internal void PopulateAnalyzers(ComboBox cbAnalyzers)
{
cbAnalyzers.BeginUpdate();
cbAnalyzers.Items.Clear();
cbAnalyzers.Items.AddRange(Analyzing.GetAnalyzerNames().ToArray());
cbAnalyzers.EndUpdate();
}
private void btnUpdateParsedQuery_Click(object sender, System.EventArgs e)
{
string analyzerName = Analyzing.GetAnalyzerName((string)comboAnalyzer.SelectedItem);
comboAnalyzer.SelectedItem = analyzerName;
QueryParser qp = CreateQueryParser(analyzerName);
String queryS = textSearch.Text;
if (queryS.Trim() == "")
{
textParsed.Enabled = false;
textParsed.Text = _luke.resources.GetString("EmptyQuery");
return;
}
textParsed.Enabled = true;
try
{
Query q = qp.Parse(queryS);
textParsed.Text = q.ToString();
}
catch (Exception exc)
{
textParsed.Text = exc.Message;
}
}
internal void Search()
{
if (_luke.IndexReader == null)
{
_luke.ShowStatus(_luke.resources.GetString("NoIndex"));
return;
}
Cursor.Current = Cursors.WaitCursor;
string analyzerName = Analyzing.GetAnalyzerName((string)comboAnalyzer.SelectedItem);
comboAnalyzer.SelectedItem = analyzerName;
queryParser = CreateQueryParser(analyzerName);
string queryString = textSearch.Text;
if (queryString == string.Empty)
{
_luke.ShowStatus(_luke.resources.GetString("EmptyQuery"));
return;
}
IndexSearcher searcher = null;
listSearch.BeginUpdate();
listSearch.Items.Clear();
listSearch.EndUpdate();
try
{
Query q = queryParser.Parse(queryString);
if (searcher != null)
{
searcher.Close();
}
searcher = new IndexSearcher(_luke.Directory, true);
textParsed.Text = q.ToString();
_Search(q, searcher);
}
catch (Exception e)
{
_luke.ErrorMessage(e.Message);
}
finally
{
if (searcher != null)
{
try { searcher.Close(); }
catch (Exception) { }
}
;
}
Cursor.Current = Cursors.Default;
}
private QueryParser CreateQueryParser(string analyzerName)
{
analyzer = Analyzing.GetAnalyzerForName(analyzerName);
if (null == analyzer)
{
_luke.ErrorMessage(string.Format(_luke.resources.GetString("AnalyzerNotFound"), analyzerName));
analyzer = stdAnalyzer;
}
string defField = (string)comboFields.SelectedItem;
if (defField == null || defField == string.Empty)
{
defField = _indexFields[0];
comboFields.SelectedItem = analyzerName;
}
return(new QueryParser(Luke.LUCENE_VERSION, defField, analyzer));
}
private void EditAdd()
{
Document doc = new Document();
Analyzer a;
string analyzerName = (string)cmbAnalyzers.SelectedItem;
if (null == analyzerName || analyzerName == string.Empty)
{
analyzerName = "Lucene.Net.Analysis.Standard.StandardAnalyzer";
cmbAnalyzers.SelectedItem = analyzerName;
a = new StandardAnalyzer(Luke.LUCENE_VERSION);
}
else
{
a = Analyzing.GetAnalyzerForName(analyzerName);
if (null == a)
{
luke.ShowStatus(string.Format(resources.GetString("AnalyzerNotFound"), analyzerName));
a = new StandardAnalyzer(Luke.LUCENE_VERSION);
}
}
foreach (Field f in fields)
{
doc.Add(f);
}
IndexWriter writer = null;
Directory dir = luke.IndexReader.Directory();
try
{
luke.IndexReader.Close();
writer = new IndexWriter(dir, a, IndexWriter.MaxFieldLength.UNLIMITED);
writer.AddDocument(doc);
}
catch (Exception exc)
{
luke.ErrorMessage(exc.Message);
}
finally
{
try
{
if (writer != null)
{
writer.Commit();
writer.Close();
}
}
catch (Exception)
{
}
try
{
luke.IndexReader = IndexReader.Open(dir, true);
}
catch (Exception e2)
{
luke.ErrorMessage(e2.Message);
}
}
}
