internal void ShowTopTerms()
{
int nDoc = (int)domainTerms.SelectedItem;
ListView.CheckedListViewItemCollection fields = listFields.CheckedItems;
String[] selectedFields;
if (fields == null || fields.Count == 0)
{
selectedFields = _indexFields;
}
else
{
selectedFields = new String[fields.Count];
int i = 0;
foreach (ListViewItem item in fields)
{
// item.Text without "<", ">"
selectedFields[i++] = item.Text.Substring(1, item.Text.Length - 2);
}
}
try
{
TermInfo[] termInfos = HighFreqTerms.GetHighFreqTerms(_luke.Directory, null, nDoc, selectedFields);
listTerms.BeginUpdate();
listTerms.Items.Clear();
if (termInfos == null || termInfos.Length == 0)
{
ListViewItem noResults = new ListViewItem();
noResults.SubItems.AddRange(new String[] { "", "", _luke.resources.GetString("NoResults") });
listTerms.Items.Add(noResults);
return;
}
for (int i = 0; i < termInfos.Length; i++)
{
ListViewItem item = new ListViewItem((i + 1).ToString());
item.SubItems.AddRange(
new String[] {
termInfos[i].DocFreq.ToString(),
" <" + termInfos[i].Term.Field() + "> ",
termInfos[i].Term.Text()
});
listTerms.Items.Add(item);
}
}
catch (Exception e)
{
_luke.ErrorMessage(e.Message);
}
finally
{
listTerms.EndUpdate();
}
}
private void btnExplain_Click(object sender, System.EventArgs e)
{
if (listSearch.SelectedItems.Count == 0)
{
return;
}
if (searchedDocIds == null || searchedDocIds.Length < listSearch.Items.Count)
{
return;
}
if (_luke.IndexReader == null)
{
_luke.ShowStatus(_luke.resources.GetString("NoIndex"));
return;
}
if (query == null)
{
return;
}
IndexSearcher searcher = null;
try
{
searcher = new IndexSearcher(_luke.Directory, true);
Lucene.Net.Search.Explanation expl = searcher.Explain(query, searchedDocIds[listSearch.SelectedIndices[0]]);
ExplanationDialog explDialog = new ExplanationDialog(expl);
explDialog.ShowDialog(this);
}
catch (Exception exc)
{
_luke.ErrorMessage(exc.Message);
}
finally
{
searcher.Close();
}
}
private void buttonShowAllDocs_Click(object sender, System.EventArgs e)
{
if (term == null)
{
return;
}
if (_luke.IndexReader == null)
{
_luke.ShowStatus(_luke.resources.GetString("NoIndex"));
return;
}
_luke.ShowSearchTab();
Query q = new TermQuery(term);
IndexSearcher searcher = null;
try
{
searcher = new IndexSearcher(_luke.Directory, true);
_luke.searchTabPage._Search(q, searcher);
}
catch (Exception exc)
{
_luke.ErrorMessage(exc.Message);
}
finally
{
if (searcher != null)
{
try { searcher.Close(); }
catch (Exception) { }
}
;
}
}
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(Util.Version.LUCENE_30);
}
else
{
a = luke.AnalyzerForName(analyzerName);
if (null == a)
{
luke.ShowStatus(string.Format(resources.GetString("AnalyzerNotFound"), analyzerName));
a = new StandardAnalyzer(Util.Version.LUCENE_30);
}
}
foreach (Field f in fields)
{
doc.Add(f);
}
IndexWriter writer = null;
Directory dir = luke.IndexReader.Directory();
try
{
luke.IndexReader.Dispose();
writer = new IndexWriter(dir, a, false, IndexWriter.MaxFieldLength.UNLIMITED);
writer.AddDocument(doc);
}
catch (Exception exc)
{
luke.ErrorMessage(exc.Message);
}
finally
{
try
{
if (writer != null)
{
writer.Dispose();
}
}
catch (Exception)
{
}
try
{
luke.IndexReader = IndexReader.Open(dir, true);
}
catch (Exception e2)
{
luke.ErrorMessage(e2.Message);
}
}
}
