///<summary>Handle list selection changed event</summary>
public void OnLayoutListSelectionChanged(object o, EventArgs args)
{
TreeSelection sel = (TreeSelection)o;
TreeModel tm;
TreeIter ti;
if (sel.GetSelected(out tm, out ti))
{
string val = (string)tm.GetValue(ti, (int)LayoutColumn.Path);
// if there is not path, it means user clicked on a header row
if (val == string.Empty)
{
if (selectedLayout != null)
{
sel.SelectIter(selectedLayoutIter);
}
else
{
sel.UnselectIter(ti);
}
return;
}
// try to load layout from file
try {
dataPreview.Display.Layout = new Layout(val);
selectedLayoutIter = ti;
selectedLayout = val;
}
catch (System.Xml.XmlException ex) {
string msg = string.Format(Catalog.GetString("Error parsing layout file '{0}'"), val);
ErrorAlert ea = new ErrorAlert(msg, ex.Message, this);
ea.Run();
ea.Destroy();
if (selectedLayout != null)
{
sel.SelectIter(selectedLayoutIter);
}
else
{
sel.UnselectIter(ti);
}
}
finally {
dataPreview.Display.Redraw();
}
}
}
void OnDialogResponse(object o, Gtk.ResponseArgs args)
{
lock (LockObj) {
if (args.ResponseId == ResponseType.Ok && dataBook != null && dataBook.NPages > 0)
{
DataView dv = ((DataViewDisplay)dataBook.CurrentPageWidget).View;
IExportBuilder builder = null;
TreeIter iter;
ExportAsCombo.GetActiveIter(out iter);
ExportPlugin plugin = (ExportPlugin)ExportAsCombo.Model.GetValue(iter, 1);
Util.Range range;
try {
range = GetCurrentRange(dv);
}
catch (FormatException ex) {
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Error in custom range"), ex.Message, mainWindow);
ea.Run();
ea.Destroy();
return;
}
Util.Range bufferRange;
if (dv.Buffer.Size == 0)
{
bufferRange = new Util.Range();
}
else
{
bufferRange = new Util.Range(0, dv.Buffer.Size - 1);
}
if (!bufferRange.Contains(range.Start) || !bufferRange.Contains(range.End))
{
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Error in range"), Catalog.GetString("Range is out of file's limits"), mainWindow);
ea.Run();
ea.Destroy();
return;
}
Stream stream = null;
try {
stream = new FileStream(ExportFileEntry.Text, FileMode.Create, FileAccess.Write);
builder = plugin.CreateBuilder(stream);
InterpretedPatternExporter exporter = new InterpretedPatternExporter(builder);
exporter.Pattern = ExportPatternComboEntry.Entry.Text;
cancelClicked = false;
BeginExport(exporter, dv.Buffer, range.Start, range.End);
}
catch (Exception ex) {
if (stream != null)
{
stream.Close();
}
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Error saving to file"), ex.Message, mainWindow);
ea.Run();
ea.Destroy();
return;
}
}
else if (args.ResponseId == ResponseType.Close)
{
this.Hide();
}
}
}