Application: gvSIG desktop » Library: org.gvsig.tools

package org.gvsig.tools.swing.impl;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.HashSet;

import java.util.Iterator;

import java.util.Set;

import org.gvsig.tools.swing.api.ActionListenerSupport;

public class DefaultActionListenerSupport implements ActionListenerSupport {

    protected Set listeners = new HashSet();

    @Override

    public void addActionListener(ActionListener listener) {

        listeners.add(listener);

    }

    @Override

    public ActionListener[] getActionListeners() {

        return (ActionListener[]) this.listeners.toArray(new ActionListener[this.listeners.size()]);

    }

    @Override

    public boolean hasActionListeners() {

        return !this.listeners.isEmpty();

    }

    @Override

    public void removeActionListener(ActionListener listener) {

        listeners.remove(listener);

    }

    @Override

    public void removeAllActionListener() {

        this.listeners.clear();

    }

    @Override

    public void fireActionEvent(ActionEvent event) {

        Iterator it = this.listeners.iterator();

        while (it.hasNext()) {

            ActionListener listener = (ActionListener) it.next();

            listener.actionPerformed(event);

        }

    }

}