/*******************************************************************************
* Copyright (c) 2012 xored software, Inc.
* 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:
* xored software, Inc. - initial API and implementation (Yuri Strot)
******************************************************************************/
package com.xored.glance.ui.controls.tree;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class BusyIndicatorUtils {
static final String BUSYID_NAME = "SWT BusyIndicator"; //$NON-NLS-1$
static final Integer NO_BUSY = new Integer(0);
public static void withoutIndicator(Display display, Runnable runnable) {
if (runnable == null)
SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (display == null) {
display = Display.getCurrent();
if (display == null) {
runnable.run();
return;
}
}
Shell[] shells = display.getShells();
for (int i = 0; i < shells.length; i++) {
Integer id = (Integer) shells[i].getData(BUSYID_NAME);
if (id == null) {
shells[i].setData(BUSYID_NAME, NO_BUSY);
}
}
try {
runnable.run();
} finally {
shells = display.getShells();
for (int i = 0; i < shells.length; i++) {
Integer id = (Integer) shells[i].getData(BUSYID_NAME);
if (id == NO_BUSY) {
shells[i].setData(BUSYID_NAME, null);
}
}
}
}
}