// Display a small triangle below the node. This happens all without
// the node querying its value, so the preview type is set to unknown.
// A separate query will be made later when user tries to expands the
// preview bubble.
internal void DisplayCollapsedPreview()
{
if (previewBubble == null)
{
previewBubble = new PreviewBubble(this.graphController, this.nodeId);
}
previewBubble.SetUnknownPreview();
previewBubble.Compose();
}
internal void SetPreviewValue(object data)
{
if (previewBubble == null)
{
if (data == null)
{
return;
}
else
{
previewBubble = new PreviewBubble(this.graphController, this.nodeId);
}
}
previewBubble.SetContent(data);
previewBubble.Compose();
}
private bool HandleTogglePreview(GraphCommand command)
{
uint bubbleId = (uint)command.GetArgument(0);
if (bubbleId == uint.MaxValue)
{
return(ToggleAllPreviews());
}
PreviewBubble previewBubble = bubbleCollection[bubbleId] as PreviewBubble;
if (previewBubble == null)
{
return(false);
}
VisualNode node = GetVisualNode(previewBubble.OwnerId);
if (node == null)
{
return(false);
}
List <IVisualNode> nodeList = new List <IVisualNode>();
nodeList.Add(node);
undoRedoRecorder.BeginGroup();
undoRedoRecorder.RecordNodeModificationForUndo(nodeList);
undoRedoRecorder.EndGroup();
if (node.NodeStates.HasFlag(States.PreviewHidden))
{
node.ClearState(States.PreviewHidden);
CurrentSynchronizer.BeginQueryNodeValue(node.NodeId);
}
else
{
node.SetNodeState(States.PreviewHidden);
}
previewBubble.Collapse(node.NodeStates.HasFlag(States.PreviewHidden));
return(true);
}
internal void SetPreviewValue(object data)
{
if (previewBubble == null)
{
if (data == null)
return;
else
previewBubble = new PreviewBubble(this.graphController, this.nodeId);
}
previewBubble.SetContent(data);
previewBubble.Compose();
}
// Display a small triangle below the node. This happens all without
// the node querying its value, so the preview type is set to unknown.
// A separate query will be made later when user tries to expands the
// preview bubble.
internal void DisplayCollapsedPreview()
{
if (previewBubble == null)
previewBubble = new PreviewBubble(this.graphController, this.nodeId);
previewBubble.SetUnknownPreview();
previewBubble.Compose();
}