nl.cloudfarming.client.fleet.machine.MachineDataObject Maven / Gradle / Ivy

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/**
 * Copyright (C) 2008-2012 AgroSense Foundation.
 *
 * AgroSense 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 3 of the License, or
 * (at your option) any later version.
 *
 * There are special exceptions to the terms and conditions of the GPLv3 as it is applied to
 * this software, see the FLOSS License Exception
 * .
 *
 * AgroSense 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 AgroSense.  If not, see .
 */
package nl.cloudfarming.client.fleet.machine;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.IOException;
import javax.swing.Icon;
import nl.cloudfarming.client.fleet.model.Machine;
import nl.cloudfarming.client.fleet.model.MachineManager;
import nl.cloudfarming.client.geoviewer.SimpleLayer;
import nl.cloudfarming.client.model.EntitySavable;
import org.netbeans.api.actions.Savable;
import org.openide.filesystems.FileObject;
import org.openide.loaders.DataObjectExistsException;
import org.openide.loaders.MultiDataObject;
import org.openide.loaders.MultiFileLoader;
import org.openide.util.ImageUtilities;
import org.openide.util.Lookup;
import org.openide.util.lookup.AbstractLookup;
import org.openide.util.lookup.InstanceContent;
import org.openide.util.lookup.ProxyLookup;

/**
 *
 * @author Merijn Zengers 
 */
public class MachineDataObject extends MultiDataObject implements PropertyChangeListener {

    private final InstanceContent ic = new InstanceContent();
    private final Lookup lkp = new AbstractLookup(ic);
    private final Machine machine;
    private final MachineManager machineManager;
    private final static String ICON = "nl/cloudfarming/client/fleet/machine/fleet.png";

    public MachineDataObject(FileObject fo, MultiFileLoader loader, MachineManager machineManager) throws DataObjectExistsException {
        super(fo, loader);
        this.machineManager = machineManager;
        this.machine = machineManager.load(fo);
        ic.add(machine);
        ic.add(machine.getGeometrical());
        ic.add(new SimpleLayer(machine.getName()));
        machine.addPropertyChangeListener(this);
    }

    @Override
    public Lookup getLookup() {
        return new ProxyLookup(super.getLookup(), lkp);
    }
    private static final Icon IMAGE_ICON = ImageUtilities.loadImageIcon(ICON, true);

    @Override
    public void propertyChange(PropertyChangeEvent pce) {
        if (lkp.lookup(Savable.class) == null) {
            this.ic.add(new MachineSavable());
        }
    }

    private class MachineSavable extends EntitySavable {

        public MachineSavable() {
            super(machine, IMAGE_ICON);
            register();
        }

        @Override
        public void handleSave() throws IOException {
            dataObject().machineManager.save(machine);
            destroy();
        }

        /**
         * Cancel the save operation Removes this Savable from the lookup and
         * unregisters
         */
        @Override
        public void destroy() {
            dataObject().ic.remove(MachineSavable.this);
            unregister();
        }

        @Override
        protected String findDisplayName() {
            return machine.getName();
        }

        MachineDataObject dataObject() {
            return MachineDataObject.this;
        }

        @Override
        public boolean equals(Object obj) {
            if (obj instanceof MachineSavable) {
                return dataObject() == ((MachineSavable) obj).dataObject();
            }
            return false;
        }

        @Override
        public int hashCode() {
            return dataObject().hashCode();
        }
    }
}