bool PlugHandle::connectPlug(PlugHandle other)
{
#ifdef QT_DEBUG
Q_ASSERT(m_isValid);
#else
if(!m_isValid){
return false;
}
#endif
if(m_plug->getDirection() == PlugDirection::OUT){
return m_plug->getNode()->getScene()->createEdge(m_plug, other.data()) != nullptr;
} else {
return m_plug->getNode()->getScene()->createEdge(other.data(), m_plug) != nullptr;
}
}
bool NodeCtrl::removePlug(const QString & name)
{
// get the plug that is about to be removed
PlugHandle plug = m_node.getPlug(name);
if (!plug.isValid() || !plug.isRemovable()) {
return false;
}
// remove all references to the plug
Q_ASSERT(m_plugs.contains(plug));
Q_ASSERT(m_plugs[plug].size() == 0);
m_plugs.remove(plug);
// remove the plug
bool result = plug.remove();
Q_ASSERT(result);
return result;
}
bool PlugHandle::disconnectPlug(PlugHandle other)
{
#ifdef QT_DEBUG
Q_ASSERT(m_isValid && other.isValid());
#else
if(!m_isValid || !other.isValid()){
return false;
}
#endif
PlugEdge* edge;
Scene* scene = m_plug->getNode()->getScene();
if(m_plug->getDirection() == PlugDirection::OUT){
edge = scene->getEdge(m_plug, other.data());
} else {
edge = scene->getEdge(other.data(), m_plug);
}
if(!edge){
return false;
}
scene->removeEdge(edge);
return true;
}
QString NodeCtrl::renamePlug(const QString & oldName, const QString & newName)
{
if (newName == oldName) {
return oldName;
}
PlugHandle plug = m_node.getPlug(oldName);
if (!plug.isValid()) {
// return the empty string if there is no plug by the given name
return "";
}
// disconnect all connected plugs
if (plug.isIncoming()) {
for (PlugHandle otherPlug : m_plugs.value(plug)) {
m_manager->getCtrlForHandle(otherPlug.getNode())->
outputDisconnected(otherPlug, plug);
}
} else {
for (PlugHandle otherPlug : m_plugs.value(plug)) {
m_manager->getCtrlForHandle(otherPlug.getNode())->
inputDisconnected(otherPlug, plug);
}
}
// rename the plug
QString actualName = plug.rename(newName);
// reconnect other plugs
if (plug.isIncoming()) {
for (PlugHandle otherPlug : m_plugs.value(plug)) {
m_manager->getCtrlForHandle(otherPlug.getNode())->
outputConnected(otherPlug, plug);
}
} else {
for (PlugHandle otherPlug : m_plugs.value(plug)) {
m_manager->getCtrlForHandle(otherPlug.getNode())->
inputConnected(otherPlug, plug);
}
}
return actualName;
}