232 lines
7.5 KiB
Markdown
232 lines
7.5 KiB
Markdown
# Select
|
|
|
|
:::tip
|
|
`Select` can be used with embedded [`Option`](./option) or [`OptionGroup`](./option-group).
|
|
:::
|
|
|
|
## Demos
|
|
|
|
### Size variants
|
|
|
|
Available size variants for the `ui` prop: `xs`/`s`/`m`/`l`.
|
|
|
|
[[ demo src="/demo/select/size.vue" ]]
|
|
|
|
### Using embedded `OptionGroup`s & `Option`s
|
|
|
|
Can be used with embedded `OptionGroup`s & `Option`s.
|
|
|
|
[[ demo src="/demo/select/inline.vue" ]]
|
|
|
|
### Searchable options
|
|
|
|
Use the `searchable` prop to make options searchable.
|
|
|
|
[[ demo src="/demo/select/searchable.vue" ]]
|
|
|
|
### Multiple selections
|
|
|
|
Use the `multiple` prop to enable multiple selections.
|
|
|
|
[[ demo src="/demo/select/multiple.vue" ]]
|
|
|
|
## API
|
|
|
|
### Props
|
|
|
|
| Name | Type | Default | Description |
|
|
| -- | -- | -- | -- |
|
|
| `ui` | `string=` | - | [^ui] |
|
|
| `options` | `Array<Object>` | `-` | [^options] |
|
|
| `value` | `Array<*>|*` | - | [^value] |
|
|
| `multiple` | `boolean` | `false` | Whether users can select multiple items. |
|
|
| `max` | `number` | - | The max items users can select. |
|
|
| `placeholder` | `string` | `select.placeholder` | Placeholder text when no option is selected. |
|
|
| `clearable` | `boolean` | `false` | Whether the select is clearable. |
|
|
| `searchable` | `boolean` | `false` | Whether the options are searchable. |
|
|
| `filter` | `function` | - | Filter function for the options. The type is `function(option: Object): boolean`. The type of `option` is the same as the `options` prop. The return value denotes whether the option is shown inside the options dropdown. |
|
|
| `expanded` | `boolean=` | `false` | [^expanded] |
|
|
| `disabled` | `boolean=` | `false` | Whether the select is disabled. |
|
|
| `readonly` | `boolean=` | `false` | Whether the select is read-only. |
|
|
| `overlay-class` | `string|Array|Object=` | - | See the `overlay-class` prop of [`Overlay`](./overlay). |
|
|
|
|
^^^ui
|
|
Style variants.
|
|
|
|
+++Enum values
|
|
| Value | Description |
|
|
| -- | -- |
|
|
| `xs` | Extra small. |
|
|
| `s` | Small. |
|
|
| `m` | Medium. |
|
|
| `l` | Large. |
|
|
^^^
|
|
|
|
^^^options
|
|
The list of options with the option type being `{label, value, options, disabled, ...}`.
|
|
|
|
+++Properties
|
|
| Name | Type | Description |
|
|
| -- | -- | -- |
|
|
| `label` | `string` | The descriptive label of the option. |
|
|
| `value` | `*` | The value of the option. |
|
|
| `options` | `Array<Object>=` | The child options of current option. The item type is the same as the items of the `options` prop. |
|
|
| `disabled` | `boolean=` | Whether the option is disabled. |
|
|
+++
|
|
^^^
|
|
|
|
^^^value
|
|
:::badges
|
|
`v-model`
|
|
:::
|
|
|
|
The value of the selected option.
|
|
^^^
|
|
|
|
^^^expanded
|
|
:::badges
|
|
`.sync`
|
|
:::
|
|
|
|
Whether the dropdown menu is expanded.
|
|
^^^
|
|
|
|
### Slots
|
|
|
|
| Name | Description |
|
|
| -- | -- |
|
|
| `default` | The content of the options dropdown layer. Can be used to place `Option`s or `OptionGroups`s when the `options` prop is not specified. |
|
|
| `before` | [^slot-before] |
|
|
| `after` | The content after the options in the dropdown layer. No default content. |
|
|
| `label` | [^slot-label] |
|
|
| `group-label` | [^slot-group-label] |
|
|
| `option-label` | [^slot-option-label] |
|
|
| `option` | [^slot-option] |
|
|
| `trigger` | [^slot-trigger] |
|
|
|
|
^^^slot-before
|
|
The content before the options in the dropdown layer. No default content.
|
|
|
|
+++Scope properties
|
|
| Name | Type | Description |
|
|
| -- | -- | -- |
|
|
| `value` | `*` | The value of the selected option. |
|
|
| `select` | `function(value: *): void` | To select a specified value. |
|
|
| `expanded` | `boolean` | Whether the dropdown menu is expanded or not. |
|
|
| `toggle` | `function(force?: boolean): void` | Used to toggle the expanded state of the dropdown menu. |
|
|
+++
|
|
^^^
|
|
|
|
^^^slot-label
|
|
The content of the select button. Displays the `label` of selected option or the text content of the selected embedded option by default.
|
|
|
|
+++Scope properties
|
|
| Name | Type | Description |
|
|
| -- | -- | -- |
|
|
| `label` | `string` | The descriptive label of the selected option. |
|
|
| `value` | `*` | The value of the selected option. |
|
|
| `selected` | `boolean` | Whether the select has a selected value. |
|
|
| `disabled` | `boolean=` | Whether the option is disabled. |
|
|
+++
|
|
|
|
Additionally, custom properties apart from the listed ones will also be passes into the scope object via `v-bind`.
|
|
^^^
|
|
|
|
^^^slot-group-label
|
|
The label text of each option group (option with child `options`). Displays the `label` of the option by default.
|
|
|
|
+++Scope properties
|
|
| Name | Type | Description |
|
|
| -- | -- | -- |
|
|
| `label` | `string` | The descriptive label of the option group. |
|
|
| `disabled` | `boolean=` | Whether the option group is disabled. |
|
|
+++
|
|
|
|
Additionally, custom properties in current option, apart from the listed ones, will also be passes into the scope object via `v-bind`.
|
|
^^^
|
|
|
|
^^^slot-option-label
|
|
The label text of each option (option without child `options`). Displays the `label` of the option by default.
|
|
|
|
+++Scope properties
|
|
| Name | Type | Description |
|
|
| -- | -- | -- |
|
|
| `label` | `string` | The descriptive label of the option. |
|
|
| `value` | `*` | The value of the option. |
|
|
| `selected` | `boolean` | Whether the the option is selected. |
|
|
| `disabled` | `boolean=` | Whether the option is disabled. |
|
|
+++
|
|
|
|
Additionally, custom properties in current option, apart from the listed ones, will also be passes into the scope object via `v-bind`.
|
|
^^^
|
|
|
|
^^^slot-option
|
|
The entire content area of each option (option without child `options`). Displays the default content of `Options` component by default.
|
|
|
|
+++Scope properties
|
|
| Name | Type | Description |
|
|
| -- | -- | -- |
|
|
| `label` | `string` | The descriptive label of the option. |
|
|
| `value` | `*` | The value of the option. |
|
|
| `selected` | `boolean` | Whether the the option is selected. |
|
|
| `disabled` | `boolean=` | Whether the option is disabled. |
|
|
+++
|
|
|
|
Additionally, custom properties in current option, apart from the listed ones, will also be passes into the scope object via `v-bind`.
|
|
^^^
|
|
|
|
^^^slot-trigger
|
|
The entire drop-down trigger area. Displays the select input by default.
|
|
|
|
+++Scope properties
|
|
| Name | Type | Description |
|
|
| --- | --- | --- |
|
|
| `attrs` | `Object` | Attributes that need to be output to the trigger element, including `aria-*`/`disabled`, etc., can be output using `v-bind="attrs"`. |
|
|
| `value` | `*` | The value of the selected option. |
|
|
| `select` | `function(value: *): void` | To select a specified value. |
|
|
| `handlers` | `Object` | [^handlers-desc] |
|
|
| `expanded` | `boolean` | Whether the dropdown menu is expanded or not. |
|
|
| `toggle` | `function(force?: boolean): void` | Used to toggle the expanded state of the dropdown menu. |
|
|
+++
|
|
^^^
|
|
|
|
^^^^handlers-desc
|
|
Event listeners that need to be bound to the trigger element, can be output using `v-on="handlers"`.
|
|
|
|
:::tip
|
|
The element used to bind `handlers` needs to support focus acquisition so that various keyboard interactions can still be triggered properly.
|
|
:::
|
|
^^^
|
|
|
|
### Events
|
|
|
|
| Name | Description |
|
|
| -- | -- |
|
|
| `change` | [^event-change] |
|
|
| `toggle` | Triggered when the expanded state is going to change. The callback parameter list is `(expanded: boolean)`. `expanded` denotes whether the dropdown menu is to be expanded or collapsed. |
|
|
|
|
^^^event-change
|
|
:::badges
|
|
`v-model`
|
|
:::
|
|
|
|
Triggers when the selected option changed. The callback parameter list is `(value: *)` and `value` is the value of the selected option.
|
|
^^^
|
|
|
|
### Global config
|
|
|
|
| Key | Type | Default | Description |
|
|
| -- | -- | -- | -- |
|
|
| `select.placeholder` | `string` | `@@select.placeholder` | The placeholder text when no option is selected. |
|
|
|
|
:::tip
|
|
`@@` prefixed values denote corresponding properties in the locale settings.
|
|
:::
|
|
|
|
### Icons
|
|
|
|
| Name | Description |
|
|
| -- | -- |
|
|
| `expand` | Expand the dropdown layer. |
|
|
| `collapse` | Collapse the dropdown layer. |
|