private void LoadConditionFilter(XmlReader xr, ColumnFilter cf, Condition cond)
{
if (xr.MoveToAttribute("op"))
{
cond.Operator = (ConditionOperator) Enum.Parse(typeof (ConditionOperator), xr.Value, true);
}
if (xr.MoveToAttribute("val"))
{
cond.Parameter = ColumnFilterEditor.ConvertType(xr.Value, cf.DataType, cf.Column.GetCultureInfo());
}
}
private void LoadValueFilter(XmlReader xr, ColumnFilter cf)
{
var list = new List<object>();
while (xr.Read())
{
if (xr.NodeType == XmlNodeType.Element && xr.Name == "Value" && xr.MoveToAttribute("val"))
{
if (Equals(xr.Value, NullValue.Value.ToString()))
{
list.Add(NullValue.Value);
}
else
{
try
{
Type underlyingType = Nullable.GetUnderlyingType(cf.DataType);
object item = Convert.ChangeType(xr.Value,
underlyingType ?? cf.DataType, CultureInfo.InvariantCulture);
list.Add(item);
}
catch
{
list.Add(xr.Value);
}
}
}
}
cf.ValueFilter.Values = list;
}
private void LoadConditionFilter(XmlReader xr, ColumnFilter cf)
{
while (xr.Read())
{
if (xr.NodeType == XmlNodeType.Element)
{
if (xr.Name == "ConditionFilter")
{
string attribute = xr.GetAttribute("AndConditions");
bool andConditions = true;
if (bool.TryParse(attribute, out andConditions))
{
cf.ConditionFilter.AndConditions = andConditions;
}
}
if (xr.Name == "Condition1")
{
LoadConditionFilter(xr, cf, cf.ConditionFilter.Condition1);
}
if (xr.Name == "Condition2")
{
LoadConditionFilter(xr, cf, cf.ConditionFilter.Condition2);
}
}
}
}
private bool IsTextFilter(ColumnFilter filter)
{
return filter.ConditionFilter.IsActive && IsTextOperator(filter.ConditionFilter.Condition1.Operator);
}
internal void SetFilter(Column column, ColumnFilter filter)
{
_filters[column] = filter;
Apply();
}
public ColumnFilter GetColumnFilter(Column column)
{
if (!_filters.ContainsKey(column))
{
_filters[column] = new ColumnFilter(this, column);
}
return _filters[column];
}
private FrameworkElement CreateDropDown(ColumnFilter filter)
{
Image image = new Image();
image.Tag = filter;
image.Stretch = Stretch.None;
image.HorizontalAlignment = HorizontalAlignment.Center;
image.VerticalAlignment = VerticalAlignment.Center;
image.MouseLeftButtonDown += img_MouseLeftButtonDown;
UpdateGlyphImage(image, false);
return image;
}
