protected virtual IList <IFieldDefinition> MergeTelemetryFields(IList <IFieldDefinition> importedFieldDefinitions)
{
var updated = new List <IFieldDefinition>();
var removed = new List <IFieldDefinition>();
var current = FieldDefinitions.ToList();
var promptMergeAll = false;
var mergeAll = false;
foreach (IFieldDefinition importedFieldDefinition in importedFieldDefinitions)
{
var existing = current.FirstOrDefault(f => f.Name == importedFieldDefinition.Name);
if (existing != null)
{
if ((!promptMergeAll && !mergeAll) || (promptMergeAll && !mergeAll))
{
var dialogResult = MessageBox.Show(this, $"Telemetry field definition list already contains an entry for '{importedFieldDefinition.Name}'. Overwrite?", "Duplicate Telemetry Entry", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Warning);
if (dialogResult == DialogResult.Yes)
{
removed.Add(existing);
updated.Add(importedFieldDefinition);
if (!promptMergeAll)
{
var mergeAllDialogResult = MessageBox.Show(this, "Overwrite all Telemetry duplicates?", "Duplicate Telemetry Entry", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
if (mergeAllDialogResult == DialogResult.Cancel)
{
return(FieldDefinitions);
}
else
{
mergeAll = (mergeAllDialogResult == DialogResult.Yes);
promptMergeAll = true;
}
}
}
else if (dialogResult == DialogResult.Cancel)
{
return(FieldDefinitions);
}
}
else if (promptMergeAll && mergeAll)
{
// merge all
removed.Add(existing);
updated.Add(importedFieldDefinition);
}
}
else
{
updated.Add(importedFieldDefinition);
}
}
((List <IFieldDefinition>)FieldDefinitions).RemoveAll(i => removed.Any(r => r.Name == i.Name));
((List <IFieldDefinition>)FieldDefinitions).AddRange(updated);
MessageBox.Show($"{importedFieldDefinitions.Count} records imported. {updated.Count - removed.Count} records added, {removed.Count} records merged, {importedFieldDefinitions.Count - updated.Count} records skipped.");
return(FieldDefinitions);
}
