Select API
Here is a comprehensive list of all the options, events and methods of the Select component.
Options
anchor
HTMLElement
Specifies the anchor element for positioning, if display is set to 'anchored'
.
Default value: undefined
animation
boolean | "pop" | "slide-down" | "slide-up"
Animation to use when the component is opened or closed, if display is not set to 'inline'
.
Possible values:
'pop'
'slide-down'
'slide-up'
If false
, the animation is turned off.
Default value: undefined
ariaLabel
string
Specifies the accessible name of the picker input.
Default value: undefined
buttons
Array<string | MbscPopupButton>
Buttons to display. Each item of the array will be a button. A button can be specified as a string, or as a button object.
If a string, it must be one of the predefined buttons:
'ok'
- Approve action. Will display the caption specified by the okText option.'cancel'
- Dismisses the popup. Will display the caption specified by the cancelText option.'close'
- Closes the popup. Will display the caption specified by the closeText option.'set'
- Approve action. Will display the caption specified by the setText option.
The button object can have the following properties:
text
: string - Text of the button.handler
: string | () => void - The handler function which will run when the button is pressed. If a string, it must be one of the predefined button handlers:'set'
- Approve action.'cancel'
- Dismiss the popup.
icon
: string - Icon for the button.cssClass
: string - CSS class for the button.disabled
: boolean - The disabled state of the button.keyCode
: number | string | Array<number | string> - The key code associated with the button to activate it from keyboard. Can be a single value or multiple value passed as an array. Predefined string values are:'enter'
,'esc'
,'space'
.
buttons: [
'set',
{
text: 'Custom',
icon: 'checkmark',
cssClass: 'my-btn',
handler: function (event) {
alert('Custom button clicked!');
}
},
'cancel'
]
buttons: [
'set',
{
text: 'Hide',
handler: 'cancel',
icon: 'close',
cssClass: 'my-btn'
}
]
Default value: ['set', 'cancel']
circular
boolean | Array<boolean>
If true
, the scroll wheels are circular. If an array, it can be specified as a per wheel configuration, e.g. for 3 wheels:
[true, false, false]
sets the first wheel circular.
If not specified, if a wheel has more values than the number of the displayed rows, the scroll wheel becomes circular.
Default value: undefined
closeOnEsc
boolean
If true
, the popup is closed when the ESC key is pressed.
Default value: true
closeOnOverlayClick
boolean
If true
, the popup is closed on overlay click or tap.
Default value: true
context
string | HTMLElement
Specify the DOM element in which the component is rendered and positioned, if display is not 'inline'
.
Can be a selector string or a DOM element.
Default value: 'body'
cssClass
string
Specifies a custom CSS class for the component.
Default value: undefined
data
Array<string | number | MbscSelectData>
Specifies the selectable options for the component.
When it's an array of strings, the selectable options will be the items of the array. The strings will appear on the picker, and the selected values will be the strings themselves.
When it's an array of objects, the objects can have the following properties:
text
: string - The text of the option.value
: any - The value of the option.group
: string - The group name in case of grouped options.disabled
: boolean - The disabled state of the option. Disabled options cannot be selected.
Default value: undefined
defaultSelection
any
Default selection which appears on the picker. The provided value will not be set as picker value, it's only a pre-selection.
Default value: undefined
disabled
boolean
Specifies the disabled state of the input.
Default value: false
display
MbscPopupDisplay
Controls the positioning of the component. Possible options:
'center'
- The component appears as a popup at the center of the viewport.'inline'
- The component is rendered inline.'anchored'
- The component appears positioned to the element defined by the anchor option.'top'
- The component appears docked to the top of the viewport.'bottom'
- The component appears docked to the bottom of the viewport.
The default display mode depends on the theme, it defaults to 'bottom'
for the iOS theme and
to 'center'
for all other themes.
Default value: undefined
dropdown
boolean
If false
, the down arrow icon is hidden.
Default value: true
endIcon
string
Specifies the icon which will be displayed at the end of the input. Use the startIcon option for specifying an icon at the start.
Default value: undefined
error
boolean
If true
, the input will be displayed with error styles.
Default value: false
errorMessage
string
Error message for the input. If the error option is set to true
, the message will be displayed.
Default value: undefined
filter
boolean
If true
, it turns filtering on. A filter input will be rendered above the selectable options.
Typing in the input will filter the selectable options and will also trigger the onFilter event.
The default behavior is based on the presence of the search term in the option text. The onFilter event can be used to prevent the default filtering and customize the experience.
Default value: false
focusOnClose
boolean
If true
, after closing the popup the focus will be moved to the last focused element
before the popup was opened.
Default value: true
focusOnOpen
boolean
If true
, the popup will receive the focus when opened.
Default value: true
focusTrap
boolean
If true
and display is not set to 'inline'
, focus won't be allowed to leave the popup.
Default value: true
headerText
string
Specifies a custom string which appears in the picker header.
If it contains the '{value}'
string, it will be replaced with the selected value of the picker.
Default value: undefined
inputStyle
"outline" | "box" | "underline"
Specifies the style of the input. Possible values:
'underline'
'box'
'outline'
The default value depends on the theme:
- iOS:
'underline'
- Material:
'box'
- Windows:
'outline'
Default value: undefined
invalid
Array<any>
An array of values that are invalid. Invalid options cannot be selected, and show up as disabled on the Select.
Default value: undefined
isOpen
boolean
Specifies if the component is opened or not. Use it together with the onClose event, by setting it
to false
when the component closes.
Default value: false
itemHeight
number
Height in pixels of one item on the wheel. The default value depends on the theme:
- iOS: 34
- Material: 40
- Windows: 44
label
string
Specifies the label of the input.
Default value: undefined
labelStyle
"inline" | "floating" | "stacked"
Specifies the position of the input label. Possible values:
'stacked'
'inline'
'floating'
The default value depends on the theme:
- iOS:
'inline'
- Material:
'floating'
- Windows:
'stacked'
Default value: undefined
maxWheelWidth
number | Array<number>
Maximum width of the scroller wheels in pixels. If a number, it is applied to all wheels, if an array, it is applied to each wheel separately.
Default value: undefined
minWheelWidth
number | Array<number>
Minimum width of the scroller wheels in pixels. If a number, it is applied to all wheels, if an array, it is applied to each wheel separately.
Default value: undefined
responsive
missing
Specifies different options for different container widths, in a form of an object, where the keys are the name of the breakpoints, and the values are objects containing the options for the given breakpoint.
The available width is queried from the container element of the component and not the browsers viewport like in css media queries
There are five predefined breakpoints:
xsmall
- min-width: 0pxsmall
- min-width: 576pxmedium
- min-width: 768pxlarge
- min-width: 992pxxlarge
- min-width: 1200px
Custom breakpoints can be defined by passing an object containing the breakpoint
property specifying the min-width in pixels.
Example:
responsive: {
small: {
display: 'bottom'
},
custom: { // Custom breakpoint
breakpoint: 600,
display: 'center'
},
large: {
display: 'anchored'
}
}
Default value: undefined
rows
number
Number of visible rows on the wheel. The default value depends on the theme:
- iOS: 5
- Material: 3
- Windows: 6
selectMultiple
boolean
If true
, multiple selection will be enabled.
Default value: false
showArrow
boolean
Show or hide the popup arrow, when display is 'anchored'
.
Default value: true
showGroupWheel
boolean
If true
and the Select has groups, two columns will be rendered on the picker,
the first containing the group labels, and the second one the options.
Groups can be specified either by optgroup
elements, when the data comes from the html markup,
or by using the group
property of the option objects, when the data option is used.
Default value: false
showInput
boolean
If true
, it will render an input field for the component.
Default value: true
showOnClick
boolean
Opens the component on element click/tap.
Default value: true
showOnFocus
boolean
Opens the component on element focus.
Default value: false on desktop, true on mobile
showOverlay
boolean
Show or hide the popup overlay.
Default value: true
startIcon
string
Specifies the icon which will be displayed at the start of the input. Use the endIcon option for specifying an icon at the end.
Default value: undefined
tagInput
boolean
If true
and used with multiple selection,
it will display the selected values inside the input as tags (chips).
Default value: false
theme
string
Specifies the visual appearance of the component.
If it is 'auto'
or undefined
, the theme will automatically be chosen based on the platform.
If custom themes are also present, they will take precedence over the built in themes, e.g. if there's an iOS based custom theme,
it will be chosen on the iOS platform instead of the default iOS theme.
Supplied themes:
'ios'
- iOS theme'material'
- Material theme'windows'
- Windows theme
It's possible to modify theme colors or create custom themes.
Make sure that the theme you set is included in the downloaded package.
Default value: undefined
themeVariant
"dark" | "light" | "auto"
Controls which variant of the theme will be used (light or dark).
Possible values:
'light'
- Use the light variant of the theme.'dark'
- Use the dark variant of the theme.'auto'
orundefined
- Detect the preferred system theme on devices where this is supported.
To use the option with custom themes, make sure to create two custom themes, where the dark version has the same name as the light one,
suffixed with '-dark'
, e.g.: 'my-theme'
and 'my-theme-dark'
.
Default value: undefined
touchUi
boolean | "auto"
Use true
to render a touch optimized user interface, or false
for a user interface optimized for pointer devices (mouse, touchpad).
Can be used with the responsive option to change the user interface based on viewport width.
If set to 'auto'
, the touch UI will be automatically enabled based on the platform.
Default value: 'auto'
wheelWidth
number | Array<number>
Width of the scroller wheels, in pixels. Wheel content will be truncated, if it exceeds the width. If a number, it is applied to all wheels, if an array, it is applied to each wheel separately.
Default value: undefined
Events
@cancel
(args: MbscSelectCancelEvent, inst: SelectBase) => void
Triggered when the picker is canceled.
Parameters:
args - The event argument with the following properties:
value
: any - The selected value.valueText
: string - The selected value as text.
inst - The component instance.
@change
(args: MbscSelectChangeEvent, inst: SelectBase) => void
Triggered when the value is changed.
Parameters:
args - The event argument with the following properties:
value
: any - The selected value.valueText
: string - The selected value as text.
inst - The component instance.
@close
(args: MbscSelectCloseEvent, inst: SelectBase) => void
Triggered when the picker is closed.
Parameters:
args - The event argument with the following properties:
value
: any - The selected value.valueText
: string - The selected value as text.
inst - The component instance.
@destroy
(args: any, inst: any) => void
Triggered when the component is destroyed.
Parameters:
args - The event argument object.
inst - The component instance.
@filter
(args: MbscSelectFilterEvent, inst: SelectBase) => boolean
Triggered when the value of the filter input changes. Filtering can be turned on with the filter option.
To fully customize the filtering, the default behavior can be prevented by returning false
from the handler function.
Parameters:
args - The event argument with the following properties:
filterText
: string - The value of the filter input.
inst - The component instance.
@init
(args: any, inst: any) => void
Triggered when the component is initialized.
Parameters:
args - The event argument object.
inst - The component instance.
@open
(args: MbscSelectOpenEvent, inst: SelectBase) => void
Triggered when the picker is opened.
Parameters:
args - The event argument with the following properties:
target
: HTMLElement - The DOM element of the popup.value
: any - The selected value.valueText
: string - The selected value as text.
inst - The component instance.
@temp-change
(args: MbscSelectTempChangeEvent, inst: SelectBase) => void
Triggered when the temporary value is changed.
Parameters:
args - The event argument with the following properties:
value
: any - The selected value.
inst - The component instance.
Localization
cancelText
string
Text for the "Cancel" button.
Default value: 'Cancel'
closeText
string
Text for the "Close" button.
Default value: 'Close'
filterEmptyText
string
Text for the empty state of the Select. The Select will show this message, when filtering is turned on and there are no results for the searched text.
Default value: 'No results'
filterPlaceholderText
string
Placeholder text for the filter input, when filtering is turned on.
Default value: 'Search'
locale
string | MbscLocale
Sets the language of the component. The locale object contains all the translations for a given language. The built in language modules are listed below. If a language is not listed, it can be provided as a custom language module.
Supported values:
- Arabic:
localeAr
,'ar'
- Bulgarian:
localeBg
,'bg'
- Catalan:
localeCa
,'ca'
- Czech:
localeCs
,'cs'
- Chinese:
localeZh
,'zh'
- Croatian:
localeHr
,'hr'
- Danish:
localeDa
,'da'
- Dutch:
localeNl
,'nl'
- English:
localeEn
orundefined
,'en'
- English (UK):
localeEnGB
,'en-GB'
- Farsi:
localeFa
,'fa'
- German:
localeDe
,'de'
- Greek:
localeEl
,'el'
- Spanish:
localeEs
,'es'
- Finnish:
localeFi
,'fi'
- French:
localeFr
,'fr'
- Hebrew:
localeHe
,'he'
- Hindi:
localeHi
,'hi'
- Hungarian:
localeHu
,'hu'
- Italian:
localeIt
,'it'
- Japanese:
localeJa
,'ja'
- Korean:
localeKo
,'ko'
- Lithuanian:
localeLt
,'lt'
- Norwegian:
localeNo
,'no'
- Polish:
localePl
,'pl'
- Portuguese (Brazilian):
localePtBR
,'pt-BR'
- Portuguese (European):
localePtPT
,'pt-PT'
- Romanian:
localeRo
,'ro'
- Russian:
localeRu
,'ru'
- Russian (UA):
localeRuUA
,'ru-UA'
- Slovak:
localeSk
,'sk'
- Serbian:
localeSr
,'sr'
- Swedish:
localeSv
,'sv'
- Thai:
localeTh
,'th'
- Turkish:
localeTr
,'tr'
- Ukrainian:
localeUa
,'ua'
Default value: undefined
okText
string
Text for the "Ok" button.
Default value: 'Ok'
rtl
boolean
Enables right-to-left display.
Default value: false
setText
string
Text for the "Set" button.
Default value: 'Set'
Methods
getTempVal
() => any
Returns the temporary value selected on the picker.
setTempVal
(value: any) => void
Sets the temporary value to be selected on the picker. The value will be committed when the user hits the set button.
Slots
item
<template #item="args">...</template>
Customize each selectable item on the wheel.
When the group wheel is also shown using the showGroupWheel
option,
the data
property and the isGroup
property of the item will be undefined
in the case of the group wheel items.
So, you can distinguish from the group wheel and the option wheel by checking if both the data
and the isGroup
are undefined.
Available parameters:
display
: string - The text of the item.value
: any - The value of the item.isGroup
: boolean - For group headers this property will be truedata
: MbscSelectData - The original option item that is passed in thedata
array