001/*
002 *  Copyright 2017 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.web.resources.css.sass;
017
018import org.apache.avalon.framework.service.ServiceException;
019import org.apache.avalon.framework.service.ServiceManager;
020import org.apache.avalon.framework.service.Serviceable;
021import org.apache.cocoon.components.ContextHelper;
022import org.apache.cocoon.environment.Request;
023import org.apache.commons.lang3.StringUtils;
024import org.slf4j.Logger;
025
026import org.ametys.plugins.core.ui.resources.css.sass.AbstractAmetysSASSFunctionsProvider;
027import org.ametys.runtime.plugin.component.LogEnabled;
028import org.ametys.web.WebHelper;
029import org.ametys.web.repository.site.Site;
030import org.ametys.web.repository.site.SiteManager;
031
032import io.bit3.jsass.annotation.Name;
033import io.bit3.jsass.type.SassString;
034
035/**
036 * This helper provides function that will be directly injected into Sass file compilation. 
037 * Inherited methods are NOT injected. For this reason, method that must not be accessed from Sass have to be declared in the parent class AbstractAmetysSASSHelper
038 */
039public class AmetysSassFunctionsProvider extends AbstractAmetysSASSFunctionsProvider implements Serviceable, LogEnabled
040{
041    private SiteManager _siteManager;
042    private Logger _logger;
043
044    public void service(ServiceManager manager) throws ServiceException
045    {
046        _siteManager = (SiteManager) manager.lookup(SiteManager.ROLE);
047    }
048    
049    public void setLogger(Logger logger)
050    {
051        _logger = logger;
052    }
053    
054    /**
055     * Resolve url path inside the current skin
056     * @param path the path relative to the current skin
057     * @return the absolute path
058     */
059    public SassString skinUrl(@Name("path") String path)
060    {
061        Request request = ContextHelper.getRequest(_context);
062        String skinName = (String) request.getAttribute("skin");
063        
064        if (StringUtils.isBlank(skinName))
065        {
066            String siteName = WebHelper.getSiteName(request);
067            Site site = _siteManager.getSite(siteName);
068            skinName = site.getSkinId();
069        }
070        
071        StringBuilder sb = new StringBuilder(request.getContextPath());
072        sb.append("/skins/")
073            .append(skinName)
074            .append("/resources")
075            .append(path.startsWith("/") ? path : "/" + path);
076        
077        SassString url = new SassString("url(\"" + sb.toString() + "\")", false);
078        return url;
079    }
080}