actionevent.java

来自「jetspeed源代码」· Java 代码 · 共 107 行

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 * This software consists of voluntary contributions made by many
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 */

package org.apache.jetspeed.portlet.event;

import org.apache.jetspeed.portlet.*;

/**
 ** An <CODE>ActionEvent</CODE> is sent by the portlet container when
 ** an HTTP request is received that is associated with one more
 ** actions.
 **
 ** @see   PortletAction
 ** @see   ActionListener
 ** @see   ActionAdapter
 **
 ** @author   <A HREF="mailto:[e-mail]">Thomas F. Boehme</A>
 **/

public interface ActionEvent extends Event
{
    /**
     * Event identifier indicating that portlet request has been
     * received that one or more actions associated with it. Each
     * action will result in a separate event being fired.
     * 
     * <P>
     * An event with this id is fired when an action has to be
     * performed.
     * </P>
     */
    public final static int ACTION_PERFORMED = 1001;

    /**
     * Returns the action that this action event carries.
     * 
     * @return the portlet action
     */
    public PortletAction getAction ();

    /**
     * Changes the mode of the portlet. Use this function to set the
     * mode in which the portlet is shown next.
     * 
     * @param mode   the new portlet mode
     */
    public void changePortletMode(Portlet.Mode mode);
    
    /**
     * Changes the state of the portlet window. Use this function 
     * to set the state in which the portlet window is shown next.
     * 
     * @param state  the new portlet window state
     */
    public void changePortletWindowState(PortletWindow.State state);
}