CodeEdit/CodeEdit/WorkspaceView.swift at ef9471687a4b6d1714026ba6dfcb3dcf9f8de6f5 · thecoolwinter/CodeEdit · GitHub

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//
//  WorkspaceView.swift
//  CodeEdit
//
//  Created by Austin Condiff on 3/10/22.
//

import SwiftUI

struct WorkspaceView: View {
    @Environment(\.window.value)
    private var window: NSWindow?

    @Environment(\.colorScheme)
    private var colorScheme

    @FocusState var focusedEditor: Editor?

    @AppSettings(\.theme.matchAppearance)
    var matchAppearance

    @AppSettings(\.sourceControl.general.sourceControlIsEnabled)
    var sourceControlIsEnabled

    @EnvironmentObject private var workspace: WorkspaceDocument
    @EnvironmentObject private var editorManager: EditorManager
    @EnvironmentObject private var utilityAreaViewModel: UtilityAreaViewModel

    @StateObject private var themeModel: ThemeModel = .shared

    @State private var showingAlert = false
    @State private var terminalCollapsed = true
    @State private var editorCollapsed = false
    @State private var editorsHeight: CGFloat = 0
    @State private var drawerHeight: CGFloat = 0

    private let statusbarHeight: CGFloat = 29

    private var keybindings: KeybindingManager =  .shared

    var body: some View {
        if workspace.workspaceFileManager != nil, let sourceControlManager = workspace.sourceControlManager {
            VStack {
                SplitViewReader { proxy in
                    SplitView(axis: .vertical) {
                        ZStack {
                            GeometryReader { geo in
                                EditorLayoutView(
                                    layout: editorManager.isFocusingActiveEditor
                                    ? editorManager.activeEditor.getEditorLayout() ?? editorManager.editorLayout
                                    : editorManager.editorLayout,
                                    focus: $focusedEditor
                                )
                                .frame(maxWidth: .infinity, maxHeight: .infinity)
                                .onChange(of: geo.size.height) { newHeight in
                                    editorsHeight = newHeight
                                }
                                .onAppear {
                                    editorsHeight = geo.size.height
                                }
                            }
                        }
                        .frame(minHeight: 170 + 29 + 29)
                        .collapsable()
                        .collapsed($utilityAreaViewModel.isMaximized)
                        .holdingPriority(.init(1))
                        Rectangle()
                            .collapsable()
                            .collapsed($utilityAreaViewModel.isCollapsed)
                            .opacity(0)
                            .frame(idealHeight: 260)
                            .frame(minHeight: 100)
                            .background {
                                GeometryReader { geo in
                                    Rectangle()
                                        .opacity(0)
                                        .onChange(of: geo.size.height) { newHeight in
                                            drawerHeight = newHeight
                                        }
                                        .onAppear {
                                            drawerHeight = geo.size.height
                                        }
                                }
                            }
                            .accessibilityHidden(true)
                    }
//                    .ignoresSafeArea(edges: .top)
                    .frame(maxWidth: .infinity, maxHeight: .infinity)
                    .overlay(alignment: .top) {
                        ZStack(alignment: .top) {
                            UtilityAreaView()
                                .frame(height: utilityAreaViewModel.isMaximized ? nil : drawerHeight)
                                .frame(maxHeight: utilityAreaViewModel.isMaximized ? .infinity : nil)
                                .padding(.top, utilityAreaViewModel.isMaximized ? statusbarHeight + 1 : 0)
                                .offset(y: utilityAreaViewModel.isMaximized ? 0 : editorsHeight + 1)
                            VStack(spacing: 0) {
                                StatusBarView(proxy: proxy)
                                if utilityAreaViewModel.isMaximized {
                                    PanelDivider()
                                }
                            }
                            .offset(y: utilityAreaViewModel.isMaximized ? 0 : editorsHeight - statusbarHeight)
                        }
                        .accessibilityElement(children: .contain)
                    }
                    .onChange(of: focusedEditor) { newValue in
                        /// update active tab group only if the new one is not the same with it.
                        if let newValue, editorManager.activeEditor != newValue {
                            editorManager.activeEditor = newValue
                        }
                    }
                    .onChange(of: editorManager.activeEditor) { newValue in
                        if newValue != focusedEditor {
                            focusedEditor = newValue
                        }
                    }
                    .task {
                        themeModel.colorScheme = colorScheme

                        do {
                            try await sourceControlManager.refreshRemotes()
                            try await sourceControlManager.refreshStashEntries()
                        } catch {
                            await sourceControlManager.showAlertForError(
                                title: "Error refreshing Git data",
                                error: error
                            )
                        }
                    }
                    .onChange(of: colorScheme) { newValue in
                        themeModel.colorScheme = newValue
                        if matchAppearance {
                            themeModel.selectedTheme = newValue == .dark
                            ? themeModel.selectedDarkTheme
                            : themeModel.selectedLightTheme
                        }
                    }
                    .onChange(of: sourceControlIsEnabled) { newValue in
                        if newValue {
                            Task {
                                await sourceControlManager.refreshCurrentBranch()
                            }
                        } else {
                            sourceControlManager.currentBranch = nil
                        }
                    }
                    .onChange(of: focusedEditor) { newValue in
                        /// Update active tab group only if the new one is not the same with it.
                        if let newValue, editorManager.activeEditor != newValue {
                            editorManager.activeEditor = newValue
                        }
                    }
                    .onChange(of: editorManager.activeEditor) { newValue in
                        if newValue != focusedEditor {
                            focusedEditor = newValue
                        }
                    }
                    .onReceive(NotificationCenter.default.publisher(for: NSWindow.willCloseNotification)) { output in
                        if let window = output.object as? NSWindow, self.window == window {
                            workspace.addToWorkspaceState(
                                key: .workspaceWindowSize,
                                value: NSStringFromRect(window.frame)
                            )
                        }
                    }
                }
            }
            .background(EffectView(.contentBackground))
            .background(WorkspaceSheets().environmentObject(sourceControlManager))
            .accessibilityElement(children: .contain)
            .accessibilityLabel("workspace area")
        }
    }
}