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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
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package jdk.javadoc.internal.doclets.formats.html;

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

import java.util.*;

import javax.lang.model.element.PackageElement;

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

Generate the package 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 package 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 PackageIndexWriter extends AbstractOverviewIndexWriter {

    
A Set of Packages to be documented.
/**
     * A Set of Packages to be documented.
     */
    protected SortedSet<PackageElement> packages;

    
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.
Params:
configuration – the configuration for this doclet
filename – the path of the page to be generated
See Also:
Group/**
     * 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.
     *
     * @param configuration the configuration for this doclet
     * @param filename the path of the page to be generated
     * @see Group
     */
    public PackageIndexWriter(HtmlConfiguration configuration, DocPath filename) {
        super(configuration, filename);
        packages = configuration.packages;
    }

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

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

        if (!groupPackageMap.keySet().isEmpty()) {
            Table table =  new Table(HtmlStyle.overviewSummary, HtmlStyle.summaryTable)
                    .setHeader(getPackageTableHeader())
                    .setColumnStyles(HtmlStyle.colFirst, HtmlStyle.colLast)
                    .setId("all-packages-table")
                    .setDefaultTab(resources.getText("doclet.All_Packages"))
                    .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<PackageElement> groupPackages = groupPackageMap.get(groupName);
                if (groupPackages != null) {
                    table.addTab(groupName, groupPackages::contains);
                }
            }

            for (PackageElement pkg : configuration.packages) {
                if (!pkg.isUnnamed()) {
                    if (!(options.noDeprecated() && utils.isDeprecated(pkg))) {
                        Content packageLinkContent = getPackageLink(pkg, getPackageName(pkg));
                        Content summaryContent = new ContentBuilder();
                        addSummaryComment(pkg, summaryContent);
                        table.addRow(pkg, packageLinkContent, summaryContent);
                    }
                }
            }

            main.add(table);

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