/// <summary>
/// Unbinds the specified gesture.
/// </summary>
/// <param name="gesture">The gesture to unbind.</param>
public virtual void Unbind(OxyInputGesture gesture)
{
// ReSharper disable once RedundantNameQualifier
foreach (var icb in this.InputCommandBindings.Where(icb => icb.Gesture.Equals(gesture)).ToArray())
{
this.InputCommandBindings.Remove(icb);
}
}
/// <summary>
/// Gets the command for the specified <see cref="OxyInputGesture" />.
/// </summary>
/// <param name="gesture">The input gesture.</param>
/// <returns>A command.</returns>
protected virtual IViewCommand GetCommand(OxyInputGesture gesture)
{
var binding = this.InputCommandBindings.FirstOrDefault(b => b.Gesture.Equals(gesture));
if (binding == null)
{
return(null);
}
return(binding.Command);
}
/// <summary>
/// Binds the specified command to the specified gesture. Removes old bindings to the gesture.
/// </summary>
/// <param name="gesture">The gesture.</param>
/// <param name="command">The command. If <c>null</c>, the binding will be removed.</param>
/// <remarks>This method was created to avoid calling a virtual method in the constructor.</remarks>
protected void BindCore(OxyInputGesture gesture, IViewCommand command)
{
var current = this.InputCommandBindings.FirstOrDefault(icb => icb.Gesture.Equals(gesture));
if (current != null)
{
this.InputCommandBindings.Remove(current);
}
if (command != null)
{
this.InputCommandBindings.Add(new InputCommandBinding(gesture, command));
}
}
/// <summary>
/// Handles the specified gesture.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="gesture">The gesture.</param>
/// <param name="args">The <see cref="OxyInputEventArgs" /> instance containing the event data.</param>
/// <returns><c>true</c> if the event was handled.</returns>
public virtual bool HandleGesture(IView view, OxyInputGesture gesture, OxyInputEventArgs args)
{
var command = this.GetCommand(gesture);
return(this.HandleCommand(command, view, args));
}