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https://github.com/silverstripe/silverstripe-framework
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31 lines
745 B
Markdown
31 lines
745 B
Markdown
## Extending existing ModelAdmin
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Sometimes you'll work with ModelAdmins from other modules. To customise these interfaces, you can always subclass. But there's
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also another tool at your disposal: The [Extension](api:SilverStripe\Core\Extension) API.
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```php
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use SilverStripe\Core\Extension;
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class MyAdminExtension extends Extension
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{
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// ...
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public function updateEditForm(&$form)
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{
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$form->Fields()->push(/* ... */)
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}
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}
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```
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Now enable this extension through your `[config.yml](/topics/configuration)` file.
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```yml
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MyAdmin:
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extensions:
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- MyAdminExtension
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```
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The following extension points are available: `updateEditForm()`, `updateSearchContext()`,
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`updateSearchForm()`, `updateList()`, `updateImportForm`.
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