Danny Sporea wrote:
In the table, the 2 rows appear as "10" and "10.32".
Is there any way to format "10" to appear as "10.00" ?
I don't want to set it up as a String, since using
Double creates an edit spin box in that cell that
allows only numeric values, as opposed to the String
that is just a free text entry box...
Hi, Danny.
The simplest way I think would be to return a String for the display
role of the model. As long as the edit mode still returns a double, the
correct editor will be used.
I've attached a short example of how this can be achieved.
-- Eskil
import com.trolltech.qt.core.QModelIndex;
import com.trolltech.qt.core.Qt;
import com.trolltech.qt.gui.QApplication;
import com.trolltech.qt.gui.QStandardItemModel;
import com.trolltech.qt.gui.QTableView;
public class CustomDisplayRole extends QTableView {
public CustomDisplayRole() {
QStandardItemModel sim = new QStandardItemModel() {
@Override
public Object data(QModelIndex index, int role) {
Object data = super.data(index, role);
if (role == Qt.ItemDataRole.DisplayRole && data instanceof Double)
data = String.format("%1$.2f", data);
return data;
}
};
sim.setColumnCount(5);
sim.setRowCount(5);
QModelIndex index1 = sim.index(0, 0);
QModelIndex index2 = sim.index(1, 0);
sim.setData( index1, new Double( 10.0 ) );
sim.setData( index2, new Double( 10.32 ) );
setModel(sim);
}
public static void main(String args[]) {
QApplication.initialize(args);
CustomDisplayRole sim = new CustomDisplayRole();
sim.show();
QApplication.exec();
}
}
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