/// <summary>
/// Performs custom actions when FileChanged event occurs.
/// Updates current document if necessary.</summary>
/// <param name="sender">Event sender</param>
/// <param name="e">FileSystemEventArgs containing event data</param>
void fileWatcherService_FileChanged(object sender, FileSystemEventArgs e)
{
if (m_mainForm == null || m_reloading)
{
return;
}
// First test if this document is a "master" document
var uri = new Uri(e.FullPath);
var doc = m_documentRegistry.GetDocument(uri) as TimelineDocument;
if (doc == null || doc.TimelineControl == null)
{
// It's not a master document. Check if it's already loaded. Since sub-documents are read-only,
// we don't need to ask the user if they want to reload. Just do it.
doc = s_repository.GetDocument(uri) as TimelineDocument;
if (doc != null)
{
s_repository.Remove(doc);
WinFormsUtil.InvokeIfRequired(m_mainForm,
delegate
{
LoadOrCreateDocument(uri, false);
InvalidateTimelineControls();
});
}
return;
}
// This is a master document. Query the user and if it's OK, then close it and reopen it, and this
// will update other open master documents that might reference this one as a sub-document.
WinFormsUtil.InvokeIfRequired(m_mainForm,
delegate
{
DialogResult result = MessageBox.Show(
m_mainForm,
doc.Uri.LocalPath + Environment.NewLine + Environment.NewLine +
"The file above was changed outside the editor.".Localize() + Environment.NewLine +
"Reload, and lose all changes made in the editor?".Localize(),
"File Changed, Reload?".Localize(),
MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
// Reload the document
m_reloading = true;
doc.Dirty = false;
Close(doc.TimelineControl);
Open(doc.Uri);
m_reloading = false;
InvalidateTimelineControls();
}
});
}
/// <summary>
/// Performs custom actions on CommandLineChanged events.
/// This is also called whenever another instance of this application launches.</summary>
/// <param name="sender">Event sender</param>
/// <param name="e">EventArgs containing event data</param>
void m_singleInstanceService_CommandLineChanged(object sender, EventArgs e)
{
// attempt to load a document whose path is on the command line
var msg = new StringBuilder(
"Another instance of StatechartEditorSample was launched. The command line changed to: ".Localize());
string documentPath = null;
for (int i = 0; i < m_singleInstanceService.CommandLine.Length; i++)
{
string line = m_singleInstanceService.CommandLine[i];
// assume the last parameter is the filename
if (i > 0 && i == m_singleInstanceService.CommandLine.Length - 1)
{
documentPath = line;
}
msg.AppendLine(line);
}
Outputs.WriteLine(OutputMessageType.Info, msg.ToString());
// we should bring our app to the forefront
if (m_mainForm != null)
{
WinFormsUtil.InvokeIfRequired(m_mainForm, () =>
{
m_mainForm.BringToFront(); //needs to be called on GUI thread
if (documentPath != null)
{
Uri uri = new Uri(documentPath);
if (CanOpen(uri))
{
Open(uri); //needs to be called on GUI thread
}
}
});
}
}
private void ShutDownTimer_Elapsed(object sender, ElapsedEventArgs e)
{
WinFormsUtil.InvokeIfRequired(m_maiForm, () => m_maiForm.Close());
}