[longomatch: 6/7] Add missing file

[Andoni Morales Alastruey <amorales src gnome org>]

commit f50c274a703a8faff982eeb6fedf19bc24f99e75
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Sun Feb 6 13:50:37 2011 +0100

    Add missing file

 LongoMatch/Gui/Component/CategoriesScale.cs |   95 +++++++++++++++++++++++++++
 1 files changed, 95 insertions(+), 0 deletions(-)
---
diff --git a/LongoMatch/Gui/Component/CategoriesScale.cs b/LongoMatch/Gui/Component/CategoriesScale.cs
new file mode 100644
index 0000000..111c284
--- /dev/null
+++ b/LongoMatch/Gui/Component/CategoriesScale.cs
@@ -0,0 +1,95 @@
+// 
+//  Copyright (C) 2011 Andoni Morales Alastruey
+// 
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+// 
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//  GNU General Public License for more details.
+//  
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+// 
+using System;
+using Cairo;
+using Gtk;
+using Gdk;
+using Pango;
+using LongoMatch.Common;
+using LongoMatch.TimeNodes;
+using LongoMatch.DB;
+
+namespace LongoMatch.Gui.Component
+{
+	public class CategoriesScale: Gtk.DrawingArea
+	{
+		private const int SECTION_HEIGHT = 30;
+		private const int SECTION_WIDTH = 100;
+		private const int LINE_WIDTH = 2;
+		private double scroll;
+		Pango.Layout layout;
+		
+		[System.ComponentModel.Category("LongoMatch")]
+		[System.ComponentModel.ToolboxItem(true)]
+		public CategoriesScale ()
+		{
+			layout =  new Pango.Layout(PangoContext);
+			layout.Wrap = Pango.WrapMode.Char;
+			layout.Alignment = Pango.Alignment.Left;
+		}
+		
+		public Sections Categories {
+			get;
+			set;
+		}	
+		
+		public double Scroll {
+			get	{
+				return scroll;
+			}
+			set {
+				scroll = value;
+				QueueDraw();
+			}
+		}
+		
+		private void DrawCairoText (string text, int x1, int y1) {
+			layout.Width = Pango.Units.FromPixels(SECTION_WIDTH - 2);
+			layout.Ellipsize = EllipsizeMode.End;
+			layout.SetMarkup(text);
+			GdkWindow.DrawLayout(Style.TextGC(StateType.Normal),
+			                     x1 + 2, y1 ,layout);
+		}
+		
+		private void DrawCategories(Gdk.Window win) {
+			int i = 0;
+			
+			if (Categories == null)
+				return;
+			
+			using(Cairo.Context g = Gdk.CairoHelper.Create(win)) {
+				foreach (SectionsTimeNode cat in Categories.SectionsTimeNodes) {
+					int y = LINE_WIDTH/2 + i * SECTION_HEIGHT - (int)Scroll;
+					CairoUtils.DrawRoundedRectangle (g, 2, y + 3 , Allocation.Width - 3,
+					                                 SECTION_HEIGHT - 3, SECTION_HEIGHT/7,
+					                                 CairoUtils.RGBToCairoColor(cat.Color), 
+					                                 CairoUtils.RGBToCairoColor(cat.Color)); 
+					DrawCairoText (cat.Name, 0 + 3, y + SECTION_HEIGHT / 2 - 5);
+					i++;
+				}
+			}
+		}
+		
+		protected override bool OnExposeEvent(EventExpose evnt)
+		{
+			DrawCategories(evnt.Window);
+			return base.OnExposeEvent(evnt);
+		}
+	}
+}
+