HPCSummaryView.java

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package edu.rice.cs.hpc.traceviewer.summary;

import java.util.Map;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.ISourceProvider;
import org.eclipse.ui.ISourceProviderListener;
import org.eclipse.ui.services.ISourceProviderService;

import edu.rice.cs.hpc.traceviewer.services.DataService;
import edu.rice.cs.hpc.traceviewer.spaceTimeData.SpaceTimeDataController;
import edu.rice.cs.hpc.traceviewer.ui.AbstractTimeView;

/*************************************************************************
 * 
 * View part of the summary window 
 *
 *************************************************************************/
public class HPCSummaryView extends AbstractTimeView
{

    public static final String ID = "hpcsummaryview.view";
    
    SummaryTimeCanvas summaryCanvas;
    
    public void createPartControl(Composite master)
    {
        /*************************************************************************
         * Master Composite
         */
        
        master.setLayout(new GridLayout());
        master.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        
        /*************************************************************************
         * Summary View Canvas
         */
        
        summaryCanvas = new SummaryTimeCanvas(master);
        summaryCanvas.setLayout(new GridLayout());
        summaryCanvas.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        summaryCanvas.setVisible(false);
        
        setListener();
        super.addListener();
    }
    
    private void setListener() {
        ISourceProviderService service = (ISourceProviderService)getSite().getService(ISourceProviderService.class);
        ISourceProvider serviceProvider = service.getSourceProvider(DataService.DATA_UPDATE);
        serviceProvider.addSourceProviderListener( new ISourceProviderListener(){

            public void sourceChanged(int sourcePriority, Map sourceValuesByName) { }
            public void sourceChanged(int sourcePriority, String sourceName,
                    Object sourceValue) {
                // eclipse bug: even if we set a very specific source provider, eclipse still
                //  gather event from other source. we then require to put a guard to avoid this.
                if (sourceName.equals(DataService.DATA_UPDATE)) {
                    summaryCanvas.redraw();
                }
            }
        });
    }

    public void updateView(SpaceTimeDataController dataTraces)
    {
        summaryCanvas.updateData(dataTraces);
    }
    
    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
     */
    public void setFocus() 
    {
        summaryCanvas.setFocus();
    }

    @Override
    public void active(boolean isActive) 
    {
        summaryCanvas.activate(isActive);
    }

}