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Description

To run the example project, clone the repo, and run pod install from the Example directory first.

Programming language: Swift
License: MIT License
Tags: UI     UITableView     iOS     UICollectionView     SwiftLang     Placeholders     Empty States    
Latest version: v0.5.0

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README

HGPlaceholders

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Twitter: @GhazouaniHamza codebeat badge Documentation Readme Score

Example

To run the example project, clone the repo, and run pod install from the Example directory first.

Requirements

  • iOS 8.0+
  • Xcode 9.2

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Installation

HGPlaceholders is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod 'HGPlaceholders'

HGPlaceholders is also available through Carthage. To install it, simply add the following line to your Cartfile:

github "HamzaGhazouani/HGPlaceholders"

Usage

  1. Inherit your UITableView class from TableView Or inherit UICollectionView from CollectionView
  2. Call the placeholder to show
  • tableView.showLoadingPlaceholder() or collectionView.showLoadingPlaceholder()
  • tableView.showNoResultsPlaceholder() or collectionView.showNoResultsPlaceholder()
  • tableView.showErrorPlaceholder() or collectionView.showErrorPlaceholder()
  • tableView.showNoConnectionPlaceholder() or collectionView.showNoConnectionPlaceholder()

Customization

If you want to change only images, just set them in your asset with this names (the framework check firstly in the main bundle):

  • loading : "hg_default-loading"
  • no_connection : "hg_default-no_connection"
  • no_results : "hg_default-no_results"
  • error : "hg_default-error"

The framework contains different defaults placeholders:

  • Basic :

tableView.placeholdersProvider = .basic or collectionView.placeholdersProvider = .basic

  • Default :

tableView.placeholdersProvider = .default or collectionView.placeholdersProvider = .default

  • Default2 :

tableView.placeholdersProvider = .default2 or collectionView.placeholdersProvider = .default2

  • Hallowen :

tableView.placeholdersProvider = .halloween or collectionView.placeholdersProvider = .halloween // for fun :)`

If you want to change the default palceholders for all table views in your project: 

class ProjectNameTableView: TableView {

    override func customSetup() {
        placeholdersProvider = .basic
    }
}

class ProjectNameCollectionView: CollectionView {

    override func customSetup() {
        placeholdersProvider = .basic
    }
}

You can also add new placeholders fully customizable, you should keep in mind that the view will take table view frame, and placeholder can have only one action, please check the example project

Creating a new theme from scratch

static var summer: PlaceholdersProvider {

        var commonStyle = PlaceholderStyle()
        commonStyle.backgroundColor = UIColor(red: 1.0, green: 236.0/255, blue: 209.0/255.0, alpha: 1.0)
        commonStyle.actionBackgroundColor = .black
        commonStyle.actionTitleColor = .white
        commonStyle.titleColor = .black
        commonStyle.isAnimated = false

        commonStyle.titleFont = UIFont(name: "AvenirNextCondensed-HeavyItalic", size: 19)!
        commonStyle.subtitleFont = UIFont(name: "AvenirNextCondensed-Italic", size: 19)!
        commonStyle.actionTitleFont = UIFont(name: "AvenirNextCondensed-Heavy", size: 19)!

        var loadingStyle = commonStyle
        loadingStyle.actionBackgroundColor = .clear
        loadingStyle.actionTitleColor = .gray

        var loadingData: PlaceholderData = .loading
        loadingData.image = #imageLiteral(resourceName: "summer-hat")
        let loading = Placeholder(data: loadingData, style: loadingStyle, key: .loadingKey)

        var errorData: PlaceholderData = .error
        errorData.image = #imageLiteral(resourceName: "summer-ball")
        let error = Placeholder(data: errorData, style: commonStyle, key: .errorKey)

        var noResultsData: PlaceholderData = .noResults
        noResultsData.image = #imageLiteral(resourceName: "summer-cocktail")
        let noResults = Placeholder(data: noResultsData, style: commonStyle, key: .noResultsKey)

        var noConnectionData: PlaceholderData = .noConnection
        noConnectionData.image = #imageLiteral(resourceName: "summer-beach-slippers")
        let noConnection = Placeholder(data: noConnectionData, style: commonStyle, key: .noConnectionKey)

        let placeholdersProvider = PlaceholdersProvider(loading: loading, error: error, noResults: noResults, noConnection: noConnection)

        let xibPlaceholder = Placeholder(cellIdentifier: "CustomPlaceholderCell", key: PlaceholderKey.custom(key: "XIB"))

        placeholdersProvider.add(placeholders: xibPlaceholder)

        return placeholdersProvider
    }

### Adding a custom placeholder to an existing theme 

    private static var starWarsPlaceholder: Placeholder {
        var starwarsStyle = PlaceholderStyle()
        starwarsStyle.backgroundColor = .black
        starwarsStyle.actionBackgroundColor = .clear
        starwarsStyle.actionTitleColor = .white
        starwarsStyle.titleColor = .white
        starwarsStyle.isAnimated = false

        var starwarsData = PlaceholderData()
        starwarsData.title = NSLocalizedString("\"This is a new day, a\nnew beginning\"", comment: "")
        starwarsData.subtitle = NSLocalizedString("Star Wars", comment: "")
        starwarsData.image = #imageLiteral(resourceName: "star_wars")
        starwarsData.action = NSLocalizedString("OK!", comment: "")

        let placeholder = Placeholder(data: starwarsData, style: starwarsStyle, key: PlaceholderKey.custom(key: "starWars"))

        return placeholder
    }

    let provider = PlaceholdersProvider.summer 
    provider.addPlaceholders(MyUtilityClass.starWarsPlaceholder)

Documentation

Full documentation is available on CocoaDocs. You can also install documentation locally using jazzy.

Author

Hamza Ghazouani, [email protected]

License

HGPlaceholders is available under the MIT license. See the LICENSE file for more info.


*Note that all licence references and agreements mentioned in the HGPlaceholders README section above are relevant to that project's source code only.