Add dynamic options support

Author: davdroman

Bohr.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name                  = "Bohr"
-  s.version               = "3.0.0-rc.1"
+  s.version               = "3.0.0-rc.2"
   s.summary               = "Settings screen composing framework"
   s.homepage              = "https://github.com/DavdRoman/Bohr"
   s.author                = { "David Román" => "[email protected]" }

Bohr.xcodeproj/project.pbxproj

@@ -325,7 +325,7 @@
 		75C7ADC91B1AB2F80050C8AA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0640;
+				LastUpgradeCheck = 0700;
 				TargetAttributes = {
 					75C7ADD21B1AB3010050C8AA = {
 						CreatedOnToolsVersion = 6.3.2;
@@ -435,6 +435,7 @@
 		75C7ADCD1B1AB2F80050C8AA /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ENABLE_TESTABILITY = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				ONLY_ACTIVE_ARCH = YES;
 			};
@@ -490,6 +491,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
+				PRODUCT_BUNDLE_IDENTIFIER = "me.davidroman.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
 				SDKROOT = iphoneos;
@@ -533,6 +535,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MTL_ENABLE_DEBUG_INFO = NO;
+				PRODUCT_BUNDLE_IDENTIFIER = "me.davidroman.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
 				SDKROOT = iphoneos;
@@ -589,6 +592,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
+				PRODUCT_BUNDLE_IDENTIFIER = "me.davidroman.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
 				SDKROOT = iphoneos;
@@ -640,6 +644,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				MTL_ENABLE_DEBUG_INFO = NO;
+				PRODUCT_BUNDLE_IDENTIFIER = "me.davidroman.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
 				SDKROOT = iphoneos;

Bohr.xcodeproj/xcshareddata/xcschemes/Bohr.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0640"
+   LastUpgradeVersion = "0700"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -23,21 +23,24 @@
       </BuildActionEntries>
    </BuildAction>
    <TestAction
+      buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      buildConfiguration = "Debug">
+      shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </TestAction>
    <LaunchAction
+      buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
-      buildConfiguration = "Debug"
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
       <MacroExpansion>
          <BuildableReference
@@ -52,10 +55,10 @@
       </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
+      buildConfiguration = "Release"
       shouldUseLaunchSchemeArgsEnv = "YES"
       savedToolIdentifier = ""
       useCustomWorkingDirectory = "NO"
-      buildConfiguration = "Release"
       debugDocumentVersioning = "YES">
       <MacroExpansion>
          <BuildableReference

Bohr/BOTableViewCell.h

@@ -32,6 +32,12 @@
 /// An optional destination view controller to push when the cell is pressed.
 @property (nonatomic) UIViewController *destinationViewController;
 
+/// An optional key in order to determine whether the cell should be visible or not depending on its value.
+@property (nonatomic) NSString *visibilityKey;
+
+/// A block determining whether the cell should be visible or not.
+@property (nonatomic, copy) BOOL (^visibilityBlock)(id settingValue);
+
 /** Initializes a new BOTableViewCell object.
  *
  *	@param title The cell title.

Bohr/BOTableViewController.m

@@ -15,6 +15,7 @@
 
 @interface BOTableViewController ()
 
+@property (nonatomic, copy) NSArray *lastSections;
 @property (nonatomic) NSArray *sections;
 @property (nonatomic) NSArray *footerViews;
 
@@ -150,6 +151,32 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
 }
 
 - (void)reloadTableView {
+	
+#pragma mark Dynamic options
+	
+	NSMutableIndexSet *affectedIndexes = [NSMutableIndexSet new];
+	
+	for (NSInteger s = 0; s < self.tableView.numberOfSections; s++) {
+		NSInteger numberOfRows = [self.tableView numberOfRowsInSection:s];
+		
+		if (numberOfRows != [self.sections[s] cells].count) {
+			[affectedIndexes addIndex:s];
+		} else {
+			for (NSInteger r = 0; r < numberOfRows; r++) {
+				UITableViewCell *lastCell = [self.tableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:r inSection:s]];
+				if (![[self.sections[s] cells] containsObject:lastCell]) {
+					[affectedIndexes addIndex:s];
+				}
+			}
+		}
+	}
+	
+	if (affectedIndexes.count > 0) {
+		[self.tableView beginUpdates];
+		[self.tableView reloadSections:affectedIndexes withRowAnimation:UITableViewRowAnimationFade];
+		[self.tableView endUpdates];
+	}
+	
 	[UIView performWithoutAnimation:^{
 		CGPoint previousContentOffset = self.tableView.contentOffset;
 		[self.tableView beginUpdates];

Bohr/BOTableViewSection.h

@@ -30,7 +30,7 @@
 /// The footer title color of the section.
 @property (nonatomic) UIFont *footerTitleFont MZ_APPEARANCE_SELECTOR;
 
-/// The cells for the section.
+/// The visible cells in the section.
 @property (nonatomic, readonly) NSArray *cells;
 
 /** Initializes a new BOTableViewSection object.

Bohr/BOTableViewSection.m

@@ -10,6 +10,7 @@
 
 @interface BOTableViewSection ()
 
+@property (nonatomic) NSArray *rawCells;
 @property (nonatomic) NSArray *cells;
 
 @end
@@ -22,9 +23,9 @@ + (instancetype)appearance {
 
 - (instancetype)init {
 	if (self = [super init]) {
-		self.cells = [NSArray new];
+		self.rawCells = [NSArray new];
 		// Workaround to UITableViewHeaderFooterView's default 0-sized font driving iOS 9 nuts (yeah, WTF Apple).
-		self.footerTitleFont = [UIFont fontWithName:@"Helvetica" size:13];
+		self.footerTitleFont = [UIFont systemFontOfSize:13];
 		// I mean, really, if you...
 		// NSLog(@"%@", [UITableViewHeaderFooterView new].textLabel.font);
 		// you get "font-size: 0.00pt".
@@ -50,7 +51,17 @@ + (instancetype)sectionWithHeaderTitle:(NSString *)headerTitle handler:(void (^)
 }
 
 - (void)addCell:(BOTableViewCell *)cell {
-	self.cells = [self.cells arrayByAddingObject:cell];
+	self.rawCells = [self.rawCells arrayByAddingObject:cell];
+}
+
+- (NSArray *)cells {
+	return [self.rawCells filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(BOTableViewCell *cell, NSDictionary<NSString *,id> *bindings) {
+		if (cell.visibilityKey.length > 0) {
+			return cell.visibilityBlock([[NSUserDefaults standardUserDefaults] objectForKey:cell.visibilityKey]);
+		}
+		
+		return YES;
+	}]];
 }
 
 @end

Bohr/Info.plist

@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
-	<string>me.davidroman.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>

BohrDemo/Info.plist

@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
-	<string>me.davidroman.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>

BohrDemo/TableViewController.m

@@ -18,7 +18,11 @@ - (void)setup {
 
 		[section addCell:[BOSwitchTableViewCell cellWithTitle:@"Switch 1" key:@"bool_1" handler:nil]];
 
-		[section addCell:[BOSwitchTableViewCell cellWithTitle:@"Switch 2" key:@"bool_2" handler:^(BOSwitchTableViewCell *cell) {
+		[section addCell:[BOSwitchTableViewCell cellWithTitle:@"Switch 2 (dependant on switch 1)" key:@"bool_2" handler:^(BOSwitchTableViewCell *cell) {
+			cell.visibilityKey = @"bool_1";
+			cell.visibilityBlock = ^BOOL(id settingValue) {
+				return [settingValue boolValue];
+			};
 			cell.onFooterTitle = @"Switch setting 2 is on";
 			cell.offFooterTitle = @"Switch setting 2 is off";
 		}]];