mattercontrol/MatterControlLib/PartPreviewWindow/ViewToolBarControls.cs

/*
Copyright (c) 2022, Lars Brubaker, John Lewin
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

The views and conclusions contained in the software and documentation are those
of the authors and should not be interpreted as representing official policies,
either expressed or implied, of the FreeBSD Project.
*/

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using MatterHackers.Agg;
using MatterHackers.Agg.Image;
using MatterHackers.Agg.Platform;
using MatterHackers.Agg.UI;
using MatterHackers.DataConverters3D;
using MatterHackers.ImageProcessing;
using MatterHackers.Localizations;
using MatterHackers.MatterControl.CustomWidgets;
using MatterHackers.MatterControl.DataStorage;
using MatterHackers.MatterControl.Library;
using MatterHackers.MatterControl.Library.Widgets;
using MatterHackers.MatterControl.SlicerConfiguration;
using MatterHackers.VectorMath;

namespace MatterHackers.MatterControl.PartPreviewWindow
{
	public enum ViewControls3DButtons
	{
		Rotate,
		Scale,
		Translate,
		PartSelect
	}

	public enum PartViewMode
	{
		Layers2D,
		Layers3D,
		Model
	}

	public class ViewModeChangedEventArgs : EventArgs
	{
		public PartViewMode ViewMode { get; set; }

		public PartViewMode PreviousMode { get; set; }
	}

	public class TransformStateChangedEventArgs : EventArgs
	{
		public ViewControls3DButtons TransformMode { get; set; }
	}

	public class ViewToolBarControls : FlowLeftRightWithWrapping
	{
		public event EventHandler ResetView;

		public event EventHandler<TransformStateChangedEventArgs> TransformStateChanged;

		private View3DWidget view3DWidget;
		private readonly ISceneContext sceneContext;
		private readonly PartWorkspace workspace;
		private ViewControls3DButtons activeTransformState = ViewControls3DButtons.PartSelect;
		private readonly Dictionary<GuiWidget, SceneOperation> operationButtons;
		private MainViewWidget mainViewWidget = null;
		private readonly PopupMenuButton bedMenuButton;
		private readonly UndoBuffer undoBuffer;
		private readonly ThemedIconButton undoButton;
		private readonly ThemedIconButton redoButton;

		public ViewToolBarControls(PartWorkspace workspace, ThemeConfig theme, UndoBuffer undoBuffer, bool isPrinterType, bool showPrintButton)
		{
			this.undoBuffer = undoBuffer;
			this.IsPrinterMode = isPrinterType;
			this.sceneContext = workspace.SceneContext;
			this.workspace = workspace;

			this.RowPadding = 0;
			this.RowBorder = new BorderDouble(0, 0, 0, 1);
			this.RowBorderColor = theme.GetBorderColor(50);

			var openLibraryButton = CreateOpenLibraryButton(sceneContext, theme);

			this.AddChild(CreateOpenFileButton(openLibraryButton, theme));

			this.AddChild(CreateSaveButton(theme));

			this.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));

			bedMenuButton = new PopupMenuButton("Bed".Localize(), StaticData.Instance.LoadIcon("bed.png", 16, 16).SetToColor(theme.TextColor), theme)
			{
				Name = "Bed Options Menu",
				Enabled = true,
				Margin = theme.ButtonSpacing,
				VAnchor = VAnchor.Center,
				DrawArrow = true
			};

			this.AddChild(bedMenuButton);

			this.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));

			undoButton = new ThemedIconButton(StaticData.Instance.LoadIcon("undo.png", 16, 16).SetToColor(theme.TextColor), theme)
			{
				Name = "3D View Undo",
				ToolTipText = "Undo".Localize(),
				Enabled = false,
				Margin = theme.ButtonSpacing,
				VAnchor = VAnchor.Center
			};
			undoButton.MouseEnterBounds += (s, e) => undoButton.SetActiveUiHint("Ctrl + z".Localize());
			undoButton.Click += (sender, e) =>
			{
				sceneContext.Scene.Undo();
				view3DWidget.Object3DControlLayer.Focus();
			};
			this.AddChild(undoButton);

			redoButton = new ThemedIconButton(StaticData.Instance.LoadIcon("redo.png", 16, 16).SetToColor(theme.TextColor), theme)
			{
				Name = "3D View Redo",
				Margin = theme.ButtonSpacing,
				ToolTipText = "Redo".Localize(),
				Enabled = false,
				VAnchor = VAnchor.Center
			};
			redoButton.MouseEnterBounds += (s, e) => redoButton.SetActiveUiHint("Ctrl + Y, Ctrl + Shift + Z".Localize());
			redoButton.Click += (sender, e) =>
			{
				sceneContext.Scene.Redo();
				view3DWidget.Object3DControlLayer.Focus();
			};
			this.AddChild(redoButton);

			if (showPrintButton)
			{
				var printButton = new ThemedTextButton("Print", theme)
				{
					Name = "Print Button",
					BackgroundColor = theme.AccentMimimalOverlay
				};
				printButton.Click += (s, e) =>
				{
					view3DWidget.PushToPrinterAndPrint();
				};
				this.AddChild(printButton);
			}

			this.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));

			undoButton.Enabled = undoBuffer.UndoCount > 0;
			redoButton.Enabled = undoBuffer.RedoCount > 0;

			operationButtons = new Dictionary<GuiWidget, SceneOperation>();

			// Add Selected IObject3D -> Operations to toolbar
			foreach (var namedAction in SceneOperations.All)
			{
				if (namedAction is SceneSelectionSeparator)
				{
					this.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));
					continue;
				}

				// add the create support before the align
				if (namedAction is OperationGroup group
					&& group.Id == "Transform")
				{
					this.AddChild(CreateSupportButton(theme));
					this.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));
				}

				if (namedAction is OperationGroup operationGroup)
				{
					var expandoSet = new FlowLayoutWidget();

					var actionDropDown = CreateActionDropDown(theme, operationGroup);
					var operationButtonGroup = CreateOperationButtonGroup(theme, operationGroup);

					void UpdateVisability(object s, EventArgs e)
					{
						if (operationGroup.Visible)
						{
							if (operationGroup.Collapse)
							{
								actionDropDown.Visible = true;
								operationButtonGroup.Visible = false;

								DoWrappingLayout();
							}
							else
							{
								actionDropDown.Visible = false;
								operationButtonGroup.Visible = true;

								DoWrappingLayout();
							}
						}
						else
						{
							actionDropDown.Visible = false;
							operationButtonGroup.Visible = false;

							DoWrappingLayout();
						}
					}

					UserSettings.Instance.SettingChanged += UpdateVisability;
					operationGroup.CollapseChanged += UpdateVisability;
					operationGroup.VisibleChanged += UpdateVisability;
					this.Closed += (s, e) =>
					{
						UserSettings.Instance.SettingChanged -= UpdateVisability;
						operationGroup.CollapseChanged -= UpdateVisability;
						operationGroup.VisibleChanged -= UpdateVisability;
					};

					UpdateVisability(operationGroup, null);

					expandoSet.AddChild(actionDropDown);
					expandoSet.AddChild(operationButtonGroup);

					this.AddChild(expandoSet);
				}
				else
				{
					GuiWidget button;

					if (namedAction.Icon != null)
					{
						button = new ThemedIconButton(namedAction.Icon(theme), theme)
						{
							Name = namedAction.Title + " Button",
							ToolTipText = namedAction.Title,
							Margin = theme.ButtonSpacing,
							BackgroundColor = theme.ToolbarButtonBackground,
							HoverColor = theme.ToolbarButtonHover,
							MouseDownColor = theme.ToolbarButtonDown,
						};

						if (!string.IsNullOrEmpty(namedAction.UiHint))
						{
							button.MouseEnterBounds += (s1, e1) => button.SetActiveUiHint(namedAction.UiHint);
						}
					}
					else
					{
						button = new ThemedTextButton(namedAction.Title, theme)
						{
							Name = namedAction.Title + " Button",
							Margin = theme.ButtonSpacing,
							BackgroundColor = theme.ToolbarButtonBackground,
							HoverColor = theme.ToolbarButtonHover,
							MouseDownColor = theme.ToolbarButtonDown,
						};
					}

					operationButtons.Add(button, namedAction);

					button.Click += (s, e) => UiThread.RunOnIdle(() =>
					{
						namedAction.Action.Invoke(sceneContext);
						var partTab = button.Parents<DesignTabPage>().FirstOrDefault();
						var view3D = partTab.Descendants<View3DWidget>().FirstOrDefault();
						view3D.Object3DControlLayer.Focus();
					});

					this.AddChild(button);
				}
			}

			// add the options menu
			this.AddChild(new HorizontalSpacer());

			optionsButton = new PopupMenuButton("Tools".Localize(), theme)
			{
				AlignToRightEdge = true,
				DrawArrow = true,
			};
			this.AddChild(optionsButton);
			optionsButton.Name = "ToolBar Overflow Menu";
			optionsButton.ToolTipText = "Tool Bar Options".Localize();
			optionsButton.DynamicPopupContent = () => GenerateToolBarOptionsMenu(theme);

			// Register listeners
			undoBuffer.Changed += UndoBuffer_Changed;
			sceneContext.Scene.SelectionChanged += UpdateToolbarButtons;
			sceneContext.Scene.ItemsModified += UpdateToolbarButtons;

			// Run on load
			UpdateToolbarButtons(null, null);

			this.MouseDown += (s, mouseEvent) =>
			{
				if (mouseEvent.Button == MouseButtons.Right)
				{
					UiThread.RunOnIdle(() =>
					{
						var popupMenu = GenerateToolBarOptionsMenu(theme);
						popupMenu.ShowMenu(this, mouseEvent);
					});
				}
			};
		}

        private string Collapsed;
		private string Expanded;
		private string Hidden;

		private string Default;
		private string Hide_All;
		private string Expand_All;
        private PopupMenuButton optionsButton;

        private IEnumerable<OperationGroup> GroupOperations

		{
			get
			{
				foreach (var namedAction in SceneOperations.All)
				{
					if (namedAction is OperationGroup operationGroup)
					{
						yield return operationGroup;
					}
				}
			}
		}

		private PopupMenu GenerateToolBarOptionsMenu(ThemeConfig theme)
		{
			var popupMenu = new PopupMenu(theme)
			{
				Padding = new BorderDouble(0, 7),
			};

#if true
			void DefaultClicked(object e, MouseEventArgs mouseEvent)
			{
				foreach (var operationGroup in GroupOperations)
				{
					switch(operationGroup.Id)
                    {
						case "Path":
						case "Printing":
						case "Design Apps":
							operationGroup.Visible = false;
							break;

						default:
							operationGroup.Collapse = true;
							operationGroup.Visible = true;
							break;
                    }
				}

				optionsButton.InvokeClick();
				UiThread.RunOnIdle(optionsButton.InvokeClick);
			}

			void HideAll(object e, MouseEventArgs mouseEvent)
			{
				foreach (var operationGroup in GroupOperations)
				{
					operationGroup.Visible = false;
				}

				optionsButton.InvokeClick();
				UiThread.RunOnIdle(optionsButton.InvokeClick);
			}

			void ExpandAll(object e, MouseEventArgs mouseEvent)
			{
				foreach (var operationGroup in GroupOperations)
				{
					operationGroup.Collapse = false;
					operationGroup.Visible = true;
				}

				optionsButton.InvokeClick();
				UiThread.RunOnIdle(optionsButton.InvokeClick);
			}

			// buttons for the control of defaults
			var topButtonData = new (string, string, EventHandler<MouseEventArgs>)[]
			{
				(nameof(Default), nameof(Default).Replace("_", " ").Localize(), DefaultClicked),
				(nameof(Expand_All), nameof(Expand_All).Replace("_", " ").Localize(), ExpandAll),
				(nameof(Hide_All), nameof(Hide_All).Replace("_", " ").Localize(), HideAll),
			};

			popupMenu.CreateButtonMenuItem("Design Tools".Localize(), topButtonData, 40 * GuiWidget.DeviceScale, true);

			popupMenu.CreateSeparator(5);
#endif

			// the buttons per setting
			var buttonData = new (string, string)[]
			{
				(nameof(Collapsed), "Collapse".Localize()),
				(nameof(Expanded), "Expand".Localize()),
				(nameof(Hidden), "Hide".Localize()),
			};

			foreach (var operationGroup in GroupOperations)
			{
				var startingValue = operationGroup.Collapse ? nameof(Collapsed) : nameof(Expanded);
				if (!operationGroup.Visible)
				{
					startingValue = nameof(Hidden);
				}

				popupMenu.CreateButtonSelectMenuItem(operationGroup.Title, buttonData, startingValue, (value) =>
				{
					switch (value)
					{
						case nameof(Expanded):
							operationGroup.Collapse = false;
							operationGroup.Visible = true;
							break;

						case nameof(Collapsed):
							operationGroup.Collapse = true;
							operationGroup.Visible = true;
							break;

						case nameof(Hidden):
							operationGroup.Visible = false;
							break;
					}
				}, 40 * GuiWidget.DeviceScale);

				popupMenu.CreateSeparator();
			};

			return popupMenu;
		}

		private FlowLayoutWidget CreateOperationButtonGroup(ThemeConfig theme, OperationGroup operationGroup)
		{
			var buttonGroup = new FlowLayoutWidget();

			foreach (var operation in operationGroup.Operations)
			{
				if (operation == null)
                {
					continue;
                }

				var operationButton = new OperationIconButton(operation, sceneContext, theme);
				if (!string.IsNullOrEmpty(operation.UiHint))
				{
					operationButton.MouseEnterBounds += (s1, e1) => operationButton.SetActiveUiHint(operation.UiHint);
				}
				operationButtons.Add(operationButton, operation);

				buttonGroup.AddChild(operationButton);
			}

			var collapseButton = buttonGroup.AddChild(new ThemedIconButton(StaticData.Instance.LoadIcon("collapse_single.png", 8, 16).SetToColor(theme.TextColor), theme));
			collapseButton.Width = 16 * DeviceScale;
			collapseButton.ToolTipText = "Collapse".Localize();

			collapseButton.Click += (s, e) => UiThread.RunOnIdle(() =>
			{
				operationGroup.Collapse = true;
				DoWrappingLayout();
			});

			buttonGroup.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));

			return buttonGroup;
		}

		private GuiWidget CreateActionDropDown(ThemeConfig theme, OperationGroup operationGroup)
		{
			var buttonGroup = new FlowLayoutWidget();

			var defaultOperation = operationGroup.GetDefaultOperation();

			PopupMenuButton actionAndDropDown = null;
			actionAndDropDown = theme.CreateSplitButton(
				new SplitButtonParams()
				{
					Icon = defaultOperation.Icon(theme),
					ButtonAction = (menuButton) =>
					{
						defaultOperation.Action.Invoke(sceneContext);
					},
					ButtonTooltip = defaultOperation.HelpText ?? defaultOperation.Title,
					ButtonName = defaultOperation.Title,
					ExtendPopupMenu = (PopupMenu popupMenu) =>
					{
						foreach (var operation in operationGroup.Operations)
						{
							var operationMenu = popupMenu.CreateMenuItem(operation.Title, operation.Icon?.Invoke(theme));

							operationMenu.Enabled = operation.IsEnabled(sceneContext);
							operationMenu.ToolTipText = operation.Title;

							if (!operationMenu.Enabled
								&& !string.IsNullOrEmpty(operation.HelpText))
							{
								operationMenu.ToolTipText += "\n\n" + operation.HelpText;
							}

							operationMenu.Click += (s, e) => UiThread.RunOnIdle(() =>
							{
								if (defaultOperation != operation)
								{
									// Update button
									var iconButton = actionAndDropDown.Children.OfType<ThemedIconButton>().First();
									iconButton.SetIcon(operation.Icon(theme));
									iconButton.ToolTipText = operation.HelpText ?? operation.Title;

									if (!string.IsNullOrEmpty(operation.UiHint))
									{
										iconButton.MouseEnterBounds += (s1, e1) => iconButton.SetActiveUiHint(operation.UiHint);
									}

									UserSettings.Instance.set(operationGroup.GroupRecordId, operationGroup.Operations.IndexOf(operation).ToString());

									defaultOperation = operation;

									iconButton.Invalidate();
								}

								operation.Action?.Invoke(sceneContext);
							});
						}

						var expandMenuItem = popupMenu.CreateMenuItem("Expand".Localize(), StaticData.Instance.LoadIcon("expand_single.png", 8, 16).SetToColor(theme.TextColor));

						expandMenuItem.Click += (s, e) => UiThread.RunOnIdle(() =>
						{
							operationGroup.Collapse = false;
							DoWrappingLayout();
						});
					}
				},
				operationGroup);

			operationButtons.Add(actionAndDropDown, operationGroup);

			buttonGroup.AddChild(actionAndDropDown);
			buttonGroup.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));

			return buttonGroup;
		}

		public void NotifyResetView()
		{
			this.ResetView.Invoke(this, null);
		}

		public bool IsPrinterMode { get; }

		public ViewControls3DButtons ActiveButton
		{
			get => activeTransformState;
			set
			{
				this.activeTransformState = value;
				view3DWidget?.UpdateControlButtons(activeTransformState);
				TransformStateChanged?.Invoke(this, new TransformStateChangedEventArgs()
				{
					TransformMode = activeTransformState
				});
			}
		}

		internal void SetView3DWidget(View3DWidget view3DWidget)
		{
			this.view3DWidget = view3DWidget;

			bedMenuButton.DynamicPopupContent = () =>
			{
				var workspaceActions = ApplicationController.Instance.GetWorkspaceActions(view3DWidget);
				var menuTheme = ApplicationController.Instance.MenuTheme;
				var popupMenu = new PopupMenu(menuTheme);

				int thumbWidth = 45;
				var gutterWidth = thumbWidth + 7;

				popupMenu.CreateSubMenu("Open Recent".Localize(), menuTheme, (subMenu) =>
				{
					int maxItemWidth = 0;

					var recentFiles = new DirectoryInfo(ApplicationDataStorage.Instance.PlatingDirectory).GetFiles("*.mcx").OrderByDescending(f => f.LastWriteTime);
					foreach (var item in recentFiles.Where(f => f.Length > 215).Select(f => new FileSystemFileItem(f.FullName)).Take(12))
					{
						var imageBuffer = new ImageBuffer(thumbWidth, thumbWidth);

						var title = new FileInfo(item.FilePath).LastWriteTime.ToString("MMMM d h:mm tt");

						var bedHistory = subMenu.CreateMenuItem(title, imageBuffer);
						bedHistory.GutterWidth = gutterWidth;
						bedHistory.HAnchor = HAnchor.Fit;
						bedHistory.VAnchor = VAnchor.Absolute;
						bedHistory.Padding = new BorderDouble(gutterWidth + 3, 2, 12, 2);
						bedHistory.Height = thumbWidth + 3;
						bedHistory.Click += (s, e) =>
						{
							UiThread.RunOnIdle(async () =>
							{
								await ApplicationController.Instance.Tasks.Execute("Saving changes".Localize() + "...", sceneContext.Printer, sceneContext.SaveChanges);

								await sceneContext.LoadLibraryContent(item, null);

								if (sceneContext.Printer != null)
								{
									sceneContext.Printer.ViewState.ViewMode = PartViewMode.Model;
								}
							});
						};

						maxItemWidth = (int)Math.Max(maxItemWidth, bedHistory.Width);

						void UpdateImageBuffer(ImageBuffer thumbnail)
						{
							// Copy updated thumbnail into original image
							imageBuffer.CopyFrom(thumbnail);
							bedHistory.Invalidate();
						}

						ApplicationController.Instance.Library.LoadItemThumbnail(
							UpdateImageBuffer,
							(contentProvider) =>
							{
								if (contentProvider is MeshContentProvider meshContentProvider)
								{
									ApplicationController.Instance.Thumbnails.QueueForGeneration(async () =>
									{
										// Ask the MeshContentProvider to RayTrace the image
										var thumbnail = await meshContentProvider.GetThumbnail(item, thumbWidth, thumbWidth);
										if (thumbnail != null)
										{
											UpdateImageBuffer(thumbnail);
										}
									});
								}
							},
							item,
							ApplicationController.Instance.Library.PlatingHistory,
							thumbWidth,
							thumbWidth,
							menuTheme).ConfigureAwait(false);
					}

					// Resize menu items to max item width
					foreach (var menuItem in subMenu.Children)
					{
						menuItem.HAnchor = HAnchor.Left | HAnchor.Absolute;
						menuItem.Width = maxItemWidth;
					}
				});

				var actions = new NamedAction[]
				{
					new ActionSeparator(),
					workspaceActions["Edit"],
					new ActionSeparator(),
					workspaceActions["Print"],
					new ActionSeparator(),
					new NamedAction()
					{
						ID = "Export",
						Title = "Export".Localize(),
						Icon = StaticData.Instance.LoadIcon("cube_export.png", 16, 16).SetToColor(menuTheme.TextColor),
						Action = () =>
						{
							ApplicationController.Instance.ExportLibraryItems(
								new[] { new InMemoryLibraryItem(sceneContext.Scene) },
								centerOnBed: false,
								printer: view3DWidget.Printer);
						},
						IsEnabled = () => sceneContext.EditableScene
							|| (sceneContext.EditContext.SourceItem is ILibraryAsset libraryAsset
								&& string.Equals(Path.GetExtension(libraryAsset.FileName), ".gcode", StringComparison.OrdinalIgnoreCase))
					},
					new ActionSeparator(),
					new NamedAction()
					{
						ID = "ClearBed",
						Title = "Clear Bed".Localize(),
						Action = () =>
						{
							UiThread.RunOnIdle(() =>
							{
								view3DWidget.ClearPlate();
							});
						}
					}
				};

				menuTheme.CreateMenuItems(popupMenu, actions);

				return popupMenu;
			};
		}

		private void UndoBuffer_Changed(object sender, EventArgs e)
		{
			undoButton.Enabled = undoBuffer.UndoCount > 0;
			redoButton.Enabled = undoBuffer.RedoCount > 0;
		}

		private GuiWidget CreateOpenFileButton(GuiWidget openLibraryButton, ThemeConfig theme)
		{
			var popupMenu = new PopupMenuButton(openLibraryButton, theme)
			{
				Name = "Open File Button"
			};
			popupMenu.DistinctPopupButton = true;
			popupMenu.DrawArrow = true;
			openLibraryButton.Selectable = true;

			if (popupMenu.Children<ThemedButton>().FirstOrDefault() is ThemedButton simpleButton)
			{
				simpleButton.Padding = 0;
			};

			var openMenuItems = new PopupMenu(ApplicationController.Instance.MenuTheme);
			popupMenu.PopupContent = openMenuItems;

			var openFileButton = openMenuItems.CreateMenuItem("Add System File to Bed".Localize(), StaticData.Instance.LoadIcon("fa-folder-open_16.png", 16, 16).SetToColor(theme.TextColor));

			openFileButton.Click += (s, e) =>
            {
                ApplicationController.OpenFileWithSystemDialog((fileNames) =>
                {
					sceneContext.AddToPlate(fileNames);
				});
            };

			return popupMenu;
		}

        private void UpdateToolbarButtons(object sender, EventArgs e)
		{
			// Set enabled level based on operation rules
			foreach (var (button, operation) in operationButtons.Select(kvp => (kvp.Key, kvp.Value)))
			{
				button.Enabled = operation.IsEnabled?.Invoke(sceneContext) ?? false;
                button.MouseEnterBounds += (s, e) => button.SetActiveUiHint(operation.Title);
				button.ToolTipText = operation.Title;
				if (!button.Enabled
					&& !string.IsNullOrEmpty(operation.HelpText))
				{
					button.ToolTipText += "\n\n" + operation.HelpText;
				}

				if (operation is OperationGroup operationGroup
					&& button is PopupMenuButton splitButton
					&& button.Descendants<ThemedIconButton>().FirstOrDefault() is ThemedIconButton iconButton)
				{
					var defaultOperation = operationGroup.GetDefaultOperation();
					iconButton.Enabled = defaultOperation.IsEnabled(sceneContext);
					iconButton.ToolTipText = defaultOperation.Title;

					if (!iconButton.Enabled
						&& !string.IsNullOrEmpty(defaultOperation.HelpText))
					{
						iconButton.ToolTipText += "\n\n" + defaultOperation.HelpText;
					}
				}
			}
		}

		private GuiWidget CreateOpenLibraryButton(ISceneContext sceneContext, ThemeConfig theme)
		{
			var openColor = theme.ResolveColor(theme.BackgroundColor, theme.SlightShade);

			PopupMenuButton libraryPopup = null;
			libraryPopup = new PopupMenuButton("Add to Bed".Localize(), StaticData.Instance.LoadIcon("fa-folder-open_16.png", 16, 16).SetToColor(theme.TextColor), theme)
			{
				MakeScrollable = false,
				Name = "Add Content Menu",
				AlwaysKeepOpen = true,
				DynamicPopupContent = () =>
				{
					if (mainViewWidget == null)
					{
						mainViewWidget = this.Parents<MainViewWidget>().FirstOrDefault();
					}

					var verticalResizeContainer = new VerticalResizeContainer(theme, GrabBarSide.Right)
					{
						BackgroundColor = openColor,
						MinimumSize = new Vector2(120, 50),
						Height = libraryPopup.TransformToScreenSpace(libraryPopup.Position).Y,
						SplitterBarColor = theme.SlightShade,
					};

					double.TryParse(UserSettings.Instance.get(UserSettingsKey.PopupLibraryWidth), out double controlWidth);
					if (controlWidth == 0)
					{
						controlWidth = 400;
					}

					verticalResizeContainer.Width = controlWidth;

					verticalResizeContainer.BoundsChanged += (s2, e2) =>
					{
						UserSettings.Instance.set(UserSettingsKey.PopupLibraryWidth, verticalResizeContainer.Width.ToString());
					};

					var systemWindow = this.Parents<SystemWindow>().FirstOrDefault();

					// Compute slight highlight of openColor for use as listView background color
					var slightHighlight = theme.ResolveColor(openColor, Color.White.WithAlpha(theme.IsDarkTheme ? 10 : 50));

					var popupLibraryWidget = new PopupLibraryWidget(mainViewWidget, workspace, theme, slightHighlight, libraryPopup)
					{
						HAnchor = HAnchor.Stretch,
						VAnchor = VAnchor.Absolute,
						Height = libraryPopup.TransformToScreenSpace(libraryPopup.Position).Y,
						Margin = new BorderDouble(left: verticalResizeContainer.SplitterWidth)
					};

					systemWindow.SizeChanged += (s, e) =>
					{
						popupLibraryWidget.Height = libraryPopup.TransformToScreenSpace(libraryPopup.Position).Y;
					};

					verticalResizeContainer.AddChild(popupLibraryWidget);

					systemWindow.MouseDown += SystemWindownMouseDown;

					void SystemWindownMouseDown(object s2, MouseEventArgs mouseEvent)
					{
						if (verticalResizeContainer.Parent != null)
						{
							// MouseUp on our SystemWindow outside of our bounds should call close
							var resizeContainerMousePosition = verticalResizeContainer.TransformFromScreenSpace(mouseEvent.Position);
							bool mouseUpOnWidget = resizeContainerMousePosition.X >= 0 && resizeContainerMousePosition.X <= verticalResizeContainer.Width
								&& resizeContainerMousePosition.Y >= 0 && resizeContainerMousePosition.Y <= verticalResizeContainer.Height;

							if (!mouseUpOnWidget)
							{
								libraryPopup.CloseMenu();
								systemWindow.MouseDown -= SystemWindownMouseDown;
							}
						}
						else
						{
							systemWindow.MouseDown -= SystemWindownMouseDown;
						}
					}

					return verticalResizeContainer;
				},
				BackgroundColor = theme.ToolbarButtonBackground,
				HoverColor = theme.ToolbarButtonHover,
				MouseDownColor = theme.ToolbarButtonDown,
				OpenColor = openColor,
				// DrawArrow = true,
				Margin = 0,
				PopupBorderColor = Color.Transparent,
				PopupHAnchor = HAnchor.Fit,
				PopupVAnchor = VAnchor.Fit
			};

			return libraryPopup;
		}

		private GuiWidget CreateSupportButton(ThemeConfig theme)
		{
			PopupMenuButton toggleSupportButton = null;

			var minimumSupportHeight = .05;
			if (sceneContext.Printer != null)
			{
				minimumSupportHeight = sceneContext.Printer.Settings.GetValue<double>(SettingsKey.layer_height) / 2;
			}

			toggleSupportButton = new PopupMenuButton(StaticData.Instance.LoadIcon("edit_support.png", 16, 16).SetToColor(theme.TextColor), theme)
			{
				Name = "Support SplitButton",
				ToolTipText = "Generate Support".Localize(),
				DynamicPopupContent = () => new GenerateSupportPanel(AppContext.MenuTheme, sceneContext.Scene, minimumSupportHeight),
				PopupHAnchor = HAnchor.Fit,
				PopupVAnchor = VAnchor.Fit,
				MakeScrollable = false,
				BackgroundColor = theme.ToolbarButtonBackground,
				HoverColor = theme.ToolbarButtonHover,
				MouseDownColor = theme.ToolbarButtonDown,
				DrawArrow = true,
				Margin = theme.ButtonSpacing,
			};

			return toggleSupportButton;
		}

		private GuiWidget CreateSaveButton(ThemeConfig theme)
		{
			return theme.CreateSplitButton(new SplitButtonParams()
			{
				ButtonText = "Save".Localize(),
				ButtonName = "Save",
				Icon = StaticData.Instance.LoadIcon("save_grey_16x.png", 16, 16).SetToColor(theme.TextColor),
				ButtonAction = (menuButton) =>
				{
					ApplicationController.Instance.Tasks.Execute("Saving".Localize(), sceneContext.Printer, async (progress, cancellationToken) =>
					{
						menuButton.Enabled = false;

						if (sceneContext.EditContext.ContentStore == null)
						{
							UiThread.RunOnIdle(() =>
							{
								// we need to ask for a destination
								DialogWindow.Show(
									new SaveAsPage(
										(container, newName) =>
										{
											sceneContext.SaveAs(container, newName);
										}));
							});
						}
						else
						{
							try
							{
								await sceneContext.SaveChanges(progress, cancellationToken);
							}
							catch (Exception ex)
							{
								ApplicationController.Instance.LogError("Error saving file".Localize() + ": " + ex.Message);
							}
						}

						menuButton.Enabled = true;
					}).ConfigureAwait(false);
				},
				ExtendPopupMenu = (PopupMenu popupMenu) =>
				{
					var saveAs = popupMenu.CreateMenuItem("Save As".Localize());
					saveAs.Click += (s, e) => UiThread.RunOnIdle(() =>
					{
						DialogWindow.Show(
							new SaveAsPage(
								(container, newName) =>
								{
									sceneContext.SaveAs(container, newName);
								}));
					});
					var export = popupMenu.CreateMenuItem("Export".Localize(), StaticData.Instance.LoadIcon("cube_export.png", 16, 16).SetToColor(theme.TextColor));
					export.Click += (s, e) => UiThread.RunOnIdle(() =>
					{
						ApplicationController.Instance.ExportLibraryItems(
							new[] { new InMemoryLibraryItem(sceneContext.Scene) },
							centerOnBed: false,
							printer: view3DWidget.Printer);
					});
				}
			});
		}

		public override void OnClosed(EventArgs e)
		{
			// Unregister listeners
			undoBuffer.Changed -= UndoBuffer_Changed;
			sceneContext.Scene.SelectionChanged -= UpdateToolbarButtons;
			sceneContext.Scene.Children.ItemsModified -= UpdateToolbarButtons;

			base.OnClosed(e);
		}
	}
}