RFE Forms has committed to the schema used by the Angular Forms Builder, and as such, there is a high level of compatibility. RFE Forms uses the entire schema, however some features and functionalities may not be considered necessary for RFE Forms. This page summarises that.
Supported functionality
Field types
Bellow are all the field types currently supported by the engine and the detail on how to use them can be found on this page.
The React Form Engine provides powerful features that allow users to build forms of arbitrary complexity. These include:
Ability to reference existing schemas
Ability to validate fields using JavaScript expressions
Ability to render fields conditionally
Ability to perform calculations in fields using
calculateExpressionsAbility to reuse data submitted in previous encounters using
historicalExpressionsAbility to request lab orders via forms
Ability to define expression helpers for use in calculations and conditional logic
Ability to load locale-specific form labels from the backend
Ability to inject data from external data sources
Ability to provide contextual information or guidance when hovering over or interacting with interface elements (Tooltip).
Ability to grey out all options if a particular option is selected.
Ability to render default answer sets, if a question concept lacks a provided list of answers and is categorized as "question" type.
Ability to create an identifier of a given type for the patient upon encounter submission if a question in the form schema is of type patient identifier.
Ability to register patients offline
Support for type control
Support for
doesNotMatchExpressionto aid developers in validating fields against regular expressions.Support default values for encounter location, encounter Datetime and encounter provider
Ability to render select options directly from the concept setMembers ("select-concept-answers rendering")
Support for Conditional Required Validation
Support for Conditional Answer Options
Ability to render labels instead of UUIDs for multiCheckbox field answers
Ability to link concept representation with questions
Support for language internationalization (French, Khmer, and Spanish language translations)
Workspace promptBeforeClosing functionality to prompts users with a message/action before closing the workspace with unsaved changes.
Styling for Required Fields in Form Submission
Red Asterisk Addition for Required Form Labels
Ability to launch workspace from form (e.g lab order or drug order)
Support for Using String Values in Markdown Inputs
Concept Representation Association Support for Questions
JSON Schema Import Capability for Form Builder
DisallowDecimalsvalidator featureMorisky Medication Adherence Scale Functionality
Conditional Disabling of multiCheckbox Options
Standard Schema Template
Work is ongoing to achieve feature parity with the Angular form engine, and most existing functionality already works out of the box.
Supported rendering types
textselectdatenumbercheckboxradioencounter-locationtextareagrouprepeatingdrugfileproblemui-select-extendedcontent-switchertoggle
Expressions
...
field-set
Learn more about what each rendering type does in the field types reference.
Supported expression helpers
The React Form Engine defines various expression helpers that can be leveraged to perform arbitrary calculations and support conditional logic. Read more about expression helpers in the expression helpers reference. The expression helpers currently supported include the following:
isEmptytodayincludesisDateBeforeuseFieldValuecalcBMIcalcEDDcalcBSAcalcHeightForAgeZscorecalcBMIForAgeZscorecalcWeightForHeightZscorearrayContainsarrayContainsAnycalcMonthsOnARTcalcAgeBasedOnDateformatDatecalcGravidacalcTimeDifferencedoesNotMatchExpressionhideWhenExpressionfailsWhenExpressionhistoricalExpression