swing/action/ActionManager.java

/*
 * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.java.swing.action;

import java.util.HashMap;
import javax.swing.Action;
import javax.swing.ImageIcon;

// Referenced classes of package com.sun.java.swing.action:
//            DelegateAction, StateChangeAction, ActionUtilities

public abstract class ActionManager
{

    protected ActionManager()
    {
        actions = new HashMap();
        addActions();
    }

    public static ActionManager getInstance()
    {
        return manager;
    }

    protected abstract void addActions();

    protected void addAction(String cmdname, Action action)
    {
        actions.put(cmdname, action);
    }

    public Action getAction(String key)
    {
        return (Action)actions.get(key);
    }

    public DelegateAction getDelegateAction(String name)
    {
        Action a = getAction(name);
        if(a instanceof DelegateAction)
            return (DelegateAction)a;
        else
            return null;
    }

    public StateChangeAction getStateChangeAction(String name)
    {
        Action a = getAction(name);
        if(a instanceof StateChangeAction)
            return (StateChangeAction)a;
        else
            return null;
    }

    public static ImageIcon getIcon(String name)
    {
        return utilities.getIcon(name);
    }

    public void setActionEnabled(String name, boolean enabled)
    {
        Action action = getAction(name);
        if(action != null)
            action.setEnabled(enabled);
    }

    private HashMap actions;
    private static ActionUtilities utilities = new ActionUtilities();
    protected static ActionManager manager;

}