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mirror of https://github.com/qvacua/vimr.git synced 2024-12-22 05:01:50 +03:00
vimr/VimR/Workspace/Workspace.swift
2016-11-20 10:57:27 +01:00

291 lines
8.2 KiB
Swift

/**
* Tae Won Ha - http://taewon.de - @hataewon
* See LICENSE
*/
import Cocoa
import PureLayout
enum WorkspaceBarLocation {
case top
case right
case bottom
case left
static let all = [ top, right, bottom, left ]
}
protocol WorkspaceDelegate: class {
func resizeWillStart(workspace: Workspace)
func resizeDidEnd(workspace: Workspace)
}
class Workspace: NSView, WorkspaceBarDelegate {
struct Config {
let mainViewMinimumSize: CGSize
}
fileprivate(set) var isAllToolsVisible = true {
didSet {
self.relayout()
}
}
fileprivate(set) var isToolButtonsVisible = true {
didSet {
self.bars.values.forEach { $0.isButtonVisible = !$0.isButtonVisible }
}
}
fileprivate var tools = [WorkspaceTool]()
fileprivate var isDragOngoing = false
fileprivate var draggedOnBarLocation: WorkspaceBarLocation?
fileprivate let proxyBar = ProxyWorkspaceBar(forAutoLayout: ())
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
// MARK: - API
let mainView: NSView
let bars: [WorkspaceBarLocation: WorkspaceBar]
let config: Config
weak var delegate: WorkspaceDelegate?
init(mainView: NSView, config: Config = Config(mainViewMinimumSize: CGSize(width: 100, height: 100))) {
self.config = config
self.mainView = mainView
self.bars = [
.top: WorkspaceBar(location: .top),
.right: WorkspaceBar(location: .right),
.bottom: WorkspaceBar(location: .bottom),
.left: WorkspaceBar(location: .left)
]
super.init(frame: CGRect.zero)
self.configureForAutoLayout()
self.register(forDraggedTypes: [WorkspaceToolButton.toolUti])
self.bars.values.forEach { [unowned self] in $0.delegate = self }
self.relayout()
}
func append(tool: WorkspaceTool, location: WorkspaceBarLocation) {
if self.tools.contains(tool) {
return
}
self.tools.append(tool)
self.bars[location]?.append(tool: tool)
}
func toggleAllTools() {
self.isAllToolsVisible = !self.isAllToolsVisible
}
func toggleToolButtons() {
self.isToolButtonsVisible = !self.isToolButtonsVisible
}
}
// MARK: - NSDraggingDestination
extension Workspace {
override func draggingEntered(_ sender: NSDraggingInfo) -> NSDragOperation {
self.isDragOngoing = true
return .move
}
override func draggingUpdated(_ sender: NSDraggingInfo) -> NSDragOperation {
let loc = self.convert(sender.draggingLocation(), from: nil)
let currentBarLoc = self.barLocation(inPoint: loc)
if currentBarLoc == self.draggedOnBarLocation {
return .move
}
self.draggedOnBarLocation = currentBarLoc
self.relayout()
return .move
}
override func draggingExited(_ sender: NSDraggingInfo?) {
self.endDrag()
}
override func draggingEnded(_ sender: NSDraggingInfo?) {
self.endDrag()
}
fileprivate func endDrag() {
self.isDragOngoing = false
self.draggedOnBarLocation = nil
self.proxyBar.removeFromSuperview()
self.proxyBar.removeAllConstraints()
}
override func performDragOperation(_ sender: NSDraggingInfo) -> Bool {
let loc = self.convert(sender.draggingLocation(), from: nil)
guard let barLoc = self.barLocation(inPoint: loc) else {
return false
}
guard let toolButton = sender.draggingSource() as? WorkspaceToolButton else {
return false
}
guard let tool = toolButton.tool else {
return false
}
tool.bar?.remove(tool: tool)
self.bars[barLoc]?.append(tool: tool)
return true
}
fileprivate func barLocation(inPoint loc: CGPoint) -> WorkspaceBarLocation? {
for barLoc in WorkspaceBarLocation.all {
if rect(forBar: barLoc).contains(loc) {
return barLoc
}
}
return nil
}
// We copy and pasted WorkspaceBar.barFrame() since we need the rect for the proxy bars.
fileprivate func rect(forBar location: WorkspaceBarLocation) -> CGRect {
let size = self.bounds.size
let dimension = self.bars[location]!.dimensionWithoutTool()
switch location {
case .top:
return CGRect(x: 0, y: size.height - dimension, width: size.width, height: dimension)
case .right:
return CGRect(x: size.width - dimension, y: 0, width: dimension, height: size.height)
case .bottom:
return CGRect(x: 0, y: 0, width: size.width, height: dimension)
case .left:
return CGRect(x: 0, y: 0, width: dimension, height: size.height)
}
}
}
// MARK: - WorkspaceBarDelegate
extension Workspace {
func resizeWillStart(workspaceBar: WorkspaceBar) {
self.delegate?.resizeWillStart(workspace: self)
}
func resizeDidEnd(workspaceBar: WorkspaceBar) {
self.delegate?.resizeDidEnd(workspace: self)
}
}
// MARK: - Layout
extension Workspace {
fileprivate func relayout() {
// FIXME: I did not investigate why toggleButtons does not work correctly if we store all constraints in an array
// and remove them here by self.removeConstraints(${all constraints). The following seems to work...
self.subviews.forEach { $0.removeAllConstraints() }
self.removeAllSubviews()
let mainView = self.mainView
self.addSubview(mainView)
mainView.autoSetDimension(.width, toSize: self.config.mainViewMinimumSize.width, relation: .greaterThanOrEqual)
mainView.autoSetDimension(.height, toSize: self.config.mainViewMinimumSize.height, relation: .greaterThanOrEqual)
guard self.isAllToolsVisible else {
mainView.autoPinEdgesToSuperviewEdges()
return
}
let topBar = self.bars[.top]!
let rightBar = self.bars[.right]!
let bottomBar = self.bars[.bottom]!
let leftBar = self.bars[.left]!
self.addSubview(topBar)
self.addSubview(rightBar)
self.addSubview(bottomBar)
self.addSubview(leftBar)
topBar.autoPinEdge(toSuperviewEdge: .top)
topBar.autoPinEdge(toSuperviewEdge: .right)
topBar.autoPinEdge(toSuperviewEdge: .left)
rightBar.autoPinEdge(.top, to: .bottom, of: topBar)
rightBar.autoPinEdge(toSuperviewEdge: .right)
rightBar.autoPinEdge(.bottom, to: .top, of: bottomBar)
bottomBar.autoPinEdge(toSuperviewEdge: .right)
bottomBar.autoPinEdge(toSuperviewEdge: .bottom)
bottomBar.autoPinEdge(toSuperviewEdge: .left)
leftBar.autoPinEdge(.top, to: .bottom, of: topBar)
leftBar.autoPinEdge(toSuperviewEdge: .left)
leftBar.autoPinEdge(.bottom, to: .top, of: bottomBar)
NSLayoutConstraint.autoSetPriority(NSLayoutPriorityDragThatCannotResizeWindow) {
topBar.dimensionConstraint = topBar.autoSetDimension(.height, toSize: 50)
rightBar.dimensionConstraint = rightBar.autoSetDimension(.width, toSize: 50)
bottomBar.dimensionConstraint = bottomBar.autoSetDimension(.height, toSize: 50)
leftBar.dimensionConstraint = leftBar.autoSetDimension(.width, toSize: 50)
}
self.bars.values.forEach { $0.relayout() }
mainView.autoPinEdge(.top, to: .bottom, of: topBar)
mainView.autoPinEdge(.right, to: .left, of: rightBar)
mainView.autoPinEdge(.bottom, to: .top, of: bottomBar)
mainView.autoPinEdge(.left, to: .right, of: leftBar)
if let barLoc = self.draggedOnBarLocation {
let proxyBar = self.proxyBar
self.addSubview(proxyBar)
let barRect = self.rect(forBar: barLoc)
switch barLoc {
case .top:
proxyBar.autoPinEdge(toSuperviewEdge: .top)
proxyBar.autoPinEdge(toSuperviewEdge: .right)
proxyBar.autoPinEdge(toSuperviewEdge: .left)
proxyBar.autoSetDimension(.height, toSize: barRect.height)
case .right:
proxyBar.autoPinEdge(.top, to: .bottom, of: topBar)
proxyBar.autoPinEdge(toSuperviewEdge: .right)
proxyBar.autoPinEdge(.bottom, to: .top, of: bottomBar)
proxyBar.autoSetDimension(.width, toSize: barRect.width)
case .bottom:
proxyBar.autoPinEdge(toSuperviewEdge: .right)
proxyBar.autoPinEdge(toSuperviewEdge: .bottom)
proxyBar.autoPinEdge(toSuperviewEdge: .left)
proxyBar.autoSetDimension(.height, toSize: barRect.height)
case .left:
proxyBar.autoPinEdge(.top, to: .bottom, of: topBar)
proxyBar.autoPinEdge(toSuperviewEdge: .left)
proxyBar.autoPinEdge(.bottom, to: .top, of: bottomBar)
proxyBar.autoSetDimension(.width, toSize: barRect.width)
}
}
self.needsDisplay = true
}
}