pal-edit.cs

using System;
using System.Collections.Generic;
using Eto;
using Eto.Forms;
using Eto.Drawing;

namespace ShpSharp
{
	public class PalEditorForm : Form
	{
		public readonly Drawable Drawable;

		public PalEditorForm()
		{
			Title = "Palette Editor";
			ClientSize = new Size(400, 300);

			Drawable = new Drawable();
			Drawable.Paint += HandlePaint;
			Drawable.Visible = true;

			#region Open files
			var openFileDlg = new OpenFileDialog
			{
				CheckFileExists = true,
				MultiSelect = false,
				Directory = new Uri(EtoEnvironment.GetFolderPath(EtoSpecialFolder.ApplicationResources))
			};

			var openFileCmd = new Command
			{
				MenuText = "Open Pal...",
				ToolBarText = "Open Pal",
				ToolTip = "Open a palette for editing",
				Shortcut = Application.Instance.CommonModifier | Keys.O
			};
			openFileCmd.Executed += (sender, e) =>
			{
				var result = openFileDlg.ShowDialog(this);
				if (result == DialogResult.Cancel)
					return;

				var file = openFileDlg.FileName;
				MessageBox.Show(this, "TODO: Open pal: " + file);
			};
			#endregion

			var newPalCmd = new Command
			{
				MenuText = "New Pal",
				ToolBarText = "New Pal",
				ToolTip = "Create a new palette",
			};
			newPalCmd.Executed += (sender, e) =>
			{
				Debug.WriteLine("newPalCmd");
				//palette = new PaletteData();
				//palette.Entries = new PaletteEntry[256];
				Drawable.Invalidate();
			};

			var invalidateBtn = new Button
			{
				Text = "Invalidate Drawable",
				Visible = true,
			};
			invalidateBtn.Click += (sender, e) => Drawable.Invalidate();

			ToolBar = new ToolBar
			{
				Items =
				{
					openFileCmd,
					newPalCmd
				}
				};

			var layout = new TableLayout
				(
					new TableRow(Drawable) { ScaleHeight = true },
					invalidateBtn
				);

			Content = layout;
		}

		void HandlePaint(object sender, PaintEventArgs e)
		{
			Debug.WriteLine("HandlePaint from " + sender.ToString());
			var g = e.Graphics;
			g.DrawPolygon(Colors.Blue, new []
			{
				new PointF(10, 10),
				new PointF(50, 10),
				new PointF(50, 50),
				new PointF(10, 10),
			});
		}

		IEnumerable<FileDialogFilter> GetFilters()
		{
			yield return new FileDialogFilter("Palettes (.pal)", "pal");
		}
	}
}