| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * Licensed 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.datatype; |
| |
| import org.apache.avalon.framework.context.Context; |
| import org.apache.avalon.framework.context.ContextException; |
| import org.apache.avalon.framework.context.Contextualizable; |
| import org.apache.cocoon.woody.util.DomHelper; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Builds a selection list that will take its values from the flow page data. The items list and, |
| * for each item, its value and label, are fetched using JXPath expressions. |
| * <p> |
| * If an item has no label, its value is used as the label. |
| * <p> |
| * Example: |
| * <pre> |
| * <wd:selection-list type="flow-jxpath" |
| * list-path="selectList" value-path="value" label-path="label"/gt; |
| * </pre> |
| * Flow script: |
| * <pre> |
| * var data = { |
| * selectList: [{value:3, label:"three"}, {value:4}] |
| * }; |
| * form.showForm("form.html", data); |
| * </pre> |
| * |
| * @see org.apache.cocoon.woody.datatype.FlowJXPathSelectionList |
| * @author <a href="http://www.apache.org/~sylvain/">Sylvain Wallez</a> |
| * @version CVS $Id: FlowJXPathSelectionListBuilder.java,v 1.2 2004/03/05 13:02:28 bdelacretaz Exp $ |
| */ |
| public class FlowJXPathSelectionListBuilder implements SelectionListBuilder, Contextualizable { |
| |
| private Context context; |
| |
| public void contextualize(Context context) throws ContextException { |
| this.context = context; |
| } |
| |
| public SelectionList build(Element selectionListElement, Datatype datatype) throws Exception { |
| |
| String listPath = DomHelper.getAttribute(selectionListElement, "list-path"); |
| String keyPath = DomHelper.getAttribute(selectionListElement, "value-path"); |
| String valuePath = DomHelper.getAttribute(selectionListElement, "label-path"); |
| |
| return new FlowJXPathSelectionList(context, listPath, keyPath, valuePath, datatype); |
| } |
| |
| } |