private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (e.UserState == null)
{
if (e.ProgressPercentage >= 0)
{
this.statProgressBar.Increment(10);// = e.ProgressPercentage;
}
else
{
this.Cursor = Cursors.AppStarting;
this.statGeneral.Text = "Processing";
this.rtbStringResults.Text = string.Empty;
this.btnCancel.Enabled = true;
this.btnProcess.Enabled = false;
this.btnExpand.Enabled = false;
this.statProgressBar.Minimum = 0;
this.statProgressBar.Maximum = 100;
this.statProgressBar.Value = 0;
Regex numFind = new Regex(@"\d{1,9}");
this.statLinesProcessed.Text = numFind.Replace(this.statLinesProcessed.Text, "0");
this.statEmptyLines.Text = numFind.Replace(this.statEmptyLines.Text, "0");
this.statMissingValues.Text = numFind.Replace(this.statMissingValues.Text, "0");
this.statLinesSubmitted.Text = numFind.Replace(this.statLinesSubmitted.Text, "0");
}
}
else if (e.UserState is BulkLinePurge)
{
Regex numFind = new Regex(@"\d{1,9}");
BulkLinePurge purge = e.UserState as BulkLinePurge;
this.rtbStringResults.Text += purge.LineResults;
this.statLinesProcessed.Text = numFind.Replace(this.statLinesProcessed.Text, purge.LinesProcessed.ToString());
this.statEmptyLines.Text = numFind.Replace(this.statEmptyLines.Text, purge.ExcludedEmptyLineCount.ToString());
this.statMissingValues.Text = numFind.Replace(this.statMissingValues.Text, purge.ExcludedMissingValueLineCount.ToString());
this.statLinesSubmitted.Text = numFind.Replace(this.statLinesSubmitted.Text, purge.TotalLinesSubmitted.ToString());
}
}
/// <summary>
/// The true worker method
/// </summary>
/// <param name="data">StringData object that contains the items to process</param>
/// <param name="worker">BackgroundWorker object used for threading</param>
/// <param name="e">DoWorkEventArgs used for threading</param>
/// <returns>Returns total lines processed</returns>
private int ProcessStringFormatting(StringData data, BackgroundWorker worker, DoWorkEventArgs e)
{
worker.ReportProgress(-1);
int emptyLinesExcluded = 0;
int missingValueLinesExcluded = 0;
char[] delimiter = Utility.GetDelimiter(data.Delimiter);
StringBuilder sb = new StringBuilder();
int linesProcessed = 0;
int totalLines = 0;
int length = data.Lines.Length;
totalLines = length;
//Get the count of format elements in the string
Regex formatCounter = new Regex(@"\{[0-9]+\}");
MatchCollection matches = formatCounter.Matches(data.Format);
int maxMatchFormatNumber = 0;
int minMatchFormatNumber = int.MaxValue;
int tmp;
for (int i = 0; i < matches.Count; i++)
{
Int32.TryParse(matches[i].Value.Replace("{", "").Replace("}", ""), out tmp);
if (tmp + 1 > maxMatchFormatNumber)
{
maxMatchFormatNumber = tmp + 1;
}
if (tmp < minMatchFormatNumber)
{
minMatchFormatNumber = tmp;
}
}
int tenPercent = Convert.ToInt32(length * 0.1);
for (int i = 0; i < length; i++)
{
//If excluding empty lines, see if there is a blank line or a line of delimiters with no values.
if (data.ExcludeEmptyLines && data.Lines[i].Replace(delimiter[0].ToString(), "").Trim().Length == 0)
{
emptyLinesExcluded++;
continue;
}
//Get a string array of the values to process.
string[] vals = data.Lines[i].Trim().Split(delimiter);
//Also consider it empty if is doesn't at least contain the lowest format number
if (data.ExcludeEmptyLines && vals.Length - 1 < minMatchFormatNumber)
{
emptyLinesExcluded++;
continue;
}
bool skip = false;
//If supposed to skip missing values, see if there are any missing values
if (data.ExcludeMissingValues)
{
//If the array contains less then the needed format lengths, it's automatically a skip
if (vals.Length < maxMatchFormatNumber)
{
missingValueLinesExcluded++;
skip = true;
}
else
{
//Otherwise, check each value to see if it's blank.
for (int j = 0; j < maxMatchFormatNumber; j++)
{
if (vals[j].Trim().Length == 0)
{
missingValueLinesExcluded++;
skip = true;
continue;
}
}
}
}
else //If we are to include lines with missing values, insert the default fill text
{
//If the array isn't long enough, make it bigger.
if (vals.Length - 1 < maxMatchFormatNumber)
{
string[] tmpArr = new string[maxMatchFormatNumber];
tmpArr.Initialize();
vals.CopyTo(tmpArr, 0);
vals = tmpArr;
}
//Check the values and add default as needed
for (int j = 0; j < vals.Length; j++)
{
if (vals[j] == null || vals[j].Trim().Length == 0)
{
vals[j] = data.DefaultFillText;
}
}
}
if (skip)
{
continue;
}
if (data.TrimInputValues)
{
for (int j = 0; j < vals.Length; j++)
{
vals[j] = vals[j].Trim();
}
}
try
{
sb.Append(String.Format(data.Format, vals));
if (!data.RemoveCarrigeReturns)
{
sb.Append("\r\n");
}
linesProcessed++;
if (worker.CancellationPending)
{
e.Cancel = true;
BulkLinePurge purge = new BulkLinePurge(sb.ToString(), linesProcessed, emptyLinesExcluded, missingValueLinesExcluded, totalLines);
worker.ReportProgress(0, purge);
sb.Length = 0;
return(linesProcessed);
}
if (tenPercent > 0 && linesProcessed % tenPercent == 0)
{
worker.ReportProgress(linesProcessed);
}
}
catch (System.FormatException)
{
if (!data.ExcludeMissingValues)
{
BulkLinePurge purge = new BulkLinePurge(sb.ToString(), i, emptyLinesExcluded, missingValueLinesExcluded, totalLines);
worker.ReportProgress(0, purge);
sb.Length = 0;
if (DialogResult.No == MessageBox.Show("Line " + Convert.ToString(i + 1) + " does not contain enough values. Skip line and continue?", "Missing Values", MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
break;
}
}
else
{
missingValueLinesExcluded++;
}
}
}
BulkLinePurge finalPurge = new BulkLinePurge(sb.ToString(), linesProcessed, emptyLinesExcluded, missingValueLinesExcluded, totalLines);
worker.ReportProgress(0, finalPurge);
e.Result = finalPurge;
sb.Length = 0;
return(linesProcessed);
}