// bool AllowReload (IEnumerable projects)
// {
// IEnumerable<string> closedDocs;
// return AllowReload (projects, out closedDocs);
// }
bool AllowReload (IEnumerable projects, out IEnumerable<string> closedDocs)
{
closedDocs = null;
if (projects == null)
return true;
List<Document> docs = new List<Document> ();
foreach (Project p in projects) {
docs.AddRange (GetOpenDocuments (p, false));
}
if (docs.Count == 0)
return true;
// Find a common project reload capability
bool hasUnsaved = false;
bool hasNoFiles = false;
ProjectReloadCapability prc = ProjectReloadCapability.Full;
foreach (Document doc in docs) {
if (doc.IsDirty)
hasUnsaved = true;
if (!doc.IsFile)
hasNoFiles = true;
var c = doc.ProjectReloadCapability;
if ((int) c < (int) prc)
prc = c;
}
string msg = null;
switch (prc) {
case ProjectReloadCapability.None:
if (hasNoFiles && hasUnsaved)
msg = GettextCatalog.GetString ("WARNING: Some documents may need to be closed, and unsaved data will be lost. You will be asked to save the unsaved documents.");
else if (hasNoFiles)
msg = GettextCatalog.GetString ("WARNING: Some documents may need to be reloaded or closed, and unsaved data will be lost. You will be asked to save the unsaved documents.");
else if (hasUnsaved)
msg = GettextCatalog.GetString ("WARNING: Some files may need to be reloaded, and unsaved data will be lost. You will be asked to save the unsaved files.");
else
goto case ProjectReloadCapability.UnsavedData;
break;
case ProjectReloadCapability.UnsavedData:
msg = GettextCatalog.GetString ("Some files may need to be reloaded, and editing status for those files (such as the undo queue) will be lost.");
break;
}
if (msg != null) {
if (!MessageService.Confirm (GettextCatalog.GetString ("The project '{0}' has been modified by an external application. Do you want to reload it?", docs[0].Project.Name), msg, AlertButton.Reload))
return false;
}
List<string> closed = new List<string> ();
foreach (Document doc in docs) {
if (doc.IsDirty)
hasUnsaved = true;
if (doc.ProjectReloadCapability != ProjectReloadCapability.None)
doc.SetProject (null);
else {
FilePath file = doc.IsFile ? doc.FileName : FilePath.Null;
EventHandler saved = delegate {
if (doc.IsFile)
file = doc.FileName;
};
doc.Saved += saved;
try {
if (!doc.Close ())
return false;
else if (!file.IsNullOrEmpty && File.Exists (file))
closed.Add (file);
} finally {
doc.Saved -= saved;
}
}
}
closedDocs = closed;
return true;
}
public void SetReloadCapability(ProjectReloadCapability cap)
{
capability = cap;
}
