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