241 lines
6.0 KiB
Java
241 lines
6.0 KiB
Java
/*******************************************************************************
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* Copyright (c) 2015 MINRES Technologies GmbH and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* MINRES Technologies GmbH - initial API and implementation
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*******************************************************************************/
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package com.minres.scviewer.e4.application.internal.status;
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import javax.annotation.PostConstruct;
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import javax.annotation.PreDestroy;
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import javax.inject.Inject;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.NullProgressMonitor;
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import org.eclipse.core.runtime.jobs.IJobChangeEvent;
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import org.eclipse.core.runtime.jobs.Job;
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import org.eclipse.core.runtime.jobs.JobChangeAdapter;
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import org.eclipse.core.runtime.jobs.ProgressProvider;
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import org.eclipse.e4.core.di.annotations.Optional;
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import org.eclipse.e4.ui.di.UIEventTopic;
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import org.eclipse.e4.ui.di.UISynchronize;
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import org.eclipse.e4.ui.model.application.ui.menu.MToolControl;
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import org.eclipse.e4.ui.workbench.modeling.EModelService;
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import org.eclipse.jface.action.StatusLineManager;
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import org.eclipse.swt.widgets.Composite;
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import org.osgi.service.prefs.PreferencesService;
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import com.minres.scviewer.e4.application.AppModelId;
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/**
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* The Class StatusBarControl.
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*/
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public class StatusBarControl {
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/** The Constant STATUS_UPDATE. */
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public static final String STATUS_UPDATE="StatusUpdate"; //$NON-NLS-1$
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/** The model service. */
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@Inject EModelService modelService;
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/** The osgi preverences. */
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@Inject @Optional PreferencesService osgiPreverences;
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/** The sync. */
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private final UISynchronize sync;
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/** The manager. */
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protected StatusLineManager manager;
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/** The monitor. */
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private SyncedProgressMonitor monitor;
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/**
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* Instantiates a new status bar control.
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*
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* @param sync the sync
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*/
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@Inject
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public StatusBarControl(UISynchronize sync) {
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this.sync=sync;
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manager = new StatusLineManager();
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manager.update(true);
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}
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/**
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* Creates the widget.
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*
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* @param parent the parent
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* @param toolControl the tool control
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*/
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@PostConstruct
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void createWidget(Composite parent, MToolControl toolControl) {
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if (toolControl.getElementId().equals(AppModelId.TOOLCONTROL_ORG_ECLIPSE_UI_STATUSLINE)) { //$NON-NLS-1$
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createStatusLine(parent, toolControl);
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} else if (toolControl.getElementId().equals(AppModelId.TOOLCONTROL_ORG_ECLIPSE_UI_HEAPSTATUS)) { //$NON-NLS-1$
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new HeapStatus(parent, osgiPreverences.getSystemPreferences());
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}
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}
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/**
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* Destroy.
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*/
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@PreDestroy
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void destroy() {
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if (manager != null) {
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manager.dispose();
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manager = null;
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}
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}
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/**
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* Creates the status line.
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*
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* @param parent the parent
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* @param toolControl the tool control
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*/
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private void createStatusLine(Composite parent, MToolControl toolControl) {
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// IEclipseContext context = modelService.getContainingContext(toolControl);
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manager.createControl(parent);
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monitor=new SyncedProgressMonitor(manager.getProgressMonitor());
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Job.getJobManager().setProgressProvider(new ProgressProvider() {
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@Override
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public IProgressMonitor createMonitor(Job job) {
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return monitor.addJob(job);
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}
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});
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}
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/**
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* Gets the status event.
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*
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* @param text the text
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* @return the status event
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*/
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@Inject @Optional
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public void getStatusEvent(@UIEventTopic(STATUS_UPDATE) String text) {
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if(manager!=null ){
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manager.setMessage(text);
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}
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}
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/**
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* The Class SyncedProgressMonitor.
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*/
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private final class SyncedProgressMonitor extends NullProgressMonitor {
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/** The progress bar. */
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private IProgressMonitor progressBar;
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/**
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* Instantiates a new synced progress monitor.
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*
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* @param iProgressMonitor the progress bar
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*/
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public SyncedProgressMonitor(IProgressMonitor iProgressMonitor) {
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super();
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this.progressBar = iProgressMonitor;
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}
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/* (non-Javadoc)
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* @see org.eclipse.core.runtime.NullProgressMonitor#beginTask(java.lang.String, int)
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*/
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@Override
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public void beginTask(final String name, final int totalWork) {
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sync.asyncExec(new Runnable() {
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@Override
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public void run() {
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progressBar.beginTask(name, totalWork);
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}
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});
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}
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/**
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* This implementation does nothing.
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* Subclasses may override this method to do something
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* with the name of the task.
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*
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* @see IProgressMonitor#setTaskName(String)
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*/
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@Override
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public void setTaskName(String name) {
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sync.asyncExec(new Runnable() {
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@Override
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public void run() {
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progressBar.setTaskName(name);
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}
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});
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}
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/**
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* This implementation does nothing.
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* Subclasses may override this method to do interesting
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* processing when a subtask begins.
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*
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* @see IProgressMonitor#subTask(String)
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*/
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@Override
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public void subTask(String name) {
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sync.asyncExec(new Runnable() {
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@Override
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public void run() {
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progressBar.subTask(name);
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}
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});
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}
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/* (non-Javadoc)
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* @see org.eclipse.core.runtime.NullProgressMonitor#worked(int)
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*/
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@Override
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public void worked(final int work) {
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sync.asyncExec(new Runnable() {
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@Override
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public void run() {
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progressBar.worked(work);
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}
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});
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}
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@Override
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public void done() {
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sync.asyncExec(new Runnable() {
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@Override
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public void run() {
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progressBar.done();
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}
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});
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}
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/**
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* Adds the job.
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*
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* @param job the job
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* @return the i progress monitor
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*/
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public IProgressMonitor addJob(Job job){
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if(job != null){
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job.addJobChangeListener(new JobChangeAdapter() {
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@Override
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public void done(final IJobChangeEvent event) {
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sync.asyncExec(new Runnable() {
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@Override
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public void run() {
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if(event.getResult()==null) return;
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if(!event.getResult().isOK())
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progressBar.done();
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}
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});
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// clean-up
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event.getJob().removeJobChangeListener(this);
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}
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});
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}
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return this;
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}
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}
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} |