private void GenerateReport(string defaultTitle, string fileFilter, string defaultExt, GenerateReportDelegate reportMethod)
{
List<WhereClause> clauses;
DataTable assets;
ProgressDialog dialog;
ReportOptionsDialog options;
ReportOptionsDialog.AssetSourceType sourceType;
EventHandler<ProgressEventArgs> handler = null;
int savedSearchID = -1;
// ask the user some stuff
options = new ReportOptionsDialog(fileFilter, defaultExt);
options.ReportTitle = defaultTitle;
if (options.ShowDialog(this) == DialogResult.Cancel) return;
sourceType = options.AssetSource;
if (sourceType == ReportOptionsDialog.AssetSourceType.SavedSearch)
savedSearchID = options.SavedSearchID;
// create clauses
clauses = new List<WhereClause>();
try
{
// create dialog
dialog = new ProgressDialog();
// create the handler for price query updates
handler = delegate(object sender, ProgressEventArgs e)
{
if (e.Max < 1) return;
dialog.Update("Updating market prices...", e.Progress, e.Max);
};
Program.PriceProvider.UpdateProgress += handler;
// add the progress task
dialog.AddTask(delegate(IProgressDialog p)
{
// create our clauses and get assets
p.Update("Querying assets...");
switch (sourceType)
{
case ReportOptionsDialog.AssetSourceType.All:
assets = AssetCache.GetAssetTable(clauses);
break;
case ReportOptionsDialog.AssetSourceType.Current:
if (m_assets == null) throw new ApplicationException("There are no current search results to use.");
assets = m_assets;
break;
case ReportOptionsDialog.AssetSourceType.SavedSearch:
clauses.AddRange(GetWhereClausesForSavedSearch(savedSearchID));
assets = AssetCache.GetAssetTable(clauses);
break;
default:
throw new ApplicationException("Don't know how to get assets for source type " + sourceType.ToString());
}
// generate report
p.Update("Generating report...");
reportMethod(assets, options.ReportTitle, options.ReportPath);
});
// run it!
dialog.Show();
}
catch (Exception ex)
{
// let the user know we failed
ShowException("Failed to generate report:", ex);
// try to get rid of the partially-written file
try { if (File.Exists(options.ReportPath)) File.Delete(options.ReportPath); }
catch { /* pass */ }
// get outta here, she's gonna blow!
return;
}
finally
{
if (handler != null)
Program.PriceProvider.UpdateProgress -= handler;
}
// open the report
if (Program.OptionsDialog["Reports.OpenReport"].ValueAsBoolean)
System.Diagnostics.Process.Start(options.ReportPath);
}
private void GenerateReport(string defaultTitle, GenerateReportDelegate reportMethod)
{
GenerateReport(defaultTitle, "HTML Files (*.html)|*.html", "html", reportMethod);
}
