/*********************************************************************************                                 SysTrayMenuItem.java                                 --------------------    author               : Tamas Bara    copyright            : (C) 2002-2004 by SnoozeSoft    email                : snoozesoft@compuserve.de *********************************************************************************//********************************************************************************* *                                                                               * *   This library is free software; you can redistribute it and/or               * *   modify it under the terms of the GNU Lesser General Public                  * *   License as published by the Free Software Foundation; either                * *   version 2.1 of the License, or (at your option) any later version.          * *                                                                               * *   This library 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           * *   Lesser General Public License for more details.                             * *                                                                               * *   You should have received a copy of the GNU Lesser General Public            * *   License along with this library; if not, write to the Free Software         * *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA   * *                                                                               * *********************************************************************************/package snoozesoft.systray4j;import java.util.*;/** * This class represents a labeled menu item. Interested listeners are called whenever * this item is clicked. */public class SysTrayMenuItem{    protected String label;    protected boolean enabled;    protected Vector containers;    protected String actionCommand;    protected Vector listeners;    /**     * Creates a new <code>SysTrayMenuItem</code> object.     * @param label The label of the item.     */    public SysTrayMenuItem( String label )    {        this( label, "" );    }    /**     * Creates a new <code>SysTrayMenuItem</code> object.     * @param label The label of the item.     * @param actionCommand The action command emitted when this item is clicked.     */    public SysTrayMenuItem( String label, String actionCommand )    {        this.label = label;        this.actionCommand = actionCommand;        listeners = new Vector();        containers = new Vector();        enabled = true;    }    /**     * Getter for the item label.     * @return The label of this item.     */    public String getLabel()    {        return label;    }    /**     * Setter for the item label.     * @param label The label of this item.     */    public void setLabel( String label )    {        if( !this.label.equals( label ) )        {            Object menu = null;            for( int i = 0; i < containers.size(); i++ )            {                menu = containers.get( i );                if( menu instanceof SysTrayMenu )                {                    SysTrayMenu mainMenu = ( SysTrayMenu ) menu;                    SysTrayManager.setItemLabel(                            mainMenu.id, mainMenu.items.indexOf( this ), label );                }                else                {                    SubMenu subMenu = ( SubMenu ) menu;                    SysTrayManager.setItemLabel(                            subMenu.id, subMenu.items.indexOf( this ), label );                }            }            this.label = label;        }    }    /**     * Getter for the emitted action command.     * @return The action command emitted when this item is clicked.     */    public String getActionCommand()    {        return actionCommand;    }    /**     * Setter for the emitted action command.     * @param actionCommand The action command emitted when this item is clicked.     */    public void setActionCommand( String actionCommand )    {        this.actionCommand = actionCommand;    }    /**     * Adds the specified listener to receive events from this menu item.     * @param listener The systray menu listener.     */    public void addSysTrayMenuListener( SysTrayMenuListener listener )    {        listeners.add( listener );    }    /**     * Removes the specified listener so that it no longer receives events from this     * menu item.     * @param listener The systray menu listener.     */    public void removeSysTrayMenuListener( SysTrayMenuListener listener )    {        listeners.remove( listener );    }    /**     * Enables/disables this item.     * @param enabled Value to enable/disable this item.     */    public void setEnabled( boolean enabled )    {        if( this.enabled != enabled )        {            Object menu = null;            for( int i = 0; i < containers.size(); i++ )            {                menu = containers.get( i );                if( menu instanceof SysTrayMenu )                {                    SysTrayMenu mainMenu = ( SysTrayMenu ) menu;                    SysTrayManager.enableItem(                        mainMenu.id, mainMenu.items.indexOf( this ), enabled );                }                else                {                    SubMenu subMenu = ( SubMenu ) menu;                    SysTrayManager.enableItem(                        subMenu.id, subMenu.items.indexOf( this ), enabled );                }            }            this.enabled = enabled;        }    }    /**     * Method to check whether this item is enabled.     * @return The enabled state.     */    public boolean isEnabled()    {        return enabled;    }    protected void fireMenuItemSelected()    {        SysTrayMenuListener listener = null;        for( int i = 0; i < listeners.size(); i++ )        {            listener = ( SysTrayMenuListener ) listeners.elementAt( i );            listener.menuItemSelected( new SysTrayMenuEvent( this, actionCommand ) );        }    }    protected void addContainer( Object menu )    {        containers.add( menu );    }    protected void removeContainer( Object menu )    {        containers.remove( menu );    }}