer objCType:fieldTypeEncoding];
inputView.inputValue = boxedField;
}
}];
free(unboxedValue);
}
}
}
}
- (id)inputValue {
NSValue *boxedStruct = nil;
const char *structTypeEncoding = self.typeEncoding.UTF8String;
NSUInteger structSize = 0;
if (FLEXGetSizeAndAlignment(structTypeEncoding, &structSize, NULL)) {
void *unboxedStruct = malloc(structSize);
[FLEXRuntimeUtility enumerateTypesInStructEncoding:structTypeEncoding usingBlock:^(NSString *structName,
const char *fieldTypeEncoding,
NSString *prettyTypeEncoding,
NSUInteger fieldIndex,
NSUInteger fieldOffset) {
void *fieldPointer = unboxedStruct + fieldOffset;
FLEXArgumentInputView *inputView = self.argumentInputViews[fieldIndex];
if (fieldTypeEncoding[0] == FLEXTypeEncodingObjcObject || fieldTypeEncoding[0] == FLEXTypeEncodingObjcClass) {
// Object fields
memcpy(fieldPointer, (__bridge void *)inputView.inputValue, sizeof(id));
} else {
// Boxed primitive/struct fields
id inputValue = inputView.inputValue;
if ([inputValue isKindOfClass:[NSValue class]] && strcmp([inputValue objCType], fieldTypeEncoding) == 0) {
[inputValue getValue:fieldPointer];
}
}
}];
boxedStruct = [NSValue value:unboxedStruct withObjCType:structTypeEncoding];
free(unboxedStruct);
}
return boxedStruct;
}
- (BOOL)inputViewIsFirstResponder {
BOOL isFirstResponder = NO;
for (FLEXArgumentInputView *inputView in self.argumentInputViews) {
if ([inputView inputViewIsFirstResponder]) {
isFirstResponder = YES;
break;
}
}
return isFirstResponder;
}
#pragma mark - Layout and Sizing
- (void)layoutSubviews {
[super layoutSubviews];
CGFloat runningOriginY = self.topInputFieldVerticalLayoutGuide;
for (FLEXArgumentInputView *inputView in self.argumentInputViews) {
CGSize inputFitSize = [inputView sizeThatFits:self.bounds.size];
inputView.frame = CGRectMake(0, runningOriginY, inputFitSize.width, inputFitSize.height);
runningOriginY = CGRectGetMaxY(inputView.frame) + [[self class] verticalPaddingBetweenFields];
}
}
+ (CGFloat)verticalPaddingBetweenFields {
return 10.0;
}
- (CGSize)sizeThatFits:(CGSize)size {
CGSize fitSize = [super sizeThatFits:size];
CGSize constrainSize = CGSizeMake(size.width, CGFLOAT_MAX);
CGFloat height = fitSize.height;
for (FLEXArgumentInputView *inputView in self.argumentInputViews) {
height += [inputView sizeThatFits:constrainSize].height;
height += [[self class] verticalPaddingBetweenFields];
}
return CGSizeMake(fitSize.width, height);
}
#pragma mark - Class Helpers
+ (BOOL)supportsObjCType:(const char *)type withCurrentValue:(id)value {
NSParameterAssert(type);
if (type[0] == FLEXTypeEncodingStructBegin) {
return FLEXGetSizeAndAlignment(type, nil, nil);
}
return NO;
}
+ (NSArray<NSString *> *)customFieldTitlesForTypeEncoding:(const char *)typeEncoding {
NSArray<NSString *> *customTitles = nil;
if (strcmp(typeEncoding, @encode(CGRect)) == 0) {
customTitles = @[@"CGPoint origin", @"CGSize size"];
} else if (strcmp(typeEncoding, @encode(CGPoint)) == 0) {
customTitles = @[@"CGFloat x", @"CGFloat y"];
} else if (strcmp(typeEncoding, @encode(CGSize)) == 0) {
customTitles = @[@"CGFloat width", @"CGFloat height"];
} else if (strcmp(typeEncoding, @encode(CGVector)) == 0) {
customTitles = @[@"CGFloat dx", @"CGFloat dy"];
} else if (strcmp(typeEncoding, @encode(UIEdgeInsets)) == 0) {
customTitles = @[@"CGFloat top", @"CGFloat left", @"CGFloat bottom", @"CGFloat right"];
} else if (strcmp(typeEncoding, @encode(UIOffset)) == 0) {
customTitles = @[@"CGFloat horizontal", @"CGFloat vertical"];
} else if (strcmp(typeEncoding, @encode(NSRange)) == 0) {
customTitles = @[@"NSUInteger location", @"NSUInteger length"];
} else if (strcmp(typeEncoding, @encode(CATransform3D)) == 0) {
customTitles = @[@"CGFloat m11", @"CGFloat m12", @"CGFloat m13", @"CGFloat m14",
@"CGFloat m21", @"CGFloat m22", @"CGFloat m23", @"CGFloat m24",
@"CGFloat m31", @"CGFloat m32", @"CGFloat m33", @"CGFloat m34",
@"CGFloat m41", @"CGFloat m42", @"CGFloat m43", @"CGFloat m44"];
} else if (strcmp(typeEncoding, @encode(CGAffineTransform)) == 0) {
customTitles = @[@"CGFloat a", @"CGFloat b",
@"CGFloat c", @"CGFloat d",
@"CGFloat tx", @"CGFloat ty"];
} else {
if (@available(iOS 11.0, *)) {
if (strcmp(typeEncoding, @encode(NSDirectionalEdgeInsets)) == 0) {
customTitles = @[@"CGFloat top", @"CGFloat leading",
@"CGFloat bottom", @"CGFloat trailing"];
}
}
}
return customTitles;
}
@end