QVariant KexiComboBoxBase::value()
{
KexiTableViewData *relData = column() ? column()->relatedData() : 0;
KexiDB::LookupFieldSchema *lookupFieldSchema = 0;
if (relData) {
if (m_internalEditorValueChanged) {
//we've user-entered text: look for id
//TODO: make error if matching text not found?
int rowToHighlight;
return valueForString(m_userEnteredValue.toString(), &rowToHighlight, 1, 0, true/*allowNulls*/);
} else {
//use 'related table data' model
KexiDB::RecordData *record = popup() ? popup()->tableView()->selectedItem() : 0;
return record ? record->at(0) : origValue();
}
} else if ((lookupFieldSchema = this->lookupFieldSchema())) {
if (lookupFieldSchema->boundColumn() == -1)
return origValue();
KexiDB::RecordData *record = popup() ? popup()->tableView()->selectedItem() : 0;
if (/*!record &&*/ m_internalEditorValueChanged && !m_userEnteredValue.toString().isEmpty()) { //
//try to select a row using the user-entered text
if (!popup()) {
QVariant prevUserEnteredValue = m_userEnteredValue;
createPopup(false);
m_userEnteredValue = prevUserEnteredValue;
}
record = selectItemForEnteredValueInLookupTable(m_userEnteredValue);
}
return record ? record->at(lookupFieldSchema->boundColumn()) : QVariant();
} else if (popup()) {
//use 'enum hints' model
const int row = popup()->tableView()->currentRow();
if (row >= 0)
return QVariant(row);
}
if (valueFromInternalEditor().toString().isEmpty())
return QVariant();
/*! \todo don't return just 1st row, but use autocompletion feature
and: show message box if entered text does not match! */
return origValue(); //unchanged
}
bool KexiComboBoxTableEdit::handleKeyPress(QKeyEvent *ke, bool editorActive)
{
const int k = ke->key();
if ((ke->modifiers() == Qt::NoButton && k == Qt::Key_F4)
|| (ke->modifiers() == Qt::AltButton && k == Qt::Key_Down)) {
//show popup
slotButtonClicked();
return true;
} else if (editorActive) {
const bool enterPressed = k == Qt::Key_Enter || k == Qt::Key_Return;
if (enterPressed && m_internalEditorValueChanged) {
createPopup(false);
selectItemForEnteredValueInLookupTable(m_userEnteredValue);
return false;
}
return handleKeyPressForPopup(ke);
}
return false;
}