Xcode Code Snippets

Some useful Code Snippets for your Xcode. It generates you templates for the following cases:

• CollectionView Delegate and DataSource
• CollectionView configuration
• Constants
• Dequeue TableView Cell
• Disable SwiftLint rule
• Load data from plist file
• TableView configuration
• TableView Delegate and DataSource

Installation

Run the following command of the make-file in Terminal:

$ make install_snippets

Please restart Xcode after installation.

Uninstallation

Run the following command of the make-file in Terminal:

$ make uninstall_snippets

Please restart Xcode after uninstallation.

Overview

CollectionView Delegate and DataSource

Configuration
Title	CollectionView Delegate and DataSource
Summary	Creates the extensions for collectionView Delegate and DataSource with a default implementation of the most used methods.
Platform	All
Language	Swift
Completion Shortcut	collectionDelDat
Completion Scopes	TopLevel

Code

extension <#ViewController#>: UICollectionViewDelegate {
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {

    }
}

extension <#ViewController#>: UICollectionViewDataSource {
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return <#numberOfItemsInSection#>
    }

    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        switch indexPath.section {
        case <#section#>:
            return contentCollectionViewCell(for: indexPath)
        default:
            return UICollectionViewCell()
        }
    }

    private func contentCollectionViewCell(for indexPath: IndexPath) -> UICollectionViewCell {
        if let cell = collectionView.dequeueReusableCell(withReuseIdentifier: <#cellIdentifier#>, for: indexPath) as? <#UICollectionViewCell#> {
            cell.<#property#> = <#value#>
            return cell
        }
        return UICollectionViewCell()
    }

    private func noContentCollectionViewCell(for indexPath: IndexPath) -> UICollectionViewCell {
        if let cell = collectionView.dequeueReusableCell(withReuseIdentifier: <#cellIdentifier#>, for: indexPath) as? <#UICollectionViewCell#> {
            cell.<#property#> = <#value#>
            return cell
        }
        return UICollectionViewCell()
    }
}

CollectionView configuration

Configuration
Title	CollectionView Configuration
Summary	Creates a private method with a default configuration for a collectionView.
Platform	All
Language	Swift
Completion Shortcut	configCollection
Completion Scopes	ClassImplementation

Code

private func configureCollectionView() {
        collectionView.delegate = self
        collectionView.dataSource = self

        let nib = UINib(nibName: <#nibName#>, bundle: nil)
        let noContentNib = UINib(nibName: <#noContentNibName#>, bundle: nil)
        collectionView.register(nib, forCellWithReuseIdentifier: <#reuseIdentifier#>)
        collectionView.register(noContentNib, forCellWithReuseIdentifier: <#noContentReuseIdentifier#>)

        collectionView.isScrollEnabled = <#Bool#>
    }

Constants

Configuration
Title	Constants
Summary	Creates the constants enum which should contain all constants of a class.
Platform	All
Language	Swift
Completion Shortcut	consts
Completion Scopes	ClassImplementation

Code

enum Constants {
    static let <#constantName#>: <#T#> = <#value#>
}

Dequeue TableView Cell

Configuration
Title	Dequeue TableView Cell
Summary	Creates a default body for dequeueing a tableView cell.
Platform	All
Language	Swift
Completion Shortcut	dequeueCell
Completion Scopes	CodeExpression
	TopLevel

Code

if let cell = tableView.dequeueReusableCell(withIdentifier: <#cellIdentifier#>, for: indexPath) as? <#UITableViewCell#> {
    cell.<#property#> = <#value#>
    return cell
}
return UITableViewCell()

Disable SwiftLint rule

Configuration
Title	Disable next SwiftLint rule
Summary	Disables the next specific SwiftLint rule.
Platform	All
Language	Swift
Completion Shortcut	lint
Completion Scopes	StringOrComment

Code

// swiftlint:disable:next <#rule#>

Load data from plist file

Configuration
Title	Load data from plist
Summary	Decodes a plist file.
Platform	All
Language	Swift
Completion Shortcut	plist
Completion Scopes	ClassImplementation

Code

func readDataFromPlist() -> <#T: Decodable.Protocol#>? {
    if let url = Bundle.main.url(forResource: "Info", withExtension: "plist"), let data = try? Data(contentsOf: url) {
        do {
            return try PropertyListDecoder().decode(<#T: Decodable.Protocol#>.self, from: data)
        } catch {
            print(error)
            return nil
        }
    } else {
        return nil
    }
}

TableView configuration

Configuration
Title	TableView Configuration
Summary	Creates a private method with a default configuration for a tableView with pull to refresh.
Platform	All
Language	Swift
Completion Shortcut	configTable
Completion Scopes	ClassImplementation

Code

private let refreshControl = UIRefreshControl()

private func configureTableView() {
    tableView.delegate = self
    tableView.dataSource = self

    let nib = UINib(nibName: <#nibName#>, bundle: nil)
    let noContentNib = UINib(nibName: <#noContentNibName#>, bundle: nil)
    tableView.register(nib, forCellReuseIdentifier: <#reuseIdentifier#>)
    tableView.register(noContentNib, forCellReuseIdentifier: <#noContentReuseIdentifier#>)

    tableView.estimatedRowHeight = <#estimatedRowHeight#>
    tableView.rowHeight = UITableView.automaticDimension

    if #available(iOS 10.0, *) {
        tableView.refreshControl = refreshControl
    } else {
        tableView.addSubview(refreshControl)
    }
    refreshControl.addTarget(self, action: #selector(refresh(_:)), for: .valueChanged)
}

@objc
private func refresh(_ sender: Any) {

}

TableView Delegate and DataSource

Configuration
Title	TableView Delegate and DataSource
Summary	Creates the extensions for tableView Delegate and DataSource with a default implementation of the most used methods.
Platform	All
Language	Swift
Completion Shortcut	tableDelDat
Completion Scopes	TopLevel

Code

extension <#ViewController#>: UITableViewDelegate {
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {

    }
}

extension <#ViewController#>: UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return <#numberOfRowsInSection#>
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        switch indexPath.section {
        case <#section#>:
            return contentTableViewCell(for: indexPath)
        default:
            return UITableViewCell()
        }
    }

    private func contentTableViewCell(for indexPath: IndexPath) -> UITableViewCell {
        if let cell = tableView.dequeueReusableCell(withIdentifier: <#cellIdentifier#>, for: indexPath) as? <#UITableViewCell#> {
            cell.<#property#> = <#value#>
            return cell
        }
        return UITableViewCell()
    }

    private func noContentTableViewCell() -> UITableViewCell {
        if let cell = tableView.dequeueReusableCell(withIdentifier: <#cellIdentifier#>) as? <#UITableViewCell#> {
            cell.<#property#> = <#value#>
            return cell
        }
        return UITableViewCell()
    }
}

License

Xcode Code Snippets is released under the MIT License. See LICENSE for details.

Contribution

Author: ManDon5