MainTreeMenuInclude.java

/*
 * Copyright (c) 2002-2017, Mairie de Paris
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice
 *     and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *
 *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * License 1.0
 */
package fr.paris.lutece.plugins.menus.web;

import fr.paris.lutece.plugins.menus.business.MenuItem;
import fr.paris.lutece.plugins.menus.service.MainTreeMenuService;
import fr.paris.lutece.plugins.menus.service.MenusService;
import fr.paris.lutece.portal.service.content.PageData;
import fr.paris.lutece.portal.service.includes.PageInclude;
import fr.paris.lutece.portal.service.template.AppTemplateService;
import fr.paris.lutece.portal.service.util.AppLogService;
import fr.paris.lutece.portal.web.constants.Parameters;
import fr.paris.lutece.util.html.HtmlTemplate;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

/**
 * MainTreeMenuInclude
 */
public class MainTreeMenuInclude implements PageInclude
{
    // ///////////////////////////////////////////////////////////////////////////////////////////
    // Constants

    // Templates
    private static final String TEMPLATE_MENU_PAGES = "skin/plugins/menus/main_tree_pages_list.html";
    private static final String TEMPLATE_MENU_PAGES_TREE = "skin/plugins/menus/main_tree_pages_list_tree.html";

    // Parameters
    private static final String PARAMETER_CURRENT_PAGE_ID = "current_page_id";

    // Markers
    private static final String MARK_MENU = "menu";
    private static final String MARK_CURRENT_PAGE_ID = "current_page_id";
    private static final String MARK_ROOT_PAGE_ID = "root_page_id";
    private static final String MARK_PAGE_MENU_MAIN = "page_tree_menu_main";
    private static final String MARK_PAGE_MENU_TREE = "page_tree_menu_tree";

    /**
     * Substitue specific Freemarker markers in the page template.
     * 
     * @param rootModel
     *            the HashMap containing markers to substitute
     * @param data
     *            A PageData object containing applications data
     * @param nMode
     *            The current mode
     * @param request
     *            The HTTP request
     */
    public void fillTemplate( Map<String, Object> rootModel, PageData data, int nMode, HttpServletRequest request )
    {
        if ( request != null )
        {
            int nCurrentPageId;

            /* test parameter name: page_id parameter for a PageContentService, current_page_id for a DocumentContentService */
            String strParameterPageId = ( request.getParameter( PARAMETER_CURRENT_PAGE_ID ) == null ) ? Parameters.PAGE_ID : PARAMETER_CURRENT_PAGE_ID;

            try
            {
                nCurrentPageId = ( request.getParameter( strParameterPageId ) == null ) ? 0 : Integer.parseInt( request.getParameter( strParameterPageId ) );
            }
            catch( NumberFormatException nfe )
            {
                AppLogService.info( "MainMenuInclude.fillTemplate() : " + nfe.getLocalizedMessage( ) );
                nCurrentPageId = 0;
            }

            rootModel.put( MARK_PAGE_MENU_MAIN, getMainPageList( nCurrentPageId, nMode, request ) );
            rootModel.put( MARK_PAGE_MENU_TREE, getTreePageList( nCurrentPageId, nMode, request ) );
        }
    }

    /**
     * Display the list of childpages pages for first level of childpages
     * 
     * @param nCurrentPageId
     *            The current page id
     * @param nMode
     *            The current mode
     * @param request
     *            The HTTP request
     * @return the list of childpages
     */
    private String getMainPageList( int nCurrentPageId, int nMode, HttpServletRequest request )
    {
        HashMap<String, Object> modelList = new HashMap<String, Object>( );
        Locale locale = null;
        if ( request != null )
        {
            locale = request.getLocale( );
        }

        // Define the root tree for each childpages of root page
        int nRootParentTree = MainTreeMenuService.getInstance( ).getRootParentTree( nCurrentPageId );

        MenuItem root = MainTreeMenuService.getInstance( ).getMainMenuItems( );

        modelList.put( MARK_MENU, root );
        modelList.put( MARK_ROOT_PAGE_ID, nRootParentTree );
        modelList.put( MARK_CURRENT_PAGE_ID, Integer.toString( nCurrentPageId ) );

        // Define the site path from url, by mode
        modelList.put( MenusService.MARKER_SITE_PATH, MenusService.getInstance( ).getSitePath( nMode ) );

        HtmlTemplate templateList = AppTemplateService.getTemplate( TEMPLATE_MENU_PAGES, locale, modelList );

        return templateList.getHtml( );
    }

    /**
     * Display the list of childpages pages for other levels
     * 
     * @param nCurrentPageId
     *            The current page id
     * @param nMode
     *            The current mode
     * @param request
     *            The HTTP request
     * @return the list of chilpages
     */
    private String getTreePageList( int nCurrentPageId, int nMode, HttpServletRequest request )
    {
        HashMap<String, Object> modelList = new HashMap<String, Object>( );
        Locale locale = null;
        if ( request != null )
        {
            locale = request.getLocale( );
        }

        // Define the root tree for each childpages of root page
        int nRootParentTree = MainTreeMenuService.getInstance( ).getRootParentTree( nCurrentPageId );

        MenuItem root = MainTreeMenuService.getInstance( ).getTreeMenuItems( nCurrentPageId, nRootParentTree );

        modelList.put( MARK_MENU, root );
        modelList.put( MARK_ROOT_PAGE_ID, nRootParentTree );
        modelList.put( MARK_CURRENT_PAGE_ID, Integer.toString( nCurrentPageId ) );

        // Define the site path from url, by mode
        modelList.put( MenusService.MARKER_SITE_PATH, MenusService.getInstance( ).getSitePath( nMode ) );

        HtmlTemplate templateList = AppTemplateService.getTemplate( TEMPLATE_MENU_PAGES_TREE, locale, modelList );

        return templateList.getHtml( );
    }
}