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142 lines
5.2 KiB
Markdown
142 lines
5.2 KiB
Markdown
---
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title: Space
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lang: en-US
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---
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# Space
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Even though we have [Divider](/en-US/component/divider), but sometimes we need more than one [Divider](/en-US/component/divider) to split the elements apart, so we stack each elements upon [Divider](/en-US/component/divider), but doing so not only makes our code ugly but also makes it difficult to maintain. **Space** is this kind of component provides us both productivity and elegance.
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## Basic usage
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The basic use case is using this component to provide unified space between each components
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:::demo Using Space to provide space
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space/basic
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:::
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## Vertical layout
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Using `direction` attribute to control the layout, we use `flex-direction` to implement this.
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:::demo We also provide vertical layout.
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space/vertical-layout
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:::
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## Control the size of the space
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Control the space size via `size` API.
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You can set the size with built-in sizes `mini`, `small`, `medium`, `large`, these size coresponds to `4px`, `8px`, `12px`, `16px`. The default size is `small`, A.K.A. `8px`
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You can also using customized size to override it. Refer to the next part.
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:::demo
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space/control-size
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:::
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## Customized Size
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Sometimes built-in sizes could not meet the business needs, we can use custom size (number type) to control the space between items.
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:::demo
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space/customized-size
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:::
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:::tip
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Do not use `ElSpace` with components that depend on ancestor width (height), e.g. `ElSlider`, in this case when you drag the trigger button the bar will grow which causes misplacement between cursor and trigger button.
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:::
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## Auto wrapping
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When in **horizontal** mode, using `wrap` (**bool type**) to control auto wrapping behavior.
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:::demo Using `wrap` to control line wrap
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space/auto-wrapping
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:::
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## Spacer
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Sometimes we want something more than blank space, so we have (spacer) to help us.
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## Literal type spacer
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:::demo
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space/literal-type-spacer
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:::
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## Spacer can also be VNode
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:::demo
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space/vnode-type-spacer
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:::
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## Alignment
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Setting this attribute can adjust the alignment of child nodes, the desirable value can be found at [align-items](https://developer.mozilla.org/en-US/docs/Web/CSS/align-items).
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:::demo Using `alignment`
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space/alignment
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:::
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## Fill the container
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Through the `fill` **(Boolean type)** parameter, you can control whether the child node automatically fills the container.
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In the following example, when set to `fill`, the width of the child node will automatically adapt to the width of the container.
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:::demo Use fill to automatically fill the container with child nodes
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space/fill
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:::
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You can also use the `fillRatio` parameter to customize the filling ratio. The default value is `100`, which represents filling based on the width of the parent container at `100%`.
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It should be noted that the expression of horizontal layout and vertical layout is slightly different, the specific effect can be viewed in the following example.
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:::demo Use fillRatio to customize the fill ratio
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space/fill-ratio
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:::
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## Space Attributes
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| Attribute | Description | Type | Available value | Default |
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| ---------- | ------------------------------- | ----------------------------------------- | --------------------------------------------------------------------------- | ---------- |
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| alignment | Controls the alignment of items | string | [align-items](https://developer.mozilla.org/en-US/docs/Web/CSS/align-items) | 'center' |
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| class | Classname | string / Array<Object \| String> / Object | - | - |
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| direction | Placement direction | string | vertical/horizontal | horizontal |
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| prefixCls | Prefix for space-items | string | el-space | - |
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| style | Extra style rules | string / Array<Object \| String> / Object | - | - |
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| spacer | Spacer | string / number / VNode | - | - |
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| size | Spacing size | string / number / [number, number] | - | 'small' |
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| wrap | Auto wrapping | boolean | true / false | false |
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| fill | Whether to fill the container | boolean | true / false | false |
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| fill-ratio | Ratio of fill | number | - | 100 |
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## Space Slot
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| name | description |
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| ------- | ------------------ |
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| default | Items to be spaced |
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