/*
* 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.empire.jsf2.components;
import java.io.IOException;
import java.util.Map;
import javax.faces.component.UIOutput;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.apache.empire.commons.StringUtils;
import org.apache.empire.data.Column;
import org.apache.empire.exceptions.InvalidArgumentException;
import org.apache.empire.jsf2.utils.TagEncodingHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TitleTag extends UIOutput // implements NamingContainer
{
// Logger
private static final Logger log = LoggerFactory.getLogger(TitleTag.class);
private TagEncodingHelper helper = new TagEncodingHelper(this, "eTitle");
public TitleTag()
{
log.trace("component LabelTag created");
}
@Override
public String getFamily()
{
return "javax.faces.NamingContainer";
}
@Override
public void encodeBegin(FacesContext context)
throws IOException
{
// add label and input components when the view is loaded for the first time
super.encodeBegin(context);
// Create
Column column = helper.getColumn();
if (column==null)
throw new InvalidArgumentException("column", column);
// Tooltip title
String title = helper.getLabelTooltip(column);
// render components
ResponseWriter writer = context.getResponseWriter();
String tag = writeStartElement(title, writer);
renderTitle(column, writer);
if (tag != null)
writer.endElement(tag);
}
/* Helpers */
protected void renderTitle(Column column, ResponseWriter writer) throws IOException
{
String title=StringUtils.toString(getValue());
// Check for short form
if (helper.hasFormat("short"))
{
title = StringUtils.toString(column.getAttribute(TagEncodingHelper.COLATTR_ABBR_TITLE));
if (title==null)
log.warn("No Abbreviation available for column {}. Using normal title.", column.getName());
}
// Use normal title
if (title==null)
title=column.getTitle();
// render now
title = helper.getDisplayText(title);
writer.append((StringUtils.isEmpty(title) ? " " : title));
}
protected String writeStartElement(String title, ResponseWriter writer)
throws IOException
{
Map<String, Object> map = getAttributes();
String tag = StringUtils.toString(map.get("tag"));
// Check
if (tag == null && title == null && !map.containsKey("styleClass"))
return null;
// Write tag
if (StringUtils.isEmpty(tag))
tag="span";
writer.startElement(tag, this);
helper.writeAttribute(writer, "class", helper.getTagStyleClass());
helper.writeAttribute(writer, "style", map.get("style"));
helper.writeAttribute(writer, "title", title);
return tag;
}
}