/*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2009 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.
*
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*/
package org.openmicroscopy.shoola.agents.treeviewer;
import java.util.Collection;
import org.openmicroscopy.shoola.agents.treeviewer.browser.Browser;
import org.openmicroscopy.shoola.agents.util.browser.TreeImageSet;
import omero.gateway.SecurityContext;
import org.openmicroscopy.shoola.env.data.views.CallHandle;
import omero.gateway.model.DataObject;
import omero.gateway.model.ExperimenterData;
/**
* Loads the measurement associated to a given plate.
*
* @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 PlateMeasurementLoader
extends DataBrowserLoader
{
/** The node to load the data for. */
private TreeImageSet node;
/** The node hosting the experimenter the data are for. */
private TreeImageSet expNode;
/** Handle to the asynchronous call so that we can cancel it. */
private CallHandle handle;
/**
* 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 node The node hosting the plate.
*/
public PlateMeasurementLoader(Browser viewer, SecurityContext ctx,
TreeImageSet expNode, TreeImageSet node)
{
super(viewer, ctx);
if (node == null) throw new IllegalArgumentException("No node set.");
this.expNode = expNode;
this.node = node;
}
/**
* Retrieves the data.
* @see DataBrowserLoader#load()
*/
public void load()
{
ExperimenterData exp = (ExperimenterData) expNode.getUserObject();
DataObject object = (DataObject) node.getUserObject();
handle = mhView.loadROIMeasurement(ctx, object, exp.getId(), this);
}
/**
* Cancels the data loading.
* @see DataBrowserLoader#cancel()
*/
public void cancel() { handle.cancel(); }
/**
* Feeds the result back to the viewer.
* @see DataBrowserLoader#handleResult(Object)
*/
public void handleResult(Object result)
{
if (viewer.getState() == Browser.DISCARDED) return; //Async cancel.
viewer.setLeaves((Collection) result, node, expNode);
}
}