80 lines
1.6 KiB
Swift
80 lines
1.6 KiB
Swift
// 7 august 2015
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import Cocoa
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struct BoxControl {
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var c: Control
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var stretchy: Bool
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}
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class Box : NSView, Control {
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private var controls: [BoxControl]
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private var parent: Control?
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private var vertical: Bool
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private var padded: Bool
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private var primaryDirPrefix: String
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private var secondaryDirPrefix: String
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init(vertical: Bool, padded: Bool) {
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self.controls = []
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self.parent = nil
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self.vertical = vertical
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self.padded = padded
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self.primaryDirPrefix = "H:"
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self.secondaryDirPrefix = "V:"
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if self.vertical {
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self.primaryDirPrefix = "V:"
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self.secondaryDirPrefix = "H:"
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}
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super.init(frame: NSZeroRect)
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self.translatesAutoresizingMaskIntoConstraints = false
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}
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required init?(coder: NSCoder) {
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fatalError("can't use this constructor, sorry")
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}
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func Add(control: Control, stretchy: Stretchy) {
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var c BoxControl
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c.c = control
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c.stretchy = stretchy
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self.addSubview(c.c.View())
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self.controls.append(c)
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self.relayout()
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}
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func View() -> NSView {
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return self
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}
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func SetParent(p: Control) {
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self.parent = p
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}
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// TODO stretchiness
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// - we will need a trailing view if there are no stretchy controls
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private func relayout() {
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if self.children.count == 0 {
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return
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}
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self.removeConstraints(self.constraints)
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// first collect the views
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var views = [String: NSView]()
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var n = 0
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for c in self.controls {
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views["view\(n)"] = c.c.View()
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}
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// next, assemble the views in the primary direction
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// they all go in a straight line
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// next: assemble the views in the secondary direction
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// each of them will span the secondary direction
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}
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}
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