Class: SelectFileWidget

.ui.SelectFileWidget(configopt)

new SelectFileWidget(configopt)

SelectFileWidgets allow for selecting files, using the HTML5 File API. These widgets can be configured with icons and indicators. Please see the [OOjs UI documentation on MediaWiki] [1] for more information and examples.

Parameters:
Name Type Attributes Description
config Object <optional>

Configuration options

Properties
Name Type Attributes Default Description
accept Array.<string> | null <optional>
 null

MIME types to accept. null accepts all types.
placeholder string <optional>

Text to display when no file is selected.
notsupported string <optional>

Text to display when file support is missing in the browser.
droppable boolean <optional>
 true

Whether to accept files by drag and drop.
showDropTarget boolean <optional>
 false

Whether to show a drop target. Requires droppable to be true.
thumbnailSizeLimit number <optional>
 20

File size limit in MiB above which to not try and show a preview (for performance)
Mixes In:
Source:
Example
// Example of a file select widget
    var selectFile = new OO.ui.SelectFileWidget();
    $( 'body' ).append( selectFile.$element );

[1]: https://www.mediawiki.org/wiki/OOjs_UI/Widgets

Extends

Methods

blur()

Blur the widget.

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focus()

Focus the widget.

Focusses the select file button.

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getClosestScrollableElementContainer() → {HTMLElement}

Get closest scrollable container.

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Returns:

Closest scrollable container

Type
HTMLElement

getData() → {Mixed}

Get element data.

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Returns:

Element data

Type
Mixed

getElementDocument() → {HTMLDocument}

Get the DOM document.

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Returns:

Document object

Type
HTMLDocument

getElementGroup() → {OO.ui.mixin.GroupElement|null}

Get group element is in.

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Returns:

Group element, null if none

Type
OO.ui.mixin.GroupElement | null

getElementId() → {string}

Ensure that the element has an 'id' attribute, setting it to an unique value if it's missing, and return its value.

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Returns:
Type
string

getElementWindow() → {Window}

Get the DOM window.

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Returns:

Window object

Type
Window

getInputId() → {string|null}

Get an ID of a labelable node which is part of this widget, if any, to be used for <label for> value.

If this function returns null, the widget should have a meaningful #simulateLabelClick method instead.

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Returns:

The ID of the labelable element

Type
string | null

getTagName() → {string}

Get the HTML tag name.

Override this method to base the result on instance information.

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Returns:

HTML tag name

Type
string

getValue() → {File|null}

Get the current value of the field

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Returns:
Type
File | null

isDisabled() → {boolean}

Check if the widget is disabled.

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Returns:

Widget is disabled

Type
boolean

isElementAttached() → {boolean}

Check if the element is attached to the DOM

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Returns:

The element is attached to the DOM

Type
boolean

isVisible() → {boolean}

Check if element is visible.

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Returns:

element is visible

Type
boolean

loadAndGetImageUrl() → {jQuery.Promise}

If the selected file is an image, get its URL and load it.

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Returns:

Promise resolves with the image URL after it has loaded

Type
jQuery.Promise

(protected) restorePreInfuseState(state)

Restore the pre-infusion dynamic state for this widget.

This method is called after #$element has been inserted into DOM. The parameter is the return value of #gatherPreInfuseState.

Parameters:
Name Type Description
state Object
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scrollElementIntoView(configopt) → {jQuery.Promise}

Scroll element into view.

Parameters:
Name Type Attributes Description
config Object <optional>

Configuration options
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Returns:

Promise which resolves when the scroll is complete

Type
jQuery.Promise

setData(data)

Set element data.

Parameters:
Name Type Description
data Mixed

Element data
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setDisabled(disabled)

Set the 'disabled' state of the widget.

When a widget is disabled, it cannot be used and its appearance is updated to reflect this state.

Parameters:
Name Type Description
disabled boolean

Disable widget
Overrides:
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setElementGroup(group)

Set group element is in.

Parameters:
Name Type Description
group OO.ui.mixin.GroupElement | null

Group element, null if none
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setElementId(id)

Set the element has an 'id' attribute.

Parameters:
Name Type Description
id string
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setValue(file)

Set the current value of the field

Parameters:
Name Type Description
file File | null

File to select
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simulateLabelClick()

Simulate the behavior of clicking on a label (a HTML <label> element) bound to this input. HTML only allows <label> to act on specific "labelable" elements; complex widgets might need to override this method to provide intuitive, accessible behavior.

By default, this does nothing. OO.ui.mixin.TabIndexedElement overrides it for focusable widgets. Individual widgets may override it too.

This method is called by OO.ui.LabelWidget and OO.ui.FieldLayout. It should not be called directly.

Overrides:
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supports(methods) → {boolean}

Check if element supports one or more methods.

Parameters:
Name Type Description
methods string | Array.<string>

Method or list of methods to check
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Returns:

All methods are supported

Type
boolean

toggle(showopt)

Toggle visibility of an element.

Parameters:
Name Type Attributes Description
show boolean <optional>

Make element visible, omit to toggle visibility
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Fires:
  • event:visible

updateDisabled()

Update the disabled state, in case of changes in parent widget.

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updateThemeClasses()

Update the theme-provided classes.

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(protected) updateUI()

Update the user interface when a file is selected or unselected

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