async Task <Document> LoadFile(FilePath fileName, ProgressMonitor monitor, DocumentControllerDescription binding, WorkspaceObject project, FileOpenInformation fileInfo)
{
// Make sure composition manager is ready since ScrollToRequestedCaretLocation will use it
await Runtime.GetService <CompositionManager> ();
string mimeType = desktopService.GetMimeTypeForUri(fileName);
var fileDescriptor = new FileDescriptor(fileName, mimeType, project);
try {
Counters.OpenDocumentTimer.Trace("Creating content");
DocumentController controller;
try {
fileInfo.DocumentControllerDescription = binding;
controller = fileInfo.DocumentController = await binding.CreateController(fileDescriptor);
} catch (InvalidEncodingException iex) {
monitor.ReportError(GettextCatalog.GetString("The file '{0}' could not opened. {1}", fileName, iex.Message), null);
return(null);
} catch (OverflowException) {
monitor.ReportError(GettextCatalog.GetString("The file '{0}' could not opened. File too large.", fileName), null);
return(null);
}
if (controller == null)
{
monitor.ReportError(GettextCatalog.GetString("The file '{0}' could not be opened.", fileName), null);
return(null);
}
Counters.OpenDocumentTimer.Trace("Loading file");
try {
await controller.Initialize(fileDescriptor, GetStoredMemento (fileName));
controller.OriginalContentName = fileInfo.OriginalFileName;
if (fileInfo.Owner != null)
{
controller.Owner = fileInfo.Owner;
}
} catch (InvalidEncodingException iex) {
monitor.ReportError(GettextCatalog.GetString("The file '{0}' could not opened. {1}", fileName, iex.Message), iex);
return(null);
} catch (OverflowException) {
monitor.ReportError(GettextCatalog.GetString("The file '{0}' could not opened. File too large.", fileName), null);
return(null);
}
} catch (Exception ex) {
monitor.ReportError(GettextCatalog.GetString("The file '{0}' could not be opened.", fileName), ex);
return(null);
}
Counters.OpenDocumentTimer.Trace("Showing view");
var doc = await ShowView(fileInfo);
ScrollToRequestedCaretLocation(doc, fileInfo);
return(doc);
}
public override Task <DocumentController> CreateController(ModelDescriptor modelDescriptor, DocumentControllerDescription controllerDescription)
{
throw new NotImplementedException();
}
async Task <(bool Success, Document Content)> RealOpenFile(ProgressMonitor monitor, FileOpenInformation openFileInfo)
{
FilePath fileName;
await InitDesktopService();
Counters.OpenDocumentTimer.Trace("Checking file");
string origName = openFileInfo.FileName;
if (origName == null)
{
monitor.ReportError(GettextCatalog.GetString("Invalid file name"), null);
return(false, null);
}
fileName = openFileInfo.FileName;
if (!origName.StartsWith("http://", StringComparison.Ordinal))
{
fileName = fileName.FullPath;
}
//Debug.Assert(FileService.IsValidPath(fileName));
if (FileService.IsDirectory(fileName))
{
monitor.ReportError(GettextCatalog.GetString("{0} is a directory", fileName), null);
return(false, null);
}
// test, if file fileName exists
if (!origName.StartsWith("http://", StringComparison.Ordinal))
{
// test, if an untitled file should be opened
if (!Path.IsPathRooted(origName))
{
foreach (Document doc in Documents)
{
if (doc.IsNewDocument && doc.FilePath == origName)
{
doc.Select();
ScrollToRequestedCaretLocation(doc, openFileInfo);
return(true, doc);
}
}
}
if (!File.Exists(fileName))
{
monitor.ReportError(GettextCatalog.GetString("File not found: {0}", fileName), null);
return(false, null);
}
}
Counters.OpenDocumentTimer.Trace("Looking for binding");
var documentControllerService = await ServiceProvider.GetService <DocumentControllerService> ();
IExternalDisplayBinding externalBinding = null;
DocumentControllerDescription internalBinding = null;
WorkspaceObject project = null;
if (openFileInfo.Owner == null)
{
var workspace = await ServiceProvider.GetService <RootWorkspace> ();
// Set the project if one can be found. The project on the FileOpenInformation
// is used to add project metadata to the OpenDocumentTimer counter.
project = workspace.GetProjectContainingFile(fileName);
// In some cases, the file may be a symlinked file. We cannot find the resolved symlink path
// in the project, so we should try looking up the original file.
if (project == null)
{
project = workspace.GetProjectContainingFile(openFileInfo.OriginalFileName);
}
openFileInfo.Owner = project;
}
else
{
project = openFileInfo.Owner;
}
var displayBindingService = await ServiceProvider.GetService <DisplayBindingService> ();
var fileDescriptor = new FileDescriptor(fileName, null, project);
var internalViewers = await documentControllerService.GetSupportedControllers(fileDescriptor);
var externalViewers = displayBindingService.GetDisplayBindings(fileName, null, project as Project).OfType <IExternalDisplayBinding> ().ToList();
if (openFileInfo.DocumentControllerDescription != null)
{
internalBinding = openFileInfo.DocumentControllerDescription;
}
else
{
var bindings = displayBindingService.GetDisplayBindings(fileName, null, project as Project).ToList();
if (openFileInfo.Options.HasFlag(OpenDocumentOptions.OnlyInternalViewer))
{
internalBinding = internalViewers.FirstOrDefault(d => d.CanUseAsDefault) ?? internalViewers.FirstOrDefault();
}
else if (openFileInfo.Options.HasFlag(OpenDocumentOptions.OnlyExternalViewer))
{
externalBinding = externalViewers.FirstOrDefault(d => d.CanUseAsDefault) ?? externalViewers.FirstOrDefault();
}
else
{
internalBinding = internalViewers.FirstOrDefault(d => d.CanUseAsDefault);
if (internalBinding == null)
{
externalBinding = externalViewers.FirstOrDefault(d => d.CanUseAsDefault);
if (externalBinding == null)
{
internalBinding = internalViewers.FirstOrDefault();
if (internalBinding == null)
{
externalBinding = externalViewers.FirstOrDefault();
}
}
}
}
}
Document newContent = null;
try {
if (internalBinding != null)
{
newContent = await LoadFile(fileName, monitor, internalBinding, project, openFileInfo);
}
else if (externalBinding != null)
{
var extBinding = (IExternalDisplayBinding)externalBinding;
var app = extBinding.GetApplication(fileName, null, project as Project);
app.Launch(fileName);
}
else if (!openFileInfo.Options.HasFlag(OpenDocumentOptions.OnlyInternalViewer))
{
try {
Counters.OpenDocumentTimer.Trace("Showing in browser");
desktopService.OpenFile(fileName);
} catch (Exception ex) {
LoggingService.LogError("Error opening file: " + fileName, ex);
MessageService.ShowError(GettextCatalog.GetString("File '{0}' could not be opened", fileName));
return(false, null);
}
}
Counters.OpenDocumentTimer.Trace("Adding to recent files");
desktopService.RecentFiles.AddFile(fileName, project);
} catch (Exception ex) {
monitor.ReportError(GettextCatalog.GetString("The file '{0}' could not be opened.", fileName), ex);
return(false, null);
}
return(true, newContent);
}
public override Task <DocumentController> CreateController(FileDescriptor modelDescriptor, DocumentControllerDescription controllerDescription)
{
return(Task.FromResult <DocumentController> (new TestFileController()));
}
/// <summary> /// Creates a controller for editing the provided file /// </summary> public abstract Task <DocumentController> CreateController(ModelDescriptor modelDescriptor, DocumentControllerDescription controllerDescription);
public override Task <DocumentController> CreateController(FileDescriptor file, DocumentControllerDescription controllerDescription)
{
var node = (InstanceExtensionNode)attribute.ExtensionNode;
return(Task.FromResult((DocumentController)node.CreateInstance(typeof(DocumentController))));
}
public override Task <DocumentController> CreateController(ModelDescriptor modelDescriptor, DocumentControllerDescription controllerDescription)
{
return(CreateController((FileDescriptor)modelDescriptor, controllerDescription));
}
