43 lines
1.6 KiB
Swift
43 lines
1.6 KiB
Swift
import AppKit
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extension NSMenu {
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/// Inserts a menu item after an existing item with the specified action selector.
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///
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/// If an item with the same identifier already exists, it is removed first to avoid duplicates.
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/// This is useful when menus are cached and reused across different targets.
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///
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/// - Parameters:
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/// - item: The menu item to insert.
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/// - action: The action selector to search for. The new item will be inserted after the first
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/// item with this action.
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/// - Returns: The index where the item was inserted, or `nil` if the action was not found
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/// and the item was not inserted.
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@discardableResult
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func insertItem(_ item: NSMenuItem, after action: Selector) -> UInt? {
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if let identifier = item.identifier,
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let existing = items.first(where: { $0.identifier == identifier }) {
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removeItem(existing)
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}
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guard let idx = items.firstIndex(where: { $0.action == action }) else {
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return nil
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}
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let insertionIndex = idx + 1
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insertItem(item, at: insertionIndex)
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return UInt(insertionIndex)
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}
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/// Removes all menu items whose identifier is in the given set.
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///
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/// - Parameter identifiers: The set of identifiers to match for removal.
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func removeItems(withIdentifiers identifiers: Set<NSUserInterfaceItemIdentifier>) {
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for (index, item) in items.enumerated().reversed() {
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guard let identifier = item.identifier else { continue }
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if identifiers.contains(identifier) {
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removeItem(at: index)
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}
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}
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}
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}
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