javax.swing.DefaultComboBoxModel#getSelectedItem ( )源码实例Demo

protected void validateState() {
  final DefaultComboBoxModel queries = getQueries();
  setQuerySelected( queries.getSelectedItem() != null );

  if ( queries.getSelectedItem() == null ) {
    setPreviewPossible( false );
    return;
  }

  final DataSetQuery o = (DataSetQuery) queries.getSelectedItem();
  if ( o == null || StringUtils.isEmpty( o.getQueryName() ) ) {
    setPreviewPossible( false );
    return;
  }

  setPreviewPossible( true );
}
 

private void updateStatisticsComboBox() {
    String newName = Statistic.GRANULARITY_MAXIMUM.getName(gui.getGranularity());

    @SuppressWarnings("unchecked")
    DefaultComboBoxModel<Object> model = (DefaultComboBoxModel<Object>) ((JComboBox<Object>) statsPanel
            .getComponent(1)).getModel();

    boolean reselect = false;

    if (model.getSelectedItem() == model.getElementAt(4)) {
        reselect = true;
    }

    model.removeElementAt(4);
    model.insertElementAt(newName, 4);

    if (reselect) {
        model.setSelectedItem(newName);
    }
}
 

private void cbComboBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cbComboBoxActionPerformed
  DefaultComboBoxModel<ConnectionParamSet> model
      = (DefaultComboBoxModel<ConnectionParamSet>) cbComboBox.getModel();
  ConnectionParamSet cb = (ConnectionParamSet) model.getSelectedItem();

  if (cb != null) {
    textFieldDescription.setText(cb.getDescription());
    textFieldServer.setText(cb.getHost());
    textFieldPort.setText(String.valueOf(cb.getPort()));
  }
}
 

public void propertyChange(final PropertyChangeEvent aEvent)
{
  final DataSourceDialogModel theDialogModel = (DataSourceDialogModel) aEvent.getSource();
  final DefaultComboBoxModel theConnections = theDialogModel.getConnections();
  final Object theConnection = theConnections.getSelectedItem();
  if (theConnection != null)
  {
    dataSourceList.setSelectedValue(theConnection, true);
  }
  else
  {
    dataSourceList.clearSelection();
  }
}
 

public void contentsChanged(final ListDataEvent e)
{
  final DefaultComboBoxModel connections = getConnections();
  final DataSetComboBoxModel<String> queries = getQueries();
  setConnectionSelected(connections.getSelectedItem() != null);
  setQuerySelected(queries.getSelectedItem() != null);

  if (connections.getSelectedItem() == null)
  {
    setPreviewPossible(false);
    return;
  }

  if (queries.getSelectedItem() == null)
  {
    setPreviewPossible(false);
    return;
  }

  final DataSetQuery o = (DataSetQuery) queries.getSelectedItem();
  if (o == null || StringUtils.isEmpty(o.getQueryName()))
  {
    setPreviewPossible(false);
    return;
  }

  setPreviewPossible(true);
}
 

public void componentOpened() {
   // TODO add custom code on component opening
   aModel = OpenSimDB.getInstance().getCurrentModel();
   if (aModel==null){
      jModelNameLabel.setText("No Models");
      hasModel=false;
      coords = null;    // Don't keep reference to old model's coordinates to avoid memory leak'
      mapCoordinates2Sliders.clear();
      updateAvailability();
      updatePosesPopup();
      return;
   }
   else if (aModel instanceof ModelForExperimentalData){
       jModelNameLabel.setText("");
      coords = null;    // Don't keep reference to old model's coordinates to avoid memory leak'
      mapCoordinates2Sliders.clear();
      hasModel = false;
      updateAvailability();
      updatePosesPopup();
      return;
   }
   openSimContext = OpenSimDB.getInstance().getContext(aModel);
   hasModel=true;
   if (ViewDB.getInstance().getModelSavedSettings(aModel)==null)
      modelHasFile = false;
   else{
      modelHasFile=true;
      prefs=ViewDB.getInstance().getModelSavedSettings(aModel).getPrefs();
   }
   jModelNameLabel.setText(aModel.getName());
   if (aModel.getNumCoordinates()==0) return;
   coords = aModel.getCoordinateSet();
   updateAvailability();
   Vector<String> coordinateGroupNames = new Vector<String>();
   for(int i=0; i<coords.getNumGroups(); i++)
      coordinateGroupNames.add(coords.getGroup(i).getName());
   groupsComboBoxModel = new DefaultComboBoxModel(coordinateGroupNames);
   jCoordinateGroupsComboBox.setModel(groupsComboBoxModel);
   String currentGroupName= (String)groupsComboBoxModel.getSelectedItem();
   //currentGroup = coords.getGroup(currentGroupName);
   // Create CoordinateSliderWithBox for each coordinate and add them to the ScrollPane
   updateDisplayGroup();
   ViewDB.getInstance().updateModelDisplay(OpenSimDB.getInstance().getCurrentModel());
   updatePosesPopup();
}