/*
 * Copyright (c) 2000, 2017 Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2021 Contributors to the Eclipse Foundation
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

/*
 * @(#)LabelValuePanel.java	1.5 06/27/07
 */

package com.sun.messaging.jmq.admin.apps.console.util;

import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class LabelValuePanel extends JPanel {

    /**
     * 
     */
    private static final long serialVersionUID = 2236227532993780908L;
    private int vgap = 5;
    private int hgap = 5;
    private LabelledComponent items[];

    public LabelValuePanel(LabelledComponent items[]) {
        this.items = items;

        init();
    }

    public LabelValuePanel(LabelledComponent items[], int hgap, int vgap) {
        this.items = items;
        this.hgap = hgap;
        this.vgap = vgap;

        init();
    }

    public LabelledComponent[] getLabelledComponents() {
        return this.items;
    }

    private void init() {

        int numItems = items.length;
        int longest = 0;

        setBorder(BorderFactory.createEmptyBorder(vgap, hgap, vgap, hgap));
        /*
         * Find the longest label while adding the LabelledComponents to the panel.
         */
        GridBagLayout gridbag = new GridBagLayout();
        setLayout(gridbag);
        GridBagConstraints c = new GridBagConstraints();

        for (int i = 0; i < numItems; i++) {
            if (items[i].getLabelWidth() > longest) {
                longest = items[i].getLabelWidth();
            }
            c.gridx = 0;
            c.gridy = i;
            c.ipadx = hgap;
            c.ipady = vgap;
            c.anchor = GridBagConstraints.WEST;
            c.weightx = 1.0;
            c.fill = GridBagConstraints.HORIZONTAL;
            gridbag.setConstraints(items[i], c);
            add(items[i]);
        }

        /*
         * Set the label width to the longest label. so that they are aligned equally.
         */
        for (int i = 0; i < items.length; i++) {
            JLabel l = items[i].getLabel();
            Dimension dim = l.getPreferredSize();
            dim.width = longest;
            l.setPreferredSize(dim);
        }

    }
}
