Java JTree Node isMovingUp(DefaultMutableTreeNode ntarget, DefaultMutableTreeNode nsource)

Description

Verifica se si sta spostando il nodo source verso l'alto

License

Open Source License

Parameter

Parameter	Description
ntarget	nodo target
nsource	nodo source

Return

true se i nodi hanno lo stesso parent e se il nodo target si trova sopra il il nodo source, false altrimenti

Declaration

public static boolean isMovingUp(DefaultMutableTreeNode ntarget, DefaultMutableTreeNode nsource) 

Method Source Code

//package com.java2s;
/*//from w w w  .  j a va2s  .  com
The GUFF - The GNU Ultimate Framework Facility
Copyright (C) Simeosoft di Carlo Simeone
     
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
 */

import javax.swing.tree.DefaultMutableTreeNode;

public class Main {
    /**
     * Verifica se si sta spostando il nodo source verso l'alto
     *
     * @param ntarget nodo target
     * @param nsource nodo source
     * @return <code>true</code> se i nodi hanno lo stesso parent e se il nodo target si trova sopra il
     * il nodo source, <code>false</code> altrimenti
     */
    public static boolean isMovingUp(DefaultMutableTreeNode ntarget, DefaultMutableTreeNode nsource) {
        boolean areSiblings;
        DefaultMutableTreeNode targetParent = (DefaultMutableTreeNode) ntarget.getParent();
        DefaultMutableTreeNode sourceParent = (DefaultMutableTreeNode) nsource.getParent();
        //        areSiblings = (sourceParent.getUserObject().toString().equalsIgnoreCase(targetParent.getUserObject().toString()));
        areSiblings = (sourceParent.getUserObject().equals(targetParent.getUserObject()));
        if (areSiblings) {
            int targetIndex = targetParent.getIndex(ntarget);
            int sourceIndex = sourceParent.getIndex(nsource);
            //sposta in base all'indice
            if (sourceIndex > targetIndex) {
                return true;
            } else {
                return false;
            }
        } else {
            return true;
        }
    }
}

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7. isNodeOrChildSelected(JTree tree, DefaultMutableTreeNode node)
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