/*

 * Copyright (c) 1997, 2012, 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 com.sun.tools.doclets.formats.html.markup;

import java.io.*;

import java.util.*;

import com.sun.javadoc.*;

import com.sun.tools.doclets.formats.html.ConfigurationImpl;

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

/**

 * Class for the Html Format Code Generation specific to JavaDoc.

 * This Class contains methods related to the Html Code Generation which

 * are used by the Sub-Classes in the package com.sun.tools.doclets.standard

 * and com.sun.tools.doclets.oneone.

 *

 *  <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>

 *

 * @since 1.2

 * @author Atul M Dambalkar

 * @author Robert Field

 */

public abstract class HtmlDocWriter extends HtmlWriter {

    /**

     * Constructor. Initializes the destination file name through the super

     * class HtmlWriter.

     *

     * @param filename String file name.

     */

        configuration.message.notice("doclet.Generating_0",

    }

    /**

     * Accessor for configuration.

     */

    public abstract Configuration configuration();

    /**

     * Return Html Hyper Link string.

     *

     * @param link       String name of the file.

     * @param where      Position of the link in the file. Character '#' is not

     * needed.

     * @param label      Tag for the link.

     * @param strong       Boolean that sets label to strong.

     * @return String    Hyper Link.

     */

                               String label, boolean strong) {

        return getHyperLinkString(link, where, label, strong, "", "", "");

    }

    /**

     * Get Html Hyper Link string.

     *

     * @param link       String name of the file.

     * @param where      Position of the link in the file. Character '#' is not

     *                   needed.

     * @param label      Tag for the link.

     * @param strong       Boolean that sets label to strong.

     * @param stylename  String style of text defined in style sheet.

     * @return String    Hyper Link.

     */

                               String label, boolean strong,

                               String stylename) {

        return getHyperLinkString(link, where, label, strong, stylename, "", "");

    }

    /**

     * Get Html Hyper Link string.

     *

     * @param link       String name of the file.

     * @param where      Position of the link in the file. Character '#' is not

     *                   needed.

     * @param label      Tag for the link.

     * @return a content tree for the hyper link

     */

                               Content label) {

        return getHyperLink(link, where, label, "", "");

    }

    /**

     * Get Html Hyper Link string.

     *

     * @param link       String name of the file.

     * @param where      Position of the link in the file. Character '#' is not

     *                   needed.

     * @param label      Tag for the link.

     * @param strong       Boolean that sets label to strong.

     * @param stylename  String style of text defined in style sheet.

     * @param title      String that describes the link's content for accessibility.

     * @param target     Target frame.

     * @return String    Hyper Link.

     */

    public String getHyperLinkString(String link, String where,

                               String label, boolean strong,

                               String stylename, String title, String target) {

        StringBuilder retlink = new StringBuilder();

        retlink.append("<a href=\"");

        retlink.append(link);

        if (where != null && where.length() != 0) {

            retlink.append("#");

            retlink.append(where);

        }

        retlink.append("\"");

        if (title != null && title.length() != 0) {

            retlink.append(" title=\"").append(title).append("\"");

        }

        if (target != null && target.length() != 0) {

            retlink.append(" target=\"").append(target).append("\"");

        }

        retlink.append(">");

        if (stylename != null && stylename.length() != 0) {

            retlink.append("<FONT CLASS=\"");

            retlink.append(stylename);

            retlink.append("\">");

        }

        if (strong) {

            retlink.append("<span class=\"strong\">");

        }

        retlink.append(label);

        if (strong) {

            retlink.append("</span>");

        }

        if (stylename != null && stylename.length() != 0) {

            retlink.append("</FONT>");

        }

        retlink.append("</a>");

        return retlink.toString();

    }

    /**

     * Get Html Hyper Link.

     *

     * @param link       String name of the file.

     * @param where      Position of the link in the file. Character '#' is not

     *                   needed.

     * @param label      Tag for the link.

     * @param title      String that describes the link's content for accessibility.

     * @param target     Target frame.

     * @return a content tree for the hyper link.

     */

    public Content getHyperLink(String link, String where,

            Content label, String title, String target) {

        if (where != null && where.length() != 0) {

            link += "#" + where;

        }

        HtmlTree anchor = HtmlTree.A(link, label);

        if (title != null && title.length() != 0) {

            anchor.addAttr(HtmlAttr.TITLE, title);

        }

        if (target != null && target.length() != 0) {

            anchor.addAttr(HtmlAttr.TARGET, target);

        }

        return anchor;

    }

    /**

     * Get a hyperlink to a file.

     *

     * @param link String name of the file

     * @param label Label for the link

     * @return a content for the hyperlink to the file

     */

        return getHyperLink(link, "", label);

    }

    /**

     * Get link string without positioning in the file.

     *

     * @param link       String name of the file.

     * @param label      Tag for the link.

     * @return Strign    Hyper link.

     */

        return getHyperLinkString(link, "", label, false);

    }

    /**

     * Get the name of the package, this class is in.

     *

     * @param cd    ClassDoc.

     */

    public String getPkgName(ClassDoc cd) {

        String pkgName = cd.containingPackage().name();

        if (pkgName.length() > 0) {

            pkgName += ".";

            return pkgName;

        }

        return "";

    }

    public boolean getMemberDetailsListPrinted() {

        return memberDetailsListPrinted;

    }

    /**

     * Print the frameset version of the Html file header.

     * Called only when generating an HTML frameset file.

     *

     * @param title Title of this HTML document

     * @param noTimeStamp If true, don't print time stamp in header

     * @param frameset the frameset to be added to the HTML document

     */

    public void printFramesetDocument(String title, boolean noTimeStamp,

            Content frameset) throws IOException {

        Content htmlDocType = DocType.Frameset();

        Content htmlComment = new Comment(configuration.getText("doclet.New_Page"));

        Content head = new HtmlTree(HtmlTag.HEAD);

        if (! noTimeStamp) {

            Content headComment = new Comment(getGeneratedByString());

            head.addContent(headComment);

        }

        if (configuration.charset.length() > 0) {

            Content meta = HtmlTree.META("Content-Type", "text/html",

                    configuration.charset);

            head.addContent(meta);

        }

        Content windowTitle = HtmlTree.TITLE(new StringContent(title));

        head.addContent(windowTitle);

        head.addContent(getFramesetJavaScript());

        Content htmlTree = HtmlTree.HTML(configuration.getLocale().getLanguage(),

                head, frameset);

        Content htmlDocument = new HtmlDocument(htmlDocType,

                htmlComment, htmlTree);

        write(htmlDocument);

    }

    /**

     * Print the appropriate spaces to format the class tree in the class page.

     *

     * @param len   Number of spaces.

     */

    public String spaces(int len) {

        String space = "";

        for (int i = 0; i < len; i++) {

            space += " ";

        }

        return space;

    }

    protected String getGeneratedByString() {

        Calendar calendar = new GregorianCalendar(TimeZone.getDefault());

        Date today = calendar.getTime();

        return "Generated by javadoc ("+ ConfigurationImpl.BUILD_DATE + ") on " + today;

    }

}