Method Details

• getThemeName

  public static Optional<String> getThemeName(VaadinContext context)

  Gets the custom theme name if the custom theme is used in the project.

  Should be only used in the development mode.

  Parameters:

  context - the vaadin context

  Returns:

  custom theme name or empty optional if no theme is used

• getThemeAnnotation

  public static Optional<Theme> getThemeAnnotation(VaadinContext context)

  Gets the theme annotation for the project.

  Parameters:

  context - the Vaadin context

  Returns:

  the theme annotation or an empty optional

• getThemeJson

  public static Optional<elemental.json.JsonObject> getThemeJson(String themeName, AbstractConfiguration config)

• getThemeResourceFromPrecompiledProductionBundle

  public static URL getThemeResourceFromPrecompiledProductionBundle(String themeAssetPath)

  Gets the URL of the theme resource located in the pre-compiled production bundle JAR or in the external packaged theme JAR.

  Parameters:

  themeAssetPath - theme resource path relative to 'themes' folder, e.g. 'my-theme/styles.css'

  Returns:

  URL to theme resource if the resource was found, null otherwise

• getThemeJson

  public static Optional<elemental.json.JsonObject> getThemeJson(String themeName, File frontendFolder)

• getParentThemeName

  public static Optional<String> getParentThemeName(elemental.json.JsonObject themeJson)

• getActiveThemes

  public static List<String> getActiveThemes(VaadinContext context)

  Gets the active themes in parent to child order, starting from the application theme.

  Parameters:

  context - the vaadin context

  Returns:

  a list of active themes, in parent to child order

• getThemeFolder

  public static File getThemeFolder(File frontendFolder, String themeName) throws IllegalArgumentException

  Finds the folder for the given theme.

  Assumes the folder exists and throws an exception if it does not.

  Parameters:

  frontendFolder - the project frontend folder

  themeName - the theme name

  Returns:

  the folder for the theme, containing styles.css

  Throws:

  IllegalArgumentException - if the theme folder was not found

• getThemeFilePath

  public static String getThemeFilePath(String themeName, String fileName)