vaadin-flow Questions
2
Solved
I develop webapps with vaadin and flow for some time now (together with spring boot) and just stumbled across hilla, a new vaadin 'addon' or project... (www.hilla.dev).
I know that flow and vaadin ...
Osteen asked 12/3, 2022 at 14:10
3
Solved
I would like to do custom theme variations for my Vaadin 20 app. For that I am going to give custom values to Lumo CSS variables available, like --lumo-base-color and --lumo-primary-color. The prob...
Judge asked 11/5, 2021 at 7:57
1
Solved
I used the Plain Java starter app from the Hello World Starters page of downloads.
I updated its Maven POM to the latest versions of dependencies. So Vaadin 23.3.1, Java 19, jetty-maven-plugin 10.0...
Periodical asked 24/12, 2022 at 3:4
4
Solved
In Vaadin 10-14, where should I place my static files, such as CSS, JavaScript, and Polymer templates? How about static files such as images?
Also, how do I import these files in Vaadin? Is there ...
Keffer asked 19/8, 2019 at 9:31
1
Using Vaadin 22+
I'm trying to display some dynamic html in a Vaadin Grid, using a LitRenderer.
This could previously be achieved using the now-deprecated TemplateRenderer using this hack
var templ...
Boar asked 1/3, 2022 at 1:33
7
Solved
I used the Get Started page to create a new Vaadin 14 app, after choosing the Plain Java Servlet option.
The web page successfully downloaded a .zip file which I unzipped, and opened with Intelli...
Latt asked 14/8, 2019 at 22:30
2
In Vaadin 8 you could just do the following for example to get a list of the columns in the order displayed on the screen.
String columnOrderPreference = ((List<Grid.Column>)grid.getColumns()...
Zoophyte asked 18/8, 2021 at 16:51
0
Any thoughts on why when releasing a new Vaadin / Spring-Boot app in production, Vaadin will not render the custom css in frontend directory although it does in debug mode?
The app is built for pro...
Hygiene asked 21/7, 2021 at 7:51
1
Solved
I am using Vaadin 20 Flow (Java) and want to assign an icon/image (.ico or .png) to my web app. This icon should be displayed besides the page title and should be used as an icon when the page is b...
Possible asked 13/6, 2021 at 17:3
1
I have a LoginView which I basically copied from the bakery starter project.
When I run the bakery app and try to login with wrong credentials, there appears an additional div with an error messag...
Sawyer asked 7/2, 2019 at 9:32
1
Solved
I am migrating a Vaadin Springboot/Gradle application from Vaadin 14.5.1 to 14.6.1. I copied the new file(s) from the themes folder from a freshly generated app from start.vaadin.com, in particular...
Balmoral asked 28/5, 2021 at 7:49
3
Solved
I followed the Vaadin tutorial (Creating Collaborative Views) for broadcasting events and register on them.
Registration eventRegistration;
@Override
protected void onAttach(AttachEvent attachEven...
Juggle asked 26/5, 2021 at 9:52
1
Solved
I am working on upgrading a Vaadin 8 application to Vaadin 14. I had to manually define an extension of VaadinServlet rather than using Vaadin 14's automatic servlet registration, as I need it to b...
Witch asked 13/5, 2021 at 20:3
2
Solved
I want to align the Button on the same line as the Text Fields. The item alignment has been set to Alignment.CENTER, but as you can see from the image, the vertical centers of the TextFields are lo...
Mincing asked 8/5, 2021 at 6:18
3
Solved
How do you include your own icons in Vaadin Flow? Do you make an HTML file like this one from Vaadin Icons and include it via
@HtmlImport("frontend://path/to/your/icons.html")
I did not find any...
Yearbook asked 31/8, 2018 at 6:56
1
Solved
How do I add a row-index column to a grid, that will not be sorted along user-sorting of rows?
The solution must not include changes to any polymer template, but should rather be done in java.
Apocalypse asked 28/5, 2020 at 9:34
1
Solved
with Vaadin 14.1.23 TextFields I would like to differentiate visually between red error messages (e.g. "This value is too big.") and yellow warnings (e.g. "System will round your input to two decim...
Thermolabile asked 4/4, 2020 at 16:3
1
Solved
The release notes for Vaadin 13 includes an item for Lumo compact mode. The mention there is brief, lacking details. To quote:
The compact theme/preset defines values for the sizing and spacing ...
Bilbe asked 22/2, 2020 at 2:59
4
Solved
I need a ComboBox without this clear button. It confuses the users.
I believe in Vaadin 8 it could be removed with setEmptySelectionAllowed(true);.
How can it be removed in vaadin 10? setAllowCu...
Contrabass asked 1/8, 2018 at 13:30
1
In Vaadin Flow, such as version 14.1, how can I get the IP address of the user’s web browser through a Java call on the server-side?
Like the Question, Get user’s IP address, and other client-side...
Takara asked 4/2, 2020 at 23:3
3
Solved
Problem:
I currently have a grid that displays content of type SomeModel.
When I click an entry of that Grid I would like to navigate to a view that takes an object as its input to display the ent...
Azores asked 30/1, 2019 at 14:20
1
Solved
In a Vaadin 14 web app project created by the "Plain Java Servlet" flavor of the Vaadin Starter page, there are numerous folders automatically created by the Maven POM file process.
Where is th...
Unnamed asked 31/1, 2020 at 0:52
1
Im trying to run my Vaadin14 project to production and my application cant find any vaadin flow components. I have a default application.properties and POM, and downloaded it from here https://vaad...
Elexa asked 12/11, 2019 at 0:17
1
In using Vaadin Flow, version 14, I know we can store state as key-value pairs kept as "attributes" via getAttribute/setAttribute/removeAttribute methods found on:
VaadinSession (per-user scope)
...
Indira asked 21/9, 2019 at 1:55
1
Solved
Context (web app)
To store state available to our entire Vaadin app, we can get and set "Attribute" on the VaadinContext object that represents our entire Vaadin-based web app at runtime. These at...
Janik asked 19/8, 2019 at 22:38
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