//
|
// NSTextStorage+Rx.swift
|
// RxCocoa
|
//
|
// Created by Segii Shulga on 12/30/15.
|
// Copyright © 2015 Krunoslav Zaher. All rights reserved.
|
//
|
|
#if os(iOS) || os(tvOS) || os(visionOS)
|
import RxSwift
|
import UIKit
|
|
extension Reactive where Base: NSTextStorage {
|
|
/// Reactive wrapper for `delegate`.
|
///
|
/// For more information take a look at `DelegateProxyType` protocol documentation.
|
public var delegate: DelegateProxy<NSTextStorage, NSTextStorageDelegate> {
|
return RxTextStorageDelegateProxy.proxy(for: base)
|
}
|
|
/// Reactive wrapper for `delegate` message.
|
public var didProcessEditingRangeChangeInLength: Observable<(editedMask: NSTextStorage.EditActions, editedRange: NSRange, delta: Int)> {
|
return delegate
|
.methodInvoked(#selector(NSTextStorageDelegate.textStorage(_:didProcessEditing:range:changeInLength:)))
|
.map { a in
|
let editedMask = NSTextStorage.EditActions(rawValue: try castOrThrow(UInt.self, a[1]) )
|
let editedRange = try castOrThrow(NSValue.self, a[2]).rangeValue
|
let delta = try castOrThrow(Int.self, a[3])
|
|
return (editedMask, editedRange, delta)
|
}
|
}
|
}
|
#endif
|
