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Tweaks/FLEX/ObjectExplorers/Sections/FLEXMutableListSection.m

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+//
+//  FLEXMutableListSection.m
+//  FLEX
+//
+//  Created by Tanner on 3/9/20.
+//  Copyright © 2020 FLEX Team. All rights reserved.
+//
+
+#import "FLEXMutableListSection.h"
+#import "FLEXMacros.h"
+
+@interface FLEXMutableListSection ()
+@property (nonatomic, readonly) FLEXMutableListCellForElement configureCell;
+@end
+
+@implementation FLEXMutableListSection
+@synthesize cellRegistrationMapping = _cellRegistrationMapping;
+
+#pragma mark - Initialization
+
++ (instancetype)list:(NSArray *)list
+   cellConfiguration:(FLEXMutableListCellForElement)cellConfig
+       filterMatcher:(BOOL(^)(NSString *, id))filterBlock {
+    return [[self alloc] initWithList:list configurationBlock:cellConfig filterMatcher:filterBlock];
+}
+
+- (id)initWithList:(NSArray *)list
+configurationBlock:(FLEXMutableListCellForElement)cellConfig
+     filterMatcher:(BOOL(^)(NSString *, id))filterBlock {
+    self = [super init];
+    if (self) {
+        _configureCell = cellConfig;
+
+        self.list = list.mutableCopy;
+        self.customFilter = filterBlock;
+        self.hideSectionTitle = YES;
+    }
+
+    return self;
+}
+
+
+#pragma mark - Public
+
+- (NSArray *)list {
+    return (id)_collection;
+}
+
+- (void)setList:(NSMutableArray *)list {
+    NSParameterAssert(list);
+    _collection = (id)list;
+
+    [self reloadData];
+}
+
+- (NSArray *)filteredList {
+    return (id)_cachedCollection;
+}
+
+- (void)mutate:(void (^)(NSMutableArray *))block {
+    block((NSMutableArray *)_collection);
+    [self reloadData];
+}
+
+
+#pragma mark - Overrides
+
+- (void)setCustomTitle:(NSString *)customTitle {
+    super.customTitle = customTitle;
+    self.hideSectionTitle = customTitle == nil;
+}
+
+- (BOOL)canSelectRow:(NSInteger)row {
+    return self.selectionHandler != nil;
+}
+
+- (UIViewController *)viewControllerToPushForRow:(NSInteger)row {
+    return nil;
+}
+
+- (void (^)(__kindof UIViewController *))didSelectRowAction:(NSInteger)row {
+    if (self.selectionHandler) { weakify(self)
+        return ^(UIViewController *host) { strongify(self)
+            if (self) {
+                self.selectionHandler(host, self.filteredList[row]);
+            }
+        };
+    }
+
+    return nil;
+}
+
+- (void)configureCell:(__kindof UITableViewCell *)cell forRow:(NSInteger)row {
+    self.configureCell(cell, self.filteredList[row], row);
+}
+
+- (NSString *)reuseIdentifierForRow:(NSInteger)row {
+    if (self.cellRegistrationMapping.count) {
+        return self.cellRegistrationMapping.allKeys.firstObject;
+    }
+
+    return [super reuseIdentifierForRow:row];
+}
+
+- (void)setCellRegistrationMapping:(NSDictionary<NSString *,Class> *)cellRegistrationMapping {
+    NSParameterAssert(cellRegistrationMapping.count <= 1);
+    _cellRegistrationMapping = cellRegistrationMapping;
+}
+
+@end