/*
* Copyright (c) 2010 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.renderers.object;
import java.util.HashMap;
import org.eurekastreams.server.domain.Page;
import org.eurekastreams.server.domain.stream.ActivityDTO;
import org.eurekastreams.web.client.history.CreateUrlRequest;
import org.eurekastreams.web.client.ui.Session;
import org.eurekastreams.web.client.ui.pages.master.StaticResourceBundle;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.InlineHyperlink;
import com.google.gwt.user.client.ui.InlineLabel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Widget;
/**
* Renders a file (document) object.
*
*/
public class FileRenderer implements ObjectRenderer
{
/**
* {@inheritDoc}
*/
public Widget getAttachmentWidget(final ActivityDTO activity)
{
HashMap<String, String> props = activity.getBaseObjectProperties();
String title = props.get("targetTitle");
String url = props.get("targetUrl");
String source = props.get("source");
String fileExt = getFileExt(url);
FlowPanel mainPanel = new FlowPanel();
mainPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().icon());
mainPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().messageLink());
mainPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().hasThumbnail());
if (fileExt != null)
{
mainPanel.addStyleName("icon-" + fileExt);
}
FlowPanel line;
Label text;
Widget link;
link = new Anchor(title, url);
link.addStyleName(StaticResourceBundle.INSTANCE.coreCss().title());
mainPanel.add(link);
// source line
line = new FlowPanel();
line.addStyleName(StaticResourceBundle.INSTANCE.coreCss().url());
text = new InlineLabel("source: ");
line.add(text);
link = new Anchor(source, source);
line.add(link);
mainPanel.add(line);
// "modified by" line
String authorName = props.get("modifiedByDisplayName");
if (authorName != null)
{
String authorAccountId = props.get("modifiedByAccountId");
if (authorAccountId != null)
{
line = new FlowPanel();
line.addStyleName(StaticResourceBundle.INSTANCE.coreCss().url());
text = new InlineLabel("Modified by: ");
line.add(text);
String authorUrl =
Session.getInstance().generateUrl(new CreateUrlRequest(Page.PEOPLE, authorAccountId));
link = new InlineHyperlink(authorName, authorUrl);
line.add(link);
mainPanel.add(line);
}
else
{
text = new Label("Modified by: " + authorName);
text.addStyleName(StaticResourceBundle.INSTANCE.coreCss().url());
mainPanel.add(text);
}
}
return mainPanel;
}
/**
* {@inheritDoc}
*/
public Widget getContentWidget(final ActivityDTO activity)
{
// no content other than the attachment
return null;
}
/**
* Gets the file extension from a URL. (Native since GWT 1.7 doesn't support java.util.regex.)
*
* @param url
* the url.
* @return File extension.
*/
private static native String getFileExt(final String url)
/*-{
var re = new RegExp('\\.(\\w+)$');
var result = url.match(re);
return result == null ? null : result[1].toString();
}-*/;
}