/** Adds the header to the TreeTable. */
protected void addHeader() {
// create the view for side columns
SideColumnsView sideColumns = new SideColumnsView("sideColumns", null);
add(sideColumns);
if (columns != null) {
for (int i = 0; i < columns.length; i++) {
IColumn column = columns[i];
if ((column.getLocation().getAlignment() == Alignment.LEFT)
|| (column.getLocation().getAlignment() == Alignment.RIGHT)) {
TreeTableItem component = new TreeTableItem(i);
Component cell = column.newHeader(sideColumns, TreeTableItem.ID);
component.add(cell);
sideColumns.addColumn(column, component, null);
}
}
}
// create the view for middle columns
MiddleColumnsView middleColumns = new MiddleColumnsView("middleColumns", null, hasLeftColumn());
add(middleColumns);
if (columns != null) {
for (int i = 0; i < columns.length; i++) {
IColumn column = columns[i];
if (column.getLocation().getAlignment() == Alignment.MIDDLE) {
TreeTableItem component = new TreeTableItem(i);
Component cell = column.newHeader(middleColumns, TreeTableItem.ID);
component.add(cell);
middleColumns.addColumn(column, component, null);
}
}
}
}
