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;
024
025import org.ametys.plugins.core.ui.resources.css.sass.AbstractAmetysSASSFunctionsProvider;
026import org.ametys.web.WebHelper;
027import org.ametys.web.repository.site.Site;
028import org.ametys.web.repository.site.SiteManager;
029
030import io.bit3.jsass.annotation.Name;
031import io.bit3.jsass.type.SassString;
032
033/**
034 * This helper provides function that will be directly injected into Sass file compilation. 
035 * 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
036 */
037public class AmetysSassFunctionsProvider extends AbstractAmetysSASSFunctionsProvider implements Serviceable
038{
039    private SiteManager _siteManager;
040
041    public void service(ServiceManager manager) throws ServiceException
042    {
043        _siteManager = (SiteManager) manager.lookup(SiteManager.ROLE);
044    }
045    
046    /**
047     * Resolve url path inside the current skin
048     * @param path the path relative to the current skin
049     * @return the absolute path
050     */
051    public SassString skinUrl(@Name("path") String path)
052    {
053        Request request = ContextHelper.getRequest(_context);
054        String skinName = (String) request.getAttribute("skin");
055        
056        if (StringUtils.isBlank(skinName))
057        {
058            String siteName = WebHelper.getSiteName(request);
059            Site site = _siteManager.getSite(siteName);
060            skinName = site.getSkinId();
061        }
062        
063        StringBuilder sb = new StringBuilder(request.getContextPath());
064        sb.append("/skins/")
065            .append(skinName)
066            .append("/resources")
067            .append(path.startsWith("/") ? path : "/" + path);
068        
069        SassString url = new SassString("url(\"" + sb.toString() + "\")", false);
070        return url;
071    }
072}