From 330933b60dc7c6ef842fc0cbe36c7e348b0ccae5 Mon Sep 17 00:00:00 2001
From: Chris Li <chrisshwli@gmail.com>
Date: Tue, 24 Jan 2017 11:33:03 -0500
Subject: [PATCH] Language filter

---
 .../Library/LibraryBooksController.swift      |  18 +-
 .../Library/LibraryLanguageController.swift   | 161 +++++++++++++++++-
 Kiwix-iOS/Storyboard/Library.storyboard       | 122 +++++++------
 Kiwix.xcodeproj/project.pbxproj               |  12 +-
 4 files changed, 247 insertions(+), 66 deletions(-)

diff --git a/Kiwix-iOS/Controller/Library/LibraryBooksController.swift b/Kiwix-iOS/Controller/Library/LibraryBooksController.swift
index e9d821f9..c79394ad 100644
--- a/Kiwix-iOS/Controller/Library/LibraryBooksController.swift
+++ b/Kiwix-iOS/Controller/Library/LibraryBooksController.swift
@@ -49,6 +49,16 @@ class LibraryBooksController: CoreDataCollectionBaseController, UICollectionView
         collectionView.collectionViewLayout.invalidateLayout()
     }
     
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
+        if segue.identifier == "showLangFilter" {
+            let nav = segue.destination as? UINavigationController
+            let controller = nav?.topViewController as? LibraryLanguageController
+            controller?.dismissBlock = {[unowned self] in
+                print("sdjk")
+            }
+        }
+    }
+    
     // MARK: - Refresh
     
     private(set) var isRefreshing = false // used to control text on empty table view
@@ -111,7 +121,6 @@ class LibraryBooksController: CoreDataCollectionBaseController, UICollectionView
         let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "Cell", for: indexPath) as! LibraryCollectionCell
         
         let book = fetchedResultController.object(at: indexPath)
-        print(book.meta4URL)
         cell.delegate = self
         cell.imageView.image = UIImage(data: book.favIcon ?? Data())
         cell.titleLabel.text = book.title
@@ -155,7 +164,6 @@ class LibraryBooksController: CoreDataCollectionBaseController, UICollectionView
         let titleDescriptor = NSSortDescriptor(key: "title", ascending: true)
         fetchRequest.sortDescriptors = [langDescriptor, titleDescriptor]
         fetchRequest.predicate = NSPredicate(format: "language.name != nil")
-////        fetchRequest.predicate = self.onlineCompoundPredicate
         
         let controller = NSFetchedResultsController(fetchRequest: fetchRequest,
                                                     managedObjectContext: self.managedObjectContext,
@@ -165,3 +173,9 @@ class LibraryBooksController: CoreDataCollectionBaseController, UICollectionView
         return controller as! NSFetchedResultsController<Book>
     }()
 }
+
+extension Localized {
+    class Library {
+        
+    }
+}
diff --git a/Kiwix-iOS/Controller/Library/LibraryLanguageController.swift b/Kiwix-iOS/Controller/Library/LibraryLanguageController.swift
index 109e2b2f..32f9d00f 100644
--- a/Kiwix-iOS/Controller/Library/LibraryLanguageController.swift
+++ b/Kiwix-iOS/Controller/Library/LibraryLanguageController.swift
@@ -2,22 +2,167 @@
 //  LibraryLanguageController.swift
 //  Kiwix
 //
-//  Created by Chris Li on 1/23/17.
+//  Created by Chris Li on 1/24/17.
 //  Copyright © 2017 Chris Li. All rights reserved.
 //
 
 import UIKit
+import CoreData
+import DZNEmptyDataSet
 
-class LibraryLanguageController: CoreDataTableBaseController {
+class LibraryLanguageController: UITableViewController, NSFetchedResultsControllerDelegate, DZNEmptyDataSetSource, DZNEmptyDataSetDelegate {
+
+    @IBOutlet weak var langNameSegmentedControl: UISegmentedControl!
+    @IBAction func segmentedControlChanged(_ sender: UISegmentedControl) {
+        Preference.LangFilter.displayInOriginalLocale = !Preference.LangFilter.displayInOriginalLocale
+        tableView.reloadRows(at: tableView.indexPathsForVisibleRows ?? [IndexPath](), with: .automatic)
+    }
+    @IBAction func doneButtonTapped(_ sender: UIBarButtonItem) {
+        dismiss(animated: true, completion: nil)
+    }
+    
+    private let managedObjectContext = AppDelegate.persistentContainer.viewContext
+    private var initialShowLanguageSet = Set<Language>()
+    private var showLanguages = [Language]()
+    private var hideLanguages = [Language]()
+    var dismissBlock: (() -> Void)?
 
     override func viewDidLoad() {
         super.viewDidLoad()
-
-        // Do any additional setup after loading the view.
+        
+        showLanguages = Language.fetch(displayed: true, context: managedObjectContext)
+        hideLanguages = Language.fetch(displayed: false, context: managedObjectContext)
+        initialShowLanguageSet = Set(showLanguages)
+        
+        configureSegmentedControls()
+        sort()
     }
-
-    @IBAction func dismissButtonTapped(_ sender: UIBarButtonItem) {
-        dismiss(animated: true, completion: nil)
+    
+    override func viewWillDisappear(_ animated: Bool) {
+        super.viewWillDisappear(animated)
+        dismissBlock?()
+    }
+    
+    func configureSegmentedControls() {
+        langNameSegmentedControl.selectedSegmentIndex = Preference.LangFilter.displayInOriginalLocale == true ? 1 : 0
+        langNameSegmentedControl.setTitle((Locale.current as NSLocale).displayName(forKey: NSLocale.Key.identifier, value: Locale.preferredLangCodes[0]), forSegmentAt: 0)
+        langNameSegmentedControl.setTitle(Localized.Library.LanguageFilter.original, forSegmentAt: 1)
+    }
+    
+    // MARK: - Sort
+    
+    func sort() {
+        showLanguages = sortByCountDesc(languages: showLanguages)
+        hideLanguages = sortByCountDesc(languages: hideLanguages)
+    }
+    
+    func sortByCountDesc(languages: [Language]) -> [Language] {
+        return languages.sorted { (language0, language1) -> Bool in
+            let count0 = language0.books.count
+            let count1 = language1.books.count
+            guard count0 != count1 else {
+                return alphabeticalAscCompare(language0: language0, language1: language1,
+                                              byOriginalLocale: Preference.LangFilter.displayInOriginalLocale)
+            }
+            return count0 > count1
+        }
+    }
+    
+    private func alphabeticalAscCompare(language0: Language, language1: Language, byOriginalLocale: Bool) -> Bool {
+        if byOriginalLocale {
+            guard let name0 = language0.nameInOriginalLocale,
+                let name1 = language1.nameInOriginalLocale else {return false}
+            return name0.compare(name1) == .orderedAscending
+        } else {
+            guard let name0 = language0.nameInCurrentLocale,
+                let name1 = language1.nameInCurrentLocale else {return false}
+            return name0.compare(name1) == .orderedAscending
+        }
+    }
+    
+    // MARK: - Table view data source
+    
+    override func numberOfSections(in tableView: UITableView) -> Int {
+        return 2
+    }
+    
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return section == 0 ? showLanguages.count : hideLanguages.count
+    }
+    
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
+        if indexPath.section == 0 {
+            configureCell(cell, atIndexPath: indexPath, language: showLanguages[indexPath.row])
+        } else {
+            configureCell(cell, atIndexPath: indexPath, language: hideLanguages[indexPath.row])
+        }
+        return cell
+    }
+    
+    func configureCell(_ cell: UITableViewCell, atIndexPath indexPath: IndexPath, language: Language) {
+        cell.textLabel?.text = Preference.LangFilter.displayInOriginalLocale ? language.nameInOriginalLocale : language.nameInCurrentLocale
+        cell.detailTextLabel?.text = language.books.count.description
+    }
+    
+    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+        if showLanguages.count == 0 {
+            return section == 0 ? "" : Localized.Library.LanguageFilter.all + "       "
+        } else {
+            return section == 0 ? Localized.Library.LanguageFilter.showing : Localized.Library.LanguageFilter.hiding
+        }
+    }
+    
+    // MARK: - Table view delegate
+    
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        func animateUpdates(_ originalIndexPath: IndexPath, destinationIndexPath: IndexPath) {
+            tableView.beginUpdates()
+            tableView.deleteRows(at: [indexPath], with: .right)
+            tableView.insertRows(at: [destinationIndexPath], with: .right)
+            tableView.headerView(forSection: 0)?.textLabel?.text = self.tableView(tableView, titleForHeaderInSection: 0)
+            tableView.headerView(forSection: 1)?.textLabel?.text = self.tableView(tableView, titleForHeaderInSection: 1)
+            tableView.endUpdates()
+        }
+        
+        if indexPath.section == 0 {
+            let language = showLanguages[indexPath.row]
+            language.isDisplayed = false
+            hideLanguages.append(language)
+            showLanguages.remove(at: indexPath.row)
+            hideLanguages = sortByCountDesc(languages: hideLanguages)
+            
+            guard let row = hideLanguages.index(of: language) else {tableView.reloadData(); return}
+            let destinationIndexPath = IndexPath(row: row, section: 1)
+            animateUpdates(indexPath, destinationIndexPath: destinationIndexPath)
+        } else {
+            let language = hideLanguages[indexPath.row]
+            language.isDisplayed = true
+            showLanguages.append(language)
+            hideLanguages.remove(at: indexPath.row)
+            showLanguages = sortByCountDesc(languages: showLanguages)
+            
+            guard let row = showLanguages.index(of: language) else {tableView.reloadData(); return}
+            let destinationIndexPath = IndexPath(row: row, section: 0)
+            animateUpdates(indexPath, destinationIndexPath: destinationIndexPath)
+        }
+    }
+    
+    override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
+        if section == 0 {
+            return showLanguages.count == 0 ? CGFloat.leastNormalMagnitude : 44
+        } else {
+            return 30
+        }
+    }
+}
+
+extension Localized.Library {
+    class LanguageFilter {
+        static let title = NSLocalizedString("Languages", comment: "Library, Language Filter")
+        static let all = NSLocalizedString("ALL", comment: "Library, Language Filter")
+        static let showing = NSLocalizedString("SHOWING", comment: "Library, Language Filter")
+        static let hiding = NSLocalizedString("HIDING", comment: "Library, Language Filter")
+        static let original = NSLocalizedString("Original", comment: "Library, Language Filter")
     }
-
 }
diff --git a/Kiwix-iOS/Storyboard/Library.storyboard b/Kiwix-iOS/Storyboard/Library.storyboard
index 445250c9..77c926e6 100644
--- a/Kiwix-iOS/Storyboard/Library.storyboard
+++ b/Kiwix-iOS/Storyboard/Library.storyboard
@@ -52,7 +52,7 @@
                                 </collectionViewFlowLayout>
                                 <cells>
                                     <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" reuseIdentifier="Cell" id="Aea-Om-Uku" customClass="LibraryCollectionCell" customModule="Kiwix" customModuleProvider="target">
-                                        <rect key="frame" x="28" y="0.0" width="320" height="66"/>
+                                        <rect key="frame" x="27.5" y="0.0" width="320" height="66"/>
                                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                         <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center">
                                             <rect key="frame" x="0.0" y="0.0" width="320" height="66"/>
@@ -175,7 +175,7 @@
                         </barButtonItem>
                         <barButtonItem key="rightBarButtonItem" image="LanguageFilter" id="0v8-uV-zCG">
                             <connections>
-                                <segue destination="9UV-8Y-ZY2" kind="popoverPresentation" popoverAnchorBarButtonItem="0v8-uV-zCG" id="PFl-Zb-f3y">
+                                <segue destination="yzc-l3-ioG" kind="popoverPresentation" identifier="showLangFilter" popoverAnchorBarButtonItem="0v8-uV-zCG" id="hlL-SF-vTM">
                                     <popoverArrowDirection key="popoverArrowDirection" up="YES" down="YES" left="YES" right="YES"/>
                                 </segue>
                             </connections>
@@ -189,46 +189,6 @@
             </objects>
             <point key="canvasLocation" x="-173.59999999999999" y="-1395.6521739130435"/>
         </scene>
-        <!--Library Language Controller-->
-        <scene sceneID="nQz-wd-Pht">
-            <objects>
-                <viewController id="AY1-gf-NdX" customClass="LibraryLanguageController" customModule="Kiwix" customModuleProvider="target" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="Gbe-6q-AdX"/>
-                        <viewControllerLayoutGuide type="bottom" id="8vj-R1-8rW"/>
-                    </layoutGuides>
-                    <view key="view" contentMode="scaleToFill" id="mon-4F-A4S">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <subviews>
-                            <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="28" sectionFooterHeight="28" translatesAutoresizingMaskIntoConstraints="NO" id="28D-2G-Cvf">
-                                <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                                <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
-                            </tableView>
-                        </subviews>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
-                        <constraints>
-                            <constraint firstItem="28D-2G-Cvf" firstAttribute="top" secondItem="mon-4F-A4S" secondAttribute="top" id="DJO-iO-hYh"/>
-                            <constraint firstItem="28D-2G-Cvf" firstAttribute="leading" secondItem="mon-4F-A4S" secondAttribute="leading" id="E9e-XT-g3D"/>
-                            <constraint firstItem="8vj-R1-8rW" firstAttribute="top" secondItem="28D-2G-Cvf" secondAttribute="bottom" id="pQ2-u7-NMz"/>
-                            <constraint firstAttribute="trailing" secondItem="28D-2G-Cvf" secondAttribute="trailing" id="rLN-pb-zDN"/>
-                        </constraints>
-                    </view>
-                    <navigationItem key="navigationItem" id="vzE-Av-BsR">
-                        <barButtonItem key="leftBarButtonItem" systemItem="done" id="OR7-vP-57g">
-                            <connections>
-                                <action selector="dismissButtonTapped:" destination="AY1-gf-NdX" id="PQe-Ul-pjG"/>
-                            </connections>
-                        </barButtonItem>
-                    </navigationItem>
-                    <connections>
-                        <outlet property="tableView" destination="28D-2G-Cvf" id="wxf-wh-F7V"/>
-                    </connections>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="LO6-m0-Uxj" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="1712.8" y="-1396.5517241379312"/>
-        </scene>
         <!--Tab Bar Controller-->
         <scene sceneID="c2f-93-r3I">
             <objects>
@@ -286,22 +246,88 @@
             <point key="canvasLocation" x="-1112.8" y="-740.7796101949026"/>
         </scene>
         <!--Navigation Controller-->
-        <scene sceneID="p9k-Dg-805">
+        <scene sceneID="009-Nq-Jlu">
             <objects>
-                <navigationController automaticallyAdjustsScrollViewInsets="NO" id="9UV-8Y-ZY2" sceneMemberID="viewController">
+                <navigationController automaticallyAdjustsScrollViewInsets="NO" id="yzc-l3-ioG" sceneMemberID="viewController">
                     <toolbarItems/>
-                    <navigationBar key="navigationBar" contentMode="scaleToFill" id="R1C-h3-seO">
+                    <navigationBar key="navigationBar" contentMode="scaleToFill" id="Wdw-pU-0LU">
                         <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
                         <autoresizingMask key="autoresizingMask"/>
                     </navigationBar>
                     <nil name="viewControllers"/>
                     <connections>
-                        <segue destination="AY1-gf-NdX" kind="relationship" relationship="rootViewController" id="sor-RY-jDf"/>
+                        <segue destination="YXq-FN-ov8" kind="relationship" relationship="rootViewController" id="1TZ-7g-6UX"/>
                     </connections>
                 </navigationController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="VM9-Mm-1VF" userLabel="First Responder" sceneMemberID="firstResponder"/>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="HvZ-jb-XAs" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="745" y="-1396"/>
+            <point key="canvasLocation" x="952.79999999999995" y="-1402.8485757121441"/>
+        </scene>
+        <!--Library Language Controller-->
+        <scene sceneID="jB1-ec-I5Q">
+            <objects>
+                <tableViewController storyboardIdentifier="LanguageFilterController" id="YXq-FN-ov8" customClass="LibraryLanguageController" customModule="Kiwix" customModuleProvider="target" sceneMemberID="viewController">
+                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="grouped" separatorStyle="default" rowHeight="44" sectionHeaderHeight="18" sectionFooterHeight="18" id="gqM-t7-QqQ">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" cocoaTouchSystemColor="groupTableViewBackgroundColor"/>
+                        <prototypes>
+                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="Cell" textLabel="dyh-6J-ZGf" detailTextLabel="d0p-hJ-zVy" style="IBUITableViewCellStyleValue1" id="PuW-jR-mYi">
+                                <rect key="frame" x="0.0" y="56" width="375" height="44"/>
+                                <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="PuW-jR-mYi" id="hQJ-5P-hy0">
+                                    <rect key="frame" x="0.0" y="0.0" width="375" height="43.5"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <subviews>
+                                        <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Title" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="dyh-6J-ZGf">
+                                            <rect key="frame" x="15" y="12" width="33.5" height="20.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                            <nil key="textColor"/>
+                                            <nil key="highlightedColor"/>
+                                        </label>
+                                        <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Detail" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="d0p-hJ-zVy">
+                                            <rect key="frame" x="316" y="12" width="44" height="20.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                            <nil key="textColor"/>
+                                            <nil key="highlightedColor"/>
+                                        </label>
+                                    </subviews>
+                                </tableViewCellContentView>
+                            </tableViewCell>
+                        </prototypes>
+                        <connections>
+                            <outlet property="dataSource" destination="YXq-FN-ov8" id="hRN-3s-A7O"/>
+                            <outlet property="delegate" destination="YXq-FN-ov8" id="D0R-dF-zb9"/>
+                        </connections>
+                    </tableView>
+                    <navigationItem key="navigationItem" id="GNP-b4-wXb">
+                        <nil key="title"/>
+                        <barButtonItem key="leftBarButtonItem" style="done" systemItem="done" id="hYI-fs-ZEn">
+                            <connections>
+                                <action selector="doneButtonTapped:" destination="YXq-FN-ov8" id="ANg-X6-3dK"/>
+                            </connections>
+                        </barButtonItem>
+                        <segmentedControl key="titleView" opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" id="ODt-wT-Y6T">
+                            <rect key="frame" x="126" y="8" width="123" height="29"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            <segments>
+                                <segment title="English"/>
+                                <segment title="Original"/>
+                            </segments>
+                            <connections>
+                                <action selector="segmentedControlChanged:" destination="YXq-FN-ov8" eventType="valueChanged" id="8hy-Cm-9U2"/>
+                            </connections>
+                        </segmentedControl>
+                    </navigationItem>
+                    <connections>
+                        <outlet property="langNameSegmentedControl" destination="ODt-wT-Y6T" id="6A8-6v-b1K"/>
+                    </connections>
+                </tableViewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="MZw-BB-s9z" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="1871" y="-1403"/>
         </scene>
     </scenes>
     <resources>
diff --git a/Kiwix.xcodeproj/project.pbxproj b/Kiwix.xcodeproj/project.pbxproj
index 4e501c49..a4e6393d 100644
--- a/Kiwix.xcodeproj/project.pbxproj
+++ b/Kiwix.xcodeproj/project.pbxproj
@@ -11,7 +11,6 @@
 		9705D5941E368189005292AC /* Library.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 9705D5931E368189005292AC /* Library.storyboard */; };
 		9705D5961E368712005292AC /* LibraryBooksController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9705D5951E368712005292AC /* LibraryBooksController.swift */; };
 		9705D5981E368933005292AC /* CoreDataCollectionBaseController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9705D5971E368933005292AC /* CoreDataCollectionBaseController.swift */; };
-		9705D59A1E36B876005292AC /* LibraryLanguageController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9705D5991E36B876005292AC /* LibraryLanguageController.swift */; };
 		970A2A221DD562CB0078BB7C /* BookOperations.swift in Sources */ = {isa = PBXBuildFile; fileRef = 970A2A211DD562CB0078BB7C /* BookOperations.swift */; };
 		970E7F741D9DB0FC00741290 /* 1.8.xcmappingmodel in Sources */ = {isa = PBXBuildFile; fileRef = 970E7F731D9DB0FC00741290 /* 1.8.xcmappingmodel */; };
 		970E7F831DA0305000741290 /* WelcomeController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 970E7F7F1DA0305000741290 /* WelcomeController.swift */; };
@@ -36,6 +35,7 @@
 		973208271DD2238B00EDD3DC /* Queue.swift in Sources */ = {isa = PBXBuildFile; fileRef = 97D6811C1D6F70AC00E5FA99 /* Queue.swift */; };
 		973208291DD223DB00EDD3DC /* RefreshLibrary.swift in Sources */ = {isa = PBXBuildFile; fileRef = 973208281DD223DB00EDD3DC /* RefreshLibrary.swift */; };
 		9734E54E1D289D060061C39B /* Welcome.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 9734E54D1D289D060061C39B /* Welcome.storyboard */; };
+		9737F6211E379D0700961020 /* LibraryLanguageController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9737F6201E379D0700961020 /* LibraryLanguageController.swift */; };
 		973A5C921DEA3F5600C7804C /* CoreDataTableBaseController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 973A5C911DEA3F5600C7804C /* CoreDataTableBaseController.swift */; };
 		973A5C951DEA6DD000C7804C /* URLResponseCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = 973A5C931DEA6CA900C7804C /* URLResponseCache.swift */; };
 		973A5C991DEBC54800C7804C /* CloudKit.swift in Sources */ = {isa = PBXBuildFile; fileRef = 973A5C981DEBC54800C7804C /* CloudKit.swift */; };
@@ -96,7 +96,6 @@
 		97BC0FBF1DD90A65004BBAD1 /* JSInjection.swift in Sources */ = {isa = PBXBuildFile; fileRef = 97BC0FBD1DD90A65004BBAD1 /* JSInjection.swift */; };
 		97BC0FC01DD90A65004BBAD1 /* MainController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 97BC0FBE1DD90A65004BBAD1 /* MainController.swift */; };
 		97BC0FC21DD92B62004BBAD1 /* Buttons.swift in Sources */ = {isa = PBXBuildFile; fileRef = 97BC0FC11DD92B62004BBAD1 /* Buttons.swift */; };
-		97C005D61D64B3B0004352E8 /* Library--old.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C005D51D64B3B0004352E8 /* Library--old.storyboard */; };
 		97C2C26A1DDCC58500A9CC64 /* ArticleOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9764CBD21D8083AA00072D6A /* ArticleOperation.swift */; };
 		97C601DC1D7F15C400362D4F /* Bookmark.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C601DB1D7F15C400362D4F /* Bookmark.storyboard */; };
 		97C601DE1D7F342100362D4F /* HTMLHeading.swift in Sources */ = {isa = PBXBuildFile; fileRef = 97C601DD1D7F342100362D4F /* HTMLHeading.swift */; };
@@ -163,7 +162,6 @@
 		9705D5931E368189005292AC /* Library.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = Library.storyboard; sourceTree = "<group>"; };
 		9705D5951E368712005292AC /* LibraryBooksController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LibraryBooksController.swift; sourceTree = "<group>"; };
 		9705D5971E368933005292AC /* CoreDataCollectionBaseController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CoreDataCollectionBaseController.swift; sourceTree = "<group>"; };
-		9705D5991E36B876005292AC /* LibraryLanguageController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LibraryLanguageController.swift; sourceTree = "<group>"; };
 		970912551D7F452C00BBD5A1 /* 1.8.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = 1.8.xcdatamodel; sourceTree = "<group>"; };
 		970A2A211DD562CB0078BB7C /* BookOperations.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BookOperations.swift; sourceTree = "<group>"; };
 		970E7F731D9DB0FC00741290 /* 1.8.xcmappingmodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcmappingmodel; name = 1.8.xcmappingmodel; path = Kiwix/CoreData/Migration/1.8.xcmappingmodel; sourceTree = SOURCE_ROOT; };
@@ -191,6 +189,7 @@
 		973208251DD21E9C00EDD3DC /* CoreDataContainer.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CoreDataContainer.swift; sourceTree = "<group>"; };
 		973208281DD223DB00EDD3DC /* RefreshLibrary.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = RefreshLibrary.swift; sourceTree = "<group>"; };
 		9734E54D1D289D060061C39B /* Welcome.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = Welcome.storyboard; path = "Kiwix-iOS/Storyboard/Welcome.storyboard"; sourceTree = SOURCE_ROOT; };
+		9737F6201E379D0700961020 /* LibraryLanguageController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LibraryLanguageController.swift; sourceTree = "<group>"; };
 		973A5C911DEA3F5600C7804C /* CoreDataTableBaseController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CoreDataTableBaseController.swift; sourceTree = "<group>"; };
 		973A5C931DEA6CA900C7804C /* URLResponseCache.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = URLResponseCache.swift; sourceTree = "<group>"; };
 		973A5C981DEBC54800C7804C /* CloudKit.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CloudKit.swift; sourceTree = "<group>"; };
@@ -265,7 +264,6 @@
 		97BC0FBD1DD90A65004BBAD1 /* JSInjection.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = JSInjection.swift; sourceTree = "<group>"; };
 		97BC0FBE1DD90A65004BBAD1 /* MainController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MainController.swift; sourceTree = "<group>"; };
 		97BC0FC11DD92B62004BBAD1 /* Buttons.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Buttons.swift; sourceTree = "<group>"; };
-		97C005D51D64B3B0004352E8 /* Library--old.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = "Library--old.storyboard"; path = "Kiwix-iOS/Storyboard/Library--old.storyboard"; sourceTree = SOURCE_ROOT; };
 		97C601DB1D7F15C400362D4F /* Bookmark.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = Bookmark.storyboard; sourceTree = "<group>"; };
 		97C601DD1D7F342100362D4F /* HTMLHeading.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = HTMLHeading.swift; sourceTree = "<group>"; };
 		97D0E9921DDA487E0029530E /* SearchBaseController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SearchBaseController.swift; sourceTree = "<group>"; };
@@ -625,7 +623,6 @@
 				975227CA1D0227E8001D1DDE /* Main.storyboard */,
 				97C601DB1D7F15C400362D4F /* Bookmark.storyboard */,
 				9705D5931E368189005292AC /* Library.storyboard */,
-				97C005D51D64B3B0004352E8 /* Library--old.storyboard */,
 				97F03CE11D2440470040D26E /* Search.storyboard */,
 				976C1DCF1E3000B6005EDEC4 /* Setting.storyboard */,
 				9734E54D1D289D060061C39B /* Welcome.storyboard */,
@@ -728,7 +725,7 @@
 			isa = PBXGroup;
 			children = (
 				9705D5951E368712005292AC /* LibraryBooksController.swift */,
-				9705D5991E36B876005292AC /* LibraryLanguageController.swift */,
+				9737F6201E379D0700961020 /* LibraryLanguageController.swift */,
 			);
 			path = Library;
 			sourceTree = "<group>";
@@ -979,7 +976,6 @@
 				975227CD1D0227E8001D1DDE /* Main.storyboard in Resources */,
 				976C1DD01E3000B6005EDEC4 /* Setting.storyboard in Resources */,
 				971A10801D022F74007FC62C /* Pic_I.png in Resources */,
-				97C005D61D64B3B0004352E8 /* Library--old.storyboard in Resources */,
 				971A107F1D022F74007FC62C /* ImportBookLearnMore.html in Resources */,
 				971A107E1D022F74007FC62C /* DownloaderLearnMore.html in Resources */,
 			);
@@ -1102,7 +1098,7 @@
 				9705D5961E368712005292AC /* LibraryBooksController.swift in Sources */,
 				97D681391D6F711A00E5FA99 /* DownloadTask.swift in Sources */,
 				977B954D1DD4C40400F6F62B /* ScanLocalBook.swift in Sources */,
-				9705D59A1E36B876005292AC /* LibraryLanguageController.swift in Sources */,
+				9737F6211E379D0700961020 /* LibraryLanguageController.swift in Sources */,
 				97D681321D6F70EC00E5FA99 /* MigrationPolicy.swift in Sources */,
 				976C1DCB1E2FD5FC005EDEC4 /* TableOfContentsController.swift in Sources */,
 				976C1DD81E327328005EDEC4 /* FontSizeController.swift in Sources */,