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);
}
public void highlight(EditorCell cell, EditorCell cell2, Color c) {
assert SwingUtilities.isEventDispatchThread()
: "LeftEditorHighlighter.unHighlight() should be called in eventDispatchThread";
assert cell.getEditor() == myEditorComponent : "cell must be from my editor";
myBracketsPainter.addBracket(cell, cell2, c);
}