/// <summary>
/// This method is called when a user selects Delete Relation on a Lexical Relation slice.
/// For: Pair relation (eg. Antonym)
/// tree relation (parts/whole when deleting a Parts slice)
/// </summary>
/// <param name="hvo"></param>
public void DeleteReference(int hvo)
{
CheckDisposed();
if (hvo <= 0)
{
throw new ConfigurationException("Slice:GetObjectHvoForMenusToOperateOn is either messed up or should not have been called, because it could not find the object to be deleted.", m_configurationNode);
}
else
{
Form mainWindow = (Form)Mediator.PropertyTable.GetValue("window");
mainWindow.Cursor = Cursors.WaitCursor;
using (ConfirmDeleteObjectDlg dlg = new ConfirmDeleteObjectDlg())
{
CmObjectUi ui = CmObjectUi.MakeUi(m_cache, hvo);
ILexReference lr = LexReference.CreateFromDBObject(m_cache, hvo);
//We need this to determine which kind of relation we are deleting
LexRefType lrtOwner =
(LexRefType)CmObject.CreateFromDBObject(m_cache, lr.OwnerHVO);
int analWs = m_cache.DefaultAnalWs;
int userWs = m_cache.DefaultUserWs;
ITsIncStrBldr tisb = TsIncStrBldrClass.Create();
tisb.SetIntPropValues((int)FwTextPropType.ktptWs, 0, userWs);
switch ((LexRefType.MappingTypes)lrtOwner.MappingType)
{
case LexRefType.MappingTypes.kmtSenseTree:
case LexRefType.MappingTypes.kmtEntryTree:
case LexRefType.MappingTypes.kmtEntryOrSenseTree:
tisb.SetIntPropValues((int)FwTextPropType.ktptWs, 0, userWs);
tisb.Append(String.Format(LexEdStrings.ksDeleteLexTree, "\x2028"));
dlg.SetDlgInfo(ui, m_cache, Mediator, tisb.GetString());
break;
default:
dlg.SetDlgInfo(ui, m_cache, Mediator);
break;
}
if (DialogResult.Yes == dlg.ShowDialog(mainWindow))
{
lr.DeleteUnderlyingObject();
//Update the display because we have removed this slice from the Lexical entry.
UpdateForDelete(hvo);
mainWindow.Cursor = Cursors.Default;
}
else //If the user selected Cancel in the delete dialog do nothing
{
mainWindow.Cursor = Cursors.Default;
return;
}
}
}
}
