/*
* Copyright 2009 Prime Technology.
*
* 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.
*/
package org.primefaces.component.themeswitcher;
import javax.faces.component.UIComponentBase;
import javax.faces.context.FacesContext;
import javax.el.ValueExpression;
import javax.el.MethodExpression;
import javax.faces.render.Renderer;
import java.io.IOException;
import org.primefaces.renderkit.PartialRenderer;
import org.primefaces.component.resource.Resource;
import javax.faces.component.UIComponent;
import javax.faces.event.ListenerFor;
import javax.faces.event.PostAddToViewEvent;
import javax.faces.event.ComponentSystemEvent;
import javax.faces.event.AbortProcessingException;
import java.util.List;
import java.util.ArrayList;
@ListenerFor(systemEventClass = PostAddToViewEvent.class)
public class ThemeSwitcher extends UIComponentBase {
public static final String COMPONENT_TYPE = "org.primefaces.component.ThemeSwitcher";
public static final String COMPONENT_FAMILY = "org.primefaces.component";
private static final String DEFAULT_RENDERER = "org.primefaces.component.ThemeSwitcherRenderer";
private static final String OPTIMIZED_PACKAGE = "org.primefaces.component.";
protected enum PropertyKeys {
theme
,width
,height
,buttonHeight
,initialText
,buttonPreText;
String toString;
PropertyKeys(String toString) {
this.toString = toString;
}
PropertyKeys() {}
public String toString() {
return ((this.toString != null) ? this.toString : super.toString());
}
}
public ThemeSwitcher() {
setRendererType(DEFAULT_RENDERER);
}
public String getFamily() {
return COMPONENT_FAMILY;
}
public java.lang.String getTheme() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.theme, null);
}
public void setTheme(java.lang.String _theme) {
getStateHelper().put(PropertyKeys.theme, _theme);
handleAttribute("theme", _theme);
}
public int getWidth() {
return (java.lang.Integer) getStateHelper().eval(PropertyKeys.width, 150);
}
public void setWidth(int _width) {
getStateHelper().put(PropertyKeys.width, _width);
handleAttribute("width", _width);
}
public int getHeight() {
return (java.lang.Integer) getStateHelper().eval(PropertyKeys.height, 200);
}
public void setHeight(int _height) {
getStateHelper().put(PropertyKeys.height, _height);
handleAttribute("height", _height);
}
public int getButtonHeight() {
return (java.lang.Integer) getStateHelper().eval(PropertyKeys.buttonHeight, 14);
}
public void setButtonHeight(int _buttonHeight) {
getStateHelper().put(PropertyKeys.buttonHeight, _buttonHeight);
handleAttribute("buttonHeight", _buttonHeight);
}
public java.lang.String getInitialText() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.initialText, null);
}
public void setInitialText(java.lang.String _initialText) {
getStateHelper().put(PropertyKeys.initialText, _initialText);
handleAttribute("initialText", _initialText);
}
public java.lang.String getButtonPreText() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.buttonPreText, null);
}
public void setButtonPreText(java.lang.String _buttonPreText) {
getStateHelper().put(PropertyKeys.buttonPreText, _buttonPreText);
handleAttribute("buttonPreText", _buttonPreText);
}
protected FacesContext getFacesContext() {
return FacesContext.getCurrentInstance();
}
public boolean resourceExists(FacesContext facesContext, String name) {
java.util.List<UIComponent> resources = facesContext.getViewRoot().getComponentResources(facesContext, "head");
for(UIComponent component : resources) {
String value = component.toString();
if(value != null && value.equals(name))
return true;
}
return false;
}
@Override
public void processEvent(ComponentSystemEvent event) throws AbortProcessingException {
FacesContext facesContext = getFacesContext();
javax.faces.component.UIViewRoot viewroot = facesContext.getViewRoot();
Resource resource = null;
if(!resourceExists(facesContext, "/jquery/jquery.js")) {
resource = (Resource) facesContext.getApplication().createComponent("org.primefaces.component.Resource");
resource.setName("/jquery/jquery.js");
viewroot.addComponentResource(facesContext, resource, "head");
}
if(!resourceExists(facesContext, "/jquery/plugins/themeswitcher/themeswitcher.js")) {
resource = (Resource) facesContext.getApplication().createComponent("org.primefaces.component.Resource");
resource.setName("/jquery/plugins/themeswitcher/themeswitcher.js");
viewroot.addComponentResource(facesContext, resource, "head");
}
if(!resourceExists(facesContext, "/primefaces/core/core.js")) {
resource = (Resource) facesContext.getApplication().createComponent("org.primefaces.component.Resource");
resource.setName("/primefaces/core/core.js");
viewroot.addComponentResource(facesContext, resource, "head");
}
}
public void handleAttribute(String name, Object value) {
List<String> setAttributes = (List<String>) this.getAttributes().get("javax.faces.component.UIComponentBase.attributesThatAreSet");
if(setAttributes == null) {
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) {
if(value == null) {
ValueExpression ve = getValueExpression(name);
if(ve == null) {
setAttributes.remove(name);
} else if(!setAttributes.contains(name)) {
setAttributes.add(name);
}
}
}
}
}