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35 lines
898 B
Markdown
35 lines
898 B
Markdown
---
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aliases:
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- /docs/grafana/latest/developers/plugins/legacy/panels/
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- /docs/grafana/latest/plugins/developing/panels/
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keywords:
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- grafana
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- plugins
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- panel
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- documentation
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title: Legacy panel plugins
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---
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# Legacy panel plugins
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Panels are the main building blocks of dashboards.
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## Panel development
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### Scrolling
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The grafana dashboard framework controls the panel height. To enable a scrollbar within the panel the PanelCtrl needs to set the scrollable static variable:
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```javascript
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export class MyPanelCtrl extends PanelCtrl {
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static scrollable = true;
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...
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```
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In this case, make sure the template has a single `<div>...</div>` root. The plugin loader will modify that element adding a scrollbar.
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### Examples
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- [clock-panel](https://github.com/grafana/clock-panel)
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- [singlestat-panel](https://github.com/grafana/grafana/tree/main/public/app/plugins/panel/singlestat)
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