public void activate() {
bounds = null;
super.activate();
if (getEditor() != null
&& getViewer() != null
&& getColumn() != null
&& getChart() != null
&& getColumnHead() != null) {
Rectangle b = getPreferredBounds();
Point loc = getViewer().computeToControl(b.getLocation(), true);
getEditor().setInitialLocation(new org.eclipse.swt.graphics.Point(loc.x, loc.y));
getEditor().setInitialSize(new org.eclipse.swt.graphics.Point(b.width, b.height));
}
}
public void deactivate() {
bounds = null;
super.deactivate();
}