[longomatch/redesign2: 110/140] Add tree view for subcategories

[Andoni Morales Alastruey <amorales src gnome org>]

commit 6805aa00f4bf094b84216230231ba2d9ba92b0df
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Sat Apr 9 16:43:16 2011 +0200

    Add tree view for subcategories

 LongoMatch/Gui/TreeView/SubCategoriesTreeView.cs |  112 ++++++++++++++++++++++
 1 files changed, 112 insertions(+), 0 deletions(-)
---
diff --git a/LongoMatch/Gui/TreeView/SubCategoriesTreeView.cs b/LongoMatch/Gui/TreeView/SubCategoriesTreeView.cs
new file mode 100644
index 0000000..fbc180a
--- /dev/null
+++ b/LongoMatch/Gui/TreeView/SubCategoriesTreeView.cs
@@ -0,0 +1,112 @@
+// 
+//  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 Gtk;
+using Gdk;
+
+using LongoMatch.Interfaces;
+
+namespace LongoMatch.Gui
+{
+
+	[System.ComponentModel.Category("LongoMatch")]
+	[System.ComponentModel.ToolboxItem(true)]
+	public class SubCategoriesTreeView: TreeView
+	{
+		private Menu menu;
+		private TreeIter selectedIter;
+		
+		public SubCategoriesTreeView ()
+		{	
+			this.HeadersVisible = false;
+
+			ListStore ls = new ListStore(typeof(ISubCategory));
+			this.Model = ls;
+
+			TreeViewColumn subcatColumn = new Gtk.TreeViewColumn();
+			CellRendererText subcatCell = new Gtk.CellRendererText();
+			
+			subcatColumn.PackStart(subcatCell, true);
+			subcatColumn.SetCellDataFunc(subcatCell, new Gtk.TreeCellDataFunc(RenderSubcat));
+			this.AppendColumn(subcatColumn);
+			
+			SetMenu();
+		}
+		
+		protected void OnEdit(object obj, EventArgs args) {
+		}
+
+		protected void OnRemove(object obj, EventArgs args) {
+			(Model as ListStore).Remove(ref selectedIter);
+		}
+		
+		private void RenderSubcat(Gtk.TreeViewColumn column, Gtk.CellRenderer cell, Gtk.TreeModel model, Gtk.TreeIter iter)
+		{
+			var subcat = (ISubCategory)model.GetValue(iter, 0);
+			(cell as Gtk.CellRendererText).Markup = subcat.ToMarkupString();
+		}
+		
+		private void SetMenu() {
+			Gtk.Action edit, rmv;
+			UIManager manager;
+			ActionGroup g;
+
+			manager= new UIManager();
+			g = new ActionGroup("SubCategoriesMenuGroup");
+
+			edit = new Gtk.Action("EditAction", 
+			                      Mono.Unix.Catalog.GetString("Edit name"),
+			                      null, "gtk-edit");
+			rmv = new Gtk.Action("RemoveAction", 
+			                        Mono.Unix.Catalog.GetString("Remove sub-category"), 
+			                        null, "gtk-remove");
+			
+			g.Add(edit, null);
+			g.Add(rmv, null);
+
+			manager.InsertActionGroup(g,0);
+
+			manager.AddUiFromString("<ui>"+
+			                        "  <popup action='CategoriesMenu'>"+
+			                        "    <menuitem action='EditAction'/>"+
+			                        "    <menuitem action='RemoveAction'/>"+
+			                        "  </popup>"+
+			                        "</ui>");
+
+			menu = manager.GetWidget("/CategoriesMenu") as Menu;
+
+			edit.Activated += OnEdit;
+			rmv.Activated += OnRemove;
+		}
+		
+		protected override bool OnButtonPressEvent(EventButton evnt)
+		{
+			if((evnt.Type == EventType.ButtonPress) && (evnt.Button == 3))
+			{
+				TreePath path;
+				GetPathAtPos((int)evnt.X,(int)evnt.Y,out path);
+				if(path!=null) {
+					Model.GetIter(out selectedIter,path);
+					menu.Popup();
+				}
+			}
+			return base.OnButtonPressEvent(evnt);
+		}
+	}
+}
+