JavaFX Node center On Top - Java JavaFX

Java examples for JavaFX:Node

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Description

JavaFX Node center On Top

Demo Code

/*/*from w  w  w.j  av  a  2 s  . c  om*/
 * Copyright (c) 2013, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
//package com.java2s;

import javafx.geometry.Bounds;

import javafx.scene.Node;

public class Main {
    public static void centerOnTop(Node node, Node base) {
        putOnTop(node, base);
        centerXZ(node, base);
    }

    public static void putOnTop(Node node, Node base) {
        node.setTranslateY(node.getTranslateY()
                + base.getBoundsInParent().getMaxY()
                - node.getBoundsInParent().getMinY());
    }

    public static void centerXZ(Node node, Node base) {
        centerX(node, base);
        centerZ(node, base);
    }

    public static void centerX(Node node, Node base) {
        node.setTranslateX(node.getTranslateX()
                + middleX(base.getBoundsInParent())
                - middleX(node.getBoundsInParent()));
    }

    public static void centerZ(Node node, Node base) {
        node.setTranslateZ(node.getTranslateZ()
                + middleZ(base.getBoundsInParent())
                - middleZ(node.getBoundsInParent()));
    }

    public static double middleX(Bounds b) {
        return (b.getMinX() + b.getMaxX()) / 2;
    }

    public static double middleZ(Bounds b) {
        return (b.getMinZ() + b.getMaxZ()) / 2;
    }
}

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