internal static CanvasData Arrange(StateDisplayInfo stateDisplayInfo, Dictionary<string, List<NavigationLinkModel>> links)
{
var transitionModels = new List<TransitionModel>();
var stateModels = new List<StateModel>();
var stateX = Left;
var stateY = Top;
var crumbs = StateController.Crumbs.Select((c, i) => new { Crumb = c, Index = i })
.ToDictionary(c => c.Crumb.State, c => new { Crumb = c.Crumb, c.Index });
foreach (Dialog dialog in StateInfoConfig.Dialogs)
{
stateX = Left;
var depths = CalculateDepths(dialog, transitionModels);
foreach (State state in dialog.States)
{
var stateModel = new StateModel(state);
stateModels.Add(stateModel);
stateModel.X = stateX;
stateModel.Y = stateY;
stateModel.H = StateHeight;
stateModel.Page = state.Page;
stateModel.Controller = state.Attributes["controller"];
stateModel.ApiController = state.Attributes["apiController"];
stateModel.Action = state.Attributes["action"];
stateModel.Route = state.Route;
stateModel.Theme = state.Theme;
stateModel.Masters = state.Masters.ToList();
if (links.ContainsKey(state.Id))
stateModel.NavigationLinks = links[state.Id];
if (state == StateContext.State)
{
stateModel.Current = state == StateContext.State;
stateModel.Data = StateContext.Data;
stateModel.Page = stateDisplayInfo.Page;
stateModel.Route = stateDisplayInfo.Route;
stateModel.Theme = stateDisplayInfo.Theme;
stateModel.Masters = stateDisplayInfo.Masters;
}
stateModel.Previous = state == StateContext.PreviousState;
stateModel.Back = 0;
if (crumbs.ContainsKey(state))
{
stateModel.Back = crumbs.Count - crumbs[state].Index;
stateModel.Data = crumbs[state].Crumb.Data;
}
if (stateModel.Data == null)
{
stateModel.Data = new NavigationData();
foreach (string key in stateModel.State.Defaults.Keys)
stateModel.Data[key] = stateModel.State.Defaults[key];
}
stateModel.W = ProcessTransitions(stateModel, transitionModels);
stateX += stateModel.W + StateSeparation;
}
stateY += Top + StateHeight + depths.Count * TransitionStepHeight + FontSize;
}
var selected = stateModels.FirstOrDefault(s => s.Current) ?? new StateModel(new State());
var selectedDialogTrans = transitionModels.Where(t => t.Transition.Parent.Parent == selected.State.Parent).DefaultIfEmpty();
var lastState = stateModels.Last();
return new CanvasData
{
States = stateModels,
Transitions = transitionModels,
X = Math.Min(0, Width - Math.Min(selected.X + selected.W + Left, selected.X + Width - Left)),
Y = Math.Min(0, Height - Math.Min(Math.Max(selected.Y + selected.H, selectedDialogTrans.Max(t => t != null ? t.Y + t.H : 0)) + PaddingY + FontSize, selected.Y + Height - Top)),
W = Math.Max(Width, stateModels.Max(s => s.X + s.W) + Left),
H = Math.Max(Height, Math.Max(lastState.Y + lastState.H, transitionModels.DefaultIfEmpty().Max(t => t != null ? t.Y + t.H : 0)) + PaddingY + FontSize)
};
}
private static int ProcessTransitions(StateModel stateModel, List<TransitionModel> transModels)
{
var trans = TransByState(stateModel.State, transModels);
var transWidth = (trans.Count() - 1) * TransitionSeparation;
var width = StateWidth + Math.Max(0, transWidth + 2 * PaddingX - StateWidth);
var start = stateModel.X + (width - transWidth) / 2;
foreach (var transEl in trans)
{
transEl.Y = stateModel.Y + StateHeight;
transEl.H = (transEl.Depth + 1) * TransitionStepHeight;
transEl.SetCoords(stateModel.State, start);
start += TransitionSeparation;
}
return width;
}