std::string CSettingList::toString(const SettingPtrList &values) const
{
std::vector<std::string> strValues;
for (SettingPtrList::const_iterator it = values.begin(); it != values.end(); ++it)
{
if (*it != NULL)
strValues.push_back((*it)->ToString());
}
return StringUtils::Join(strValues, m_delimiter);
}
void CSettingList::SetDefault(const SettingPtrList &values)
{
CExclusiveLock lock(m_critical);
m_defaults.clear();
m_defaults.insert(m_defaults.begin(), values.begin(), values.end());
if (!m_changed)
{
m_values.clear();
for (SettingPtrList::const_iterator it = m_defaults.begin(); it != m_defaults.end(); ++it)
m_values.push_back(SettingPtr((*it)->Clone((*it)->GetId())));
}
}
void CSettingList::copy(const SettingPtrList &srcValues, SettingPtrList &dstValues)
{
dstValues.clear();
for (SettingPtrList::const_iterator itValue = srcValues.begin(); itValue != srcValues.end(); ++itValue)
{
if (*itValue == NULL)
continue;
CSetting *valueCopy = (*itValue)->Clone((*itValue)->GetId());
if (valueCopy == NULL)
continue;
dstValues.push_back(SettingPtr(valueCopy));
}
}
bool CSettingList::SetValue(const SettingPtrList &values)
{
CExclusiveLock lock(m_critical);
if ((int)values.size() < m_minimumItems ||
(m_maximumItems > 0 && (int)values.size() > m_maximumItems))
return false;
bool equal = values.size() == m_values.size();
for (size_t index = 0; index < values.size(); index++)
{
if (values[index]->GetType() != GetElementType())
return false;
if (equal &&
!values[index]->Equals(m_values[index]->ToString()))
equal = false;
}
if (equal)
return true;
SettingPtrList oldValues = m_values;
m_values.clear();
m_values.insert(m_values.begin(), values.begin(), values.end());
if (!OnSettingChanging(this))
{
m_values = oldValues;
// the setting couldn't be changed because one of the
// callback handlers failed the OnSettingChanging()
// callback so we need to let all the callback handlers
// know that the setting hasn't changed
OnSettingChanging(this);
return false;
}
m_changed = (toString(m_values) != toString(m_defaults));
OnSettingChanged(this);
return true;
}