bool CSettingNumber::SetValue(double value)
{
CExclusiveLock lock(m_critical);
if (value == m_value)
return true;
if (!CheckValidity(value))
return false;
double oldValue = m_value;
m_value = value;
if (!OnSettingChanging(this))
{
m_value = oldValue;
// 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 = m_value != m_default;
OnSettingChanged(this);
return true;
}
bool CSettingString::SetValue(const std::string &value)
{
CSingleLock lock(m_critical);
if (value == m_value)
return true;
if (!CheckValidity(value))
return false;
std::string oldValue = m_value;
m_value = value;
if (!OnSettingChanging(this))
{
m_value = oldValue;
// 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 = m_value != m_default;
OnSettingChanged(this);
return true;
}
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;
}
