private boolean canPasteBefore(EditorCell selectedCell, List<SNode> pasteNodes) {
if (!selectedCell.isFirstPositionInBigCell()) return false;
SNode anchor = selectedCell.getSNode();
if (anchor.getParent() == null) return false;
NodeAndRole nodeAndRole =
new NodePaster(pasteNodes).getActualAnchorNode(anchor, anchor.getRoleInParent());
if (nodeAndRole == null) return false;
EditorCell targetCell = selectedCell.getEditor().findNodeCell(nodeAndRole.myNode);
return targetCell != null
&& targetCell.getFirstLeaf(CellConditions.SELECTABLE) == selectedCell
&& new NodePaster(pasteNodes).canPasteRelative(nodeAndRole.myNode);
}
private static List<INodeSubstituteAction> createSmartReferenceActions(
final SNode smartConcept,
final SNode smartReference,
final SNode parentNode,
final SNode currentChild,
final IChildNodeSetter childSetter,
final IOperationContext context) {
if (parentNode == null) {
return null;
}
// try to create referent-search-scope
SNode linkDeclaration = null;
int index = 0;
if (currentChild != null) {
linkDeclaration = currentChild.getRoleLink();
index = parentNode.getChildren(currentChild.getRoleInParent()).indexOf(currentChild);
}
// TODO generate wrapping setter to have access to original link
// if(childSetter instanceof WrappingSetter) {
// childSetter = ((WrappingSetter)childSetter).unwrap();
// }
if (linkDeclaration == null && childSetter instanceof DefaultChildNodeSetter) {
linkDeclaration = ((DefaultChildNodeSetter) childSetter).getLinkDeclaration();
}
// TODO restore (when wrapping setter is created)
// if (linkDeclaration == null) {
// return null;
// }
ReferenceDescriptor refDescriptor =
ModelConstraintsUtil.getSmartReferenceDescriptor(
parentNode,
linkDeclaration == null ? null : SModelUtil.getLinkDeclarationRole(linkDeclaration),
index,
smartConcept);
if (refDescriptor == null) return null;
Scope searchScope = refDescriptor.getScope();
if (searchScope == null) return null;
// create smart actions
final String targetConcept =
NameUtil.nodeFQName(SModelUtil.getLinkDeclarationTarget(smartReference));
List<INodeSubstituteAction> actions = new ArrayList<INodeSubstituteAction>();
IReferencePresentation presentation = refDescriptor.getReferencePresentation();
Iterable<SNode> referentNodes = searchScope.getAvailableElements(null);
for (SNode referentNode : referentNodes) {
if (referentNode == null
|| !referentNode
.getConcept()
.isSubConceptOf(SConceptRepository.getInstance().getConcept(targetConcept))) continue;
actions.add(
new SmartRefChildNodeSubstituteAction(
referentNode,
parentNode,
currentChild,
childSetter,
context.getScope(),
smartConcept,
smartReference,
presentation));
}
return actions;
}