gov.redhawk.ui.views.namebrowser.internal.command.UnbindObject.java Source code

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Here is the source code for gov.redhawk.ui.views.namebrowser.internal.command.UnbindObject.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.ui.views.namebrowser.internal.command;

import gov.redhawk.ui.views.namebrowser.view.BindingNode;
import gov.redhawk.ui.views.namebrowser.view.NameBrowserView;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.progress.UIJob;

public class UnbindObject extends AbstractHandler implements IHandler {

    @Override
    public Object execute(final ExecutionEvent event) throws ExecutionException {
        final ISelection selection = HandlerUtil.getCurrentSelection(event);

        if (selection instanceof IStructuredSelection) {
            final IStructuredSelection sel = (IStructuredSelection) selection;
            final List<BindingNode> unbindList = new ArrayList<BindingNode>();
            for (final Object selected : sel.toList()) {
                if (selected instanceof BindingNode) {
                    unbindList.add((BindingNode) selected);
                }
            }
            final IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
            if (page != null) {
                final NameBrowserView view = (NameBrowserView) page.findView(NameBrowserView.ID);
                if (view != null) {
                    final Job job = new Job("Unbind object") {
                        @Override
                        protected IStatus run(final IProgressMonitor monitor) {
                            monitor.beginTask("Unbinding " + unbindList.size() + " objects",
                                    IProgressMonitor.UNKNOWN);
                            view.unbind(unbindList);
                            return Status.OK_STATUS;
                        }
                    };
                    job.setPriority(UIJob.LONG);
                    job.schedule();
                }
            }
        }

        return null;
    }

}