public static void HandleDrop(Store store, string filename)
{
if (store == null || filename == null)
{
return;
}
try
{
StatusDisplay.Show($"Reading {filename}");
AssemblyProcessor assemblyProcessor = new AssemblyProcessor(store);
TextFileProcessor textFileProcessor = new TextFileProcessor(store);
textFileProcessor.LoadCache(filename);
Process(store, filename, assemblyProcessor, textFileProcessor);
}
catch (Exception e)
{
ErrorDisplay.Show(e.Message);
}
finally
{
StatusDisplay.Show(string.Empty);
}
}
public static IEnumerable <ModelElement> HandleMultiDrop(Store store, IEnumerable <string> filenames)
{
List <ModelElement> newElements = new List <ModelElement>();
List <string> filenameList = filenames?.ToList();
if (store == null || filenameList == null)
{
return(newElements);
}
try
{
StatusDisplay.Show($"Processing {filenameList.Count} files");
AssemblyProcessor assemblyProcessor = new AssemblyProcessor(store);
TextFileProcessor textFileProcessor = new TextFileProcessor(store);
try
{
// may not work. Might not be a text file
textFileProcessor.LoadCache(filenameList);
}
catch
{
// if not, no big deal. Either it's not a text file, or we'll just process suboptimally
}
foreach (string filename in filenameList)
{
newElements.AddRange(Process(store, filename, assemblyProcessor, textFileProcessor));
}
}
catch (Exception e)
{
ErrorDisplay.Show(store, e.Message);
}
finally
{
StatusDisplay.Show("Ready");
}
return(newElements);
}
private static void Process(Store store, string filename, AssemblyProcessor assemblyProcessor, TextFileProcessor textFileProcessor)
{
try
{
Cursor.Current = Cursors.WaitCursor;
ModelRoot.BatchUpdating = true;
if (IsAssembly(filename))
{
using (Transaction tx = store.TransactionManager.BeginTransaction("Process dropped assembly"))
{
if (assemblyProcessor.Process(filename))
{
StatusDisplay.Show("Creating diagram elements. This might take a while...");
tx.Commit();
ModelDisplay.LayoutDiagram(store.ModelRoot().GetActiveDiagram() as EFModelDiagram);
}
}
}
else
{
using (Transaction tx = store.TransactionManager.BeginTransaction("Process dropped class"))
{
if (textFileProcessor.Process(filename))
{
StatusDisplay.Show("Creating diagram elements. This might take a while...");
tx.Commit();
}
}
}
}
finally
{
Cursor.Current = Cursors.Default;
ModelRoot.BatchUpdating = false;
StatusDisplay.Show("");
}
}
private static IEnumerable <ModelElement> Process(Store store, string filename, AssemblyProcessor assemblyProcessor, TextFileProcessor textFileProcessor)
{
List <ModelElement> newElements;
Cursor prev = Cursor.Current;
try
{
Cursor.Current = Cursors.WaitCursor;
ModelRoot.BatchUpdating = true;
using (Transaction tx = store.TransactionManager.BeginTransaction("Process drop"))
{
bool processingResult = IsAssembly(filename)
? assemblyProcessor.Process(filename, out newElements)
: textFileProcessor.Process(filename, out newElements);
if (processingResult)
{
StatusDisplay.Show("Creating diagram elements. This might take a while...");
tx.Commit();
}
else
{
newElements = new List <ModelElement>();
}
}
}
finally
{
Cursor.Current = prev;
ModelRoot.BatchUpdating = false;
StatusDisplay.Show("Ready");
}
return(newElements);
}
