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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.

667 questions
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Add dropdown button to component

I want to add a dropdown button which usually works as an expand / collapse button in a treegrid. I can't seem to find in the documentation how to add a button which is the exact width and height of the dropdown button, e.g. the specific (custom)…
Michael Kročka
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How to show description for icon only (not label)

I have a column in a grid that contains labels. These labels include icons, text and descriptions upon mouseover (hover). The description is also shown for the label text, which I want to prevent. The ideal scenario is that the description is shown…
Michael Kročka
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Vaadin 8: can you right align a Button in a HorizontalLayout component cell of a TreeGrid component column?

I have a TreeGrid with 2 component columns. The first component column contains a HorizontalLayout with a Label and a Button. The second component column contains a HorizontalLayout with a Button. I was not able to right align the Button in the…
tremendous7
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Vaadin8: How to display Vaadin icon inside TextField?

Using Vaadin 8 I want to display the Vaadin search icon inside the TextField on the left side. TextField search = new TextField(""); search.setPlaceholder("Search target"); search.setIcon(VaadinIcons.SEARCH); …
Natalie
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Vaadin 8 grid row height is not automatically adjusting

I am working on the grid component in vaadin 8. In My grid, each column data fetched from the database and it may be too lengthy. the grid row height is not expanding based on the content in each column. My grid is given below. You can see complete…
silpysagar
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Bold when writing in another language in vaadin 8

I use vaadin 8.9.3 and I ran into a problem: when a column with a Russian name is added to the table, the font in it is displayed bolder than the column with an English name. Looks like a problem with fonts. The images below show examples (Google…
Egor Vasilyev
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Unexpected Vaadin Session Expired and parallel spring boot applications

I am using Vaadin 8.9.4 and Spring boot 2.2.4.RELEASE. I have 2 spring boot applications, FirstApplication (server.port=8083) and SecondApplication (server.port=8084). Both the application have @SpringUI annotated class extending UI Class, as given…
Shobhit
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How to scroll page instead of item in Vaadin ComboBox?

Vaadin8 ComboBox can be scrolled with mousewheel but it scrolls one item at a time. In Vaadin7 it was scrolling the pages. I found this old ticket from V7 but seems untouched: Combobox Mousewheel-Scrolling does not scroll pages. #7788 I have…
Jokkeri
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How to enter timestamp in Vaadin 8

I am trying to enter timestamp using DateTimeField but in my entity i am having java.sql.timestamp. Converting datetimefield to timestamp is giving error ConversionClass package com.vaadin.convertor; import java.sql.Timestamp; import…
deep Kumar
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Vaadin 8: How to display full-size picture in grid?

I am trying to display a list of persons in Vaadin 8 grid, including their photos (JPEGs in byte[]). However, in the component column (see the code below) only the top of the picture is visible. personsGrid.addComponentColumn(v -> { if…
Serge Iroshnikov
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Sql Insert only null data, vaadin 14

I new to vaading and still learning the basics, I write some code and build a form. when I click the save button it adds null data. how can i save the data on my textfield into my customer object and then write it in the SQL. right now my save…
Gorge Tor
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Copy text to clipboard in vaadin 8

I want to ask how to correctly copy some text to clipboard in vaadin 8 java web application. I have found solution that works in Chrome and IE, but does not work in Firefox. The Firefox is always saying error "document.execCommand(‘cut’/‘copy’) was…
blacksun
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Why does Upload.setAcceptMimeTypes not work twice?

Sorry in advance, my English is not so good. Why, when I try to upload a file again, does my MIME filter (that is installed by setAcceptMimeTypes) disappear and I can see all the files again? First upload: Second upload: My code: @SpringUI public…
lobs
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Eclipse Vaadin Widgetset compile heap size problem

While compiling vaadin widgetset on my eclipse, i get this error. i see some posts that say we can change heap space size in vaadin plugin but there is no settings like this on my eclipse. (My plugin settings)(Related Post) while compiling…
bmavus
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Vaadin 8 Treegrid always fetching all rows though using AbstractBackEndHierarchicalDataProvider for lazyloading

Hello I am using TreeGrid (Vaadin 8.6.3) with AbstractBackEndHierarchicalDataProvider for lazy loading I have overridden fetchChildrenFromBackEnd, getChildCount and hasChildren methods. My total row count in db is 400. My Issue is whenever the…
neilc
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