ConfigurableTableViewController

TableView

October 5, 2023

Simple view controller that provides a way to configure a table view with multiple types of cells while keeping type safety. To learn what and whys I encourage you to read the associated blog post.

Usage

Let’s say we want to present a table view controller with four rows: two with text and two with images. We start by creating view data structures that cells will be configurable with:


                                              
                                                struct TextCellViewData {

let title: String

}
struct ImageCellViewData {

let image: UIImage

}

and the cells themselves:


                                              
                                                class TextTableViewCell: UITableViewCell {

func updateWithViewData(viewData: TextCellViewData) {

textLabel?.text = viewData.title

}

}
class ImageTableViewCell: UITableViewCell {

func updateWithViewData(viewData: ImageCellViewData) {

imageView?.image = viewData.image

}

}

Now to present a table view controller with those cells, we simply configure it in the following way:


                                              
                                                import ConfigurableTableViewController
…
let viewController = ConfigurableTableViewController(items: [

CellConfigurator<TextTableViewCell>(viewData: TextCellViewData(title: “Foo”)),

CellConfigurator<ImageTableViewCell>(viewData: ImageCellViewData(image: apple)),

CellConfigurator<ImageTableViewCell>(viewData: ImageCellViewData(image: google)),

CellConfigurator<TextTableViewCell>(viewData: TextCellViewData(title: “Bar”)),

])
presentViewController(viewController, animated: true, completion: nil)

And ta-da 🎈:

I encourage you to check both the implementation and an example app.

Demo

To run the example project; clone the repo, open the project and run ExampleApp target.

Requirements

iOS 8 and above.

GitHub

View Github

#ios8 #swift #tableview #viewcontroller

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