public final Image addDecoration(
IPapyrusDecoration pDecoration, int percentageFromSource, int margin, boolean isVolatile) {
// use image registry, see bug 401056
Image image = Activator.getPluginIconImage(Activator.ID, pDecoration.getDecorationImageForGE());
IDecoration decoration =
createDecorationImage(decoratorTarget, image, percentageFromSource, margin, isVolatile);
if (decoration != null) {
decorations.add(decoration);
String message = pDecoration.getMessage();
Label toolTip = getToolTip(message);
if (decoration instanceof Decoration) {
((Decoration) decoration).setToolTip(toolTip);
}
return image;
} else {
return null;
}
}
/**
* Create a decoration based on an image
*
* @param decoratorTarget the decorator target
* @param image the image
* @param position the position
* @param percentageFromSource the percentage from source, only evaluated for edge decorations
* @param margin the margin in pixels from the target position. @See
* org.eclipse.gmf.runtime.diagram.ui.services.decorator.addShapeDecoration: The margin is the
* space, in himetric units, between the shape's edge and the decoration. A positive margin
* will place the figure outside the shape, a negative margin will place the decoration inside
* the shape.
* @param isVolatile the is volatile
* @return the decoration
*/
public final IDecoration createDecorationImage(
IDecoratorTarget decoratorTarget,
Image image,
int percentageFromSource,
int margin,
boolean isVolatile) {
final View view = (View) decoratorTarget.getAdapter(View.class);
org.eclipse.gmf.runtime.diagram.ui.services.decorator.IDecoration decoration = null;
if (view == null || view.eResource() == null || image == null) {
return decoration;
}
EditPart editPart = (EditPart) decoratorTarget.getAdapter(EditPart.class);
if (editPart == null || editPart.getViewer() == null) {
return decoration;
}
if (view instanceof Edge) {
decoration = decoratorTarget.addConnectionDecoration(image, percentageFromSource, isVolatile);
} else {
IPrimaryEditPart primaryEditPart = getPrimaryEditPart(editPart);
if (primaryEditPart != null && primaryEditPart instanceof GraphicalEditPart) {
IFigure parentFig = ((GraphicalEditPart) primaryEditPart).getFigure();
// only support figures with handle bounds
Locator locator = new MultiIconTopRightLocator(parentFig, margin);
// Direction NORTH_EAST will be ignored, since we impose
// "our" locator below
decoration =
decoratorTarget.addShapeDecoration(
image, IDecoratorTarget.Direction.NORTH_EAST, margin, isVolatile);
if (decoration instanceof Decoration) {
((Decoration) decoration).setLocator(locator);
}
}
}
return decoration;
}