public boolean operate(MainForm mainForm, EditForm editDialog) {
DefaultListModel list1 = (DefaultListModel) mainForm.getDataList().getModel();
list1.set(0, "2343223432");
int[] row = mainForm.getDataList().getSelectedIndices();
if (row.length == 0) return false;
// only edit the first one;
int index = row[0];
DefaultListModel list = (DefaultListModel) mainForm.getDataList().getModel();
editDialog = (EditForm) mainForm.getEditDialog();
try {
double x = Double.parseDouble(editDialog.getNewX().getText());
double y = Double.parseDouble(editDialog.getNewY().getText());
String dataPointToAdd = x + " , " + y;
list.set(index, dataPointToAdd);
data.editDataPoint(index, x, y);
return true;
} catch (NumberFormatException | NullPointerException e) {
e.printStackTrace();
return false;
}
}
