Change the Style of ListGridField Header

[emimayank]

Hi,
So my requirement is to change the style of the ListGridField Header, I've tried overriding both the "getHeaderBaseStyle" as well as "getHeaderTitleStyle" but the style doesn't change for the Headers. I don't want to use a CSS file for modifying the Header. Does anyone have any suggestion for this?

ListGridField field = new ListGridField("date", "Date", 70)
{
@Override
public String getHeaderBaseStyle()
{
//String style = super.getBaseStyle();
String style = "background-color:#F94336;";
return style;
}
@Override
public String getHeaderTitleStyle()
{
String style = "background-color:#F94336;";
return style;
}
};

[Isomorphic]

Neither of these is documented as an override point, and these APIs work with CSS class names, not direct CSS definitions.

You will need to define a named series of CSS styles to restyle the header, but these could be defined on the fly if they need to be dynamic.

[emimayank]

Can you please help me understand, how to define the CSS on the fly? like I can create a CSS file with classes and use specific conditions in my code to choose any of the classes dynamically?

[Isomorphic]

There are many approaches, but one is the core GWT API StyleInjector.inject().