1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 |
- package com.vaadin.tests.minitutorials.v7a3;
-
- import com.vaadin.server.ExternalResource;
- import com.vaadin.server.VaadinRequest;
- import com.vaadin.ui.JavaScript;
- import com.vaadin.ui.JavaScriptFunction;
- import com.vaadin.ui.Link;
- import com.vaadin.ui.Notification;
- import com.vaadin.ui.Notification.Type;
- import com.vaadin.ui.UI;
-
- import elemental.json.JsonArray;
- import elemental.json.JsonException;
-
- public class JSAPIUI extends UI {
- @Override
- public void init(VaadinRequest request) {
-
- JavaScript.getCurrent().addFunction("com.example.api.notify",
- new JavaScriptFunction() {
- @Override
- public void call(JsonArray arguments) {
- try {
- String caption = arguments.getString(0);
- if (arguments.length() == 1) {
- // only caption
- Notification.show(caption);
- } else {
- // type should be in [1]
- Notification.show(caption,
- Type.values()[((int) arguments.getNumber(1))]);
- }
-
- } catch (JsonException e) {
- // We'll log in the console, you might not want to
- JavaScript.getCurrent().execute(
- "console.error('" + e.getMessage() + "')");
- }
- }
- });
-
- setContent(new Link(
- "Send message",
- new ExternalResource(
- "javascript:(function(){com.example.api.notify(prompt('Message'),2);})();")));
- }
- }
|