dumping of NSView & subviews

Dumping

//  Dumping.swift
//
//  Copyright (c) 2015 Ben Rudhart | www.app-grade.de
//  This class is ported from an objectiv-c version found here: http://www.blackdogfoundry.com/blog/common-xcode4-plugin-techniques/


import Foundation
import AppKit

extension NSView {
    func dumpWithIndent(indent: String) {
        let clazz = String.fromCString(object_getClassName(self))!
        var info = ""

        if self.respondsToSelector("title") {
            if let title = self.valueForKey("title") as! String? where count(title) > 0 {
                info += " title=\(title)"
            }
        }

        if self.respondsToSelector("stringValue") {
            if let string = self.valueForKey("stringValue") as! String? where count(string) > 0{
                info += " stringValue=\(string)"
            }
        }

        if let tooltip = self.toolTip where count(toolTip!) > 0 {
            info += " tooltip=\(tooltip)"
        }

        println("\(indent) \(clazz) \(info)")

        if self.subviews.count > 0 {
            let subIndent = indent + ((count(indent)/2) % 2 == 0 ? "| " : ": ")
            for subview in self.subviews {
                subview.dumpWithIndent(subIndent)
            }
        }
    }
}