public override bool OnMouseWheel(Control target, int delta)
{
if (target is RadSizableDropDownMenu || target is RadTreeView || target is RadGridView)
{
FilterMenuTreeItem filterMenuTreeItem = this.GetFilterMenuTreeItem();
if (filterMenuTreeItem != null)
{
delta = delta >= 0 ? 3 : -3;
filterMenuTreeItem.TreeElement.TreeView.TreeViewElement.ScrollTo(delta);
}
}
return(true);
}
protected virtual void CreateListFilterMenuItems()
{
this.textBoxMenuItem = new FilterMenuTextBoxItem();
this.textBoxMenuItem.TextBox.TextChanged += new EventHandler(this.textBoxSearch_TextChanged);
this.Items.Add((RadItem)this.textBoxMenuItem);
System.Type filteringDataType = this.ColumnFilteringDataType;
FilterMenuTreeItem filterMenuTreeItem = new FilterMenuTreeItem();
filterMenuTreeItem.TreeElement.GroupedDateValues = this.groupedDateValues && ((object)filteringDataType == (object)typeof(DateTime) || (object)filteringDataType == (object)typeof(DateTime?));
this.listFilterElement = (IRadListFilterElement)filterMenuTreeItem.TreeElement;
this.menuTreeElement = filterMenuTreeItem.TreeElement;
this.listFilterElement.SelectionChanged += new EventHandler(this.ListFilterElement_SelectionChanged);
this.Items.Add((RadItem)filterMenuTreeItem);
this.buttonsMenuItem = new FilterMenuButtonsItem();
this.buttonsMenuItem.ButtonOK.Click += new EventHandler(this.ButtonOK_Click);
this.buttonsMenuItem.ButtonCancel.Click += new EventHandler(this.ButtonCancel_Click);
this.Items.Add((RadItem)this.buttonsMenuItem);
RadListFilterDistinctValuesTable distinctValuesTable = this.GetDistinctValuesTable();
this.listFilterElement.DistinctListValues = distinctValuesTable;
RadListFilterDistinctValuesTable selectedValuesList = new RadListFilterDistinctValuesTable();
selectedValuesList.FormatString = this.DataColumn.FormatString;
RadListFilterDistinctValuesTable excludedValuesList = new RadListFilterDistinctValuesTable();
excludedValuesList.FormatString = this.DataColumn.FormatString;
this.listFilterElement.SelectedMode = this.GetGridFilteredValues(this.DataColumn.OwnerTemplate.FilterDescriptors, ref selectedValuesList, ref excludedValuesList);
if (excludedValuesList.Count > 0)
{
selectedValuesList.Clear();
foreach (DictionaryEntry dictionaryEntry in distinctValuesTable)
{
if (!excludedValuesList.Contains(dictionaryEntry.Key))
{
if (!(dictionaryEntry.Value is ArrayList))
{
selectedValuesList.Add(dictionaryEntry.Key);
}
else
{
selectedValuesList.Add(dictionaryEntry.Key.ToString(), (ArrayList)dictionaryEntry.Value);
}
}
}
}
this.listFilterElement.SelectedValues = selectedValuesList;
this.listFilterElement.EnableBlanks = this.DataColumn.ContainsBlanks;
}