/// <summary>
/// ValidateContextMenu event allows to modify or hide any query builder context menu.
/// </summary>
private void QBuilder_OnValidateContextMenu(object sender, QueryElement queryelement, ICustomContextMenu menu)
{
if (ValidateContextMenu.IsChecked != true)
{
return;
}
BoxLogEvents.Text = "OnValidateContextMenu" +
Environment.NewLine + BoxLogEvents.Text;
// Insert custom menu item to the top of any context menu
menu.InsertItem(0, "Custom Item 1", CustomItem1EventHandler);
menu.InsertSeparator(1); // separator
if (queryelement is Link) // Link context menu
{
// Add another item in the Link's menu
menu.AddSeparator(); // separator
menu.AddItem("Custom Item 2", CustomItem2EventHandler);
}
else if (queryelement is DataSourceObject) // Datasource context menu
{
}
else if (queryelement is UnionSubQuery)
{
if (sender is IDesignPaneControl) // diagram pane context menu
{
}
else if (sender is NavigationPopupBase)
{
}
}
else if (queryelement is QueryColumnListItem) // QueryColumnListControl context menu
{
var queryColumnListItem = (QueryColumnListItem)queryelement;
var queryColumnListHitTestInfo =
QBuilder.QueryColumnListControl.HitTest(Mouse
.GetPosition((UIElement)QBuilder.QueryColumnListControl).ToCPoint());
switch (queryColumnListHitTestInfo.ItemProperty)
{
case QueryColumnListItemProperty.Expression:
menu.AddSeparator();
var menuItemExpression = menu.AddSubMenu("Expression property");
menuItemExpression.AddItem("Show full SQL", ExpressionColumnEventHandler, false, true, null,
queryColumnListItem.Expression.GetSQL());
break;
case QueryColumnListItemProperty.Selected:
case QueryColumnListItemProperty.Alias:
case QueryColumnListItemProperty.SortType:
case QueryColumnListItemProperty.SortOrder:
case QueryColumnListItemProperty.Aggregate:
case QueryColumnListItemProperty.Grouping:
case QueryColumnListItemProperty.ConditionType:
case QueryColumnListItemProperty.Condition:
case QueryColumnListItemProperty.Custom:
menu.AddSeparator();
menu.AddItem("Get info of current cell", (o, args) =>
{
var message =
$"Item property [{queryColumnListHitTestInfo.ItemProperty}]\nItem index [{queryColumnListHitTestInfo.ItemIndex}]\nCondition index [{queryColumnListHitTestInfo.ConditionIndex}]\nIs now here [{queryColumnListHitTestInfo.IsNowhere}]";
MessageBox.Show(this, message, "Information");
});
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
