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@bolthar
Created November 30, 2009 10:52
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using System.Windows;
namespace WpfApplication1
{
public partial class App : Application
{
protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
var viewmodel = new TestViewModel(new TestWindow());
viewmodel.show();
}
}
}
using WpfApplication1;
namespace WpfApplication1
{
public class DummyCommand : ICommandHost<object>
{
private TestDataModel _model;
public DummyCommand(TestDataModel model)
{
_model = model;
}
public void Execute(object param)
{
_model.Value = "Clicked!";
}
public bool CanExecute(object param)
{
return true;
}
}
}
namespace WpfApplication1
{
public interface ICommandHost<T>
{
void Execute(T param);
bool CanExecute(T param);
}
}
using System.ComponentModel;
namespace WpfApplication1
{
public class TestDataModel : INotifyPropertyChanged
{
private string _value;
public string Value
{
get { return _value; }
set
{
if (_value != value)
{
_value = value;
if(PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs("Value"));
}
}
}
public event PropertyChangedEventHandler PropertyChanged;
}
}
using System;
using System.Windows.Controls.Primitives;
using Microsoft.Practices.Composite.Wpf.Commands;
using WpfApplication1;
namespace WpfApplication1
{
public class TestViewModel
{
private TestWindow _view;
public TestViewModel(TestWindow view)
{
_view = view;
_view.DataContext = new TestDataModel();
foreach (ButtonBase control in _view.GetCommands())
{
create_command(control);
}
}
private void create_command(ButtonBase control)
{
Type command_host_type = Type.GetType(string.Format("WpfApplication1.{0}Command", control.Name));
ICommandHost<object> command_host = (ICommandHost<object>)Activator.CreateInstance(command_host_type, new[] { _view.DataContext });
DelegateCommand<object> command = new DelegateCommand<object>(command_host.Execute, command_host.CanExecute);
control.Command = command;
}
public void show()
{
_view.Show();
}
}
}
<Window x:Class="WpfApplication1.TestWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="TestWindow" Height="300" Width="300">
<StackPanel>
<Button Name="Dummy">
Dummy command
</Button>
<TextBox Text="{Binding Path=Value}"></TextBox>
</StackPanel>
</Window>
using System.Collections;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls.Primitives;
namespace WpfApplication1
{
public partial class TestWindow : Window
{
public TestWindow()
{
InitializeComponent();
}
public IEnumerable GetCommands()
{
//dummy
return new List<ButtonBase> {Dummy};
}
}
}
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