added files via upload

Tweaks/FLEX/Editing/FLEXFieldEditorView.m

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+//
+//  FLEXFieldEditorView.m
+//  Flipboard
+//
+//  Created by Ryan Olson on 5/16/14.
+//  Copyright (c) 2020 FLEX Team. All rights reserved.
+//
+
+#import "FLEXFieldEditorView.h"
+#import "FLEXArgumentInputView.h"
+#import "FLEXUtility.h"
+#import "FLEXColor.h"
+
+@interface FLEXFieldEditorView ()
+
+@property (nonatomic) UILabel *targetDescriptionLabel;
+@property (nonatomic) UIView *targetDescriptionDivider;
+@property (nonatomic) UILabel *fieldDescriptionLabel;
+@property (nonatomic) UIView *fieldDescriptionDivider;
+
+@end
+
+@implementation FLEXFieldEditorView
+
+- (id)initWithFrame:(CGRect)frame {
+    self = [super initWithFrame:frame];
+    if (self) {
+        self.targetDescriptionLabel = [UILabel new];
+        self.targetDescriptionLabel.numberOfLines = 0;
+        self.targetDescriptionLabel.font = [[self class] labelFont];
+        [self addSubview:self.targetDescriptionLabel];
+        
+        self.targetDescriptionDivider = [[self class] dividerView];
+        [self addSubview:self.targetDescriptionDivider];
+        
+        self.fieldDescriptionLabel = [UILabel new];
+        self.fieldDescriptionLabel.numberOfLines = 0;
+        self.fieldDescriptionLabel.font = [[self class] labelFont];
+        [self addSubview:self.fieldDescriptionLabel];
+        
+        self.fieldDescriptionDivider = [[self class] dividerView];
+        [self addSubview:self.fieldDescriptionDivider];
+    }
+    return self;
+}
+
+- (void)layoutSubviews {
+    [super layoutSubviews];
+    
+    CGFloat horizontalPadding = [[self class] horizontalPadding];
+    CGFloat verticalPadding = [[self class] verticalPadding];
+    CGFloat dividerLineHeight = [[self class] dividerLineHeight];
+    
+    CGFloat originY = verticalPadding;
+    CGFloat originX = horizontalPadding;
+    CGFloat contentWidth = self.bounds.size.width - 2.0 * horizontalPadding;
+    CGSize constrainSize = CGSizeMake(contentWidth, CGFLOAT_MAX);
+    
+    CGSize instanceDescriptionSize = [self.targetDescriptionLabel sizeThatFits:constrainSize];
+    self.targetDescriptionLabel.frame = CGRectMake(originX, originY, instanceDescriptionSize.width, instanceDescriptionSize.height);
+    originY = CGRectGetMaxY(self.targetDescriptionLabel.frame) + verticalPadding;
+    
+    self.targetDescriptionDivider.frame = CGRectMake(originX, originY, contentWidth, dividerLineHeight);
+    originY = CGRectGetMaxY(self.targetDescriptionDivider.frame) + verticalPadding;
+    
+    CGSize fieldDescriptionSize = [self.fieldDescriptionLabel sizeThatFits:constrainSize];
+    self.fieldDescriptionLabel.frame = CGRectMake(originX, originY, fieldDescriptionSize.width, fieldDescriptionSize.height);
+    originY = CGRectGetMaxY(self.fieldDescriptionLabel.frame) + verticalPadding;
+    
+    self.fieldDescriptionDivider.frame = CGRectMake(originX, originY, contentWidth, dividerLineHeight);
+    originY = CGRectGetMaxY(self.fieldDescriptionDivider.frame) + verticalPadding;
+
+    for (UIView *argumentInputView in self.argumentInputViews) {
+        CGSize inputViewSize = [argumentInputView sizeThatFits:constrainSize];
+        argumentInputView.frame = CGRectMake(originX, originY, inputViewSize.width, inputViewSize.height);
+        originY = CGRectGetMaxY(argumentInputView.frame) + verticalPadding;
+    }
+}
+
+- (void)setBackgroundColor:(UIColor *)backgroundColor {
+    [super setBackgroundColor:backgroundColor];
+    self.targetDescriptionLabel.backgroundColor = backgroundColor;
+    self.fieldDescriptionLabel.backgroundColor = backgroundColor;
+}
+
+- (void)setTargetDescription:(NSString *)targetDescription {
+    if (![_targetDescription isEqual:targetDescription]) {
+        _targetDescription = targetDescription;
+        self.targetDescriptionLabel.text = targetDescription;
+        [self setNeedsLayout];
+    }
+}
+
+- (void)setFieldDescription:(NSString *)fieldDescription {
+    if (![_fieldDescription isEqual:fieldDescription]) {
+        _fieldDescription = fieldDescription;
+        self.fieldDescriptionLabel.text = fieldDescription;
+        [self setNeedsLayout];
+    }
+}
+
+- (void)setArgumentInputViews:(NSArray<FLEXArgumentInputView *> *)argumentInputViews {
+    if (![_argumentInputViews isEqual:argumentInputViews]) {
+        
+        for (FLEXArgumentInputView *inputView in _argumentInputViews) {
+            [inputView removeFromSuperview];
+        }
+        
+        _argumentInputViews = argumentInputViews;
+        
+        for (FLEXArgumentInputView *newInputView in argumentInputViews) {
+            [self addSubview:newInputView];
+        }
+        
+        [self setNeedsLayout];
+    }
+}
+
++ (UIView *)dividerView {
+    UIView *dividerView = [UIView new];
+    dividerView.backgroundColor = [self dividerColor];
+    return dividerView;
+}
+
++ (UIColor *)dividerColor {
+    return FLEXColor.tertiaryBackgroundColor;
+}
+
++ (CGFloat)horizontalPadding {
+    return 10.0;
+}
+
++ (CGFloat)verticalPadding {
+    return 20.0;
+}
+
++ (UIFont *)labelFont {
+    return [UIFont systemFontOfSize:14.0];
+}
+
++ (CGFloat)dividerLineHeight {
+    return 1.0;
+}
+
+- (CGSize)sizeThatFits:(CGSize)size {
+    CGFloat horizontalPadding = [[self class] horizontalPadding];
+    CGFloat verticalPadding = [[self class] verticalPadding];
+    CGFloat dividerLineHeight = [[self class] dividerLineHeight];
+    
+    CGFloat height = 0;
+    CGFloat availableWidth = size.width - 2.0 * horizontalPadding;
+    CGSize constrainSize = CGSizeMake(availableWidth, CGFLOAT_MAX);
+    
+    height += verticalPadding;
+    height += ceil([self.targetDescriptionLabel sizeThatFits:constrainSize].height);
+    height += verticalPadding;
+    height += dividerLineHeight;
+    height += verticalPadding;
+    height += ceil([self.fieldDescriptionLabel sizeThatFits:constrainSize].height);
+    height += verticalPadding;
+    height += dividerLineHeight;
+    height += verticalPadding;
+    
+    for (FLEXArgumentInputView *inputView in self.argumentInputViews) {
+        height += [inputView sizeThatFits:constrainSize].height;
+        height += verticalPadding;
+    }
+    
+    return CGSizeMake(size.width, height);
+}
+
+@end