/*
* 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.binding;
import org.apache.cocoon.forms.util.DomHelper;
import org.w3c.dom.Element;
/**
* An experimental simple repeater binding that will replace
* (i.e. delete then re-add all) its content.
* Based on SimpleRepeater code.
* <pre>
* <fb:temp-repeater
* id="contacts"
* parent-path="contacts">
* <<em>... child bindings ...</em>>
* </fb:temp-repeater>
* </pre>
*
* @version $Id$
*/
public class TempRepeaterJXPathBindingBuilder extends JXPathBindingBuilderBase {
public JXPathBindingBase buildBinding(Element bindingElem,
JXPathBindingManager.Assistant assistant) throws BindingException {
try {
CommonAttributes commonAtts = JXPathBindingBuilderBase.getCommonAttributes(bindingElem);
String repeaterId = DomHelper.getAttribute(bindingElem, "id", null);
String parentPath = DomHelper.getAttribute(bindingElem, "parent-path", null);
String rowPath = DomHelper.getAttribute(bindingElem, "row-path", null);
String rowPathInsert = DomHelper.getAttribute(bindingElem, "row-path-insert", rowPath);
boolean virtualRows = DomHelper.getAttributeAsBoolean(bindingElem, "virtual-rows", false);
boolean clearOnLoad = DomHelper.getAttributeAsBoolean(bindingElem, "clear-before-load", true);
boolean deleteIfEmpty = DomHelper.getAttributeAsBoolean(bindingElem, "delete-parent-if-empty", false);
JXPathBindingBase[] insertBindings = null;
JXPathBindingBase[] childBindings = null;
// do inheritance
TempRepeaterJXPathBinding otherBinding = (TempRepeaterJXPathBinding) assistant.getContext().getSuperBinding();
if (otherBinding != null) {
childBindings = otherBinding.getChildBindings();
insertBindings = otherBinding.getInsertChildBindings();
commonAtts = JXPathBindingBuilderBase.mergeCommonAttributes(otherBinding.getCommonAtts(), commonAtts);
if (parentPath == null) {
parentPath = otherBinding.getRepeaterPath();
}
if (repeaterId == null) {
repeaterId = otherBinding.getId();
}
if (rowPath == null) {
rowPath = otherBinding.getRowPath();
}
if (rowPathInsert == null) {
rowPathInsert = otherBinding.getRowPathInsert();
}
if (!bindingElem.hasAttribute("virtual-rows")) {
clearOnLoad = otherBinding.getVirtualRows();
}
if (!bindingElem.hasAttribute("clear-before-load")) {
clearOnLoad = otherBinding.getClearOnLoad();
}
if (!bindingElem.hasAttribute("delete-parent-if-empty")) {
deleteIfEmpty = otherBinding.getDeleteIfEmpty();
}
}
Element childWrapElement = DomHelper.getChildElement(bindingElem, BindingManager.NAMESPACE, "on-bind");
childBindings = assistant.makeChildBindings(childWrapElement,childBindings);
Element insertWrapElement = DomHelper.getChildElement(bindingElem, BindingManager.NAMESPACE, "on-insert-row");
if (insertWrapElement != null) {
insertBindings = assistant.makeChildBindings(insertWrapElement,insertBindings);
}
return new TempRepeaterJXPathBinding(commonAtts, repeaterId,
parentPath, rowPath, rowPathInsert, virtualRows,
clearOnLoad, deleteIfEmpty,
new ComposedJXPathBindingBase(
JXPathBindingBuilderBase.CommonAttributes.DEFAULT,
childBindings),
new ComposedJXPathBindingBase(
JXPathBindingBuilderBase.CommonAttributes.DEFAULT,
insertBindings));
} catch (BindingException e) {
throw e;
} catch (Exception e) {
throw new BindingException("Error building temp-repeater binding", e,
DomHelper.getLocationObject(bindingElem));
}
}
}