initial operator overload experiment

This commit is contained in:
Jonas Budelmann 2014-06-06 15:42:44 +12:00
commit afb20a778f
13 changed files with 845 additions and 0 deletions

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//
// AppDelegate.swift
// ExpressiveLayout
//
// Created by Jonas Budelmann on 5/06/14.
// Copyright (c) 2014 Jonas Budelmann. All rights reserved.
//
import UIKit
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
self.window = UIWindow(frame: UIScreen.mainScreen().bounds)
// Override point for customization after application launch.
let navigationController = UINavigationController(rootViewController: RootViewController())
self.window!.rootViewController = navigationController
self.window!.backgroundColor = UIColor.whiteColor()
self.window!.makeKeyAndVisible()
return true
}
}

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//
// CompositeConstraint.swift
// ExpressiveLayout
//
// Created by Jonas Budelmann on 5/06/14.
// Copyright (c) 2014 Jonas Budelmann. All rights reserved.
//
import Foundation

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//
// Constraint.swift
// ExpressiveLayout
//
// Created by Jonas Budelmann on 5/06/14.
// Copyright (c) 2014 Jonas Budelmann. All rights reserved.
//
import Foundation
protocol Constraint {
func add(other: Any) -> Constraint
func equalTo(other: Any) -> Constraint
}

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//
// Operators.swift
// ExpressiveLayout
//
// Created by Jonas Budelmann on 5/06/14.
// Copyright (c) 2014 Jonas Budelmann. All rights reserved.
//
import UIKit
//TODO spilt into different files
enum ViewLayoutAttribute {
case CenterX
case CenterY
case Left
case Right
case Top
case Bottom
case Width
case Height
}
class ViewAttribute {
weak var view: UIView?
let attribute: ViewLayoutAttribute
init(view: UIView, attribute: ViewLayoutAttribute) {
self.view = view
self.attribute = attribute
}
}
@infix func + (left: Constraint, right: Any) -> Constraint {
return left.add(right);
}
@infix func == (left: Constraint, right: Any) -> Constraint {
return left.equalTo(right);
}
func installConstraints(constraints: Array<Constraint>) {
// find common superview
// create NSLayoutConstraint
}
extension UIView {
var left: Constraint { return SingleConstraint(view: self, attribute: .Left) }
var right: Constraint { return SingleConstraint(view: self, attribute: .Right) }
var top: Constraint { return SingleConstraint(view: self, attribute: .Top) }
var bottom: Constraint { return SingleConstraint(view: self, attribute: .Bottom) }
}

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//
// RootViewController.swift
// ExpressiveLayout
//
// Created by Jonas Budelmann on 5/06/14.
// Copyright (c) 2014 Jonas Budelmann. All rights reserved.
//
import UIKit
class RootViewController : UIViewController {
override func viewDidLoad() {
self.view.backgroundColor = UIColor.whiteColor()
let superview = self.view
let view1 = UIView()
view1.backgroundColor = UIColor.greenColor()
view1.layer.borderColor = UIColor.blackColor().CGColor
view1.layer.borderWidth = 2
superview.addSubview(view1)
let view2 = UIView()
view2.backgroundColor = UIColor.redColor()
view2.layer.borderColor = UIColor.blackColor().CGColor
view2.layer.borderWidth = 2
superview.addSubview(view2)
let view3 = UIView()
view3.backgroundColor = UIColor.blueColor()
view3.layer.borderColor = UIColor.blackColor().CGColor
view3.layer.borderWidth = 2
superview.addSubview(view3)
var padding = 10;
installConstraints([
view1.left == superview.left + padding
])
// //if you want to use Masonry without the mas_ prefix
// //define MAS_SHORTHAND before importing Masonry.h see Masonry iOS Examples-Prefix.pch
// [view1 makeConstraints:^(MASConstraintMaker *make) {
// make.top.greaterThanOrEqualTo(superview.top).offset(padding);
// make.left.equalTo(superview.left).offset(padding);
// make.bottom.equalTo(view3.top).offset(-padding);
// make.right.equalTo(view2.left).offset(-padding);
// make.width.equalTo(view2.width);
//
// make.height.equalTo(view2.height);
// make.height.equalTo(view3.height);
// }];
//
// //with is semantic and option
// [view2 mas_makeConstraints:^(MASConstraintMaker *make) {
// make.top.equalTo(superview.mas_top).with.offset(padding); //with with
// make.left.equalTo(view1.mas_right).offset(padding); //without with
// make.bottom.equalTo(view3.mas_top).offset(-padding);
// make.right.equalTo(superview.mas_right).offset(-padding);
// make.width.equalTo(view1.mas_width);
//
// make.height.equalTo(@[view1, view3]); //can pass array of views
// }];
//
// [view3 mas_makeConstraints:^(MASConstraintMaker *make) {
// make.top.equalTo(view1.mas_bottom).offset(padding);
// make.left.equalTo(superview.mas_left).offset(padding);
// make.bottom.equalTo(superview.mas_bottom).offset(-padding);
// make.right.equalTo(superview.mas_right).offset(-padding);
// make.height.equalTo(@[view1.mas_height, view2.mas_height]); //can pass array of attributes
// }];
}
}

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//
// ViewConstraint.swift
// ExpressiveLayout
//
// Created by Jonas Budelmann on 5/06/14.
// Copyright (c) 2014 Jonas Budelmann. All rights reserved.
//
import UIKit
class SingleConstraint : Constraint {
var firstViewAttribute: ViewAttribute
var secondViewAttribute: ViewAttribute?
var layoutConstant: Double = 0
init(view: UIView, attribute: ViewLayoutAttribute) {
firstViewAttribute = ViewAttribute(view: view, attribute: attribute)
}
func add(other: Any) -> Constraint {
switch other {
case let offset as Double:
layoutConstant += offset;
case let constraint as SingleConstraint:
println("TODO add to \(constraint)")
default:
println("unsupported value: \(other)")
}
return self;
}
func equalTo(other: Any) -> Constraint {
switch other {
case let offset as Double:
layoutConstant = offset;
case let constraint as SingleConstraint:
self.secondViewAttribute = constraint.firstViewAttribute;
default:
println("unsupported value: \(other)")
}
return self;
}
}

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//
// ExpressiveLayoutTests.swift
// ExpressiveLayoutTests
//
// Created by Jonas Budelmann on 5/06/14.
// Copyright (c) 2014 Jonas Budelmann. All rights reserved.
//
import XCTest
class ExpressiveLayoutTests: XCTestCase {
override func setUp() {
super.setUp()
// Put setup code here. This method is called before the invocation of each test method in the class.
}
override func tearDown() {
// Put teardown code here. This method is called after the invocation of each test method in the class.
super.tearDown()
}
func testExample() {
// This is an example of a functional test case.
XCTAssert(true, "Pass")
}
func testPerformanceExample() {
// This is an example of a performance test case.
self.measureBlock() {
// Put the code you want to measure the time of here.
}
}
}

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
<string>${EXECUTABLE_NAME}</string>
<key>CFBundleIdentifier</key>
<string>com.cloudling.${PRODUCT_NAME:rfc1034identifier}</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>${PRODUCT_NAME}</string>
<key>CFBundlePackageType</key>
<string>BNDL</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1</string>
</dict>
</plist>