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/*******************************************************************************
* Copyright (c) 2010 BSI Business Systems Integration AG.
* 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:
* BSI Business Systems Integration AG - initial API and implementation
******************************************************************************/
package org.eclipse.scout.rt.ui.rap.busy;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.scout.commons.logger.IScoutLogger;
import org.eclipse.scout.commons.logger.ScoutLogManager;
import org.eclipse.scout.rt.client.IClientSession;
import org.eclipse.scout.rt.client.busy.BusyJob;
import org.eclipse.scout.rt.ui.rap.window.IRwtScoutPart;
import org.eclipse.scout.rt.ui.rap.window.dialog.RwtScoutDialog;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
/**
* Default RWT busy handler for a {@link IClientSession}
*
* @author imo
* @since 3.8
*/
public class WaitForBlockingJob extends BusyJob {
private static final IScoutLogger LOG = ScoutLogManager.getLogger(WaitForBlockingJob.class);
private List<IRwtScoutPart> m_parts;
public WaitForBlockingJob(String name, RwtBusyHandler handler) {
super(name, handler);
}
@Override
protected RwtBusyHandler getBusyHandler() {
return (RwtBusyHandler) super.getBusyHandler();
}
/**
* Show a wait cursor until long operation timeout
*/
@Override
protected void runBusy(final IProgressMonitor monitor) {
Display display = getBusyHandler().getDisplay();
final Control busyControl = (Control) getBusyHandler().getUiEnvironment().getClientSession().getData(RwtBusyHandler.BUSY_CONTROL_CLIENT_SESSION_KEY);
try {
if (display != null && !display.isDisposed()) {
display.syncExec(new Runnable() {
@Override
public void run() {
m_parts = findAffectedParts();
if (busyControl != null && !busyControl.isDisposed()) {
busyControl.setVisible(true);
}
}
});
}
//
super.runBusy(monitor);
}
finally {
if (display != null && !display.isDisposed()) {
display.asyncExec(new Runnable() {
@Override
public void run() {
if (busyControl != null && !busyControl.isDisposed()) {
busyControl.setVisible(false);
}
}
});
}
}
}
@Override
protected void runBlocking(IProgressMonitor monitor) {
//schedule blocking job
new BlockPartsJob(getName(), getBusyHandler(), m_parts).schedule();
}
/**
* @return all affected parts in the same swt / scout environment (user session). The first part is the active part
* and may be null.
*/
protected List<IRwtScoutPart> findAffectedParts() {
ArrayList<IRwtScoutPart> candidateParts = new ArrayList<IRwtScoutPart>();
for (IRwtScoutPart part : getBusyHandler().getUiEnvironment().getOpenFormParts()) {
if (isDialogPart(part) || isViewOrEditorPart(part)) {
candidateParts.add(part);
}
}
ArrayList<IRwtScoutPart> affectedParts = new ArrayList<IRwtScoutPart>();
//find an active dialog, it would be the only affected item
for (IRwtScoutPart part : candidateParts) {
if (part.isActive() && isDialogPart(part)) {
affectedParts.add(part);
return affectedParts;
}
}
//find a visible dialog, it would be the only affected item
for (IRwtScoutPart part : candidateParts) {
if (part.isActive() && isDialogPart(part)) {
affectedParts.add(part);
return affectedParts;
}
}
//find an active view, also all other views are affected
for (IRwtScoutPart part : candidateParts) {
if (part.isActive() && isViewOrEditorPart(part)) {
affectedParts.addAll(candidateParts);
affectedParts.remove(part);
affectedParts.add(0, part);
return affectedParts;
}
}
//all views are affected, none shows a cancel button
affectedParts.add(null);
affectedParts.addAll(candidateParts);
return affectedParts;
}
public static boolean isDialogPart(IRwtScoutPart part) {
return (part instanceof RwtScoutDialog);
}
public static boolean isViewOrEditorPart(IRwtScoutPart part) {
return part != null && !part.getClass().getSimpleName().contains("Popup");
}
protected List<IRwtScoutPart> getParts() {
return m_parts;
}
}
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