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using System;
using Xwt;
using Xwt.Engine;
using Xwt.Backends;
namespace Xwt.GtkBackend
{
public class ExpanderBackend : WidgetBackend, IExpanderBackend
{
public ExpanderBackend ()
{
Widget = new Gtk.Expander (string.Empty);
Widget.Show ();
}
protected new Gtk.Expander Widget {
get { return (Gtk.Expander)base.Widget; }
set { base.Widget = value; }
}
protected new IExpandEventSink EventSink {
get { return (IExpandEventSink)base.EventSink; }
}
public string Label {
get {
return Widget.Label;
}
set {
Widget.Label = value;
}
}
public bool Expanded {
get {
return Widget.Expanded;
}
set {
Widget.Expanded = value;
}
}
public void SetContent (IWidgetBackend child)
{
Widget.Child = GetWidget (child);
}
public override void EnableEvent (object eventId)
{
base.EnableEvent (eventId);
if (eventId is ExpandEvent) {
if ((ExpandEvent)eventId == ExpandEvent.ExpandChanged)
Widget.Activated += HandleExpandedChanged;
}
}
public override void DisableEvent (object eventId)
{
base.DisableEvent (eventId);
if (eventId is ExpandEvent) {
if ((ExpandEvent)eventId == ExpandEvent.ExpandChanged)
Widget.Activated += HandleExpandedChanged;
}
}
void HandleExpandedChanged (object sender, EventArgs e)
{
Toolkit.Invoke (delegate {
EventSink.ExpandChanged ();
});
}
}
}
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