mattercontrol/MatterControlLib/PartPreviewWindow/View3D/Actions/SheetEditor.cs

/*
Copyright (c) 2018, 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
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*/

using System;
using System.Collections.Generic;
using MatterHackers.Agg;
using MatterHackers.Agg.UI;
using MatterHackers.MatterControl.PartPreviewWindow;
using MatterHackers.DataConverters3D;
using MatterHackers.Localizations;

namespace MatterHackers.MatterControl.DesignTools
{
	public class SheetEditor : IObject3DEditor
	{
		public class SheetEditorWidget : FlowLayoutWidget
		{
			private SheetObject3D sheetObject;
			private SheetData sheetData;
			Point2D selectedCell = new Point2D(-1, -1);
			Dictionary<(int, int), GuiWidget> CellWidgetsByLocation = new Dictionary<(int, int), GuiWidget>();
			private ThemeConfig theme;
			private MHTextEditWidget editSelectedName;
			private MHTextEditWidget editSelectedExpression;

			public SheetEditorWidget(IObject3D item, UndoBuffer undoBuffer, ThemeConfig theme)
				: base(FlowDirection.TopToBottom)
			{
				this.theme = theme;
				HAnchor = HAnchor.MaxFitOrStretch;

				sheetObject = item as SheetObject3D;
				sheetData = sheetObject.SheetData;
				var countWidth = 10 * GuiWidget.DeviceScale;
				var cellWidth = 50 * GuiWidget.DeviceScale;

				// put in the edit row
				var editSelectionGroup = this.AddChild(new FlowLayoutWidget()
				{
					HAnchor = HAnchor.Stretch,
					VAnchor = VAnchor.Fit,
				});

				editSelectedName = new MHTextEditWidget("", theme, cellWidth, messageWhenEmptyAndNotSelected: "Name".Localize())
				{
					HAnchor = HAnchor.Absolute,
					SelectAllOnFocus = true,
				};
				editSelectedName.ActualTextEditWidget.EditComplete += ActualTextEditWidget_EditComplete;
				editSelectionGroup.AddChild(editSelectedName);
				editSelectedExpression = new MHTextEditWidget("", theme, messageWhenEmptyAndNotSelected: "Select cell to edit".Localize())
				{
					HAnchor = HAnchor.Stretch,
					SelectAllOnFocus = true,
				};
				editSelectionGroup.AddChild(editSelectedExpression);
				editSelectedExpression.ActualTextEditWidget.EditComplete += ActualTextEditWidget_EditComplete1;

				// put in the header row
				var topRow = this.AddChild(new FlowLayoutWidget()
				{
					HAnchor = HAnchor.Stretch,
					VAnchor = VAnchor.Fit,
				});


				topRow.AddChild(new GuiWidget(cellWidth, 1));
				for (int x = 0; x < sheetData.Width; x++)
				{
					topRow.AddChild(new TextWidget(((char)('A' + x)).ToString())
					{
						HAnchor = HAnchor.Stretch,
						TextColor = theme.TextColor
					});
				}

				for (int y = 0; y < sheetData.Height; y++)
				{
					var row = new FlowLayoutWidget()
					{
						HAnchor = HAnchor.Stretch,
						VAnchor = VAnchor.Fit,
					};
					this.AddChild(row);

					// add row count
					row.AddChild(new TextWidget((y + 1).ToString())
					{
						TextColor = theme.TextColor,
					});

					for (int x = 0; x < sheetData.Width; x++)
					{
						var capturedX = x;
						var capturedY = y;

						var edit = new MHTextEditWidget(sheetData[x, y].Expression, theme)
						{
							HAnchor = HAnchor.Stretch,
							SelectAllOnFocus = true,
						};

						CellWidgetsByLocation.Add((capturedX, capturedY), edit);

						edit.MouseDown += (s, e) => SelectCell(capturedX, capturedY);

						row.AddChild(edit);
						edit.ActualTextEditWidget.EditComplete += (s, e) =>
						{
							editSelectedExpression.Text = edit.Text;
							sheetData[capturedX, capturedY].Expression = edit.Text;
							Recalculate();
						};
					}
				}
			}

			private void ActualTextEditWidget_EditComplete1(object sender, EventArgs e)
			{
				if (selectedCell.x == -1)
				{
					return;
				}

				sheetData[selectedCell.x, selectedCell.y].Expression = editSelectedExpression.Text;
				CellWidgetsByLocation[(selectedCell.x, selectedCell.y)].Text = editSelectedExpression.Text;
			}

			private void ActualTextEditWidget_EditComplete(object sender, EventArgs e)
			{
				if (selectedCell.x == -1)
				{
					return;
				}

				sheetData[selectedCell.x, selectedCell.y].Name = editSelectedName.Text;
			}
			private void SelectCell(int x, int y)
			{
				if (selectedCell.x != -1)
				{
					CellWidgetsByLocation[(selectedCell.x, selectedCell.y)].BorderColor = Color.Transparent;
				}
				selectedCell.x = x;
				selectedCell.y = y;
				CellWidgetsByLocation[(selectedCell.x, selectedCell.y)].BorderColor = theme.PrimaryAccentColor;
				editSelectedExpression.Text = sheetData[x, y].Expression;
				if (string.IsNullOrEmpty(sheetData[x, y].Name))
				{
					editSelectedName.Text = $"{(char)('A' + x)}{y + 1}";
				}
				else
				{
					editSelectedName.Text = sheetData[x, y].Name;
				}
			}

			private void Recalculate()
			{
				sheetObject.Invalidate(InvalidateType.SheetUpdated);
			}
		}

		string IObject3DEditor.Name => "Sheet Editor";

		IEnumerable<Type> IObject3DEditor.SupportedTypes() => new[] { typeof(SheetObject3D) };

		public GuiWidget Create(IObject3D item, UndoBuffer undoBuffer, ThemeConfig theme)
		{
			return new SheetEditorWidget(item, undoBuffer, theme);
		}
	}
}