63 lines
2.7 KiB
Swift
63 lines
2.7 KiB
Swift
/*
|
|
Copyright 2024 New Vector Ltd.
|
|
Copyright 2020 Vector Creations Ltd
|
|
Copyright 2014 OpenMarket Ltd
|
|
|
|
SPDX-License-Identifier: AGPL-3.0-only
|
|
Please see LICENSE in the repository root for full details.
|
|
*/
|
|
|
|
import Foundation
|
|
|
|
extension UITableView {
|
|
|
|
/// Returns safe area insetted separator inset. Should only be used when custom constraints on custom table view cells are being set according to separator insets.
|
|
@objc var vc_separatorInset: UIEdgeInsets {
|
|
var result = separatorInset
|
|
result.left -= self.safeAreaInsets.left
|
|
result.right -= self.safeAreaInsets.right
|
|
return result
|
|
}
|
|
|
|
/// Since UITableView does not manage Auto Layout for header, it'd be appropriate calling this after tableView bounds change
|
|
@objc func vc_relayoutHeaderView() {
|
|
guard let headerView = tableHeaderView else { return }
|
|
let height = ceil(headerView.systemLayoutSizeFitting(CGSize(width: bounds.width, height: 0),
|
|
withHorizontalFittingPriority: .required,
|
|
verticalFittingPriority: .fittingSizeLevel).height)
|
|
|
|
// compare heights to avoid infinite loop
|
|
if height != headerView.frame.height {
|
|
var headerFrame = headerView.frame
|
|
headerFrame.size.height = height
|
|
headerView.frame = headerFrame
|
|
tableHeaderView = headerView
|
|
}
|
|
}
|
|
|
|
/// Since UITableView does not manage Auto Layout for footer, it'd be appropriate calling this after tableView bounds change
|
|
@objc func vc_relayoutFooterView() {
|
|
guard let footerView = tableFooterView else { return }
|
|
let height = ceil(footerView.systemLayoutSizeFitting(CGSize(width: bounds.width, height: 0),
|
|
withHorizontalFittingPriority: .required,
|
|
verticalFittingPriority: .fittingSizeLevel).height)
|
|
|
|
// compare heights to avoid infinite loop
|
|
if height != footerView.frame.height {
|
|
var headerFrame = footerView.frame
|
|
headerFrame.size.height = height
|
|
footerView.frame = headerFrame
|
|
tableFooterView = footerView
|
|
}
|
|
}
|
|
|
|
/// Checks a given index path exists in the table view
|
|
/// - Parameter indexPath: index path to check
|
|
/// - Returns: True if table view has the index path, otherwise false
|
|
@objc func vc_hasIndexPath(_ indexPath: IndexPath) -> Bool {
|
|
return numberOfSections > indexPath.section
|
|
&& numberOfRows(inSection: indexPath.section) > indexPath.row
|
|
}
|
|
|
|
}
|