mirror of
https://github.com/silverstripe/silverstripe-subsites
synced 2024-10-22 11:05:55 +02:00
33 lines
1.4 KiB
Markdown
33 lines
1.4 KiB
Markdown
## Architecture
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Subsites works by creating a Subsites model which stores all the details like Theme and Language for a
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subsite that you create.
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It also adds a column to SiteTree called SubsiteID which defaults to 0 for the main site but can be used to link a
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page to a particular subsite.
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The subsite module adds functionality to the admin section of the site to allow you to create new subsites and copy
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pages between the main site and any subsites.
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Subsites makes use of an Extension called SiteTreeSubsites to add support for subsites to the SiteTree,
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which extends various methods to add Subsite functionality some of the methods are listed below
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### augmentSQL
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This methods modifies the SiteTree results returned for a Subsite it does this by using the Subsite ID and filtering the
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SiteTree via the SubsiteID column on the SiteTree
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### onBeforeWrite
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This method is used to update the SubsiteID on a SiteTree object when a page is saved and the the current SubsiteID is null.
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### updateCMSFields
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This method is used to add Subsite related fields to the CMS form for adding and editing SiteTree pages.
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### duplicateToSubsite
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This method is called when a pages are being copied between the main site or another subsite.
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### alternateAbsoluteLink
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This method modifies the absolute link to contain the valid subsite domain
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### updatePreviewLink
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This method modifies the preview link for the CMS.
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