400 lines
12 KiB
Java
400 lines
12 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.newsfeed.client.templates;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import org.gcube.portal.databook.client.GCubeSocialNetworking;
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import org.gcube.portal.databook.shared.Comment;
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import org.gcube.portal.databook.shared.Feed;
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import org.gcube.portal.databook.shared.UserInfo;
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import org.gcube.portlets.user.newsfeed.client.event.AddLikeEvent;
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import org.gcube.portlets.user.newsfeed.client.event.DeleteCommentEvent;
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import org.gcube.portlets.user.newsfeed.client.event.DeleteFeedEvent;
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import org.gcube.portlets.user.newsfeed.client.event.SeeCommentsEvent;
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import org.gcube.portlets.user.newsfeed.client.event.SeeLikesEvent;
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import org.gcube.portlets.user.newsfeed.client.event.StopTimerEvent;
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import org.gcube.portlets.user.newsfeed.client.panels.NewsFeedPanel;
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import org.gcube.portlets.user.newsfeed.shared.EnhancedFeed;
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import org.gcube.portlets.user.wsmail.client.forms.MailForm;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.core.client.RunAsyncCallback;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.event.dom.client.MouseOutEvent;
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import com.google.gwt.event.dom.client.MouseOverEvent;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.i18n.client.DateTimeFormat;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiField;
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import com.google.gwt.uibinder.client.UiHandler;
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import com.google.gwt.user.client.Timer;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.HTMLPanel;
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import com.google.gwt.user.client.ui.Image;
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import com.google.gwt.user.client.ui.Label;
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import com.google.gwt.user.client.ui.VerticalPanel;
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import com.google.gwt.user.client.ui.Widget;
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/**
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* @author Massimiliano Assante. ISTI-CNR
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*
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*/
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public class TweetTemplate extends Composite {
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private static TweetTemplateUiBinder uiBinder = GWT
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.create(TweetTemplateUiBinder.class);
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interface TweetTemplateUiBinder extends UiBinder<Widget, TweetTemplate> {
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}
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public static final String loading = GWT.getModuleBaseURL() + "../images/loading-comments.gif";
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private static final int MAX_SHOWTEXT_LENGTH = 256;
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private EnhancedFeed myFeed;
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private UserInfo myUserInfo;
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private HandlerManager eventBus;
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private ArrayList<SingleComment> myComments;
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private boolean commentingDisabled = false;
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private boolean commentsFetched = false;
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private int totalComments = 0;
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private HTML showAllComments = new HTML();
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private boolean isAppFeed = false;
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/**
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* tell if this tweet is belonging to the current user
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*/
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private boolean isUsers = false;
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@UiField
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HTML contentArea;
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@UiField
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HTML seeMore;
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@UiField
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HTML timeArea;
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@UiField
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HTML likeArea;
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@UiField
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HTML commentArea;
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@UiField
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HTML messageArea;
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@UiField
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Image avatarImage;
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@UiField
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HTMLPanel mainHTML;
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@UiField
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HTML likesNo;
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@UiField
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HTML commentsNo;
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@UiField
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VerticalPanel commentsPanel;
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@UiField
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HTML closeImage;
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@UiField
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VerticalPanel previewPanel;
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@UiField
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Label messageSeparator;
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/**
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* used when fetching tweets from server
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* @param myUserInfo
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* @param myFeed
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* @param isUsers
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* @param eventBus
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*/
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public TweetTemplate(UserInfo myUserInfo, EnhancedFeed myFeed, HandlerManager eventBus) {
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initWidget(uiBinder.createAndBindUi(this));
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this.myUserInfo = myUserInfo;
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this.myFeed = myFeed;
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isAppFeed = myFeed.getFeed().isApplicationFeed();
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Feed feed = myFeed.getFeed();
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if (feed.getUri() != null && feed.getUri().compareTo("") != 0 && feed.getLinkTitle() != null && feed.getLinkTitle().compareTo("") != 0 ) {
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previewPanel.add(new LinkPreviewer(feed.getLinkTitle(), feed.getLinkDescription(), feed.getLinkHost(), feed.getUriThumbnail(), feed.getUri()));
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}
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this.eventBus = eventBus;
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this.isUsers = myFeed.isUsers();
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myComments = new ArrayList<SingleComment>();
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if (isUsers) {
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closeImage.setStyleName("closeImage");
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closeImage.setTitle("Delete");
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}
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//show if the user has already liked this
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if (myFeed.isLiked()) {
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likeArea.setHTML(NewsFeedPanel.LIKED_LABEL);
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}
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else
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likeArea.setHTML("<a>" + NewsFeedPanel.LIKE_LABEL + "</a>");
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commentArea.setHTML("<a>" + NewsFeedPanel.COMMENT_LABEL + "</a>");
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String feedText = feed.getDescription();
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if ( (! feedText.startsWith("<span")) && feedText.length() > MAX_SHOWTEXT_LENGTH) {
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feedText = feedText.substring(0, MAX_SHOWTEXT_LENGTH) + "...";
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seeMore.setHTML("<a class=\"seemore\"> See More </a>");
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}
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if (! isAppFeed) {
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messageArea.setHTML("<a>" + NewsFeedPanel.MESSAGE_LABEL + "</a>");
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contentArea.setHTML("<a class=\"link\" href=\""+GCubeSocialNetworking.USER_PROFILE_LINK+"\">"+feed.getFullName()+"</a> " + feedText);
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}
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else {
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// messageSeparator.setVisible(false);
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contentArea.setHTML("<a class=\"link\" href=\""+feed.getUri()+"\">"+feed.getFullName()+"</a> " + feedText);
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closeImage.setTitle("Delete this Application feed (Administrator Only)");
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if (isAppFeed) {
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try{
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String vreName = feed.getVreid().substring(feed.getVreid().lastIndexOf("/")+1);
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messageArea.setHTML("<a class=\"link\" href=\""+feed.getUri()+"\"> go App [" +vreName + "]</a>");
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}
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catch (Exception e) {}
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}
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}
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avatarImage.setUrl(feed.getThumbnailURL());
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avatarImage.setPixelSize(50, 50);
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try {
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String formattedTime = DateTimeFormat.getFormat("MMMM dd, h:mm a").format(feed.getTime());
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timeArea.setHTML(formattedTime);
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if (! feed.getCommentsNo().equals("0")) {
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commentsNo.setHTML(feed.getCommentsNo());
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commentsNo.setStyleName("comments-number");
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commentsNo.setTitle("People commented this.");
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}
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if (! feed.getLikesNo().equals("0")) {
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likesNo.setHTML(feed.getLikesNo());
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likesNo.setStyleName("likes-number");
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likesNo.setTitle("Show People who have " + NewsFeedPanel.LIKED_LABEL + " this.");
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}
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totalComments = Integer.parseInt(feed.getCommentsNo());
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}
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catch (NumberFormatException e) {
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totalComments = 0;
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}
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catch (Exception e) {
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timeArea.setHTML("just now");
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}
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commentsPanel.setStyleName("commentsPanel");
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if (myFeed.getComments() != null && myFeed.getComments().size() > 0) {
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if (totalComments > 2) {
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showAllComments = getShowAllCommentsLink(totalComments);
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commentsPanel.add(showAllComments);
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commentsNo.setStyleName("show-comments-number");
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commentsNo.setTitle("Show all Comments");
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}
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for (Comment comment : myFeed.getComments()) {
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addComment(new SingleComment(comment, this, (comment.getUserid().equals(myUserInfo.getUsername()))));
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}
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}
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}
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/**
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* used when getting tweets from the client
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* @param myUserInfo
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* @param feed
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* @param eventBus
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* @param hidden
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*/
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public TweetTemplate(UserInfo myUserInfo, EnhancedFeed feed, HandlerManager eventBus, boolean hidden) {
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this(myUserInfo, feed, eventBus);
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contentArea.getElement().getParentElement().getParentElement().setClassName("div-table-col content hidden");
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}
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@UiHandler("contentArea")
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public void onHover(MouseOutEvent event) {
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if (isUsers)
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closeImage.removeStyleName("uiCloseButton");
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}
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@UiHandler("contentArea")
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public void onHover(MouseOverEvent event) {
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if (isUsers)
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closeImage.addStyleName("uiCloseButton");
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}
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@UiHandler("closeImage")
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void onDeleteFeedClick(ClickEvent e) {
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if (isUsers)
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eventBus.fireEvent(new DeleteFeedEvent(this));
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}
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@UiHandler("seeMore")
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void onSeeMoreClick(ClickEvent e) {
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contentArea.setHTML("<a class=\"link\" href=\""+GCubeSocialNetworking.USER_PROFILE_LINK+"\">"+myFeed.getFeed().getFullName()+"</a> " + myFeed.getFeed().getDescription());
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seeMore.setHTML("");
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}
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@UiHandler("likeArea")
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void onLikeClick(ClickEvent e) {
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if (!likeArea.getText().equals(NewsFeedPanel.LIKED_LABEL)) {
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try {
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eventBus.fireEvent(new StopTimerEvent(true)); //reset the refresh page timer
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int cur = Integer.parseInt(myFeed.getFeed().getLikesNo());
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cur++;
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if (cur == 1) {
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myFeed.getFeed().setLikesNo("1");
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likesNo.setHTML("1");
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likesNo.setStyleName("likes-number");
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likesNo.setTitle("People who have " + NewsFeedPanel.LIKED_LABEL + " this");
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} else {
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myFeed.getFeed().setLikesNo(""+cur);
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likesNo.setHTML(""+cur);
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}
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eventBus.fireEvent(new AddLikeEvent(this, myFeed.getFeed().getKey()));
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likeArea.setHTML(NewsFeedPanel.LIKED_LABEL);
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}
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catch (NumberFormatException ex) {
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likeArea.setHTML("Error on the server");
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}
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}
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}
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@UiHandler("commentArea")
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void onAddCommentClick(ClickEvent e) {
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if (! commentingDisabled) {
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if (! commentsFetched && totalComments > 2) { //if so, need to load all comments before adding a comment
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fireSeeComments(true);
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}
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showAddCommentForm();
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eventBus.fireEvent(new StopTimerEvent(false)); //stop the refresh page timer
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}
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else
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GWT.log("Commenting disabled");
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}
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@UiHandler("messageArea")
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void onMessageClick(ClickEvent e) {
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if (! isAppFeed) {
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eventBus.fireEvent(new StopTimerEvent(false)); //stop the refresh page timer
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final List<String> listToLogin = new ArrayList<String>();
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listToLogin.add(myFeed.getFeed().getEntityId());
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GWT.runAsync(new RunAsyncCallback() {
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@Override
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public void onSuccess() {
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new MailForm(listToLogin);
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}
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public void onFailure(Throwable reason) {
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Window.alert("Could not load this component: " + reason.getMessage());
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}
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});
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}
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}
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public void showAddCommentForm() {
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final AddCommentTemplate toAdd = new AddCommentTemplate(this, myUserInfo, eventBus);
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commentsPanel.add(toAdd);
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commentingDisabled = true;
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final Timer t = new Timer() {
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@Override
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public void run() {
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toAdd.setStyleName("comment-show");
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toAdd.setFocus();
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}
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};
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t.schedule(10);
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}
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private HTML getShowAllCommentsLink(int commentsNo) {
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final HTML toReturn = new HTML("<div class=\"more-comment\"><a class=\"link\" style=\"font-size:11px;\">Show all " + commentsNo + " comments<a/></div>");
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toReturn.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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fireSeeComments(false);
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}
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});
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return toReturn;
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}
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private void fireSeeComments(boolean commentForm2Add) {
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eventBus.fireEvent(new SeeCommentsEvent(this, commentForm2Add));
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}
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@UiHandler("likesNo")
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void onSeeLikes(ClickEvent e) {
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eventBus.fireEvent(new SeeLikesEvent(myFeed.getFeed().getKey()));
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}
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@UiHandler("commentsNo")
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void onSeeComments(ClickEvent e) {
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fireSeeComments(false);
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}
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public void setcontentAreaStyle(String cssclass) {
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contentArea.getElement().getParentElement().getParentElement().setClassName("div-table-col content visible");
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}
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public boolean isCommenting() {
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return commentingDisabled;
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}
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public void setCommentingDisabled(boolean commenting) {
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this.commentingDisabled = commenting;
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}
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public String getFeedKey() {
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return myFeed.getFeed().getKey();
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}
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public void remove(Widget w) {
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mainHTML.remove(w);
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}
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public void addComment(SingleComment comment) {
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myComments.add(comment);
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commentsPanel.add(comment);
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}
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public void clearComments() {
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myComments.clear();
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commentsPanel.clear();
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}
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public void showLoadingComments() {
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showAllComments.setHTML("<div class=\"more-comment\"><img style=\"padding-right:15px;\"src=\""+ loading +"\" /></div>");
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}
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public boolean isCommentsFetched() {
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return commentsFetched;
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}
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public void setCommentsFetched(boolean commentsFetched) {
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this.commentsFetched = commentsFetched;
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}
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public HandlerManager getEventBus() {
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return eventBus;
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}
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public void updateCommentsNumberCount() {
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if (myComments.size() == 1) {
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commentsNo.setStyleName("comments-number");
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commentsNo.setTitle("Persons who have commented this.");
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}
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commentsNo.setHTML(""+myComments.size());
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}
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public UserInfo getMyUserInfo() {
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return myUserInfo;
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}
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public String getMyFeedUserId() {
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return myFeed.getFeed().getEntityId();
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}
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public String getMyFeedText() {
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return myFeed.getFeed().getDescription();
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}
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}
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