| /* |
| * 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.struts2.components; |
| |
| import java.io.Writer; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.struts2.views.annotations.StrutsTag; |
| import org.apache.struts2.views.annotations.StrutsTagAttribute; |
| |
| import com.opensymphony.xwork2.inject.Container; |
| import com.opensymphony.xwork2.inject.Inject; |
| import com.opensymphony.xwork2.util.ValueStack; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.LogManager; |
| |
| /** |
| * <!-- START SNIPPET: javadoc --> |
| * <p> |
| * Create a optgroup component which needs to resides within a select tag. |
| * </p> |
| * <!-- END SNIPPET: javadoc --> |
| * |
| * <!-- START SNIPPET: notice --> |
| * <p> |
| * This component is to be used within a Select component. |
| * </p> |
| * |
| * <!-- END SNIPPET: notice --> |
| * |
| * <pre> |
| * <!-- START SNIPPET: example --> |
| * |
| * <s:select label="My Selection" |
| * name="mySelection" |
| * value="%{'POPEYE'}" |
| * list="%{#{'SUPERMAN':'Superman', 'SPIDERMAN':'spiderman'}}"> |
| * <s:optgroup label="Adult" |
| * list="%{#{'SOUTH_PARK':'South Park'}}" /> |
| * <s:optgroup label="Japanese" |
| * list="%{#{'POKEMON':'pokemon','DIGIMON':'digimon','SAILORMOON':'Sailormoon'}}" /> |
| * </s:select> |
| * |
| * <!-- END SNIPPET: example --> |
| * </pre> |
| * |
| */ |
| @StrutsTag( |
| name="optgroup", |
| tldTagClass="org.apache.struts2.views.jsp.ui.OptGroupTag", |
| description="Renders a Select Tag's OptGroup Tag") |
| public class OptGroup extends Component { |
| |
| public static final String INTERNAL_LIST_UI_BEAN_LIST_PARAMETER_KEY = "optGroupInternalListUiBeanList"; |
| |
| private static Logger LOG = LogManager.getLogger(OptGroup.class); |
| |
| protected HttpServletRequest req; |
| protected HttpServletResponse res; |
| |
| protected ListUIBean internalUiBean; |
| |
| public OptGroup(ValueStack stack, HttpServletRequest req, HttpServletResponse res) { |
| super(stack); |
| this.req = req; |
| this.res = res; |
| internalUiBean = new ListUIBean(stack, req, res) { |
| protected String getDefaultTemplate() { |
| return "empty"; |
| } |
| }; |
| } |
| |
| @Inject |
| public void setContainer(Container container) { |
| container.inject(internalUiBean); |
| } |
| |
| public boolean end(Writer writer, String body) { |
| Select select = (Select) findAncestor(Select.class); |
| if (select == null) { |
| LOG.error("incorrect use of OptGroup component, this component must be used within a Select component", |
| new IllegalStateException("incorrect use of OptGroup component, this component must be used within a Select component")); |
| return false; |
| } |
| internalUiBean.start(writer); |
| internalUiBean.end(writer, body); |
| |
| List listUiBeans = (List) select.getParameters().get(INTERNAL_LIST_UI_BEAN_LIST_PARAMETER_KEY); |
| if (listUiBeans == null) { |
| listUiBeans = new ArrayList(); |
| } |
| listUiBeans.add(internalUiBean); |
| select.addParameter(INTERNAL_LIST_UI_BEAN_LIST_PARAMETER_KEY, listUiBeans); |
| |
| return false; |
| } |
| |
| @StrutsTagAttribute(description="Set the label attribute") |
| public void setLabel(String label) { |
| internalUiBean.setLabel(label); |
| } |
| |
| @StrutsTagAttribute(description="Set the disable attribute.") |
| public void setDisabled(String disabled) { |
| internalUiBean.setDisabled(disabled); |
| } |
| |
| @StrutsTagAttribute(description="Set the list attribute.") |
| public void setList(Object list) { |
| internalUiBean.setList(list); |
| } |
| |
| @StrutsTagAttribute(description="Set the listKey attribute.") |
| public void setListKey(String listKey) { |
| internalUiBean.setListKey(listKey); |
| } |
| |
| @StrutsTagAttribute(description="Set the listValue attribute.") |
| public void setListValue(String listValue) { |
| internalUiBean.setListValue(listValue); |
| } |
| |
| @StrutsTagAttribute(description = "Property of list objects to get css class from") |
| public void setListCssClass(String listCssClass) { |
| internalUiBean.setListCssClass(listCssClass); |
| } |
| |
| @StrutsTagAttribute(description = "Property of list objects to get css style from") |
| public void setListCssStyle(String listCssStyle) { |
| internalUiBean.setListCssStyle(listCssStyle); |
| } |
| |
| @StrutsTagAttribute(description = "Property of list objects to get title from") |
| public void setListTitle(String listTitle) { |
| internalUiBean.setListTitle(listTitle); |
| } |
| } |