org.tigris.subversion.subclipse.ui.util.SimpleDialogsHelper.java Source code

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Here is the source code for org.tigris.subversion.subclipse.ui.util.SimpleDialogsHelper.java

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/*******************************************************************************
 * Copyright (c) 2005, 2006 Subclipse project and others.
 * 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:
 *     Subclipse project committers - initial API and implementation
 ******************************************************************************/
package org.tigris.subversion.subclipse.ui.util;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.tigris.subversion.subclipse.core.util.ISimpleDialogsHelper;
import org.tigris.subversion.subclipse.ui.SVNUIPlugin;
import org.eclipse.swt.graphics.Image;

/**
 *   
 *   This class is a dialog helper class for the core package.
 *  It's made availabe for core thru SVNProviderPlugin.getSimpleDialogsHelper().
 *   New simple dialogs should be added here so the minimum of glue is needed for
 *  every new dialog. Remember to update the ISimpleDialogsHelper interface. 
 * 
 * @author Magnus Naeslund (mag@kite.se)
 * @see org.tigris.subversion.subclipse.core.util.ISimpleDialogsHelper 
 * @see org.tigris.subversion.subclipse.core.SVNProviderPlugin#getSimpleDialogsHelper()
 */

public class SimpleDialogsHelper implements ISimpleDialogsHelper {

    public boolean promptYesNo(String title, String question, boolean yesIsDefault) {
        MessageDialogRunnable mdr = new MessageDialogRunnable(null, title, null, question, MessageDialog.QUESTION,
                new String[] { IDialogConstants.YES_LABEL, IDialogConstants.NO_LABEL }, yesIsDefault ? 0 : 1);
        SVNUIPlugin.getStandardDisplay().syncExec(mdr);
        return mdr.getResult() == 0;
    }

    public boolean promptYesCancel(String title, String question, boolean yesIsDefault) {
        MessageDialogRunnable mdr = new MessageDialogRunnable(null, title, null, question, MessageDialog.QUESTION,
                new String[] { IDialogConstants.YES_LABEL, IDialogConstants.CANCEL_LABEL }, yesIsDefault ? 0 : 1);
        SVNUIPlugin.getStandardDisplay().syncExec(mdr);
        return mdr.getResult() == 0;
    }

    /**
     * 
     * This should be reused for all MessageDialog type of dialogs.
     * 
     * @author mag
     *
     */

    private static class MessageDialogRunnable implements Runnable {
        final Shell shell;
        final String title, message;
        final Image image;
        final int imageType, defaultButton;
        final String buttonLabels[];
        int result;

        /**
         * 
         * @param shell if null, it's Display.getCurrent().getActiveShell()
         * @param title
         * @param image can be null
         * @param message
         * @param imageType
         * @param buttonLabels
         * @param defaultButton
         */

        MessageDialogRunnable(Shell shell, String title, Image image, String message, int imageType,
                String buttonLabels[], int defaultButton) {
            this.shell = shell;
            this.title = title;
            this.image = image;
            this.message = message;
            this.imageType = imageType;
            this.buttonLabels = buttonLabels;
            this.defaultButton = defaultButton;
        }

        public void run() {
            result = new MessageDialog(shell != null ? shell : Display.getCurrent().getActiveShell(), title, image,
                    message, imageType, buttonLabels, defaultButton).open();
        }

        public int getResult() {
            return result;
        }
    }

}