public override bool Equals(object obj)
{
Node objNode = (Node)obj;
if (!Parent.Equals(objNode.Parent))
{
return(false);
}
if (!LeftChildren.Equals(objNode.LeftChildren))
{
return(false);
}
if (!RightChildren.Equals(objNode.RightChildren))
{
return(false);
}
return(true);
}
public MindMapRoot(string title, IEnumerable <XElement> content)
{
Title = title;
Content = new ReactiveList <XElement>(content);
var subscription = Children.Changed.Subscribe(x =>
{
using (var leftSupression = LeftChildren.SuppressChangeNotifications())
using (var rightSupression = RightChildren.SuppressChangeNotifications())
{
LeftChildren.Clear();
RightChildren.Clear();
int halfway = Children.Count / 2;
for (int i = 0; i < Children.Count; i++)
{
var mindMapElement = Children[i];
if (i <= halfway)
{
RightChildren.Add(mindMapElement);
}
else
{
LeftChildren.Add(mindMapElement);
}
}
}
});
_subscriptions.Add(subscription);
var hasSelectedItem = this.WhenAnyValue(x => x.SelectedElement).Select(x => x != null);
AddChild = ReactiveCommand.Create(DoAddChild);
DeleteChild = ReactiveCommand.Create(DoDeleteChild, hasSelectedItem);
var selectedElementDepth = this.WhenAnyValue(x => x.SelectedElement).Select(x => x?.Depth ?? -1);
var canPromote = selectedElementDepth.Select(x => x > 1);
PromoteSelectedElement = ReactiveCommand.Create(DoPromoteSelectedElement, canPromote);
var canDemote = this.WhenAnyValue(x => x.SelectedElement).Select(x =>
{
if (x == null)
{
return(false);
}
return(x.Index > 0 && x.Index < x.Parent.Children.Count - 1);
});
DemoteSelectedElement = ReactiveCommand.Create(DoDemoteSelectedElement, canDemote);
var selectedElementIndex = this.WhenAnyValue(x => x.SelectedElement).Select(x => x?.Index ?? -1);
var canMoveUp = selectedElementIndex.Select(x => x > 0);
MoveUpSelectedElement = ReactiveCommand.Create(DoMoveUpSelectedElement, canMoveUp);
var canMoveDown = selectedElementIndex.Select(x => x != -1 && SelectedElement.Parent.Children.Count > x);
MoveDownSelectedElement = ReactiveCommand.Create(DoMoveDownSelectedElement, canMoveDown);
}