package org.apache.myfaces.tobago.internal.taglib.component;
/*
* 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.
*/
import org.apache.myfaces.tobago.apt.annotation.BodyContent;
import org.apache.myfaces.tobago.apt.annotation.Tag;
import org.apache.myfaces.tobago.apt.annotation.TagAttribute;
import org.apache.myfaces.tobago.apt.annotation.TagGeneration;
import org.apache.myfaces.tobago.compat.FacesUtils;
import org.apache.myfaces.tobago.event.PopupActionListener;
import javax.faces.component.ActionSource;
import javax.faces.component.UIComponent;
import javax.faces.webapp.UIComponentTag;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
/*
* Date: Jan 3, 2007
* Time: 10:42:11 PM
*/
/**
* Register an PopupActionListener instance on the UIComponent
* associated with the closest parent UIComponent.
*/
@Tag(name = "popupReference", bodyContent = BodyContent.EMPTY)
@TagGeneration(className = "org.apache.myfaces.tobago.internal.taglib.PopupReferenceTag")
public abstract class PopupReferenceTag extends TagSupport {
private static final long serialVersionUID = -8444689365088370011L;
/**
* The id of a Popup.
*/
@TagAttribute(required = true, name ="for")
public abstract String getForValue();
public abstract boolean isForLiteral();
public abstract Object getForAsBindingOrExpression();
public int doStartTag() throws JspException {
// Locate our parent UIComponentTag
UIComponentTag tag =
UIComponentTag.getParentUIComponentTag(pageContext);
if (tag == null) {
// TODO Message resource i18n
throw new JspException("Not nested in faces tag");
}
if (!tag.getCreated()) {
return (SKIP_BODY);
}
UIComponent component = tag.getComponentInstance();
if (component == null) {
// TODO Message resource i18n
throw new JspException("Component Instance is null");
}
if (!(component instanceof ActionSource)) {
// TODO Message resource i18n
throw new JspException("Component " + component.getClass().getName() + " is not instanceof ActionSource");
}
ActionSource actionSource = (ActionSource) component;
if (isForLiteral()) {
actionSource.addActionListener(new PopupActionListener(getForValue()));
} else {
FacesUtils.addBindingOrExpressionPopupActionListener(actionSource, getForAsBindingOrExpression());
}
return (SKIP_BODY);
}
}