100   protected ComboBoxModel dataModel;  field in JComboBox
289     if (dataModel != null)  in setModel()
292         if (dataModel == newDataModel)  in setModel()
296         dataModel.removeListDataListener(this);  in setModel()
306     ComboBoxModel oldDataModel = dataModel;  in setModel()
307     dataModel = newDataModel;  in setModel()
311     firePropertyChange("model", oldDataModel, dataModel);  in setModel()
321     return dataModel;  in getModel()
472     dataModel.setSelectedItem(item);  in setSelectedItem()
484     return dataModel.getSelectedItem();  in getSelectedItem()
499   	if (index < -1 || index >= dataModel.getSize())  in setSelectedIndex()
505       setSelectedItem((index == -1) ? null : dataModel.getElementAt(index));  in setSelectedIndex()
527         if (dataModel instanceof DefaultComboBoxModel)  in getSelectedIndex()
529           return ((DefaultComboBoxModel) dataModel).getIndexOf(selectedItem);  in getSelectedIndex()
533             int size = dataModel.getSize();  in getSelectedIndex()
537                 Object o = dataModel.getElementAt(i);  in getSelectedIndex()
592   	if (dataModel instanceof MutableComboBoxModel)  in addItem()
593       ((MutableComboBoxModel) dataModel).addElement(element);  in addItem()
610 	if (dataModel instanceof MutableComboBoxModel)  in insertItemAt()
611       ((MutableComboBoxModel) dataModel).insertElementAt(element, index);  in insertItemAt()
627 	if (dataModel instanceof MutableComboBoxModel)  in removeItem()
628       ((MutableComboBoxModel) dataModel).removeElement(element);  in removeItem()
645     if (dataModel instanceof MutableComboBoxModel)  in removeItemAt()
646       ((MutableComboBoxModel) dataModel).removeElementAt(index);  in removeItemAt()
662     if (dataModel instanceof DefaultComboBoxModel)  in removeAllItems()
664       ((DefaultComboBoxModel) dataModel).removeAllElements();  in removeAllItems()
665     else if (dataModel instanceof MutableComboBoxModel)  in removeAllItems()
668         MutableComboBoxModel mcbm = (MutableComboBoxModel) dataModel;  in removeAllItems()
1067     return dataModel.getSize();
1079     return dataModel.getElementAt(index);