public static ICommand <ReduceRequest> FindReduceCommand(this IViewModelMutable @this)
{
var node = @this;
while (node.Parent != null)
{
node = node.Parent;
}
return(((IViewModelRootMutable)node).ReduceCommand);
}
public static IViewModelMutable[] NodesFromRootToSelf(this IViewModelMutable @this)
{
var list = new List <IViewModelMutable>();
var node = @this;
while (node != null)
{
list.Add(node);
node = node.Parent;
}
list.Reverse();
return(list.ToArray());
}
public static void OnSet(this IViewModelMutable @this, IViewModelProperty property, object value)
{
PropertyChange[] changes;
{
var list = new List <PropertyChange>();
var node = @this;
var p = property;
var v = value;
while (node != null)
{
list.Add(new PropertyChange(node, p, v));
p = node.StateProperty;
v = node;
node = node.Parent;
}
list.Reverse();
changes = list.ToArray();
}
var request = new ReduceRequest(changes);
var root = (IViewModelRootMutable)(changes[0].ViewModel);
root.ReduceCommand.Execute(request);
}
/// <summary>Record Constructor</summary>
/// <param name="viewModel"><see cref="ViewModel"/></param>
/// <param name="property"><see cref="Property"/></param>
/// <param name="oldValue"><see cref="OldValue"/></param>
/// <param name="newValue"><see cref="NewValue"/></param>
public PropertyChange(IViewModelMutable viewModel, IViewModelProperty property, object newValue)
{
ViewModel = viewModel;
Property = property;
NewValue = newValue;
}
