private void RadContextMenu_ItemClick(object sender, RadRoutedEventArgs e)
{
RadContextMenu menu = (RadContextMenu)sender;
RadMenuItem clickedItem = e.OriginalSource as RadMenuItem;
GridViewRow row = menu.GetClickedElement <GridViewRow>();
GroupHeaderRow groupHeaderRow = menu.GetClickedElement <GroupHeaderRow>();
if (clickedItem != null && row != null)
{
string header = Convert.ToString(clickedItem.Header);
switch (header)
{
case "Add":
gridView.BeginInsert();
break;
case "Edit":
gridView.BeginEdit();
break;
case "Delete":
gridView.Items.Remove(row.DataContext);
break;
default:
break;
}
}
else if (clickedItem != null && groupHeaderRow != null)
{
string header = Convert.ToString(clickedItem.Header);
switch (header)
{
case "Delete":
var group = groupHeaderRow.DataContext as QueryableCollectionViewGroup;
var items = group.Items.ToList();
foreach (var item in items)
{
gridView.Items.Remove(item);
}
break;
default:
break;
}
}
}
private void RadContextMenu_Opened(object sender, RoutedEventArgs e)
{
RadContextMenu menu = (RadContextMenu)sender;
GridViewRow row = menu.GetClickedElement <GridViewRow>();
GroupHeaderRow groupHeaderRow = menu.GetClickedElement <GroupHeaderRow>();
if (row != null && !row.IsInEditMode)
{
menu.Items.Clear();
RadMenuItem item = new RadMenuItem();
item.Header = "Add";
menu.Items.Add(item);
item = new RadMenuItem();
item.Header = "Edit";
menu.Items.Add(item);
item = new RadMenuItem();
item.Header = "Delete";
menu.Items.Add(item);
row.IsSelected = row.IsCurrent = true;
GridViewCell cell = menu.GetClickedElement <GridViewCell>();
if (cell != null)
{
cell.IsCurrent = true;
}
}
else if (groupHeaderRow != null)
{
menu.Items.Clear();
RadMenuItem item = new RadMenuItem();
item.Header = "Delete";
menu.Items.Add(item);
}
else
{
menu.IsOpen = false;
}
}
public MyBehavior(CheckBox source)
{
this.checkBox = source;
this.checkBox.Unloaded += checkBox_Unloaded;
checkBox.Dispatcher.BeginInvoke(new Action
(() =>
{
grid = checkBox.ParentOfType <RadGridView>();
groupRow = checkBox.ParentOfType <GroupHeaderRow>();
if (grid != null && groupRow != null && groupRow.Group != null)
{
groupRow.Unloaded += groupRow_Unloaded;
this.UpdateIsChecked(groupRow.Group);
}
if (grid != null)
{
checkBox.Click += clickHandler = (s, e) =>
{
grid.SelectionChanged -= grid_SelectionChanged;
if (checkBox.IsChecked == true)
{
grid.Select(this.GetSubGroupItems(((GroupViewModel)checkBox.DataContext).Group));
}
else
{
grid.Unselect(this.GetSubGroupItems(((GroupViewModel)checkBox.DataContext).Group));
}
grid.SelectionChanged += grid_SelectionChanged;
};
groupRow.DataContextChanged += dataContextChangedHandler = (s, e) =>
{
this.UpdateIsChecked(e.NewValue as IGroup);
};
}
}
));
}