Added some usefull extensions
This commit is contained in:
Alexey Gerasimov
parent
9bdbd3ea67
commit
29a8d16688
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@ -358,6 +358,22 @@
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@ -0,0 +1,78 @@
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|||
//
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// Copyright (c) 2017 Touch Instinct
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
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// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
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// all copies or substantial portions of the Software.
|
||||
//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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public extension Array where Element: Equatable {
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/// Union array with another arrays, without element duplication
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func union(values: [Array.Element]...) -> Array {
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var result = self
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for array in values {
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for value in array {
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if !result.contains(value) {
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result.append(value)
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}
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}
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}
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return result
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}
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/// Find common elements among arrays
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func intersection(values: [Array.Element]...) -> Array {
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var result = self
|
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var intersection = Array()
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||||
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||||
for (index, value) in values.enumerated() {
|
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if index > 0 {
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result = intersection
|
||||
intersection = Array()
|
||||
}
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value.forEach { item in
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if result.contains(item) && !intersection.contains(item) {
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intersection.append(item)
|
||||
}
|
||||
}
|
||||
}
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||||
|
||||
return intersection
|
||||
}
|
||||
|
||||
/// Find unique elements in array compared to other arrays
|
||||
func subtract(values: [Array.Element]...) -> Array {
|
||||
var result = Array()
|
||||
|
||||
elements: for item in self {
|
||||
for value in values {
|
||||
if value.contains(item) {
|
||||
continue elements
|
||||
}
|
||||
}
|
||||
|
||||
result.append(item)
|
||||
}
|
||||
|
||||
return result
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -33,4 +33,13 @@ public extension String {
|
|||
return UIImage(named: self)
|
||||
}
|
||||
|
||||
/**
|
||||
Nil if empty representation
|
||||
|
||||
- returns: nil if string empty, self otherwise
|
||||
*/
|
||||
public var nilIfEmpty: String? {
|
||||
return isEmpty ? nil : self
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,47 @@
|
|||
//
|
||||
// Copyright (c) 2017 Touch Instinct
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the Software), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
//
|
||||
|
||||
import UIKit
|
||||
|
||||
public extension UIAlertController {
|
||||
|
||||
/**
|
||||
Creates UIAlertController instance
|
||||
|
||||
- parameter item: information about alert in AlertRepresentable form
|
||||
- parameter actions: actions handlers
|
||||
|
||||
- returns: UIAlertController instance
|
||||
*/
|
||||
static func alert(item: AlertRepresentable, actions: (() -> Void)?...) -> UIAlertController {
|
||||
let alert = UIAlertController(title: item.title, message: item.text, preferredStyle: .alert)
|
||||
|
||||
zip(item.actionTitles, actions + [nil])
|
||||
.map { (title, action) in
|
||||
UIAlertAction(title: title, style: .default, handler: { _ in action?() })
|
||||
}
|
||||
.forEach { alert.addAction($0) }
|
||||
|
||||
return alert
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
//
|
||||
// Copyright (c) 2017 Touch Instinct
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the Software), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
//
|
||||
|
||||
import UIKit
|
||||
|
||||
public extension UIView {
|
||||
|
||||
/**
|
||||
Place and fix view to parent view's center
|
||||
|
||||
- parameter size: desired view size, by default size is equal parent's size
|
||||
*/
|
||||
func setToCenter(withSize size: CGSize? = nil) {
|
||||
guard let parent = superview else {
|
||||
return
|
||||
}
|
||||
|
||||
translatesAutoresizingMaskIntoConstraints = false
|
||||
|
||||
guard let size = size else {
|
||||
scaleToFill()
|
||||
return
|
||||
}
|
||||
|
||||
centerXAnchor.constraint(equalTo: parent.centerXAnchor).isActive = true
|
||||
centerYAnchor.constraint(equalTo: parent.centerYAnchor).isActive = true
|
||||
heightAnchor.constraint(equalToConstant: size.height).isActive = true
|
||||
widthAnchor.constraint(equalToConstant: size.width).isActive = true
|
||||
}
|
||||
|
||||
private func scaleToFill() {
|
||||
guard let superview = superview else {
|
||||
return
|
||||
}
|
||||
|
||||
topAnchor.constraint(equalTo: superview.topAnchor).isActive = true
|
||||
bottomAnchor.constraint(equalTo: superview.bottomAnchor).isActive = true
|
||||
leftAnchor.constraint(equalTo: superview.leftAnchor).isActive = true
|
||||
rightAnchor.constraint(equalTo: superview.rightAnchor).isActive = true
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,41 @@
|
|||
//
|
||||
// Copyright (c) 2017 Touch Instinct
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the Software), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
//
|
||||
|
||||
/// Protocol describes alert
|
||||
public protocol AlertRepresentable {
|
||||
/// Alert title
|
||||
var title: String { get }
|
||||
/// Alert message
|
||||
var text: String { get }
|
||||
/// Single (default, for example - "OK") action title
|
||||
var actionTitle: String { get }
|
||||
/// Actions titles, if there are more than one action
|
||||
var actionTitles: [String] { get }
|
||||
}
|
||||
|
||||
public extension AlertRepresentable {
|
||||
/// By default actionTitles contains single action title
|
||||
var actionTitles: [String] {
|
||||
return [actionTitle]
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue