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116 lines
4.8 KiB
Markdown
116 lines
4.8 KiB
Markdown
---
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title: Scrollbar
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lang: en-US
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---
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# Scrollbar
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Used to replace the browser's native scrollbar.
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<style lang="scss">
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.example-showcase {
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.el-scrollbar {
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.scrollbar-demo-item {
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display: flex;
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align-items: center;
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justify-content: center;
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height: 50px;
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margin: 10px;
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text-align: center;
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border-radius: 4px;
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background: var(--el-color-primary-light-9);
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color: var(--el-color-primary);
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}
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.flex-content {
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display: flex;
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.scrollbar-demo-item {
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flex-shrink: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100px;
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height: 50px;
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margin: 10px;
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text-align: center;
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border-radius: 4px;
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background: var(--el-color-danger-lighter);
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color: var(--el-color-danger);
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}
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}
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}
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.el-slider {
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margin-top: 20px;
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}
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}
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</style>
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## Basic usage
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:::demo Use `height` property to set the height of the scrollbar, or if not set, it adapts according to the parent container height.
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scrollbar/basic-usage
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:::
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## Horizontal scroll
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:::demo When the element width is greater than the scrollbar width, the horizontal scrollbar is displayed.
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scrollbar/horizontal-scroll
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:::
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## Max height
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:::demo The scrollbar is displayed only when the element height exceeds the max height.
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scrollbar/max-height
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:::
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## Manual scroll
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:::demo Use `setScrollTop` and `setScrollLeft` methods can control scrollbar manually.
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scrollbar/manual-scroll
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:::
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## Scrollbar Attributes
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| Attribute | Description | Type | Accepted Values | Default |
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| ---------- | ------------------------------------------------------------------------------------------------------------------------------- | --------------- | --------------- | ------- |
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| height | height of scrollbar | string / number | — | — |
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| max-height | max height of scrollbar | string / number | — | — |
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| native | whether to use the native scrollbar style | boolean | — | false |
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| wrap-style | style of warp container | string | — | — |
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| wrap-class | class of warp container | string | — | — |
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| view-style | style of view | string | — | — |
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| view-class | class of view | string | — | — |
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| noresize | do not respond to container size changes, if the container size does not change, it is better to set it to optimize performance | boolean | — | false |
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| tag | element tag of the view | string | — | div |
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| always | always show scrollbar | boolean | — | false |
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| min-size | minimum size of scrollbar | number | — | 20 |
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## Scrollbar Events
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| Event Name | Description | Parameters |
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| ---------- | ----------------------- | ------------------------------------------------- |
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| scroll | triggers when scrolling | distance of scrolling `{ scrollLeft, scrollTop }` |
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## Scrollbar Methods
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| Method | Description | Parameters |
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| ------------- | ------------------------------- | -------------------- |
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| setScrollTop | Set distance to scroll top | (scrollTop: number) |
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| setScrollLeft | Set distance to scroll left | (scrollLeft: number) |
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| update | update scrollbar state manually | — |
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## Scrollbar Slots
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| Name | Description |
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| ---- | ------------------------- |
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| — | customize default content |
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