| /* |
| * 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.Iterator; |
| |
| import org.apache.cocoon.woody.Constants; |
| import org.apache.cocoon.woody.datatype.Datatype; |
| import org.apache.cocoon.woody.event.ValueChangedListener; |
| import org.apache.cocoon.woody.util.DomHelper; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Builds {FieldDefinition}s. |
| * |
| * @version $Id$ |
| */ |
| public class FieldDefinitionBuilder extends AbstractDatatypeWidgetDefinitionBuilder { |
| |
| public WidgetDefinition buildWidgetDefinition(Element widgetElement) throws Exception { |
| FieldDefinition fieldDefinition = new FieldDefinition(); |
| buildWidgetDefinition(fieldDefinition, widgetElement); |
| return fieldDefinition; |
| } |
| |
| protected void buildWidgetDefinition(FieldDefinition fieldDefinition, Element widgetElement) throws Exception { |
| setLocation(widgetElement, fieldDefinition); |
| setId(widgetElement, fieldDefinition); |
| |
| Element datatypeElement = DomHelper.getChildElement(widgetElement, Constants.WD_NS, "datatype"); |
| if (datatypeElement == null) { |
| throw new Exception("A nested datatype element is required for the widget at " + |
| DomHelper.getLocation(widgetElement)); |
| } |
| |
| Datatype datatype = datatypeManager.createDatatype(datatypeElement, false); |
| fieldDefinition.setDatatype(datatype); |
| |
| buildSelectionList(widgetElement, fieldDefinition); |
| |
| Iterator iter = buildEventListeners(widgetElement, "on-value-changed", ValueChangedListener.class).iterator(); |
| while (iter.hasNext()) { |
| fieldDefinition.addValueChangedListener((ValueChangedListener)iter.next()); |
| } |
| |
| setDisplayData(widgetElement, fieldDefinition); |
| setValidators(widgetElement, fieldDefinition); |
| |
| boolean required = DomHelper.getAttributeAsBoolean(widgetElement, "required", false); |
| fieldDefinition.setRequired(required); |
| } |
| } |