/*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2013 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.agents.dataBrowser.view;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.openmicroscopy.shoola.agents.dataBrowser.DataBrowserLoader;
import org.openmicroscopy.shoola.agents.dataBrowser.DataBrowserTranslator;
import org.openmicroscopy.shoola.agents.dataBrowser.ThumbnailLoader;
import org.openmicroscopy.shoola.agents.dataBrowser.browser.BrowserFactory;
import org.openmicroscopy.shoola.agents.dataBrowser.browser.ImageDisplay;
import org.openmicroscopy.shoola.agents.dataBrowser.browser.ImageNode;
import omero.gateway.SecurityContext;
import omero.gateway.model.DataObject;
import omero.gateway.model.ExperimenterData;
import omero.gateway.model.ImageData;
/**
* A concrete Model for a collection of Groups consisting of a single
* tree rooted by given Group.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* @since 3.0-Beta4
*/
class GroupModel
extends DataBrowserModel
{
/**
* Creates a new instance.
*
* @param ctx The security context.
* @param parent The parent of the experimenters.
* @param datasets The collection to experimenters the model is for.
*/
GroupModel(SecurityContext ctx, Object parent,
Collection<ExperimenterData> experimenters)
{
super(ctx);
if (experimenters == null)
throw new IllegalArgumentException("No experimenters.");
this.parent = parent;
Set visTrees = DataBrowserTranslator.transformExperimenters(
experimenters);
numberOfImages = experimenters.size();
browser = BrowserFactory.createBrowser(visTrees);
//layoutBrowser();
}
/**
* Creates a concrete loader.
* @see DataBrowserModel#createDataLoader(boolean, Collection)
*/
protected List<DataBrowserLoader> createDataLoader(boolean refresh,
Collection ids)
{
if (refresh) imagesLoaded = 0;
if (imagesLoaded != 0 && ids != null)
imagesLoaded = imagesLoaded-ids.size();
if (imagesLoaded == numberOfImages) return null;
//only load thumbnails not loaded.
List<ImageNode> nodes = browser.getVisibleImageNodes();
if (nodes == null || nodes.size() == 0) return null;
Iterator<ImageNode> i = nodes.iterator();
ImageNode node;
List<DataObject> imgs = new ArrayList<DataObject>();
DataObject data;
List<Long> loaded = new ArrayList<Long>();
if (ids != null) {
while (i.hasNext()) {
node = i.next();
if (node.getThumbnail().getFullScaleThumb() == null) {
data = (DataObject) node.getHierarchyObject();
if (ids.contains(data.getId())) {
if (!loaded.contains(data.getId())) {
imgs.add(data);
loaded.add(data.getId());
imagesLoaded++;
}
}
}
}
} else {
long id;
List<ImageData> list;
while (i.hasNext()) {
node = i.next();
if (node.getThumbnail().getFullScaleThumb() == null) {
data = (DataObject) node.getHierarchyObject();
id = data.getId();
if (id > 0) {
if (!loaded.contains(id)) {
imgs.add(data);
loaded.add(id);
imagesLoaded++;
}
}
}
}
}
if (imgs.size() == 0) return null;
List<DataBrowserLoader> loaders = new ArrayList<DataBrowserLoader>();
loaders.add(new ThumbnailLoader(component, ctx, sorter.sort(imgs),
ThumbnailLoader.EXPERIMENTER, imgs.size()));
return loaders;
}
/**
* Returns the type of this model.
* @see DataBrowserModel#getType()
*/
protected int getType() { return DataBrowserModel.GROUP; }
/**
* No-operation implementation in our case.
* @see DataBrowserModel#getNodes()
*/
protected List<ImageDisplay> getNodes() { return null; }
}