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Added example for many_many relationships

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1 parent 42d83a5 commit 2dc1fb8f167a43163691bce62c279634a96bb5f6 @UndefinedOffset committed Jul 10, 2012
Showing with 6 additions and 1 deletion.
  1. +6 −1 README.md
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@@ -13,7 +13,12 @@ Adds drag and drop functionality to SilverStripe 3.0's GridField
* Upon entering the cms and using GridFieldSortableRows component for the first time you make need to add ?flush=all to the end of the address to force the templates to regenerate
## Usage
-To enable sorting on a has_many relationship set up an interger field on your data object. Also for has_many relationships make sure to set the $default_sort on the dataobject to this new interger field to ensure that the sort order is applied when the relationship is requested. For many_many relationships you must add a $many_many_extraFields static to the data object defining the relationship, see the SilverStripe documentation for more information on this. If you are using a many_many relationship you will need to do a custom getter to set the sort order of this relationship.
+To enable sorting on a has_many relationship set up an interger field on your data object. Also for has_many relationships make sure to set the $default_sort on the dataobject to this new interger field to ensure that the sort order is applied when the relationship is requested. For many_many relationships you must add a $many_many_extraFields static to the data object defining the relationship, see the SilverStripe documentation for more information on this. If you are using a many_many relationship you will need to do a custom getter to set the sort order of this relationship for use on the front end see bellow for an example.
+ :::php
+ public function getMyManyManyRelationship() {
+ return $this->getManyManyComponents('MyManyManyRelationship')->sort('SortColumn');
+ }
+
To enable drag and drop sorting on the grid field add the following to your grid field's config
*Grid Field Config*

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