org.jdesktop.swingx.combobox.ListComboBoxModel Maven / Gradle / Ivy

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/*
 * ListComboBoxModel.java
 *
 * Created on July 12, 2006, 6:38 PM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package org.jdesktop.swingx.combobox;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;
import javax.swing.ComboBoxModel;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;

/**
 *
 * @author jm158417
 */
public class ListComboBoxModel implements ComboBoxModel, ActionListener {
    
    ListComboBoxModel() {
        this.listeners = new ArrayList();
        data = new ArrayList();
    }
    
    protected List data;
    public ListComboBoxModel(List list) {
        this();
        this.data = list;
        if(list.size() > 0) {
            selected = list.get(0);
        }
    }
    
    protected Object selected;
    public void setSelectedItem(Object item) {
        this.selected = item;
    }
    public Object getSelectedItem() {
        return this.selected;
    }
    
    
    public Object getElementAt(int index) {
        return data.get(index);
    }
    public int getSize() {
        return data.size();
    }
    
    protected List listeners;
    public void addListDataListener(ListDataListener l) {
        listeners.add(l);
    }
    public void removeListDataListener(ListDataListener l) {
        this.listeners.remove(l);
    }
    
    public void actionPerformed(ActionEvent evt) {
        if(evt.getActionCommand().equals("update")) {
            this.fireUpdate();
        }
    }

    public void fireUpdate() {
        ListDataEvent le = new ListDataEvent(this, 
            ListDataEvent.CONTENTS_CHANGED,
            0,
            data.size());
        for(int i=0; i