@Override
public int getLayer(Annotation annotation) {
if (annotation instanceof IAnnotationPresentation) {
IAnnotationPresentation presentation = (IAnnotationPresentation) annotation;
return presentation.getLayer();
}
AnnotationPreference preference = getAnnotationPreference(annotation);
if (preference != null) return preference.getPresentationLayer();
// backward compatibility, ignore exceptions, just return default layer
try {
Method method = annotation.getClass().getMethod("getLayer"); // $NON-NLS-1$
Integer result = (Integer) method.invoke(annotation);
return result.intValue();
} catch (SecurityException x) {
} catch (IllegalArgumentException x) {
} catch (NoSuchMethodException x) {
} catch (IllegalAccessException x) {
} catch (InvocationTargetException x) {
}
return IAnnotationAccessExtension.DEFAULT_LAYER;
}
@Override
public void paint(Annotation annotation, GC gc, Canvas canvas, Rectangle bounds) {
if (annotation instanceof IAnnotationPresentation) {
IAnnotationPresentation presentation = (IAnnotationPresentation) annotation;
presentation.paint(gc, canvas, bounds);
return;
}
AnnotationPreference preference = getAnnotationPreference(annotation);
if (preference != null) {
Object type = getType(annotation);
String annotationType = (type == null ? null : type.toString());
Image image = getImage(annotation, preference, annotationType);
if (image != null) {
ImageUtilities.drawImage(image, gc, canvas, bounds, SWT.CENTER, SWT.TOP);
return;
}
}
// backward compatibility, ignore exceptions, just don't paint
try {
Method method =
annotation
.getClass()
.getMethod(
"paint", new Class[] {GC.class, Canvas.class, Rectangle.class}); // $NON-NLS-1$
method.invoke(annotation, new Object[] {gc, canvas, bounds});
} catch (SecurityException x) {
} catch (IllegalArgumentException x) {
} catch (NoSuchMethodException x) {
} catch (IllegalAccessException x) {
} catch (InvocationTargetException x) {
}
}
