+void Model_AttributeSelectionList::append(
+ const std::string theNamingName, const std::string& theType)
+{
+ int aNewTag = mySize->Get() + 1;
+ TDF_Label aNewLab = mySize->Label().FindChild(aNewTag);
+
+ std::shared_ptr<Model_AttributeSelection> aNewAttr =
+ std::shared_ptr<Model_AttributeSelection>(new Model_AttributeSelection(aNewLab));
+ if (owner()) {
+ aNewAttr->setObject(owner());
+ }
+ aNewAttr->setID(id());
+ mySize->Set(aNewTag);
+ aNewAttr->selectSubShape(theType.empty() ? selectionType() : theType, theNamingName);
+ owner()->data()->sendAttributeUpdated(this);
+}
+
+void Model_AttributeSelectionList::removeLast()
+{
+ int anOldSize = mySize->Get();
+ if (anOldSize != 0) {
+ mySize->Set(anOldSize - 1);
+ TDF_Label aLab = mySize->Label().FindChild(anOldSize);
+ std::shared_ptr<Model_AttributeSelection> aOldAttr =
+ std::shared_ptr<Model_AttributeSelection>(new Model_AttributeSelection(aLab));
+ aOldAttr->setObject(owner());
+ REMOVE_BACK_REF(aOldAttr->context());
+ aLab.ForgetAllAttributes(Standard_True);
+ myTmpAttr.reset();
+ owner()->data()->sendAttributeUpdated(this);
+ }
+}
+
+/// makes copy of all attributes on the given label and all sub-labels
+static void copyAttrs(TDF_Label theSource, TDF_Label theDestination) {
+ TDF_AttributeIterator anAttrIter(theSource);
+ for(; anAttrIter.More(); anAttrIter.Next()) {
+ Handle(TDF_Attribute) aTargetAttr;
+ if (!theDestination.FindAttribute(anAttrIter.Value()->ID(), aTargetAttr)) {
+ // create a new attribute if not yet exists in the destination
+ aTargetAttr = anAttrIter.Value()->NewEmpty();
+ theDestination.AddAttribute(aTargetAttr);
+ }
+ Handle(TDF_RelocationTable) aRelocTable = new TDF_RelocationTable(); // no relocation, empty map
+ anAttrIter.Value()->Paste(aTargetAttr, aRelocTable);
+ }
+ // copy the sub-labels content
+ TDF_ChildIterator aSubLabsIter(theSource);
+ for(; aSubLabsIter.More(); aSubLabsIter.Next()) {
+ copyAttrs(aSubLabsIter.Value(), theDestination.FindChild(aSubLabsIter.Value().Tag()));
+ }
+}
+
+void Model_AttributeSelectionList::remove(const std::set<int>& theIndices)
+{
+ int anOldSize = mySize->Get();
+ int aRemoved = 0;
+ // iterate one by one and shifting the removed indicies
+ for(int aCurrent = 0; aCurrent < anOldSize; aCurrent++) {
+ if (theIndices.find(aCurrent) == theIndices.end()) { // not removed
+ if (aRemoved) { // but must be shifted to the removed position
+ TDF_Label aSource = mySize->Label().FindChild(aCurrent + 1);
+ TDF_Label aDest = mySize->Label().FindChild(aCurrent + 1 - aRemoved);
+ copyAttrs(aSource, aDest);
+ // remove the moved source
+ aSource.ForgetAllAttributes(Standard_True);
+ }
+ } else { // this is removed, so remove everything from this label
+ TDF_Label aLab = mySize->Label().FindChild(aCurrent + 1);
+ std::shared_ptr<Model_AttributeSelection> aOldAttr =
+ std::shared_ptr<Model_AttributeSelection>(new Model_AttributeSelection(aLab));
+ aOldAttr->setObject(owner());
+ REMOVE_BACK_REF(aOldAttr->context());
+ aLab.ForgetAllAttributes(Standard_True);
+ myTmpAttr.reset();
+ aRemoved++;
+ }
+ }
+ if (aRemoved) { // remove was performed, so, update the size and this attribute
+ mySize->Set(anOldSize - aRemoved);
+ owner()->data()->sendAttributeUpdated(this);
+ }
+}
+