/*
ItsNat Java Web Application Framework
Copyright (C) 2007-2011 Jose Maria Arranz Santamaria, Spanish citizen
This software is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 3 of
the License, or (at your option) any later version.
This software 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 program.
If not, see <http://www.gnu.org/licenses/>.
*/
package org.itsnat.impl.comp;
import org.itsnat.comp.ItsNatHTMLForm;
import org.itsnat.comp.ItsNatHTMLFormComponent;
import org.itsnat.core.ClientDocument;
import org.itsnat.core.NameValue;
import org.itsnat.core.event.ItsNatEvent;
import org.itsnat.impl.comp.listener.ItsNatCompDOMListenersByClientDefaultImpl;
import org.itsnat.impl.comp.listener.ItsNatCompDOMListenersByClientImpl;
import org.itsnat.impl.comp.listener.ItsNatCompDOMListenersByDocDefaultImpl;
import org.itsnat.impl.comp.listener.ItsNatCompDOMListenersByDocImpl;
import org.itsnat.impl.comp.mgr.ItsNatStfulDocComponentManagerImpl;
import org.itsnat.impl.core.clientdoc.ClientDocumentImpl;
import org.itsnat.impl.core.servlet.ItsNatServletRequestImpl;
import org.w3c.dom.events.EventListener;
import org.w3c.dom.html.HTMLElement;
import org.w3c.dom.html.HTMLFormElement;
/**
*
* @author jmarranz
*/
public abstract class ItsNatHTMLFormComponentImpl extends ItsNatHTMLElementComponentImpl implements ItsNatHTMLFormComponent,EventListener
{
protected ItsNatHTMLForm formComp;
protected boolean uiEnabled = true; // Lo usan los componentes que pueden ser "markup driven"
protected boolean serverUpdatingFromClient = false;
/**
* Creates a new instance of ItsNatHTMLFormComponentImpl
*/
public ItsNatHTMLFormComponentImpl(HTMLElement element,NameValue[] artifacts,ItsNatStfulDocComponentManagerImpl componentMgr)
{
super(element,artifacts,componentMgr);
}
public ItsNatCompDOMListenersByDocImpl createItsNatCompDOMListenersByDoc()
{
return new ItsNatCompDOMListenersByDocDefaultImpl(this);
}
public ItsNatCompDOMListenersByClientImpl createItsNatCompDOMListenersByClient(ClientDocumentImpl clientDoc)
{
return new ItsNatCompDOMListenersByClientDefaultImpl(this,clientDoc);
}
public boolean isServerUpdatingFromClient()
{
return serverUpdatingFromClient;
}
public void setServerUpdatingFromClient(boolean serverUpdatingFromClient)
{
this.serverUpdatingFromClient = serverUpdatingFromClient;
}
public boolean isUIEnabled()
{
return uiEnabled;
}
public void setUIEnabled(boolean uiEnabled)
{
this.uiEnabled = uiEnabled;
}
public abstract HTMLFormElement getHTMLFormElement();
public ItsNatHTMLForm getItsNatHTMLForm()
{
HTMLFormElement formElem = getHTMLFormElement(); // puede ser null (el elemento puede no estar dentro de un <form>
if (formElem == null)
return null;
if ((formComp == null)||(formComp.getHTMLFormElement() != formElem))
{
ItsNatStfulDocComponentManagerImpl componentMgr = getItsNatStfulDocComponentManager();
this.formComp = componentMgr.getItsNatHTMLForm(formElem);
}
return formComp;
}
public boolean disableSendCodeToRequesterIfServerUpdating()
{
if (isServerUpdatingFromClient())
{
ItsNatEvent evt = (ItsNatEvent)getCurrentEventProcessing();
ItsNatServletRequestImpl itsNatRequest = (ItsNatServletRequestImpl)evt.getItsNatServletRequest();
ClientDocument clientDoc = itsNatRequest.getClientDocument();
if (clientDoc.isSendCodeEnabled())
{
// Desactiva el cliente actual, pero los dem�s no, normalmente los de control remoto
// Normalmente usamos esto para evitar volver a enviar datos al cliente principal (por cambio del DOM)
// cuando dichos datos seguramente vienen del cliente, pero esto no impide
// que a los dem�s clientes les llegue.
clientDoc.disableSendCode(); // Desactivamos, ser� temporal
return true; // Hemos desactivado, es el recordatorio de que debemos activar de nuevo porque estaba activo (para restaurar el estado)
}
}
return false;
}
public void enableSendCodeToRequester()
{
ItsNatEvent evt = (ItsNatEvent)getCurrentEventProcessing();
ItsNatServletRequestImpl itsNatRequest = (ItsNatServletRequestImpl)evt.getItsNatServletRequest();
ClientDocument requester = itsNatRequest.getClientDocument();
requester.enableSendCode(); // Restauramos como estaba
}
}