ardupilot/archive/Configurator/Configurator.Net/Views/ViewCommon.cs

50 lines
1.4 KiB
C#

using System;
using System.ComponentModel;
using System.Windows.Forms;
using ArducopterConfigurator.PresentationModels;
namespace ArducopterConfigurator.Views
{
// cannot be abstract due to vs2008 designer
public class ViewCommon<T> : UserControl, IView<T> where T : IPresentationModel, INotifyPropertyChanged
{
public virtual void SetDataContext(T vm)
{
}
protected void BindButtons(T vm)
{
foreach (var c in this.Controls)
if (c is Button)
(c as Button).Click += btn_Click;
vm.PropertyChanged += CheckCommandStates;
}
protected void btn_Click(object sender, EventArgs e)
{
var cmd = (sender as Button).Tag as ICommand;
if (cmd != null)
if (cmd.CanExecute(null))
cmd.Execute(null);
}
void CheckCommandStates(object sender, PropertyChangedEventArgs e)
{
foreach (var c in this.Controls)
{
var btn = c as Button;
if (btn == null) continue;
var cmd = btn.Tag as ICommand;
if (cmd != null)
btn.Enabled = cmd.CanExecute(null);
}
}
public Control Control
{
get { return this; }
}
}
}