public void setEditable(final boolean editable) {
    if ((m_model == null) || (m_lineEditor == null)) {
      return;
    }

    m_editable = editable;

    if (m_editable) {
      m_selectable = true;
    }
  }
Adds another line add the end of the label content.

@param line The line to add.
java/zylib/src/main/java/com/google/security/zynamics/zylib/gui/zygraph/realizers/ZyLabelContent.java