/// <summary>
/// Applies filter.
/// </summary>
/// <param name="searchCondition">Search condition</param>
/// <param name="searchSort">Search sort</param>
public void ApplyFilter(string searchCondition, string searchSort)
{
// Call Result webpart id
ISearchFilterable resultWebpart = (ISearchFilterable)CMSControlsHelper.GetFilter(ResultWebpartID);
if (resultWebpart != null)
{
resultWebpart.ApplyFilter(searchCondition, searchSort);
}
}
/// <summary>
/// Page load.
/// </summary>
protected void Page_Load(object sender, EventArgs e)
{
if (StopProcessing)
{
// Do nothing
}
else
{
if (!RequestHelper.IsPostBack() && (FilterMode != SearchFilterModeEnum.TextBox))
{
// If query name filled - execute it
if (!string.IsNullOrEmpty(FilterQueryName))
{
// Execute query
DataSet ds = ConnectionHelper.ExecuteQuery(FilterQueryName, null, FilterWhere, FilterOrderBy);
if (!DataHelper.DataSourceIsEmpty(ds))
{
// Check that dataset has at least 3 columns
if (ds.Tables[0].Columns.Count < 3)
{
lblError.ResourceString = "srch.filter.fewcolumns";
lblError.Visible = true;
return;
}
// Loop thru all rows
foreach (DataRow dr in ds.Tables[0].Rows)
{
AddItem(dr[0].ToString(), dr[1].ToString(), ResHelper.LocalizeString(dr[2].ToString()));
}
}
}
// Else if values are filled - parse them
else if (!string.IsNullOrEmpty(FilterValues))
{
// Split values into rows
string[] rows = FilterValues.Split(new string[] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
// Loop thru each row
foreach (string row in rows)
{
string trimmedRow = row.Trim().TrimEnd('\r');
if (!string.IsNullOrEmpty(trimmedRow))
{
string[] values = trimmedRow.Split(';');
if (values.Length == 3)
{
AddItem(values[0], values[1], values[2]);
}
else
{
lblError.ResourceString = "srch.filter.badformat";
lblError.Visible = true;
return;
}
}
}
}
}
// Get webpart ID
string webpartID = ValidationHelper.GetString(GetValue("WebpartControlID"), ClientID);
// Try to get selected values from querystring - but only if is not postback
if (!RequestHelper.IsPostBack())
{
string selectedItems = QueryHelper.GetString(webpartID, "");
// If none of items are selected - try to get default values
if (string.IsNullOrEmpty(selectedItems))
{
selectedItems = DefaultSelectedIndex;
}
if (!string.IsNullOrEmpty(selectedItems))
{
string[] splittedItems = selectedItems.Split(';');
foreach (string item in splittedItems)
{
switch (FilterMode)
{
case SearchFilterModeEnum.Checkbox:
SelectItem(item, chklstFilter);
break;
case SearchFilterModeEnum.RadioButton:
SelectItem(item, radlstFilter);
break;
case SearchFilterModeEnum.DropdownList:
SelectItem(item, drpFilter);
break;
default:
txtFilter.Text = item;
break;
}
}
}
}
string applyFilter = "";
string ids = "";
// Set up controls
switch (FilterMode)
{
// Set text box
case SearchFilterModeEnum.TextBox:
txtFilter.Visible = true;
txtFilter.WatermarkCssClass = WatermarkCssClass;
txtFilter.WatermarkText = WatermarkText;
txtFilter.AutoPostBack = FilterAutoPostback;
if (!String.IsNullOrEmpty(DefaultSelectedIndex) && String.IsNullOrEmpty(txtFilter.Text) && !URLHelper.IsPostback())
{
txtFilter.Text = DefaultSelectedIndex;
}
// Apply filter only of textbox contains something
if (!String.IsNullOrEmpty(txtFilter.Text))
{
// Prepare right condition when filter values aren't empty
if (!String.IsNullOrEmpty(FilterValues))
{
string[] rows = FilterValues.Split(new string[] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
// Loop thru each row
foreach (string row in rows)
{
string trimmedRow = row.Trim();
if (!string.IsNullOrEmpty(trimmedRow))
{
applyFilter += trimmedRow + ":(" + SearchHelper.ProcessSearchKeywords(txtFilter.Text, SearchOptionsEnum.NoneSearch) + ") ";
}
}
}
else
{
applyFilter = txtFilter.Text;
}
}
ids = HttpUtility.UrlEncode(txtFilter.Text);
break;
// Set checkbox list
case SearchFilterModeEnum.Checkbox:
// Set visibility and layout
chklstFilter.Visible = true;
chklstFilter.RepeatDirection = RepeatDirection.Vertical;
if (FilterLayout == ControlLayoutEnum.Horizontal)
{
chklstFilter.RepeatDirection = RepeatDirection.Horizontal;
}
chklstFilter.RepeatLayout = GetLayoutEnumFromString(RepeatLayout);
chklstFilter.RepeatColumns = this.RepeatColumns;
// Get selected items
applyFilter = GetSelectedItems(chklstFilter, out ids);
// Set autopostback
if (FilterAutoPostback)
{
chklstFilter.AutoPostBack = true;
}
break;
// Set radio list
case SearchFilterModeEnum.RadioButton:
// Set visibility and layout
radlstFilter.Visible = true;
radlstFilter.RepeatDirection = RepeatDirection.Vertical;
if (FilterLayout == ControlLayoutEnum.Horizontal)
{
radlstFilter.RepeatDirection = RepeatDirection.Horizontal;
}
radlstFilter.RepeatLayout = GetLayoutEnumFromString(RepeatLayout);
radlstFilter.RepeatColumns = this.RepeatColumns;
// Get selected items
applyFilter = GetSelectedItems(radlstFilter, out ids);
// Set autopostback
if (FilterAutoPostback)
{
radlstFilter.AutoPostBack = true;
}
break;
// Set dropdown list
default:
// Set visibility
drpFilter.Visible = true;
// Get selected items
applyFilter = GetSelectedItems(drpFilter, out ids);
// Set autopostback
if (FilterAutoPostback)
{
drpFilter.AutoPostBack = true;
}
lblFilter.AssociatedControlID = drpFilter.ID;
break;
}
// Apply filter and add selected values to querystring
ISearchFilterable searchWebpart = (ISearchFilterable)CMSControlsHelper.GetFilter(SearchWebpartID);
if (searchWebpart != null)
{
if (FilterIsConditional)
{
// If filter fieldname or value is filled
if (!string.IsNullOrEmpty(applyFilter) && (applyFilter.Trim() != ":"))
{
// Handle filter clause
if (!string.IsNullOrEmpty(FilterClause))
{
applyFilter = FilterClause + "( " + applyFilter + " )";
}
searchWebpart.ApplyFilter(applyFilter, null);
}
searchWebpart.AddFilterOptionsToUrl(webpartID, ids);
}
else
{
searchWebpart.ApplyFilter(null, applyFilter);
searchWebpart.AddFilterOptionsToUrl(webpartID, ids);
}
}
}
}