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 * Copyright (c) 2016, 2020, 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
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package jdk.javadoc.internal.doclets.formats.html;

import jdk.javadoc.internal.doclets.formats.html.markup.Table;
import jdk.javadoc.internal.doclets.formats.html.markup.TableHeader;

import java.util.*;

import javax.lang.model.element.ModuleElement;

import jdk.javadoc.internal.doclets.formats.html.markup.ContentBuilder;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlStyle;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree;
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 module index page "index.html".
 
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.
/**
 * Generate the module index page "index.html".
 *
 *  <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>
 */
public class ModuleIndexWriter extends AbstractOverviewIndexWriter {

    
Modules to be documented.
/**
     * Modules to be documented.
     */
    protected SortedSet<ModuleElement> modules;

    
Construct the ModuleIndexWriter.
Params:
configuration – the configuration object
filename – the name of the generated file/**
     * Construct the ModuleIndexWriter.
     *
     * @param configuration the configuration object
     * @param filename the name of the generated file
     */
    public ModuleIndexWriter(HtmlConfiguration configuration, DocPath filename) {
        super(configuration, filename);
        modules = configuration.modules;
    }

    
Generate the module index page.
Params:
configuration – the current configuration of the doclet.
Throws:
DocFileIOException – if there is a problem generating the module index page/**
     * Generate the module index page.
     *
     * @param configuration the current configuration of the doclet.
     * @throws DocFileIOException if there is a problem generating the module index page
     */
    public static void generate(HtmlConfiguration configuration) throws DocFileIOException {
        DocPath filename = DocPaths.INDEX;
        ModuleIndexWriter mdlgen = new ModuleIndexWriter(configuration, filename);
        mdlgen.buildOverviewIndexFile("doclet.Window_Overview_Summary", "module index");
    }

    
Adds the list of modules.
Params:
main – the documentation tree to which the modules list will be added/**
     * Adds the list of modules.
     *
     * @param main the documentation tree to which the modules list will be added
     */
    @Override
    protected void addIndex(Content main) {
        Map<String, SortedSet<ModuleElement>> groupModuleMap
                = configuration.group.groupModules(modules);

        if (!groupModuleMap.keySet().isEmpty()) {
            TableHeader tableHeader = new TableHeader(contents.moduleLabel, contents.descriptionLabel);
            Table table =  new Table(HtmlStyle.overviewSummary, HtmlStyle.summaryTable)
                    .setHeader(tableHeader)
                    .setColumnStyles(HtmlStyle.colFirst, HtmlStyle.colLast)
                    .setId("all-modules-table")
                    .setDefaultTab(resources.getText("doclet.All_Modules"))
                    .setTabScript(i -> "show(" + i + ");")
                    .setTabId(i -> (i == 0) ? "t0" : ("t" + (1 << (i - 1))));

            // add the tabs in command-line order
            for (String groupName : configuration.group.getGroupList()) {
                Set<ModuleElement> groupModules = groupModuleMap.get(groupName);
                if (groupModules != null) {
                    table.addTab(groupName, groupModules::contains);
                }
            }

            for (ModuleElement mdle : modules) {
                if (!mdle.isUnnamed()) {
                    if (!(options.noDeprecated() && utils.isDeprecated(mdle))) {
                        Content moduleLinkContent = getModuleLink(mdle, new StringContent(mdle.getQualifiedName().toString()));
                        Content summaryContent = new ContentBuilder();
                        addSummaryComment(mdle, summaryContent);
                        table.addRow(mdle, moduleLinkContent, summaryContent);
                    }
                }
            }

            main.add(table);

            if (table.needsScript()) {
                mainBodyScript.append(table.getScript());
            }
        }
    }
}