/**
* Copyright (C) 2010-2017 Structr GmbH
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.websocket.command;
import org.structr.common.error.FrameworkException;
import org.structr.core.graph.TransactionCommand;
import org.structr.core.property.PropertyMap;
import org.structr.web.entity.dom.DOMNode;
import org.structr.web.entity.dom.ShadowDocument;
import org.structr.web.entity.dom.Template;
import org.structr.websocket.StructrWebSocket;
import org.structr.websocket.message.MessageBuilder;
import org.structr.websocket.message.WebSocketMessage;
import org.w3c.dom.DOMException;
/**
* Create a shared component as a clone of the source node.
*
* This command will create a SYNC relationship: (source)<-[:SYNC]-(component)
*
*
*/
public class CreateComponentCommand extends AbstractCommand {
static {
StructrWebSocket.addCommand(CreateComponentCommand.class);
}
@Override
public void processMessage(final WebSocketMessage webSocketData) {
String id = webSocketData.getId();
if (id != null) {
final DOMNode node = (DOMNode) getDOMNode(id);
try {
final DOMNode clonedNode = create(node);
TransactionCommand.registerNodeCallback(clonedNode, callback);
} catch (DOMException | FrameworkException ex) {
// send DOM exception
getWebSocket().send(MessageBuilder.status().code(422).message(ex.getMessage()).build(), true);
}
} else {
getWebSocket().send(MessageBuilder.status().code(422).message("Cannot append node without id").build(), true);
}
}
@Override
public String getCommand() {
return "CREATE_COMPONENT";
}
public DOMNode create(final DOMNode node) throws FrameworkException {
final DOMNode clonedNode = (DOMNode) node.cloneNode(false);
// Child nodes of a template must stay in page tree
if (!(clonedNode instanceof Template)) {
moveChildNodes(node, clonedNode);
}
final ShadowDocument hiddenDoc = CreateComponentCommand.getOrCreateHiddenDocument();
clonedNode.setProperties(clonedNode.getSecurityContext(), new PropertyMap(DOMNode.ownerDocument, hiddenDoc));
// Change page (owner document) of all children recursively
for (DOMNode child : DOMNode.getAllChildNodes(clonedNode)) {
child.setProperties(child.getSecurityContext(), new PropertyMap((DOMNode.ownerDocument), hiddenDoc));
}
node.setProperties(node.getSecurityContext(), new PropertyMap(DOMNode.sharedComponent, clonedNode));
return clonedNode;
}
}