TimelineProgressMonitor.java

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package edu.rice.cs.hpc.common.ui;

import java.util.concurrent.atomic.AtomicInteger;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.swt.widgets.Shell;

public class TimelineProgressMonitor {

    private AtomicInteger progress;
    private IStatusLineManager statusMgr;
    private IProgressMonitor monitor;
    

    public TimelineProgressMonitor(IStatusLineManager _statusMgr)
    {
        statusMgr = _statusMgr;
        monitor = statusMgr.getProgressMonitor();
        progress = new AtomicInteger();
    }
    
    public void beginProgress(int totalWork, String sMessage, String sTask, Shell shell)
    {
        progress.set(0);
        statusMgr.setMessage(sMessage);
        
        // quick fix to force UI to show the message.
        // we need a smarter way to do this. If the work is small, no need to refresh UI
        //shell.update();
        
        monitor.beginTask(sTask, totalWork);
    }
    
    public void announceProgress()
    {
        progress.getAndIncrement();
    }
    
    public void reportProgress()
    {
        int workDone = progress.getAndSet(0);
        if (workDone > 0)
            monitor.worked(workDone);
    }
    
    public void endProgress()
    {
        monitor.done();
        statusMgr.setMessage(null);
        // shell.update();
    }

}