public GenerateWidget() {
buttonPanel = new HorizontalPanel();
generatebutton = new Button("Generate Report");
buttonPanel.add(generatebutton);
generatebutton.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent event) {
generatePdf();
}
});
initWidget(buttonPanel);
Controller.getInstance().addPdfObserver(this);
}
private void generatePdf() {
Controller.getInstance().generatePdf();
}