vaadin

I'm using Grid table in Vaadin for data representation. For that I'm trying to figure out the following two issues: 1.) How to disable the sort function in the Header of each column 2.) How to set the color of one column in a Grid table Morfic First of all, I find the Vaadin docs a good place to start looking for help. For the rest of the exercise, suppose we have a Grid with 3 simple columns c1, c2 & c3: Grid grid = new Grid(); grid.addColumn("c1", String.class); grid.addColumn("c2", String.class); grid.addColumn("c3", String.class); 1.) How to disable the sort function in the Header of each

I am not too familiar with vaadin 7 and I can not figure out this. I tried to use google but no useful result. My question is very simple. How can I get the request url parameters in my UI class? My url has a parameter: host/myvaadinapp/?code=erefdvdfgftf... The url parameter comes from facebook after user logged in (OAuth) and I need to handle the value of code url parameter in my code. I tried to do these: @PreserveOnRefresh public class AdminUi extends UI { @Override protected void init(VaadinRequest request) { ... System.out.println( request.getPathInfo()); System.out.println( request

Good evening guys, I'm currently trying to add the visualization functionality of d3 to my vaadin application. If you don't know what d3 is, here is a quick link: http://d3js.org/ Yet I am stuck with some problems: How can I add the "d3.v2.js" javascript file/library, that is necessary for developing with d3? I tried adding it to an own theme (WebContent/VAADIN/themes/myOwnTheme/..), but through refreshing in eclipse I'm getting the message: "Errors occurred during the build. Errors running builder 'JavaScript Validator' on project 'VaadinD3Testproject'. 14". I guess that's because the js-file

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I want to create Vaadin drop down with 2 separators in it. I couldn't find a way to implement that, can anyone help me to solve this issue? This is the way I want to display my drop down: Option 1 Option 2 ------------; select 1 select 2 -----------; group 1 How can I do that? 回答1: There is no built-in way to add separators to selects. The only way I can think of is to add an item with the desired separator as its caption. For example if you use the default caption (item id) select.addItem("-----"); should be enough. This should work for

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: By using "Spring Stater Project" in Eclipse/STS, I was able to have a Vaadin project up and running quickly. I want to add charting via Vaadin-Addon to the project. I have Googled trying to find how to properly add and use Vaadin Chart addon to the project. But I am confused because there so many "Guides/Tutorial", but a lot are not for spring boot or they are outdated or partial. So I am looking for a complete Guide/Tutorial for Vaadin-SpringBoot-VaadinChart-AddOn. This is what I have so far: ---- Pom file ---- <?xml version="1.0" encoding=