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easy addConstains
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@pettymn
pettymn authored and Pettymn committed Oct 7, 2015
1 parent 93fe759 commit b061aa8
Showing 1 changed file with 13 additions and 63 deletions.
76 changes: 13 additions & 63 deletions Pod/Classes/PickerView.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -246,29 +246,7 @@ public class PickerView: UIView {
tableView.translatesAutoresizingMaskIntoConstraints = false
addSubview(tableView)

let tableViewH = NSLayoutConstraint(item: tableView, attribute: .Height, relatedBy: .Equal, toItem: self,
attribute: .Height, multiplier: 1, constant: 0)
addConstraint(tableViewH)

let tableViewW = NSLayoutConstraint(item: tableView, attribute: .Width, relatedBy: .Equal, toItem: self,
attribute: .Width, multiplier: 1, constant: 0)
addConstraint(tableViewW)

let tableViewL = NSLayoutConstraint(item: tableView, attribute: .Leading, relatedBy: .Equal, toItem: self,
attribute: .Leading, multiplier: 1, constant: 0)
addConstraint(tableViewL)

let tableViewTop = NSLayoutConstraint(item: tableView, attribute: .Top, relatedBy: .Equal, toItem: self,
attribute: .Top, multiplier: 1, constant: 0)
addConstraint(tableViewTop)

let tableViewBottom = NSLayoutConstraint(item: tableView, attribute: .Bottom, relatedBy: .Equal, toItem: self,
attribute: .Bottom, multiplier: 1, constant: 0)
addConstraint(tableViewBottom)

let tableViewT = NSLayoutConstraint(item: tableView, attribute: .Trailing, relatedBy: .Equal, toItem: self,
attribute: .Trailing, multiplier: 1, constant: 0)
addConstraint(tableViewT)
self.addConstains(tableView, attributes: [.Height, .Width, .Leading, .Top, .Bottom, .Trailing ])
}

private func setupSelectionOverlay() {
Expand All @@ -280,21 +258,7 @@ public class PickerView: UIView {
attribute: .NotAnAttribute, multiplier: 1, constant: rowHeight)
self.addConstraint(selectionOverlayH)

let selectionOverlayW = NSLayoutConstraint(item: selectionOverlay, attribute: .Width, relatedBy: .Equal, toItem: self,
attribute: .Width, multiplier: 1, constant: 0)
addConstraint(selectionOverlayW)

let selectionOverlayL = NSLayoutConstraint(item: selectionOverlay, attribute: .Leading, relatedBy: .Equal, toItem: self,
attribute: .Leading, multiplier: 1, constant: 0)
addConstraint(selectionOverlayL)

let selectionOverlayT = NSLayoutConstraint(item: selectionOverlay, attribute: .Trailing, relatedBy: .Equal, toItem: self,
attribute: .Trailing, multiplier: 1, constant: 0)
addConstraint(selectionOverlayT)

let selectionOverlayY = NSLayoutConstraint(item: selectionOverlay, attribute: .CenterY, relatedBy: .Equal, toItem: self,
attribute: .CenterY, multiplier: 1, constant: 0)
addConstraint(selectionOverlayY)
self.addConstains(selectionOverlay, attributes: [.Width, .Leading, .Trailing, .CenterY ])
}

private func setupSelectionImageView() {
Expand All @@ -306,21 +270,7 @@ public class PickerView: UIView {
attribute: .NotAnAttribute, multiplier: 1, constant: rowHeight)
self.addConstraint(selectionImageH)

let selectionImageW = NSLayoutConstraint(item: selectionImageView, attribute: .Width, relatedBy: .Equal, toItem: self,
attribute: .Width, multiplier: 1, constant: 0)
addConstraint(selectionImageW)

let selectionImageL = NSLayoutConstraint(item: selectionImageView, attribute: .Leading, relatedBy: .Equal, toItem: self,
attribute: .Leading, multiplier: 1, constant: 0)
addConstraint(selectionImageL)

let selectionImageT = NSLayoutConstraint(item: selectionImageView, attribute: .Trailing, relatedBy: .Equal, toItem: self,
attribute: .Trailing, multiplier: 1, constant: 0)
addConstraint(selectionImageT)

let selectionImageY = NSLayoutConstraint(item: selectionImageView, attribute: .CenterY, relatedBy: .Equal, toItem: self,
attribute: .CenterY, multiplier: 1, constant: 0)
addConstraint(selectionImageY)
self.addConstains(selectionImageView, attributes: [.Width, .Leading, .Trailing, .CenterY ])
}

private func setupDefaultSelectionIndicator() {
Expand All @@ -331,21 +281,21 @@ public class PickerView: UIView {
attribute: .NotAnAttribute, multiplier: 1, constant: 2.0)
addConstraint(selectionIndicatorH)

let selectionIndicatorW = NSLayoutConstraint(item: defaultSelectionIndicator, attribute: .Width, relatedBy: .Equal,
toItem: self, attribute: .Width, multiplier: 1, constant: 0)
addConstraint(selectionIndicatorW)

let selectionIndicatorL = NSLayoutConstraint(item: defaultSelectionIndicator, attribute: .Leading, relatedBy: .Equal,
toItem: self, attribute: .Leading, multiplier: 1, constant: 0)
addConstraint(selectionIndicatorL)

selectionIndicatorB = NSLayoutConstraint(item: defaultSelectionIndicator, attribute: .Bottom, relatedBy: .Equal,
toItem: self, attribute: .CenterY, multiplier: 1, constant: (rowHeight / 2))
addConstraint(selectionIndicatorB)

let selectionIndicatorT = NSLayoutConstraint(item: defaultSelectionIndicator, attribute: .Trailing, relatedBy: .Equal,
toItem: self, attribute: .Trailing, multiplier: 1, constant: 0)
addConstraint(selectionIndicatorT)

self.addConstains(defaultSelectionIndicator, attributes: [.Width, .Leading, .Trailing ])
}

private func addConstains(item:AnyObject, attributes:[NSLayoutAttribute]){
for att in attributes{
let selectionIndicator = NSLayoutConstraint(item: item, attribute: att, relatedBy: .Equal,
toItem: self, attribute: att, multiplier: 1, constant: 0)
addConstraint(selectionIndicator)
}
}

// MARK: Infinite Scrolling Helpers
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