/// <inheritdoc />
public override void OnDragPerform(DragPerformEvent e)
{
var dropElements = DragSource.GetSelection();
var contentViewContainer = (e.target as GraphView)?.ContentViewContainer ?? e.target as VisualElement;
var variablesToCreate = dropElements
.OfType <IVariableDeclarationModel>()
.Select((e1, i) => (
e1,
GUID.Generate().ToSerializableGUID(),
contentViewContainer.WorldToLocal(e.mousePosition) + i * DragDropSpacer * Vector2.down))
.ToList();
var droppedNodes = dropElements.OfType <INodeModel>();
if (droppedNodes.Any(e2 => !(e2 is IVariableNodeModel)) && variablesToCreate.Any())
{
// no way to handle this ATM
throw new ArgumentException("Unhandled case, dropping blackboard/variables fields and nodes at the same time");
}
if (variablesToCreate.Any())
{
Stencil.OnDragAndDropVariableDeclarations(Dispatcher, variablesToCreate);
}
}
/// <summary>
/// Converts the errors generated by the processing of the graph to instances of <see cref="IGraphProcessingErrorModel"/>.
/// </summary>
/// <param name="stencil">The stencil.</param>
/// <param name="results">The graph processing results used as the source of errors to convert.</param>
/// <returns>The converted errors.</returns>
public static IEnumerable <IGraphProcessingErrorModel> GetErrors(Stencil stencil, GraphProcessingResult results)
{
if (results?.Errors != null)
{
return(results.Errors.Select(stencil.CreateProcessingErrorModel).Where(m => m != null));
}
return(Enumerable.Empty <IGraphProcessingErrorModel>());
}
public static void ShowVariableTypes(Stencil stencil, GraphToolState graphToolState, Vector2 position, Action <TypeHandle, int> callback)
{
var databases = stencil.GetSearcherDatabaseProvider()?.GetVariableTypesSearcherDatabases();
if (databases != null)
{
ShowTypes(graphToolState, databases, position, callback);
}
}
public static void ShowEdgeNodes(Stencil stencil, GraphToolState graphToolState, IEdgeModel edgeModel, Vector2 position,
Action <GraphNodeModelSearcherItem> callback)
{
var filter = stencil.GetSearcherFilterProvider()?.GetEdgeSearcherFilter(edgeModel);
var adapter = stencil.GetSearcherAdapter(graphToolState.WindowState.GraphModel, "Insert Node");
var dbProvider = stencil.GetSearcherDatabaseProvider();
if (dbProvider == null)
{
return;
}
var dbs = dbProvider.GetGraphElementsSearcherDatabases(graphToolState.WindowState.GraphModel).ToList();
ShowSearcher(graphToolState, position, callback, dbs, filter, adapter, Usage.k_CreateNode);
}
public static void ShowOutputToGraphNodes(Stencil stencil, GraphToolState graphToolState, IEnumerable <IPortModel> portModels, Vector2 position,
Action <GraphNodeModelSearcherItem> callback)
{
var filter = stencil.GetSearcherFilterProvider()?.GetOutputToGraphSearcherFilter(portModels);
var adapter = stencil.GetSearcherAdapter(graphToolState.WindowState.GraphModel, $"Choose an action for {portModels.First().DataTypeHandle.GetMetadata(stencil).FriendlyName}", portModels);
var dbProvider = stencil.GetSearcherDatabaseProvider();
if (dbProvider == null)
{
return;
}
var dbs = dbProvider.GetGraphElementsSearcherDatabases(graphToolState.WindowState.GraphModel).ToList();
ShowSearcher(graphToolState, position, callback, dbs, filter, adapter, Usage.k_CreateNode);
}
public static void ShowGraphNodes(Stencil stencil, GraphToolState graphToolState, Vector2 position, Action <GraphNodeModelSearcherItem> callback)
{
var filter = stencil.GetSearcherFilterProvider()?.GetGraphSearcherFilter();
var adapter = stencil.GetSearcherAdapter(graphToolState.WindowState.GraphModel, "Add a graph node");
var dbProvider = stencil.GetSearcherDatabaseProvider();
if (dbProvider == null)
{
return;
}
var dbs = dbProvider.GetGraphElementsSearcherDatabases(graphToolState.WindowState.GraphModel)
.Concat(dbProvider.GetDynamicSearcherDatabases((IPortModel)null))
.ToList();
ShowSearcher(graphToolState, position, callback, dbs, filter, adapter, Usage.k_CreateNode);
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphElementSearcherDatabase"/> class.
/// </summary>
/// <param name="stencil">Stencil of the graph elements.</param>
/// <param name="graphModel">GraphModel of the graph elements.</param>
public GraphElementSearcherDatabase(Stencil stencil, IGraphModel graphModel)
{
Stencil = stencil;
Items = new List <SearcherItem>();
m_GraphModel = graphModel;
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultSearcherDatabaseProvider"/> class.
/// </summary>
/// <param name="stencil">The stencil.</param>
public DefaultSearcherDatabaseProvider(Stencil stencil)
{
m_Stencil = stencil;
}
