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JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF1.2 features. A JSF1.2 implementation is required to use this version of the Tomahawk library.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.myfaces.custom.tabbedpane;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.faces.application.ViewHandler;
import javax.faces.component.UIComponent;
import javax.faces.component.UIForm;
import javax.faces.component.UINamingContainer;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;

import org.apache.myfaces.component.UserRoleUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
import org.apache.myfaces.renderkit.html.util.AddResource;
import org.apache.myfaces.renderkit.html.util.AddResourceFactory;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.html.util.JavascriptUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.html.util.FormInfo;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRenderer;

/**
 * @JSFRenderer
 *   renderKitId = "HTML_BASIC" 
 *   family = "javax.faces.Panel"
 *   type = "org.apache.myfaces.TabbedPane"
 * 
 * @author Manfred Geiler (latest modification by $Author: lu4242 $)
 * @version $Revision: 783584 $ $Date: 2009-06-10 19:00:13 -0500 (Wed, 10 Jun 2009) $
 */
public class HtmlTabbedPaneRenderer
        extends HtmlRenderer
{
    private static final String HEADER_ROW_CLASS = "myFaces_pannelTabbedPane_HeaderRow";
    private static final String ACTIVE_HEADER_CELL_CLASS = "myFaces_panelTabbedPane_activeHeaderCell";
    private static final String INACTIVE_HEADER_CELL_CLASS = "myFaces_panelTabbedPane_inactiveHeaderCell";
    private static final String DISABLED_HEADER_CELL_CLASS = "myFaces_panelTabbedPane_disabledHeaderCell";
    private static final String EMPTY_HEADER_CELL_CLASS = "myFaces_panelTabbedPane_emptyHeaderCell";
    private static final String SUB_HEADER_ROW_CLASS = "myFaces_pannelTabbedPane_subHeaderRow";
    private static final String SUB_HEADER_CELL_CLASS = "myFaces_panelTabbedPane_subHeaderCell";
    private static final String SUB_HEADER_CELL_CLASS_ACTIVE = "myFaces_panelTabbedPane_subHeaderCell_active";
    private static final String SUB_HEADER_CELL_CLASS_INACTIVE = "myFaces_panelTabbedPane_subHeaderCell_inactive";
    private static final String SUB_HEADER_CELL_CLASS_FIRST = "myFaces_panelTabbedPane_subHeaderCell_first";
    private static final String SUB_HEADER_CELL_CLASS_LAST = "myFaces_panelTabbedPane_subHeaderCell_last";
    private static final String CONTENT_ROW_CLASS = "myFaces_panelTabbedPane_contentRow";
    private static final String TAB_PANE_CLASS = "myFaces_panelTabbedPane_pane";

    private static final String DEFAULT_BG_COLOR = "white";

    private static final String AUTO_FORM_SUFFIX = ".autoform";
    private static final String TAB_DIV_SUFFIX = ".content";


    public void encodeBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException
    {
        // NoOp
    }

    public boolean getRendersChildren()
    {
        return true;
    }

    public void encodeChildren(FacesContext facescontext, UIComponent uicomponent) throws IOException
    {
        // NoOp
    }

    public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException
    {
        RendererUtils.checkParamValidity(facesContext, uiComponent, HtmlPanelTabbedPane.class);
        HtmlPanelTabbedPane tabbedPane = (HtmlPanelTabbedPane)uiComponent;
        if (tabbedPane.getBgcolor() == null)
        {
            tabbedPane.setBgcolor(DEFAULT_BG_COLOR);
        }

        AddResource addResource = AddResourceFactory.getInstance(facesContext);

        addResource.addStyleSheet(facesContext,AddResource.HEADER_BEGIN,
                                  HtmlTabbedPaneRenderer.class, "defaultStyles.css");

        if( tabbedPane.isClientSide() ){
                addResource.addJavaScriptAtPosition(facesContext, AddResource.HEADER_BEGIN, HtmlTabbedPaneRenderer.class, "dynamicTabs.js");
                addResource.addInlineStyleAtPosition(facesContext,AddResource.HEADER_BEGIN,
                                                     '#'+getTableStylableId(tabbedPane,facesContext)+" ."+ACTIVE_HEADER_CELL_CLASS+" input,\n" +
                                                     '#'+getTableStylableId(tabbedPane,facesContext)+" ."+TAB_PANE_CLASS+",\n" +
                                                     '#'+getTableStylableId(tabbedPane,facesContext)+" ."+SUB_HEADER_CELL_CLASS+"{\n"+
                                                     "background-color:" + tabbedPane.getBgcolor()+";\n"+
                                                     "}\n");
        }


        ResponseWriter writer = facesContext.getResponseWriter();

        HtmlRendererUtils.writePrettyLineSeparator(facesContext);

        int selectedIndex = tabbedPane.getSelectedIndex();

        FormInfo parentFormInfo = RendererUtils.findNestingForm(tabbedPane, facesContext);
        if (parentFormInfo == null)
        {
            writeFormStart(writer, facesContext, tabbedPane);
        }

        List children = tabbedPane.getChildren();

        if( tabbedPane.isClientSide() ){
            List headerIDs = new ArrayList();
            List tabIDs = new ArrayList();
            for (int i = 0, len = children.size(); i < len; i++)
            {
                UIComponent child = getUIComponent((UIComponent)children.get(i));
                if (child instanceof HtmlPanelTab && child.isRendered()){
                    HtmlPanelTab tab = (HtmlPanelTab) child;
                    tabIDs.add( child.getClientId(facesContext) + TAB_DIV_SUFFIX);
                    if( ! isDisabled(facesContext, tab) )
                        headerIDs.add( getHeaderCellID(tab, facesContext) );
                }
            }

            HtmlRendererUtils.writePrettyLineSeparator(facesContext);
            writer.startElement(HTML.SCRIPT_ELEM, tabbedPane);
            writer.writeAttribute(HTML.SCRIPT_TYPE_ATTR, HTML.SCRIPT_TYPE_TEXT_JAVASCRIPT, null);
            writer.write('\n');

            writer.write( getHeaderCellsIDsVar(tabbedPane,facesContext)+"= new Array(" );
            for(Iterator ids=headerIDs.iterator(); ids.hasNext();){
                String id = (String)ids.next();
                writer.write('"'+JavascriptUtils.encodeString( id )+'"');
                if( ids.hasNext() )
                    writer.write(',');
            }
            writer.write( ");\n" ); // end Array

            writer.write( getTabsIDsVar(tabbedPane,facesContext)+"= new Array(" );
            for(Iterator ids=tabIDs.iterator(); ids.hasNext();){
                String id = (String)ids.next();
                writer.write('"'+JavascriptUtils.encodeString( id )+'"');
                if( ids.hasNext() )
                    writer.write(',');
            }
            writer.write( ");\n" ); // end Array

            writer.endElement(HTML.SCRIPT_ELEM);
            HtmlRendererUtils.writePrettyLineSeparator(facesContext);

            String submitFieldIDAndName = getTabIndexSubmitFieldIDAndName(tabbedPane, facesContext);
            writer.startElement(HTML.INPUT_ELEM, tabbedPane);
            writer.writeAttribute(HTML.ID_ATTR, submitFieldIDAndName, null);
            writer.writeAttribute(HTML.NAME_ATTR, submitFieldIDAndName, null);
            writer.writeAttribute(HTML.STYLE_ATTR, "display:none", null);
            writer.endElement(HTML.INPUT_ELEM);
        }

        writeTableStart(writer, facesContext, tabbedPane);
        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
        writer.startElement(HTML.TR_ELEM, tabbedPane);
        writer.writeAttribute(HTML.CLASS_ATTR, HEADER_ROW_CLASS, null);

        //Tab headers
        int tabIdx = 0;
        int visibleTabCount = 0;
        int visibleTabSelectedIdx = -1;
        for (int i = 0, len = children.size(); i < len; i++)
        {
            UIComponent child = getUIComponent((UIComponent)children.get(i));
            if (child instanceof HtmlPanelTab)
            {
                if (child.isRendered())
                {
                    writeHeaderCell(writer,
                                    facesContext,
                                    tabbedPane,
                                    (HtmlPanelTab)child,
                                    tabIdx,
                                    visibleTabCount,
                                    tabIdx == selectedIndex,
                                    isDisabled(facesContext, (HtmlPanelTab)child));
                    if (tabIdx == selectedIndex)
                    {
                        visibleTabSelectedIdx = visibleTabCount;
                    }
                    visibleTabCount++;
                }
                tabIdx++;
            }
        }

        //Empty tab cell on the right for better look
        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
        HtmlRendererUtils.writePrettyIndent(facesContext);
        writer.startElement(HTML.TD_ELEM, tabbedPane);
        writer.writeAttribute(HTML.CLASS_ATTR, EMPTY_HEADER_CELL_CLASS, null);
        writer.write(" ");
        writer.endElement(HTML.TD_ELEM);
        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
        writer.endElement(HTML.TR_ELEM);

        //Sub header cells
        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
        writer.startElement(HTML.TR_ELEM, tabbedPane);
        writer.writeAttribute(HTML.CLASS_ATTR, SUB_HEADER_ROW_CLASS, null);
        writeSubHeaderCells(writer, facesContext, tabbedPane, visibleTabCount, visibleTabSelectedIdx);
        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
        writer.endElement(HTML.TR_ELEM);

        //Tabs
        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
        writer.startElement(HTML.TR_ELEM, tabbedPane);
        writer.writeAttribute(HTML.CLASS_ATTR, CONTENT_ROW_CLASS, null);
        writer.startElement(HTML.TD_ELEM, tabbedPane);
        writer.writeAttribute(HTML.COLSPAN_ATTR, Integer.toString(visibleTabCount + 1), null);
        String tabContentStyleClass = tabbedPane.getTabContentStyleClass();
        writer.writeAttribute(HTML.CLASS_ATTR, TAB_PANE_CLASS+(tabContentStyleClass==null ? "" : " "+tabContentStyleClass), null);

        writeTabsContents(writer, facesContext, tabbedPane, selectedIndex);

        writer.endElement(HTML.TD_ELEM);
        writer.endElement(HTML.TR_ELEM);

        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
        writer.endElement(HTML.TABLE_ELEM);

        if (parentFormInfo == null)
        {
            writeFormEnd(writer, facesContext);
        }
    }


    public void decode(FacesContext facesContext, UIComponent uiComponent)
    {
        RendererUtils.checkParamValidity(facesContext, uiComponent, HtmlPanelTabbedPane.class);

        HtmlPanelTabbedPane tabbedPane = (HtmlPanelTabbedPane)uiComponent;

        Map paramMap = facesContext.getExternalContext().getRequestParameterMap();

        int tabIdx = 0;
        List children = tabbedPane.getChildren();
        for (int i = 0, len = children.size(); i < len; i++)
        {
            UIComponent child = getUIComponent((UIComponent)children.get(i));
            if (child instanceof HtmlPanelTab)
            {
                String paramName = tabbedPane.getClientId(facesContext) + "." + tabIdx;
                String paramValue = (String)paramMap.get(paramName);
                if (paramValue != null && paramValue.length() > 0)
                {
                    tabbedPane.queueEvent(new TabChangeEvent(tabbedPane,
                                                             tabbedPane.getSelectedIndex(),
                                                             tabIdx));
                    return;
                }
                tabIdx++;
            }
        }

        // No request due to a header button pressed.
        // Restore a client-side switch
        if( tabbedPane.isClientSide() ){
            String clientSideIndex = (String)paramMap.get(getTabIndexSubmitFieldIDAndName(tabbedPane, facesContext));
            if (clientSideIndex != null && clientSideIndex.length() > 0)
            {
                tabbedPane.setSelectedIndex( Integer.parseInt(clientSideIndex) );
                return;
            }
        }
    }

    protected void writeFormStart(ResponseWriter writer,
                                  FacesContext facesContext,
                                  UIComponent tabbedPane)
        throws IOException
    {
        ViewHandler viewHandler = facesContext.getApplication().getViewHandler();
        String viewId = facesContext.getViewRoot().getViewId();
        String actionURL = viewHandler.getActionURL(facesContext, viewId);

        //write out auto form
        writer.startElement(HTML.FORM_ELEM, tabbedPane);
        writer.writeAttribute(HTML.NAME_ATTR, tabbedPane.getClientId(facesContext) + AUTO_FORM_SUFFIX, null);
        writer.writeAttribute(HTML.STYLE_ATTR, "display:inline", null);
        writer.writeAttribute(HTML.METHOD_ATTR, "post", null);
        writer.writeURIAttribute(HTML.ACTION_ATTR,
                                 facesContext.getExternalContext().encodeActionURL(actionURL),
                                 null);
        writer.flush();
    }

    protected String getHeaderCellsIDsVar(HtmlPanelTabbedPane tabbedPane, FacesContext facesContext){
        return JavascriptUtils.getValidJavascriptName(
                "panelTabbedPane_"+tabbedPane.getClientId(facesContext)+"_HeadersIDs",
                false);
    }

    protected String getTabsIDsVar(HtmlPanelTabbedPane tabbedPane, FacesContext facesContext){
        return JavascriptUtils.getValidJavascriptName(
                "panelTabbedPane_"+tabbedPane.getClientId(facesContext)+"_IDs",
                false);
    }

    protected String getDefaultActiveHeaderStyleClass(HtmlPanelTabbedPane tabbedPane, FacesContext facesContext){
        return JavascriptUtils.getValidJavascriptName(
                "panelTabbedPane_"+tabbedPane.getClientId(facesContext)+"_ActiveStyle",
                false);
    }

    protected String getHeaderClasses(HtmlPanelTabbedPane tabbedPane, HtmlPanelTab tab, String defaultClass, String userClass){
        String headerCellClass = defaultClass;
        String userTabStyleClass = tab.getStyleClass();

        if( userClass != null )
            headerCellClass = headerCellClass + " " + userClass;

        if( userTabStyleClass != null )
            headerCellClass = headerCellClass + " " + userTabStyleClass;

        return headerCellClass;
    }

    protected void writeTableStart(ResponseWriter writer,
                                   FacesContext facesContext,
                                   HtmlPanelTabbedPane tabbedPane)
        throws IOException
    {
        String oldBgColor = tabbedPane.getBgcolor();
        tabbedPane.setBgcolor(null);

        writer.startElement(HTML.TABLE_ELEM, tabbedPane);
        writer.writeAttribute(HTML.ID_ATTR, getTableStylableId(tabbedPane,facesContext), null);
        String oldTabbedStyleClass = tabbedPane.getStyleClass();
        tabbedPane.setStyleClass ((oldTabbedStyleClass == null) ? "myFaces_panelTabbedPane" : "myFaces_panelTabbedPane " + oldTabbedStyleClass);
        writer.writeAttribute(HTML.CELLSPACING_ATTR, "0", null);
        HtmlRendererUtils.renderHTMLAttributes(writer, tabbedPane, HTML.TABLE_PASSTHROUGH_ATTRIBUTES);
        writer.flush();

        tabbedPane.setBgcolor(oldBgColor);
        tabbedPane.setStyleClass(oldTabbedStyleClass);
    }

    /**
     * As the colon (:) can't be used in CSS, transforms the id to make it safe to use for CSS. 
     */
    protected String getTableStylableId(HtmlPanelTabbedPane tabbedPane, FacesContext facesContext){
        String originalID = tabbedPane.getClientId( facesContext );
        return originalID.replace(':','_');
    }

    protected String getTabIndexSubmitFieldIDAndName(HtmlPanelTabbedPane tabbedPane, FacesContext facesContext){
        return tabbedPane.getClientId(facesContext)+"_indexSubmit";
    }

    protected String getHeaderCellID(HtmlPanelTab tab, FacesContext facesContext){
        return tab.getClientId(facesContext)+"_headerCell";
    }

    // Do not change without modifying the .js
    private String getSubHeaderCellID(HtmlPanelTab tab, FacesContext facesContext){
        return tab.getClientId(facesContext)+"_headerCell_sub";
    }

    protected void writeHeaderCell(ResponseWriter writer,
                                   FacesContext facesContext,
                                   HtmlPanelTabbedPane tabbedPane,
                                   HtmlPanelTab tab,
                                   int tabIndex,
                                   int visibleTabIndex,
                                   boolean active,
                                   boolean disabled)
        throws IOException
    {
        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
        HtmlRendererUtils.writePrettyIndent(facesContext);
        writer.startElement(HTML.TD_ELEM, tabbedPane);
        writer.writeAttribute(HTML.ID_ATTR, getHeaderCellID(tab, facesContext), null);

        if (disabled)
        {
            String disabledClass = tabbedPane.getDisabledTabStyleClass();
            writer.writeAttribute(HTML.CLASS_ATTR,
                                  DISABLED_HEADER_CELL_CLASS + (disabledClass==null ? "" : ' '+disabledClass),
                                  null);
        }
        else{
            if (active)
            {
                writer.writeAttribute(HTML.CLASS_ATTR,
                                      getHeaderClasses(tabbedPane, tab, ACTIVE_HEADER_CELL_CLASS, tabbedPane.getActiveTabStyleClass()),
                                      null);
            }
            else
            {
                writer.writeAttribute(HTML.CLASS_ATTR,
                                      getHeaderClasses(tabbedPane, tab, INACTIVE_HEADER_CELL_CLASS, tabbedPane.getInactiveTabStyleClass()),
                                      null);
            }
        }
      
        if (tab.getStyle() != null) {
            writer.writeAttribute(HTML.STYLE_ATTR, tab.getStyle(), null);
        }

        String label = tab.getLabel();
        if (label == null || label.length() == 0)
        {
            label = "Tab " + tabIndex;
        }

        if (disabled) {
            writer.startElement(HTML.LABEL_ELEM, tabbedPane);
            // writer.writeAttribute(HTML.NAME_ATTR, tabbedPane.getClientId(facesContext) + "." + tabIndex, null); // Usefull ?
            writer.writeText(label, null);
            writer.endElement(HTML.LABEL_ELEM);
        } else {
            // Button
            writer.startElement(HTML.INPUT_ELEM, tabbedPane);
            writer.writeAttribute(HTML.TYPE_ATTR, "submit", null);
            writer.writeAttribute(HTML.NAME_ATTR, tabbedPane.getClientId(facesContext) + "." + tabIndex, null);
            writer.writeAttribute(HTML.VALUE_ATTR, label, null);
            if( tabbedPane.isClientSide() ){
                String activeUserClass = tabbedPane.getActiveTabStyleClass();
                String inactiveUserClass = tabbedPane.getInactiveTabStyleClass();
                String activeSubStyleUserClass = tabbedPane.getActiveSubStyleClass();
                String inactiveSubStyleUserClass = tabbedPane.getInactiveSubStyleClass();
                String onclickEvent = tab.getAttributes().get(HTML.ONCLICK_ATTR) != null ? (String) tab.getAttributes().get(HTML.ONCLICK_ATTR) : "";
                
                if(!("").equals(onclickEvent) && onclickEvent.charAt(onclickEvent.length()-1) !=  ';') {
                    onclickEvent += ";";
                }
                
                writer.writeAttribute(HTML.ONCLICK_ATTR,
                                      onclickEvent
                                      + "return myFaces_showPanelTab("
                                      +tabIndex+",'"+getTabIndexSubmitFieldIDAndName(tabbedPane, facesContext)+"',"
                                      +'\''+getHeaderCellID(tab, facesContext)+"','"+tab.getClientId(facesContext) + TAB_DIV_SUFFIX +"',"
                                      +getHeaderCellsIDsVar(tabbedPane,facesContext)+','+getTabsIDsVar(tabbedPane,facesContext)+','
                                      + (activeUserClass==null ? "null" : '\''+activeUserClass+'\'')+','+ (inactiveUserClass==null ? "null" : '\''+inactiveUserClass+'\'')+','
                                      + (activeSubStyleUserClass==null ? "null" : '\''+activeSubStyleUserClass+'\'')+','+ (inactiveSubStyleUserClass==null ? "null" : '\''+inactiveSubStyleUserClass+'\'')+");",
                                      null);
            }

            writer.endElement(HTML.INPUT_ELEM);
        }
        writer.endElement(HTML.TD_ELEM);
    }


    protected void writeSubHeaderCells(ResponseWriter writer,
                                       FacesContext facesContext,
                                       HtmlPanelTabbedPane tabbedPane,
                                       int visibleTabCount,
                                       int visibleTabSelectedIndex)
            throws IOException
    {
        String activeSubStyleUserClass = tabbedPane.getActiveSubStyleClass();
        String inactiveSubStyleUserClass = tabbedPane.getInactiveSubStyleClass();

        List children = tabbedPane.getChildren();
        StringBuffer classes = new StringBuffer();
        for (int i = 0, len = children.size(), renderedIndex = 0; i < len; i++)
        {
            UIComponent child = getUIComponent((UIComponent)children.get(i));
            if (child instanceof HtmlPanelTab && child.isRendered())
            {
                HtmlRendererUtils.writePrettyLineSeparator(facesContext);
                HtmlRendererUtils.writePrettyIndent(facesContext);
                writer.startElement(HTML.TD_ELEM, tabbedPane);
                writer.writeAttribute(HTML.ID_ATTR, getSubHeaderCellID((HtmlPanelTab)child, facesContext), null);
                classes.setLength(0);
                classes.append(SUB_HEADER_CELL_CLASS);
                if( renderedIndex == 0 ){
                    classes.append(' ');
                    classes.append(SUB_HEADER_CELL_CLASS_FIRST);
                }
                if( renderedIndex == visibleTabCount ){
                    classes.append(' ');
                    classes.append(SUB_HEADER_CELL_CLASS_LAST);
                }
                if( renderedIndex == visibleTabSelectedIndex ){
                    if( activeSubStyleUserClass != null ){
                        classes.append(' ');
                        classes.append(activeSubStyleUserClass);
                    }
                }else if( inactiveSubStyleUserClass != null ){
                    classes.append(' ');
                    classes.append(inactiveSubStyleUserClass);
                }

                classes.append(' ');
                classes.append(renderedIndex == visibleTabSelectedIndex ? SUB_HEADER_CELL_CLASS_ACTIVE : SUB_HEADER_CELL_CLASS_INACTIVE);

                writer.writeAttribute(HTML.CLASS_ATTR, classes.toString(), null);

                writer.write(" ");
                writer.endElement(HTML.TD_ELEM);

                renderedIndex++;
            }
        }

        // Empty Cell Sub
        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
        HtmlRendererUtils.writePrettyIndent(facesContext);
        writer.startElement(HTML.TD_ELEM, tabbedPane);
        writer.writeAttribute(
                HTML.CLASS_ATTR,
                SUB_HEADER_CELL_CLASS+' '+SUB_HEADER_CELL_CLASS_LAST
                +(inactiveSubStyleUserClass != null ? ' '+inactiveSubStyleUserClass : ""),
                null);
        writer.write(" ");
        writer.endElement(HTML.TD_ELEM);
    }

    protected void writeTabsContents(ResponseWriter writer, FacesContext facesContext, HtmlPanelTabbedPane tabbedPane,
                                     int selectedIndex) throws IOException {
        HtmlRendererUtils.writePrettyLineSeparator(facesContext);

        int tabIdx = 0;
        List children = tabbedPane.getChildren();
        for (int i = 0, len = children.size(); i < len; i++) {
            UIComponent child = getUIComponent((UIComponent) children.get(i));
            if (child instanceof HtmlPanelTab) {
                String activeTabVar = tabbedPane.getActiveTabVar();
                if (activeTabVar != null) {
                    Map requestMap = facesContext.getExternalContext().getRequestMap();
                    requestMap.put(activeTabVar, Boolean.valueOf(tabIdx == selectedIndex));
                }

                HtmlPanelTab tab = (HtmlPanelTab)child;
                writer.startElement(HTML.DIV_ELEM, tabbedPane);
               writer.writeAttribute(HTML.ID_ATTR, tab.getClientId(facesContext) + TAB_DIV_SUFFIX, null);
                // the inactive tabs are hidden with a div-tag
                if (tabIdx != selectedIndex) {
                    writer.writeAttribute(HTML.STYLE_ATTR, "display:none", null);
                }
                if (tabbedPane.isClientSide() || selectedIndex == tabIdx) {
                  // render all content in client side mode or only the selected in server side mode
                  RendererUtils.renderChild(facesContext, child);
                }
                writer.endElement(HTML.DIV_ELEM);

                tabIdx++;
                if (activeTabVar != null) {
                    Map requestMap = facesContext.getExternalContext().getRequestMap();
                    requestMap.remove(tabbedPane.getActiveTabVar());
                }
            } else {
                RendererUtils.renderChild(facesContext, child);
            }
        }
   }

    private UIComponent getUIComponent(UIComponent uiComponent)
    {
        /* todo: handle forms other than UIForm */
        if (uiComponent instanceof UIForm || uiComponent instanceof UINamingContainer)
        {
            List children = uiComponent.getChildren();
            for (int i = 0, len = children.size(); i < len; i++)
            {
                uiComponent = getUIComponent((UIComponent)children.get(i));
            }
        }
        return uiComponent;
    }

    protected void writeFormEnd(ResponseWriter writer,
                                FacesContext facesContext)
        throws IOException
    {
        //write state marker
        ViewHandler viewHandler = facesContext.getApplication().getViewHandler();
        viewHandler.writeState(facesContext);

        writer.endElement(HTML.FORM_ELEM);
    }

    protected boolean isDisabled(FacesContext facesContext, HtmlPanelTab tab)
    {
        return !UserRoleUtils.isEnabledOnUserRole(tab) || tab.isDisabled();
    }
}




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