private boolean processSideDeletes(CellActionType type) {
// TODO: review this logic - it was originally copied from EditorComponentKeyboardHandler
final EditorCell selectedCell = getEditorCell();
if (type == CellActionType.DELETE
&& selectedCell.isLastPositionInBigCell()
&& !selectedCell.isFirstPositionInBigCell()) {
final EditorCell target;
if (selectedCell.isLastPositionInBigCell()
&& selectedCell.getContainingBigCell().getNextSibling() != null) {
target = selectedCell.getContainingBigCell().getNextSibling();
} else if (selectedCell.getNextSibling() != null) {
target = selectedCell.getNextSibling();
} else {
target = selectedCell.getNextLeaf(CellConditions.SELECTABLE);
}
if (target == null
|| ModelAccess.instance()
.runReadAction(
new Computable<Boolean>() {
public Boolean compute() {
return target.getSNode().isAncestorOf(selectedCell.getSNode());
}
})) return false;
return target.executeAction(CellActionType.DELETE);
}
if (type == CellActionType.BACKSPACE
&& selectedCell.isFirstPositionInBigCell()
&& !selectedCell.isLastPositionInBigCell()) {
final EditorCell target;
if (selectedCell.isFirstPositionInBigCell()
&& selectedCell.getContainingBigCell().getPrevSibling() != null) {
target = selectedCell.getContainingBigCell().getPrevSibling();
} else if (selectedCell.getPrevSibling() != null) {
target = selectedCell.getPrevSibling();
} else {
target = selectedCell.getPrevLeaf(CellConditions.SELECTABLE);
}
if (target == null) return false;
/*
if (ModelAccess.instance().runReadAction(new Computable<Boolean>() {
public Boolean compute() {
return target.getSNode().isAncestorOf(selectedCell.getSNode());
}
})) return false;
*/
return target.executeAction(CellActionType.DELETE);
}
return false;
}
public List<INodeSubstituteAction> createActions() {
if (myLinkDeclaration == null) {
return Collections.emptyList();
}
EditorComponent editor = mySubstituteInfo.getEditorContext().getNodeEditorComponent();
EditorCell referenceCell =
editor.findNodeCellWithRole(
mySourceNode,
((String)
BehaviorManager.getInstance()
.invoke(
Object.class,
SNodeOperations.cast(
myLinkDeclaration,
"jetbrains.mps.lang.structure.structure.LinkDeclaration"),
"call_getGenuineRole_1213877254542",
new Class[] {SNode.class})));
if (referenceCell != null
&& referenceCell.getContainingBigCell().getFirstLeaf() == referenceCell
&& ReferenceConceptUtil.getCharacteristicReference(
SNodeOperations.getConceptDeclaration(mySourceNode))
== myLinkDeclaration
&& SNodeOperations.getParent(mySourceNode) != null
&& ListSequence.fromList(SNodeOperations.getChildren(mySourceNode)).isEmpty()) {
SNode parent = SNodeOperations.getParent(mySourceNode);
String role = SNodeOperations.getContainingLinkRole(mySourceNode);
SNode roleLink =
SNodeOperations.cast(
parent.getLinkDeclaration(role),
"jetbrains.mps.lang.structure.structure.LinkDeclaration");
return ModelActions.createChildSubstituteActions(
parent,
mySourceNode,
SLinkOperations.getTarget(roleLink, "target", false),
new DefaultChildNodeSetter(roleLink),
mySubstituteInfo.getOperationContext());
}
return ModelActions.createReferentSubstituteActions(
mySourceNode, myCurrentReferent, myLinkDeclaration, mySubstituteInfo.getOperationContext());
}