@Override
public void renderLine(int lineNumber, CodeLine line) {
this.currentLine = lineNumber;
if (lineNumber >= this.lines.size()) {
this.lines.add(line);
line.redraw();
this.add(line.asWidget(), this.getElement());
} else { // Reuse the line
CodeLine oldLine = this.lines.get(lineNumber);
if (!oldLine.equals(line)) {
oldLine.setTokens(line.getTokens());
oldLine.redraw();
}
}
}
