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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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check/uncheck all checkboxes using another single checkbox using vaadin

I am new to Vaadin Framework. I create one project with vaadin 8.0.4. I created one grid with two columns but i want add one texxfield column and one checkbox column. i need to check all checkboxes when user click header cehckbox.
jamesbond007
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Vaadin 8.1 RC1 TreeDataProvider, TreeData (getParent), HierarchicalQuery

I'm trying te play with TreeGrid at Vaadin 8.1 RC1. I'm trying to migare from HierarchicalContainer to the TreeDataProvider. But I didn't get the idea of the new Hierarchial data stucture. I need just some simple things: - Is it possible to get an…
svartalf
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BeanCreationException Using Vaadin and CRUD findAll() Service to Fill ComboBox

I am using Vaadin8 with SpringBoot using vaadin-spring-boot-starter 2.0.0 to fill a ComboBox. I tried the same with NativeSelect, still got the same error message by the way, when I use the setItem() method of the ComboBox. Repo: public interface…
Marcellinus
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Replacement for collapseItemsRecursively and expandItemsRecursively in Vaadin 8.1 TreeGrid

Vaadin 8.1 introduced the TreeGrid component. It does not have the collapseItemsRecursively and expandItemsRecursively methods anymore (as available in the now legacy Tree component). Do i miss something or do you need to develop your own…
rmuller
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Is there a simple way to close a popup confirm button connected to Vaadin FileDownloader

I am trying to download a file from server using Vaadin 8.05 while cliking on a button in a popup window and it works. The problem is that I can not find a way to close the popup after clicking. If I am trying to close the window then download will…
Govan
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Multipage: Navigator & Navigation setup -> "Component must be attached to a session when getConnectorId() is called for the first time"

i cannot get a navigator to run within my project. i always get the Error "Component must be attached to a session when getConnectorId() is called for the first time" i followed several examples where it ran out of the box with nealy the exact same…
Highstorm
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In Vaadin 8, how to convert Boolean to checkbox in a grid

In Vaadin 8 framework, using Vaadin Grid, how do I present a Boolean object in each row as a checkbox?
Dan
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bypass lazy loading from dataprovider

I need to manipulate the data while its being fetch @Override public Stream fetch(Query query) { ... } I found out when runtime, that the data is not all fetched because of lazy loading feature. I need to get all rows…
William Anthony
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vaadin responsive not working properly

I'm using new Version of Vaadin which is 8.0.6 if I open my window on width-range~="1400px-" and go down to width-range~="0px-760px", responsive css properties works fine, but not on the other way, If open the window on width-range~="0px-760px"…
dred dred
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How to determine if a component in UI has been Updated in Vaadin 8

In an application based on Vaadin 8 I want to implement a Command that remove the value of all fields. I have done this Using Binder. When user is activating the command a new Bean will be created. @Override public void…
Govan
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Vaadin Grid Callback Data Provider wrong query parameter values

I have a problem with implementation of lazy-loading for Grid. The following code represent DataProvider: private DataProvider buildDataProvider() { return DataProvider.fromCallbacks( query -> { final…
AndrewSynkov
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Vaadin session timeout on upload

I am using Spring Boot 1.5.3.RELEASE with Vaadin 8.0.6. I am using Spring Security as well. I noticed that every time I upload a file using the Upload component, I get a Session Expired message. Is there a way to configure to avoid the expiry? I…
samyem
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autowired vaadin component gets index -1

I use vaadin-spring. I created public abstract class AbstractBasicVerticalLayoutWithMenu extends HorizontalLayout implements View and I have two normal classes extending it. In abstract class I @Autowire Menu component defined:…
Mateusz
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Issue while importing file using FileOutputStream, Vaadin 8 and Jetty to localhost

Basically I have been using Vaadin Designer to design my UI. One of my use cases asks me to upload an iCalendar file, I use a grammar (ANTLR) to get from it what I need. I came across my issue when after seeing the Vaadin Upload documentation and…
Ricardo Silveira
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Add all properties of my JavaBean as columns by default in Vaadin 8 grid?

Is there a way in Vaadin 8 Grid to automatically display all the JavaBean-pattern properties as columns in the table? And automatically label each column header with the name of the property? In the Binding to Data section of this page in the Vaadin…
Basil Bourque
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