1 /** 2 * This file Copyright (c) 2019 Magnolia International 3 * Ltd. (http://www.magnolia-cms.com). All rights reserved. 4 * 5 * 6 * This file is dual-licensed under both the Magnolia 7 * Network Agreement and the GNU General Public License. 8 * You may elect to use one or the other of these licenses. 9 * 10 * This file is distributed in the hope that it will be 11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the 12 * implied warranty of MERCHANTABILITY or FITNESS FOR A 13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. 14 * Redistribution, except as permitted by whichever of the GPL 15 * or MNA you select, is prohibited. 16 * 17 * 1. For the GPL license (GPL), you can redistribute and/or 18 * modify this file under the terms of the GNU General 19 * Public License, Version 3, as published by the Free Software 20 * Foundation. You should have received a copy of the GNU 21 * General Public License, Version 3 along with this program; 22 * if not, write to the Free Software Foundation, Inc., 51 23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 24 * 25 * 2. For the Magnolia Network Agreement (MNA), this file 26 * and the accompanying materials are made available under the 27 * terms of the MNA which accompanies this distribution, and 28 * is available at http://www.magnolia-cms.com/mna.html 29 * 30 * Any modifications to this file must keep this entire header 31 * intact. 32 * 33 */ 34 package info.magnolia.pages.app.action.browser; 35 36 import info.magnolia.objectfactory.ComponentProvider; 37 import info.magnolia.ui.api.action.ActionExecutionException; 38 import info.magnolia.ui.availability.AvailabilityChecker; 39 import info.magnolia.ui.contentapp.action.ChainedAction; 40 import info.magnolia.ui.contentapp.action.ChainedActionDefinition; 41 import info.magnolia.ui.ValueContext; 42 43 import java.util.Optional; 44 import java.util.Set; 45 46 import javax.inject.Inject; 47 import javax.jcr.Node; 48 49 /** 50 * A chained action for creating page. 51 */ 52 public class CreatePageChainedAction extends ChainedAction<Node> { 53 54 @Inject 55 public CreatePageChainedAction(ChainedActionDefinition actionDefinition, ComponentProvider componentProvider, ValueContext<Node> valueContext, AvailabilityChecker<Node> availabilityChecker) { 56 super(actionDefinition, componentProvider, valueContext, availabilityChecker); 57 } 58 59 @Override 60 public void execute() throws ActionExecutionException { 61 Set<String> actions = getDefinition().getActions().keySet(); 62 for (String action : actions) { 63 Optional<Node> oldPageMaybe = getValueContext().getSingle(); 64 super.execute(action); 65 Node newPage = getValueContext().getSingleOrThrow(); 66 67 // If the value context did not change, no new page was created 68 // by the CreatePageAction (first action in the chain) 69 if (oldPageMaybe.map(oldPage -> oldPage.equals(newPage)).orElse(false)) { 70 break; 71 } 72 } 73 } 74 }