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    tulioag on 900_Valid_item_is_not_selected_if_ComboBox_has_a_dataprovider_and_autoopendisabled

    fix: flush the pending requests… Merge branch 'master' into fix/… (compare)

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    tulioag on 900_Valid_item_is_not_selected_if_ComboBox_has_a_dataprovider_and_autoopendisabled

    Fixed error Added test Disable change if allowCustomVa… (compare)

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    fix: flush the pending requests… (compare)

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    tulioag on 900_Valid_item_is_not_selected_if_ComboBox_has_a_dataprovider_and_autoopendisabled

    Fix styling issues (compare)

Kari Söderholm
@Haprog
Turns out @paulkirspuu was trying to use the example polymer data binding in a LitElement. I'm not sure but there might also be another nicer way to do this kind of tabs in Lit without iron-pages.
Paul
@corbettcode
Howdy everyone, we just migrated to Vaadin 14 this past weekend and until today everything seemed to be working. Trying to build a production version yields the error: "Failed to execute goal com.vaadin:vaadin-maven-plugin:14.1.2:prepare-frontend (default) on project onerev-app:". Has anyone else encountered this?
sahilshah50
@sahilshah50

@moderndeveloperllc and @Haprog , thanks for replying to my query. Not sure how I missed your notification.
@Haprog your recommendation was spot on. I ended up using custom click trigger, checked for a "router-ignore" attribute on <a> element. It was a very small change in the click.js file that you mentioned.
// ignore the click if the <a> element has the 'download' or 'router-ignore' attribute
if (anchor.hasAttribute('download') || anchor.hasAttribute('router-ignore')) {
return;
}

I feel this small feature addition should be incorporated by vaadin team in original code. May be name the attribute "vaadin-ignore" :)

Kari Söderholm
@Haprog
Great to hear you got it working. @sahilshah50 you could open a feature request issue at https://github.com/vaadin/vaadin-router/issues if you like. But I can also link this discussion to the team that works on router.
Paul
@corbettcode
Vaadin 14.1.2 does not contain the latest version of FlexLayout. Makes me wonder what else is not up-to-date!
Kari Söderholm
@Haprog
@corbettcode FlexLayout is part of vaadin-ordered-layout-flow package. Latest stable release of that is 2.0.0 which seems to be included in Vaadin 14.1.2. But there does seem to be one newer commit in master branch of vaadin-ordered-layout-flow which isn't in any release yet. Are you referring to this one https://github.com/vaadin/vaadin-ordered-layout-flow/commit/4ccdeaec1e29764750ed9f0fa4bf23fa406436e4#diff-5e8cfb4002e77c7bd94f3bc270fe3fcb ?
Paul
@corbettcode
@Haprog Yes, the new training videos state that there is an updated FlexLayout in 14.1. Check the layout video. Also, the web site does not mention FlexLayout in the Components library.
Paul
@corbettcode
@Haprog Trying to build a production version in a BitBucket pipeline yields the error: "Failed to execute goal com.vaadin:vaadin-maven-plugin:14.1.2:prepare-frontend (default) on project onerev-app:". I can build and run both on my development system without error. Do you know anything about this? If not, do know of anyone who would?
Kari Söderholm
@Haprog
@corbettcode Thanks for pointing that out about the training video! I guess that video was recorded with the assumption that the new version of FlexLayout would make it into Vaadin 14.1 but for some reason it got delayed (I don't know the details for the decisions). Hopefully we can add some note about this in the training materials soon or get the 14.2 out with this new FlexLayout version soon.
@corbettcode I don't know that much about the Java build and this channel is mainly about the components. Please ask about that in https://gitter.im/vaadin/flow or at https://vaadin.com/forum
Paul
@corbettcode
@Haprog Sorry...was not sure where to ask this. Thank you for letting me know.
GantaSanthoshkumar
@GantaSanthoshkumar
How to develop responsive design in vaadon
How to develop responsive design in vaadin, please provi
Rolando Isidoro
@rolandoisidoro
@GantaSanthoshkumar , maybe the Board PRO component is what you're looking for: https://vaadin.com/components/vaadin-board
Kari Söderholm
@Haprog
@GantaSanthoshkumar You might also want to take a look at few example templates that are available here https://vaadin.com/labs/layout-examples (there's a live demo of them too).
sahilshah50
@sahilshah50
@Haprog I have opened a new feature request as suggested by you vaadin/vaadin-router#424
Mateusz
@denzeloff
hello, i am looking for master guy who can better explain me how to create own component
i would like to create joystick as web component
Kari Söderholm
@Haprog
@denzeloff So you're just looking for info about how to create generic web components? Have you decided do you want to implement it as vanilla JS, Polymer 3 or LitElement based web component?
Or maybe something else.
Those libraries have their own documentation which probably would help you to get started.
Kari Söderholm
@Haprog

I might be biased but I'd recommend getting started by trying out LitElement and following their guide/tutorial from https://lit-element.polymer-project.org/

It's also good to know what parts are related to web component standards and what is library specific. Some resources you might want to check out also:

Mark Garrett
@moderndeveloperllc
@web-padawan Just wanted to say I'm using the new vaadin-tabs4 alpha. I have a pretty simple use case, but it's working fine so far!
@Haprog I echo your LitElement recommendation. It's clean and small. I'm happy that it looks like Vaadin is going down that path.
Leho Kraav
@lkraav
:heavy_plus_sign: 1
Mark Garrett
@moderndeveloperllc
Well, spoke too soon. Had to open vaadin/vaadin-tabs#150
lunga
@LTDO
Hello everyone, I'm new here. I just started learning Vaadin this year. I hope I'm in the right place to get as much knowledge and advice while still in the learning process.
Mark Garrett
@moderndeveloperllc
@LTDO Howdy! This chat is for the Vaadin web components and the Java discussions happen over in https://gitter.im/vaadin/flow. The developers are reasonably active here, and some of us users help out where we can.
Sourav Suman
@souravbairoliya_twitter
looking for tooltip feature in vaadin grid component when the data bind to the table is too big.
any sample code would be appreciated
or the approach
Tomi Virkki
@tomivirkki
@souravbairoliya_twitter We don't unfortunately have a dedicated tooltip component built-in yet. There's this add-on but note that it's commercial https://vaadin.com/directory/component/tooltip
frangomezvenegas
@FranGomezVenegas
@andersforsell Exactly! I created both builds and "es6-unbundled" still issued but "uncompiled-unbundled" works fine. Thanks a lot!
Mateusz
@denzeloff
hello, is there any video player component, which i can use to watch video from my raspberry pi in real time?
Serhii Kulykov
@web-padawan
We do not have any video player components and generally recommend to use<video> HTML element where possible.
Manoj2749
@Manoj2749
Hello, i'm using web-components in my project, i have added polyfills of web-components in our application,Its working fine in chrome,Firefox,IE,IE edge too,
But i have an problem, We are using ng-select dropdown to select values...In IE edge i am not able to select the drop down selection, its not working properly ,can someone help me on that
Kari Söderholm
@Haprog
ng-select is an Angular component right? Afaik it's not implemented as a web component so I'm not sure why you're asking here. Personally I don't have any Angular experience.
Manoj2749
@Manoj2749
App1(main app) App2(charts)..With the reference of Vaadin blog, i implemented web components its working fine , its not issue with ng-select. working in other components of application, i added polyfills in App1(main app) head tag, after adding polyfills selection of dropdown not behaving properly, if i'm removing polyfills its working fine...can someone help me on that
Mark Garrett
@moderndeveloperllc
@web-padawan With the new LitElement vaadin-app-layout, what is the procedure for registering styles for that element? I was using registerStyles('vaadin-app-layout', css...); and importing that into the element I was using vaadin-app-layout, but that doesn't seem to work anymore.
Mark Garrett
@moderndeveloperllc
@web-padawan It's difficult to debug the issue because in lit-elements there is no longer a <style> element in the shadowDOM to Inspect in the browser, nor does a dom-module get inserted anymore.
Serhii Kulykov
@web-padawan
It should work. For debugging, it's easier to use Firefox or add the following to HTML page: delete Document.prototype.adoptedStyleSheets (before any other scripts)
Please create an issue and I will investigate.
souravtyson
@souravtyson
i am working on polymer web-component. i have this page which gets open when i click on the button, the is opening but the focus of the page is at the bottom. i want to show the top view of the page but its not showing. Any idea how can i do it
Mark Garrett
@moderndeveloperllc
@web-padawan Took me almost all day, but I think I found the issue: vaadin/vaadin-app-layout#144
Basically, the Vaadin themes can wind up being loaded and inserted as styles after user custom styles since they have no moduleId.
sahilshah50
@sahilshah50

@souravtyson , I believe you are using vaadin-router for navigation. If you want a generic solution for all pages, you can use window.scrollTo(0, 0); in the "vaadin-router-location-changed" event. Check discussion on vaadin/vaadin-router#43

If you need more granular control, you can use onAfterEnter event on the webcomponents for which you wish to restore scroll position.
onAfterEnter(location, commands, router) {
//Restore scroll position in case of navigating back, else scroll to top
let y = 0;
if (history.state && history.state["scrollY"]) y = history.state["scrollY"];
setTimeout(function () { window.scrollTo(0, y); }, 1);
}