LeadKit/Sources/Extensions/Views/PlaceholderConfigurable/PlaceholderConfigurable+Def...

57 lines
2.3 KiB
Swift

//
// Copyright (c) 2018 Touch Instinct
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
public extension PlaceholderConfigurable {
func configureContentLoading(with contentLoadingViewModel: ContentLoadingViewModelType) {
switch contentLoadingViewModel {
case .content(let contentViewModel):
configure(contentViewModel: contentViewModel)
case .placeholder(let placeholderViewModel):
configure(placeholderViewModel: placeholderViewModel)
}
setPlaceholder(visible: contentLoadingViewModel.isPlaceholder)
}
func configure(placeholderViewModel: PlaceholderViewModelType) {
// typically nothing
}
/// Shows or hides placeholder.
///
/// - Parameter visible: A Boolean value that determines whether the placeholder content is visible.
func setPlaceholder(visible: Bool) {
contentContainerView.isHidden = visible
placeholderContainerView.isHidden = !visible
}
/// Creates content view model for this type.
///
/// - Parameter contentViewModel: Content of ContentLoadingViewModel.
/// - Returns: ContentLoadingViewModel with content.
static func content(with contentViewModel: ContentViewModelType) -> ContentLoadingViewModelType {
.content(contentViewModel)
}
}