| /* |
| * 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.forms.formmodel; |
| |
| import java.util.Iterator; |
| |
| import org.apache.cocoon.forms.FormsConstants; |
| import org.apache.cocoon.forms.FormsException; |
| import org.apache.cocoon.forms.event.RepeaterListener; |
| import org.apache.cocoon.forms.util.DomHelper; |
| |
| import org.w3c.dom.Element; |
| |
| /** |
| * Builds {@link RepeaterDefinition}s. |
| * |
| * @version $Id$ |
| */ |
| public final class RepeaterDefinitionBuilder extends AbstractContainerDefinitionBuilder { |
| |
| public WidgetDefinition buildWidgetDefinition(Element repeaterElement, WidgetDefinitionBuilderContext context) |
| throws Exception { |
| |
| int initialSize = DomHelper.getAttributeAsInteger(repeaterElement, "initial-size", 0); |
| int minSize = DomHelper.getAttributeAsInteger(repeaterElement, "min-size", 0); |
| int maxSize = DomHelper.getAttributeAsInteger(repeaterElement, "max-size", Integer.MAX_VALUE); |
| |
| // should throw error on negative values ? Just correct them for now. |
| if (minSize < 0) { |
| throw new FormsException("min-size should be positive.", |
| DomHelper.getLocationObject(repeaterElement)); |
| } |
| |
| if (maxSize < 0) { |
| throw new FormsException("max-size should be positive.", |
| DomHelper.getLocationObject(repeaterElement)); |
| } |
| |
| if (maxSize < minSize) { |
| throw new FormsException("max-size should be greater than or equal to min-size.", |
| DomHelper.getLocationObject(repeaterElement)); |
| } |
| |
| // initial size is at least the min size |
| initialSize = minSize > initialSize ? minSize : initialSize; |
| |
| boolean orderable = DomHelper.getAttributeAsBoolean(repeaterElement, "orderable", false); |
| boolean selectable = DomHelper.getAttributeAsBoolean(repeaterElement, "selectable", false); |
| boolean enhanced = DomHelper.getAttributeAsBoolean(repeaterElement, "enhanced", false); |
| |
| int initialPage = 0; |
| int pageSize = Integer.MAX_VALUE; |
| String customPageId = null; |
| |
| Element pagesElement = DomHelper.getChildElement(repeaterElement, FormsConstants.DEFINITION_NS, "pages"); |
| if (pagesElement!=null) { |
| enhanced = true; |
| initialPage = DomHelper.getAttributeAsInteger(pagesElement, "initial", 1) - 1; |
| pageSize = DomHelper.getAttributeAsInteger(pagesElement, "size", 0); |
| customPageId = DomHelper.getAttribute(pagesElement, "page-field", null); |
| } |
| |
| RepeaterDefinition repeaterDefinition = new RepeaterDefinition(initialSize, minSize, maxSize, selectable, orderable, enhanced, initialPage, pageSize, customPageId); |
| setupDefinition(repeaterElement, repeaterDefinition, context); |
| setDisplayData(repeaterElement, repeaterDefinition); |
| |
| // parse "on-repeater-modified" |
| Iterator i = buildEventListeners(repeaterElement, "on-repeater-modified", RepeaterListener.class).iterator(); |
| while (i.hasNext()) { |
| repeaterDefinition.addRepeaterListener((RepeaterListener) i.next()); |
| } |
| |
| setupContainer(repeaterElement, "widgets", repeaterDefinition, context); |
| |
| repeaterDefinition.makeImmutable(); |
| return repeaterDefinition; |
| } |
| } |