/*
*------------------------------------------------------------------------------
* Copyright (C) 2013 University of Dundee & Open Microscopy Environment.
* 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.fsimporter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.commons.collections.CollectionUtils;
import org.openmicroscopy.shoola.agents.dataBrowser.DataBrowserLoader;
import org.openmicroscopy.shoola.agents.dataBrowser.ThumbnailProvider;
import org.openmicroscopy.shoola.agents.dataBrowser.view.DataBrowser;
import org.openmicroscopy.shoola.agents.fsimporter.view.Importer;
import org.openmicroscopy.shoola.env.data.events.DSCallFeedbackEvent;
import org.openmicroscopy.shoola.env.data.model.ThumbnailData;
import omero.gateway.SecurityContext;
import org.openmicroscopy.shoola.env.data.views.CallHandle;
import org.openmicroscopy.shoola.env.data.views.HierarchyBrowsingView;
import omero.gateway.model.DataObject;
import omero.gateway.model.PixelsData;
import omero.gateway.model.PlateData;
/**
* Loads the result of the import.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @since 4.4
*/
public class ImportResultLoader
extends DataImporterLoader
{
/** Handle to the asynchronous call so that we can cancel it.*/
private CallHandle handle;
/** The identifier of the objects to load.*/
private final Collection<DataObject> ids;
/**
* The type of object to load: supported ImageData, PlateData,
* ThumbnailData.*/
private final Class<?> nodeType;
/** The component hosting the result of the upload.*/
private Object comp;
/** The result when loading the thumbnails.*/
private List<Object> result;
/**
* Creates a new instance.
*
* @param viewer The Importer this data loader is for.
* Mustn't be <code>null</code>.
* * @param ctx The security context.
* @param ids The collection of objects to load.
* @param nodeType The type of node.
* @param comp The component hosting the result.
*/
public ImportResultLoader(Importer viewer, SecurityContext ctx,
Collection<DataObject> ids, Class<?> nodeType, Object comp)
{
super(viewer, ctx);
if (CollectionUtils.isEmpty(ids) || nodeType == null)
throw new IllegalArgumentException("No data to load");
//Check supported type
if (!(PlateData.class.equals(nodeType) ||
ThumbnailData.class.equals(nodeType)))
throw new IllegalArgumentException("Type not supported");
this.ids = ids;
this.nodeType = nodeType;
this.comp = comp;
}
/**
* Loads the images or plate.
* @see DataImporterLoader#load()
*/
public void load()
{
if (nodeType.equals(PlateData.class)) {
List<Long> objects = new ArrayList<Long>();
Iterator<DataObject> i = ids.iterator();
PixelsData pxd;
while (i.hasNext()) {
pxd = (PixelsData) i.next();
objects.add(pxd.getImage().getId());
}
handle = dmView.loadPlateFromImage(ctx, objects, this);
} else if (nodeType.equals(ThumbnailData.class)) {
handle = hiBrwView.loadThumbnails(ctx, ids,
ThumbnailProvider.THUMB_MAX_WIDTH,
ThumbnailProvider.THUMB_MAX_HEIGHT,
-1, HierarchyBrowsingView.IMAGE, this);
}
}
/**
* Cancels the data loading.
* @see DataImporterLoader#load()
*/
public void cancel() { handle.cancel(); }
/**
* Feeds the thumbnails back to the viewer, as they arrive.
* @see DataBrowserLoader#update(DSCallFeedbackEvent)
*/
public void update(DSCallFeedbackEvent fe)
{
if (viewer.getState() == DataBrowser.DISCARDED ||
!ThumbnailData.class.equals(nodeType)) return;
ThumbnailData td = (ThumbnailData) fe.getPartialResult();
if (td != null) {
if (result == null) result = new ArrayList<Object>();
result.add(td);
if (result.size() == ids.size())
viewer.setImportResult(result, comp);
}
}
/**
* Feeds the result back to the viewer.
* @see DataImporterLoader#handleResult(Object)
*/
public void handleResult(Object result)
{
if (viewer.getState() == DataBrowser.DISCARDED ||
!PlateData.class.equals(nodeType)) return;
//Handle the plate.
Map<Long, Object> m = (Map<Long, Object>) result;
if (m.size() == 1) {
Iterator<Object> i = m.values().iterator();
while (i.hasNext()) {
viewer.setImportResult(i.next(), comp);
}
}
}
}