org.eclipse.gyrex.admin.ui.internal.widgets.NonBlockingMessageDialogs.java Source code

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Here is the source code for org.eclipse.gyrex.admin.ui.internal.widgets.NonBlockingMessageDialogs.java

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/*******************************************************************************
 * Copyright (c) 2012 EclipseSource 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:
 *    EclipseSource - initial API and implementation
 *    Gunnar Wagenknecht - copyed from RAP examples and adapted for Gyrex
 ******************************************************************************/
package org.eclipse.gyrex.admin.ui.internal.widgets;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.rap.rwt.widgets.DialogCallback;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Shell;

public class NonBlockingMessageDialogs {

    // Copy of MessageDialog#getButtonLabels( int )
    private static String[] getButtonLabels(final int kind) {
        String[] dialogButtonLabels;
        switch (kind) {
        case MessageDialog.ERROR:
        case MessageDialog.INFORMATION:
        case MessageDialog.WARNING: {
            dialogButtonLabels = new String[] { IDialogConstants.get().OK_LABEL };
            break;
        }
        case MessageDialog.CONFIRM: {
            dialogButtonLabels = new String[] { IDialogConstants.get().OK_LABEL,
                    IDialogConstants.get().CANCEL_LABEL };
            break;
        }
        case MessageDialog.QUESTION: {
            dialogButtonLabels = new String[] { IDialogConstants.get().YES_LABEL, IDialogConstants.get().NO_LABEL };
            break;
        }
        case MessageDialog.QUESTION_WITH_CANCEL: {
            dialogButtonLabels = new String[] { IDialogConstants.get().YES_LABEL, IDialogConstants.get().NO_LABEL,
                    IDialogConstants.get().CANCEL_LABEL };
            break;
        }
        default: {
            throw new IllegalArgumentException("Illegal value for kind in MessageDialog.open()");
        }
        }
        return dialogButtonLabels;
    }

    private static void open(final int kind, final Shell parent, final String title, final String message,
            final DialogCallback callback) {
        final String[] buttonLabels = getButtonLabels(kind);
        final MessageDialog dialog = new MessageDialog(parent, title, null, message, kind, buttonLabels, 0) {
            /** serialVersionUID */
            private static final long serialVersionUID = 1L;

            @Override
            public boolean close() {
                final boolean result = super.close();
                if (callback != null) {
                    callback.dialogClosed(getReturnCode());
                }
                return result;
            }

            @Override
            protected int getShellStyle() {
                return super.getShellStyle() | SWT.SHEET;
            }
        };
        dialog.setBlockOnOpen(false);
        dialog.open();
    }

    public static void openConfirm(final Shell parent, final String title, final String message,
            final DialogCallback callback) {
        open(MessageDialog.CONFIRM, parent, title, message, callback);
    }

    public static void openError(final Shell parent, final String title, final String message,
            final DialogCallback callback) {
        open(MessageDialog.ERROR, parent, title, message, callback);
    }

    public static void openInformation(final Shell parent, final String title, final String message,
            final DialogCallback callback) {
        open(MessageDialog.INFORMATION, parent, title, message, callback);
    }

    public static void openQuestion(final Shell parent, final String title, final String message,
            final DialogCallback callback) {
        open(MessageDialog.QUESTION, parent, title, message, callback);
    }

    public static void openWarning(final Shell parent, final String title, final String message,
            final DialogCallback callback) {
        open(MessageDialog.WARNING, parent, title, message, callback);
    }

}