au.com.cybersearch2.dialogs.SyncQuestionDialog.java Source code

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Here is the source code for au.com.cybersearch2.dialogs.SyncQuestionDialog.java

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/**
Copyright (C) 2016  www.cybersearch2.com.au
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/> */
package au.com.cybersearch2.dialogs;

import javax.inject.Inject;
import javax.inject.Named;

import org.eclipse.e4.ui.di.UISynchronize;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Shell;

/**
 * SyncQuestionDialog
 * Launches standard prompt dialog in synchronous UI thread
 * @author Andrew Bowley
 * 10 Mar 2016
 */
public class SyncQuestionDialog {
    /** Synchronizes current thread while executing in the UI-Thread */
    @Inject
    UISynchronize sync;
    /** Active shell */
    @Inject
    @Named(IServiceConstants.ACTIVE_SHELL)
    Shell shell;

    /**
     * Show prompt requiring yes or no response in system dialog
     * @param title The dialog's title
     * @param message The message
     */
    public boolean ask(final String title, final String message) {
        final boolean[] responseHolder = new boolean[1];
        sync.syncExec(new Runnable() {

            @Override
            public void run() {
                responseHolder[0] = MessageDialog.openQuestion(shell, title, message);
            }
        });
        return responseHolder[0];
    }
}