private void bind() { workspace .getExecuteButton() .addClickHandler( new ClickHandler() { @Override public void onClick(ClickEvent event) { execute(); } }); workspace .getSaveButton() .addClickHandler( new ClickHandler() { @Override public void onClick(ClickEvent event) { save(); } }); workspace .getStopButton() .addClickHandler( new ClickHandler() { @Override public void onClick(ClickEvent event) { scheduler.togglePlayPause(); } }); }