ComboBoxModel.java

package org.myrobotlab.control.opencv;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.HashMap;

import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.MutableComboBoxModel;
import javax.swing.event.ListDataListener;

import org.myrobotlab.logging.LoggerFactory;
import org.slf4j.Logger;

public class ComboBoxModel implements MutableComboBoxModel, ActionListener {
  public final static Logger log = LoggerFactory.getLogger(ComboBoxModel.class.toString());

  private static final DefaultComboBoxModel<Object> model = new DefaultComboBoxModel<Object>();

  private static final HashMap<String, String> modelMap = new HashMap<String, String>();

  private static final HashMap<String, ArrayList<String>> possibleSources = new HashMap<String, ArrayList<String>>();

  private String selected;
  private OpenCVFilterGUI filterGUI;

  public static void addElement(String name, String source) {
    model.addElement(source);
    modelMap.put(name, name);
    ArrayList<String> possible;
    if (possibleSources.containsKey(name)) {
      possible = possibleSources.get(name);
    } else {
      possible = new ArrayList<String>();
      possibleSources.put(name, possible);
    }
    possible.add(source);
  }

  static public boolean contains(String key) {
    return modelMap.containsKey(key);
  }

  public static void removeSource(String name) {
    ArrayList<String> possible = possibleSources.get(name);
    modelMap.remove(name);
    for (String source : possible) {
      model.removeElement(source);
    }
  }

  public ComboBoxModel(OpenCVFilterGUI openCVFilterGUI) {
    this.filterGUI = openCVFilterGUI;
  }

  @Override
  public void actionPerformed(ActionEvent e) {
    JComboBox<String> input = (JComboBox<String>) e.getSource();
    if ((String) input.getSelectedItem() != null) {
      filterGUI.boundFilter.filter.sourceKey = (String) input.getSelectedItem();
    }
  }

  @Override
  public void addElement(Object obj) {
    // modelMap.put((String)obj, (String)obj);
    model.addElement(obj);
  }

  @Override
  public void addListDataListener(ListDataListener l) {
    model.addListDataListener(l);
  }

  @Override
  public Object getElementAt(int index) {
    return model.getElementAt(index);
  }

  @Override
  public Object getSelectedItem() {
    return selected;
  }

  @Override
  public int getSize() {
    return model.getSize();
  }

  @Override
  public void insertElementAt(Object obj, int index) {
    // modelMap.put((String)obj, (String)obj);
    model.insertElementAt(obj, index);
  }

  // FIXME FIXME FIXME - DANGEROUS & POSSIBLY WRONG - MABYE NOT SUPPORTED
  // REMOTELY !!!!
  // FIXME FIXME

  @Override
  public void removeElement(Object obj) {
    // modelMap.remove((String) obj);
    model.removeElement(obj);
  }

  @Override
  public void removeElementAt(int index) {
    String t = (String) getElementAt(index);
    if (t != null) {
      modelMap.remove(t);
    }
    model.removeElementAt(index);
  }

  @Override
  public void removeListDataListener(ListDataListener l) {
    model.removeListDataListener(l);
  }

  @Override
  public void setSelectedItem(Object anItem) {
    // TODO Auto-generated method stub
    selected = (String) anItem;
  }

  /*
   * static public DefaultComboBoxModel getModel() { return model; }
   */

}