/* | |
* 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 javax.faces.component.NamingContainer; | |
import javax.faces.component.UIOutput; | |
import javax.faces.component.html.HtmlOutputLabel; | |
import javax.faces.component.visit.VisitCallback; | |
import javax.faces.component.visit.VisitContext; | |
import javax.faces.context.FacesContext; | |
import org.apache.empire.commons.ObjectUtils; | |
import org.apache.empire.data.DataType; | |
import org.apache.empire.jsf2.utils.TagEncodingHelper; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
public class LabelTag extends UIOutput implements NamingContainer | |
{ | |
// Logger | |
private static final Logger log = LoggerFactory.getLogger(LabelTag.class); | |
protected final TagEncodingHelper helper = new TagEncodingHelper(this, "eLabel"); | |
private boolean creatingComponents = false; | |
public LabelTag() | |
{ | |
log.trace("component LabelTag created"); | |
} | |
@Override | |
public String getFamily() | |
{ | |
return "javax.faces.NamingContainer"; | |
} | |
/** | |
* remember original clientId | |
* necessary only inside UIData | |
*/ | |
private String treeClientId = null; | |
@Override | |
public boolean visitTree(VisitContext visitContext, VisitCallback callback) | |
{ | |
FacesContext context = visitContext.getFacesContext(); | |
treeClientId = this.getClientId(context); | |
return super.visitTree(visitContext, callback); | |
} | |
@Override | |
public String getClientId(FacesContext context) | |
{ | |
// Check if dynamic components are being created | |
if (this.treeClientId!=null && this.creatingComponents) | |
{ // return the original tree client id | |
return treeClientId; | |
} | |
// default behavior | |
return super.getClientId(context); | |
} | |
@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); | |
// render components | |
HtmlOutputLabel labelComponent = null; | |
if (getChildCount() > 0) | |
{ | |
labelComponent = (HtmlOutputLabel) getChildren().get(0); | |
// update | |
String forInput = helper.getTagAttributeString("for"); | |
helper.updateLabelComponent(context, labelComponent, forInput); | |
} | |
if (labelComponent == null) | |
{ try { | |
creatingComponents = true; | |
String forInput = helper.getTagAttributeString("for"); | |
String styleClass = helper.getTagStyleClass(DataType.UNKNOWN, null); | |
String style = helper.getTagAttributeString("style"); | |
// createLabelComponent | |
labelComponent = helper.createLabelComponent(context, forInput, styleClass, style, getColon()); | |
this.getChildren().add(labelComponent); | |
helper.resetComponentId(labelComponent); | |
} finally { | |
creatingComponents = false; | |
} | |
} | |
// render components | |
labelComponent.encodeAll(context); | |
} | |
protected boolean getColon() | |
{ | |
Object colon = getAttributes().get("colon"); | |
if (colon!=null) | |
return ObjectUtils.getBoolean(colon); | |
// See if we have a record parent | |
return true; | |
} | |
/* | |
protected boolean isRequired(Column column) | |
{ | |
Object required = getAttributes().get("required"); | |
if (required!=null) | |
return ObjectUtils.getBoolean(required); | |
// See if we have a record parent | |
if (helper.isReadOnly()) | |
return false; | |
// Required | |
return column.isRequired(); | |
} | |
*/ | |
} |