uk.ac.stfc.isis.ibex.ui.dae.run.ActionButton.java Source code

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Here is the source code for uk.ac.stfc.isis.ibex.ui.dae.run.ActionButton.java

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/*
* This file is part of the ISIS IBEX application.
* Copyright (C) 2012-2015 Science & Technology Facilities Council.
* All rights reserved.
*
* This program is distributed in the hope that it will be useful.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution.
* EXCEPT AS EXPRESSLY SET FORTH IN THE ECLIPSE PUBLIC LICENSE V1.0, THE PROGRAM 
* AND ACCOMPANYING MATERIALS ARE PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES 
* OR CONDITIONS OF ANY KIND.  See the Eclipse Public License v1.0 for more details.
*
* You should have received a copy of the Eclipse Public License v1.0
* along with this program; if not, you can obtain a copy from
* https://www.eclipse.org/org/documents/epl-v10.php or 
* http://opensource.org/licenses/eclipse-1.0.php
*/

package uk.ac.stfc.isis.ibex.ui.dae.run;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;

import uk.ac.stfc.isis.ibex.model.Action;

public class ActionButton extends Button {

    public ActionButton(Composite parent, int style, Action action) {
        super(parent, style);

        if (action != null) {
            bind(action);
        }
    }

    @Override
    protected void checkSubclass() {
        // Allow sub-classing
    }

    private void bind(final Action action) {
        DataBindingContext bindingContext = new DataBindingContext();
        bindingContext.bindValue(WidgetProperties.enabled().observe(this),
                BeanProperties.value("canExecute").observe(action));

        addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                action.execute();
            }
        });
    }
}