Definitely use the built-in methods in GWT 2.2, as Thomas linked. However,
If you cant upgrade for some reason, this snippet served me well:
public class MyCellTable extends CellTable {
// ... other methods ...
public void setColumnWidths(String... widths){
NodeList<Element> colgroups = TableElement.as(getElement())
.getElementsByTagName("colgroup");
if(colgroups.getLength() == 1){
TableColElement cge = TableColElement.as(colgroups.getItem(0));
NodeList<Element> cols = cge.getElementsByTagName("col");
for(int i = 0; i < widths.length; i++){
TableColElement column = null;
if(cols.getLength() > i){
column = TableColElement.as(cols.getItem(i));
}else{
column =
cge.appendChild(Document.get().createColElement());
}
column.setWidth(widths[i]);
}
}
}
}
Usage:
MyCellTable table = new MyCellTable();
table.addColumn(new Column());
table.addColumn(new Column());
table.setColumnWidths("100px", "50%");
I believe I got this from someone else in this group, but I forget who
(sorry!)
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