| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cocoon.woody.formmodel; |
| |
| import java.util.Locale; |
| import java.util.Iterator; |
| import org.apache.cocoon.woody.Constants; |
| import org.apache.cocoon.woody.FormContext; |
| import org.apache.cocoon.xml.AttributesImpl; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * A general-purpose abstract Widget which can hold zero or more widgets. |
| * |
| * @author Timothy Larson |
| * @version $Id$ |
| */ |
| public abstract class AbstractContainerWidget extends AbstractWidget implements ContainerWidget { |
| protected ContainerDelegate widgets; |
| |
| public AbstractContainerWidget(AbstractWidgetDefinition definition) { |
| setDefinition(definition); |
| setLocation(definition.getLocation()); |
| widgets = new ContainerDelegate(definition); |
| } |
| |
| public void addWidget(Widget widget) { |
| widget.setParent(this); |
| widgets.addWidget(widget); |
| } |
| |
| public boolean hasWidget(String id) { |
| return widgets.hasWidget(id); |
| } |
| |
| public Widget getWidget(String id) { |
| return widgets.getWidget(id); |
| } |
| |
| public Iterator getChildren() { |
| return widgets.iterator(); |
| } |
| |
| public void readFromRequest(FormContext formContext) { |
| widgets.readFromRequest(formContext); |
| } |
| |
| public boolean validate(FormContext formContext) { |
| // Validate self only if child widgets are valid |
| if (widgets.validate(formContext)) { |
| return super.validate(formContext); |
| } else { |
| return false; |
| } |
| } |
| |
| public void generateSaxFragment(ContentHandler contentHandler, Locale locale, String element) throws SAXException { |
| if (getId() == null || getId().length() == 0) { |
| contentHandler.startElement(Constants.WI_NS, element, Constants.WI_PREFIX_COLON + element, Constants.EMPTY_ATTRS); |
| } else { |
| AttributesImpl attrs = new AttributesImpl(); |
| attrs.addCDATAAttribute("id", getFullyQualifiedId()); |
| contentHandler.startElement(Constants.WI_NS, element, Constants.WI_PREFIX_COLON + element, attrs); |
| } |
| if (definition != null) |
| definition.generateDisplayData(contentHandler); |
| // The child widgets |
| widgets.generateSaxFragment(contentHandler, locale); |
| contentHandler.endElement(Constants.WI_NS, element, Constants.WI_PREFIX_COLON + element); |
| } |
| } |