protected void executePictogramHandler(final Pictogram pictogram, MouseEvent mouseEvent) {
final IHandler handler = pictogram.getHandler();
final ExecutionEvent executionEvent = createExecutionEvent(mouseEvent);
if (pictogram.getHandlerContextValidator().isValidContext(executionEvent)) {
try {
handler.execute(executionEvent);
} catch (final ExecutionException e) {
e.printStackTrace();
}
}
}
protected void updatePictogramFigureStates() {
// enable/disable figures dependent on the execution context
for (final Pictogram pictogram : pictogramFigures.keySet()) {
final PictogramFigure pictogramFigure = pictogramFigures.get(pictogram);
final boolean validContext =
pictogram.getHandlerContextValidator().isValidContext(createExecutionEvent(null));
pictogramFigure.setVisible(validContext);
pictogramFigure.repaint();
}
}
