cl.utfsm.acs.acg.gui.actions.LoadFromCDBActionDelegate.java Source code

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Here is the source code for cl.utfsm.acs.acg.gui.actions.LoadFromCDBActionDelegate.java

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/*
 *    ALMA - Atacama Large Millimeter Array
 *    (c) Universidad Tecnica Federico Santa Maria, 2009
 *    Copyright by ESO (in the framework of the ALMA collaboration),
 *    All rights reserved
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation; either
 *    version 2.1 of the License, or (at your option) any later version.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
 *    MA 02111-1307  USA
 */
package cl.utfsm.acs.acg.gui.actions;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

import cl.utfsm.acs.acg.core.AlarmSystemManager;
import cl.utfsm.acs.acg.gui.IMyViewPart;

/**
 * @author rtobar
 *
 */
public class LoadFromCDBActionDelegate implements IWorkbenchWindowActionDelegate {

    private IWorkbenchWindow _window;

    @Override
    public void dispose() {

    }

    @Override
    public void init(IWorkbenchWindow window) {
        _window = window;
    }

    @Override
    public void run(IAction action) {

        if (_window == null)
            return;

        boolean confirmLoad;
        confirmLoad = MessageDialog.openQuestion(_window.getShell(), "Load from CDB",
                "Load contents from the CDB?");

        if (!confirmLoad)
            return;

        final Display display = _window.getShell().getDisplay();

        new Thread(new Runnable() {

            public void run() {

                display.syncExec(new Runnable() {
                    public void run() {
                        // Disable all views
                        IViewReference[] views = _window.getActivePage().getViewReferences();
                        for (int i = 0; i < views.length; i++) {
                            if (views[i].getView(false) instanceof IMyViewPart)
                                ((IMyViewPart) views[i].getView(false)).setEnabled(false);
                        }
                    }
                });

                // Reload information from the CDB
                AlarmSystemManager.getInstance().loadFromCDB();

                display.asyncExec(new Runnable() {
                    public void run() {
                        // Enable all views, and reload their contents
                        IViewReference[] views = _window.getActivePage().getViewReferences();
                        for (int i = 0; i < views.length; i++) {
                            if (views[i].getView(false) instanceof IMyViewPart) {
                                IMyViewPart view = ((IMyViewPart) views[i].getView(false));
                                view.setEnabled(true);
                                view.refreshContents();
                            }
                        }
                    }
                });

            }

        }).start();

    }

    @Override
    public void selectionChanged(IAction action, ISelection selection) {

    }

}