element-plus/docs/en-US/component/image.md
Xc 335569e8a7
feat(components)[image] imageviewer add close-on-press-escape(#7154) (#7182)
* feat: imageviewer add close-on-press-escape(#7154)

Co-authored-by: xiaochenchen <xiaochen.chen@igg.com>
2022-04-25 13:34:40 +08:00

8.6 KiB

title lang
Image en-US

Image

Besides the native features of img, support lazy load, custom placeholder and load failure, etc.

Basic Usage

:::demo Indicate how the image should be resized to fit its container by fit, same as native object-fit

image/basic-usage

:::

Placeholder

:::demo Custom placeholder content when image hasn't loaded yet by slot = placeholder

image/placeholder

:::

Load Failed

:::demo Custom failed content when error occurs to image load by slot = error

image/load-failed

:::

Lazy Load

:::demo Use lazy load by lazy = true. Image will load until scroll into view when set. You can indicate scroll container that adds scroll listener to by scroll-container. If undefined, will be the nearest parent container whose overflow property is auto or scroll.

image/lazy-load

:::

Image Preview

:::demo allow big image preview by setting previewSrcList prop. You can initialize the position of the first picture previewed by initial-index. The default initial position is 0.

image/image-preview

:::

Image API

Image Attributes

Name Description Type Default
src image source, same as native. string
fit indicate how the image should be resized to fit its container, same as object-fit. 'fill' | 'contain' | 'cover' | 'none' | 'scale'-down'
hide-on-click-modal when enabling preview, use this flag to control whether clicking on backdrop can exit preview mode. boolean false
lazy whether to use lazy load. boolean false
scroll-container the container to add scroll listener when using lazy load. string | HTMLElement the nearest parent container whose overflow property is auto or scroll.
alt native attribute alt. string
referrer-policy native attribute referrerPolicy. string
preview-src-list allow big image preview. string[]
z-index set image preview z-index. number
initial-index initial preview image index, less than the length of url-list. number 0
close-on-press-escape whether the image-viewer can be closed by pressing ESC boolean true
preview-teleported whether to append image-viewer to body. A nested parent element attribute transform should have this attribute set to true. boolean false

Image Events

Name Description Type
load same as native load. (e: Event) => void
error same as native error. (e: Error) => void
switch trigger when switching images. (index: number) => void
close trigger when clicking on close button or when hide-on-click-modal enabled clicking on backdrop. () => void

Image Slots

Name Description
placeholder triggers when image load.
error triggers when image load failed.
viewer description of the image.

Image Viewer API

Image Viewer Attributes

Name Description Type Default
url-list preview link list. string[] []
z-index preview backdrop z-index. number | string
initial-index the initial preview image index, less than or equal to the length of url-list. number 0
infinite whether preview is infinite. boolean true
hide-on-click-modal whether user can emit close event when clicking backdrop. boolean false
teleported whether to append image itself to body. A nested parent element attribute transform should have this attribute set to true. boolean false

Image Viewer Events

Event name Description Type
close trigger when clicking on close button or when hide-on-click-modal enabled clicking on backdrop. () => void
switch trigger when switching images. (index: number) => void