/*

 * 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.ModuleElement;

import javax.lang.model.element.PackageElement;

import javax.lang.model.element.TypeElement;

import com.sun.source.doctree.DocTree;

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.RawHtml;

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

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

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

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

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

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

/**

 * Class to generate file for each package contents in the right-hand

 * frame. This will list all the Class Kinds in the package. A click on any

 * class-kind will update the frame with the clicked class-kind page.

 *

 *  <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 PackageWriterImpl extends HtmlDocletWriter

    implements PackageSummaryWriter {

    /**

     * The prev package name in the alpha-order list.

     */

    protected PackageElement prev;

    /**

     * The next package name in the alpha-order list.

     */

    protected PackageElement next;

    /**

     * The package being documented.

     */

    protected PackageElement packageElement;

    /**

     * The HTML tree for main tag.

     */

    protected HtmlTree mainTree = HtmlTree.MAIN();

    /**

     * The HTML tree for section tag.

     */

    protected HtmlTree sectionTree = HtmlTree.SECTION();

    /**

     * Constructor to construct PackageWriter object and to generate

     * "package-summary.html" file in the respective package directory.

     * For example for package "java.lang" this will generate file

     * "package-summary.html" file in the "java/lang" directory. It will also

     * create "java/lang" directory in the current or the destination directory

     * if it doesn't exist.

     *

     * @param configuration the configuration of the doclet.

     * @param packageElement    PackageElement under consideration.

     * @param prev          Previous package in the sorted array.

     * @param next            Next package in the sorted array.

     */

    public PackageWriterImpl(ConfigurationImpl configuration,

            PackageElement packageElement, PackageElement prev, PackageElement next)

            throws IOException {

        super(configuration, DocPath

                .forPackage(packageElement)

                .resolve(DocPaths.PACKAGE_SUMMARY));

        this.prev = prev;

        this.next = next;

        this.packageElement = packageElement;

    }

    /**

     * {@inheritDoc}

     */

    public Content getPackageHeader(String heading) {

        HtmlTree bodyTree = getBody(true, getWindowTitle(utils.getPackageName(packageElement)));

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

                ? HtmlTree.HEADER()

                : bodyTree;

        addTop(htmlTree);

        addNavLinks(true, htmlTree);

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

            bodyTree.addContent(htmlTree);

        }

        HtmlTree div = new HtmlTree(HtmlTag.DIV);

        div.addStyle(HtmlStyle.header);

        ModuleElement mdle = configuration.root.getElementUtils().getModuleOf(packageElement);

        if (mdle != null && !mdle.isUnnamed()) {

            Content classModuleLabel = HtmlTree.SPAN(HtmlStyle.moduleLabelInClass, moduleLabel);

            Content moduleNameDiv = HtmlTree.DIV(HtmlStyle.subTitle, classModuleLabel);

            moduleNameDiv.addContent(getSpace());

            moduleNameDiv.addContent(getModuleLink(mdle,

                    new StringContent(mdle.getQualifiedName().toString())));

            div.addContent(moduleNameDiv);

        }

        Content annotationContent = new HtmlTree(HtmlTag.P);

        addAnnotationInfo(packageElement, annotationContent);

        div.addContent(annotationContent);

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

                HtmlStyle.title, packageLabel);

        tHeading.addContent(getSpace());

        Content packageHead = new StringContent(heading);

        tHeading.addContent(packageHead);

        div.addContent(tHeading);

        addDeprecationInfo(div);

        if (!utils.getBody(packageElement).isEmpty() && !configuration.nocomment) {

            HtmlTree docSummaryDiv = new HtmlTree(HtmlTag.DIV);

            docSummaryDiv.addStyle(HtmlStyle.docSummary);

            addSummaryComment(packageElement, docSummaryDiv);

            div.addContent(docSummaryDiv);

            Content space = getSpace();

            Content descLink = getHyperLink(getDocLink(

                    SectionName.PACKAGE_DESCRIPTION),

                    descriptionLabel, "", "");

            Content descPara = new HtmlTree(HtmlTag.P, seeLabel, space, descLink);

            div.addContent(descPara);

        }

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

            mainTree.addContent(div);

        } else {

            bodyTree.addContent(div);

        }

        return bodyTree;

    }

    /**

     * {@inheritDoc}

     */

    public Content getContentHeader() {

        HtmlTree div = new HtmlTree(HtmlTag.DIV);

        div.addStyle(HtmlStyle.contentContainer);

        return div;

    }

    /**

     * Add the package deprecation information to the documentation tree.

     *

     * @param div the content tree to which the deprecation information will be added

     */

    public void addDeprecationInfo(Content div) {

        List<? extends DocTree> deprs = utils.getBlockTags(packageElement, DocTree.Kind.DEPRECATED);

        if (utils.isDeprecated(packageElement)) {

            CommentHelper ch = utils.getCommentHelper(packageElement);

            HtmlTree deprDiv = new HtmlTree(HtmlTag.DIV);

            deprDiv.addStyle(HtmlStyle.deprecatedContent);

            Content deprPhrase = HtmlTree.SPAN(HtmlStyle.deprecatedLabel, deprecatedPhrase);

            deprDiv.addContent(deprPhrase);

            if (!deprs.isEmpty()) {

                List<? extends DocTree> commentTags = ch.getDescription(configuration, deprs.get(0));

                if (!commentTags.isEmpty()) {

                    addInlineDeprecatedComment(packageElement, deprs.get(0), deprDiv);

                }

            }

            div.addContent(deprDiv);

        }

    }

    /**

     * {@inheritDoc}

     */

    public Content getSummaryHeader() {

        HtmlTree ul = new HtmlTree(HtmlTag.UL);

        ul.addStyle(HtmlStyle.blockList);

        return ul;

    }

    /**

     * {@inheritDoc}

     */

    public void addClassesSummary(SortedSet<TypeElement> classes, String label,

            String tableSummary, List<String> tableHeader, Content summaryContentTree) {

        if(!classes.isEmpty()) {

            Content caption = getTableCaption(new RawHtml(label));

            Content table = (configuration.isOutputHtml5())

                    ? HtmlTree.TABLE(HtmlStyle.typeSummary, caption)

                    : HtmlTree.TABLE(HtmlStyle.typeSummary, tableSummary, caption);

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

            Content tbody = new HtmlTree(HtmlTag.TBODY);

            boolean altColor = false;

            for (TypeElement klass : classes) {

                altColor = !altColor;

                if (!utils.isCoreClass(klass) ||

                    !configuration.isGeneratedDoc(klass)) {

                    continue;

                }

                Content classContent = getLink(new LinkInfoImpl(

                        configuration, LinkInfoImpl.Kind.PACKAGE, klass));

                Content tdClass = HtmlTree.TD(HtmlStyle.colFirst, classContent);

                HtmlTree tr = HtmlTree.TR(tdClass);

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

                HtmlTree tdClassDescription = new HtmlTree(HtmlTag.TD);

                tdClassDescription.addStyle(HtmlStyle.colLast);

                if (utils.isDeprecated(klass)) {

                    tdClassDescription.addContent(deprecatedLabel);

                    List<? extends DocTree> tags = utils.getDeprecatedTrees(klass);

                    if (!tags.isEmpty()) {

                        addSummaryDeprecatedComment(klass, tags.get(0), tdClassDescription);

                    }

                } else {

                    addSummaryComment(klass, tdClassDescription);

                }

                tr.addContent(tdClassDescription);

                tbody.addContent(tr);

            }

            table.addContent(tbody);

            Content li = HtmlTree.LI(HtmlStyle.blockList, table);

            summaryContentTree.addContent(li);

        }

    }

    /**

     * {@inheritDoc}

     */

    public void addPackageDescription(Content packageContentTree) {

        if (!utils.getBody(packageElement).isEmpty()) {

            packageContentTree.addContent(

                    getMarkerAnchor(SectionName.PACKAGE_DESCRIPTION));

            Content h2Content = new StringContent(

                    configuration.getText("doclet.Package_Description",

                    packageElement.isUnnamed() ? "" : utils.getPackageName(packageElement)));

            Content heading = HtmlTree.HEADING(HtmlConstants.PACKAGE_HEADING, true, h2Content);

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

                sectionTree.addContent(heading);

                addInlineComment(packageElement, sectionTree);

            } else {

                packageContentTree.addContent(heading);

                addInlineComment(packageElement, packageContentTree);

            }

        }

    }

    /**

     * {@inheritDoc}

     */

    public void addPackageTags(Content packageContentTree) {

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

                ? sectionTree

                : packageContentTree;

        addTagsInfo(packageElement, htmlTree);

    }

    /**

     * {@inheritDoc}

     */

    public void addPackageContent(Content contentTree, Content packageContentTree) {

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

            packageContentTree.addContent(sectionTree);

            mainTree.addContent(packageContentTree);

            contentTree.addContent(mainTree);

        } else {

            contentTree.addContent(packageContentTree);

        }

    }

    /**

     * {@inheritDoc}

     */

    public void addPackageFooter(Content contentTree) {

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

                ? HtmlTree.FOOTER()

                : contentTree;

        addNavLinks(false, htmlTree);

        addBottom(htmlTree);

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

            contentTree.addContent(htmlTree);

        }

    }

    /**

     * {@inheritDoc}

     */

    public void printDocument(Content contentTree) throws IOException {

        printHtmlDocument(configuration.metakeywords.getMetaKeywords(packageElement),

                true, contentTree);

    }

    /**

     * Get "Use" link for this pacakge in the navigation bar.

     *

     * @return a content tree for the class use link

     */

    protected Content getNavLinkClassUse() {

        Content useLink = getHyperLink(DocPaths.PACKAGE_USE,

                useLabel, "", "");

        Content li = HtmlTree.LI(useLink);

        return li;

    }

    /**

     * Get "PREV PACKAGE" link in the navigation bar.

     *

     * @return a content tree for the previous link

     */

    public Content getNavLinkPrevious() {

        Content li;

        if (prev == null) {

            li = HtmlTree.LI(prevpackageLabel);

        } else {

            DocPath path = DocPath.relativePath(packageElement, prev);

            li = HtmlTree.LI(getHyperLink(path.resolve(DocPaths.PACKAGE_SUMMARY),

                prevpackageLabel, "", ""));

        }

        return li;

    }

    /**

     * Get "NEXT PACKAGE" link in the navigation bar.

     *

     * @return a content tree for the next link

     */

    public Content getNavLinkNext() {

        Content li;

        if (next == null) {

            li = HtmlTree.LI(nextpackageLabel);

        } else {

            DocPath path = DocPath.relativePath(packageElement, next);

            li = HtmlTree.LI(getHyperLink(path.resolve(DocPaths.PACKAGE_SUMMARY),

                nextpackageLabel, "", ""));

        }

        return li;

    }

    /**

     * Get "Tree" link in the navigation bar. This will be link to the package

     * tree file.

     *

     * @return a content tree for the tree link

     */

    protected Content getNavLinkTree() {

        Content useLink = getHyperLink(DocPaths.PACKAGE_TREE,

                treeLabel, "", "");

        Content li = HtmlTree.LI(useLink);

        return li;

    }

    /**

     * Highlight "Package" in the navigation bar, as this is the package page.

     *

     * @return a content tree for the package link

     */

    protected Content getNavLinkPackage() {

        Content li = HtmlTree.LI(HtmlStyle.navBarCell1Rev, packageLabel);

        return li;

    }

}