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//
// ListBox.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2015 jp
//
// 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 3 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, see <http://www.gnu.org/licenses/>.
using System;
using System.Collections;
using System.Xml.Serialization;
using System.ComponentModel;
//TODO: implement ItemTemplate node in xml
using System.IO;
using System.Diagnostics;
namespace go
{
[DefaultTemplate("#go.Templates.Listbox.goml")]
//[DefaultTemplate("#go.Templates.ItemTemplate.goml")]
public class ListBox : TemplatedControl
{
Group _list;
public ListBox () : base()
{
}
#region implemented abstract members of TemplatedControl
protected override void loadTemplate (GraphicObject template = null)
{
base.loadTemplate (template);
_list = this.child.FindByName ("List") as Group;
}
#endregion
IList data;
int _selectedIndex;
string _itemTemplate;
[XmlAttributeAttribute][DefaultValue("#go.Templates.ItemTemplate.goml")]
public string ItemTemplate {
get { return _itemTemplate; }
set { _itemTemplate = value; }
}
public int SelectedIndex{
get { return _selectedIndex; }
set { _selectedIndex = value; }
}
public object SelectedItem{
get { return data[_selectedIndex]; }
}
[XmlAttributeAttribute][DefaultValue(null)]
public IList Data {
get {
return data;
}
set {
data = value;
foreach (GraphicObject c in _list.Children) {
c.ClearBinding ();
}
_list.Children.Clear ();
_list.registerForGraphicUpdate ();
if (data == null)
return;
#if DEBUG
Stopwatch loadingTime = new Stopwatch ();
loadingTime.Start ();
#endif
MemoryStream ms = new MemoryStream ();
using (Stream stream = Interface.GetStreamFromPath (ItemTemplate)) {
stream.CopyTo (ms);
}
Type t = Interface.GetTopContainerOfGOMLStream (ms);
foreach (var item in data) {
ms.Seek(0,SeekOrigin.Begin);
GraphicObject g = Interface.Load (ms, t, item);
g.MouseClick += itemClick;
_list.addChild(g);
}
ms.Dispose ();
#if DEBUG
loadingTime.Stop ();
Debug.WriteLine("Listbox Loading: {0} ticks \t, {1} ms",
loadingTime.ElapsedTicks,
loadingTime.ElapsedMilliseconds);
#endif
}
}
void itemClick(object sender, OpenTK.Input.MouseButtonEventArgs e){
NotifyValueChanged ("SelectedItem", (sender as GraphicObject).DataSource);
//Debug.WriteLine ((sender as GraphicObject).DataSource);
}
}
}
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