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Vaadin Forum1. Vaadin Flow - Java

How to apply unique CSS style on different Panels on same web page

Mukesh Verma
6 years ago Jun 24, 2015 7:36am

I am using this scss file  for styling the Panel with background color changing on  mouse hover. It is working fine but the problem is , it is applying on all Panels with same functionality on the same page. If am using 4 panels on a single page then it is is working for all 4 Panels  . I want to apply unique scss style on each Panel.

testvaadin2.scss

// Defines colors for indicating status (focus, success, failure)
//$v-focus-color: valo-focus-color(); // Calculates a suitable color automatically
//$v-friendly-color: #2c9720;
//$v-error-indicator-color: #ed473b;

// For more information, see: https://vaadin.com/book/-/page/themes.valo.html
// Example variants can be copy/pasted from https://vaadin.com/wiki/-/wiki/Main/Valo+Examples

@import "../valo/valo.scss";

@mixin testvaadin2 {
     @include valo;
    
     .v-panel{
     -webkit-transition-duration: 0.6s;
         background:orange;
     }
     .v-panel:hover{
         -webkit-transition-duration: 0.6s;
          background-color:white;
     }
     .v-menubar{
         background: transparent;
     }
     .v-menubar:hover{
         background: green;
     }
     .v-menubar-menuitem {
      background: transparent;
      @include box-shadow(valo-bevel-and-shadow($bevel: $v-bevel, $background-color: $v-selection-color, $gradient: $v-gradient));
      text-shadow: inherit;
      font-size: $v-font-size;
    }
    .v-menubar-menuitem:hover {
      background: red;
      text-shadow: inherit;
      font-size: $v-font-size;
    }
}   

Please help me to solve this problem.........

Marius Reinwald
6 years ago Jun 24, 2015 8:03am

Use Panel.setStyleName (or addStyleName) to add a custom classname to specific panels. For example like this:

Panel somePanel = new Panel();
....
somePanel.setStyleName("panelWithRedBackGround");
..

Now you can target every panel with this specific classname like

.v-panel-panelWithRedBackGround{
  background-color: red;
}

.v-panel-panelWithRedBackGround:hover{
  background-color: blue;
}

if you would want the same background-color - behaviour for another component other than Panel you can define the style like:

.panelWithRedBackGround{
  background-color: red;
}

.panelWithRedBackGround:hover{
  background-color: blue;
}

This way you can also do:

Label someLabel = new Label("test");
someLabel.setStyleName("panelWithRedBackGround");

 

+1
Mukesh Verma
6 years ago Jun 24, 2015 9:06am

Thanks a lot Sir 
My Problem is solved now... 

I Modifiy my code like below:
 
Panel upperPanel=new Panel();
upperPanel.setStyleName("upperPnl");
Panel headerPanel=new Panel();
headerPanel.setStyleName("headerPnl");

I update my scss file  as per your instruction.......

 .v-panel-upperPnl{
     -webkit-transition-duration: 0.6s;
         background:orange;
     }
     .v-panel-upperPnl:hover{
         -webkit-transition-duration: 0.6s;
          background-color:white;
     }
     .v-panel-headerPnl{
     -webkit-transition-duration: 0.6s;
         background:black;
     }
     .v-panel-headerPnl:hover{
         -webkit-transition-duration: 0.6s;
          background-color:red;
     }
   
Thanks a lot ......  
      

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6 years ago Aug 12, 2015 7:50am

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