private void search_btn_Click(object sender, EventArgs e)
/*Handle the event when clicking search button
* Search main routine*/
{
dataGridView.Rows.Clear();
search_query.Visible = true;
if (string.IsNullOrEmpty(search_input.Text))
{
next_button.Enabled = false;
LastButton.Enabled = false;
SearchTimeLabel.Visible = false;
page_label.Visible = false;
search_query.Text = "> Status: Please input a query";
return;
}
string query = search_input.Text;
Stopwatch stopwatch = Stopwatch.StartNew();
if (!Skip_process.Checked)
{
query = PreProcessQuery(query);
}
if (string.IsNullOrEmpty(query.Trim()))
{
next_button.Enabled = false;
LastButton.Enabled = false;
SearchTimeLabel.Visible = false;
page_label.Visible = false;
search_query.Text = "> Status: All of input is filtered by pre-processsing";
return;
}
search_query.Text = S_query_ori + "\n" + query;
totalPage = LuceneSearch_app.Search(query, SearchFieldCB.SelectedItem.ToString());
if (totalPage == 0)
{
currentPage = 0;
prev_button.Enabled = false;
next_button.Enabled = false;
FirstButton.Enabled = false;
LastButton.Enabled = false;
}
else
{
currentPage = 1;
prev_button.Enabled = false;
next_button.Enabled = false;
LastButton.Enabled = false;
FirstButton.Enabled = false;
if (totalPage > 1)
{
next_button.Enabled = true;
LastButton.Enabled = true;
}
ShowResults(currentPage);
}
stopwatch.Stop();
SearchTimeLabel.Text = string.Format("Found {0} result(s) in about {1}ms",
LuceneSearch_app.ScoreDocs.Length, stopwatch.ElapsedMilliseconds);
SearchTimeLabel.Visible = true;
UpdatePageLabel();
}
