/// <summary>
/// Initiates an export of the data to the specified file.
/// </summary>
private void ExportJSON()
{
DataView dv = this.DataView;
DataTable table = new DataTable(); // dv.ToTable(false);
if (IncludeDeletedRecords == false)
{
if (table.Columns.Contains("RecStatus") || table.Columns.Contains("RECSTATUS"))
{
dv.RowFilter = "[RecStatus] > 0";
}
}
try
{
if (ColumnSortOrder != ImportExport.ColumnSortOrder.None || !exportAllFields)
{
table = dv.ToTable(false);
if (view != null)
{
ImportExportHelper.OrderColumns(table, ColumnSortOrder, view);
}
else
{
ImportExportHelper.OrderColumns(table, ColumnSortOrder);
}
List <DataColumn> columnsToRemove = new List <DataColumn>();
foreach (DataColumn dc in table.Columns)
{
bool found = false;
foreach (Epi.Data.TableColumn tc in columnList)
{
if (tc.Name.Equals(dc.ColumnName))
{
found = true;
break;
}
}
if (!found)
{
columnsToRemove.Add(dc);
}
}
foreach (DataColumn dc in columnsToRemove)
{
table.Columns.Remove(dc);
}
}
rowsExported = 0;
int totalRows = 0;
totalRows = table.Rows.Count;
StringBuilder jsb = new StringBuilder("[");
foreach (DataRow row in table.Rows)
{
jsb.Append("\n {");
for (int i = 0; i < table.Columns.Count; i++)
{
string rowValue = row[i].ToString().Replace("\r\n", " ");
if (rowValue.Contains(",") || rowValue.Contains("\""))
{
rowValue = rowValue.Replace("\"", "\"\"");
rowValue = Util.InsertIn(rowValue, "\"");
}
jsb.Append("\n \"" + table.Columns[i].ColumnName + "\" : ");
if (table.Columns[i].DataType.FullName.Equals("System.String") ||
table.Columns[i].DataType.FullName.Equals("System.DateTime") ||
table.Columns[i].DataType.FullName.Equals("System.Date") ||
table.Columns[i].DataType.FullName.Equals("System.Time"))
{
jsb.Append("\"" + rowValue + "\",");
}
else if (table.Columns[i].DataType.FullName.Equals("System.Boolean"))
{
jsb.Append(rowValue.ToLower() + ",");
}
else
{
if (String.IsNullOrEmpty(rowValue))
{
rowValue = "null";
}
jsb.Append(rowValue + ",");
}
}
jsb.Remove(jsb.Length - 1, 1);
jsb.Append("\n },");
rowsExported++;
if (rowsExported % 500 == 0)
{
OnSetStatusMessageAndProgressCount(string.Format(SharedStrings.DASHBOARD_EXPORT_PROGRESS, rowsExported.ToString(), totalRows.ToString()), (double)rowsExported);
}
}
jsb.Remove(jsb.Length - 1, 1);
jsb.Append("\n]");
String jsonstring = jsb.ToString();
System.IO.File.WriteAllText(fileName, jsonstring);
OnSetStatusMessage(string.Format(SharedStrings.DASHBOARD_EXPORT_SUCCESS, rowsExported.ToString()));
}
catch (Exception ex)
{
OnSetStatusMessage(ex.Message);
//this.Dispatcher.BeginInvoke(new SetStatusDelegate(SetErrorMessage), ex.Message);
}
finally
{
//System.Diagnostics.Debug.Print("File I/O Export thread finished in " + stopWatch.Elapsed.ToString());
}
}
/// <summary>
/// Initiates an export of the data to the specified file.
/// </summary>
public override void Export()
{
if (fileName.ToLowerInvariant().EndsWith(".json"))
{
this.ExportJSON();
return;
}
DataView dv = this.DataView;
DataTable table = new DataTable(); // dv.ToTable(false);
WordBuilder wb = new WordBuilder(SEPARATOR);
StreamWriter sw = null;
if (IncludeDeletedRecords == false)
{
if (table.Columns.Contains("RecStatus") || table.Columns.Contains("RECSTATUS"))
{
dv.RowFilter = "[RecStatus] > 0";
}
}
try
{
sw = File.CreateText(fileName);
if (ColumnSortOrder != ImportExport.ColumnSortOrder.None || !exportAllFields)
{
table = dv.ToTable(false);
if (view != null)
{
ImportExportHelper.OrderColumns(table, ColumnSortOrder, view);
}
else
{
ImportExportHelper.OrderColumns(table, ColumnSortOrder);
}
List <DataColumn> columnsToRemove = new List <DataColumn>();
foreach (DataColumn dc in table.Columns)
{
bool found = false;
foreach (Epi.Data.TableColumn tc in columnList)
{
if (tc.Name.Equals(dc.ColumnName))
{
found = true;
break;
}
}
if (!found)
{
columnsToRemove.Add(dc);
}
}
foreach (DataColumn dc in columnsToRemove)
{
table.Columns.Remove(dc);
}
}
foreach (DataColumn dc in table.Columns)
{
wb.Add(dc.ColumnName);
}
sw.WriteLine(wb.ToString());
rowsExported = 0;
int totalRows = 0;
//if (useTabOrder || !exportAllFields)
//{
totalRows = table.Rows.Count;
foreach (DataRow row in table.Rows)
{
wb = new WordBuilder(SEPARATOR);
for (int i = 0; i < table.Columns.Count; i++)
{
string rowValue = row[i].ToString().Replace("\r\n", " ");
if (rowValue.Contains(",") || rowValue.Contains("\""))
{
rowValue = rowValue.Replace("\"", "\"\"");
rowValue = Util.InsertIn(rowValue, "\"");
}
wb.Add(rowValue);
}
sw.WriteLine(wb);
rowsExported++;
if (rowsExported % 500 == 0)
{
//this.Dispatcher.BeginInvoke(new SetGadgetStatusHandler(RequestUpdateStatusMessage), string.Format(SharedStrings.DASHBOARD_EXPORT_PROGRESS, rowsExported.ToString(), totalRows.ToString()), (double)rowsExported);
//RequestUpdateStatusMessage(string.Format(SharedStrings.DASHBOARD_EXPORT_PROGRESS, rowsExported.ToString(), totalRows.ToString()), (double)rowsExported);
//SetProgressAndStatus(string.Format(SharedStrings.DASHBOARD_EXPORT_PROGRESS, rowsExported.ToString(), totalRows.ToString()), (double)rowsExported);
OnSetStatusMessageAndProgressCount(string.Format(SharedStrings.DASHBOARD_EXPORT_PROGRESS, rowsExported.ToString(), totalRows.ToString()), (double)rowsExported);
}
}
//}
//else
//{
// totalRows = dv.Count;
// foreach (DataRowView rowView in dv)
// {
// wb = new WordBuilder(SEPARATOR);
// for (int i = 0; i < table.Columns.Count; i++)
// {
// DataRow row = rowView.Row;
// string rowValue = row[i].ToString().Replace("\r\n", " ");
// if (rowValue.Contains(",") || rowValue.Contains("\""))
// {
// rowValue = rowValue.Replace("\"", "\"\"");
// rowValue = Util.InsertIn(rowValue, "\"");
// }
// wb.Add(rowValue);
// }
// sw.WriteLine(wb);
// rowsExported++;
// if (rowsExported % 500 == 0)
// {
// //this.Dispatcher.BeginInvoke(new SetGadgetStatusHandler(RequestUpdateStatusMessage), string.Format(SharedStrings.DASHBOARD_EXPORT_PROGRESS, rowsExported.ToString(), totalRows.ToString()), (double)rowsExported);
// //RequestUpdateStatusMessage(string.Format(SharedStrings.DASHBOARD_EXPORT_PROGRESS, rowsExported.ToString(), totalRows.ToString()), (double)rowsExported);
// SetProgressAndStatus(string.Format(SharedStrings.DASHBOARD_EXPORT_PROGRESS, rowsExported.ToString(), totalRows.ToString()), (double)rowsExported);
// }
// }
//}
//this.Dispatcher.BeginInvoke(new SetStatusDelegate(SetStatusMessage), string.Format(SharedStrings.DASHBOARD_EXPORT_SUCCESS, rowsExported.ToString()));
OnSetStatusMessage(string.Format(SharedStrings.DASHBOARD_EXPORT_SUCCESS, rowsExported.ToString()));
}
catch (Exception ex)
{
OnSetStatusMessage(ex.Message);
//this.Dispatcher.BeginInvoke(new SetStatusDelegate(SetErrorMessage), ex.Message);
}
finally
{
if (sw != null)
{
sw.Close();
sw.Dispose();
sw = null;
}
//stopWatch.Stop();
//System.Diagnostics.Debug.Print("File I/O Export thread finished in " + stopWatch.Elapsed.ToString());
}
}