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Where to include a web components css file when integrating a third party w by Martin Vyšný, 1 week ago
Recent Posts
Vaadin Forum3. Vaadin 6, 7, 8Framework UI

Disable text selection

Michael Holtermann
10 years ago Mar 28, 2012 8:49am

Hello,

I'd like to disable text selection on most elements. For example, if I create a menu bar, and the user moves the mouse a little while clicking, parts of the application will be marked as selected (blue background, see image below). This applies to table cells, too: the user clicks on a row to select it, shakes the mouse a little and the selection mark appears.

It's possibel to disable the selection with CSS

user-select: none

but this is not standard compliant yet and does not work in IE, of course :-/. In IE, one must add the custom attribute 

unselectable="true"

to the HTML tags.

Is there a simple solution available in Vaadin? ExtGWT supports this feature, so it must be possible, at least.

TIA!
Regards,
Michael

Last updated on Mar, 28th 2012
Diogo Harger
9 years ago Sep 10, 2012 2:44pm

Hello Michael,

I am experiencing similar situation with the MenuBar and Table components.

Do you have any updates on this issue?

Thanks,
Diogo

Henri Sara
9 years ago Sep 11, 2012 7:29am

Michael Holtermann: It's possibel to disable the selection with CSS

user-select: none

but this is not standard compliant yet and does not work in IE, of course :-/. In IE, one must add the custom attribute 

unselectable="true"

to the HTML tags.

Currently, Vaadin does not support adding custom attributes. If you absolutely need this for IE, you need to either extend/modify the client side components or develop and execute a piece of JavaScript that adds the attribute.

In Vaadin 7, this could probably be done more elegantly with an Extension.

Dino Fancellu
8 years ago Nov 10, 2013 9:17pm

Any update to this? 

I'm using Vaadin 7.

Thanks.

Henri Sara
8 years ago Nov 11, 2013 8:39am

This would probably be easiest to implement as a (very small) component extension - perhaps even a JavaScriptExtension if you are not averse to writing a few lines of JS.

See the tutorials on using JavaScript with Vaadin 7 and on Extensions here.

Dino Fancellu
8 years ago Nov 11, 2013 4:53pm

For me I just added 

  .noselect {
    user-select: none;
   -o-user-select:none;
   -moz-user-select: none;
   -khtml-user-select: none;
   -webkit-user-select: none;
 }

to my theme.scss

Then told it to use the theme and then put 

menubar.styleNames+="noselect"

I couldn't be bothered reading all that stuff about extensions.

Hope this helps out others.

+2
Dino Fancellu
8 years ago Nov 11, 2013 5:01pm

Also put in this so that you can't select window bar of subwindows and ALL menu bars as well.
No need to jam in "noselect" style as above.

 .v-menubar,.v-window-outerheader {...

Using Scaladin in case anyone was wondering

Oh yes, you define theme in Scaladin like this, fyi

class LayoutUI extends UI(title = "App title",theme="mytheme") {

Also this stops the slight blue flash in the window bar when dragging sub windows