PhotoPage.java
/*
* Copyright (C) 2000 - 2025 Silverpeas
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* As a special exception to the terms and conditions of version 3.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* Open Source Software ("FLOSS") applications as described in Silverpeas's
* FLOSS exception. You should have received a copy of the text describing
* the FLOSS exception, and it is also available here:
* "https://www.silverpeas.org/legal/floss_exception.html"
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.silverpeas.mobile.client.apps.media.pages;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptException;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.dom.client.*;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HTMLPanel;
import org.silverpeas.mobile.client.apps.comments.pages.widgets.CommentsButton;
import org.silverpeas.mobile.client.apps.favorites.pages.widgets.AddToFavoritesButton;
import org.silverpeas.mobile.client.apps.media.events.app.MediaViewGetNextEvent;
import org.silverpeas.mobile.client.apps.media.events.app.MediaViewGetPreviousEvent;
import org.silverpeas.mobile.client.apps.media.events.app.MediaViewShowEvent;
import org.silverpeas.mobile.client.apps.media.events.pages.*;
import org.silverpeas.mobile.client.apps.media.resources.MediaMessages;
import org.silverpeas.mobile.client.apps.notifications.pages.widgets.NotifyButton;
import org.silverpeas.mobile.client.common.EventBus;
import org.silverpeas.mobile.client.common.Notification;
import org.silverpeas.mobile.client.common.app.View;
import org.silverpeas.mobile.client.common.navigation.UrlUtils;
import org.silverpeas.mobile.client.common.network.NetworkHelper;
import org.silverpeas.mobile.client.common.reconizer.swipe.SwipeEndEvent;
import org.silverpeas.mobile.client.common.reconizer.swipe.SwipeEndHandler;
import org.silverpeas.mobile.client.common.reconizer.swipe.SwipeEvent;
import org.silverpeas.mobile.client.common.reconizer.swipe.SwipeRecognizer;
import org.silverpeas.mobile.client.components.base.PageContent;
import org.silverpeas.mobile.client.components.base.widgets.ShareButton;
import org.silverpeas.mobile.shared.dto.ContentsTypes;
import org.silverpeas.mobile.shared.dto.comments.CommentDTO;
import org.silverpeas.mobile.shared.dto.media.PhotoDTO;
import org.silverpeas.mobile.shared.dto.notifications.NotificationDTO;
/**
* @author: svu
*/
public class PhotoPage extends PageContent implements View, MediaPagesEventHandler, SwipeEndHandler {
interface PhotoPageUiBinder extends UiBinder<HTMLPanel, PhotoPage> {
}
@UiField HeadingElement mediaTitle;
@UiField Anchor mediaFullSize, download, link;
@UiField ParagraphElement lastUpdate, creator;
@UiField SpanElement mediaFileName, weight, dimensions;
@UiField ImageElement preview, mediaType;
@UiField
CommentsButton comments;
@UiField DivElement previewContainer;
@UiField HTML view;
@UiField HTMLPanel operations;
private NotifyButton notification = new NotifyButton();
private AddToFavoritesButton favorite = new AddToFavoritesButton();
private ShareButton share = new ShareButton();
private static PhotoPageUiBinder uiBinder = GWT.create(PhotoPageUiBinder.class);
private PhotoDTO photo;
private MediaMessages msg;
private SwipeRecognizer swipeRecognizer;
public PhotoPage() {
initWidget(uiBinder.createAndBindUi(this));
msg = GWT.create(MediaMessages.class);
EventBus.getInstance().addHandler(AbstractMediaPagesEvent.TYPE, this);
getElement().setId("a-media");
operations.getElement().setId("operations");
download.getElement().setId("download");
view.getElement().setId("view");
/*Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {
@Override
public void execute() {
swipeRecognizer = new SwipeRecognizer(HTML.wrap(previewContainer));
}
});*/
//EventBus.getInstance().addHandler(SwipeEndEvent.getType(), this);
}
@Override
public void onSwipeEnd(final SwipeEndEvent event) {
if (isVisible()) {
if (event.getDirection() == SwipeEvent.DIRECTION.RIGHT_TO_LEFT) {
EventBus.getInstance().fireEvent(new MediaViewGetNextEvent(photo));
} else if (event.getDirection() == SwipeEvent.DIRECTION.LEFT_TO_RIGHT) {
EventBus.getInstance().fireEvent(new MediaViewGetPreviousEvent(photo));
}
}
}
@Override
public void onMediaViewNext(final MediaViewNextEvent mediaViewNextEvent) {
EventBus.getInstance().fireEvent(new MediaViewShowEvent(mediaViewNextEvent.getNextMedia()));
back();
}
@Override
public void onMediaViewPrev(final MediaViewPrevEvent mediaViewPrevEvent) {
EventBus.getInstance().fireEvent(new MediaViewShowEvent(mediaViewPrevEvent.getPrevMedia()));
back();
}
@Override
public void onMediaPreviewLoaded(final MediaPreviewLoadedEvent event) {
if (isVisible()) {
this.photo = (PhotoDTO) event.getPreview();
if (!photo.getDownload()) link.getElement().removeClassName("expand-more");
preview.setSrc(photo.getDataPhoto());
mediaType.setSrc(NetworkHelper.getContext() + "icons/files/file-type-image.svg");
mediaTitle.setInnerHTML(photo.getTitle());
mediaFileName.setInnerHTML(photo.getName());
String size;
if (photo.getSize() < 1024 * 1024) {
size = String.valueOf(photo.getSize() / 1024);
weight.setInnerHTML(msg.sizeK(size));
} else {
size = String.valueOf(photo.getSize() / (1024 * 1024));
weight.setInnerHTML(msg.sizeM(size));
}
dimensions.setInnerHTML(msg.dimensions(String.valueOf(photo.getSizeL()), String.valueOf(photo.getSizeH())));
creator.setInnerHTML(msg.creation(photo.getCreationDate(), photo.getCreator()));
lastUpdate.setInnerHTML(msg.lastUpdate(photo.getUpdateDate(), photo.getUpdater()));
if (event.isCommentable()) {
comments.init(photo.getId(), CommentDTO.TYPE_PHOTO, getPageTitle(),
photo.getTitle(), photo.getCommentsNumber(), getApp().getApplicationInstance());
} else {
comments.getElement().getStyle().setDisplay(Style.Display.NONE);
}
favorite.init(photo.getInstance(), photo.getId(), ContentsTypes.Media.name(), photo.getTitle());
addActionMenu(favorite);
if (event.isNotifiable()) {
notification.init(photo.getInstance(), photo.getId(), NotificationDTO.TYPE_PHOTO, photo.getName(), getPageTitle());
addActionMenu(notification);
}
share.init(photo.getTitle(),photo.getTitle(),"/silverpeas/Media/"+photo.getId());
addActionMenu(share);
}
}
@Override
public void stop() {
super.stop();
comments.stop();
EventBus.getInstance().removeHandler(AbstractMediaPagesEvent.TYPE, this);
//EventBus.getInstance().removeHandler(SwipeEndEvent.getType(), this);
}
@UiHandler("mediaFullSize")
void showFullScreen(ClickEvent event) {
PhotoViewerPage page = new PhotoViewerPage();
page.setDataPhoto(photo);
page.show();
}
@UiHandler("link")
void link(ClickEvent event) {
if (photo.getDownload()) {
toogleOperations();
}
}
private void toogleOperations() {
if (operations.getStylePrimaryName().equalsIgnoreCase("ops-closed")) {
operations.setStylePrimaryName("ops-open");
link.setStylePrimaryName("expand-less");
} else {
operations.setStylePrimaryName("ops-closed");
link.setStylePrimaryName("expand-more");
}
}
@UiHandler("view")
void view(ClickEvent event) {
showFullScreen(event);
}
@UiHandler("download")
void download(ClickEvent event) {
if (photo.getDownload()) {
if (!clicked) {
clicked = true;
try {
String url = UrlUtils.getUploadLocation();
url += "MediaAction";
url += "?action=view" + "&id=" + photo.getId() + "&instanceId=" + photo.getInstance();
download.setHref(url);
download.setTarget("_self");
download.getElement().setAttribute("download", photo.getTitle());
download.fireEvent(new ClickEvent() {});
} catch(JavaScriptException e) {
Notification.alert(e.getMessage());
}
Scheduler.get().scheduleFixedDelay(new Scheduler.RepeatingCommand() {
@Override
public boolean execute() {
clicked = false;
return false;
}}, 400);
}
}
}
}