/// <include file='doc\DocumentTask.uex' path='docs/doc[@for="DocumentTask.OnNavigate"]/*' />
protected override void OnNavigate(EventArgs e)
{
TextSpan span = this.span;
if (textLineMarker != null)
{
TextSpan[] spanArray = new TextSpan[1];
NativeMethods.ThrowOnFailure(textLineMarker.GetCurrentSpan(spanArray));
span = spanArray[0];
}
IVsUIHierarchy hierarchy;
uint itemID;
IVsWindowFrame docFrame;
IVsTextView textView;
VsShell.OpenDocument(this.site, this.fileName, NativeMethods.LOGVIEWID_Code, out hierarchy, out itemID, out docFrame, out textView);
NativeMethods.ThrowOnFailure(docFrame.Show());
if (textView != null)
{
NativeMethods.ThrowOnFailure(textView.SetCaretPos(span.iStartLine, span.iStartIndex));
TextSpanHelper.MakePositive(ref span);
NativeMethods.ThrowOnFailure(textView.SetSelection(span.iStartLine, span.iStartIndex, span.iEndLine, span.iEndIndex));
NativeMethods.ThrowOnFailure(textView.EnsureSpanVisible(span));
}
base.OnNavigate(e);
}
private ITextView GetTextView(IVsWindowFrame frame)
{
if (frame == null)
return null;
IVsTextView viewAdapter = VsShellUtilities.GetTextView(frame);
IWpfTextView wpfTextView = this.VsEditorAdaptorsFactoryService.GetWpfTextView(viewAdapter);
return wpfTextView;
}
private void GoToLocation(RawSourceSpan loc, string caption, bool asReadonly)
{
// Code taken from Nemerle https://github.com/rsdn/nemerle/blob/master/snippets/VS2010/Nemerle.VisualStudio/LanguageService/NemerleLanguageService.cs#L565
// TODO: Add licensing
if (loc == null || loc.File == null)
{
return;
}
// Opens the document
var span = new TextSpan {
iStartLine = loc.Line - 1, iStartIndex = loc.Column - 1, iEndLine = loc.EndLine - 1, iEndIndex = loc.EndColumn - 1
};
uint itemID;
IVsUIHierarchy hierarchy;
IVsWindowFrame docFrame;
IVsTextView textView;
VsShell.OpenDocument(Site, loc.File, VSConstants.LOGVIEWID_Code, out hierarchy, out itemID, out docFrame, out textView);
// If we need readonly, set the buffer to read-only
if (asReadonly)
{
IVsTextLines buffer;
ErrorHandler.ThrowOnFailure(textView.GetBuffer(out buffer));
var stream = (IVsTextStream)buffer;
stream.SetStateFlags((uint)BUFFERSTATEFLAGS.BSF_USER_READONLY);
}
// Need to use a different caption?
if (caption != null)
{
ErrorHandler.ThrowOnFailure(docFrame.SetProperty((int)__VSFPROPID.VSFPROPID_OwnerCaption, caption));
}
// Show the frame
ErrorHandler.ThrowOnFailure(docFrame.Show());
// Go to the specific location
if (textView != null && loc.Line != 0)
{
try
{
ErrorHandler.ThrowOnFailure(textView.SetCaretPos(span.iStartLine, span.iStartIndex));
TextSpanHelper.MakePositive(ref span);
//ErrorHandler.ThrowOnFailure(textView.SetSelection(span.iStartLine, span.iStartIndex, span.iEndLine, span.iEndIndex));
ErrorHandler.ThrowOnFailure(textView.EnsureSpanVisible(span));
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
}
// It is important that this function not throw an exception.
protected override void OnNavigate(EventArgs e)
{
try {
TextSpan span = this.span;
if (textLineMarker != null)
{
TextSpan[] spanArray = new TextSpan[1];
if (NativeMethods.Failed(textLineMarker.GetCurrentSpan(spanArray)))
{
Debug.Assert(false, "Unexpected error getting current span in OnNavigate");
return;
}
span = spanArray[0];
}
IVsUIHierarchy hierarchy;
uint itemID;
IVsWindowFrame docFrame;
IVsTextView textView;
try {
VsShell.OpenDocument(this.site, this.fileName, NativeMethods.LOGVIEWID_Code, out hierarchy, out itemID, out docFrame, out textView);
} catch (System.ArgumentException) {
// No assert here because this can legitimately happen when quickly doing F8 during a refresh of language service errors (see 4846)
return;
}
catch (System.IO.FileNotFoundException)
{
// No assert here because this can legitimately happen, e.g. with type provider errors (which are attributed to "FSC" file), or other cases
return;
}
if (NativeMethods.Failed(docFrame.Show()))
{
// No assert here because this can legitimately happen when quickly doing F8 during a refresh of language service errors (see 4846)
return;
}
if (textView != null)
{
// In the off-chance these methods fail, we 'recover' by continuing. It is more helpful to show the user the file if possible than not.
textView.SetCaretPos(span.iStartLine, span.iStartIndex);
TextSpanHelper.MakePositive(ref span);
textView.SetSelection(span.iStartLine, span.iStartIndex, span.iEndLine, span.iEndIndex);
textView.EnsureSpanVisible(span);
}
base.OnNavigate(e);
} catch (Exception exn) {
System.Diagnostics.Debug.Assert(false, "Unexpected exception thrown from DocumentTask.OnNavigate" + exn.ToString() + exn.StackTrace);
}
}
internal static void ShowError(string message, string document, string helpSubPage = "", int lineNo = 0, int column = 0)
{
ErrorTask task = new ErrorTask()
{
Category = TaskCategory.Misc,
ErrorCategory = TaskErrorCategory.Error,
Text = message
};
DTE dte = (DTE)(_serviceProvider.GetService(typeof(DTE)));
IServiceProvider serviceProvider = new ServiceProvider(dte as Microsoft.VisualStudio.OLE.Interop.IServiceProvider);
if (document != null)
{
task.Document = document;
task.Navigate += (s, e) =>
{
try
{
IVsUIHierarchy hierarchy;
uint itemID;
IVsWindowFrame docFrame;
IVsTextView textView;
VsShell.OpenDocument(serviceProvider, document, Guids.LOGVIEWID_Code, out hierarchy, out itemID, out docFrame, out textView);
ThrowOnFailure(docFrame.Show());
if (textView != null)
{
ThrowOnFailure(textView.SetCaretPos(lineNo, column));
}
}catch (Exception)
{
// don't trow crazy exceptions when trying to navigate to errors
}
};
}
task.Help += (s, e) =>
{
var mainPage = "http://fsprojects.github.io/Paket/";
var errorUrl = mainPage;
if (!String.IsNullOrWhiteSpace(helpSubPage))
{
errorUrl += helpSubPage;
}
IVsWebBrowsingService webBrowsingService = serviceProvider.GetService(typeof(SVsWebBrowsingService)) as IVsWebBrowsingService;
if (webBrowsingService != null)
{
IVsWindowFrame windowFrame;
webBrowsingService.Navigate(errorUrl, 0, out windowFrame);
return;
}
IVsUIShellOpenDocument openDocument = serviceProvider.GetService(typeof(SVsUIShellOpenDocument)) as IVsUIShellOpenDocument;
if (openDocument != null)
{
openDocument.OpenStandardPreviewer(0, errorUrl, VSPREVIEWRESOLUTION.PR_Default, 0);
return;
}
};
_paketErrorProvider.Tasks.Add(task);
_paketErrorProvider.Show();
_paketErrorProvider.BringToFront();
}