/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.ajax4jsf.renderkit;
import java.io.IOException;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.faces.component.UIComponent;
import javax.faces.component.ValueHolder;
import javax.faces.component.html.HtmlCommandButton;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
import org.ajax4jsf.component.AjaxComponent;
import org.ajax4jsf.context.AjaxContext;
import org.ajax4jsf.event.AjaxEvent;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author asmirnov@exadel.com (latest modification by $Author: alexsmirnov $)
* @version $Revision: 1.1.2.3 $ $Date: 2007/02/12 17:46:53 $
*
*/
public abstract class AjaxCommandRendererBase extends AjaxComponentRendererBase {
private static final Log _log = LogFactory
.getLog(AjaxCommandRendererBase.class);
protected void doDecode(FacesContext facesContext, UIComponent uiComponent) {
// super.decode must not be called, because value is handled here
if (isSubmitted(facesContext, uiComponent)) {
ActionEvent event;
event = new ActionEvent(uiComponent);
uiComponent.queueEvent(event);
uiComponent.queueEvent(new AjaxEvent(uiComponent));
// Check areas for processing
if (uiComponent instanceof AjaxComponent) {
AjaxComponent ajaxComponent = (AjaxComponent) uiComponent;
Set<String> toProcess = AjaxRendererUtils.asSet(ajaxComponent
.getProcess());
if (null != toProcess) {
HashSet<String> componentIdsToProcess = new HashSet<String>();
for (String componentId : toProcess) {
UIComponent component = getUtils().findComponentFor(uiComponent, componentId);
if(null != component){
componentIdsToProcess.add(component.getClientId(facesContext));
} else {
componentIdsToProcess.add(componentId);
}
}
AjaxContext.getCurrentInstance(facesContext).setAjaxAreasToProcess(componentIdsToProcess);
}
}
}
}
public String getOnClick(FacesContext context, UIComponent component) {
StringBuffer onClick;
if (!getUtils().isBooleanAttribute(component, "disabled")) {
onClick = AjaxRendererUtils.buildOnClick(component, context);
if (!"reset".equals(component.getAttributes().get("type"))) {
onClick.append(";return false;");
}
} else {
onClick = new StringBuffer("return false;");
}
return onClick.toString();
}
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException {
renderChildren(context, component);
}
public Object getValue(UIComponent uiComponent) {
if (uiComponent instanceof ValueHolder) {
return ((ValueHolder) uiComponent).getValue();
}
return uiComponent.getAttributes().get("value");
}
public String getType(UIComponent uiComponent) {
String type;
if (uiComponent instanceof HtmlCommandButton) {
type = ((HtmlCommandButton) uiComponent).getType();
} else {
type = (String) uiComponent.getAttributes().get("type");
}
if (type == null) {
type = "button";
}
return type;
}
protected boolean isSubmitted(FacesContext facesContext,
UIComponent uiComponent) {
// Componet accept only ajax requests.
if (!AjaxContext.getCurrentInstance(facesContext).isAjaxRequest()) {
return false;
}
if (getUtils().isBooleanAttribute(uiComponent, "disabled")) {
return false;
}
String clientId = uiComponent.getClientId(facesContext);
Map<String, String> paramMap = facesContext.getExternalContext()
.getRequestParameterMap();
Object value = paramMap.get(clientId);
boolean submitted = null != value;
if (submitted && _log.isDebugEnabled()) {
_log.debug("Decode submit of the Ajax component " + clientId);
}
return submitted;
}
}