/*
* Copyright (c) 2009-2013 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.common.stream.share;
import java.util.HashMap;
import org.eurekastreams.commons.client.ActionProcessor;
import org.eurekastreams.server.action.request.stream.PostActivityRequest;
import org.eurekastreams.server.domain.EntityType;
import org.eurekastreams.server.domain.stream.ActivityDTO;
import org.eurekastreams.server.domain.stream.StreamScope;
import org.eurekastreams.server.domain.stream.StreamScope.ScopeType;
import org.eurekastreams.web.client.events.EventBus;
import org.eurekastreams.web.client.events.Observer;
import org.eurekastreams.web.client.events.StreamReinitializeRequestEvent;
import org.eurekastreams.web.client.events.data.GotSystemSettingsResponseEvent;
import org.eurekastreams.web.client.model.SystemSettingsModel;
import org.eurekastreams.web.client.ui.Session;
import org.eurekastreams.web.client.ui.common.dialog.BaseDialogContent;
import org.eurekastreams.web.client.ui.common.stream.PostToPanel;
import org.eurekastreams.web.client.ui.common.stream.decorators.ActivityDTOPopulator;
import org.eurekastreams.web.client.ui.common.stream.decorators.verb.SharePopulator;
import org.eurekastreams.web.client.ui.common.stream.renderers.ShowRecipient;
import org.eurekastreams.web.client.ui.common.stream.renderers.StreamMessageItemRenderer;
import org.eurekastreams.web.client.ui.common.stream.renderers.StreamMessageItemRenderer.State;
import org.eurekastreams.web.client.ui.pages.master.StaticResourceBundle;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.DeferredCommand;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Hyperlink;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.Widget;
/**
* The dialog content for sharing.
*
*/
public class ShareMessageDialogContent extends BaseDialogContent
{
/**
* Main flow panel.
*/
private final FlowPanel body = new FlowPanel();
/**
* The processor.
*/
private final ActionProcessor processor;
/**
* The message box.
*/
private final TextArea commentBox = new TextArea();
/**
* The post to panel.
*/
private final PostToPanel postToPanel;
/**
* Error message.
*/
Label errorMsg = new Label();
/**
* Max length.
*/
private static final int MAXLENGTH = 1000;
/**
* Action keys associated with recipient types.
*/
private final HashMap<EntityType, String> actionKeys = new HashMap<EntityType, String>();
/** The count down label. */
private final Label countDown = new Label();
/** Button to share content. */
private final Hyperlink share;
/** If share button is inactive. */
private boolean inactive = false;
/**
* Default constructor.
*
* @param sharedMessage
* the shared message.
*/
public ShareMessageDialogContent(final ActivityDTO sharedMessage)
{
StreamScope postScope = new StreamScope(ScopeType.PERSON, Session.getInstance().getCurrentPerson()
.getAccountId());
processor = Session.getInstance().getActionProcessor();
actionKeys.put(EntityType.GROUP, "postGroupActivityServiceActionTaskHandler");
actionKeys.put(EntityType.PERSON, "postPersonActivityServiceActionTaskHandler");
body.addStyleName(StaticResourceBundle.INSTANCE.coreCss().shareMessageDialogBody());
Label loading = new Label("Share this activity to your stream or another stream");
loading.setStyleName(StaticResourceBundle.INSTANCE.coreCss().formTitle());
body.add(loading);
errorMsg.addStyleName(StaticResourceBundle.INSTANCE.coreCss().formErrorBox());
errorMsg.setVisible(false);
body.add(errorMsg);
postToPanel = new PostToPanel(postScope, true);
body.add(postToPanel);
StreamMessageItemRenderer messageRenderer = new StreamMessageItemRenderer(ShowRecipient.NO, State.READONLY);
body.add(messageRenderer.render(sharedMessage));
Label messageLabel = new Label("Comment:");
messageLabel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().formLabel());
body.add(messageLabel);
commentBox.addStyleName(StaticResourceBundle.INSTANCE.coreCss().messageBox());
body.add(commentBox);
countDown.setText(Integer.toString(MAXLENGTH));
countDown.addStyleName(StaticResourceBundle.INSTANCE.coreCss().charactersRemaining());
body.add(countDown);
final FlowPanel warning = new FlowPanel();
warning.addStyleName(StaticResourceBundle.INSTANCE.coreCss().warning());
body.add(warning);
Session.getInstance().getEventBus()
.addObserver(GotSystemSettingsResponseEvent.class, new Observer<GotSystemSettingsResponseEvent>()
{
public void update(final GotSystemSettingsResponseEvent event)
{
warning.getElement().setInnerHTML(event.getResponse().getContentWarningText());
}
});
SystemSettingsModel.getInstance().fetch(null, true);
share = new Hyperlink("share", History.getToken());
share.addStyleName(StaticResourceBundle.INSTANCE.coreCss().formButton());
share.addStyleName(StaticResourceBundle.INSTANCE.coreCss().formShareButton());
Hyperlink cancel = new Hyperlink("Cancel", History.getToken());
cancel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().formButton());
cancel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().formCancelButton());
cancel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().shareMessageCancel());
body.add(share);
body.add(cancel);
cancel.addClickHandler(new ClickHandler()
{
public void onClick(final ClickEvent event)
{
close();
}
});
commentBox.addKeyUpHandler(new KeyUpHandler()
{
public void onKeyUp(final KeyUpEvent event)
{
onCommentChanges();
}
});
commentBox.addChangeHandler(new ChangeHandler()
{
public void onChange(final ChangeEvent event)
{
onCommentChanges();
}
});
share.addClickHandler(new ClickHandler()
{
public void onClick(final ClickEvent event)
{
if (!inactive)
{
StreamScope scope = postToPanel.getPostScope();
if (scope != null)
{
hideError();
EntityType recipientType;
if (scope.getScopeType().equals(ScopeType.PERSON))
{
recipientType = EntityType.PERSON;
}
else
{
recipientType = EntityType.GROUP;
}
PostActivityRequest postRequest = new PostActivityRequest(new ActivityDTOPopulator()
.getActivityDTO("", recipientType, scope.getUniqueKey(), new SharePopulator(
sharedMessage, commentBox.getText()), null));
processor.makeRequest(actionKeys.get(recipientType), postRequest,
new AsyncCallback<ActivityDTO>()
{
/* implement the async call back methods */
public void onFailure(final Throwable caught)
{
// TODO handle error.
}
public void onSuccess(final ActivityDTO result)
{
close();
EventBus.getInstance().notifyObservers(
StreamReinitializeRequestEvent.getEvent());
}
});
}
else
{
showError("The stream name you entered could not be found");
}
}
}
});
}
/**
* Shows the error.
*
* @param text
* the error message text.
*/
private void showError(final String text)
{
errorMsg.setText(text);
errorMsg.setVisible(true);
}
/**
* Hides the error.
*/
private void hideError()
{
errorMsg.setVisible(false);
}
/**
* Gets the body panel.
*
* @return the body.
*/
public Widget getBody()
{
return body;
}
/**
* Gets the CSS name.
*
* @return the class.
*/
@Override
public String getCssName()
{
return StaticResourceBundle.INSTANCE.coreCss().shareMessageDialog();
}
/**
* Gets the title.
*
* @return the title.
*/
public String getTitle()
{
return "Share";
}
/**
* On show, set focus to comment box.
*/
@Override
public void show()
{
DeferredCommand.addCommand(new Command()
{
public void execute()
{
commentBox.setFocus(true);
}
});
}
/**
* Gets triggered whenever the comment changes.
*/
private void onCommentChanges()
{
Integer charsRemaining = MAXLENGTH - commentBox.getText().length();
countDown.setText(charsRemaining.toString());
if (charsRemaining >= 0)
{
countDown.removeStyleName(StaticResourceBundle.INSTANCE.coreCss().overCharacterLimit());
share.removeStyleName(StaticResourceBundle.INSTANCE.coreCss().inactive());
inactive = false;
}
else
{
countDown.addStyleName(StaticResourceBundle.INSTANCE.coreCss().overCharacterLimit());
share.addStyleName(StaticResourceBundle.INSTANCE.coreCss().inactive());
inactive = true;
}
}
}