source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Charts/Navigation/Navigation/ChartCommands.cs @ 12503

using System.Windows.Input;

namespace Microsoft.Research.DynamicDataDisplay
{
  // TODO: probably optimize memory usage by replacing implicit creation of 
  // all commands on first usage of this class - 
  // create each command on first access directly to it.

  /// <summary>This class holds keyboard shortcuts to common viewport navigation commands</summary>
  public static class ChartCommands
  {

    #region Auxiliary code for creation of commands

    private static RoutedUICommand CreateCommand(string name)
    {
      return new RoutedUICommand(name, name, typeof(ChartCommands));
    }

    private static RoutedUICommand CreateCommand(string name, params Key[] keys)
    {
      InputGestureCollection gestures = new InputGestureCollection();
      foreach (var key in keys)
      {
        gestures.Add(new KeyGesture(key));
      }
      return new RoutedUICommand(name, name, typeof(ChartCommands), gestures);
    }

    private static RoutedUICommand CreateCommand(string name, params InputGesture[] gestures)
    {
      return new RoutedUICommand(name, name, typeof(ChartCommands), new InputGestureCollection(gestures));
    }

    #endregion

    private static readonly RoutedUICommand zoomWithParam = CreateCommand("ZoomWithParam");
    public static RoutedUICommand ZoomWithParameter
    {
      get { return zoomWithParam; }
    }

    private static readonly RoutedUICommand zoomIn = CreateCommand("ZoomIn", Key.OemPlus);
    public static RoutedUICommand ZoomIn
    {
      get { return zoomIn; }
    }

    private static readonly RoutedUICommand zoomOut = CreateCommand("ZoomOut", Key.OemMinus);
    public static RoutedUICommand ZoomOut
    {
      get { return zoomOut; }
    }

    private static readonly RoutedUICommand fitToView = CreateCommand("FitToView", Key.Home);
    public static RoutedUICommand FitToView
    {
      get { return ChartCommands.fitToView; }
    }

    private static readonly RoutedUICommand scrollLeft = CreateCommand("ScrollLeft", Key.Left);
    public static RoutedUICommand ScrollLeft
    {
      get { return ChartCommands.scrollLeft; }
    }

    private static readonly RoutedUICommand scrollRight = CreateCommand("ScrollRight", Key.Right);
    public static RoutedUICommand ScrollRight
    {
      get { return ChartCommands.scrollRight; }
    }

    private static readonly RoutedUICommand scrollUp = CreateCommand("ScrollUp", Key.Up);
    public static RoutedUICommand ScrollUp
    {
      get { return ChartCommands.scrollUp; }
    }

    private static readonly RoutedUICommand scrollDown = CreateCommand("ScrollDown", Key.Down);
    public static RoutedUICommand ScrollDown
    {
      get { return ChartCommands.scrollDown; }
    }

    private static readonly RoutedUICommand saveScreenshot = CreateCommand("SaveScreenshot", new KeyGesture(Key.S, ModifierKeys.Control));
    public static RoutedUICommand SaveScreenshot
    {
      get { return ChartCommands.saveScreenshot; }
    }

    private static readonly RoutedUICommand copyScreenshot = CreateCommand("CopyScreenshot", Key.F11);
    public static RoutedUICommand CopyScreenshot
    {
      get { return ChartCommands.copyScreenshot; }
    }

    private static readonly RoutedUICommand showHelp = CreateCommand("ShowHelp", Key.F1);
    public static RoutedUICommand ShowHelp
    {
      get { return ChartCommands.showHelp; }
    }
  }
}