/**
* Creates the inner controls
*
* @param parent the parent composite
*/
public void createControl(Composite parent) {
// An swt canvas and lws drawing the figure.
overview = new Canvas(parent, SWT.NONE);
overview.setLayoutData(new GridData(GridData.FILL_BOTH));
// A draw2d object linking swt and draw2d
LightweightSystem lightweightSystem = new LightweightSystem(overview);
// create the thumbnail
thumbnail = new ScrollableThumbnail((Viewport) rootEditPart.getFigure());
thumbnail.setBorder(new MarginBorder(3));
thumbnail.setSource(
rootEditPart.getLayer(LayerConstants.PRINTABLE_LAYERS /* SCALABLE_LAYERS */));
lightweightSystem.setContents(thumbnail);
}
/** {@inheritDoc} */
@Override
public void dispose() {
if (null != thumbnail) {
thumbnail.deactivate();
thumbnail = null;
}
super.dispose();
}
/** {@inheritDoc} */
@Override
public void setVisible(boolean state) {
thumbnail.setVisible(state);
super.setVisible(state);
}