protected void moveUp(
ICompositeNode node, ICompositeNode previousNode, IModificationContext context)
throws BadLocationException {
IXtextDocument document = context.getXtextDocument();
String text = node.getText() + previousNode.getText();
text = text.trim();
remove(document, node);
document.replace(previousNode.getOffset(), previousNode.getLength(), text);
}
protected void remove(IXtextDocument document, ICompositeNode node) throws BadLocationException {
int offset = node.getOffset();
int length = node.getLength();
if (node.hasPreviousSibling()) {
INode previousSibling = node.getPreviousSibling();
int endOffset = previousSibling.getEndOffset();
length = length + (offset - endOffset);
offset = endOffset;
}
document.replace(offset, length, "");
}
protected int[] getOffsetAndLength(XIfExpression ifExpression, ICompositeNode node) {
int offset = node.getOffset();
int length = node.getLength();
if (ifExpression.getElse() != null) {
ICompositeNode elseNode = NodeModelUtils.findActualNodeFor(ifExpression.getElse());
if (elseNode != null) {
length = elseNode.getOffset() - offset;
}
} else {
XIfExpression parentIfExpression =
EcoreUtil2.getContainerOfType(ifExpression.eContainer(), XIfExpression.class);
if (parentIfExpression != null && parentIfExpression.getElse() == ifExpression) {
ICompositeNode thenNode = NodeModelUtils.findActualNodeFor(parentIfExpression.getThen());
if (thenNode != null) {
int endOffset = thenNode.getEndOffset();
length = length + (offset - endOffset);
offset = endOffset;
}
}
}
return new int[] {offset, length};
}
private IRegion[] regionOf(Content content) {
ICompositeNode node = NodeModelUtils.getNode(content);
int length = node.getLength();
int offset = node.getOffset();
return new Region[] {new Region(offset, length)};
}