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WebLaf is a Java Swing Look and Feel and extended components library for cross-platform applications
/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WebLookAndFeel 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WebLookAndFeel library. If not, see .
*/
package com.alee.managers.focus;
import java.awt.*;
/**
* Advanced interface that allows you to track focus behavior within component and its children.
* Note that method names are made longer to avoid clashing with other component methods in case you implement tracker interface.
*
* @author Mikle Garin
*/
public interface FocusTracker
{
/**
* Returns whether tracking is currently enabled or not.
*
* @return true if tracking is currently enabled, false otherwise
*/
public boolean isTrackingEnabled ();
/**
* Returns whether specified component is involved with this tracker or not.
* This basically asks whether this object counts towards this tracker focus changes or not.
*
* @param component component to check for involvement
* @param tracked tracked component
* @return true if the specified component is involved with this tracker, false otherwise
*/
public boolean isInvolved ( Component component, Component tracked );
/**
* Informs about component(s) focus changes depending on tracker settings.
*
* @param focused whether tracked component(s) is focused or not
*/
public void focusChanged ( boolean focused );
}
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