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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.extended.tree;
import com.alee.utils.compare.Filter;
import java.util.Comparator;
/**
* Abstract data provider with implemented comparator and filter getters and setters.
*
* @author Mikle Garin
*/
public abstract class AbstractAsyncTreeDataProvider implements AsyncTreeDataProvider
{
/**
* Children comparator.
*/
protected Comparator comparator = null;
/**
* Children filter.
*/
protected Filter filter = null;
@Override
public Comparator getChildrenComparator ( final E node )
{
return comparator;
}
/**
* Sets children comparator for all nodes.
*
* @param comparator children comparator for all nodes
*/
public void setChildrenComparator ( final Comparator comparator )
{
this.comparator = comparator;
}
@Override
public Filter getChildrenFilter ( final E node )
{
return filter;
}
/**
* Sets children filter for all nodes.
*
* @param filter children filter for all nodes
*/
public void setChildrenFilter ( final Filter filter )
{
this.filter = filter;
}
/**
* Returns false by default to allow children load requests.
* It is recommended to override this behavior if you can easily determine whether node is leaf or not.
*
* @param node node
* @return false
*/
@Override
public boolean isLeaf ( final E node )
{
return false;
}
}
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