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Enable changing of pinning and layoutMargin options
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Eric Hyche
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Aug 1, 2017
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46 changes: 46 additions & 0 deletions
46
LearnAboutStackViews/LearnAboutStackViews/Bool+Extensions.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // | ||
| // Bool+Extensions.swift | ||
| // LearnAboutStackViews | ||
| // | ||
| // Created by Eric Hyche on 8/1/17. | ||
| // Copyright © 2017 HeirPlay Software. All rights reserved. | ||
| // | ||
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| import Foundation | ||
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| extension Bool: EHMultipleChoiceDataSource { | ||
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| func title() -> String { | ||
| return "Boolean Selection" | ||
| } | ||
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| func choiceCount() -> Int { | ||
| return 2 | ||
| } | ||
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| func choiceText(atIndex: Int) -> String { | ||
| let indexChoice: Bool = (atIndex == 0 ? true : false) | ||
| return "\(indexChoice)" | ||
| } | ||
|
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| func isChoiceSelected(atIndex: Int) -> Bool { | ||
| let indexChoice: Bool = (atIndex == 0 ? true : false) | ||
| return self == indexChoice | ||
| } | ||
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| func canSelectMultipleChoices() -> Bool { | ||
| return false | ||
| } | ||
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| func canSelectChoice(atIndex: Int) -> Bool { | ||
| return true | ||
| } | ||
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| mutating func setChoice(selected: Bool, atIndex: Int) { | ||
| if atIndex < choiceCount() && selected { | ||
| let indexChoice: Bool = (atIndex == 0 ? true : false) | ||
| self = indexChoice | ||
| } | ||
| } | ||
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| } |
48 changes: 48 additions & 0 deletions
48
LearnAboutStackViews/LearnAboutStackViews/CGFloat+Extensions.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| // | ||
| // CGFloat+Extensions.swift | ||
| // LearnAboutStackViews | ||
| // | ||
| // Created by Eric Hyche on 7/31/17. | ||
| // Copyright © 2017 HeirPlay Software. All rights reserved. | ||
| // | ||
|
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| import UIKit | ||
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| extension CGFloat: EHMultipleChoiceDataSource { | ||
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| static let numberOfChoices = 25 | ||
| static let choiceDelta: CGFloat = 5.0 | ||
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| func title() -> String { | ||
| return "CGFloat Selection" | ||
| } | ||
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| func choiceCount() -> Int { | ||
| return CGFloat.numberOfChoices | ||
| } | ||
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| func choiceText(atIndex: Int) -> String { | ||
| return "\(CGFloat(atIndex) * CGFloat.choiceDelta)" | ||
| } | ||
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| func isChoiceSelected(atIndex: Int) -> Bool { | ||
| let indexValue = CGFloat(atIndex) * CGFloat.choiceDelta | ||
| return indexValue == self | ||
| } | ||
|
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| func canSelectMultipleChoices() -> Bool { | ||
| return false | ||
| } | ||
|
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| func canSelectChoice(atIndex: Int) -> Bool { | ||
| return true | ||
| } | ||
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| mutating func setChoice(selected: Bool, atIndex: Int) { | ||
| if atIndex < choiceCount() && selected { | ||
| let indexValue = CGFloat(atIndex) * CGFloat.choiceDelta | ||
| self = indexValue | ||
| } | ||
| } | ||
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| } |
114 changes: 114 additions & 0 deletions
114
LearnAboutStackViews/LearnAboutStackViews/EHPinningOptions.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| // | ||
| // EHPinningOptions.swift | ||
| // LearnAboutStackViews | ||
| // | ||
| // Created by Eric Hyche on 8/1/17. | ||
| // Copyright © 2017 HeirPlay Software. All rights reserved. | ||
| // | ||
|
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| import UIKit | ||
|
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| struct EHPinningOptions: OptionSet { | ||
| let rawValue: Int | ||
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| static let none = EHPinningOptions(rawValue: 0) | ||
| static let leading = EHPinningOptions(rawValue: 1 << 0) | ||
| static let centerX = EHPinningOptions(rawValue: 1 << 1) | ||
| static let trailing = EHPinningOptions(rawValue: 1 << 2) | ||
| static let top = EHPinningOptions(rawValue: 1 << 3) | ||
| static let centerY = EHPinningOptions(rawValue: 1 << 4) | ||
| static let bottom = EHPinningOptions(rawValue: 1 << 5) | ||
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| var textDescription: String { | ||
| get { | ||
| return EHPinningOptions.toString(options: self) | ||
| } | ||
| } | ||
|
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| static func toString(options: EHPinningOptions) -> String { | ||
| var optionStrings = [String]() | ||
|
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| if options.contains(.leading) { | ||
| optionStrings.append("leading") | ||
| } | ||
| if options.contains(.centerX) { | ||
| optionStrings.append("centerX") | ||
| } | ||
| if options.contains(.trailing) { | ||
| optionStrings.append("trailing") | ||
| } | ||
| if options.contains(.top) { | ||
| optionStrings.append("top") | ||
| } | ||
| if options.contains(.centerY) { | ||
| optionStrings.append("centerY") | ||
| } | ||
| if options.contains(.bottom) { | ||
| optionStrings.append("bottom") | ||
| } | ||
|
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| var desc = "" | ||
| if optionStrings.isEmpty { | ||
| desc = "none" | ||
| } else if optionStrings.count == 1 { | ||
| desc = optionStrings[0] | ||
| } else { | ||
| desc = "\(optionStrings)" | ||
| } | ||
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| return desc | ||
| } | ||
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| } | ||
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| extension EHPinningOptions: EHMultipleChoiceDataSource { | ||
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| func title() -> String { | ||
| return "Pinning Options" | ||
| } | ||
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| func choiceCount() -> Int { | ||
| return 6 | ||
| } | ||
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| func choiceText(atIndex: Int) -> String { | ||
| var text = "unknown" | ||
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| if atIndex < choiceCount() { | ||
| let option = EHPinningOptions(rawValue: (1 << atIndex)) | ||
| text = option.textDescription | ||
| } | ||
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| return text | ||
| } | ||
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| func isChoiceSelected(atIndex: Int) -> Bool { | ||
| var selected = false | ||
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| if atIndex < choiceCount() { | ||
| selected = contains(EHPinningOptions(rawValue: (1 << atIndex))) | ||
| } | ||
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| return selected | ||
| } | ||
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| func canSelectMultipleChoices() -> Bool { | ||
| return true | ||
| } | ||
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| func canSelectChoice(atIndex: Int) -> Bool { | ||
| return true | ||
| } | ||
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| mutating func setChoice(selected: Bool, atIndex: Int) { | ||
| if atIndex < choiceCount() { | ||
| let option = EHPinningOptions(rawValue: (1 << atIndex)) | ||
| if selected { | ||
| insert(option) | ||
| } else { | ||
| remove(option) | ||
| } | ||
| } | ||
| } | ||
|
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| } |
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