eu.geclipse.traceview.internal.SourceLineEventMarker.java Source code

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Here is the source code for eu.geclipse.traceview.internal.SourceLineEventMarker.java

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/*****************************************************************************
 * Copyright (c) 2009 g-Eclipse Consortium 
 * 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
 *
 * Initial development of the original code was made for the
 * g-Eclipse project founded by European Union
 * project number: FP6-IST-034327  http://www.geclipse.eu/
 *
 * Contributors:
 *    Christof Klausecker - MNM-Team, LMU Munich
 *****************************************************************************/

package eu.geclipse.traceview.internal;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;

import eu.geclipse.traceview.IEvent;
import eu.geclipse.traceview.IEventMarker;
import eu.geclipse.traceview.ISourceLocation;
import eu.geclipse.traceview.utils.AbstractEventMarker;

public class SourceLineEventMarker extends AbstractEventMarker {
    private Set<IEvent> selectedEvents = new HashSet<IEvent>();
    private final Color bgColor = Display.getDefault().getSystemColor(SWT.COLOR_CYAN);
    private final Color fgColor = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);

    public SourceLineEventMarker() {
        ISelectionService selectionService = PlatformUI.getWorkbench().getActiveWorkbenchWindow()
                .getSelectionService();
        selectionService.addSelectionListener("eu.geclipse.traceview.views.TraceView", //$NON-NLS-1$
                new ISelectionListener() {
                    public void selectionChanged(final IWorkbenchPart part, final ISelection selection) {
                        StructuredSelection sSel = (StructuredSelection) selection;
                        SourceLineEventMarker.this.selectedEvents = new HashSet<IEvent>();
                        for (Object obj : sSel.toList()) {
                            if (obj instanceof ISourceLocation) {
                                IEvent event = (IEvent) obj;
                                SourceLineEventMarker.this.selectedEvents.add(event);
                            }
                        }
                    }
                });
    }

    @Override
    public Color getBackgroundColor(final int type) {
        return bgColor;
    }

    @Override
    public Color getForegroundColor(final int type) {
        return fgColor;
    }

    @Override
    public int mark(final IEvent event) {
        int result = 0;
        if (event instanceof ISourceLocation) {
            ISourceLocation sourceLocation = (ISourceLocation) event;
            for (IEvent selectedEvent : this.selectedEvents) {
                ISourceLocation selectedISourceLocation = (ISourceLocation) selectedEvent;
                if (sourceLocation.getSourceFilename() != null
                        && sourceLocation.getSourceFilename().equals(selectedISourceLocation.getSourceFilename())
                        && sourceLocation.getSourceLineNumber() == selectedISourceLocation.getSourceLineNumber()
                        && event.getProcess().getTrace() == selectedEvent.getProcess().getTrace()) {
                    result = IEventMarker.Ellipse_Event;
                    break;
                }
            }
        }
        return result;
    }
}