195 lines
6.1 KiB
Markdown
195 lines
6.1 KiB
Markdown
# Select
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:::tip
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`Select` can be used with embedded [`Option`](./option) or [`OptionGroup`](./option-group).
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:::
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## Demos
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### Size variants
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Available size variants for the `ui` prop: `xs`/`s`/`m`/`l`.
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[[ demo src="/demo/select/size.vue" ]]
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### Using embedded `OptionGroup`s & `Option`s
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Can be used with embedded `OptionGroup`s & `Option`s.
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[[ demo src="/demo/select/inline.vue" ]]
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### Searchable options
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Use the `searchable` prop to make options searchable.
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[[ demo src="/demo/select/searchable.vue" ]]
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### Multiple selections
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Use the `multiple` prop to enable multiple selections.
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[[ demo src="/demo/select/multiple.vue" ]]
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## API
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### Props
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| Name | Type | Default | Description |
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| -- | -- | -- | -- |
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| `ui` | `string=` | - | [^ui] |
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| `options` | `Array<Object>` | `-` | [^options] |
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| `value` | `Array<*>|*` | - | [^value] |
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| `multiple` | `boolean` | `false` | Whether users can select multiple items. |
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| `max` | `number` | - | The max items users can select. |
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| `placeholder` | `string` | `select.placeholder` | Placeholder text when no option is selected. |
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| `clearable` | `boolean` | `false` | Whether the select is clearable. |
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| `searchable` | `boolean` | `false` | Whether the options are searchable. |
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| `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. |
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| `expanded` | `boolean=` | `false` | [^expanded] |
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| `disabled` | `boolean=` | `false` | Whether the select is disabled. |
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| `readonly` | `boolean=` | `false` | Whether the select is read-only. |
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| `overlay-class` | `string|Array|Object=` | - | See the `overlay-class` prop of [`Overlay`](./overlay). |
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^^^ui
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Style variants.
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+++Enum values
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| Value | Description |
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| -- | -- |
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| `xs` | Extra small. |
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| `s` | Small. |
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| `m` | Medium. |
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| `l` | Large. |
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^^^
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^^^options
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The list of options with the option type being `{label, value, options, disabled, ...}`.
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+++Properties
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| Name | Type | Description |
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| -- | -- | -- |
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| `label` | `string` | The descriptive label of the option. |
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| `value` | `*` | The value of the option. |
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| `options` | `Array<Object>=` | The child options of current option. The item type is the same as the items of the `options` prop. |
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| `disabled` | `boolean=` | Whether the option is disabled. |
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+++
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^^^
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^^^value
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:::badges
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`v-model`
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:::
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The value of the selected option.
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^^^
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^^^expanded
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:::badges
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`.sync`
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:::
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Whether the dropdown menu is expanded.
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^^^
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### Slots
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| Name | Description |
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| -- | -- |
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| `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. |
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| `before` | The content before the options in the dropdown layer. |
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| `after` | The content after the options in the dropdown layer. |
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| `label` | [^scoped-slot-label] |
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| `group-label` | [^scoped-slot-group-label] |
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| `option-label` | [^scoped-slot-option-label] |
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| `option` | [^scoped-slot-option] |
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^^^scoped-slot-label
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The content of the select button. Displays the `label` of selected option or the text content of the selected embedded option by default.
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+++Scope properties
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| Name | Type | Description |
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| -- | -- | -- |
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| `label` | `string` | The descriptive label of the selected option. |
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| `value` | `*` | The value of the selected option. |
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| `selected` | `boolean` | Whether the select has a selected value. |
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| `disabled` | `boolean=` | Whether the option is disabled. |
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+++
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Additionally, custom properties apart from the listed ones will also be passes into the scope object via `v-bind`.
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^^^
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^^^scoped-slot-group-label
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The label text of each option group (option with child `options`). Displays the `label` of the option by default.
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+++Scope properties
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| Name | Type | Description |
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| -- | -- | -- |
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| `label` | `string` | The descriptive label of the option group. |
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| `disabled` | `boolean=` | Whether the option group is disabled. |
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+++
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Additionally, custom properties in current option, apart from the listed ones, will also be passes into the scope object via `v-bind`.
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^^^
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^^^scoped-slot-option-label
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The label text of each option (option without child `options`). Displays the `label` of the option by default.
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+++Scope properties
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| Name | Type | Description |
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| -- | -- | -- |
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| `label` | `string` | The descriptive label of the option. |
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| `value` | `*` | The value of the option. |
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| `selected` | `boolean` | Whether the the option is selected. |
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| `disabled` | `boolean=` | Whether the option is disabled. |
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+++
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Additionally, custom properties in current option, apart from the listed ones, will also be passes into the scope object via `v-bind`.
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^^^
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^^^scoped-slot-option
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The entire content area of each option (option without child `options`). Displays the default content of `Options` component by default.
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+++Scope properties
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| Name | Type | Description |
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| -- | -- | -- |
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| `label` | `string` | The descriptive label of the option. |
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| `value` | `*` | The value of the option. |
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| `selected` | `boolean` | Whether the the option is selected. |
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| `disabled` | `boolean=` | Whether the option is disabled. |
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+++
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Additionally, custom properties in current option, apart from the listed ones, will also be passes into the scope object via `v-bind`.
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^^^
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### Events
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| Name | Description |
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| -- | -- |
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| `change` | [^event-change] |
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| `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. |
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^^^event-change
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:::badges
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`v-model`
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:::
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Triggers when the selected option changed. The callback parameter list is `(value: *)` and `value` is the value of the selected option.
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^^^
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### Global config
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| Key | Type | Default | Description |
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| -- | -- | -- | -- |
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| `select.placeholder` | `string` | `@@select.placeholder` | The placeholder text when no option is selected. |
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:::tip
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`@@` prefixed values denote corresponding properties in the locale settings.
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:::
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### Icons
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| Name | Description |
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| -- | -- |
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| `expand` | Expand the dropdown layer. |
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| `collapse` | Collapse the dropdown layer. |
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