Class: AbstractElement

Methods

append(obj)

form.js, line 210

Add another form element as children to this element.

Name	Type	Description
obj	AbstractElement	The form element to add.

parse(){Promise.<void>}

form.js, line 228

Parse this elements form input.

The parse() function recursively walks the form element tree and triggers input value reading and validation for each encountered element.

Elements which are hidden due to unsatisfied dependencies are skipped.

Returns:

Type	Description
Promise.<void>	Returns a promise resolving once this element's value and the values of all child elements have been parsed. The returned promise is rejected if any parsed values are not meeting the validation constraints of their respective elements.

abstractrender(){Node|Promise.<Node>}

form.js, line 246

Render the form element.

The render() function recursively walks the form element tree and renders the markup for each element, returning the assembled DOM tree.

Returns:

Type	Description
Node | Promise.<Node>	May return a DOM Node or a promise resolving to a DOM node containing the form element's markup, including the markup of any child elements.

stripTags(s){string}

form.js, line 288

Strip any HTML tags from the given input string, and decode HTML entities.

Name	Type	Description
s	string	The input string to clean.

Returns:

Type	Description
string	The cleaned input string with HTML tags removed, and HTML entities decoded.

titleFn(property, fmt_args){string|null}

form.js, line 327

Format the given named property as title string.

This function looks up the given named property and formats its value suitable for use as element caption or description string. It also strips any HTML tags from the result.

If the property value is a string, it is passed to String.format() along with any additional parameters passed to titleFn().

If the property value is a function, it is invoked with any additional titleFn() parameters as arguments and the obtained return value is converted to a string.

In all other cases, null is returned.

Name	Type	Description
property	string	The name of the element property to use.
fmt_args	*	repeatable Extra values to format the title string with.

Returns:

Type	Description
string | null	The formatted title string or null if the property did not exist or was neither a string nor a function.