/*

 * Copyright (c) 1998, 2018, 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 jdk.javadoc.internal.doclets.formats.html;

import javax.lang.model.element.PackageElement;

import jdk.javadoc.internal.doclets.formats.html.markup.HtmlConstants;

import jdk.javadoc.internal.doclets.formats.html.markup.HtmlStyle;

import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTag;

import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree;

import jdk.javadoc.internal.doclets.formats.html.markup.Links;

import jdk.javadoc.internal.doclets.formats.html.markup.RawHtml;

import jdk.javadoc.internal.doclets.formats.html.markup.StringContent;

import jdk.javadoc.internal.doclets.toolkit.Content;

import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException;

import jdk.javadoc.internal.doclets.toolkit.util.DocPath;

import jdk.javadoc.internal.doclets.toolkit.util.DocPaths;

/**

 * Generate the package index for the left-hand frame in the generated output.

 * A click on the package name in this frame will update the page in the bottom

 * left hand frame with the listing of contents of the clicked package.

 *

 *  <p><b>This is NOT part of any supported API.

 *  If you write code that depends on this, you do so at your own risk.

 *  This code and its internal interfaces are subject to change or

 *  deletion without notice.</b>

 *

 * @author Atul M Dambalkar

 */

public class PackageIndexFrameWriter extends AbstractPackageIndexWriter {

    /**

     * Construct the PackageIndexFrameWriter object.

     *

     * @param filename Name of the package index file to be generated.

     */

    public PackageIndexFrameWriter(HtmlConfiguration configuration, DocPath filename) {

        super(configuration, filename);

    }

    /**

     * Generate the package index file named "overview-frame.html".

     * @throws DocFileIOException

     */

    public static void generate(HtmlConfiguration configuration) throws DocFileIOException {

        DocPath filename = DocPaths.OVERVIEW_FRAME;

        PackageIndexFrameWriter packgen = new PackageIndexFrameWriter(configuration, filename);

        packgen.buildPackageIndexFile("doclet.Window_Overview", false);

    }

    /**

     * {@inheritDoc}

     */

    @Override

        Content heading = HtmlTree.HEADING(HtmlConstants.PACKAGE_HEADING, true,

                contents.packagesLabel);

        HtmlTree ul = new HtmlTree(HtmlTag.UL);

        ul.setTitle(contents.packagesLabel);

        for (PackageElement aPackage : packages) {

            // Do not list the package if -nodeprecated option is set and the

            // package is marked as deprecated.

            if (aPackage != null &&

                (!(configuration.nodeprecated && utils.isDeprecated(aPackage)))) {

                ul.addContent(getPackage(aPackage));

            }

        }

        htmlTree.addContent(ul);

    }

    /**

     * Returns each package name as a separate link.

     *

     * @param pe PackageElement

     * @return content for the package link

     */

    protected Content getPackage(PackageElement pe) {

        Content packageLinkContent;

        Content packageLabel;

        if (pe.isUnnamed()) {

            packageLabel = new StringContent("<unnamed package>");

            packageLinkContent = links.createLink(DocPaths.PACKAGE_FRAME,

                    packageLabel, "", "packageFrame");

        } else {

            packageLabel = getPackageLabel(pe.getQualifiedName());

            packageLinkContent = links.createLink(pathString(pe,

                     DocPaths.PACKAGE_FRAME), packageLabel, "",

                    "packageFrame");

        }

        Content li = HtmlTree.LI(packageLinkContent);

        return li;

    }

    /**

     * {@inheritDoc}

     */

    @Override

        Content headerContent;

        if (configuration.packagesheader.length() > 0) {

            headerContent = new RawHtml(replaceDocRootDir(configuration.packagesheader));

        } else {

            headerContent = new RawHtml(replaceDocRootDir(configuration.header));

        }

        Content heading = HtmlTree.HEADING(HtmlConstants.TITLE_HEADING, true,

                HtmlStyle.bar, headerContent);

    }

    /**

     * Do nothing as there is no overview information in this page.

     */

    @Override

    protected void addOverviewHeader(Content body) {

    }

    /**

     * Adds "All Classes" link for the top of the left-hand frame page to the

     * documentation tree.

     *

     * @param ul the Content object to which the "All Classes" link should be added

     */

    @Override

    protected void addAllClassesLink(Content ul) {

        Content linkContent = links.createLink(DocPaths.ALLCLASSES_FRAME,

                contents.allClassesLabel, "", "packageFrame");

        Content li = HtmlTree.LI(linkContent);

        ul.addContent(li);

    }

    /**

     * Adds "All Modules" link for the top of the left-hand frame page to the

     * documentation tree.

     *

     * @param ul the Content object to which the "All Modules" link should be added

     */

    @Override

    protected void addAllModulesLink(Content ul) {

        Content linkContent = links.createLink(DocPaths.MODULE_OVERVIEW_FRAME,

                contents.allModulesLabel, "", "packageListFrame");

        Content li = HtmlTree.LI(linkContent);

        ul.addContent(li);

    }

    /**

     * {@inheritDoc}

     */

    @Override

        Content p = HtmlTree.P(Contents.SPACE);

    }

}