public ExpressionNodeDataViewModel(ExpressionNodeData model, List <ExpressionNodeDataViewModel> allNodes, ICommand?openInNewWindow = null, RelayCommand?copyWatchExpression = null) : base(model)
{
if (model.EnableValueInNewWindow)
{
OpenInNewWindow = openInNewWindow;
}
CopyWatchExpression = copyWatchExpression;
Children = model.Children.Select(x => {
var vm = new ExpressionNodeDataViewModel(x, allNodes, openInNewWindow, CopyWatchExpression);
allNodes.Add(vm);
return(vm);
}).ToList();
}
public VisualizerDataViewModel(VisualizerData model, ICommand?openInNewWindow = null, RelayCommand?copyWatchExpression = null) : base(model)
{
AllNodes = new List <ExpressionNodeDataViewModel>();
Root = new ExpressionNodeDataViewModel(model.Root, AllNodes, openInNewWindow, copyWatchExpression);
var grouped =
AllNodes
.Where(x => x.Model.EndNodeType != null)
.GroupBy(
x => x.Model.EndNodeType !.Value,
(endNodeType, grp) => (
endNodeType,
grp.GroupBy(
x => x.Model.EndNodeData,
(endNodeData, grp1) => new EndNodeGroupViewModel(endNodeData, grp1)
)
)
)
.SelectMany(x => x.Item2.Select(y => (x.endNodeType, y)))
.ToLookup(x => x.endNodeType, x => x.Item2);
Constants = grouped[Constant].ToList();
Parameters = grouped[Parameter].ToList();
ClosedVars = grouped[ClosedVar].ToList();
Defaults = grouped[Default].ToList();
allGroups = grouped.SelectMany().ToList();
UpdateSelection = new RelayCommand(sender => {
if (inUpdateSelection)
{
return;
}
inUpdateSelection = true;
switch (sender)
{
case string s:
var selected = FindNodeBySpan(SourceSelectionStart, SourceSelectionLength);
Root.ClearSelection(selected);
break;
case ExpressionNodeDataViewModel node:
Root.ClearSelection(node);
(SourceSelectionStart, SourceSelectionLength) = node.Model.Span;
break;
case EndNodeGroupViewModel group:
allGroups.Where(x => x != group).ForEach(x => x.IsSelected = false);
Root.ClearSelection(group.Nodes.ToArray());
(SourceSelectionStart, SourceSelectionLength) = group.Nodes.First().Model.Span;
break;
case null:
// previously selected group was unselected (presumably the only way for null to be passed in)
Root.ClearSelection();
break;
default:
throw new InvalidOperationException("Selection update from unknown part of viewmodel");
}
inUpdateSelection = false;
});
}
