001/* 002 * (C) Copyright 2006-2007 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Nuxeo - initial API and implementation 016 * 017 * $Id$ 018 */ 019 020package org.nuxeo.ecm.webapp.action; 021 022import static org.jboss.seam.ScopeType.EVENT; 023import static org.jboss.seam.ScopeType.STATELESS; 024 025import java.io.Serializable; 026 027import javax.faces.context.FacesContext; 028 029import org.jboss.seam.annotations.Factory; 030import org.jboss.seam.annotations.In; 031import org.jboss.seam.annotations.Name; 032import org.jboss.seam.annotations.Scope; 033import org.nuxeo.ecm.core.api.CoreSession; 034import org.nuxeo.ecm.core.api.DocumentModel; 035import org.nuxeo.ecm.core.api.NuxeoPrincipal; 036import org.nuxeo.ecm.platform.actions.ActionContext; 037import org.nuxeo.ecm.platform.actions.jsf.JSFActionContext; 038import org.nuxeo.ecm.platform.actions.seam.SeamActionContext; 039import org.nuxeo.ecm.platform.ui.web.api.NavigationContext; 040import org.nuxeo.ecm.platform.ui.web.util.SeamContextHelper; 041 042@Name("actionContextProvider") 043@Scope(STATELESS) 044public class ActionContextProvider implements Serializable { 045 046 private static final long serialVersionUID = 675765759871L; 047 048 @In(create = true) 049 private transient NavigationContext navigationContext; 050 051 @In(create = true) 052 private transient NuxeoPrincipal currentNuxeoPrincipal; 053 054 @In(create = true, required = false) 055 private transient CoreSession documentManager; 056 057 // XXX AT: sometimes EVENT scope is not enough when changing the current 058 // document several times in the same request. See 059 // WebActionsBean#setCurrentTabAndNavigate hack for instance. 060 @Factory(value = "currentActionContext", scope = EVENT) 061 public ActionContext createActionContext() { 062 return createActionContext(navigationContext.getCurrentDocument()); 063 } 064 065 /** 066 * Returns an action context computed from current core session and current user, and document given as parameter. 067 * <p> 068 * The action context uses the JSF context if available, or fallbacks on a Seam context only (useful for Seam 069 * remoting calls, for instance in contextual menu) 070 * 071 * @since 5.7.3 072 */ 073 public ActionContext createActionContext(DocumentModel document) { 074 ActionContext ctx; 075 FacesContext faces = FacesContext.getCurrentInstance(); 076 if (faces == null) { 077 ctx = new SeamActionContext(); 078 } else { 079 ctx = new JSFActionContext(faces); 080 } 081 ctx.setCurrentDocument(document); 082 ctx.setDocumentManager(documentManager); 083 ctx.setCurrentPrincipal(currentNuxeoPrincipal); 084 ctx.putLocalVariable("SeamContext", new SeamContextHelper()); 085 return ctx; 086 } 087 088}