//
/// Refresh the window.
//
void
TCheckList::Update()
{
int topIndex = GetTopIndex();
int selIndex = GetSelIndex();
SendMessage(WM_SETREDRAW, false);
Invalidate();
SetTopIndex(topIndex);
if (selIndex != LB_ERR)
SetSelIndex(selIndex);
SendMessage(WM_SETREDRAW, true);
}
// Update data
void CLTGUICycleCtrl::UpdateData (LTBOOL bSaveAndValidate)
{
if (!m_pnValue)
{
return;
}
if (bSaveAndValidate)
{
*m_pnValue=GetSelIndex();
}
else
{
SetSelIndex(*m_pnValue);
}
}
//-----------------------------------------------------------------------------
uint TCheckList::Transfer(void* buffer, TTransferDirection direction)
{
long style = GetStyle();
TCheckListData* checkListData = (TCheckListData*)buffer;
if (direction == tdGetData){
// First, clear out Strings array and fill with contents of list box
//
checkListData->Clear(false);
int count = GetCount();
for(int i =0; i < count; i++)
checkListData->AddItem(GetItem(i));
// Update transfer data with new selected item(s)
//
checkListData->ResetSelections();
if (!(style & MULTIPLESEL)) {
// Single selection
//
checkListData->Select(GetSelIndex());
}
else {
// Multiple selection
//
int selCount = GetSelCount();
if (selCount > 0) {
TAPointer<int> selections(new int[selCount]);
GetSelIndexes(selections, selCount);
// Select each item by index
//
for (int selIndex = 0; selIndex < selCount; selIndex++)
checkListData->Select(selections[selIndex]);
}
}
}
else if (direction == tdSetData){
ClearList();
// Add each string, item data and selections in listBoxData to list box
//
const int noSelection = -1;
uint selCount = checkListData->GetSelCount(); // for multi selection
int selIndex = noSelection; // for single selection
for (uint i = 0; i < checkListData->ItemCount(); i++){
// Index may be different from i when the listbox is sorted.
//
int index = AddString((LPCTSTR)checkListData->GetItem(i));
if (style & MULTIPLESEL) {
for (uint j = 0; j < selCount; j++)
if (checkListData->GetSelIndices()[j] == (int)i) {
SetSel(index, true);
break;
}
}
else {
if (selCount && (uint)checkListData->GetSelIndices()[0] == i)
selIndex = index;
else
// Inserted something before item and the item to select has been
// pushed further down in the list.
//
if (selIndex != noSelection && index <= selIndex)
selIndex++;
}
}
if (selIndex != noSelection && !(style & MULTIPLESEL))
SetSelIndex(selIndex);
}
return sizeof(TCheckListData);
}
