private async Task ImportAsync <TProblemData, TImportType>(DataAnalysisInstanceProvider <TProblemData, TImportType> instanceProvider, DataAnalysisImportDialog importDialog,
Func <DataAnalysisImportDialog, TImportType> getImportType)
where TProblemData : class, IDataAnalysisProblemData
where TImportType : DataAnalysisImportType
{
if (importDialog.ShowDialog() == DialogResult.OK)
{
await Task.Run(() => {
TProblemData instance;
// lock active view and show progress bar
try {
var progress = Progress.Show(Content, "Loading problem instance.");
instanceProvider.ProgressChanged += (o, args) => { progress.ProgressValue = args.ProgressPercentage / 100.0; };
instance = instanceProvider.ImportData(importDialog.Path, getImportType(importDialog), importDialog.CSVFormat);
} catch (IOException ex) {
MessageBox.Show(string.Format("There was an error parsing the file: {0}", Environment.NewLine + ex.Message), "Error while parsing", MessageBoxButtons.OK, MessageBoxIcon.Error);
Progress.Hide(Content);
return;
}
try {
Content.Import(instance);
} catch (IOException ex) {
MessageBox.Show(string.Format("This problem does not support loading the instance {0}: {1}", Path.GetFileName(importDialog.Path), Environment.NewLine + ex.Message), "Cannot load instance");
} finally {
Progress.Hide(Content);
}
});
}
}
private void Import <TProblemData, TImportType>(DataAnalysisInstanceProvider <TProblemData, TImportType> instanceProvider, DataAnalysisImportTypeDialog importTypeDialog,
Func <DataAnalysisImportTypeDialog, TImportType> getImportType)
where TProblemData : class, IDataAnalysisProblemData
where TImportType : DataAnalysisImportType
{
if (importTypeDialog.ShowDialog() == DialogResult.OK)
{
Task.Run(() => {
TProblemData instance;
var mainForm = (MainForm.WindowsForms.MainForm)MainFormManager.MainForm;
// lock active view and show progress bar
var activeView = (IContentView)MainFormManager.MainForm.ActiveView;
try {
var progress = mainForm.AddOperationProgressToContent(activeView.Content, "Loading problem instance.");
instanceProvider.ProgressChanged += (o, args) => { progress.ProgressValue = args.ProgressPercentage / 100.0; };
instance = instanceProvider.ImportData(importTypeDialog.Path, getImportType(importTypeDialog), importTypeDialog.CSVFormat);
} catch (IOException ex) {
MessageBox.Show(string.Format("There was an error parsing the file: {0}", Environment.NewLine + ex.Message), "Error while parsing", MessageBoxButtons.OK, MessageBoxIcon.Error);
mainForm.RemoveOperationProgressFromContent(activeView.Content);
return;
}
try {
Content.Import(instance);
} catch (IOException ex) {
MessageBox.Show(string.Format("This problem does not support loading the instance {0}: {1}", Path.GetFileName(importTypeDialog.Path), Environment.NewLine + ex.Message), "Cannot load instance");
} finally {
mainForm.RemoveOperationProgressFromContent(activeView.Content);
}
});
}
}