410 lines
14 KiB
Java
410 lines
14 KiB
Java
package org.gcube.portlets.user.shareupdates.client.view;
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import java.util.ArrayList;
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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 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.portal.databook.shared.FeedType;
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import org.gcube.portal.databook.shared.PrivacyLevel;
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import org.gcube.portal.databook.shared.UserInfo;
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import org.gcube.portlets.user.shareupdates.client.ShareUpdateService;
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import org.gcube.portlets.user.shareupdates.client.ShareUpdateServiceAsync;
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import org.gcube.portlets.user.shareupdates.shared.LinkPreview;
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import org.gcube.portlets.user.shareupdates.shared.UserSettings;
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import org.gcube.portlets.widgets.fileupload.client.events.FileUploadCompleteEvent;
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import org.gcube.portlets.widgets.fileupload.client.events.FileUploadCompleteEventHandler;
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import org.gcube.portlets.widgets.fileupload.client.view.UploadProgressPanel;
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import org.jsonmaker.gwt.client.Jsonizer;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.dom.client.Document;
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import com.google.gwt.dom.client.Style.Display;
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import com.google.gwt.dom.client.Style.Visibility;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiFactory;
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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.Element;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.Button;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.FileUpload;
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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.ListBox;
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import com.google.gwt.user.client.ui.Widget;
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/**
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*
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* @author Massimiliano Assante
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* @version 1.2 Nov 2012
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*
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*/
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public class ShareUpdateForm extends Composite {
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/**
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* Create a remote service proxy to talk to the server-side Greeting service.
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*/
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private final ShareUpdateServiceAsync shareupdateService = GWT
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.create(ShareUpdateService.class);
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final PageBusAdapter pageBusAdapter = new PageBusAdapter();
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protected final static String SHARE_UPDATE_TEXT = "Share an update or paste a link, use “@” to mention someone";
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protected final static String ERROR_UPDATE_TEXT = "Looks like empty to me!";
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private final static String LISTBOX_LEVEL = " - ";
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public static final String loading = GWT.getModuleBaseURL() + "../images/avatarLoader.gif";
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public static final String avatar_default = GWT.getModuleBaseURL() + "../images/Avatar_default.png";
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public static final String attach = GWT.getModuleBaseURL() + "../images/attach.png";
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private HandlerManager eventBus = new HandlerManager(null);
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private static ShareUpdateFormUiBinder uiBinder = GWT
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.create(ShareUpdateFormUiBinder.class);
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private LinkPreviewer myLinkPreviewer;
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private UploadProgressPanel uploadProgress;
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interface ShareUpdateFormUiBinder extends UiBinder<Widget, ShareUpdateForm> {
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}
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private static ShareUpdateForm singleton;
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public static ShareUpdateForm get() {
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return singleton;
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}
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@UiField
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HTMLPanel mainPanel;
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@UiField
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LinkPlaceholder preview;
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@UiField
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Button submitButton;
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@UiField
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HTML attachButton;
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@UiField
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Image avatarImage;
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@UiField SuperPosedTextArea shareTextArea;
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@UiField ListBox privacyLevel = new ListBox(false);
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UserInfo myUserInfo;
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private void bind() {
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/**
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* get the uploaded file result
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*/
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eventBus.addHandler(FileUploadCompleteEvent.TYPE, new FileUploadCompleteEventHandler() {
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@Override
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public void onUploadComplete(FileUploadCompleteEvent event) {
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String absolutePathOnServer = event.getUploadedFileInfo().getAbsolutePath();
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GWT.log("uploaded on Server here: " + absolutePathOnServer);
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checkFile(event.getUploadedFileInfo().getFilename(), absolutePathOnServer);
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}
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});
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}
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public ShareUpdateForm() {
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initWidget(uiBinder.createAndBindUi(this));
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singleton = this;
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bind();
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avatarImage.setUrl(loading);
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shareTextArea.setText(SHARE_UPDATE_TEXT);
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attachButton.getElement().getStyle().setDisplay(Display.INLINE);
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attachButton.setHTML("<span style=\"padding: 5px 1px; background: url('"+attach+"') 50% 50% no-repeat;\"> </span>");
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shareupdateService.getUserSettings(new AsyncCallback<UserSettings>() {
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public void onFailure(Throwable caught) {
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avatarImage.setSize("60px", "60px");
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avatarImage.setUrl(avatar_default);
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}
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public void onSuccess(UserSettings userSettings) {
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myUserInfo = userSettings.getUserInfo();
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avatarImage.getElement().getParentElement().setAttribute("href", myUserInfo.getAccountURL());
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avatarImage.setSize("60px", "60px");
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avatarImage.setUrl(myUserInfo.getAvatarId());
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String singleVREName = "";
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if (myUserInfo.getOwnVREs().size() > 1) {
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privacyLevel.addItem("My VREs", PrivacyLevel.VRES.toString());
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for (String vreId : myUserInfo.getOwnVREs().keySet())
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privacyLevel.addItem(LISTBOX_LEVEL + myUserInfo.getOwnVREs().get(vreId), vreId);
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}
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else if (myUserInfo.getOwnVREs().size() == 1)
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for (String vreId : myUserInfo.getOwnVREs().keySet()) {
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singleVREName = myUserInfo.getOwnVREs().get(vreId);
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privacyLevel.addItem(LISTBOX_LEVEL + singleVREName, vreId);
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}
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//privacyLevel.addItem("My Connections", PrivacyLevel.CONNECTION.toString());
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if (myUserInfo.isAdmin() && userSettings.isInfrastructure())
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privacyLevel.addItem("Anyone", PrivacyLevel.PORTAL.toString());
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//change css if deployed in VRE scope
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if (!userSettings.isInfrastructure()) {
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mainPanel.addStyleName("framed");
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Document.get().getElementById("staticPrivacyLevel").setInnerText(singleVREName);
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}
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else
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privacyLevel.setVisible(true);
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}
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});
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}
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/** Used by UiBinder to instantiate UploadProgressView */
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@UiFactory
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UploadProgressPanel instatiateProgressView() {
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uploadProgress = new UploadProgressPanel(eventBus);
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uploadProgress.setVisible(false);
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return uploadProgress;
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}
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@UiHandler("shareTextArea")
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void onShareUpdateClick(ClickEvent e) {
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shareTextArea.removeSampleText();
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}
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@UiHandler("attachButton")
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void onAttachClick(ClickEvent e) {
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if (myLinkPreviewer == null) {
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FileUpload up = uploadProgress.initialize();
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up.setVisible(false);
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fileBrowse(up.getElement());
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uploadProgress.setVisible(true);
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attachButton.getElement().getStyle().setVisibility(Visibility.HIDDEN); //beacuse otherwise it looses the other properties setting
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} else {
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Window.alert("You cannot post two files, please remove the previous one first.");
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}
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}
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/**
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* this simulates the click on the hidden native GWT FileUpload Button
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* @param el
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*/
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public static native void fileBrowse(Element el) /*-{
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el.click();
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}-*/;
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@UiHandler("submitButton")
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void onClick(ClickEvent e) {
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shareupdateService.getUserSettings(new AsyncCallback<UserSettings>() {
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public void onFailure(Throwable caught) {
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Window.alert("Ops! we encountered some problems delivering your message, server is not responding, please try again in a short while.");
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}
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public void onSuccess(UserSettings result) {
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if (result.getUserInfo().getUsername().equals("test.user")) {
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Window.alert("Your session has expired, please log out and login again");
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return;
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}
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myUserInfo = result.getUserInfo();
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String toShare = shareTextArea.getText().trim();
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if (toShare.equals(SHARE_UPDATE_TEXT) || toShare.equals(ERROR_UPDATE_TEXT) || toShare.equals("")) {
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shareTextArea.addStyleName("error");
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shareTextArea.setText(ERROR_UPDATE_TEXT);
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return;
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}
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//then you can post, but pass html
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String toPost = shareTextArea.getText();
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postTweet(toPost, shareTextArea.getMentionedUsers());
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}
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});
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}
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/**
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*
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* @param textToPost
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*/
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private void postTweet(String textToPost, ArrayList<String> mentionedUsers) {
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String toShare = escapeHtml(textToPost);
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if (! checkTextLength(toShare)) {
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Window.alert("We found a single word containing more than 50 chars and it's not a link, is it meaningful?");
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return;
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}
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submitButton.setEnabled(false);
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shareTextArea.setEnabled(false);
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String vreId = "";
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if (getPrivacyLevel() == PrivacyLevel.SINGLE_VRE) {
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vreId = privacyLevel.getValue(privacyLevel.getSelectedIndex());
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}
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String linkTitle = "";
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String linkDescription = "";
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String linkUrl = "";
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String linkUrlThumbnail = "";
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String linkHost = "";
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if (myLinkPreviewer != null) {
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linkTitle = myLinkPreviewer.getLinkTitle();
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linkDescription = myLinkPreviewer.getLinkDescription();
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linkUrl = myLinkPreviewer.getUrl();
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linkUrlThumbnail = myLinkPreviewer.getUrlThumbnail();
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linkHost = myLinkPreviewer.getHost();
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}
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shareupdateService.share(toShare, FeedType.TWEET, getPrivacyLevel(), vreId, linkTitle, linkDescription, linkUrl, linkUrlThumbnail, linkHost, mentionedUsers, new AsyncCallback<ClientFeed>() {
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public void onFailure(Throwable caught) {
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submitButton.setEnabled(true);
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shareTextArea.setEnabled(true);
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shareTextArea.setText(SHARE_UPDATE_TEXT);
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shareTextArea.cleanHighlihterDiv();
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preview.clear();
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myLinkPreviewer = null;
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}
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public void onSuccess(ClientFeed feed) {
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submitButton.setEnabled(true);
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shareTextArea.setEnabled(true);
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shareTextArea.setText(SHARE_UPDATE_TEXT);
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shareTextArea.cleanHighlihterDiv();
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preview.clear();
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myLinkPreviewer = null;
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if (feed == null)
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Window.alert("Ops! we encountered some problems delivering your message, please try again in a short while.");
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else {
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// publish a message with the refresh notification
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try {
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pageBusAdapter.PageBusPublish("org.gcube.portal.databook.shared", feed, (Jsonizer)GWT.create(ClientFeedJsonizer.class));
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} catch (PageBusAdapterException ex) {
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GWT.log(ex.getMessage());
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}
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}
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}
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});
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}
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private PrivacyLevel getPrivacyLevel() {
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String selected = privacyLevel.getValue(privacyLevel.getSelectedIndex());
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if (selected.compareTo(PrivacyLevel.CONNECTION.toString()) == 0)
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return PrivacyLevel.CONNECTION;
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else if (selected.compareTo(PrivacyLevel.VRES.toString()) == 0)
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return PrivacyLevel.VRES;
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else if (selected.compareTo(PrivacyLevel.PRIVATE.toString()) == 0)
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return PrivacyLevel.PRIVATE;
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else if (selected.compareTo(PrivacyLevel.PORTAL.toString()) == 0)
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return PrivacyLevel.PORTAL;
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else
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return PrivacyLevel.SINGLE_VRE;
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}
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/**
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* Escape an html string. Escaping data received from the client helps to
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* prevent cross-site script vulnerabilities.
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*
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* @param html the html string to escape
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* @return the escaped string
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*/
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private String escapeHtml(String html) {
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if (html == null) {
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return null;
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}
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return html.replaceAll("&", "&").replaceAll("<", "<")
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.replaceAll(">", ">");
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}
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/**
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* called when pasting a possible link
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* @param linkToCheck
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*/
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protected void checkLink(String textToCheck) {
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if (myLinkPreviewer == null) {
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String [] parts = textToCheck.split("\\s");
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// Attempt to convert each item into an URL.
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for( String item : parts ) {
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if (item.startsWith("http")) {
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preview.add(new LinkLoader());
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//GWT.log("It's http link:" + linkToCheck);
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shareupdateService.checkLink(textToCheck, new AsyncCallback<LinkPreview>() {
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public void onFailure(Throwable caught) {
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preview.clear();
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}
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public void onSuccess(LinkPreview result) {
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preview.clear();
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if (result != null)
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addPreview(result);
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}
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});
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break;
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}
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}
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} else {
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Window.alert("You cannot post two links, please remove the previous one first.");
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}
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}
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/**
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* called when the file was correctly uploaded on server
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* @param fileName the name of the file
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* @param absolutePathOnServer the path of the file ending with its name on the server temp
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*/
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protected void checkFile(String fileName, String absolutePathOnServer) {
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preview.add(new LinkLoader());
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shareupdateService.checkUploadedFile(fileName, absolutePathOnServer, new AsyncCallback<LinkPreview>() {
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public void onFailure(Throwable caught) {
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uploadProgress.showRegisteringResult(false);
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preview.clear();
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attachButton.getElement().getStyle().setVisibility(Visibility.VISIBLE); //beacuse otherwise it looses the other properties setting
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}
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public void onSuccess(LinkPreview result) {
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preview.clear();
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uploadProgress.setVisible(false);
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if (result != null)
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addPreview(result);
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}
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});
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}
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/**
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* called when pasting. it tries to avoid pasting long non spaced strings
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* @param linkToCheck
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*/
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private boolean checkTextLength(String textToCheck) {
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String [] parts = textToCheck.split("\\s");
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// check the length of tokens
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for( String item : parts ) {
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if (! item.startsWith("http")) { //url are accepted as they can be trunked
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if (item.length() > 50) {
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return false;
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}
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}
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}
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return true;
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}
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/**
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* add the link preview in the view
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* @param result
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*/
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private void addPreview(LinkPreview result) {
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uploadProgress.setVisible(false);
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myLinkPreviewer = new LinkPreviewer(this, result);
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preview.add(myLinkPreviewer);
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}
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/**
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*
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*/
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protected void cancelPreview() {
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preview.clear();
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myLinkPreviewer = null;
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attachButton.getElement().getStyle().setVisibility(Visibility.VISIBLE); //beacuse otherwise it looses the other properties setting
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}
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}
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