c2n/web-componentsv0.0.16
ComponentsIconsGuidesExamplesGetting started
ComponentsIconsGuidesExamplesGetting started
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Attachment

File and image attachments with metadata, upload progress, failure states, and actions.

c2-attachment

Displays a file or image attachment with a preview, metadata, upload state and optional actions.

Attributes

NameTypeDefaultDescription
namestring—File name shown as the primary label.
srcstring | undefinedundefinedImage preview URL. Omit it to show the generic file preview.
altstring | undefinedundefinedAccessible description for the image preview. Defaults to the file name.
typestring | undefinedundefinedFile type or extension shown in the metadata row.
sizestring | undefinedundefinedHuman-readable file size, for example 2.4 MB.
status'ready' | 'uploading' | 'complete' | 'error'readyCurrent upload state.
layout'auto' | 'row' | 'tile'autoAuto uses a tile for image previews and a row for files.
progressnumber0Upload completion percentage. Values are clamped between 0 and 100.
removablebooleanfalseShow the built-in remove action. During upload it is announced as cancel.
disabledbooleanfalseDisable built-in actions and dim the attachment.

Slots

NameDescription
mediaCustom thumbnail or file icon. Replaces the image supplied through src.
nameCustom file name. Falls back to the name attribute.
metadataCustom metadata. Falls back to the type and size attributes.
actionsCustom controls shown at the end. Replaces the built-in retry and remove buttons.

Events

NameTypeDescription
attachment-removeCustomEvent<{ name: string }>Fired when the remove or cancel action is pressed.
attachment-retryCustomEvent<{ name: string }>Fired when retry is pressed for a failed upload.
media-errorEventFired when the image preview cannot be loaded; the file fallback is shown.

CSS parts

Shadow DOM styling hooks used with ::part(name). Prefer CSS custom properties when they cover the change.

NameDescription
mediaMedia region wrapping the media slot and thumbnail or file-icon fallback.
contentText and status region containing the name and metadata.
nameFile-name region wrapping the name slot and fallback name.
metadataMetadata region wrapping the metadata slot and type/size fallback.
actionsActions region wrapping the actions slot and built-in action fallback.

CSS custom properties

Grouped by semantic target and state from --c2-component__target__state--property. Click a group to collapse it; click a name to copy it.

NameTypeDefaultDescription
c2-attachment
--c2-attachment--min-heightpixel76px
--c2-attachment--gappixel12px
--c2-attachment--paddingpadding10px 12px
--c2-attachment--backgroundcolor#ffffff
--c2-attachment--borderborder1px solid #e4e4e7
--c2-attachment--border-radiusborder-radius14px
--c2-attachment--box-shadowbox-shadow—
--c2-attachment--colorcolor#18181b
c2-attachment > media
--c2-attachment__media--sizepixel48px
--c2-attachment__media--backgroundcolor#f4f4f5
--c2-attachment__media--colorcolor#71717a
--c2-attachment__media--border-radiusborder-radius10px
--c2-attachment__media--object-fitobject-fitcover
c2-attachment > tile
--c2-attachment__tile--widthpixel220px
--c2-attachment__tile--media-aspect-ratioratio1
c2-attachment > name
--c2-attachment__name--font-sizefont-size14px
--c2-attachment__name--font-weightfont-weight500
c2-attachment > metadata
--c2-attachment__metadata--colorcolor#71717a
--c2-attachment__metadata--font-sizefont-size12px
c2-attachment > status
--c2-attachment__status--colorcolor#71717a
c2-attachment > status > complete
--c2-attachment__status__complete--colorcolorrgb(0, 122, 77)
c2-attachment > status > error
--c2-attachment__status__error--colorcolor#dc2626
c2-attachment > progress
--c2-attachment__progress--backgroundcolor#e4e4e7
--c2-attachment__progress--colorcolorrgb(2, 101, 220)
c2-attachment > action
--c2-attachment__action--sizepixel28px
--c2-attachment__action--colorcolor#71717a
c2-attachment > action > hover
--c2-attachment__action__hover--backgroundcolor#f4f4f5
c2-attachment > action > focus
--c2-attachment__action__focus--outlineoutline2px solid rgba(2, 101, 220, 0.4)
c2-attachment > disabled
--c2-attachment__disabled--opacityopacity0.38

c2-attachment-group

Arranges related attachments as a responsive list or grid.

Attributes

NameTypeDefaultDescription
layout'list' | 'grid' | 'mixed'listList stacks rows, grid fills equal columns, and mixed gives image tiles columns while file rows span the group.
aria-labelstring | nullAttachmentsAccessible name for the attachment collection.

Slots

NameDescription
(default)c2-attachment elements.

CSS parts

Shadow DOM styling hooks used with ::part(name). Prefer CSS custom properties when they cover the change.

NameDescription
listList region wrapping the default attachment slot.

CSS custom properties

Grouped by semantic target and state from --c2-component__target__state--property. Click a group to collapse it; click a name to copy it.

NameTypeDefaultDescription
c2-attachment-group
--c2-attachment-group--gappixel8px
--c2-attachment-group--min-column-widthpixel240px
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