Localized Survey Creator - The survey doesn't contain visible pages - The message appears is translated in design mode but untranslated in preview

[JaneSjs]

User Issue: T15707 - Missing localization for Preview tab text - no pages or questions https://surveyjs.answerdesk.io/internal/ticket/details/T15707

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When a survey is empty, it should use the same locale as it is defined for a Survey Creator. Otherwise, the 'a survey is empty' message appears untranslated:

[JaneSjs]

This message is defined within a Form Library localization: emptySurvey. When a survey creator appears at design time, an empty survey content follows a survey creator localization and translates the empty survey message. However, when a user switches to the preview mode, a survey uses its own locale property value.

You can handle a preview survey creation using the creator.onSurveyInstanceCreated event. If a survey is empty, change it's locale to the currently used creator locale.

creator.locale = "fr";
creator.onSurveyInstanceCreated.add((sender, options) => {
    if (options.reason === "test" && options.survey.isEmpty) {
      options.survey.locale = creator.locale;
    }
});

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[andrewtelnov]

@JaneSjs Yes, the user should set the survey locale to the needed locale.

Thank you, Andrew