rainmeter-studio/RainmeterEditor/UI/Command.cs

89 lines
2.5 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Input;
using System.Windows.Media;
namespace RainmeterEditor.UI
{
public class Command : ICommand
{
#region Private members
private Action<object> _execute;
private Func<object, bool> _canExecute;
private Action _executeNoParam;
private Func<bool> _canExecuteNoParam;
#endregion
#region Public properties
public string Name { get; set; }
public string DisplayText { get; set; }
public string Tooltip { get; set; }
public ImageSource Icon { get; set; }
public KeyGesture Shortcut { get; set; }
public string ShortcutText
{
get
{
string text = String.Empty;
if ((Shortcut.Modifiers & ModifierKeys.Windows) != 0)
text += "Win+";
if ((Shortcut.Modifiers & ModifierKeys.Control) != 0)
text += "Ctrl+";
if ((Shortcut.Modifiers & ModifierKeys.Alt) != 0)
text += "Alt+";
if ((Shortcut.Modifiers & ModifierKeys.Shift) != 0)
text += "Shift+";
text += Enum.GetName(typeof(Key), Shortcut.Key);
return text;
}
}
#endregion
public event EventHandler CanExecuteChanged;
public Command(string name = null, Action<object> execute = null, Func<object, bool> canExecute = null)
{
Name = name;
_execute = execute;
_canExecute = canExecute;
}
public Command(string name = null, Action execute = null, Func<bool> canExecute = null)
{
Name = name;
_executeNoParam = execute;
_canExecuteNoParam = canExecute;
}
public virtual bool CanExecute(object parameter)
{
if (_canExecute != null)
return _canExecute(parameter);
else if (_canExecuteNoParam != null)
return _canExecuteNoParam();
return true;
}
public virtual void Execute(object parameter)
{
if (_execute != null)
_execute(parameter);
else if (_executeNoParam != null)
_executeNoParam();
}
}
}