// Test checks png images. If at least one icon is not presented, test fails.
public void SearchForPNGFiles()
{
var model = DynamoModel.Start();
IEnumerable searchEntries = model.SearchModel.SearchEntries.OfType <NodeSearchElement>();
IconServices iconServices = new IconServices(model.PathManager);
IconWarehouse currentWarehouse = null;
var currentWarehouseAssembly = string.Empty;
List <String> missingIcons = new List <string>();
foreach (var entry in searchEntries)
{
var searchEle = entry as NodeSearchElement;
if (String.IsNullOrEmpty(searchEle.IconName))
{
continue;
}
var smallIconName = searchEle.IconName + Configurations.SmallIconPostfix;
var largeIconName = searchEle.IconName + Configurations.LargeIconPostfix;
// Only retrieve the icon warehouse for different assembly.
if (currentWarehouseAssembly != searchEle.Assembly)
{
currentWarehouseAssembly = searchEle.Assembly;
currentWarehouse = iconServices.GetForAssembly(searchEle.Assembly);
}
ImageSource smallIcon = null;
ImageSource largeIcon = null;
if (currentWarehouse != null)
{
smallIcon = currentWarehouse.LoadIconInternal(smallIconName);
largeIcon = currentWarehouse.LoadIconInternal(largeIconName);
}
if (smallIcon == null)
{
missingIcons.Add(smallIconName);
}
if (largeIcon == null)
{
missingIcons.Add(largeIconName);
}
}
Assert.IsTrue(missingIcons.Count == 0, String.Join(Environment.NewLine, missingIcons));
model.ShutDown(false);
}
/// <summary>
/// Attempts to find the node's icon, which is the same as its type name plus a Postfix, such as '.Small'.
/// </summary>
/// <returns>An ImageSource object pointing to the icon image for the NodeViewModel</returns>
internal bool TryGetNodeIcon(NodeViewModel nodeViewModel, out ImageSource iconSource)
{
string nodeTypeName;
string assemblyLocation;
switch (nodeViewModel.NodeModel)
{
// For ZeroTouch nodes
case DSFunction dsFunction:
FunctionDescriptor functionDescriptor = dsFunction.Controller.Definition;
assemblyLocation = functionDescriptor.Assembly;
nodeTypeName = Graph.Nodes.Utilities.GetFunctionDescriptorIconName(functionDescriptor);
break;
// For DSVarArgFunctions like String.Concat
case DSVarArgFunction dsVarArgFunction:
nodeTypeName = dsVarArgFunction.Controller.Definition.QualifiedName;
assemblyLocation = dsVarArgFunction.Controller.Definition.Assembly;
break;
// For NodeModel nodes
case NodeModel nodeModel:
nodeTypeName = nodeModel.GetType().FullName;
assemblyLocation = nodeModel.GetType().Assembly.Location;
break;
default:
nodeTypeName = "";
assemblyLocation = "";
break;
}
iconSource = null;
IconWarehouse currentWarehouse = iconServices.GetForAssembly(assemblyLocation);
if (currentWarehouse is null)
{
return(false);
}
iconSource = currentWarehouse.LoadIconInternal(nodeTypeName + Configurations.SmallIconPostfix);
return(!(iconSource is null));
}