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August 29, 2015 14:23
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| import UIKit | |
| import XCPlayground | |
| extension UIView { | |
| public override func canBecomeFirstResponder() -> Bool { | |
| return true | |
| } | |
| var firstSubview: UIView? { | |
| if let f = self.subviews.first { | |
| return f | |
| } else { | |
| return nil | |
| } | |
| } | |
| var firstResponder: UIView? { | |
| if self.isFirstResponder() { | |
| return self | |
| } | |
| for subview in self.subviews { | |
| if let fr = subview.firstResponder /*as UIView? -- FIX */ { | |
| print("-") | |
| //assert(fr != nil, "THIS SHOULD NOT HAPPEN BUT DOES") | |
| return fr | |
| } | |
| } | |
| return nil | |
| } | |
| func findFirstResponder() -> UIView? { | |
| if self.isFirstResponder() { | |
| return self | |
| } | |
| for subview in self.subviews { | |
| if let fr = subview.findFirstResponder() { | |
| print("+") | |
| //assert(fr != nil, "WORKS FINE") | |
| return fr | |
| } | |
| } | |
| return nil | |
| } | |
| } | |
| "ok" | |
| var v = UIView() | |
| XCPShowView("v", view: v) | |
| v.addSubview(UIView()) | |
| v.backgroundColor = UIColor.redColor() | |
| v.frame = CGRectMake(0,0,200,200) | |
| v.becomeFirstResponder() | |
| v.firstSubview?.becomeFirstResponder() | |
| v.findFirstResponder() | |
| v.firstResponder | |
| v.subviews.first! | |
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