static internal Size GetPreferredSize(
GridFilter gridFilter, GridColumn gridColumn)
{
Size size = Size.Empty;
FilterEditType type = gridColumn.GetFilterPanelType();
switch (type)
{
case FilterEditType.ComboBox:
if (_sizeComboBox == null)
_sizeComboBox = new ComboBoxEx();
_sizeComboBox.Font = gridFilter.GetEffectiveStyle(gridColumn).Font;
size = _sizeComboBox.GetPreferredSize(Size.Empty);
break;
case FilterEditType.TextBox:
case FilterEditType.DateTime:
if (_sizeTextBox == null)
_sizeTextBox = new TextBoxX();
_sizeTextBox.BorderStyle = BorderStyle.None;
_sizeTextBox.Font = gridFilter.GetEffectiveStyle(gridColumn).Font;
size = _sizeTextBox.GetPreferredSize(Size.Empty);
break;
case FilterEditType.CheckBox:
if (_sizeCheckBox == null)
_sizeCheckBox = new MyCheckBoxX();
size = new Size(20, 20);
break;
}
return (size);
}
static internal FilterPanel GetFilterPanel(GridColumn gridColumn)
{
FilterEditType type = gridColumn.GetFilterPanelType();
if (type != FilterEditType.None)
{
GridFilter gridFilter = gridColumn.GridPanel.Filter;
FilterPanel fp = GetFilterPanel(gridFilter, type);
fp.GridFilter = gridFilter;
fp.GridColumn = gridColumn;
fp.Style = gridFilter.GetEffectiveStyle(gridColumn);
fp.InitEditControl(type);
return (fp);
}
return (null);
}
private void RenderFilterContent(Graphics g,
GridColumn column, FilterColumnHeaderVisualStyle style, Rectangle bounds)
{
switch (column.GetFilterPanelType())
{
case FilterEditType.CheckBox:
FilterPanel.RenderCheckBox(g, this, column, bounds);
break;
default:
if (column.FilterValue != null || column.CanShowFilterExpr == true)
{
object value = column.FilterDisplayValue;
if (value != null)
{
string s = value is DateTime
? ((DateTime)value).ToString("d")
: value.ToString();
RenderContent(g, column, s, style, bounds);
}
}
else if (column.FilterExpr != null)
{
string s = column.SuperGrid.FilterCustomString;
RenderContent(g, column, s, style, bounds);
}
break;
}
}
