After installing elemental and applying it to certain page types - the standard content editor is replaced by a block
editor. This means existing content is lost. The MigrateContentToElement
task is provided that will migrate existing
content for you. It will:
- Identify pages that have
ElementalPageExtension
- Filter out any that have empty content
- Create a content block (
ElementContent
) and set the content to the existing page content - Clear the existing page content
- Save and publish the page and the block if the latest page version was previously published
There are several configuration options and extension hooks to allow customising the functionality of this class.
If you wish to apply elemental to pages but still retain the default Content
field, use the config setting
DNADesign\Elemental\Extensions\ElementalAreasExtension:
keep_content_fields: true
Note This setting is globally applied. If you wish to replace the default Content area for all but a few select page types, you can instead add a config option to that class
YourVendor\YourProject\Pages\SpecialBlockAndContentPage:
elemental_keep_content_field: true
The owner class config setting will always take precedence over the global setting (on the extension). This makes it possible to e.g. keep content fields globally, except for select page types.
You may configure which element content is migrated to by using the following configuration:
DNADesign\Elemental\Tasks\MigrateContentToElement:
target_element: My\App\Blocks\MyBlock
target_element_field: Content
target_element
specifies the element that will be created and target_element_field
specifies the data field that
will be populated with the content from the page. Additionally you can use the updateMigratedElement
extension point
to further modify the element using the existing content and page.
You may disable the "auto-publish" functionality of this task with config
DNADesign\Elemental\Tasks\MigrateContentToElement:
publish_changes: false
In some cases you may wish to keep the existing content stored on the Content
field on pages. Removing it is optional
and can be turned off with config:
DNADesign\Elemental\Tasks\MigrateContentToElement:
clear_content: false
With this setting enabled the task can no longer filter out pages that have already been migrated by checking if the existing content is empty. Instead the task will not migrate pages that have at least one block already while this configuration option is enabled.
While this task is built for pages that use the ElementalPageExtension
it is possible to use elemental using only the
ElementalAreaExtension
. In this case you can extend this task and overload the isMigratable
and
getAreaRelationFromPage
methods to support your use-case.