/*

 * Copyright 1998-2005 Sun Microsystems, Inc.  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.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package com.sun.tools.doclets.formats.html;

import com.sun.tools.doclets.internal.toolkit.util.*;

import com.sun.javadoc.*;

import java.io.*;

/**

 * Class to generate Tree page for a package. The name of the file generated is

 * "package-tree.html" and it is generated in the respective package directory.

 *

 * @author Atul M Dambalkar

 */

public class PackageTreeWriter extends AbstractTreeWriter {

    /**

     * Package for which tree is to be generated.

     */

    protected PackageDoc packagedoc;

    /**

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

     */

    protected PackageDoc prev;

    /**

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

     */

    protected PackageDoc next;

    /**

     * Constructor.

     * @throws IOException

     * @throws DocletAbortException

     */

    public PackageTreeWriter(ConfigurationImpl configuration,

                             String path, String filename,

                             PackageDoc packagedoc,

                             PackageDoc prev, PackageDoc next)

                      throws IOException {

        super(configuration, path, filename,

              new ClassTree(

                configuration.classDocCatalog.allClasses(packagedoc),

                configuration),

              packagedoc);

        this.packagedoc = packagedoc;

        this.prev = prev;

        this.next = next;

    }

    /**

     * Construct a PackageTreeWriter object and then use it to generate the

     * package tree page.

     *

     * @param pkg      Package for which tree file is to be generated.

     * @param prev     Previous package in the alpha-ordered list.

     * @param next     Next package in the alpha-ordered list.

     * @param noDeprecated  If true, do not generate any information for

     * deprecated classe or interfaces.

     * @throws DocletAbortException

     */

    public static void generate(ConfigurationImpl configuration,

                                PackageDoc pkg, PackageDoc prev,

                                PackageDoc next, boolean noDeprecated) {

        PackageTreeWriter packgen;

        String path = DirectoryManager.getDirectoryPath(pkg);

        String filename = "package-tree.html";

        try {

            packgen = new PackageTreeWriter(configuration, path, filename, pkg,

                prev, next);

            packgen.generatePackageTreeFile();

            packgen.close();

        } catch (IOException exc) {

            configuration.standardmessage.error(

                        "doclet.exception_encountered",

                        exc.toString(), filename);

            throw new DocletAbortException();

        }

    }

    /**

     * Generate a separate tree file for each package.

     */

    protected void generatePackageTreeFile() throws IOException {

        printHtmlHeader(packagedoc.name() + " "

            + configuration.getText("doclet.Window_Class_Hierarchy"), null, true);

        printPackageTreeHeader();

        if (configuration.packages.length > 1) {

            printLinkToMainTree();

        }

        generateTree(classtree.baseclasses(), "doclet.Class_Hierarchy");

        generateTree(classtree.baseinterfaces(), "doclet.Interface_Hierarchy");

        generateTree(classtree.baseAnnotationTypes(), "doclet.Annotation_Type_Hierarchy");

        generateTree(classtree.baseEnums(), "doclet.Enum_Hierarchy");

        printPackageTreeFooter();

        printBottom();

        printBodyHtmlEnd();

    }

    /**

     * Print the navigation bar header for the package tree file.

     */

    protected void printPackageTreeHeader() {

        printTop();

        navLinks(true);

        hr();

        center();

        h2(configuration.getText("doclet.Hierarchy_For_Package",

            Util.getPackageName(packagedoc)));

        centerEnd();

    }

    /**

     * Generate a link to the tree for all the packages.

     */

    protected void printLinkToMainTree() {

        dl();

        dt();

        dd();

        navLinkMainTree(configuration.getText("doclet.All_Packages"));

        dlEnd();

        hr();

    }

    /**

     * Print the navigation bar footer for the package tree file.

     */

    protected void printPackageTreeFooter() {

        hr();

        navLinks(false);

    }

    /**

     * Link for the previous package tree file.

     */

    protected void navLinkPrevious() {

        if (prev == null) {

            navLinkPrevious(null);

        } else {

            String path = DirectoryManager.getRelativePath(packagedoc.name(),

                                                           prev.name());

            navLinkPrevious(path + "package-tree.html");

        }

    }

    /**

     * Link for the next package tree file.

     */

    protected void navLinkNext() {

        if (next == null) {

            navLinkNext(null);

        } else {

            String path = DirectoryManager.getRelativePath(packagedoc.name(),

                                                           next.name());

            navLinkNext(path + "package-tree.html");

        }

    }

    /**

     * Link to the package summary page for the package of this tree.

     */

    protected void navLinkPackage() {

        navCellStart();

        printHyperLink("package-summary.html", "", configuration.getText("doclet.Package"),

                        true, "NavBarFont1");

        navCellEnd();

    }

}