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package jdk.javadoc.internal.doclets.formats.html;

import javax.lang.model.element.Element;
import javax.lang.model.element.PackageElement;

import jdk.javadoc.internal.doclets.formats.html.markup.BodyContents;
import jdk.javadoc.internal.doclets.formats.html.markup.ContentBuilder;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlStyle;
import jdk.javadoc.internal.doclets.formats.html.markup.TagName;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree;
import jdk.javadoc.internal.doclets.formats.html.Navigation.PageMode;
import jdk.javadoc.internal.doclets.toolkit.Content;
import jdk.javadoc.internal.doclets.toolkit.util.ClassTree;
import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException;
import jdk.javadoc.internal.doclets.toolkit.util.DocPath;
import jdk.javadoc.internal.doclets.toolkit.util.DocPaths;



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.
 
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.

/**
 * 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.
 *
 *  <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>
 */
public class PackageTreeWriter extends AbstractTreeWriter {

    
Package for which tree is to be generated.

/**
     * Package for which tree is to be generated.
     */
    protected PackageElement packageElement;

    private final BodyContents bodyContents = new BodyContents();

    
Constructor.

Params:
  • configuration – the configuration
  • path – the docpath to generate files into
  • packageElement – the current package
/**
     * Constructor.
     * @param configuration the configuration
     * @param path the docpath to generate files into
     * @param packageElement the current package
     */
    public PackageTreeWriter(HtmlConfiguration configuration, DocPath path, PackageElement packageElement) {
        super(configuration, path,
              new ClassTree(configuration.typeElementCatalog.allClasses(packageElement), configuration));
        this.packageElement = packageElement;
    }

    
Construct a PackageTreeWriter object and then use it to generate the
package tree page.

Params:
  • configuration – the configuration for this run.
  • pkg –      Package for which tree file is to be generated.
  • noDeprecated –  If true, do not generate any information for
deprecated classes or interfaces.
Throws:
/**
     * Construct a PackageTreeWriter object and then use it to generate the
     * package tree page.
     *
     * @param configuration the configuration for this run.
     * @param pkg      Package for which tree file is to be generated.
     * @param noDeprecated  If true, do not generate any information for
     * deprecated classes or interfaces.
     * @throws DocFileIOException if there is a problem generating the package tree page
     */
    public static void generate(HtmlConfiguration configuration,
                                PackageElement pkg, boolean noDeprecated)
            throws DocFileIOException {
        DocPath path = configuration.docPaths.forPackage(pkg).resolve(DocPaths.PACKAGE_TREE);
        PackageTreeWriter packgen = new PackageTreeWriter(configuration, path, pkg);
        packgen.generatePackageTreeFile();
    }

    
Generate a separate tree file for each package.

Throws:
  • DocFileIOException – if there is a problem generating the package tree file
/**
     * Generate a separate tree file for each package.
     * @throws DocFileIOException if there is a problem generating the package tree file
     */
    protected void generatePackageTreeFile() throws DocFileIOException {
        HtmlTree body = getPackageTreeHeader();
        Content mainContent = new ContentBuilder();
        Content headContent = contents.getContent("doclet.Hierarchy_For_Package",
                utils.getPackageName(packageElement));
        Content heading = HtmlTree.HEADING(Headings.PAGE_TITLE_HEADING,
                HtmlStyle.title, headContent);
        Content div = HtmlTree.DIV(HtmlStyle.header, heading);
        if (configuration.packages.size() > 1) {
            addLinkToMainTree(div);
        }
        mainContent.add(div);
        addTree(classtree.baseClasses(), "doclet.Class_Hierarchy", mainContent);
        addTree(classtree.baseInterfaces(), "doclet.Interface_Hierarchy", mainContent);
        addTree(classtree.baseAnnotationTypes(), "doclet.Annotation_Type_Hierarchy", mainContent);
        addTree(classtree.baseEnums(), "doclet.Enum_Hierarchy", mainContent, true);
        bodyContents.addMainContent(mainContent);
        bodyContents.setFooter(getFooter());
        body.add(bodyContents);
        printHtmlDocument(null, getDescription("tree", packageElement), body);
    }

    
Get the package tree header.

Returns:a content tree for the header
/**
     * Get the package tree header.
     *
     * @return a content tree for the header
     */
    protected HtmlTree getPackageTreeHeader() {
        String packageName = packageElement.isUnnamed() ? "" : utils.getPackageName(packageElement);
        String title = packageName + " " + resources.getText("doclet.Window_Class_Hierarchy");
        HtmlTree bodyTree = getBody(getWindowTitle(title));
        bodyContents.setHeader(getHeader(PageMode.TREE, packageElement));
        return bodyTree;
    }

    @Override
    protected Navigation getNavBar(PageMode pageMode, Element element) {
        Content linkContent = getModuleLink(utils.elementUtils.getModuleOf(packageElement),
                contents.moduleLabel);
        return super.getNavBar(pageMode, element)
                .setNavLinkModule(linkContent);
    }

    
Add a link to the tree for all the packages.

Params:
  • div – the content tree to which the link will be added
/**
     * Add a link to the tree for all the packages.
     *
     * @param div the content tree to which the link will be added
     */
    protected void addLinkToMainTree(Content div) {
        Content span = HtmlTree.SPAN(HtmlStyle.packageHierarchyLabel,
                contents.packageHierarchies);
        div.add(span);
        HtmlTree ul = new HtmlTree (TagName.UL);
        ul.setStyle(HtmlStyle.horizontal);
        ul.add(getNavLinkMainTree(resources.getText("doclet.All_Packages")));
        div.add(ul);
    }
}