109 lines
2.4 KiB
Swift
109 lines
2.4 KiB
Swift
// 1 august 2015
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import Cocoa
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// auto layout helpers
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func tIsAmbiguous(view: NSView, indent: Int) {
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var s = string(indent, ' ')
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debugPrint("\(s) \(view.className) \(view.hasAmbiguousLayout)")
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if view.hasAmbiguousLayout {
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view.window.visualizeConstraints(view.superview.constraints)
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}
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for subview in view.subviews {
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tIsAmbiguous(subview, indent + 1)
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}
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}
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class tWindow : tControl {
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private var w: NSWindow;
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private var c: tControl;
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private var margined: Bool;
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init() {
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self.w = NSWindow(
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contentRect: NSMakeRect(0, 0, 320, 240),
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styleMask: (NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask),
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backing: NSBackingStoreBuffered,
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defer: true)
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self.w.title = "Auto Layout Test"
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self.c = nil
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self.margined = false
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}
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public func tSetControl(c: tControl) {
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self.c = c
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self.c.tSetParent(self, addToView: self.w.contentView)
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self.tRelayout()
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}
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public func tSetMargined(m: Bool) {
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self.margined = m
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self.tRelayout()
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}
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public func tShow() {
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self.w.cascadeTopLeftFromPoint(NSMakePoint(20, 20))
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self.w.makeKeyAndOrderFront(self)
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tIsAmbiguous(self.w.contentView, 0)
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}
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func tSetParent(p: tControl, addToView: NSView) {
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fatalError("cannot call tWindow.tSetParent()")
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}
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func tFillAutoLayout(p: tAutoLayoutParams) {
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fatalError("cannot call tWindow.tFillAutoLayout()")
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}
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public func tRelayout() {
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if self.c == nil {
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return
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}
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var contentView = self.w.contentView
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contentView.removeConstraints(contentView.constraints)
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var p = tAutoLayoutParams()
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self.c.tFillAutoLayout(p)
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var views = [
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"view": p.view,
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]
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var margin = ""
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if self.margined {
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margin = "-"
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}
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// TODO always append margins even if not attached?
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// or if not attached, append ->=0- as well?
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var constraint = "H:"
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if p.attachLeft {
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constraint += "|" + margin
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}
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constraint += "[view]"
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if p.attachRight {
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constraint += margin + "|"
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}
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var constraints = NSLayoutConstraint(
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visualFormat:constraint,
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options:0,
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metrics:nil,
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views:views)
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contentView.addConstraints(constraints)
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constraint = "V:"
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if p.attachTop {
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constraint += "|" + margin
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}
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constraint += "[view]"
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if p.attachBottom {
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constraint += margin + "|"
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}
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constraints = NSLayoutConstraint(
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visualFormat:constraint,
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options:0,
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metrics:nil,
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views:views)
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contentView.addConstraints(constraints)
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}
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}
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