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An alternative to the SilverStripe Widgets module.

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1.1.3 2019-05-27 22:12 UTC


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The Blocks modules aims to provide developers with a flexible foundation for defining reusable blocks of content or widgets that can be managed in the CMS.


This module is no longer maintained. If you would like to adopt it and give it a good home please submit your interest and I will be happy to discuss.


  • Blocks are Versioned
  • Blocks with Forms possible (through BlockController)
  • Drag and Drop re-ordering of Blocks
  • Duplicate Blocks
  • BlockSets for global blocks
  • Allow exclusion of any page types from using Blocks
  • Allow disabling of default/example block type - ContentBlock
  • Allow disabling of specific blocks

Upgrading from 0.x

See the upgrade guide




composer require sheadawson/silverstripe-blocks

Install via composer, run dev/build


1. Define Block Areas and Settings for your project in mysite/_config/config.yml

		Sidebar: true # a Sidebar area will be available on all page types
			only: HomePage # a BeforeContent area will be available only on HomePage page types
			except: HomePage # a AfterContent area will be available on all page types except HomePage
		Footer: true # a Footer area will be available on all page types
		#use_blocksets: false # Whether to use BlockSet functionality (default if undeclared: true)
		#use_extra_css_classes: true # Whether to allow cms users to add extra css classes to blocks (default if undeclared: false)
		#prefix_default_css_classes: 'myprefix--' # prefix the automatically generated CSSClasses based on class name (default if undeclared: false)
		#pagetype_whitelist: # Enable the Blocks tab only pages of these types (optional)
		#  - HomePage
		#pagetype_blacklist: # Disable the Blocks tab on pages of these types (optional)
		#  - ContactPage
		#disabled_blocks: #allows you to disable specific blocks (optional)
		#  - ContentBlock
		#use_default_blocks: false # Disable/enable the default Block types (ContentBlock) (default if undeclared: true)
		#block_area_preview: false # Disable block area preview button in CMS (default if undeclared: true)

Remember to run ?flush=1 after modifying your .yml config to make sure it gets applied.

2. Add Block Areas to your templates

Adding the BeforeContent and AfterContent blocks would look something like

	<div class="content">$Content</div>

$BlockArea(BeforeContent) will loop over and display all blocks assigned to the BeforeContent area on the current page

You can limit a block area to a maximum number of blocks using the second limit parameter

	$BlockArea(NewsBlocks, 3)

3. Add Blocks to a page in the CMS

You will now be able to add Blocks to Pages via the CMS page edit view and in the Blocks model admin. You can also define "BlockSets" in the Blocks model admin. BlockSets can be used to apply a common collection of blocks to pages that match the criteria you define on the set.

This module ships with a basic ContentBlock, but this can be disabled through the `BlockManager::use_default_blocks config.


Restrict Blocks to viewer groups or logged in users

When editing a block, you can restrict who can see it in the frontend by selecting "logged in users" or "users from these groups" under the Viewer Groups tab.


There are 2 types of templates you should be aware of.

BlockArea Template

The BlockArea template is responsible for looping over and rendering all blocks in that area. You can override this by creating a copy of the default and placing it in your templates/Includes folder.

It's likely that your block areas may require different templates. You can achieve this by creating a BlockArea_{AreaName}.ss template.

Block Template

Each subclass of Block requires it's own template with the same name as the class. So, SlideshowBlock.php would have a template. If your block requires different templates depending on the BlockArea it's in, you can create SlideshowBlock_{AreaName}.ss

The current page scope can be accessed from Block templates with $CurrentPage.

Block Area Preview

To aid website admins in identifying the areas they can apply blocks to, a "Preview Block Areas for this page" button is available in the cms. This opens the frontend view of the page in a new tab with ?block_preview=1. In Block Preview mode, Block Areas in the template are highlighted and labeled.

There is some markup required in your BlockArea templates to facilitate this: The css class block-area and the data-areaid='$AreaID' attribute.

<div class='block-area' data-areaid='$AreaID'>
	<% loop BlockArea %>
	<% end_loop %>

Form Blocks

As of v1.0 Blocks can now handle forms. See this gist for as an example:

Remove the Blocks button from the main CMS menu

The BlockAdmin section is not always needed to be used. If you wish, you can remove the button from the menu by inserting this to mysite/_config.php:


Block icons

Until this module properly supports icons, you can define icons by creating a getTypeForGridfield method in your block. Here's an example that uses font awesome:

public function getIcon()
		return '<i class="fa fa-thumbs-up fa-3x" title="' . $this->singular_name() . '" aria-hidden="true"></i>';
public function getTypeForGridfield()
		$icon = $this->getIcon();
		if ($icon) {
				$obj = HTMLText::create();
				return $obj;
		} else {
				return parent::getTypeForGridfield();

Translatable Blocks

For creating Blocks with translatable content, using the translatble module, see this gist for a kick start.



Preview of block locations

Edit a block

Add an existing block


  • Re-add: Sorting primarily by Area (in order of declaration in config), on Pages (removed in favor of dr'ndr sorting)
  • Add icon/pic to base Block as method of recognition when dealing with lots of different blocks