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Questions tagged [vaadin8]

Vaadin 8 is the last primarily GWT-based version of Vaadin, an open-source Java web application framework. EOL Feb 2022, extended maintenance commercially available until Feb 2032.

Vaadin 8 is the last primarily GWT-based version of Vaadin, an open-source Java web application framework. Free support for Vaadin 8 ends in February 2022, extended maintenance commercially available until February 2032.

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Can not compile simple Vaadin widgetset.

I created simple vaadin application and tried create my vaadin widget module. File widget structure following: client TestConnector TestWidget Test WidgetSet.gwt.xml MyUI //vaadin UI Content of this files following: 1) TestConnector package…
Alexey
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Vaadin Designer: Grid Layout unusable?

I find the Grid Layout in Vaadin Designer very buggy. Question: Is anyone out there using it? Do you have some tips for me? Background: I am porting an application from ASP.NET to Vaadin. There are tons of forms that were layouted in Visual Studio…
Reto Höhener
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Vaadin: How to make a custom ajax call from generated HTML table?

I present data by generating the table HTML by hand and setting it to a Vaadin Label in ContentMode.HTML (not using Vaadin Table/Grid). I want to generate a link or a button in each row that will cause a server call to the same View (and pass the…
Reto Höhener
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Vaadin UI done or documentReady event

Is there any way to detect all Vaadin components, html, elements are loaded and rendered in UI. For devMode in browser console ... com.vaadin.client.communication.MessageHandler INFO: Referenced paintables: ... as info. After this i want to push…
tsogtgerel.ts
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Common event handler for a group of components

VerticalLayout group = new VerticalLayout(new TextField("field-01"), new TextField("field-02")); group.addListener((Component.Listener) e -> System.out.println("catch event:$e")); i see only attach events,…
Sotona
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JavaScriptComponentState in Vaadin 8

I am trying to import com.vaadin.shared.ui.JavaScriptComponentState. I used this import in vaadin 7, but when I update to vaadin 8 I can't do this anymore. I am using vaadin bom 8.0.3 in the pom. Any hints what I am doing wrong here? import…
hhwwww
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Issues converting a project from Vaadin 7 to Vaadin 8 with plugins that are using Vaadin 7

I am converting a Vaadin 8 project to 7. When I run the app the following messages is displayed: Widgetset 'com.vaadin.DefaultWidgetSet' does not contain an implementation for com.vaadin.v7.ui.ProgressBar. Check the connector's @Connect…
KRico
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Why addClickListener is not reconized?

I know it's a basic question... But I'm still learning and I don't know what's happening ! I created a vaadin 8 project with Eclipse. I used this link to create some components :…
Bob
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Authenticate users with OAuth 2 in a Vaadin 8 web app?

With Vaadin 8 being released and so much of the framework’s API changing, I wonder: Is OAuth 2 still the modern way to access 3rd-party authentication services such as "Sign-in" with Google, Facebook, Microsoft, etc. ? If so, does Vaadin 8 support…
Basil Bourque
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NoClassDefFoundError with Vaadin 8 Push and Spring Boot version 1.5.1

I am getting the below error when Vaadin 8 Push enabled with Spring Boot version 1.5.1.RELEASE. java.lang.NoClassDefFoundError: org/springframework/boot/context/embedded/ServletListenerRegistrationBean at…
turgos
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Vaadin websocket not upgrading in version 8

See error from console: WebSocket connection to…
Pschmeltz
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Vaadin upload not working for same filename

I am trying to upload .xlsx file using Vaadin Upload, When I am upload the same file again nothing is happening, it does not fire any events too. For first time I can upload file, and it works very fine, but after that when I am trying to upload the…
SatheeshRaj
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Vaadin 8 - Video Component Does Not Load Or Delays Loading

I have a simple method below that tries to play a conventional Video component. When trying to load a video using an ExternalResource (the videos come from either Youtube or an external link of another website) in a Window component, the window…
Melvin Mah
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Unable to increase the width of Grid in Vaadin 8

public MyTabbedForm() { this.refresh = new Button(""); this.refresh.addClickListener(buttonClickEvent -> { this.grid.setItems(getCompany()); }); this.grid = new Grid<>(); …
nayansFosgit
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How to mobile-friendly menubar in vaadin 8?

i saw on the vaadin demo website on the sampler a menubar which gets an icon at the end of it when its getting smaller. But there is no sourcecode which shows me how to do this. Does anyone know how they made…
Mr. T
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