# HG changeset patch
# User Chris Cannam
# Date 1355231279 0
# Node ID d6ddc2c2a6ede54e1a98a659703ac97aa42c816b
# Parent  cc4ff6fde597979a7240b07348699720dbee5696
Fix failure to either export a file or explain why, when exporting an unsupported layer type to rdf

diff -r cc4ff6fde597 -r d6ddc2c2a6ed .hgsubstate
--- a/.hgsubstate	Sun Nov 25 18:10:07 2012 +0000
+++ b/.hgsubstate	Tue Dec 11 13:07:59 2012 +0000
@@ -1,3 +1,3 @@
 8a603a0840c8cb6b756fa598a215a74c336682ac svapp
-c9fc7728ab0d19a5496ce01a69c0eb99950df71e svcore
+fb6313da1df623e95f5224edbcdbd7a856fe1e62 svcore
 156a120345aebfa74dcca1d02d6a7dfa26bed483 svgui
diff -r cc4ff6fde597 -r d6ddc2c2a6ed main/MainWindow.cpp
--- a/main/MainWindow.cpp	Sun Nov 25 18:10:07 2012 +0000
+++ b/main/MainWindow.cpp	Tue Dec 11 13:07:59 2012 +0000
@@ -2594,10 +2594,14 @@
 
     } else if (suffix == "ttl" || suffix == "n3") {
 
-        RDFExporter exporter(path, model);
-        exporter.write();
-        if (!exporter.isOK()) {
-            error = exporter.getError();
+        if (!RDFExporter::canExportModel(model)) {
+            error = tr("Sorry, cannot export this layer type to RDF (supported types are: region, note, text, time instants, time values)");
+        } else {
+            RDFExporter exporter(path, model);
+            exporter.write();
+            if (!exporter.isOK()) {
+                error = exporter.getError();
+            }
         }
 
     } else {