31 lines
917 B
Swift
31 lines
917 B
Swift
import UIKit
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/// 自定义 UITextView，替换系统默认的 UIMenuItem 为自定义操作（拷贝、高亮、批注）
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final class RDEPUBSelectableTextView: UITextView {
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/// 选择菜单操作回调
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var onSelectionAction: ((RDEPUBAnnotationMenuAction) -> Void)?
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override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
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switch action {
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case #selector(rd_copy(_:)),
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#selector(rd_highlight(_:)),
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#selector(rd_annotate(_:)):
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return selectedRange.location != NSNotFound && selectedRange.length > 0
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default:
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return false
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}
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}
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@objc func rd_copy(_ sender: Any?) {
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onSelectionAction?(.copy)
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}
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@objc func rd_highlight(_ sender: Any?) {
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onSelectionAction?(.highlight)
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}
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@objc func rd_annotate(_ sender: Any?) {
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onSelectionAction?(.annotate)
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}
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}
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