/*
*------------------------------------------------------------------------------
* 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.browser.BrowserFactory;
import org.openmicroscopy.shoola.agents.dataBrowser.browser.ImageDisplay;
import org.openmicroscopy.shoola.agents.dataBrowser.browser.ImageNode;
import org.openmicroscopy.shoola.agents.dataBrowser.visitor.DecoratorVisitor;
import omero.gateway.SecurityContext;
import omero.gateway.model.DataObject;
import omero.gateway.model.DatasetData;
import omero.gateway.model.ImageData;
/**
* A concrete Model for a collection of D/D hierarchy consisting of a single
* tree rooted by given Datasets.
*
* @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 OME3.0
*/
class DatasetsModel
extends DataBrowserModel
{
/**
* Creates a new instance.
*
* @param ctx The security context.
* @param parent The parent of the datasets.
* @param datasets The collection to datasets the model is for.
*/
DatasetsModel(SecurityContext ctx, Object parent, Set<DatasetData> datasets)
{
super(ctx);
if (datasets == null)
throw new IllegalArgumentException("No datasets.");
this.parent = parent;
Set visTrees = DataBrowserTranslator.transformHierarchy(datasets);
browser = BrowserFactory.createBrowser(visTrees);
browser.accept(new DecoratorVisitor(getCurrentUser().getId()));
//Visit the node to set the
//layoutBrowser();
Iterator<DatasetData> i = datasets.iterator();
DatasetData data;
List<Long> ids = new ArrayList<Long>();
Set images;
Iterator j;
ImageData img;
while (i.hasNext()) {
data = i.next();
images = data.getImages();
if (images != null) {
j = images.iterator();
while (j.hasNext()) {
img = (ImageData) j.next();
if (!ids.contains(img.getId())) {
try {
img.getDefaultPixels();
ids.add(img.getId());
numberOfImages++;
} catch (Exception e) {}
}
}
}
}
}
/**
* 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>();
ImageData img;
List<Long> loaded = new ArrayList<Long>();
if (ids != null) {
while (i.hasNext()) {
node = i.next();
if (node.getThumbnail().getFullScaleThumb() == null) {
img = (ImageData) node.getHierarchyObject();
if (ids.contains(img.getId())) {
if (!loaded.contains(img.getId())) {
try {
img.getDefaultPixels();
imgs.add(img);
loaded.add(img.getId());
imagesLoaded++;
} catch (Exception e) {}
}
}
}
}
} else {
while (i.hasNext()) {
node = i.next();
if (node.getThumbnail().getFullScaleThumb() == null) {
img = (ImageData) node.getHierarchyObject();
if (!loaded.contains(img.getId())) {
try {
img.getDefaultPixels();
imgs.add(img);
loaded.add(img.getId());
imagesLoaded++;
} catch (Exception e) {}
}
}
}
}
if (imgs.size() == 0) return null;
return createThumbnailsLoader(sorter.sort(imgs));
}
/**
* Returns the type of this model.
* @see DataBrowserModel#getType()
*/
protected int getType() { return DataBrowserModel.DATASETS; }
/**
* No-operation implementation in our case.
* @see DataBrowserModel#getNodes()
*/
protected List<ImageDisplay> getNodes() { return null; }
}