# TYPO3 Extension content_defender

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Define allowed or denied content element types in your backend layouts

## Installation

Simply install the extension with Composer or the Extension Manager.

## Usage

1. You only need to adjust the column configuration of your backend_layout

**Restrict certain content element fields**

- To allow a limited set of values for content element fields use `allowed.field = [list of comma separated values]`

*Examples:*
```
columns {
    1 {
        name = Column with header and textmedia elements
        colPos = 3
        colspan = 6
        allowed {
            CType = header, textmedia
        }
    }
}
```

```
columns {
    1 {
        name = Column with News plugin only
        colPos = 3
        colspan = 6
        allowed {
            CType = list
            list_type = news_pi1
        }
    }
}
```

**Combine multiple content element fields**

- The example allows multiple content element types (text and list) while restricting plugin types to `news` only.

*Example:*
```
columns {
    1 {
        name = A column with restricted list_type and "normal" CType
        colPos = 3
        colspan = 6
        allowed {
            CType = textmedia, list
            list_type = news_pi1
        }
    }
}
```

**Deny certain content element types**

- To remove a set of values from content element fields use `disallowed.field = [list of comma separated values]`

*Examples:*
```
columns {
    1 {
        name = Column without divider, plain html and table elements
        colPos = 3
        colspan = 6
        disallowed {
            CType = div, html, table
        }
    }
}
```

```
columns {
    1 {
        name = Column with header and list, without News plugin
        colPos = 3
        colspan = 6
        allowed {
            CType = header, list
        }
        disallowed {
            list_type = news_pi1
        }
    }
}
```

**Limit the number of content elements**

- To restrict the number of content elements use `maxitems = [number of elements]`

*Example:*
```
columns {
    1 {
        name = Column with one textmedia 
        colPos = 3
        colspan = 6
        allowed {
            CType = textmedia
        }
        maxitems = 1
    }
}
```

## Community

- Thanks to [b13](https://b13.com) that sponsored the maintenance of this extension with a sponsorship
- Thanks to [Wolfgang Wagner](https://wwagner.net) who sponsored the maintenance of this extension with a sponsorship
- Thanks to [WACON Internet GmbH](https://www.wacon.de) that sponsored the maintenance of this extension with a [GitHub sponsorship](https://github.com/sponsors/IchHabRecht)
- Thanks to [Daniel Goerz](https://twitter.com/ervaude) who wrote about content_defender in his blog [useTYPO3](https://usetypo3.com/backend-layouts.html)
- Thanks to [Marcus Schwemer](https://twitter.com/MarcusSchwemer) who wrote about content_defender in his blog [TYPO3worx](https://typo3worx.eu/2017/07/typo3-extension-roundup-q1-q2-2017/)