ENH Add extension point for modifying readonly GridFields.
Developers may want to amend a gridfield (either by modifying its components or amending the list) after it has been transformed to be readonly. One such modification may be replacing the GridFieldViewButton with something else - because components are instantiated with the "new" keyword this would be the only way to do that.
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@ -272,6 +272,8 @@ class GridField extends FormField
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$copyConfig->addComponent(new GridFieldViewButton);
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}
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$copy->extend('afterPerformReadonlyTransformation', $this);
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return $copy;
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}
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