/**
* 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.dashboard.webui.component;
import org.exoplatform.application.gadget.Gadget;
import org.exoplatform.application.gadget.GadgetRegistryService;
import org.exoplatform.portal.config.model.TransientApplicationState;
import org.exoplatform.portal.webui.application.GadgetUtil;
import org.exoplatform.portal.webui.application.UIGadget;
import org.exoplatform.services.rss.parser.DefaultRSSChannel;
import org.exoplatform.services.rss.parser.DefaultRSSItem;
import org.exoplatform.services.rss.parser.RSSDocument;
import org.exoplatform.services.rss.parser.RSSParser;
import org.exoplatform.web.application.ApplicationMessage;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.config.annotation.EventConfig;
import org.exoplatform.webui.core.UIApplication;
import org.exoplatform.webui.core.lifecycle.UIFormLifecycle;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.EventListener;
import org.exoplatform.webui.form.UIForm;
import org.exoplatform.webui.form.UIFormStringInput;
import org.exoplatform.webui.form.validator.URLValidator;
import java.net.URI;
/**
* Created by The eXo Platform SAS
* Oct 15, 2008
*/
@ComponentConfig(lifecycle = UIFormLifecycle.class, template = "classpath:groovy/dashboard/webui/component/UIAddGadgetForm.gtmpl", events = @EventConfig(listeners = UIAddGadgetForm.AddGadgetByUrlActionListener.class))
public class UIAddGadgetForm extends UIForm
{
public static String FIELD_URL = "url";
public UIAddGadgetForm() throws Exception
{
addUIFormInput(new UIFormStringInput(FIELD_URL, FIELD_URL, null));
}
static public class AddGadgetByUrlActionListener extends EventListener<UIAddGadgetForm>
{
public void execute(final Event<UIAddGadgetForm> event) throws Exception
{
WebuiRequestContext context = event.getRequestContext();
UIAddGadgetForm uiForm = event.getSource();
UIDashboard uiDashboard = uiForm.getAncestorOfType(UIDashboard.class);
UIDashboardContainer uiContainer = uiDashboard.getChild(UIDashboardContainer.class);
GadgetRegistryService service = uiForm.getApplicationComponent(GadgetRegistryService.class);
String url = uiForm.getUIStringInput(FIELD_URL).getValue();
UIApplication uiApplication = context.getUIApplication();
if (url == null || url.trim().length() == 0)
{
uiApplication.addMessage(new ApplicationMessage("UIDashboard.msg.required", null));
return;
}
url = url.trim();
if (!url.matches(URLValidator.URL_REGEX))
{
uiApplication.addMessage(new ApplicationMessage("UIDashboard.msg.notUrl", null));
return;
}
Gadget gadget;
UIGadget uiGadget;
//TODO check the way we create the unique ID, is it really unique?
try
{
String name = "gadget" + url.hashCode();
gadget = GadgetUtil.toGadget(name, url, false);
service.saveGadget(gadget);
uiGadget = uiForm.createUIComponent(context, UIGadget.class, null, null);
uiGadget.setState(new TransientApplicationState<org.exoplatform.portal.pom.spi.gadget.Gadget>(gadget.getName()));
}
catch (Exception e)
{
try
{
URI uri = URI.create(url);
RSSParser parser = new RSSParser();
RSSDocument<DefaultRSSChannel, DefaultRSSItem> doc = parser.createDocument(uri, "UTF-8");
if (doc == null)
throw new Exception("Wrong url");
}
catch (Exception e1)
{
uiApplication.addMessage(new ApplicationMessage("UIDashboard.msg.notUrl", null));
return;
}
String aggregatorId = uiDashboard.getAggregatorId();
gadget = service.getGadget(aggregatorId);
//TODO make sure it's an rss feed
// TODO make sure that we did not add it already
uiGadget = uiForm.createUIComponent(context, UIGadget.class, null, null);
uiGadget.setState(new TransientApplicationState<org.exoplatform.portal.pom.spi.gadget.Gadget>(gadget.getName()));
String params = "{'rssurl':'" + url + "'}";
// Julien : I commented those 2 lines
// we need to save the same way it is done in the UIGadget clas
// UserGadgetStorage userGadgetStorage = uiForm.getApplicationComponent(UserGadgetStorage.class);
// userGadgetStorage.save(Util.getPortalRequestContext().getRemoteUser(), gadget.getName(), "" + url.hashCode(), UIGadget.PREF_KEY, params);
}
uiContainer.addUIGadget(uiGadget, 0, 0);
uiContainer.save();
uiForm.reset();
context.addUIComponentToUpdateByAjax(uiForm);
context.addUIComponentToUpdateByAjax(uiContainer);
}
}
}