/*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2014 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.metadata;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.commons.collections.CollectionUtils;
import org.openmicroscopy.shoola.agents.metadata.view.MetadataViewer;
import org.openmicroscopy.shoola.env.LookupNames;
import omero.gateway.SecurityContext;
import org.openmicroscopy.shoola.env.data.views.CallHandle;
import org.openmicroscopy.shoola.env.rnd.RndProxyDef;
import omero.gateway.model.DataObject;
import omero.gateway.model.ExperimenterData;
/**
* Loads all rendering settings associated to an image.
*
* @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
*/
public class RenderingSettingsLoader
extends MetadataLoader
{
/** Task Id for loading the viewedby items */
public static final int TASK_VIEWEDBY = 0;
/** Task Id for loading copied rendering settings */
public static final int TASK_COPY_PASTE = 1;
/** The ID of the pixels set. */
private long pixelsID;
/** Handle to the asynchronous call so that we can cancel it. */
private CallHandle handle;
/** The task this loader should execute */
private int task = -1;
/**
* Creates a new instance.
*
* @param viewer The viewer this data loader is for.
* Mustn't be <code>null</code>.
* @param ctx The security context.
* @param pixelsID The identifier of the pixels set.
* @param loaderID The identifier of the loader.
* @param task The task this loader is intended for
*/
public RenderingSettingsLoader(MetadataViewer viewer, SecurityContext ctx,
long pixelsID, int loaderID, int task)
{
super(viewer, ctx, loaderID);
this.task = task;
this.pixelsID = pixelsID;
}
/**
* Loads the folders containing the object.
* @see MetadataLoader#cancel()
*/
public void load()
{
handle = ivView.getRenderingSettings(ctx, pixelsID, this);
}
/**
* Cancels the data loading.
* @see MetadataLoader#cancel()
*/
public void cancel() { handle.cancel(); }
/**
* Feeds the result back to the viewer.
* @see MetadataLoader#handleResult(Object)
*/
public void handleResult(Object result)
{
Map<DataObject, Collection<RndProxyDef>> map =
(Map<DataObject, Collection<RndProxyDef>>) result;
if(task==TASK_VIEWEDBY) {
if (viewer.getState() == MetadataViewer.DISCARDED) return; //Async cancel.
//Create a new map to avoid major changes for now
Map<DataObject, RndProxyDef> m =
new HashMap<DataObject, RndProxyDef>(map.size());
Entry<DataObject, Collection<RndProxyDef>> entry;
Iterator<Entry<DataObject, Collection<RndProxyDef>>> i =
map.entrySet().iterator();
while (i.hasNext()) {
entry = i.next();
Collection<RndProxyDef> def = entry.getValue();
if (CollectionUtils.isNotEmpty(def))
m.put(entry.getKey(), def.iterator().next());
}
viewer.setViewedBy(m);
}
else if (task==TASK_COPY_PASTE) {
if (viewer.getRenderer() == null)
return;
ExperimenterData user = (ExperimenterData) MetadataViewerAgent
.getRegistry().lookup(LookupNames.CURRENT_USER_DETAILS);
Iterator<Entry<DataObject, Collection<RndProxyDef>>> i = map
.entrySet().iterator();
while (i.hasNext()) {
Entry<DataObject, Collection<RndProxyDef>> entry = i.next();
if (entry.getKey() instanceof ExperimenterData) {
ExperimenterData exp = (ExperimenterData) entry.getKey();
if (exp.getId() == user.getId()) {
Collection<RndProxyDef> def = entry.getValue();
viewer.applyRenderingSettings(def.iterator().next());
break;
}
}
}
}
}
}