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Questions tagged [vaadin7]

Vaadin 7 is a legacy version of Vaadin, an open-source Java web application framework. EOL Feb 2019, extended maintenance commercially available until Feb 2029.

Vaadin 7 is a legacy version of Vaadin, an open-source Java web application framework. Free support for Vaadin 7 ended in February 2019, extended maintenance commercially available until February 2029.

Last free release: 7.7.17 (2019-03-11) (Release Notes)

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Vaadin confirm dialog

I need to create a confirm dialog The only thing that looks doable is proceeding via a modal sub window but this is a hassle for a simple question. Is there a better way to implement a confirmation dialog ?
Mouhamed Ndiaye
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Vaadin 7.1 + Spring-Security Integration running in Tomcat Server

Im new on vaadin and spring security, I want to know if anyone had a complete project example of the vaadin 7.1 + spring-security integration running in a tomcat server (not in jetty).
rgaaray
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How can I set the draggable area of my Vaadin widgets

I'm trying to create a simple Dashboard with dragable components in it and I'm a bit stumped on one problem. If I wrap my draggable 'widget' in DragAndDropWrapper and set my layout to recieve drag and drop events, two things happen which I don't…
ac_
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How to catch an exception when filtering a vaadin grid

Using vaadin (7.7.3) I'm filtering a grid by name, this filtering takes a couple seconds to remove the objects from the Grid gui. And so, if I click on that timelapse a row of the Grid which is removed from the Container, it raises an…
Alex
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Vaadin Component as Spring bean

Question: When Vaadin component could be a bean in spring container (@SpringComponent annotation)? Question clarification: I ask this question because I know that Vaadin View could be spring bean after using @SpringView. But if I annotate Button…
jsosnowski
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VAADIN Push not available with tomcat8 embedded

I created a simple test application: import java.util.logging.Logger; import org.apache.catalina.Context; import org.apache.catalina.LifecycleException; import org.apache.catalina.startup.Tomcat; public class Main { private final static Logger…
Supamiu
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Vaadin 7, Atmosphere and Server Push problems

I've started to build a project using the Maven archetype for Vaadin 7.2.4 and am getting a lot of errors thrown up relating to Atmosphere startup issues. As things stand, I won't be able to enable push support which I'd require to use an addon…
rustproofFish
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Which scope to use with vaadin and spring?

I'd like to develop a vaadin application with spring. A user should be able to login and see uer-specific pages. I he comes to the site from a different browser window, it would be handy if the user is still logged in, so preserves the session. Now…
membersound
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Strategy for cross field validation in Vaadin

Field validation works easy enough in Vaadin, but you can't use it to check for relations between fields (e.g. that a joining date must be before a leaving date), which is really annoying. So I added standard class level validation using JSR 303…
Landei
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Using Thread with Vaadin?

I'm trying to use Thread in my project to send emails. When I click on a Button, a Thread is started and a ProgressBar is displayed. As soon as all mails are sent, the ProgressBar doesn't disappear. This is my code: Button btnSendMail = new…
FernandoPaiva
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Setting Vaadin session-timeout parameter

I am using Vaadin 7.1.7 and I can't figure out how to set session-timeout parameter (to, say, 1min). As far as I can tell, Vaadin 7.x.x does not produce web.xml, it uses @VaadinServletConfiguration annotation but there doesn't seem to be a…
user2981406
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JAVA Thread Dump: Too many waiting threads

I'm facing difficulties in analyzing the thread dump of my vaadin 7.0 JAVA application and an integration layer written in spring MVC. There are too many threads in waiting state which is causing applications to slow down during peak hours and…
Bilal Sheikh
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Vaadin 8 Converter behaves different than Vaadin 7 Converter (doesn't update UI)?

TL;DR: Is there in Vaadin 8 something similar to Vaadin 7's converter to update the representation of an input field in the UI? I.e. removing all non-digits from the user-input immediately after the input-field lost focus, or converting a decimal to…
Kevin Cruijssen
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How to refresh a vaadin page with the refresh button

I need to refresh the page in vaadin. I created a Refresh Button but the button is not working for refreshing the page. Button Refresh = new Button("Refresh"); Refresh.addClickListener(new Button.ClickListener() { @Override public void…
dhS
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How does Vaadin work?

Can anybody explain to me how Vaadin's server side Java components work? They seem to do a sync between server-side state with a client-side javascript engine called a "widgetset". Does anybody have a more detailed explanation of Vaadin's…
benstpierre
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