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com.vaadin.flow.theme.

Interface AbstractTheme

  • All Superinterfaces:

    Serializable

    All Known Implementing Classes:

    Lumo, Material

    public interface AbstractTheme
extends Serializable

    Abstract theme definition class for defining theme variables when in use.

    Since:

    1.0

    Author:

    Vaadin Ltd

    • Method Detail

      • getBaseUrl

        String getBaseUrl()

        The url for the base component implementation.

        e.g. src/

        Returns:

        the base component path

      • getThemeUrl

        String getThemeUrl()

        The url for the components themed version implementation.

        e.g. theme/lumo/

        Returns:

        the themed component path

      • getHeaderInlineContents

        default List<String> getHeaderInlineContents()

        Return a list of contents to inline to the bootstrap header. The contents will be handled as no-wrap as is and will be inserted to the initial page head tag.

        This will usually be the any <custom-style> declarations, see CustomStyle

        For importing theme files, use JsModule on the corresponding theme subclass.

        Returns:

        list of string content to inline or empty list if nothing to inline

      • getHtmlAttributes

        default Map<String,​String> getHtmlAttributes​(String variant)

        Gets the attributes that should be set on the <html> element when the Theme variant is applied.

        Parameters:

        variant - the variant defined in the Theme annotation, not null

        Returns:

        a Map with the attributes (keys and values) that should be set in the body, or an empty Map if nothing should be set for the given variant.

      • translateUrl

        default String translateUrl​(String url)

        Translates the given url using the result of the getThemeUrl() theme method.

        If translation is possible then translated URL is returned. Otherwise the url is returned.

        Parameters:

        url - the URL to translate using the theme

        Returns:

        translated URL if possible or the same given url if not.