bool Qtilities::Core::ObserverDotWriter::removeEdgeAttribute(Observer* parent, QObject* child, const QString& attribute) {
if (!d->observer)
return false;
if (!parent || !child)
return false;
QList<QObject*> tree_items = d->observer->treeChildren();
if (parent == d->observer) {
if (!tree_items.contains(child))
return false;
} else {
if (!tree_items.contains(parent) || !tree_items.contains(child))
return false;
}
// Get the specified MultiContext property:
QString prop_name("qti.dot.edge." + attribute);
QByteArray byteArray = prop_name.toAscii();
const char * char_name = byteArray.data();
MultiContextProperty property = ObjectManager::getMultiContextProperty(child,char_name);
if (property.isValid()) {
// Check if the property exists:
if (!property.hasContext(parent->observerID()))
return false;
// Now remove the property related to the parent:
property.removeContext(parent->observerID());
// Set the property again:
if (property.contextMap().keys().count() == 0)
child->setProperty(char_name,QVariant());
else
ObjectManager::setMultiContextProperty(child,property);
// Set the modification state of the object:
IModificationNotifier* mod_iface = qobject_cast<IModificationNotifier*> (child);
if (mod_iface)
mod_iface->setModificationState(true,IModificationNotifier::NotifyListeners,true);
return true;
}
return false;
}
QHash<QByteArray,QString> Qtilities::Core::ObserverDotWriter::edgeAttributes(Observer* parent, QObject* child) const {
if (!d->observer)
return QHash<QByteArray,QString>();
if (!parent || !child)
return QHash<QByteArray,QString>();
QList<QByteArray> property_names = child->dynamicPropertyNames();
QHash<QByteArray,QString> dot_properties;
for (int i = 0; i < property_names.count(); i++) {
QString prop_qstring_name = property_names.at(i);
if (prop_qstring_name.startsWith("qti.dot.edge")) {
// Get the property value:
MultiContextProperty prop = ObjectManager::getMultiContextProperty(child,property_names.at(i));
if (prop.isValid()) {
if (prop.hasContext(parent->observerID()))
dot_properties[property_names.at(i)] = prop.value(parent->observerID()).toString();
}
}
}
return dot_properties;
}
bool Qtilities::Core::MultiContextProperty::operator==(const MultiContextProperty& other) const {
if (name != other.propertyNameString())
return false;
if (context_map != other.contextMap()) {
// for (int i = 0; i < context_map.count(); ++i)
// qDebug() << context_map.values().at(i).toString();
// for (int i = 0; i < other.contextMap().count(); ++i)
// qDebug() << other.contextMap().values().at(i).toString();
return false;
}
if (is_reserved != other.isReserved())
return false;
if (is_removable != other.isRemovable())
return false;
if (read_only != other.isReadOnly())
return false;
if (supports_change_notifications != other.supportsChangeNotifications())
return false;
if (isExportable() != other.isExportable())
return false;
return true;
}
Qtilities::Core::MultiContextProperty::MultiContextProperty(const MultiContextProperty& property) : QtilitiesProperty(property){
context_map = property.contextMap();
last_change_context = property.lastChangedContext();
}
