gov.redhawk.sca.internal.ui.ScaDomainManagerDecorator.java Source code

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Here is the source code for gov.redhawk.sca.internal.ui.ScaDomainManagerDecorator.java

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/**
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 * 
 * This file is part of REDHAWK IDE.
 * 
 * All rights reserved.  This program and the accompanying materials are made available under 
 * the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html.
 *
 */
package gov.redhawk.sca.internal.ui;

import gov.redhawk.model.sca.ScaDomainManager;
import gov.redhawk.model.sca.ScaPackage;
import gov.redhawk.model.sca.ScaWaveformFactory;
import gov.redhawk.model.sca.commands.ScaModelCommand;
import gov.redhawk.sca.ui.ScaUiPlugin;
import gov.redhawk.sca.ui.ScaUiPluginImages;

import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.jface.viewers.IDecoration;
import org.eclipse.jface.viewers.ILightweightLabelDecorator;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.LabelProviderChangedEvent;

public class ScaDomainManagerDecorator extends LabelProvider implements ILightweightLabelDecorator {

    /** The adapter. */
    private final Adapter adapter = new AdapterImpl() {
        @Override
        public void notifyChanged(final Notification msg) {
            if (ScaDomainManagerDecorator.this.disposed) {
                if (msg.getNotifier() instanceof Notifier) {
                    ((Notifier) msg.getNotifier()).eAdapters().remove(this);
                }
                return;
            }
            if (msg.isTouch()) {
                return;
            }

            switch (msg.getFeatureID(ScaWaveformFactory.class)) {
            case ScaPackage.SCA_DOMAIN_MANAGER__STATE:
                fireStatusChanged(msg.getNotifier());
                break;
            default:
                break;
            }
            super.notifyChanged(msg);
        }
    };

    private boolean disposed;

    private void fireStatusChanged(final Object object) {
        final LabelProviderChangedEvent event = new LabelProviderChangedEvent(this, object);
        fireLabelProviderChanged(event);
    }

    @Override
    public void decorate(final Object element, final IDecoration decoration) {
        if (element instanceof ScaDomainManager) {
            ScaUiPlugin.getDefault().getImageRegistry().getDescriptor(ScaUiPluginImages.IMG_DEFAULT_DOMAIN_OVR);

            final ScaDomainManager domMgr = (ScaDomainManager) element;
            ScaModelCommand.execute(domMgr, new ScaModelCommand() {

                @Override
                public void execute() {
                    if (!domMgr.eAdapters().contains(adapter)) {
                        domMgr.eAdapters().add(ScaDomainManagerDecorator.this.adapter);
                    }
                }

            });

            switch (domMgr.getState()) {
            case CONNECTED:
                decoration.addSuffix(" CONNECTED");
                break;
            case DISCONNECTED:
                decoration.addSuffix(" DISCONNECTED");
                break;
            case DISCONNECTING:
                decoration.addSuffix(" DISCONNECTING");
                break;
            case CONNECTING:
                decoration.addSuffix(" CONNECTING");
                break;
            case FAILED:
                decoration.addSuffix(" FAILED");
                break;
            default:
                break;
            }
        }
    }

    @Override
    public void dispose() {
        super.dispose();
        this.disposed = true;
    }

}