/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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 2.1 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.portal.webui.workspace;
import java.io.IOException;
import java.io.OutputStream;
import org.exoplatform.commons.utils.PortalPrinter;
import org.exoplatform.portal.application.PortalRequestContext;
import org.exoplatform.resolver.ResourceResolver;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.core.UIComponent;
import org.exoplatform.webui.core.lifecycle.Lifecycle;
import org.exoplatform.webui.core.lifecycle.WebuiBindingContext;
/**
* Created by The eXo Platform SAS May 8, 2006
*/
public class UIPortalApplicationLifecycle extends Lifecycle<UIPortalApplication> {
public void processDecode(UIPortalApplication uicomponent, WebuiRequestContext context) throws Exception {
String componentId = context.getRequestParameter(context.getUIComponentIdParameterName());
if (componentId == null)
return;
UIComponent uiTarget = uicomponent.findComponentById(componentId);
if (uiTarget == null) {
context.addUIComponentToUpdateByAjax(uicomponent.<UIComponent> getChildById(UIPortalApplication.UI_WORKING_WS_ID));
context.addUIComponentToUpdateByAjax(uicomponent.getChild(UIMaskWorkspace.class));
((PortalRequestContext) context).ignoreAJAXUpdateOnPortlets(true);
return;
}
if (uiTarget == uicomponent) {
super.processDecode(uicomponent, context);
} else {
uiTarget.processDecode(context);
}
}
/**
* The processAction() method of the UIPortalApplication is called, as there is no method in the object itself it will call
* the processAction() of the UIPortalApplicationLifecycle bound to the UI component
*
* If no uicomponent object is targeted, which is the case the first time (unless a bookmarked link is used) then nothing is
* done. Otherwise, the targeted component is extracted and a call of its processAction() method is executed.
*
*/
public void processAction(UIPortalApplication uicomponent, WebuiRequestContext context) throws Exception {
String componentId = context.getRequestParameter(context.getUIComponentIdParameterName());
if (componentId == null)
return;
UIComponent uiTarget = uicomponent.findComponentById(componentId);
if (uiTarget == null)
return;
if (uiTarget == uicomponent)
super.processAction(uicomponent, context);
uiTarget.processAction(context);
}
public void processRender(UIPortalApplication uicomponent, WebuiRequestContext context) throws Exception {
/*
* We need to render the child elements of the portal first since portlets can set the markup headers during there
* render call. We cannot render the page in the order of the UIPortalApplication since this will create the headers
* before the portlets are rendered. To get around this we need to render the portlets and UIPortalApplication childrens
* to a separate writer first, then render the UIPortalApplication page as normal, outputting the contents of the
* separate writer where the child elements should be rendered. Its messy but required for portlet markup header
* setting.
*/
PortalRequestContext prc = (PortalRequestContext) context;
OutputStream responseOutputStream = prc.getResponse().getOutputStream();
PortalPrinter parentWriter = new PortalPrinter(responseOutputStream, true, 5000);
PortalPrinter childWriter = new PortalPrinter(responseOutputStream, true, 25000, true);
context.setWriter(childWriter);
processRender(uicomponent, context, "system:/groovy/portal/webui/workspace/UIPortalApplicationChildren.gtmpl");
context.setWriter(parentWriter);
processRender(uicomponent, context, "system:/groovy/portal/webui/workspace/UIPortalApplication.gtmpl");
try {
// flush the parent writer to the output stream so that we are really to accept the child content
parentWriter.flushOutputStream();
// now that the parent has been flushed, we can flush the contents of the child to the output
childWriter.flushOutputStream();
} catch (IOException ioe) {
// We want to ignore the ClientAbortException since this is caused by the users
// browser closing the connection and is not something we should be logging.
if (!ioe.getClass().toString().contains("ClientAbortException")) {
throw ioe;
}
}
}
public void processRender(UIPortalApplication uicomponent, WebuiRequestContext context, String template) throws Exception {
// Fail if we have no template
if (template == null) {
throw new IllegalStateException("uicomponent " + uicomponent + " with class " + uicomponent.getClass().getName()
+ " has no template for rendering");
}
//
ResourceResolver resolver = uicomponent.getTemplateResourceResolver(context, template);
WebuiBindingContext bcontext = new WebuiBindingContext(resolver, context.getWriter(), uicomponent, context);
bcontext.put(UIComponent.UICOMPONENT, uicomponent);
renderTemplate(template, bcontext);
}
}