private static <T extends AbstractJaxb> void execute(T target, Pattern pattern) {
TagEnum tagEnum = TagEnum.valueOf(target.getClass().getSimpleName().toUpperCase());
switch (tagEnum) {
case A:
A a = (A) target;
if (idMatch(a.getId(), pattern)) {
a.setId(null);
}
unsetAllIdWithinObjectList(a.getContent(), pattern);
break;
case ABBR:
Abbr abbr = (Abbr) target;
if (idMatch(abbr.getId(), pattern)) {
abbr.setId(null);
}
unsetAllIdWithinObjectList(abbr.getContent(), pattern);
break;
case ACRONYM:
Acronym acronym = (Acronym) target;
if (idMatch(acronym.getId(), pattern)) {
acronym.setId(null);
}
unsetAllIdWithinObjectList(acronym.getContent(), pattern);
break;
case ADDRESS:
Address address = (Address) target;
if (idMatch(address.getId(), pattern)) {
address.setId(null);
}
unsetAllIdWithinObjectList(address.getContent(), pattern);
break;
case APPLET:
Applet applet = (Applet) target;
if (idMatch(applet.getId(), pattern)) {
applet.setId(null);
}
unsetAllIdWithinObjectList(applet.getContent(), pattern);
break;
case AREA:
Area area = (Area) target;
if (idMatch(area.getId(), pattern)) {
area.setId(null);
}
// area is empty element.
break;
case B:
B b = (B) target;
if (idMatch(b.getId(), pattern)) {
b.setId(null);
}
unsetAllIdWithinObjectList(b.getContent(), pattern);
break;
case BASE:
Base base = (Base) target;
if (idMatch(base.getId(), pattern)) {
base.setId(null);
}
// empty element.
break;
case BASEFONT:
Basefont basefont = (Basefont) target;
if (idMatch(basefont.getId(), pattern)) {
basefont.setId(null);
}
// empty element.
break;
case BDO:
Bdo bdo = (Bdo) target;
if (idMatch(bdo.getId(), pattern)) {
bdo.setId(null);
}
unsetAllIdWithinObjectList(bdo.getContent(), pattern);
break;
case BIG:
Big big = (Big) target;
if (idMatch(big.getId(), pattern)) {
big.setId(null);
}
unsetAllIdWithinObjectList(big.getContent(), pattern);
break;
case BLOCKQUOTE:
Blockquote blockquote = (Blockquote) target;
if (idMatch(blockquote.getId(), pattern)) {
blockquote.setId(null);
}
unsetAllIdWithinObjectList(blockquote.getContent(), pattern);
break;
case BODY:
Body body = (Body) target;
if (idMatch(body.getId(), pattern)) {
body.setId(null);
}
unsetAllIdWithinObjectList(body.getContent(), pattern);
break;
case BR:
Br br = (Br) target;
if (idMatch(br.getId(), pattern)) {
br.setId(null);
}
// empty element.
break;
case BUTTON:
Button button = (Button) target;
if (idMatch(button.getId(), pattern)) {
button.setId(null);
}
unsetAllIdWithinObjectList(button.getContent(), pattern);
break;
case CAPTION:
Caption caption = (Caption) target;
if (idMatch(caption.getId(), pattern)) {
caption.setId(null);
}
unsetAllIdWithinObjectList(caption.getContent(), pattern);
break;
case CENTER:
Center center = (Center) target;
if (idMatch(center.getId(), pattern)) {
center.setId(null);
}
unsetAllIdWithinObjectList(center.getContent(), pattern);
break;
case CITE:
Cite cite = (Cite) target;
if (idMatch(cite.getId(), pattern)) {
cite.setId(null);
}
unsetAllIdWithinObjectList(cite.getContent(), pattern);
break;
case CODE:
Code code = (Code) target;
if (idMatch(code.getId(), pattern)) {
code.setId(null);
}
unsetAllIdWithinObjectList(code.getContent(), pattern);
break;
case COL:
Col col = (Col) target;
if (idMatch(col.getId(), pattern)) {
col.setId(null);
}
// empty element.
break;
case COLGROUP:
Colgroup colgroup = (Colgroup) target;
if (idMatch(colgroup.getId(), pattern)) {
colgroup.setId(null);
}
for (Col tmpcol : colgroup.getCol()) {
execute(tmpcol, pattern);
}
break;
case DD:
Dd dd = (Dd) target;
if (idMatch(dd.getId(), pattern)) {
dd.setId(null);
}
unsetAllIdWithinObjectList(dd.getContent(), pattern);
break;
case DEL:
Del del = (Del) target;
if (idMatch(del.getId(), pattern)) {
del.setId(null);
}
unsetAllIdWithinObjectList(del.getContent(), pattern);
break;
case DFN:
Dfn dfn = (Dfn) target;
if (idMatch(dfn.getId(), pattern)) {
dfn.setId(null);
}
unsetAllIdWithinObjectList(dfn.getContent(), pattern);
break;
case DIR:
Dir dir = (Dir) target;
if (idMatch(dir.getId(), pattern)) {
dir.setId(null);
}
for (Li tmpli : dir.getLi()) {
execute(tmpli, pattern);
}
break;
case DIV:
Div div = (Div) target;
if (idMatch(div.getId(), pattern)) {
div.setId(null);
}
unsetAllIdWithinObjectList(div.getContent(), pattern);
break;
case DL:
Dl dl = (Dl) target;
if (idMatch(dl.getId(), pattern)) {
dl.setId(null);
}
for (AbstractJaxb aj : dl.getDtOrDd()) {
execute(aj, pattern);
}
break;
case DT:
Dt dt = (Dt) target;
if (idMatch(dt.getId(), pattern)) {
dt.setId(null);
}
unsetAllIdWithinObjectList(dt.getContent(), pattern);
break;
case EM:
Em em = (Em) target;
if (idMatch(em.getId(), pattern)) {
em.setId(null);
}
unsetAllIdWithinObjectList(em.getContent(), pattern);
break;
case FIELDSET:
Fieldset fieldset = (Fieldset) target;
if (idMatch(fieldset.getId(), pattern)) {
fieldset.setId(null);
}
unsetAllIdWithinObjectList(fieldset.getContent(), pattern);
break;
case FONT:
Font font = (Font) target;
if (idMatch(font.getId(), pattern)) {
font.setId(null);
}
unsetAllIdWithinObjectList(font.getContent(), pattern);
break;
case FORM:
Form form = (Form) target;
if (idMatch(form.getId(), pattern)) {
form.setId(null);
}
unsetAllIdWithinObjectList(form.getContent(), pattern);
break;
case H1:
H1 h1 = (H1) target;
if (idMatch(h1.getId(), pattern)) {
h1.setId(null);
}
unsetAllIdWithinObjectList(h1.getContent(), pattern);
break;
case H2:
H2 h2 = (H2) target;
if (idMatch(h2.getId(), pattern)) {
h2.setId(null);
}
unsetAllIdWithinObjectList(h2.getContent(), pattern);
break;
case H3:
H3 h3 = (H3) target;
if (idMatch(h3.getId(), pattern)) {
h3.setId(null);
}
unsetAllIdWithinObjectList(h3.getContent(), pattern);
break;
case H4:
H4 h4 = (H4) target;
if (idMatch(h4.getId(), pattern)) {
h4.setId(null);
}
unsetAllIdWithinObjectList(h4.getContent(), pattern);
break;
case H5:
H5 h5 = (H5) target;
if (idMatch(h5.getId(), pattern)) {
h5.setId(null);
}
unsetAllIdWithinObjectList(h5.getContent(), pattern);
break;
case H6:
H6 h6 = (H6) target;
if (idMatch(h6.getId(), pattern)) {
h6.setId(null);
}
unsetAllIdWithinObjectList(h6.getContent(), pattern);
break;
case HGROUP:
Hgroup hgroup = (Hgroup) target;
if (idMatch(hgroup.getId(), pattern)) {
hgroup.setId(null);
}
for (AbstractJaxb aj : hgroup.getH1OrH2OrH3()) {
execute(aj, pattern);
}
break;
case HEAD:
Head head = (Head) target;
if (idMatch(head.getId(), pattern)) {
head.setId(null);
}
for (AbstractJaxb aj : head.getContent()) {
execute(aj, pattern);
}
break;
case HR:
Hr hr = (Hr) target;
if (idMatch(hr.getId(), pattern)) {
hr.setId(null);
}
// hr is empty element.
break;
case HTML:
Html html = (Html) target;
if (idMatch(html.getId(), pattern)) {
html.setId(null);
}
execute(html.getHead(), pattern);
execute(html.getBody(), pattern);
break;
case I:
I i = (I) target;
if (idMatch(i.getId(), pattern)) {
i.setId(null);
}
unsetAllIdWithinObjectList(i.getContent(), pattern);
break;
case IFRAME:
Iframe iframe = (Iframe) target;
if (idMatch(iframe.getId(), pattern)) {
iframe.setId(null);
}
unsetAllIdWithinObjectList(iframe.getContent(), pattern);
break;
case IMG:
Img img = (Img) target;
if (idMatch(img.getId(), pattern)) {
img.setId(null);
}
// img is empty element.
break;
case INPUT:
Input input = (Input) target;
if (idMatch(input.getId(), pattern)) {
input.setId(null);
}
// input is empty element.
break;
case INS:
Ins ins = (Ins) target;
if (idMatch(ins.getId(), pattern)) {
ins.setId(null);
}
unsetAllIdWithinObjectList(ins.getContent(), pattern);
break;
case ISINDEX:
Isindex isindex = (Isindex) target;
if (idMatch(isindex.getId(), pattern)) {
isindex.setId(null);
}
// empty element.
break;
case KBD:
Kbd kbd = (Kbd) target;
if (idMatch(kbd.getId(), pattern)) {
kbd.setId(null);
}
unsetAllIdWithinObjectList(kbd.getContent(), pattern);
break;
case LABEL:
Label label = (Label) target;
if (idMatch(label.getId(), pattern)) {
label.setId(null);
}
unsetAllIdWithinObjectList(label.getContent(), pattern);
break;
case LEGEND:
Legend legend = (Legend) target;
if (idMatch(legend.getId(), pattern)) {
legend.setId(null);
}
unsetAllIdWithinObjectList(legend.getContent(), pattern);
break;
case LI:
Li li = (Li) target;
if (idMatch(li.getId(), pattern)) {
li.setId(null);
}
unsetAllIdWithinObjectList(li.getContent(), pattern);
break;
case LINK:
Link link = (Link) target;
if (idMatch(link.getId(), pattern)) {
link.setId(null);
}
// empty element.
break;
case MAIN:
Main main = (Main) target;
if (idMatch(main.getId(), pattern)) {
main.setId(null);
}
unsetAllIdWithinObjectList(main.getContent(), pattern);
break;
case MAP:
Map map = (Map) target;
if (idMatch(map.getId(), pattern)) {
map.setId(null);
}
for (Area tmpArea : map.getArea()) {
execute(tmpArea, pattern);
}
break;
case MENU:
Menu menu = (Menu) target;
if (idMatch(menu.getId(), pattern)) {
menu.setId(null);
}
unsetAllIdWithinObjectList(menu.getContent(), pattern);
break;
case META:
Meta meta = (Meta) target;
if (idMatch(meta.getId(), pattern)) {
meta.setId(null);
}
// empty element.
break;
case NOFRAMES:
Noframes noframes = (Noframes) target;
if (idMatch(noframes.getId(), pattern)) {
noframes.setId(null);
}
unsetAllIdWithinObjectList(noframes.getContent(), pattern);
break;
case NOSCRIPT:
Noscript noscript = (Noscript) target;
if (idMatch(noscript.getId(), pattern)) {
noscript.setId(null);
}
unsetAllIdWithinObjectList(noscript.getContent(), pattern);
break;
case OBJECT:
org.mixer2.jaxb.xhtml.Object object = (org.mixer2.jaxb.xhtml.Object) target;
if (idMatch(object.getId(), pattern)) {
object.setId(null);
}
unsetAllIdWithinObjectList(object.getContent(), pattern);
break;
case OL:
Ol ol = (Ol) target;
if (idMatch(ol.getId(), pattern)) {
ol.setId(null);
}
for (Li tmpli : ol.getLi()) {
execute(tmpli, pattern);
}
break;
case OPTGROUP:
Optgroup optgroup = (Optgroup) target;
if (idMatch(optgroup.getId(), pattern)) {
optgroup.setId(null);
}
for (Option tmpOption : optgroup.getOption()) {
execute(tmpOption, pattern);
}
break;
case OPTION:
Option option = (Option) target;
if (idMatch(option.getId(), pattern)) {
option.setId(null);
}
// option tag includes no other element.
break;
case P:
P p = (P) target;
if (idMatch(p.getId(), pattern)) {
p.setId(null);
}
unsetAllIdWithinObjectList(p.getContent(), pattern);
break;
case PARAM:
Param param = (Param) target;
if (idMatch(param.getId(), pattern)) {
param.setId(null);
}
// empty element.
break;
case PRE:
Pre pre = (Pre) target;
if (idMatch(pre.getId(), pattern)) {
pre.setId(null);
}
unsetAllIdWithinObjectList(pre.getContent(), pattern);
break;
case Q:
Q q = (Q) target;
if (idMatch(q.getId(), pattern)) {
q.setId(null);
}
unsetAllIdWithinObjectList(q.getContent(), pattern);
break;
case S:
S s = (S) target;
if (idMatch(s.getId(), pattern)) {
s.setId(null);
}
unsetAllIdWithinObjectList(s.getContent(), pattern);
break;
case SAMP:
Samp samp = (Samp) target;
if (idMatch(samp.getId(), pattern)) {
samp.setId(null);
}
unsetAllIdWithinObjectList(samp.getContent(), pattern);
break;
case SCRIPT:
Script script = (Script) target;
if (idMatch(script.getId(), pattern)) {
script.setId(null);
}
// script include no other element.
break;
case SELECT:
Select select = (Select) target;
if (idMatch(select.getId(), pattern)) {
select.setId(null);
}
for (AbstractJaxb aj : select.getOptgroupOrOption()) {
execute(aj, pattern);
}
break;
case SMALL:
Small small = (Small) target;
if (idMatch(small.getId(), pattern)) {
small.setId(null);
}
unsetAllIdWithinObjectList(small.getContent(), pattern);
break;
case SPAN:
Span span = (Span) target;
if (idMatch(span.getId(), pattern)) {
span.setId(null);
}
unsetAllIdWithinObjectList(span.getContent(), pattern);
break;
case STRIKE:
Strike strike = (Strike) target;
if (idMatch(strike.getId(), pattern)) {
strike.setId(null);
}
unsetAllIdWithinObjectList(strike.getContent(), pattern);
break;
case STRONG:
Strong strong = (Strong) target;
if (idMatch(strong.getId(), pattern)) {
strong.setId(null);
}
unsetAllIdWithinObjectList(strong.getContent(), pattern);
break;
case STYLE:
Style style = (Style) target;
if (idMatch(style.getId(), pattern)) {
style.setId(null);
}
// has no other element.
break;
case SUB:
Sub sub = (Sub) target;
if (idMatch(sub.getId(), pattern)) {
sub.setId(null);
}
unsetAllIdWithinObjectList(sub.getContent(), pattern);
break;
case SUP:
Sup sup = (Sup) target;
if (idMatch(sup.getId(), pattern)) {
sup.setId(null);
}
unsetAllIdWithinObjectList(sup.getContent(), pattern);
break;
case TABLE:
Table table = (Table) target;
if (idMatch(table.getId(), pattern)) {
table.setId(null);
}
if (table.isSetCaption()) {
execute(table.getCaption(), pattern);
}
for (Col tmpCol : table.getCol()) {
execute(tmpCol, pattern);
}
for (Colgroup tmpColgroup : table.getColgroup()) {
execute(tmpColgroup, pattern);
}
for (Tbody tmpTbody : table.getTbody()) {
execute(tmpTbody, pattern);
}
if (table.isSetThead()) {
execute(table.getThead(), pattern);
}
if (table.isSetTfoot()) {
execute(table.getTfoot(), pattern);
}
for (Tr tmpTr : table.getTr()) {
execute(tmpTr, pattern);
}
break;
case TBODY:
Tbody tbody = (Tbody) target;
if (idMatch(tbody.getId(), pattern)) {
tbody.setId(null);
}
for (Tr tmpTr : tbody.getTr()) {
execute(tmpTr, pattern);
}
break;
case TD:
Td td = (Td) target;
if (idMatch(td.getId(), pattern)) {
td.setId(null);
}
unsetAllIdWithinObjectList(td.getContent(), pattern);
break;
case TEXTAREA:
Textarea textarea = (Textarea) target;
if (idMatch(textarea.getId(), pattern)) {
textarea.setId(null);
}
// textarea has no other element.
break;
case TFOOT:
Tfoot tfoot = (Tfoot) target;
if (idMatch(tfoot.getId(), pattern)) {
tfoot.setId(null);
}
for (Tr tmpTr : tfoot.getTr()) {
execute(tmpTr, pattern);
}
break;
case TH:
Th th = (Th) target;
if (idMatch(th.getId(), pattern)) {
th.setId(null);
}
unsetAllIdWithinObjectList(th.getContent(), pattern);
break;
case THEAD:
Thead thead = (Thead) target;
if (idMatch(thead.getId(), pattern)) {
thead.setId(null);
}
for (Tr tmpTr : thead.getTr()) {
execute(tmpTr, pattern);
}
break;
case TITLE:
Title title = (Title) target;
if (idMatch(title.getId(), pattern)) {
title.setId(null);
}
// has no other element.
break;
case TR:
Tr tr = (Tr) target;
if (idMatch(tr.getId(), pattern)) {
tr.setId(null);
}
for (AbstractJaxb aj : tr.getThOrTd()) {
execute(aj, pattern);
}
break;
case TT:
Tt tt = (Tt) target;
if (idMatch(tt.getId(), pattern)) {
tt.setId(null);
}
unsetAllIdWithinObjectList(tt.getContent(), pattern);
break;
case U:
U u = (U) target;
if (idMatch(u.getId(), pattern)) {
u.setId(null);
}
unsetAllIdWithinObjectList(u.getContent(), pattern);
break;
case UL:
Ul ul = (Ul) target;
if (idMatch(ul.getId(), pattern)) {
ul.setId(null);
}
for (Li tmpLi : ul.getLi()) {
execute(tmpLi, pattern);
}
break;
case VAR:
Var var = (Var) target;
if (idMatch(var.getId(), pattern)) {
var.setId(null);
}
unsetAllIdWithinObjectList(var.getContent(), pattern);
break;
case ARTICLE:
Article article = (Article) target;
if (idMatch(article.getId(), pattern)) {
article.setId(null);
}
unsetAllIdWithinObjectList(article.getContent(), pattern);
break;
case ASIDE:
Aside aside = (Aside) target;
if (idMatch(aside.getId(), pattern)) {
aside.setId(null);
}
unsetAllIdWithinObjectList(aside.getContent(), pattern);
break;
case AUDIO:
Audio audio = (Audio) target;
if (idMatch(audio.getId(), pattern)) {
audio.setId(null);
}
unsetAllIdWithinObjectList(audio.getContent(), pattern);
break;
case BDI:
Bdi bdi = (Bdi) target;
if (idMatch(bdi.getId(), pattern)) {
bdi.setId(null);
}
unsetAllIdWithinObjectList(bdi.getContent(), pattern);
break;
case CANVAS:
Canvas canvas = (Canvas) target;
if (idMatch(canvas.getId(), pattern)) {
canvas.setId(null);
}
unsetAllIdWithinObjectList(canvas.getContent(), pattern);
break;
case COMMAND:
Command command = (Command) target;
if (idMatch(command.getId(), pattern)) {
command.setId(null);
}
// empty element
break;
case DATALIST:
Datalist datalist = (Datalist) target;
if (idMatch(datalist.getId(), pattern)) {
datalist.setId(null);
}
unsetAllIdWithinObjectList(datalist.getContent(), pattern);
break;
case DETAILS:
Details details = (Details) target;
if (idMatch(details.getId(), pattern)) {
details.setId(null);
}
unsetAllIdWithinObjectList(details.getContent(), pattern);
break;
case EMBED:
Embed embed = (Embed) target;
if (idMatch(embed.getId(), pattern)) {
embed.setId(null);
}
// empty element
break;
case FIGCAPTION:
Figcaption figcaption = (Figcaption) target;
if (idMatch(figcaption.getId(), pattern)) {
figcaption.setId(null);
}
unsetAllIdWithinObjectList(figcaption.getContent(), pattern);
break;
case FIGURE:
Figure figure = (Figure) target;
if (idMatch(figure.getId(), pattern)) {
figure.setId(null);
}
unsetAllIdWithinObjectList(figure.getContent(), pattern);
break;
case FOOTER:
Footer footer = (Footer) target;
if (idMatch(footer.getId(), pattern)) {
footer.setId(null);
}
unsetAllIdWithinObjectList(footer.getContent(), pattern);
break;
case HEADER:
Header header = (Header) target;
if (idMatch(header.getId(), pattern)) {
header.setId(null);
}
unsetAllIdWithinObjectList(header.getContent(), pattern);
break;
case KEYGEN:
Keygen keygen = (Keygen) target;
if (idMatch(keygen.getId(), pattern)) {
keygen.setId(null);
}
// empty element
break;
case MARK:
Mark mark = (Mark) target;
if (idMatch(mark.getId(), pattern)) {
mark.setId(null);
}
unsetAllIdWithinObjectList(mark.getContent(), pattern);
break;
case METER:
Meter meter = (Meter) target;
if (idMatch(meter.getId(), pattern)) {
meter.setId(null);
}
unsetAllIdWithinObjectList(meter.getContent(), pattern);
break;
case NAV:
Nav nav = (Nav) target;
if (idMatch(nav.getId(), pattern)) {
nav.setId(null);
}
unsetAllIdWithinObjectList(nav.getContent(), pattern);
break;
case OUTPUT:
Output output = (Output) target;
if (idMatch(output.getId(), pattern)) {
output.setId(null);
}
unsetAllIdWithinObjectList(output.getContent(), pattern);
break;
case PROGRESS:
Progress progress = (Progress) target;
if (idMatch(progress.getId(), pattern)) {
progress.setId(null);
}
unsetAllIdWithinObjectList(progress.getContent(), pattern);
break;
case RP:
Rp rp = (Rp) target;
if (idMatch(rp.getId(), pattern)) {
rp.setId(null);
}
unsetAllIdWithinObjectList(rp.getContent(), pattern);
break;
case RT:
Rt rt = (Rt) target;
if (idMatch(rt.getId(), pattern)) {
rt.setId(null);
}
unsetAllIdWithinObjectList(rt.getContent(), pattern);
break;
case RUBY:
Ruby ruby = (Ruby) target;
if (idMatch(ruby.getId(), pattern)) {
ruby.setId(null);
}
unsetAllIdWithinObjectList(ruby.getContent(), pattern);
break;
case SECTION:
Section section = (Section) target;
if (idMatch(section.getId(), pattern)) {
section.setId(null);
}
unsetAllIdWithinObjectList(section.getContent(), pattern);
break;
case SOURCE:
Source source = (Source) target;
if (idMatch(source.getId(), pattern)) {
source.setId(null);
}
break;
case SUMMARY:
Summary summary = (Summary) target;
if (idMatch(summary.getId(), pattern)) {
summary.setId(null);
}
unsetAllIdWithinObjectList(summary.getContent(), pattern);
break;
case TIME:
Time time = (Time) target;
if (idMatch(time.getId(), pattern)) {
time.setId(null);
}
unsetAllIdWithinObjectList(time.getContent(), pattern);
break;
case TRACK:
Track track = (Track) target;
if (idMatch(track.getId(), pattern)) {
track.setId(null);
}
// empty element
break;
case VIDEO:
Video video = (Video) target;
if (idMatch(video.getId(), pattern)) {
video.setId(null);
}
unsetAllIdWithinObjectList(video.getContent(), pattern);
break;
case WBR:
Wbr wbr = (Wbr) target;
if (idMatch(wbr.getId(), pattern)) {
wbr.setId(null);
}
// empty element
break;
}
}
/**
* Transforms given binned index (short) from class column into a value from interval [0..N-1]
* corresponding to a particular predictor class
*/
public int unmapClass(int clazz) {
Col c = _c[_c.length - 1];
if (c._isByte) return clazz;
else {
// OK, this is not fully correct bad handle corner-cases like for example dataset uses classes
// only
// with 0 and 3. Our API reports that there are 4 classes but in fact there are only 2
// classes.
if (clazz >= c._binned2raw.length) clazz = c._binned2raw.length - 1;
return (int) (c.raw(clazz) - c._min);
}
}
@Override
public Object getValueAt(int row, int col) {
OpenMeetingsRecording recording = getObject(row);
switch (Col.values()[col]) {
case name:
return recording.getFilename();
default:
return "ERROR";
}
}
public void shrink() {
for (Col c : _c) c.shrink();
}
public void addCol(Col col) {
col.setColgroup(this);
addContent(col);
}