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91 lines
8.1 KiB
Markdown
91 lines
8.1 KiB
Markdown
---
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title: Tooltip
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lang: en-US
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---
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# Tooltip
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Display prompt information for mouse hover.
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## Basic usage
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Tooltip has 9 placements.
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:::demo Use attribute `content` to set the display content when hover. The attribute `placement` determines the position of the tooltip. Its value is `[orientation]-[alignment]` with four orientations `top`, `left`, `right`, `bottom` and three alignments `start`, `end`, `null`, and the default alignment is null. Take `placement="left-end"` for example, Tooltip will display on the left of the element which you are hovering and the bottom of the tooltip aligns with the bottom of the element.
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tooltip/basic
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:::
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## Theme
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Tooltip has two themes: `dark` and `light`。
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:::demo Set `effect` to modify theme, and the default value is `dark`.
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tooltip/theme
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:::
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## More Content
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Display multiple lines of text and set their format.
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:::demo Override attribute `content` of `el-tooltip` by adding a slot named `content`.
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tooltip/rich-content
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:::
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## Advanced usage
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In addition to basic usages, there are some attributes that allow you to customize your own:
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`transition` attribute allows you to customize the animation in which the tooltip shows or hides, and the default value is el-fade-in-linear.
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`disabled` attribute allows you to disable `tooltip`. You just need set it to `true`.
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In fact, Tooltip is an extension based on [Vue-popper](https://github.com/element-component/vue-popper), you can use any attribute that are allowed in Vue-popper.
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:::demo
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tooltip/advanced-usage
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:::
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:::tip
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The `router-link` component is not supported in tooltip, please use `vm.$router.push`.
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Disabled form elements are not supported for Tooltip, more information can be found at [MDN](https://developer.mozilla.org/en-US/docs/Web/Events/mouseenter). You need to wrap the disabled form element with a container element for Tooltip to work.
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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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| append-to-body | whether to append Dialog itself to body. A nested Dialog should have this attribute set to `true` | boolean | — | true |
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| effect | Tooltip theme | string | dark/light | dark |
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| content | display content, can be overridden by `slot#content` | String | — | — |
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| placement | position of Tooltip | 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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| model-value / v-model | visibility of Tooltip | boolean | — | false |
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| disabled | whether Tooltip is disabled | boolean | — | false |
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| offset | offset of the Tooltip | number | — | 0 |
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| transition | animation name | string | — | el-fade-in-linear |
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| visible-arrow | whether an arrow is displayed. For more information, check [Vue-popper](https://github.com/element-component/vue-popper) page | boolean | — | true |
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| popper-options | [popper.js](https://popper.js.org/documentation.html) parameters | Object | refer to [popper.js](https://popper.js.org/documentation.html) doc | `{ boundariesElement: 'body', gpuAcceleration: false }` |
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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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| manual | whether to control Tooltip manually. `mouseenter` and `mouseleave` won't have effects if set to `true` | boolean | — | false |
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| popper-class | custom class name for Tooltip's popper | string | — | — |
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| enterable | whether the mouse can enter the tooltip | Boolean | — | true |
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| tabindex | [tabindex](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/tabindex) of Tooltip | number | — | 0 |
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## Slots
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| Name | Description |
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| ---- | ------------------------- |
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| — | customize default content |
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