static bool IsLimitingSearch(LogColumnType column, string pattern, string currentFilterString)
{
if (string.IsNullOrEmpty(pattern))
{
return(false);
}
if (pattern.StartsWith(NegationPrefix))
{
return(false);
}
if (column == LogColumnType.LineNr)
{
return(false);
}
if (currentFilterString == DefaultFilterString)
{
return(true);
}
if (pattern.StartsWith(currentFilterString) && currentFilterString.Length < pattern.Length)
{
var newString = pattern.Substring(currentFilterString.Length);
if (Regex.Escape(newString).Length == newString.Length)
{
return(true);
}
}
return(false);
}
public void FilterColumn(LogColumnType column, string pattern, Func <bool> shouldCancel)
{
var currentFilterString = m_Filters.CurrentFilterString(column);
if (pattern == currentFilterString)
{
return;
}
if (pattern == NegationPrefix)
{
pattern = DefaultFilterString;
}
//negated all matches nothing. User is about to exclude more...
else if (pattern.StartsWith(NegationPrefix) && pattern.EndsWith("|"))
{
return;
}
if (!m_Filters.TrySetFilter(column, pattern))
{
return;
}
ReloadItemsWithCurrentFilter(m_Filters.Matches, shouldCancel);
//var limitingSearch = IsLimitingSearch(column, pattern, currentFilterString);
//if (!limitingSearch)
//{
// ReloadItemsWithCurrentFilter(m_Filters.Matches, shouldCancel);
//}
//else
//{
// ApplyFilterToVisibleItems(m_Filters.GetMatcher(column), shouldCancel);
//}
}
/// <summary>
/// Creates a new instance of a <see cref="LogColumn"/> with the specified parameters.
/// </summary>
/// <param name="name">The name of the <see cref="LogColumn"/>.</param>
/// <param name="expression">The <see cref="Regex"/> string of the <see cref="LogColumn"/>.</param>
/// <param name="optional">The value of this <see cref="LogColumn"/> is optional on parsing, or not.</param>
/// <param name="type">The <see cref="LogColumnType"/> of the <see cref="LogColumn"/>.</param>
public LogColumn(string name, string expression, bool optional, LogColumnType type)
{
Name = name;
Expression = expression;
Optional = optional;
ColumnType = type;
}
/// <summary>
/// Handles the Click event of the test columnizer <see cref="ToolStripButton"/>.
/// </summary>
private void TsbTestColumnizerClick(object sender, System.EventArgs e)
{
// Create a new temporary columnizer object for testing.
Columnizer tmpColumnizer = new Columnizer(txtName.Text);
foreach (DataGridViewRow dgvRow in dgvColumns.Rows)
{
bool optional = dgvRow.Cells[2].Value != null;
LogColumnType columnType = (LogColumnType)System.Enum.Parse(
typeof(LogColumnType)
, (string)dgvRow.Cells[3].Value);
tmpColumnizer.Columns.Add(new LogColumn(
(string)dgvRow.Cells[0].Value
, (string)dgvRow.Cells[1].Value
, optional
, columnType
, int.Parse((string)dgvRow.Cells[4].Value)));
}
using (FrmColumnizerTest testColumnizerDlg = new FrmColumnizerTest(tmpColumnizer))
{
testColumnizerDlg.ShowDialog(this);
}
}
/// <summary>
/// deserializes the <see cref="LogColumn"/> instance from the spezified <paramref name="node"/>.
/// </summary>
/// <param name="node">The <see cref="XmlNode"/> that may contain <see cref="LogColumn"/> data to deserialize.</param>
/// <returns><c>True</c> if the deserialialzation was successfull; otherwise <c>false</c>.</returns>
public bool DeserializeFromXml(XmlNode node)
{
if (node != null && Equals(node.Name, "LogColumn") && node.Attributes != null)
{
if (node.Attributes["Name"] == null ||
node.Attributes["Expression"] == null ||
node.Attributes["Optional"] == null ||
node.Attributes["Type"] == null)
{
return(false);
}
Name = node.Attributes["Name"].Value ?? Resources.strColumnizerColumnDefaultName;
Expression = node.Attributes["Expression"].Value ?? Resources.strColumnizerColumnDefaultExpresssion;
Optional = Equals(node.Attributes["Optional"].Value, bool.TrueString);
int typeResult = 0;
int.TryParse(node.Attributes["Type"].Value ?? "0", out typeResult);
ColumnType = (LogColumnType)typeResult;
return(true);
}
return(false);
}
