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Adds drag and drop functionality to SilverStripe 3's GridField
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README.md

SortableGridField

Adds drag and drop functionality to SilverStripe 3.0's GridField

Requirments

  • SilverStripe 3.0

Installation

  • Download the module from here https://github.com/UndefinedOffset/SortableGridField/downloads
  • Extract the downloaded archive into your site root so that the destination folder is called SortableGridField, opening the extracted folder should contain _config.php in the root along with other files/folders
  • Run dev/build?flush=all to regenerate the manifest
  • 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 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

:::php
$myGridConfig->addComponent(new GridFieldSortableRows('{Column to store sort}'));

To move an item to another page drag the row over the respective page button and release.

@TODO

  • Optimize re-ordering of a has_many relationship when sorting on a single page
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