Repeater

repeater - renders a repeating set of form fields using a related record or jsonable attribute.

extra_information:
    type: repeater
    titleFrom: title_when_collapsed
    form:
        fields:
            added_at:
                label: Date added
                type: datepicker
            details:
                label: Details
                type: textarea
            title_when_collapsed:
                label: This field is the title when collapsed
                type: text

Option	Description
form	inline field definitions or a reference to form field definition file.
prompt	text to display for the create button. Default: Add new item.
displayMode	controls how the interface is dispalyed, as either accordion or builder. Default: accordion
itemsExpanded	if repeater items should be expanded by default when using accordion mode. Default: true.
titleFrom	name of field within items to use as the title for the collapsed item, optional.
minItems	minimum items required. Pre-displays those items when not using groups. For example if you set minItems: 1 the first row will be displayed and not hidden.
maxItems	maximum number of items to allow within the repeater.
groups	references a group of form fields placing the repeater in group mode (see below). An inline definition can also be used.
groupKeyFrom	the group key attribute stored along with the saved data. Default: _group
showReorder	displays an interface for sorting items. Default: true
showDuplicate	displays an interface for cloning items. Default: true

The repeater field supports a group mode which allows a custom set of fields to be chosen for each iteration.

content:
    type: repeater
    prompt: Add content block
    groups: $/acme/blog/config/repeater_fields.yaml

This is an example of a group configuration file, which would be located in /plugins/acme/blog/config/repeater_fields.yaml. Alternatively these definitions could be specified inline with the repeater.

textarea:
    name: Textarea
    description: Basic text field
    icon: icon-file-text-o
    fields:
        text_area:
            label: Text Content
            type: textarea
            size: large

quote:
    name: Quote
    description: Quote item
    icon: icon-quote-right
    fields:
        quote_position:
            span: auto
            label: Quote Position
            type: radio
            options:
                left: Left
                center: Center
                right: Right
        quote_content:
            span: auto
            label: Details
            type: textarea

Each group must specify a unique key and the definition supports the following options.

Option	Description
name	the name of the group.
description	a brief description of the group.
icon	defines an icon for the group, optional.
titleFrom	name of a field for the item title, optional.
fields	form fields belonging to the group.

The group key is stored along with the saved data as the _group attribute. This can be customized with the groupKeyFrom option.