private StateDefinitionGraphViewModel ToStateDefinitionViewModel(wf.StateDefinition state)
{
if (!_stateViewModels.ContainsKey(state))
{
var vm = _stateViewModels[state] = ViewModelFactory.CreateViewModel <StateDefinitionGraphViewModel.Factory>().Invoke(DataContext, this, state);
vm.IsSelectedChanged += (s, e) =>
{
var sender = (StateDefinitionGraphViewModel)s;
if (sender.IsSelected)
{
_stateViewModels.Values.Except(new[] { sender }).ForEach(i => i.IsSelected = false);
SelectedStateDefinition = sender;
}
else if (SelectedStateDefinition == sender)
{
SelectedStateDefinition = null;
}
};
vm.IsSelectedDestinationChanged += (s, e) =>
{
var sender = (StateDefinitionGraphViewModel)s;
if (sender.IsSelectedDestination)
{
_stateViewModels.Values.Except(new[] { sender }).ForEach(i => i.IsSelectedDestination = false);
SelectedDestinationStateDefinition = sender;
}
else if (SelectedDestinationStateDefinition == sender)
{
SelectedDestinationStateDefinition = null;
}
};
}
return(_stateViewModels[state]);
}
public StateDefinitionGraphViewModel(IViewModelDependencies appCtx, IZetboxContext dataCtx, ViewModel parent, wf.StateDefinition stateDef)
: base(appCtx, dataCtx, parent)
{
StateDefinition = stateDef;
}