org.gumtree.gumnix.sics.batch.ui.views.LineScriptView.java Source code

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Here is the source code for org.gumtree.gumnix.sics.batch.ui.views.LineScriptView.java

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/*****************************************************************************
 * Copyright (c) 2007 Australian Nuclear Science and Technology Organisation.
 * 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
 *
 * Contributors:
 *     Tony Lam (Bragg Institute) - initial API and implementation
 *****************************************************************************/

package org.gumtree.gumnix.sics.batch.ui.views;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Text;
import org.gumtree.gumnix.sics.batch.ui.commands.LineScriptCommand;

public class LineScriptView extends AbstractSicsCommandView<LineScriptCommand> {

    private DataBindingContext bindingContext;

    private Text text;

    @Override
    public void createPartControl(Composite parent, LineScriptCommand command) {
        GridLayoutFactory.fillDefaults().margins(0, 0).applyTo(parent);
        text = getToolkit().createText(parent, "", SWT.BORDER);
        text.setToolTipText("Enter script");
        GridDataFactory.fillDefaults().grab(true, false).applyTo(text);

        /*********************************************************************
         * Data binding
         *********************************************************************/
        Realm.runWithDefault(SWTObservables.getRealm(Display.getDefault()), new Runnable() {
            public void run() {
                bindingContext = new DataBindingContext();
                bindingContext.bindValue(SWTObservables.observeText(text, SWT.Modify),
                        BeansObservables.observeValue(getCommand(), "text"), new UpdateValueStrategy(),
                        new UpdateValueStrategy());
            }
        });
    }

    public void dispose() {
        if (bindingContext != null) {
            bindingContext.dispose();
            bindingContext = null;
        }
        text = null;
        super.dispose();
    }

}