73 lines
2.3 KiB
Java
73 lines
2.3 KiB
Java
package org.gcube.portlets.user.newsfeed.client;
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import org.gcube.portal.databook.shared.ClientFeed;
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import org.gcube.portal.databook.shared.ClientFeed.ClientFeedJsonizer;
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import org.gcube.portlets.user.newsfeed.client.event.PageBusEvents;
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import org.gcube.portlets.user.newsfeed.client.panels.NewsFeedPanel;
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import org.jsonmaker.gwt.client.Jsonizer;
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import org.jsonmaker.gwt.client.base.Defaults;
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import com.google.gwt.core.client.EntryPoint;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.user.client.ui.RootPanel;
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import net.eliasbalasis.tibcopagebus4gwt.client.PageBusAdapter;
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import net.eliasbalasis.tibcopagebus4gwt.client.PageBusAdapterException;
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import net.eliasbalasis.tibcopagebus4gwt.client.PageBusEvent;
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import net.eliasbalasis.tibcopagebus4gwt.client.PageBusListener;
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/**
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* Entry point classes define <code>onModuleLoad()</code>.
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*/
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public class NewsFeed implements EntryPoint {
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private final String UNIQUE_DIV = "newsfeedDIV";
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final public static PageBusAdapter pageBusAdapter = new PageBusAdapter();
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NewsFeedPanel mainPanel;
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public void onModuleLoad() {
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init();
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}
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public void init() {
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mainPanel = new NewsFeedPanel();
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RootPanel.get(UNIQUE_DIV).add(mainPanel);
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ClientFeed notification = new ClientFeed();
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//Subscribe to message and associate subsequent receptions with custom subscriber data
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try {
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pageBusAdapter.PageBusSubscribe(PageBusEvents.newPostCreated, null, null, notification, (Jsonizer)GWT.create(ClientFeedJsonizer.class));
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}
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catch (PageBusAdapterException e1) {
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e1.printStackTrace();
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}
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pageBusAdapter.addPageBusSubscriptionCallbackListener(new PageBusListener() {
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@Override
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public void onPageBusSubscriptionCallback(PageBusEvent event) {
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if(event.getSubject().equals(this.getName())){
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// translate JavaScript message contents and subscriber data to their Java equivalents
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try {
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ClientFeed feed = (ClientFeed)event.getMessage((Jsonizer)GWT.create(ClientFeedJsonizer.class));
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mainPanel.addJustAddedFeed(feed);
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// alert the User statistics portlet to increment the number of user's posts
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pageBusAdapter.PageBusPublish(PageBusEvents.postIncrement, "", Defaults.STRING_JSONIZER);
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} catch (PageBusAdapterException e) {
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e.printStackTrace();
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}
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}
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}
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@Override
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public String getName() {
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return PageBusEvents.newPostCreated;
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}
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});
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}
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}
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