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Dariusch Didebanmrylmz
Dariusch Dideban
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mrylmz
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‎.gitignore

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# Xcode
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#
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# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
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## Build generated
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build/
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DerivedData/
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## Various settings
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*.pbxuser
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!default.pbxuser
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*.mode1v3
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!default.mode1v3
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*.mode2v3
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!default.mode2v3
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*.perspectivev3
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!default.perspectivev3
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xcuserdata/
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## Other
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*.moved-aside
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*.xccheckout
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*.xcscmblueprint
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## Obj-C/Swift specific
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*.hmap
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*.ipa
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*.dSYM.zip
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*.dSYM
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## Playgrounds
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timeline.xctimeline
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playground.xcworkspace
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# Swift Package Manager
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#
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# Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
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# Packages/
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# Package.pins
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# Package.resolved
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.build/
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# CocoaPods
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#
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# We recommend against adding the Pods directory to your .gitignore. However
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# you should judge for yourself, the pros and cons are mentioned at:
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# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
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#
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# Pods/
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#
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# Add this line if you want to avoid checking in source code from the Xcode workspace
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# *.xcworkspace
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# *.xcodeproj
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# Carthage
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#
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# Add this line if you want to avoid checking in source code from Carthage dependencies.
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# Carthage/Checkouts
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Carthage/Build
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# Accio dependency management
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Dependencies/
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.accio/
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# fastlane
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#
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# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
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# screenshots whenever they are needed.
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# For more information about the recommended setup visit:
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# https://docs.fastlane.tools/best-practices/source-control/#source-control
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fastlane/report.xml
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fastlane/Preview.html
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fastlane/screenshots/**/*.png
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fastlane/test_output
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# Code Injection
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#
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# After new code Injection tools there's a generated folder /iOSInjectionProject
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# https://github.com/johnno1962/injectionforxcode
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iOSInjectionProject/
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# Xcode Swift PM
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.swiftpm

‎JamitFoundation.xcodeproj/project.pbxproj

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‎JamitFoundation.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>IDEDidComputeMac32BitWarning</key>
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<true/>
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</dict>
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</plist>

‎JamitFoundation.xcodeproj/xcshareddata/xcschemes/JamitFoundation.xcscheme

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<?xml version="1.0" encoding="UTF-8"?>
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<Scheme
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LastUpgradeVersion = "1100"
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version = "1.3">
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<BuildAction
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parallelizeBuildables = "YES"
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buildImplicitDependencies = "YES">
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<BuildActionEntries>
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<BuildActionEntry
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buildForTesting = "YES"
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buildForRunning = "YES"
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buildForProfiling = "YES"
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buildForArchiving = "YES"
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buildForAnalyzing = "YES">
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "C5CB31BF2371D0BE00E25E4B"
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BuildableName = "JamitFoundation.framework"
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BlueprintName = "JamitFoundation"
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ReferencedContainer = "container:JamitFoundation.xcodeproj">
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</BuildableReference>
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</BuildActionEntry>
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</BuildActionEntries>
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</BuildAction>
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<TestAction
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buildConfiguration = "Debug"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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shouldUseLaunchSchemeArgsEnv = "YES">
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<Testables>
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</Testables>
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</TestAction>
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<LaunchAction
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buildConfiguration = "Debug"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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launchStyle = "0"
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useCustomWorkingDirectory = "NO"
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ignoresPersistentStateOnLaunch = "NO"
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debugDocumentVersioning = "YES"
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debugServiceExtension = "internal"
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allowLocationSimulation = "YES">
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</LaunchAction>
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<ProfileAction
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buildConfiguration = "Release"
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shouldUseLaunchSchemeArgsEnv = "YES"
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savedToolIdentifier = ""
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useCustomWorkingDirectory = "NO"
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debugDocumentVersioning = "YES">
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<MacroExpansion>
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "C5CB31BF2371D0BE00E25E4B"
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BuildableName = "JamitFoundation.framework"
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BlueprintName = "JamitFoundation"
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ReferencedContainer = "container:JamitFoundation.xcodeproj">
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</BuildableReference>
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</MacroExpansion>
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</ProfileAction>
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<AnalyzeAction
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buildConfiguration = "Debug">
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</AnalyzeAction>
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<ArchiveAction
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buildConfiguration = "Release"
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revealArchiveInOrganizer = "YES">
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</ArchiveAction>
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</Scheme>

‎LICENSE

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//
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// MIT License
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//
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// Copyright (c) 2019 Jamit Labs GmbH
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//

‎Modules/PageView/PageView.swift

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import Foundation
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import JamitFoundation
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import UIKit
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/// A stateful view which adds paged scroll behaviour to an embedded `ContentView`.
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///
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/// Example:
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/// ```swift
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/// // Represents an image view with paged scroll behaviour.
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/// let imageSourceURLs: [URL] = <#image sources#>
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/// let contentView = PageView<ImageView>.instantiate()
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///
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/// contentView.model = .init(pages: imageSourceURLs.map { .url($0) })
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/// ```
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public final class PageView<ContentView: StatefulViewProtocol>: StatefulView<PageViewModel<ContentView.Model>>, UIScrollViewDelegate {
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private lazy var scrollView: UIScrollView = .instantiate()
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private lazy var contentViews: [ContentView] = []
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private var contentViewIndex: Int = 0
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public override func viewDidLoad() {
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super.viewDidLoad()
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scrollView.delegate = self
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scrollView.isPagingEnabled = true
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scrollView.showsHorizontalScrollIndicator = false
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scrollView.showsVerticalScrollIndicator = false
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scrollView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(scrollView)
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scrollView.topAnchor.constraint(equalTo: topAnchor).isActive = true
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scrollView.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
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scrollView.trailingAnchor.constraint(equalTo: trailingAnchor).isActive = true
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scrollView.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true
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}
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public override func didChangeModel() {
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super.didChangeModel()
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switch model.axis {
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case .horizontal:
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scrollView.alwaysBounceHorizontal = true
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scrollView.alwaysBounceVertical = false
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case .vertical:
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scrollView.alwaysBounceHorizontal = false
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scrollView.alwaysBounceVertical = true
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}
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if model.pages.count < contentViews.count {
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let removedIndices = model.pages.count ..< contentViews.count
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contentViews[removedIndices].forEach { $0.removeFromSuperview() }
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contentViews.removeSubrange(removedIndices)
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} else if contentViews.count < model.pages.count {
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let addedIndices = contentViews.count ..< model.pages.count
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addedIndices.forEach { _ in
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let view: ContentView = .instantiate()
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contentViews.append(view)
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scrollView.addSubview(view)
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}
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}
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contentViews.enumerated().forEach { index, view in
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view.model = model.pages[index]
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}
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updateContentLayout()
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}
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private func updateContentLayout() {
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let totalContentDimension = CGFloat(contentViews.count) * min(bounds.width, bounds.height)
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scrollView.contentSize = CGSize(
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width: model.axis == .horizontal ? totalContentDimension : bounds.width,
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height: model.axis == .vertical ? totalContentDimension : bounds.height
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)
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let initialFrame = bounds
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contentViews.enumerated().forEach { index, view in
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view.frame = initialFrame.offsetBy(
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dx: model.axis == .horizontal ? CGFloat(index) * initialFrame.width : 0,
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dy: model.axis == .vertical ? CGFloat(index) * initialFrame.height : 0
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)
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}
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}
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public func scrollViewDidScroll(_ scrollView: UIScrollView) {
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let newContentViewIndex: Int
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switch model.axis {
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case .horizontal:
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newContentViewIndex = bounds.width > 0 ? Int(round(scrollView.contentOffset.x / bounds.width)) : 0
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case .vertical:
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newContentViewIndex = bounds.height > 0 ? Int(round(scrollView.contentOffset.y / bounds.height)) : 0
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}
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if contentViewIndex != newContentViewIndex {
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contentViewIndex = newContentViewIndex
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model.onPageIndexChanged(contentViewIndex)
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}
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}
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}

‎Modules/PageView/PageViewModel.swift

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import Foundation
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import JamitFoundation
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import UIKit
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/// The state view model for `PageView`.
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public struct PageViewModel<Content: ViewModelProtocol>: ViewModelProtocol {
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/// A closure type definition for the page index change callback.
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public typealias PageIndexChangeCallback = (Int) -> Void
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/// The scroll axis definition for the `PageView` paging behaviour.
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public enum Axis {
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/// Describes a horizontal paging behaviour for the `PageView`.
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case horizontal
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/// Describes a vertical paging behaviour for the `PageView`.
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case vertical
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}
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/// The scroll axis for the paging behaviour.
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public let axis: Axis
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/// The content view models for the paginated content views.
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public let pages: [Content]
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/// The callback for page index changes.
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public let onPageIndexChanged: PageIndexChangeCallback
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/// The default initializer of `PageViewModel`.
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///
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/// - Parameter axis: The scroll axis for the paging behaviour.
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/// - Parameter pages: The paginated content view models.
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/// - Parameter onPageIndexChanged: The content view models for the paginated content views.
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public init(
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axis: Axis = PageViewModel.default.axis,
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pages: [Content] = PageViewModel.default.pages,
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onPageIndexChanged: @escaping PageIndexChangeCallback = PageViewModel.default.onPageIndexChanged
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) {
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self.axis = axis
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self.pages = pages
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self.onPageIndexChanged = onPageIndexChanged
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}
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}
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extension PageViewModel {
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/// The default state of `PageViewModel`.
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public static var `default`: PageViewModel<Content> {
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return .init(
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axis: .horizontal,
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pages: [],
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onPageIndexChanged: { _ in }
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)
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}
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}

‎Package.swift

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// swift-tools-version:5.0
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import PackageDescription
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let package = Package(
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name: "JamitFoundation",
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platforms: [.iOS(.v10)],
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products: [
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.library(name: "JamitFoundation", targets: ["JamitFoundation"]),
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.library(name: "PageView", targets: ["PageView"])
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],
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dependencies: [],
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targets: [
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.target(
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name: "JamitFoundation",
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dependencies: [],
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path: "Sources"
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),
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.target(
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name: "PageView",
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dependencies: ["JamitFoundation"],
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path: "Modules/PageView"
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)
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]
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)
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