/*
* Copyright (c) 2011 Lockheed Martin Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.eurekastreams.web.client.ui.pages.widget;
import java.util.HashSet;
import org.eurekastreams.server.action.request.stream.PostActivityRequest;
import org.eurekastreams.server.domain.DomainConversionUtility;
import org.eurekastreams.server.domain.EntityType;
import org.eurekastreams.server.domain.stream.ActivityDTO;
import org.eurekastreams.server.domain.stream.LinkInformation;
import org.eurekastreams.server.domain.stream.StreamScope;
import org.eurekastreams.server.domain.stream.StreamScope.ScopeType;
import org.eurekastreams.server.search.modelview.PersonModelView;
import org.eurekastreams.web.client.events.EventBus;
import org.eurekastreams.web.client.events.MessageStreamAppendEvent;
import org.eurekastreams.web.client.events.Observer;
import org.eurekastreams.web.client.events.PostReadyEvent;
import org.eurekastreams.web.client.events.errors.ErrorPostingMessageToNullScopeEvent;
import org.eurekastreams.web.client.model.ActivityModel;
import org.eurekastreams.web.client.ui.Session;
import org.eurekastreams.web.client.ui.common.avatar.AvatarWidget;
import org.eurekastreams.web.client.ui.common.avatar.AvatarWidget.Size;
import org.eurekastreams.web.client.ui.common.stream.PostToPanel;
import org.eurekastreams.web.client.ui.common.stream.PostToStreamTextboxPanel;
import org.eurekastreams.web.client.ui.common.stream.decorators.ActivityDTOPopulator;
import org.eurekastreams.web.client.ui.common.stream.decorators.object.BookmarkPopulator;
import org.eurekastreams.web.client.ui.common.stream.decorators.verb.PostPopulator;
import org.eurekastreams.web.client.ui.common.stream.thumbnail.ThumbnailSelectorComposite;
import org.eurekastreams.web.client.ui.pages.master.StaticResourceBundle;
import com.google.gwt.event.dom.client.BlurEvent;
import com.google.gwt.event.dom.client.BlurHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.FocusEvent;
import com.google.gwt.event.dom.client.FocusHandler;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Panel;
import com.google.gwt.user.client.ui.TextBox;
/**
* The Eureka Connect share dialog widget.
*/
public class ShareWidget extends Composite
{
/** Max length. */
private static final int MAXLENGTH = 250;
/** The display link panel. */
private final FlowPanel displayPanel = new FlowPanel();
/** Thumbnail selector. */
private final ThumbnailSelectorComposite selector = new ThumbnailSelectorComposite();
/** Link URL. */
private final Label linkUrlDisplay = new Label();
/** The title link. */
private final FlowPanel titleLink = new FlowPanel();
/** Link Description. */
private final Label linkDesc = new Label();
/** Text box. */
private final TextBox title = new TextBox();
/** Max length of title. */
private static final int MAX_LENGTH = 50;
/** Activity Populator. */
private final ActivityDTOPopulator activityPopulator = new ActivityDTOPopulator();
/**
* Default text for postbox.
*/
private final String defaultText = "Add comment to Post";
/** The count down label. */
private final Label countDown = new Label();
/** If share button is inactive. */
private boolean inactive = false;
/** The post button. */
private final Label postButton = new Label("Post");
/** The message entry box. */
private final PostToStreamTextboxPanel message = new PostToStreamTextboxPanel();
/**
* Constructor.
*
* @param resourceUrl
* resource url.
* @param inTitle
* the title.
* @param desc
* the description.
* @param thumbs
* the thumbnails.
*/
public ShareWidget(final String resourceUrl, final String inTitle, final String desc, final String[] thumbs)
{
final FlowPanel widget = new FlowPanel();
widget.addStyleName(StaticResourceBundle.INSTANCE.coreCss().eurekaConnectShareWidgetContainer());
initWidget(widget);
PersonModelView person = Session.getInstance().getCurrentPerson();
StreamScope defaultStreamScope = new StreamScope(person.getDisplayName(), ScopeType.PERSON, person
.getAccountId(), person.getStreamId());
final PostToPanel postToPanel = new PostToPanel(defaultStreamScope);
widget.add(postToPanel);
// -- Setup the link display panel (thumbnail selector, field to update title) --
title.addStyleName(StaticResourceBundle.INSTANCE.coreCss().attachLinkTitleEntry());
linkUrlDisplay.addStyleName(StaticResourceBundle.INSTANCE.coreCss().url());
linkDesc.addStyleName(StaticResourceBundle.INSTANCE.coreCss().metaDescription());
FlowPanel linkInfoPanel = new FlowPanel();
linkInfoPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().messageLink());
linkInfoPanel.add(title);
linkInfoPanel.add(linkUrlDisplay);
linkInfoPanel.add(linkDesc);
displayPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().linkPanel());
displayPanel.add(selector);
displayPanel.add(linkInfoPanel);
displayPanel.add(selector.getPagingControls());
widget.add(displayPanel);
final LinkInformation link = new LinkInformation();
link.setDescription(desc);
link.setTitle(inTitle);
link.setUrl(resourceUrl);
try
{
link.setSource(resourceUrl.substring(0, resourceUrl.indexOf('/', 7)));
}
catch (Exception e)
{
link.setSource(resourceUrl);
}
if (thumbs != null)
{
HashSet<String> thumbsSet = new HashSet<String>();
for (String thumb : thumbs)
{
thumbsSet.add(thumb);
}
link.setImageUrls(thumbsSet);
link.setLargestImageUrl(thumbs[0]);
}
onLinkAdded(link);
final FlowPanel postContainer = new FlowPanel();
postContainer.getElement().setAttribute("id", "post-to-stream");
postContainer.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postToStream());
postContainer.addStyleName(StaticResourceBundle.INSTANCE.coreCss().small());
postContainer.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postToStreamContainer());
FlowPanel postInfoContainer = new FlowPanel();
postInfoContainer.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postInfoContainer());
postButton.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postButton());
postInfoContainer.add(postButton);
message.setText(defaultText);
// user clicked in message text box
message.addFocusHandler(new FocusHandler()
{
public void onFocus(final FocusEvent inEvent)
{
if ((" " + postContainer.getStyleName() + " ")
.contains(StaticResourceBundle.INSTANCE.coreCss().small()))
{
postContainer.removeStyleName(StaticResourceBundle.INSTANCE.coreCss().small());
message.setText("");
}
}
});
AvatarWidget avatar = new AvatarWidget(person, EntityType.PERSON, Size.VerySmall);
avatar.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postEntryAvatar());
Panel entryPanel = new FlowPanel();
entryPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postEntryPanel());
entryPanel.add(avatar);
entryPanel.add(postInfoContainer);
entryPanel.add(message);
postContainer.add(entryPanel);
widget.add(postContainer);
EventBus.getInstance().addObserver(MessageStreamAppendEvent.class, new Observer<MessageStreamAppendEvent>()
{
public void update(final MessageStreamAppendEvent arg1)
{
closeWindow();
}
});
postButton.addClickHandler(new ClickHandler()
{
public void onClick(final ClickEvent event)
{
StreamScope scope = postToPanel.getPostScope();
if (scope == null)
{
ErrorPostingMessageToNullScopeEvent error = new ErrorPostingMessageToNullScopeEvent();
error.setErrorMsg("The stream name you entered could not be found");
Session.getInstance().getEventBus().notifyObservers(error);
return;
}
EntityType recipientType = DomainConversionUtility.convertToEntityType(scope.getScopeType());
if (EntityType.NOTSET.equals(recipientType))
{
recipientType = EntityType.GROUP;
}
String messageText = message.getText();
if (messageText.equals(defaultText))
{
messageText = "";
}
BookmarkPopulator objectStrat = new BookmarkPopulator();
objectStrat.setLinkInformation(link);
ActivityDTO activity = activityPopulator.getActivityDTO(messageText, recipientType, scope
.getUniqueKey(), new PostPopulator(), objectStrat);
PostActivityRequest postRequest = new PostActivityRequest(activity);
ActivityModel.getInstance().insert(postRequest);
}
});
EventBus.getInstance().notifyObservers(new PostReadyEvent("Something"));
}
/**
* Called when a link is added to the message.
*
* @param link
* the link that was added.
*/
public void onLinkAdded(final LinkInformation link)
{
LinkInformation addedLink = link;
if (null == addedLink)
{
addedLink = new LinkInformation();
}
selector.setLink(addedLink);
if (!addedLink.getImageUrls().isEmpty())
{
displayPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().hasThumbnail());
}
linkUrlDisplay.setText("source: " + addedLink.getSource());
title.setVisibleLength(MAX_LENGTH);
title.setValue(addedLink.getTitle());
title.addBlurHandler(new BlurHandler()
{
public void onBlur(final BlurEvent event)
{
// This check is a workaround for the real problem, which is that the blur handler is getting wired up
// multiple times (once on the first time the user clicks 'add link' and once when the activity is
// posted and everything is being cleared out). Maybe this control will get redesigned when
// PostToStreamComposite gets refactored from MVC to the current design.
if (link != null)
{
link.setTitle(title.getValue());
}
}
});
linkDesc.setText(addedLink.getDescription());
}
/**
* Gets triggered whenever the comment changes.
*/
private void onCommentChanges()
{
Integer charsRemaining = MAXLENGTH - message.getText().length();
countDown.setText(charsRemaining.toString());
if (charsRemaining >= 0)
{
countDown.removeStyleName(StaticResourceBundle.INSTANCE.coreCss().overCharacterLimit());
postButton.removeStyleName(StaticResourceBundle.INSTANCE.coreCss().inactive());
inactive = false;
}
else
{
countDown.addStyleName(StaticResourceBundle.INSTANCE.coreCss().overCharacterLimit());
postButton.addStyleName(StaticResourceBundle.INSTANCE.coreCss().inactive());
inactive = true;
}
}
/**
* Close the window.
*/
public static native void closeWindow()
/*-{
try {
$wnd.opener.location.href = $wnd.opener.location.href;
}
catch(e) {}
$wnd.close();
}-*/;
}