package org.apache.myfaces.tobago.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.BodyContentDescription;
import org.apache.myfaces.tobago.apt.annotation.Tag;
import org.apache.myfaces.tobago.apt.annotation.TagAttribute;
import org.apache.myfaces.tobago.component.ComponentUtil;
import org.apache.myfaces.tobago.component.UIPage;
import org.apache.myfaces.tobago.taglib.decl.HasId;
import javax.faces.context.FacesContext;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.BodyTagSupport;
/**
* Add a style tag.
* Collected bodyContent is rendered as content into a style tag.
*/
@Tag(name = "style", bodyContent = BodyContent.TAGDEPENDENT)
@BodyContentDescription(contentType = "css")
public class StyleTag extends BodyTagSupport implements HasId {
private static final long serialVersionUID = -2201525304632479403L;
private String style;
public int doEndTag() throws JspException {
FacesContext facesContext = FacesContext.getCurrentInstance();
UIPage page = ComponentUtil.findPage(facesContext);
if (page == null) {
throw new JspException("The StyleTag cannot find the UIPage. "
+ "Check you have defined the StyleTag inside of the PageTag!");
}
if (style != null) {
page.getStyleFiles().add(ComponentUtil.getValueFromEl(style));
}
if (bodyContent != null) {
String classes = bodyContent.getString();
bodyContent.clearBody();
page.getStyleBlocks().add(ComponentUtil.getValueFromEl(classes));
}
return EVAL_PAGE;
}
public int doStartTag() throws JspException {
return EVAL_BODY_BUFFERED;
}
public void release() {
super.release();
style = null;
}
public String getStyle() {
return style;
}
/**
* Name of the stylsheet file to add to page.
*/
@TagAttribute
public void setStyle(String style) {
this.style = style;
}
}