@Override
public void selectionChanged(ITextSelection selection) {
try {
if (editor.getModule() != null) {
this.node = editor.getModule().getNodeAtPosition(selection.getOffset());
} else {
this.node = null;
}
} catch (YangModelException e) {
this.node = null;
}
setEnabled(node != null && (node instanceof GroupingDefinition || node instanceof UsesNode));
}
@Override
public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
@SuppressWarnings("deprecation")
String info = super.getHoverInfo(textViewer, hoverRegion);
if (info != null) {
return HelpCompositionUtils.wrapHtmlText(info, null);
}
String hoverInfo = null;
YangEditor editor = (YangEditor) getEditor();
if (editor != null) {
try {
Module module = editor.getModule();
if (module != null) {
ASTNode node = module.getNodeAtPosition(hoverRegion.getOffset());
hoverInfo = HelpCompositionUtils.getNodeHelp(node);
}
} catch (YangModelException e) {
YangCorePlugin.log(e);
}
}
return hoverInfo;
}