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Questions tagged [vaadin-flow]

Use the [vaadin] and [vaadin-flow] tags for any posts relating to the use of Vaadin Flow. For posts related to any other Vaadin topic, such as Fusion or a specific component, instead tag the post with its corresponding tag, for example: [vaadin-fusion] or [vaadin-upload], respectively.

Vaadin Flow is the new generation of the user-interface toolkit for building professional-looking, business-oriented single-page web apps in Java. Now based on standard Web Components technology.

Vaadin Flow is the major re-write of the venerable Vaadin Framework tool for building professional-looking business-oriented user-interfaces for web apps. This new generation of Vaadin replaces the internal use of GWT with the use of modern Web Components technology.

Vaadin apps are written in Java, executing server-side in a Java Servlet web container. At runtime Vaadin automatically renders a web-standards based user-interface in the client-side web browser via HTML, CSS, JavaScript, DOM, AJAX, XML & JSON, WebSocket, and Push technologies, all done transparently to the Java programmer.

The current Long Term Support (LTS) version of Vaadin is 14. The previous LTS version is 10. Version 10 succeeded Vaadin 8 (Framework).

The current major version is 22.

The next LTS version will be version 23, slated for March 2022.

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Vaadin Flow rerouting in HasUrlParameter#setParameter does not change URL?

My login view with @Route("login") implements HasUrlParameter with the following lines: @Override public void setParameter(BeforeEvent event, @WildcardParameter String parameter) { event.rerouteTo(AnotherView.class); } The content of…
Steffen Harbich
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Append ellipsis when text in a TextField is not completely displayed, Vaadin 8 & 10

When a TextField cannot display all the text of its contents, I would like an ellipsis (… HORIZONTAL ELLIPSIS) to appear as the last character displayed to indicate to the user that some of the field contents is not visible. Actually, any kind of…
Basil Bourque
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Get records with Vaadin 10 Spring Jpa

good morning everyone. I'm starting to use vaadin 10, I'm trying to set items in a grid with Spring Jpa as follows, but for me it marks an error, this situation does not happen in the previous versions of…
Sergio Hilerio
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Provide a Converter for data-binding by defining a pair of SerializableFunction objects

In Vaadin 8 Framework, and Vaadin 10 Flow, the data-binding capability lets us provide a Converter to mediate between the widget’s expected data type (such as String for a TextField) and the data type of the backing bean property (such as Integer…
Basil Bourque
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Change the converter on a binding in Vaadin 10 Flow?

When establishing a binding with binding-builder, we can specify a converter to mediate between types such as using a String oriented TextField to work with a backing value of type Integer. binder .forField( this.phaseField ) .withConverter( …
Basil Bourque
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Vaadin 24 WEB Push replacing Tomcat with Undertow

I wanted to replace Tomcat in Vaadin. Wanted to replace it with Under / Jetty / Netty. Currently I am using spring boot and replaced tomcat with undertow. Unfortunatelty this setup disables WEB_PUSH in Vaadin. Is there any way around this ? or maybe…
Jason The Dynamite
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Vaadin grid details behaviour

Could you please advice whether is it possible to achieve the following behavior with the Vaadin Grid details: Do not show details row based on grid item content. Do not collaps previously expanded details on another rows (be able to show details…
Vadim Lotarev
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Is it possible to create mui Dialog without jsx ,just using JavaScript , mui Dialog and react/reactDom?

I wanted to create mui Dialog just using mui-core , react , reactDom without jsx syntax, wanted to created dialog
kum
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Jaspert Report vaadin v23

Has anyone managed to display the .jasper report in standalone view? I am using Vaadin v23. Not enough information found for v23. I am preparing an end of degree project and I have only found information for v14 and v10
ISalcedo
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Get selected combobox item

I have two comboboxes that get their data from read-only views. How do I get the selected values once the form is submitted?  All of the Vaadin samples dealing with comboboxes use data binding to entity classes but I'm not able to find an example of…
VladimirSD
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Why the Vaadin CONNECT_JAVA_SOURCE_FOLDER_TOKEN property doesn't work

The property vaadin.javaSourceFolder is deleted from the Vaadin BuildFrontendUtil.java at runtime like shown in line 471 Does anybody know how to define this property in order to change the javaSourceFolder?
Helmer Barcos
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Integration facebook share link in vaadin 14

I am looking for invoking the facebook share functionality with the dynamic message in vaadin flow. I have read how to generate AppId and all stuff in facebook developer link but how to get working with vaadin and that with the dynamic title and…
kushal Baldev
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Which ways exist to do the UI in Vaadin for two or more Entitys in the same view?

I have the following excel table printed on paper which represents an attendance list for one month which I should bring online. In first column are all participant names. The others columns will be will be checked if the person was present on the…
Java bee
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Vaadin Combobox does not shows nameField from database

I have a service class. When I set items alldata() in my combo box then it shows all the embedded data from the database. how can I just set the name field? example: private ComboBox groundComboBox = new…
Kamrul Hasan
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Vaadin Autocomplete with Google places autocomplete API

I would like directions on how to implement a google places with vaadin textfield i already looked it up that its best to implement with the combo-box component.
leksyde
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