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74 lines
7.8 KiB
Markdown
74 lines
7.8 KiB
Markdown
---
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title: Popover
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lang: en-US
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---
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# Popover
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## Basic usage
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Similar to Tooltip, Popover is also built with `Vue-popper`. So for some duplicated attributes, please refer to the documentation of Tooltip.
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:::demo The `trigger` attribute is used to define how popover is triggered: `hover`, `click`, `focus` or `manual`. As for the triggering element, you can write it in two different ways: use the `#reference` named slot, or use the `v-popover` directive and set it to Popover's `ref`.
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popover/basic-usage
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:::
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## Nested information
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Other components can be nested in popover. Following is an example of nested table.
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:::demo replace the `content` attribute with a default `slot`.
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popover/nested-information
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:::
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## Nested operation
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Of course, you can nest other operations. It's more light-weight than using a dialog.
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:::demo
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popover/nested-operation
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:::
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## Attributes
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| Attribute | Description | Type | Accepted Values | Default |
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| ------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | --------------- | --------------------------------------------------------------------------------------------------------- | ------------------------------------------------------- |
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| trigger | how the popover is triggered | string | click/focus/hover/manual | click |
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| title | popover title | string | — | — |
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| content | popover content, can be replaced with a default `slot` | string | — | — |
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| width | popover width | string / number | — | Min width 150px |
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| placement | popover placement | string | top/top-start/top-end/bottom/bottom-start/bottom-end/left/left-start/left-end/right/right-start/right-end | bottom |
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| disabled | whether Popover is disabled | boolean | — | false |
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| visible / v-model:visible | whether popover is visible | Boolean | — | false |
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| offset | popover offset | number | — | 0 |
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| transition | popover transition animation | string | — | el-fade-in-linear |
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| show-arrow | whether a tooltip arrow is displayed or not. For more info, please refer to [Vue-popper](https://github.com/element-component/vue-popper) | boolean | — | true |
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| popper-options | parameters for [popper.js](https://popper.js.org/documentation.html) | object | please refer to [popper.js](https://popper.js.org/documentation.html) | `{ boundariesElement: 'body', gpuAcceleration: false }` |
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| popper-class | custom class name for popover | string | — | — |
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| show-after | delay of appearance, in millisecond | number | — | 0 |
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| hide-after | delay of disappear, in millisecond | number | — | 0 |
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| auto-close | timeout in milliseconds to hide tooltip | number | — | 0 |
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| tabindex | [tabindex](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/tabindex) of Popover | number | — | — |
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## Slots
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| Name | Description |
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| --------- | ---------------------------------- |
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| — | text content of popover |
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| reference | HTML element that triggers popover |
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## Events
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| Event Name | Description | Parameters |
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| ----------- | ------------------------------------------ | ---------- |
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| show | triggers when popover shows | — |
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| after-enter | triggers when the entering transition ends | — |
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| hide | triggers when popover hides | — |
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| after-leave | triggers when the leaving transition ends | — |
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