110 lines
3.7 KiB
Plaintext
110 lines
3.7 KiB
Plaintext
# PagedCollection
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A renderless component to act as a helper for different types of pagination.
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```hbs preview-template
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<figure>
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<figcaption>
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Provide a widget so we can try switching between two pagination methods
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</figcaption>
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<select
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onchange={{action (mut this.type) value="target.value"}}
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>
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<option>virtual-scroll</option>
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<option>index</option>
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</select>
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</figure>
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<figure>
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<figcaption>Get some data and page it</figcaption>
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<DataSource
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@src={{uri "/partition/default/dc-1/nodes"}}
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as |source|>
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<PagedCollection
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@type={{or this.type "virtual-scroll"}}
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@items={{or source.data (array)}}
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@perPage={{8}}
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@page={{or this.page 1}}
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@rowHeight="43"
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as |pager|>
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<div
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style={{{style-map
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(array 'outline' '1px solid var(--token-color-palette-neutral-300)')
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(array 'max-height' '360' 'px')
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(array '--paged-row-height' (if (not-eq this.type 'index') '43px'))
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}}}
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{{did-insert pager.viewport}}
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{{on-resize pager.resize}}
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>
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<ul
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style={{{style-map
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(array 'height' pager.totalHeight 'px')
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(array '--paged-start' pager.startHeight 'px')
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}}}
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>
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{{#each pager.items as |item|}}
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<li
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style={{{style-map
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(array 'height' '43' 'px')
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(array 'outline' '1px solid var(--token-color-surface-strong)')
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}}}
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>
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{{item.Node}}
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</li>
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{{/each}}
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</ul>
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</div>
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<pager.Pager>
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<div
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style={{{style-map
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(array 'display' 'flex')
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(array 'flex-direction' (if (not-eq pager.page pager.totalPages) 'row-reverse'))
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(array 'justify-content' 'space-between')
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}}}
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>
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{{#if (not-eq pager.page pager.totalPages)}}
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<Action
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{{on 'click' (set this 'page' (add pager.page 1))}}
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>
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Next
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</Action>
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{{/if}}
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{{#if (not-eq pager.page 1)}}
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<Action
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{{on 'click' (set this 'page' (sub pager.page 1))}}
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>
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Prev
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</Action>
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{{/if}}
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</div>
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</pager.Pager>
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</PagedCollection>
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</DataSource>
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</figure>
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```
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## Arguments
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| Argument | Type | Default | Description |
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| --- | --- | --- | --- |
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| `type` | `(native-scroll \| virtual-scroll \| index)` | `native-scroll` | The type of pagination |
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| `items` | `array` | `undefined` | An array or items to be paginated |
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| `rowHeight` | `(string \| number)` | `undefined` | When `@type=virtual-scroll` this informs the scroller of the size of each row in the scroll pane. For the moment this _must_ be the same for every row. |
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| `page` | `number` | `undefined` | When `@type=index` this is the current page number to show |
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| `perPage` | `number` | `undefined` | When `@type=index` this is the amount of rows to show per page |
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## Exported API
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| Name | Type | Description |
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| --- | --- | --- |
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| `items` | `array` | An array of the items to be shown on the current page |
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| `page` | `number` | The current page number (a mirror of @page) |
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| `resize` | `Function` | Function to be called on the resize of the viewport |
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| `viewport` | `Function` | Function to be called on the `did-insert` of the viewport to be used for scrolling |
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| `rowHeight` | `Function` | Function to be called to set the rowHeight of the virtual-scroller |
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| `startHeight` | `number` | Size of the area before the panel to be virtually-scroller, usually you should use this to set `--paged-start` wrapping element of the scrollable items |
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| `totalHeight` | `number` | Size of the of the entire panel in order to show the correctly sized scroll thumb |
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| `totalPages` | `number` | Totol number of pages |
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