/*
 * Copyright (c) 1998, 2017, 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.util.Collection;

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.
 
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.
Author:
Atul M Dambalkar/**
 * 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.
Params:
filename – Name of the package index file to be generated./**
     * 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 – /**
     * 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}
/**
     * {@inheritDoc}
     */
    @Override
    protected void addPackagesList(Content body) {
        Content heading = HtmlTree.HEADING(HtmlConstants.PACKAGE_HEADING, true,
                contents.packagesLabel);
        HtmlTree htmlTree = (configuration.allowTag(HtmlTag.MAIN))
                ? HtmlTree.MAIN(HtmlStyle.indexContainer, heading)
                : HtmlTree.DIV(HtmlStyle.indexContainer, heading);
        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);
        body.addContent(htmlTree);
    }

    
Returns each package name as a separate link.
Params:
pe – PackageElement
Returns:
content for the package link/**
     * 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}
/**
     * {@inheritDoc}
     */
    @Override
    protected void addNavigationBarHeader(Content body) {
        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);
        body.addContent(heading);
    }

    
Do nothing as there is no overview information in this page.
/**
     * 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.
Params:
ul – the Content object to which the "All Classes" link should be added/**
     * 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.
Params:
ul – the Content object to which the "All Modules" link should be added/**
     * 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}
/**
     * {@inheritDoc}
     */
    @Override
    protected void addNavigationBarFooter(Content body) {
        Content p = HtmlTree.P(Contents.SPACE);
        body.addContent(p);
    }
}