statoolinfosweb/src/fr/devinsy/statoolinfos/htmlize/BreadcrumbTrail.java

/*
 * Copyright (C) 2020 Christian Pierre MOMON <christian@momon.org>
 * 
 * This file is part of StatoolInfos, simple service statistics tool.
 * 
 * StatoolInfos is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * StatoolInfos 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
 */
package fr.devinsy.statoolinfos.htmlize;

import java.util.ArrayList;

import fr.devinsy.strings.StringList;
import fr.devinsy.xidyn.utils.XidynUtils;

/**
 * The Class BreadcrumbTrail.
 */
public class BreadcrumbTrail extends ArrayList<Breadcrumb>
{
    private static final long serialVersionUID = -2688444486042912675L;

    /**
     * Instantiates a new breadcrumb trail.
     */
    public BreadcrumbTrail()
    {
        this("🏡", "index.xhtml");
    }

    /**
     * Instantiates a new breadcrumb trail.
     *
     * @param label
     *            the label
     * @param link
     *            the link
     */
    public BreadcrumbTrail(final String label, final String link)
    {
        super();
        add(label, link);
    }

    /**
     * Adds the.
     *
     * @param label
     *            the label
     * @param link
     *            the link
     * @return the breadcrumb trail
     */
    public BreadcrumbTrail add(final String label)
    {
        BreadcrumbTrail result;

        Breadcrumb crumb = new Breadcrumb(label, null);

        add(crumb);

        result = this;

        //
        return result;
    }

    /**
     * Adds the.
     *
     * @param label
     *            the label
     * @param link
     *            the link
     */
    public BreadcrumbTrail add(final String label, final String link)
    {
        BreadcrumbTrail result;

        Breadcrumb crumb = new Breadcrumb(label, link);

        add(crumb);

        result = this;

        //
        return result;
    }

    /**
     * To string.
     *
     * @return the string
     */
    @Override
    public String toString()
    {
        String result;

        StringList buffer = new StringList();

        for (Breadcrumb crumb : this)
        {
            if (crumb.getLink() == null)
            {
                buffer.append(XidynUtils.escapeXmlBlank(crumb.getLabel()));
            }
            else
            {
                buffer.append(String.format("<a href=\"%s\" style=\"text-decoration: none; padding: 5px;\">%s</a>", crumb.getLink(), XidynUtils.escapeXmlBlank(crumb.getLabel())));
            }
            buffer.append(" > ");
        }
        if (buffer.size() > 2)
        {
            buffer.removeLast();
        }

        result = buffer.toString();

        //
        return result;
    }
}