public VisualizerNode ReplaceChild(VisualizerNode old, VisualizerNode newChild, bool ensureExpanded)
{
var copy = new VisualizerNode(obj, ImmutableList.CreateRange(children.Select(c => c == old ? newChild : c)),
ensureExpanded ? true : expanded, selected, level, annotationsMap);
old.parent = null;
return(parent == null ? copy : parent.ReplaceChild(this, copy, ensureExpanded));
}
NodeInfo CreateViewNode(IView view, NodesCollectionInfo collectionToAddViewNode, IInspectedObject modelNode, int level, List <NodeInfo> nodesToCollapse)
{
string nodeText = modelNode.DisplayName;
if (modelNode.Comment != "")
{
nodeText += " (" + modelNode.Comment + ")";
}
bool createCollapsed = false;
bool createLazilyLoaded = false;
if (level < 5)
{
if (OnNodeCreated != null)
{
var args = new NodeCreatedEventArgs()
{
NodeObject = VisualizerNode.FromObject(modelNode)
};
OnNodeCreated(this, args);
createCollapsed = args.CreateCollapsed.GetValueOrDefault(createCollapsed);
createLazilyLoaded = args.CreateLazilyLoaded.GetValueOrDefault(createLazilyLoaded);
}
if (createLazilyLoaded && !view.TreeSupportsLoadingOnExpansion)
{
createLazilyLoaded = false;
}
}
var viewNode = view.CreateNode(nodeText, modelNode, collectionToAddViewNode);
if (createLazilyLoaded)
{
view.CreateNode(lazyLoadTag, lazyLoadTag, viewNode.ChildrenNodesCollection);
}
else
{
foreach (var child in modelNode.Children)
{
CreateViewNode(view, viewNode.ChildrenNodesCollection, child, level + 1, nodesToCollapse);
}
}
if (createCollapsed)
{
nodesToCollapse.Add(viewNode);
}
return(viewNode);
}
static MessageTimestamp GetNodeTimestamp(VisualizerNode node)
{
var obj = (node as VisualizerNode)?.InspectedObject;
StateInspectorEvent referenceEvt = null;
if (obj != null)
{
referenceEvt = obj.StateChangeHistory.FirstOrDefault();
}
if (referenceEvt != null)
{
return(referenceEvt.Trigger.Timestamp.Adjust(referenceEvt.Output.LogSource.TimeOffsets));
}
return(MessageTimestamp.MaxValue);
}
public VisualizerNode Follow(VisualizerNode rootNode)
{
VisualizerNode ret = null;
bool inspectingRoots = true;
foreach (var segment in path)
{
VisualizerNode found = (
from n in inspectingRoots ? rootNode.Children : ret.Children
let obj = n.InspectedObject
where obj != null
where inspectingRoots ? (obj == segment && obj.Owner.Key == outputsGroupKey) : (obj == segment)
select n
).FirstOrDefault();
if (found == null)
{
return(null);
}
ret = found;
inspectingRoots = false;
}
return(ret);
}
static VisualizerNode MakeRootNode(
IReadOnlyList <IStateInspectorOutputsGroup> groups,
EventHandler <NodeCreatedEventArgs> nodeCreationHandler,
ImmutableDictionary <ILogSource, string> annotationsMap,
VisualizerNode existingRoot
)
{
var existingRoots = existingRoot.Children.ToLookup(c => c.InspectedObject);
var children = ImmutableList.CreateRange(
groups.SelectMany(
group => group.Roots.Select(rootObj =>
{
var existingNode = existingRoots[rootObj].FirstOrDefault();
if (existingNode != null)
{
return(existingNode.SetAnnotationsMap(annotationsMap));
}
var newNode = MakeVisualizerNode(rootObj, 1, annotationsMap);
newNode.SetInitialProps(nodeCreationHandler); // call handler on second phase when all children and parents are initiated
return(newNode);
})
)
);
children = children.Sort((n1, n2) => MessageTimestamp.Compare(GetNodeTimestamp(n1), GetNodeTimestamp(n2)));
var result = new VisualizerNode(null, children, true, false, 0, annotationsMap);
if (!result.HasSelectedNodes && result.Children.Count > 0)
{
result = result.Children[0].Select(true);
}
return(result);
}
bool IPresenter.TrySelectObject(ILogSource source, TextLogEventTrigger creationTrigger, Func <IVisualizerNode, int> disambiguationFunction)
{
EnsureTreeView();
Func <IInspectedObject, bool> predecate = obj =>
{
return(obj.Owner.Outputs.Any(o => o.LogSource == source) &&
obj.StateChangeHistory.Any(change => change.Trigger.CompareTo(creationTrigger) == 0));
};
var candidates = EnumRoots().SelectMany(EnumTree).Where(predecate).ToList();
if (candidates.Count > 0)
{
IInspectedObject obj;
if (candidates.Count == 1 || disambiguationFunction == null)
{
obj = candidates[0];
}
else
{
obj = candidates
.Select(c => new { Obj = c, Rating = disambiguationFunction(VisualizerNode.FromObject(c)) })
.OrderByDescending(x => x.Rating)
.First().Obj;
}
var n = FindOrCreateNode(obj);
if (n != null)
{
view.SelectedNodes = new[] { n.Value };
view.ScrollSelectedNodesInView();
return(true);
}
}
return(false);
}
public InspectedObjectPath(VisualizerNode node) : this(node?.InspectedObject)
{
}
public StateInspectorPresenter(
IView view,
IStateInspectorVisualizerModel model,
IUserNamesProvider shortNames,
ILogSourcesManager logSources,
LoadedMessages.IPresenter loadedMessagesPresenter,
IBookmarks bookmarks,
IModelThreads threads,
IPresentersFacade presentersFacade,
IClipboardAccess clipboardAccess,
SourcesManager.IPresenter sourcesManagerPresenter,
IColorTheme theme,
IChangeNotification changeNotification
)
{
this.view = view;
this.model = model;
this.shortNames = shortNames;
this.threads = threads;
this.presentersFacade = presentersFacade;
this.bookmarks = bookmarks;
this.clipboardAccess = clipboardAccess;
this.sourcesManagerPresenter = sourcesManagerPresenter;
this.loadedMessagesPresenter = loadedMessagesPresenter;
this.theme = theme;
this.changeNotification = changeNotification.CreateChainedChangeNotification(initiallyActive: false);
var annotationsVersion = 0;
logSources.OnLogSourceAnnotationChanged += (sender, e) =>
{
annotationsVersion++;
changeNotification.Post();
};
var getAnnotationsMap = Selectors.Create(
() => logSources.Items,
() => annotationsVersion,
(sources, _) =>
sources
.Where(s => !s.IsDisposed && !string.IsNullOrEmpty(s.Annotation))
.ToImmutableDictionary(s => s, s => s.Annotation)
);
VisualizerNode rootNode = new VisualizerNode(null, ImmutableList <VisualizerNode> .Empty, true, false, 0, ImmutableDictionary <ILogSource, string> .Empty);
var updateRoot = Updaters.Create(
() => model.Groups,
getAnnotationsMap,
(groups, annotationsMap) => rootNode = MakeRootNode(groups, OnNodeCreated, annotationsMap, rootNode)
);
this.getRootNode = () =>
{
updateRoot();
return(rootNode);
};
this.updateRootNode = reducer =>
{
var oldRoot = getRootNode();
var newRoot = reducer(oldRoot);
if (oldRoot != newRoot)
{
rootNode = newRoot;
changeNotification.Post();
}
};
this.getSelectedNodes = Selectors.Create(
getRootNode,
(root) =>
{
var result = ImmutableArray.CreateBuilder <VisualizerNode>();
void traverse(VisualizerNode n)
{
if (!n.HasSelectedNodes)
{
return;
}
if (n.IsSelected)
{
result.Add(n);
}
foreach (var c in n.Children)
{
traverse(c);
}
}
traverse(root);
return(result.ToImmutable());
}
);
this.getSelectedInspectedObjects = Selectors.Create(
getSelectedNodes,
nodes => ImmutableArray.CreateRange(nodes.Select(n => n.InspectedObject))
);
this.getStateHistoryItems = Selectors.Create(
getSelectedInspectedObjects,
() => selectedHistoryEvents,
MakeSelectedObjectHistory
);
this.getIsHistoryItemBookmarked = Selectors.Create(
() => bookmarks.Items,
boormarksItems =>
{
Predicate <IStateHistoryItem> result = (item) =>
{
var change = (item as StateHistoryItem)?.Event;
if (change == null || change.Output.LogSource.IsDisposed)
{
return(false);
}
var bmk = bookmarks.Factory.CreateBookmark(
change.Trigger.Timestamp.Adjust(change.Output.LogSource.TimeOffsets),
change.Output.LogSource.GetSafeConnectionId(), change.Trigger.StreamPosition, 0);
var pos = boormarksItems.FindBookmark(bmk);
return(pos.Item2 > pos.Item1);
};
return(result);
}
);
this.getFocusedMessageInfo = () => loadedMessagesPresenter.LogViewerPresenter.FocusedMessage;
this.getFocusedMessageEqualRange = Selectors.Create(
getFocusedMessageInfo,
focusedMessageInfo =>
{
var cache = new Dictionary <IStateInspectorOutputsGroup, FocusedMessageEventsRange>();
Func <IStateInspectorOutputsGroup, FocusedMessageEventsRange> result = forGroup =>
{
if (!cache.TryGetValue(forGroup, out FocusedMessageEventsRange eventsRange))
{
eventsRange = new FocusedMessageEventsRange(focusedMessageInfo,
forGroup.Events.CalcFocusedMessageEqualRange(focusedMessageInfo));
cache.Add(forGroup, eventsRange);
}
return(eventsRange);
};
return(result);
}
);
this.getPaintNode = Selectors.Create(
getFocusedMessageEqualRange,
MakePaintNodeDelegate
);
this.getFocusedMessagePositionInHistory = Selectors.Create(
getStateHistoryItems,
getFocusedMessageInfo,
(changes, focusedMessage) =>
{
return
(focusedMessage == null ? null :
new ListUtils.VirtualList <StateInspectorEvent>(changes.Length,
i => changes[i].Event).CalcFocusedMessageEqualRange(focusedMessage));
}
);
this.getCurrentTimeLabelText = Selectors.Create(
getFocusedMessageInfo,
focusedMsg => focusedMsg != null ? $"at {focusedMsg.Time}" : ""
);
this.getCurrentProperties = Selectors.Create(
getSelectedInspectedObjects,
getFocusedMessageEqualRange,
() => selectedProperty,
MakeCurrentProperties
);
this.getPropertyItems = Selectors.Create(
getCurrentProperties,
props => (IReadOnlyList <IPropertyListItem>)props.Cast <IPropertyListItem>().ToImmutableArray()
);
this.getObjectsProperties = Selectors.Create(
getCurrentProperties,
props => (IReadOnlyList <KeyValuePair <string, object> >)props.Select(p => p.ToDataSourceItem()).ToImmutableArray()
);
view.SetViewModel(this);
}
public VisualizerNode Select(bool value)
{
var copy = new VisualizerNode(obj, children, expanded, value, level, annotationsMap);
return(parent.ReplaceChild(this, copy, true));
}
public VisualizerNode Expand(bool value)
{
var copy = new VisualizerNode(obj, children, value, selected, level, annotationsMap);
return(parent.ReplaceChild(this, copy, false));
}