/*
* Copyright 2011 PrimeFaces Extensions.
*
* Licensed 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.
*
* $Id: Head.java 533 2011-12-03 14:02:23Z Zoigln@googlemail.com $
*/
package org.primefaces.extensions.component.head;
import java.util.ArrayList;
import java.util.List;
import javax.el.ValueExpression;
import javax.faces.component.UIOutput;
/**
* Component class for the <code>Head</code> component.
*
* @author Thomas Andraschko / last modified by $Author: Zoigln@googlemail.com $
* @version $Revision: 533 $
* @since 0.2
*/
public class Head extends UIOutput {
public static final String COMPONENT_FAMILY = "org.primefaces.extensions.component";
private static final String DEFAULT_RENDERER = "org.primefaces.extensions.component.HeadRenderer";
private static final String OPTIMIZED_PACKAGE = "org.primefaces.extensions.component.";
/**
* Properties that are tracked by state saving.
*
* @author Thomas Andraschko / last modified by $Author: Zoigln@googlemail.com $
* @version $Revision: 533 $
*/
protected enum PropertyKeys {
title,
shortcutIcon;
private String toString;
PropertyKeys(final String toString) {
this.toString = toString;
}
PropertyKeys() {
}
@Override
public String toString() {
return ((this.toString != null) ? this.toString : super.toString());
}
}
public Head() {
setRendererType(DEFAULT_RENDERER);
}
@Override
public String getFamily() {
return COMPONENT_FAMILY;
}
public String getTitle() {
return (String) getStateHelper().eval(PropertyKeys.title, null);
}
public void setTitle(final String title) {
setAttribute(PropertyKeys.title, title);
}
public String getShortcutIcon() {
return (String) getStateHelper().eval(PropertyKeys.shortcutIcon, null);
}
public void setShortcutIcon(final String shortcutIcon) {
setAttribute(PropertyKeys.shortcutIcon, shortcutIcon);
}
@SuppressWarnings("unchecked")
public void setAttribute(final PropertyKeys property, final Object value) {
getStateHelper().put(property, value);
List<String> setAttributes = (List<String>) this.getAttributes().get(
"javax.faces.component.UIComponentBase.attributesThatAreSet");
if (setAttributes == null) {
final String cname = this.getClass().getName();
if (cname != null && cname.startsWith(OPTIMIZED_PACKAGE)) {
setAttributes = new ArrayList<String>(6);
this.getAttributes().put("javax.faces.component.UIComponentBase.attributesThatAreSet", setAttributes);
}
}
if (setAttributes != null && value == null) {
final String attributeName = property.toString();
final ValueExpression ve = getValueExpression(attributeName);
if (ve == null) {
setAttributes.remove(attributeName);
} else if (!setAttributes.contains(attributeName)) {
setAttributes.add(attributeName);
}
}
}
}