/*

 * Copyright (c) 1997, 2016, 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 java.io.*;

import java.util.*;

import javax.lang.model.element.PackageElement;

import jdk.javadoc.doclet.DocletEnvironment;

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.RawHtml;

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

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

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

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

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

/**

 * Generate the package index page "overview-summary.html" for the right-hand

 * frame. A click on the package name on this page will update the same frame

 * with the "package-summary.html" file for 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

 * @author Bhavesh Patel (Modified)

 */

public class PackageIndexWriter extends AbstractPackageIndexWriter {

    /**

     * Root of the program structure. Used for "overview" documentation.

     */

    private DocletEnvironment docEnv;

    /**

     * Map representing the group of packages as specified on the command line.

     *

     * @see Group

     */

    private Map<String, SortedSet<PackageElement>> groupPackageMap;

    /**

     * List to store the order groups as specified on the command line.

     */

    private List<String> groupList;

    /**

     * HTML tree for main tag.

     */

    private HtmlTree htmlTree = HtmlTree.MAIN();

    /**

     * Construct the PackageIndexWriter. Also constructs the grouping

     * information as provided on the command line by "-group" option. Stores

     * the order of groups specified by the user.

     *

     * @see Group

     */

    public PackageIndexWriter(ConfigurationImpl configuration, DocPath filename) throws IOException {

        super(configuration, filename);

        this.docEnv = configuration.docEnv;

        groupPackageMap = configuration.group.groupPackages(packages);

        groupList = configuration.group.getGroupList();

    }

    /**

     * Generate the package index page for the right-hand frame.

     *

     * @param configuration the current configuration of the doclet.

     */

    public static void generate(ConfigurationImpl configuration) {

        PackageIndexWriter packgen;

        DocPath filename = DocPaths.OVERVIEW_SUMMARY;

        try {

            packgen = new PackageIndexWriter(configuration, filename);

            packgen.buildPackageIndexFile("doclet.Window_Overview_Summary", true);

        } catch (IOException exc) {

                        exc.toString(), filename);

            throw new DocletAbortException(exc);

        }

    }

    /**

     * Depending upon the grouping information and their titles, add

     * separate table indices for each package group.

     *

     * @param body the documentation tree to which the index will be added

     */

    protected void addIndex(Content body) {

        for (String groupname : groupList) {

            SortedSet<PackageElement> list = groupPackageMap.get(groupname);

            if (list != null && !list.isEmpty()) {

                addIndexContents(list,

                                 groupname, configuration.getText("doclet.Member_Table_Summary",

                                                                  groupname, configuration.getText("doclet.packages")), body);

            }

        }

    }

    /**

     * {@inheritDoc}

     */

    protected void addPackagesList(Collection<PackageElement> packages, String text,

            String tableSummary, Content body) {

        Content table = (configuration.isOutputHtml5())

                ? HtmlTree.TABLE(HtmlStyle.overviewSummary, getTableCaption(new RawHtml(text)))

                : HtmlTree.TABLE(HtmlStyle.overviewSummary, tableSummary, getTableCaption(new RawHtml(text)));

        table.addContent(getSummaryTableHeader(packageTableHeader, "col"));

        Content tbody = new HtmlTree(HtmlTag.TBODY);

        addPackagesList(packages, tbody);

        table.addContent(tbody);

        Content div = HtmlTree.DIV(HtmlStyle.contentContainer, table);

        if (configuration.allowTag(HtmlTag.MAIN)) {

            htmlTree.addContent(div);

        } else {

            body.addContent(div);

        }

    }

    /**

     * Adds list of packages in the index table. Generate link to each package.

     *

     * @param packages Packages to which link is to be generated

     * @param tbody the documentation tree to which the list will be added

     */

    protected void addPackagesList(Collection<PackageElement> packages, Content tbody) {

        boolean altColor = true;

        for (PackageElement pkg : packages) {

            if (!pkg.isUnnamed()) {

                if (!(configuration.nodeprecated && utils.isDeprecated(pkg))) {

                    Content packageLinkContent = getPackageLink(pkg, getPackageName(pkg));

                    Content tdPackage = HtmlTree.TD(HtmlStyle.colFirst, packageLinkContent);

                    HtmlTree tdSummary = new HtmlTree(HtmlTag.TD);

                    tdSummary.addStyle(HtmlStyle.colLast);

                    addSummaryComment(pkg, tdSummary);

                    HtmlTree tr = HtmlTree.TR(tdPackage);

                    tr.addContent(tdSummary);

                    tr.addStyle(altColor ? HtmlStyle.altColor : HtmlStyle.rowColor);

                    tbody.addContent(tr);

                }

            }

            altColor = !altColor;

        }

    }

    /**

     * Adds the overview summary comment for this documentation. Add one line

     * summary at the top of the page and generate a link to the description,

     * which is added at the end of this page.

     *

     * @param body the documentation tree to which the overview header will be added

     */

    protected void addOverviewHeader(Content body) {

        addConfigurationTitle(body);

        if (!utils.getBody(configuration.overviewElement).isEmpty()) {

            HtmlTree subTitleDiv = new HtmlTree(HtmlTag.DIV);

            subTitleDiv.addStyle(HtmlStyle.subTitle);

            addSummaryComment(configuration.overviewElement, subTitleDiv);

            Content div = HtmlTree.DIV(HtmlStyle.header, subTitleDiv);

            Content descLink = getHyperLink(getDocLink(

                    SectionName.OVERVIEW_DESCRIPTION),

            descPara.addContent(descLink);

            div.addContent(descPara);

            if (configuration.allowTag(HtmlTag.MAIN)) {

                htmlTree.addContent(div);

            } else {

                body.addContent(div);

            }

        }

    }

    /**

     * Adds the overview comment as provided in the file specified by the

     * "-overview" option on the command line.

     *

     * @param htmltree the documentation tree to which the overview comment will

     *                 be added

     */

    protected void addOverviewComment(Content htmltree) {

        if (!utils.getBody(configuration.overviewElement).isEmpty()) {

            htmltree.addContent(getMarkerAnchor(SectionName.OVERVIEW_DESCRIPTION));

            addInlineComment(configuration.overviewElement, htmltree);

        }

    }

    /**

     * Adds the tag information as provided in the file specified by the

     * "-overview" option on the command line.

     *

     * @param body the documentation tree to which the overview will be added

     */

    protected void addOverview(Content body) throws IOException {

        HtmlTree div = new HtmlTree(HtmlTag.DIV);

        div.addStyle(HtmlStyle.contentContainer);

        addOverviewComment(div);

        if (configuration.allowTag(HtmlTag.MAIN)) {

            htmlTree.addContent(div);

            body.addContent(htmlTree);

        } else {

            body.addContent(div);

        }

    }

    /**

     * Adds the top text (from the -top option), the upper

     * navigation bar, and then the title (from the"-title"

     * option), at the top of page.

     *

     * @param body the documentation tree to which the navigation bar header will be added

     */

    protected void addNavigationBarHeader(Content body) {

        Content htmlTree = (configuration.allowTag(HtmlTag.HEADER))

                ? HtmlTree.HEADER()

                : body;

        addTop(htmlTree);

        addNavLinks(true, htmlTree);

        if (configuration.allowTag(HtmlTag.HEADER)) {

            body.addContent(htmlTree);

        }

    }

    /**

     * Adds the lower navigation bar and the bottom text

     * (from the -bottom option) at the bottom of page.

     *

     * @param body the documentation tree to which the navigation bar footer will be added

     */

    protected void addNavigationBarFooter(Content body) {

        Content htmlTree = (configuration.allowTag(HtmlTag.FOOTER))

                ? HtmlTree.FOOTER()

                : body;

        addNavLinks(false, htmlTree);

        addBottom(htmlTree);

        if (configuration.allowTag(HtmlTag.FOOTER)) {

            body.addContent(htmlTree);

        }

    }

}