/home/ythoma/docs/math2mat/svn/wp1/framework/m2mGUI/src/m2m/frontend/view/ImageViewer.java

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package m2m.frontend.view;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.part.ViewPart;

public class ImageViewer extends ViewPart {
        public static final String ID = "m2mgui.view.imageViewer";

        private Image myImage = null;
        private Canvas canvas;
        private ScrolledComposite scrolledComp;
        
        @Override
        public void createPartControl(Composite parent)
        {
                parent.setLayout(new FillLayout());
        scrolledComp = new ScrolledComposite(parent, SWT.H_SCROLL | SWT.V_SCROLL);
        canvas = new Canvas(scrolledComp, SWT.NONE);
        }

        private boolean first=true;
        
        public void setImage (String sImage) {
                setPartName(sImage.substring(sImage.replace("\\", "/").lastIndexOf("/")+1));
                myImage = new Image(null, sImage);
        canvas.setSize(myImage.getBounds().width+30, myImage.getBounds().height+30);
        
        if (first) {
                first=false;
                scrolledComp.setContent(canvas);
                canvas.addPaintListener(new PaintListener() {
                        public void paintControl(PaintEvent e){
                                GC gc = e.gc;
                                gc.drawImage(myImage,10,10);
                        }
                });
        }
        }
        
        @Override
        public void setFocus() {
                // TODO Auto-generated method stub
        }
}