public virtual bool ShowContextMenu(IContextMenuProvider contextMenuProvider, Point location)
{
if (this.rootElement == null)
return false;
RadDropDownMenu radDropDownMenu = contextMenuProvider.ContextMenu ?? contextMenuProvider.MergeMenus((IContextMenuManager) this);
GridViewContextMenuManager.UpdateMenuTheme((GridVisualElement) this.rootElement, radDropDownMenu);
ContextMenuOpeningEventArgs args = new ContextMenuOpeningEventArgs(contextMenuProvider, radDropDownMenu);
this.rootElement.Template.EventDispatcher.RaiseEvent<ContextMenuOpeningEventArgs>(EventDispatcher.ContextMenuOpening, (object) contextMenuProvider, args);
RadDropDownMenu contextMenu = args.ContextMenu;
if (args.Cancel || contextMenu == null || contextMenu.Items.Count == 0)
return false;
if (this.rootElement.RightToLeft)
{
contextMenu.RightToLeft = RightToLeft.Yes;
}
else
{
contextMenu.RightToLeft = RightToLeft.No;
contextMenu.HorizontalPopupAlignment = HorizontalPopupAlignment.LeftToLeft;
}
contextMenu.Show(this.rootElement.ElementTree.Control, location);
this.contextMenu = contextMenu;
this.contextMenu.PopupClosed += new RadPopupClosedEventHandler(this.ContextMenu_PopupClosed);
return true;
}
protected virtual RadDropDownMenu CreateFilterMenu(System.Type dataType)
{
FilterDescriptor descriptor = this.Descriptor;
CompositeFilterDescriptor filterDescriptor = descriptor as CompositeFilterDescriptor;
CompositeFilterDescriptor.DescriptorType descriptorType = CompositeFilterDescriptor.GetDescriptorType(filterDescriptor);
RadDropDownMenu menu = new RadDropDownMenu();
List <FilterOperationContext> filterOperations = FilterOperationContext.GetFilterOperations(dataType);
bool flag = this.ColumnInfo is GridViewMultiComboBoxColumn;
foreach (FilterOperationContext context in filterOperations)
{
if (!flag || context.Operator == FilterOperator.None || (context.Operator == FilterOperator.IsEqualTo || context.Operator == FilterOperator.IsNotEqualTo))
{
RadFilterOperationMenuItem operationMenuItem = new RadFilterOperationMenuItem(context);
operationMenuItem.IsChecked = filterDescriptor == null && operationMenuItem.Operator == descriptor.Operator;
operationMenuItem.Click += new EventHandler(this.FilterMenuItem_Click);
menu.Items.Add((RadItem)operationMenuItem);
}
}
if (GridViewHelper.IsNumeric(dataType) || (object)dataType == (object)typeof(DateTime))
{
RadFilterComposeMenuItem filterComposeMenuItem1 = new RadFilterComposeMenuItem("FilterFunctionsBetween");
filterComposeMenuItem1.IsChecked = filterDescriptor != null && descriptorType == CompositeFilterDescriptor.DescriptorType.Between;
filterComposeMenuItem1.FilterDescriptor = (FilterDescriptor)this.GetCompositeFilterDescriptor(CompositeFilterDescriptor.DescriptorType.Between, filterDescriptor, dataType);
filterComposeMenuItem1.Click += new EventHandler(this.FilterMenuItem_Click);
menu.Items.Add((RadItem)filterComposeMenuItem1);
RadFilterComposeMenuItem filterComposeMenuItem2 = new RadFilterComposeMenuItem("FilterFunctionNotBetween");
filterComposeMenuItem2.IsChecked = descriptorType == CompositeFilterDescriptor.DescriptorType.NotBetween;
filterComposeMenuItem2.FilterDescriptor = (FilterDescriptor)this.GetCompositeFilterDescriptor(CompositeFilterDescriptor.DescriptorType.NotBetween, filterDescriptor, dataType);
filterComposeMenuItem2.Click += new EventHandler(this.FilterMenuItem_Click);
menu.Items.Add((RadItem)filterComposeMenuItem2);
}
if ((object)dataType != (object)typeof(Image))
{
RadFilterComposeMenuItem filterComposeMenuItem = new RadFilterComposeMenuItem("FilterFunctionsCustom");
filterComposeMenuItem.FilterDescriptor = descriptor.Clone() as FilterDescriptor;
filterComposeMenuItem.Click += new EventHandler(this.FilterMenuItem_Click);
filterComposeMenuItem.IsChecked = filterDescriptor != null && descriptorType == CompositeFilterDescriptor.DescriptorType.Unknown;
menu.Items.Add((RadItem)filterComposeMenuItem);
}
menu.PopupOpening += new RadPopupOpeningEventHandler(this.contextMenu_PopupOpening);
menu.PopupClosed += new RadPopupClosedEventHandler(this.contextMenu_PopupClosed);
GridViewContextMenuManager.UpdateMenuTheme((GridVisualElement)this.GridViewElement, menu);
return(menu);
}