public DataRow ReplaceSelected()
{
if (_target_list != null)
{
CurrentObjectTableView cotv = ControlList.schedule.Tables[_target_list] as CurrentObjectTableView;
if (cotv == null)
{
MyListBox target_list = this.Parent.Controls[_target_list] as MyListBox;
if (target_list != null)
{
cotv = target_list.DataSource as CurrentObjectTableView;
}
}
if (cotv != null)
{
if (this.SelectedItem != null)
{
DataRowView drv = this.SelectedItem as DataRowView;
return(cotv.ReplaceChildMember(drv.Row, cotv.Current));
}
}
}
return(null);
}
/// <summary>
/// Adds selected item to a list. Set target_list to the list to put the relation in. That will provide the parent to relate under
/// </summary>
/// <returns></returns>
public static DataRow AddSelected(ListBox listbox)
{
MyListBox myListbox = listbox as MyListBox;
if (myListbox != null && myListbox._target_list != null)
{
CurrentObjectDataView codv = null;
CurrentObjectTableView cotv = ControlList.schedule.Tables[myListbox._target_list] as CurrentObjectTableView;
if (cotv == null)
{
ListBox target_listbox = listbox.Parent.Controls[myListbox._target_list] as ListBox;
if (target_listbox != null)
{
cotv = target_listbox.DataSource as CurrentObjectTableView;
}
if (cotv == null)
{
codv = target_listbox.DataSource as CurrentObjectDataView;
}
}
if (cotv != null || codv != null)
{
if (listbox.SelectionMode == System.Windows.Forms.SelectionMode.MultiExtended ||
listbox.SelectionMode == System.Windows.Forms.SelectionMode.MultiSimple)
{
foreach (object item in listbox.SelectedItems)
{
if (cotv != null)
{
cotv.AddChildMember((item as DataRowView).Row);
}
else
{
codv.AddChildMember((item as DataRowView).Row);
}
}
return(null);
}
else if (listbox.SelectedItem != null)
{
DataRowView drv = listbox.SelectedItem as DataRowView;
if (cotv != null)
{
return(cotv.AddChildMember(drv.Row));
}
else
{
return(codv.AddChildMember(drv.Row));
}
}
}
}
if (myListbox != null)
{
if (myListbox.AddCurrent != null)
{
if (listbox.SelectedItem != null)
{
if (myListbox.allow_edit)
{
DataRowView drv = listbox.SelectedItem as DataRowView;
return(myListbox.AddCurrent(drv.Row));
}
else
{
MessageBox.Show("Editing is not enabled.");
}
}
}
}
return(null);
}
public static void RemoveSelected(ListBox listbox)
{
MyListBox myListbox = listbox as MyListBox;
bool table_view = (listbox.DataSource as CurrentObjectTableView != null);
if (myListbox == null || myListbox.allow_edit)
{
if (listbox.SelectionMode == System.Windows.Forms.SelectionMode.MultiSimple ||
listbox.SelectionMode == System.Windows.Forms.SelectionMode.MultiExtended)
{
if (listbox.SelectedItems.Count == 0)
{
MessageBox.Show("No Selection");
return;
}
List <DataRow> rows_to_delete = new List <DataRow>();
foreach (object item in listbox.SelectedItems)
{
DataRowView tmp_item = item as DataRowView;
if (table_view)
{
rows_to_delete.Add(tmp_item.Row.GetParentRow(tmp_item.Row.Table.ParentRelations[0]));
}
else
{
rows_to_delete.Add(tmp_item.Row);
}
}
foreach (DataRow item in rows_to_delete)
{
if (myListbox != null && myListbox.DeleteSelection != null)
{
// foreach selected item?
myListbox.DeleteSelection(item);
}
item.Delete();
}
}
else
{
if (listbox.SelectedItem == null)
{
MessageBox.Show("No Selection");
return;
}
int here = listbox.SelectedIndex;
if (myListbox != null && myListbox.DeleteSelection != null)
{
// foreach selected item?
myListbox.DeleteSelection((listbox.SelectedItem as DataRowView).Row);
}
DataRow row = (listbox.SelectedItem as DataRowView).Row;
// track this back the real row.
if (table_view)
{
DataRow real_row = row.GetParentRow((row.Table as CurrentObjectTableView).ChildRelationName);
real_row.Delete();
}
else
{
row.Delete();
}
if (here >= listbox.Items.Count)
{
if (here > 0)
{
listbox.SelectedIndex = here - 1;
}
else
{
;
}
}
else
{
// probably this is a NO change, so we don't get a selected item changed even
// though the item selected is different.
listbox.SelectedIndex = here;
DataRow tmp_row = (listbox.SelectedItem as DataRowView).Row;
if (myListbox != null && myListbox.GetCurrentRow != null)
{
tmp_row = myListbox.GetCurrentRow(tmp_row);
}
if (myListbox != null && myListbox.SetCurrent != null)
{
myListbox.SetCurrent(tmp_row);
}
}
}
}
else
{
MessageBox.Show("Editing is not enabled.");
}
}
/// <summary>
/// Adds selected item to a list. Set target_list to the list to put the relation in. That will provide the parent to relate under
/// </summary>
/// <returns></returns>
public DataRow AddSelected()
{
return(MyListBox.AddSelected(this));
}
public void RemoveSelected()
{
MyListBox.RemoveSelected(this);
}
