Sets the bounds for a dialog so it is centered over its parent. - Java Swing

Java examples for Swing:JDialog

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Description

Sets the bounds for a dialog so it is centered over its parent.

Demo Code


//package com.java2s;

import java.awt.Component;
import java.awt.Container;

import java.awt.Rectangle;

import javax.swing.JDialog;

public class Main {
    /**/*from   w w w  .  j av  a 2 s  .c  o m*/
     * Sets the bounds for a dialog so it is centered over its parent.
     *
     * @param dialog
     * @deprecated use centerOnParent
     */
    public static void centerDialogInParent(JDialog dialog) {
        centerInParent(dialog);
    }

    /**
     * Centers a component on its parent.
     *
     * @param component
     */
    public static void centerInParent(Component component) {
        Container parent = component.getParent();
        if (parent != null) {
            Rectangle parentBounds = parent.getBounds();
            Rectangle dialogBounds = new Rectangle(
                    (int) (parentBounds.getMinX() + parentBounds.getWidth()
                            / 2 - component.getWidth() / 2),
                    (int) (parentBounds.getMinY()
                            + parentBounds.getHeight() / 2 - component
                            .getHeight() / 2), component.getWidth(),
                    component.getHeight());
            //dialog.setBounds( dialogBounds );
            component.setLocation(dialogBounds.x, dialogBounds.y);
        }
    }
}

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