/**
* Copyright (c) 2008-2012 The Sakai Foundation
*
* Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.sakaiproject.profile2.tool.pages;
import org.apache.log4j.Logger;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.feedback.FeedbackMessage;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.navigation.paging.PagingNavigator;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.data.GridView;
import org.apache.wicket.markup.repeater.data.IDataProvider;
import org.apache.wicket.model.StringResourceModel;
import org.sakaiproject.profile2.model.GalleryImage;
import org.sakaiproject.profile2.tool.components.ErrorLevelsFeedbackMessageFilter;
import org.sakaiproject.profile2.tool.components.GalleryImageRenderer;
import org.sakaiproject.profile2.tool.dataproviders.GalleryImageDataProvider;
import org.sakaiproject.profile2.util.ProfileConstants;
/**
* Gallery component for viewing another user's pictures.
*/
public class ViewPictures extends BasePage {
private static final Logger log = Logger.getLogger(ViewPictures.class);
private GridView gridView;
public ViewPictures(String userUuid) {
log.debug("ViewPictures()");
configureFeedback();
createGalleryForm(userUuid);
}
private void createGalleryForm(final String userUuid) {
Label galleryHeading = new Label("galleryHeading", new StringResourceModel(
"heading.pictures.view.pictures", null, new Object[] { sakaiProxy.getUserDisplayName(userUuid) }));
add(galleryHeading);
Form galleryForm = new Form("galleryForm") {
private static final long serialVersionUID = 1L;
};
galleryForm.setOutputMarkupId(true);
populateGallery(galleryForm, userUuid);
add(galleryForm);
}
private void populateGallery(Form galleryForm, final String userUuid) {
IDataProvider dataProvider = new GalleryImageDataProvider(userUuid);
int numImages = dataProvider.size();
gridView = new GridView("rows", dataProvider) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(Item item) {
final GalleryImage image = (GalleryImage) item.getModelObject();
final GalleryImageRenderer galleryImageThumbnailRenderer = new GalleryImageRenderer(
"galleryImageThumbnailRenderer", image
.getThumbnailResource());
AjaxLink galleryImageLink = new AjaxLink("galleryItem") {
public void onClick(AjaxRequestTarget target) {
setResponsePage(new ViewPicture(image));
}
};
galleryImageLink.add(galleryImageThumbnailRenderer);
item.add(galleryImageLink);
}
@Override
protected void populateEmptyItem(Item item) {
Link galleryImageLink = new Link("galleryItem") {
@Override
public void onClick() {
}
};
galleryImageLink.add(new Label("galleryImageThumbnailRenderer"));
item.add(galleryImageLink);
}
};
gridView.setRows(3);
gridView.setColumns(4);
galleryForm.add(gridView);
//pager
if (numImages == 0) {
galleryForm.add(new PagingNavigator("navigator", gridView).setVisible(false));
} else if (numImages <= ProfileConstants.MAX_GALLERY_IMAGES_PER_PAGE) {
galleryForm.add(new PagingNavigator("navigator", gridView).setVisible(false));
} else {
galleryForm.add(new PagingNavigator("navigator", gridView));
}
}
private void configureFeedback() {
// activate feedback panel
final FeedbackPanel feedback = new FeedbackPanel("feedback");
feedback.setOutputMarkupId(true);
add(feedback);
// don't show filtered feedback errors in feedback panel
int[] filteredErrorLevels = new int[] { FeedbackMessage.ERROR };
feedback.setFilter(new ErrorLevelsFeedbackMessageFilter(
filteredErrorLevels));
}
}