/*

 * Copyright (c) 1998, 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;

import java.io.*;

import java.util.*;

import com.sun.javadoc.*;

import com.sun.tools.doclets.formats.html.markup.*;

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

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

/**

 * Generate Index for all the Member Names with Indexing in

 * Unicode Order. This class is a base class for {@link SingleIndexWriter} and

 * {@link SplitIndexWriter}. It uses the functionality from

 * {@link HtmlDocletWriter} to generate the Index Contents.

 *

 * @see    IndexBuilder

 * @author Atul M Dambalkar

 * @author Bhavesh Patel (Modified)

 */

public class AbstractIndexWriter extends HtmlDocletWriter {

    /**

     * The index of all the members with unicode character.

     */

    protected IndexBuilder indexbuilder;

    /**

     * This constructor will be used by {@link SplitIndexWriter}. Initialises

     * path to this file and relative path from this file.

     *

     * @param path       Path to the file which is getting generated.

     * @param filename   Name of the file which is getting genrated.

     * @param relpath    Relative path from this file to the current directory.

     * @param indexbuilder Unicode based Index from {@link IndexBuilder}

     */

    protected AbstractIndexWriter(ConfigurationImpl configuration,

                                  String path, String filename,

                                  String relpath, IndexBuilder indexbuilder)

                                  throws IOException {

        super(configuration, path, filename, relpath);

        this.indexbuilder = indexbuilder;

    }

    /**

     * This Constructor will be used by {@link SingleIndexWriter}.

     *

     * @param filename   Name of the file which is getting genrated.

     * @param indexbuilder Unicode based Index form {@link IndexBuilder}

     */

    protected AbstractIndexWriter(ConfigurationImpl configuration,

                                  String filename, IndexBuilder indexbuilder)

                                  throws IOException {

        super(configuration, filename);

        this.indexbuilder = indexbuilder;

    }

    /**

     * Get the index label for navigation bar.

     *

     * @return a content tree for the tree label

     */

    protected Content getNavLinkIndex() {

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

        return li;

    }

    /**

     * Add the member information for the unicode character along with the

     * list of the members.

     *

     * @param unicode Unicode for which member list information to be generated

     * @param memberlist List of members for the unicode character

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

     */

    protected void addContents(Character unicode, List<? extends Doc> memberlist,

            Content contentTree) {

        contentTree.addContent(getMarkerAnchor("_" + unicode + "_"));

        Content headContent = new StringContent(unicode.toString());

        Content heading = HtmlTree.HEADING(HtmlConstants.CONTENT_HEADING, false,

                HtmlStyle.title, headContent);

        contentTree.addContent(heading);

        int memberListSize = memberlist.size();

        // Display the list only if there are elements to be displayed.

        if (memberListSize > 0) {

            Content dl = new HtmlTree(HtmlTag.DL);

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

                Doc element = memberlist.get(i);

                if (element instanceof MemberDoc) {

                    addDescription((MemberDoc)element, dl);

                } else if (element instanceof ClassDoc) {

                    addDescription((ClassDoc)element, dl);

                } else if (element instanceof PackageDoc) {

                    addDescription((PackageDoc)element, dl);

                }

            }

            contentTree.addContent(dl);

        }

    }

    /**

     * Add one line summary comment for the package.

     *

     * @param pkg the package to be documented

     * @param dlTree the content tree to which the description will be added

     */

    protected void addDescription(PackageDoc pkg, Content dlTree) {

        Content link = getPackageLink(pkg, new StringContent(Util.getPackageName(pkg)));

        Content dt = HtmlTree.DT(link);

        dt.addContent(" - ");

        dt.addContent(getResource("doclet.package"));

        dt.addContent(" " + pkg.name());

        dlTree.addContent(dt);

        Content dd = new HtmlTree(HtmlTag.DD);

        addSummaryComment(pkg, dd);

        dlTree.addContent(dd);

    }

    /**

     * Add one line summary comment for the class.

     *

     * @param cd the class being documented

     * @param dlTree the content tree to which the description will be added

     */

    protected void addDescription(ClassDoc cd, Content dlTree) {

        Content link = new RawHtml(

                getLink(new LinkInfoImpl(LinkInfoImpl.CONTEXT_INDEX, cd, true)));

        Content dt = HtmlTree.DT(link);

        dt.addContent(" - ");

        addClassInfo(cd, dt);

        dlTree.addContent(dt);

        Content dd = new HtmlTree(HtmlTag.DD);

        addComment(cd, dd);

        dlTree.addContent(dd);

    }

    /**

     * Add the classkind(class, interface, exception, error of the class

     * passed.

     *

     * @param cd the class being documented

     * @param contentTree the content tree to which the class info will be added

     */

    protected void addClassInfo(ClassDoc cd, Content contentTree) {

        contentTree.addContent(getResource("doclet.in",

                Util.getTypeName(configuration, cd, false),

                getPackageLinkString(cd.containingPackage(),

                Util.getPackageName(cd.containingPackage()), false)));

    }

    /**

     * Add description for Class, Field, Method or Constructor.

     *

     * @param member MemberDoc for the member of the Class Kind

     * @param dlTree the content tree to which the description will be added

     */

    protected void addDescription(MemberDoc member, Content dlTree) {

        String name = (member instanceof ExecutableMemberDoc)?

            member.name() + ((ExecutableMemberDoc)member).flatSignature() :

            member.name();

        if (name.indexOf("<") != -1 || name.indexOf(">") != -1) {

                name = Util.escapeHtmlChars(name);

        }

        Content span = HtmlTree.SPAN(HtmlStyle.strong,

                getDocLink(LinkInfoImpl.CONTEXT_INDEX, member, name));

        Content dt = HtmlTree.DT(span);

        dt.addContent(" - ");

        addMemberDesc(member, dt);

        dlTree.addContent(dt);

        Content dd = new HtmlTree(HtmlTag.DD);

        addComment(member, dd);

        dlTree.addContent(dd);

    }

    /**

     * Add comment for each element in the index. If the element is deprecated

     * and it has a @deprecated tag, use that comment. Else if the containing

     * class for this element is deprecated, then add the word "Deprecated." at

     * the start and then print the normal comment.

     *

     * @param element Index element

     * @param contentTree the content tree to which the comment will be added

     */

    protected void addComment(ProgramElementDoc element, Content contentTree) {

        Tag[] tags;

        Content span = HtmlTree.SPAN(HtmlStyle.strong, deprecatedPhrase);

        HtmlTree div = new HtmlTree(HtmlTag.DIV);

        div.addStyle(HtmlStyle.block);

        if (Util.isDeprecated(element)) {

            div.addContent(span);

            if ((tags = element.tags("deprecated")).length > 0)

                addInlineDeprecatedComment(element, tags[0], div);

            contentTree.addContent(div);

        } else {

            ClassDoc cont = element.containingClass();

            while (cont != null) {

                if (Util.isDeprecated(cont)) {

                    div.addContent(span);

                    contentTree.addContent(div);

                    break;

                }

                cont = cont.containingClass();

            }

            addSummaryComment(element, contentTree);

        }

    }

    /**

     * Add description about the Static Varible/Method/Constructor for a

     * member.

     *

     * @param member MemberDoc for the member within the Class Kind

     * @param contentTree the content tree to which the member description will be added

     */

    protected void addMemberDesc(MemberDoc member, Content contentTree) {

        ClassDoc containing = member.containingClass();

        String classdesc = Util.getTypeName(

                configuration, containing, true) + " ";

        if (member.isField()) {

            if (member.isStatic()) {

                contentTree.addContent(

                        getResource("doclet.Static_variable_in", classdesc));

            } else {

                contentTree.addContent(

                        getResource("doclet.Variable_in", classdesc));

            }

        } else if (member.isConstructor()) {

            contentTree.addContent(

                    getResource("doclet.Constructor_for", classdesc));

        } else if (member.isMethod()) {

            if (member.isStatic()) {

                contentTree.addContent(

                        getResource("doclet.Static_method_in", classdesc));

            } else {

                contentTree.addContent(

                        getResource("doclet.Method_in", classdesc));

            }

        }

        addPreQualifiedClassLink(LinkInfoImpl.CONTEXT_INDEX, containing,

                false, contentTree);

    }

}