From c396c2d2ae87c1c76aecdc4d3d211a8d8ab228d1 Mon Sep 17 00:00:00 2001
From: Stig Lindqvist <stig@stojg.net>
Date: Wed, 25 Jan 2012 17:31:27 +1300
Subject: [PATCH] API CHANGE Security admin supports adding, removing and
 searching for members by relations via gridfield

This contains some experimental API's when using GridFieldPopupForms on GridFieldPopupForms.

- GridFieldRelationAdd
- GridFieldRelationDelete
---
 admin/code/SecurityAdmin.php                |  14 +-
 forms/gridfield/GridField.php               |  16 +-
 forms/gridfield/GridFieldPopupForms.php     | 106 +++++++++--
 forms/gridfield/GridFieldRelationAdd.php    | 198 ++++++++++++++++++++
 forms/gridfield/GridFieldRelationDelete.php |  99 ++++++++++
 javascript/GridFieldSearch.js               |  36 ++++
 security/Group.php                          |  18 +-
 templates/Includes/GridFieldItemEditView.ss |   3 +
 templates/Includes/GridFieldRelationAdd.ss  |   4 +
 9 files changed, 458 insertions(+), 36 deletions(-)
 mode change 100644 => 100755 admin/code/SecurityAdmin.php
 mode change 100644 => 100755 forms/gridfield/GridFieldPopupForms.php
 create mode 100755 forms/gridfield/GridFieldRelationAdd.php
 create mode 100644 forms/gridfield/GridFieldRelationDelete.php
 create mode 100644 javascript/GridFieldSearch.js
 mode change 100644 => 100755 security/Group.php
 create mode 100644 templates/Includes/GridFieldItemEditView.ss
 create mode 100644 templates/Includes/GridFieldRelationAdd.ss

diff --git a/admin/code/SecurityAdmin.php b/admin/code/SecurityAdmin.php
old mode 100644
new mode 100755
index 60f954d8f..652277ecc
--- a/admin/code/SecurityAdmin.php
+++ b/admin/code/SecurityAdmin.php
@@ -107,12 +107,14 @@ class SecurityAdmin extends LeftAndMain implements PermissionProvider {
 	 * @return FieldList
 	 */
 	function RootForm() {
-		$memberList = new MemberTableField(
-			$this,
-			"Members"
-		);
-		// unset 'inlineadd' permission, we don't want inline addition
-		$memberList->setPermissions(array('edit', 'delete', 'add'));
+		$config = new GridFieldConfig();
+		$config->addComponent(new GridFieldRelationAdd('Name'));
+		$config->addComponent(new GridFieldDefaultColumns());
+		$config->addComponent(new GridFieldSortableHeader());
+		$config->addComponent(new GridFieldPaginator());
+		$config->addComponent(new GridFieldAction_Edit());
+		$config->addComponent(new GridFieldPopupForms($this, 'RootForm'));
+		$memberList = new GridField('Members', 'All members', DataList::create('Member'), $config);
 		
 		$fields = new FieldList(
 			$root = new TabSet(
diff --git a/forms/gridfield/GridField.php b/forms/gridfield/GridField.php
index eb09c34cb..c1e334cbe 100755
--- a/forms/gridfield/GridField.php
+++ b/forms/gridfield/GridField.php
@@ -511,7 +511,11 @@ class GridField extends FormField {
 		
 		$actionName = $stateChange['actionName'];
 		$args = isset($stateChange['args']) ? $stateChange['args'] : array();
-		$grid->handleAction($actionName, $args, $data);
+		$html = $grid->handleAction($actionName, $args, $data);
+		
+		if($html) {
+			return $html;
+		}
 		
 		switch($request->getHeader('X-Get-Fragment')) {
 			case 'CurrentField':
@@ -539,13 +543,13 @@ class GridField extends FormField {
 	 */
 	public function handleAction($actionName, $args, $data) {
 		$actionName = strtolower($actionName);
-		foreach($this->components as $item) {
-			if(!($item instanceof GridField_ActionProvider)) {
+		foreach($this->components as $component) {
+			if(!($component instanceof GridField_ActionProvider)) {
 				continue;
 			}
 			
-			if(in_array($actionName, array_map('strtolower', $item->getActions($this)))) {
-				return $item->handleAction($this, $actionName, $args, $data);
+			if(in_array($actionName, array_map('strtolower', $component->getActions($this)))) {
+				return $component->handleAction($this, $actionName, $args, $data);
 			}
 		}
 		throw new InvalidArgumentException("Can't handle action '$actionName'");
@@ -564,8 +568,6 @@ class GridField extends FormField {
 		$this->request = $request;
 		$this->setModel($model);
 		
-		///
-
 		foreach($this->components as $component) {
 			if(!($component instanceof GridField_URLHandler)) {
 				continue;
diff --git a/forms/gridfield/GridFieldPopupForms.php b/forms/gridfield/GridFieldPopupForms.php
old mode 100644
new mode 100755
index 621865312..dc3425141
--- a/forms/gridfield/GridFieldPopupForms.php
+++ b/forms/gridfield/GridFieldPopupForms.php
@@ -13,16 +13,51 @@ class GridFieldPopupForms implements GridField_URLHandler {
 	 * @var String
 	 */
 	protected $template = 'GridFieldItemEditView';
+
+	/**
+	 *
+	 * @var Controller
+	 */
+	protected $popupController;
 	
+	/**
+	 *
+	 * @var string
+	 */
+	protected $popupFormName;
+
 	function getURLHandlers($gridField) {
 		return array(
 			'item/$ID' => 'handleItem',
+			'autocomplete' => 'handleAutocomplete',
 		);
 	}
 	
-	function handleItem($gridField, $request) {
+	/**
+	 * Create a popup component. The two arguments will specify how the popup form's HTML and
+	 * behaviour is created.  The given controller will be customised, putting the edit form into the
+	 * template with the given name.
+	 *
+	 * The arguments are experimental API's to support partial content to be passed back to whatever
+	 * controller who wants to display the getCMSFields
+	 * 
+	 * @param Controller $popupController The controller object that will be used to render the pop-up forms
+	 * @param string $popupFormName The name of the edit form to place into the pop-up form
+	 */
+	public function __construct($popupController, $popupFormName) {
+		$this->popupController = $popupController;
+		$this->popupFormName = $popupFormName;
+	}
+	
+	/**
+	 *
+	 * @param type $gridField
+	 * @param type $request
+	 * @return GridFieldPopupForm_ItemRequest 
+	 */
+	public function handleItem($gridField, $request) {
 		$record = $gridField->getList()->byId($request->param("ID"));
-		$handler = new GridFieldPopupForm_ItemRequest($gridField, $this, $record);
+		$handler = new GridFieldPopupForm_ItemRequest($gridField, $this, $record, $this->popupController, $this->popupFormName);
 		$handler->setTemplate($this->template);
 		return $handler;
 	}
@@ -44,12 +79,36 @@ class GridFieldPopupForms implements GridField_URLHandler {
 
 class GridFieldPopupForm_ItemRequest extends RequestHandler {
 	
+	/**
+	 *
+	 * @var GridField 
+	 */
 	protected $gridField;
 	
+	/**
+	 *
+	 * @var GridField_URLHandler
+	 */
 	protected $component;
 	
+	/**
+	 *
+	 * @var DataObject
+	 */
 	protected $record;
 
+	/**
+	 *
+	 * @var Controller
+	 */
+	protected $popupController;
+	
+	/**
+	 *
+	 * @var string
+	 */
+	protected $popupFormName;
+	
 	/**
 	 * @var String
 	 */
@@ -57,45 +116,66 @@ class GridFieldPopupForm_ItemRequest extends RequestHandler {
 
 	static $url_handlers = array(
 		'$Action!' => '$Action',
-		'' => 'index',
+		'' => 'edit',
 	);
 	
-	function __construct($gridField, $component, $record) {
+	/**
+	 *
+	 * @param GridFIeld $gridField
+	 * @param GridField_URLHandler $component
+	 * @param DataObject $record
+	 * @param Controller $popupController
+	 * @param string $popupFormName 
+	 */
+	public function __construct($gridField, $component, $record, $popupController, $popupFormName) {
 		$this->gridField = $gridField;
 		$this->component = $gridField;
 		$this->record = $record;
-		
+		$this->popupController = $popupController;
+		$this->popupFormName = $popupFormName;
 		parent::__construct();
 	}
 
-	function Link($action = null) {
+	public function Link($action = null) {
 		return Controller::join_links($this->gridField->Link('item'), $this->record->ID, $action);
 	}
 	
 	function edit($request) {
-		$controller = $this->gridField->getForm()->Controller();
-
+		$controller = $this->popupController;
+		
 		$return = $this->customise(array(
-				'Backlink' => $controller->Link(),
+				'Backlink' => $this->gridField->getForm()->Controller()->Link(),
 				'ItemEditForm' => $this->ItemEditForm($this->gridField, $request),
 			))->renderWith($this->template);
 
 		if($controller->isAjax()) {
 			return $return;	
 		} else {
+			
 			// If not requested by ajax, we need to render it within the controller context+template
 			return $controller->customise(array(
-				$this->gridField->getForm()->Name() => $return,
+				$this->popupFormName => $return,
 			));	
 		}
 	}
 
+	/**
+	 * Builds an item edit form.  The arguments to getCMSFields() are the popupController and
+	 * popupFormName, however this is an experimental API and may change.
+	 * 
+	 * In the future, we will probably need to come up with a tigher object representing a partially
+	 * complete controller with gaps for extra functionality.  This, for example, would be a better way
+	 * of letting Security/login put its log-in form inside a UI specified elsewhere.
+	 * 
+	 * @return Form 
+	 */
 	function ItemEditForm() {
-		$request = $this->gridField->getForm()->Controller()->getRequest();
+		$request = $this->popupController->getRequest();
 		$form = new Form(
 			$this,
 			'ItemEditForm',
-			$this->record->getCMSFields(),
+			// WARNING: The arguments passed here are a little arbitrary.  This API will need cleanup
+			$this->record->getCMSFields($this->popupController, $this->popupFormName),
 			new FieldList(
 				$saveAction = new FormAction('doSave', _t('GridFieldDetailsForm.Save', 'Save'))
 			)
@@ -124,7 +204,7 @@ class GridFieldPopupForm_ItemRequest extends RequestHandler {
 		
 		$form->sessionMessage($message, 'good');
 
-		return $this->gridField->getForm()->Controller()->redirectBack();
+		return $this->popupController->redirectBack();
 	}
 
 	/**
diff --git a/forms/gridfield/GridFieldRelationAdd.php b/forms/gridfield/GridFieldRelationAdd.php
new file mode 100755
index 000000000..b735d3c21
--- /dev/null
+++ b/forms/gridfield/GridFieldRelationAdd.php
@@ -0,0 +1,198 @@
+<?php
+/**
+ * A GridFieldRelationAdd is responsible for adding objects to another objects
+ * has_many and many_many relation. It will not attach duplicate objects.
+ *
+ * It augments a GridField with fields above the gridfield to search and add
+ * objects to whatever the SS_List passed into the gridfield.
+ *
+ * If the object is set to use autosuggestion it will include jQuery UI
+ * autosuggestion field that searches for current objects that isn't already
+ * attached to the list.
+ */
+class GridFieldRelationAdd implements GridField_HTMLProvider, GridField_ActionProvider, GridField_DataManipulator, GridField_URLHandler {
+	
+	/**
+	 * Which template to use for rendering
+	 * 
+	 * @var string $itemClass
+	 */
+	protected $itemClass = 'GridFieldRelationAdd';
+	
+	/**
+	 * Which column that should be used for doing a StartsWith search
+	 *
+	 * @var string
+	 */
+	protected $fieldToSearch = '';
+	
+	/**
+	 * Use the jQuery.ui.autosuggestion plugin
+	 *
+	 * @var bool
+	 */
+	protected $useAutoSuggestion = true;
+	
+	/**
+	 *
+	 * @param string $fieldToSearch which field on the object in the list should be search
+	 * @param bool $autoSuggestion - if you would like to use the javascript autosuggest feature
+	 */
+	public function __construct($fieldToSearch, $autoSuggestion=true) {
+		$this->fieldToSearch = $fieldToSearch;
+		$this->useAutoSuggestion = $autoSuggestion;
+	}
+	
+	/**
+	 * 
+	 * @param GridField $gridField
+	 * @return string - HTML
+	 */
+	public function getHTMLFragments($gridField) {
+		$searchState = $gridField->State->GridFieldSearchRelation;
+		
+		
+		if($this->useAutoSuggestion){
+			Requirements::css(THIRDPARTY_DIR . '/jquery-ui-themes/smoothness/jquery-ui.css');
+			Requirements::add_i18n_javascript(SAPPHIRE_DIR . '/javascript/lang');
+			Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery.js');
+			Requirements::javascript(SAPPHIRE_DIR . '/javascript/jquery_improvements.js');	
+			Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/jquery-ui/jquery-ui.js');
+			Requirements::javascript(SAPPHIRE_DIR . "/javascript/GridFieldSearch.js");
+		}
+		
+		$forTemplate = new ArrayData(array());
+		$forTemplate->Fields = new ArrayList();
+		
+		$value = $this->findSingleEntry($gridField, $this->fieldToSearch, $searchState, $gridField->getList()->dataClass);
+		$searchField = new TextField('gridfield_relationsearch', 'Auto Suggest Search field', $value);
+		// Apparently the data-* needs to be double qouted for the jQuery.meta data plugin
+		// 
+		$searchField->setAttribute('data-search-url', '\''.Controller::join_links($gridField->Link('search').'\''));
+		
+		$findAction = new GridField_Action($gridField, 'gridfield_relationfind', 'Find', 'find', 'find');
+		$addAction = new GridField_Action($gridField, 'gridfield_relationadd', 'Add Relation', 'addto', 'addto');
+
+		// If an object is not found, disable the action
+		if(!is_int($gridField->State->GridFieldAddRelation)) {
+			$addAction->setReadonly(true);
+		}
+		
+		$forTemplate->Fields->push($searchField);
+		$forTemplate->Fields->push($findAction);
+		$forTemplate->Fields->push($addAction);
+		return array('before' => $forTemplate->renderWith($this->itemClass));
+	}
+	
+	/**
+	 *
+	 * @param GridField $gridField
+	 * @return array
+	 */
+	public function getActions($gridField) {
+		return array('addto', 'find');
+	}
+
+	/**
+	 * Manipulate the state to either add a new relation, or doing a small search
+	 * 
+	 * @param GridField $gridField
+	 * @param string $actionName
+	 * @param string $arguments
+	 * @param string $data
+	 * @return string
+	 */
+	public function handleAction(GridField $gridField, $actionName, $arguments, $data) {
+		switch($actionName) {
+			case 'addto':
+				if(isset($data['relationID']) && $data['relationID']){
+					$gridField->State->GridFieldAddRelation = $data['relationID'];
+				}
+				$gridField->State->GridFieldSearchRelation = '';
+				break;
+			case 'find' && isset($data['autosuggest_search']):
+				$gridField->State->GridFieldSearchRelation = $data['autosuggest_search'];
+				break;
+		}
+	}
+	
+	/**
+	 * If an object ID is set, add the object to the list
+	 *
+	 * @param GridField $gridField
+	 * @param SS_List $dataList
+	 * @return SS_List 
+	 */
+	public function getManipulatedData(GridField $gridField, SS_List $dataList) {
+		if(!$gridField->State->GridFieldAddRelation) {
+			return $dataList;
+		}
+		$objectID = Convert::raw2sql($gridField->State->GridFieldAddRelation);
+		if($objectID) {
+			$object = DataObject::get_by_id($dataList->dataclass(), $objectID);
+			if($object) {
+				$dataList->add($object);
+			}
+		}
+		$gridField->State->GridFieldAddRelation = null;
+		return $dataList;
+	}
+	
+	/**
+	 *
+	 * @param GridField $gridField
+	 * @return array
+	 */
+	public function getURLHandlers($gridField) {
+		return array(
+			'search/$ID' => 'doSearch',
+		);
+	}
+	
+	/**
+	 * Returns a json array of a search results that can be used by for example Jquery.ui.autosuggestion
+	 *
+	 * @param GridField $gridField
+	 * @param SS_HTTPRequest $request 
+	 */
+	public function doSearch($gridField, $request) {
+		$allList = DataList::create($gridField->getList()->dataClass());
+		$results = $allList->subtract($gridField->getList())->filter($this->fieldToSearch.':StartsWith',$request->param('ID'));
+		$results->sort($this->fieldToSearch, 'ASC');
+		
+		$json = array();
+		foreach($results as $result) {
+			$json[$result->ID] = $result->{$this->fieldToSearch};
+		}
+		return Convert::array2json($json);
+	}
+	
+	/**
+	 * This will provide a StartsWith search that only returns a value if we are
+	 * matching ONE object only. We wouldn't want to attach used any object to
+	 * the list.
+	 * 
+	 * @param GridField $gridField
+	 * @param string $field
+	 * @param string $searchTerm
+	 * @param string $dataclass
+	 * @return string 
+	 */
+	protected function findSingleEntry($gridField, $field, $searchTerm, $dataclass) {
+		$fullList = DataList::create($dataclass);
+		$searchTerm = Convert::raw2sql($searchTerm);
+		if(!$searchTerm) {
+			return;
+		}
+		$existingList = clone $gridField->getList();
+		$searchResults = $fullList->subtract($existingList->limit(0))->filter($field.':StartsWith', $searchTerm);
+		
+		// If more than one, skip
+		if($searchResults->count() != 1) {
+			return '';
+		}
+		
+		$gridField->State->GridFieldAddRelation = $searchResults->first()->ID;
+		return $searchResults->first()->$field;
+	}
+}
\ No newline at end of file
diff --git a/forms/gridfield/GridFieldRelationDelete.php b/forms/gridfield/GridFieldRelationDelete.php
new file mode 100644
index 000000000..caf9fe5de
--- /dev/null
+++ b/forms/gridfield/GridFieldRelationDelete.php
@@ -0,0 +1,99 @@
+<?php
+/**
+ * GridFieldRelationDelete
+ *
+ */
+class GridFieldRelationDelete implements GridField_ColumnProvider, GridField_ActionProvider {
+	
+	/**
+	 * Add a column 'UnlinkRelation'
+	 * 
+	 * @param type $gridField
+	 * @param array $columns 
+	 */
+	public function augmentColumns($gridField, &$columns) {
+		$columns[] = 'UnlinkRelation';
+	}
+	
+	/**
+	 * Return any special attributes that will be used for FormField::createTag()
+	 *
+	 * @param GridField $gridField
+	 * @param DataObject $record
+	 * @param string $columnName
+	 * @return array
+	 */
+	public function getColumnAttributes($gridField, $record, $columnName) {
+		return array();
+	}
+	
+	/**
+	 * Don't add an title
+	 * 
+	 * @param GridField $gridField
+	 * @param string $columnName
+	 * @return array
+	 */
+	public function getColumnMetadata($gridField, $columnName) {
+		if($columnName == 'UnlinkRelation') {
+			return array('title' => '');
+		}
+	}
+	
+	/**
+	 * Which columns are handled by this component
+	 * 
+	 * @param type $gridField
+	 * @return type 
+	 */
+	public function getColumnsHandled($gridField) {
+		return array('UnlinkRelation');
+	}
+	
+	/**
+	 * Which GridField actions are this component handling
+	 *
+	 * @param GridField $gridField
+	 * @return array 
+	 */
+	public function getActions($gridField) {
+		return array('unlinkrelation');
+	}
+	
+	/**
+	 *
+	 * @param GridField $gridField
+	 * @param DataObject $record
+	 * @param string $columnName
+	 * @return string - the HTML for the column 
+	 */
+	public function getColumnContent($gridField, $record, $columnName) {
+		$field = new GridField_Action(
+			$gridField, 
+			'UnlinkRelation'.$record->ID, 
+			_t('GridAction.UnlinkRelation', "Unlink"), 
+			"unlinkrelation", 
+			array('RecordID' => $record->ID)
+		);
+		$output = $field->Field();
+		return $output;
+	}
+	
+	/**
+	 * Handle the actions and apply any changes to the GridField
+	 *
+	 * @param GridField $gridField
+	 * @param string $actionName
+	 * @param mixed $arguments
+	 * @param array $data - form data
+	 * @return void
+	 */
+	public function handleAction(GridField $gridField, $actionName, $arguments, $data) {
+		$id = $arguments['RecordID'];
+		$item = $gridField->getList()->byID($id);
+		if(!$item) return;
+		if($actionName == 'unlinkrelation') {
+			$gridField->getList()->remove($item);
+		}
+	}
+}
diff --git a/javascript/GridFieldSearch.js b/javascript/GridFieldSearch.js
new file mode 100644
index 000000000..e8a96dcf9
--- /dev/null
+++ b/javascript/GridFieldSearch.js
@@ -0,0 +1,36 @@
+jQuery(function($){
+	
+	$(document).delegate("#gridfield_relationsearch", "focus", function (event) {
+		$(this).autocomplete({
+			source: function(request, response){
+				var searchField = $(this.element);
+				var form = $(this.element).closest("form");
+				// Due to some very weird behaviout of jquery.metadata, the url have to be double quoted
+				var suggestionUrl = $(searchField).attr('data-search-url').substr(1,$(searchField).attr('data-search-url').length-2);
+				$.ajax({
+					headers: {
+						"X-Get-Fragment" : 'Partial'
+					},
+					type: "GET",
+					url: suggestionUrl+'/'+request.term,
+					data: form.serialize()+'&'+escape(searchField.attr('name'))+'='+escape(searchField.val()), 
+					success: function(data) {
+						response( $.map(JSON.parse(data), function( name, id ) {
+							return { label: name, value: name, id: id }
+						}));
+					},
+					error: function(e) {
+						alert(ss.i18n._t('GRIDFIELD.ERRORINTRANSACTION', 'An error occured while fetching data from the server\n Please try again later.'));
+					}
+				});
+			},
+			select: function(event, ui) {
+				$(this).closest("fieldset.ss-gridfield").find("#action_gridfield_relationfind").replaceWith(
+					'<input type="hidden" name="relationID" value="'+ui.item.id+'" id="relationID"/>'
+				);
+				$(this).closest("fieldset.ss-gridfield").find("#action_gridfield_relationadd").removeAttr('disabled');
+			}
+		});
+	});
+	
+});
\ No newline at end of file
diff --git a/security/Group.php b/security/Group.php
old mode 100644
new mode 100755
index e6c00102c..a3c0bcf3f
--- a/security/Group.php
+++ b/security/Group.php
@@ -62,17 +62,18 @@ class Group extends DataObject {
 	public function getCMSFields() {
 		Requirements::javascript(SAPPHIRE_DIR . '/javascript/PermissionCheckboxSetField.js');
 		
+		$config = new GridFieldConfig_ManyManyEditor('FirstName', true, 20);
+		$config->addComponent(new GridFieldPopupForms(Controller::curr(), 'EditForm'));
+		$memberList = new GridField('Members','Members', $this->Members(), $config);
+
+		// @todo Implement permission checking on GridField
+		//$memberList->setPermissions(array('edit', 'delete', 'export', 'add', 'inlineadd'));
+		//$memberList->setPopupCaption(_t('SecurityAdmin.VIEWUSER', 'View User'));
 		$fields = new FieldList(
 			new TabSet("Root",
 				new Tab('Members', _t('SecurityAdmin.MEMBERS', 'Members'),
 					new TextField("Title", $this->fieldLabel('Title')),
-					$memberList = new MemberTableField(
-						(Controller::has_curr()) ? Controller::curr() : new Controller(),
-						"Members",
-						$this,
-						null,
-						false
-					)
+					$memberList
 				),
 
 				$permissionsTab = new Tab('Permissions', _t('SecurityAdmin.PERMISSIONS', 'Permissions'),
@@ -152,9 +153,6 @@ class Group extends DataObject {
 			$rolesField->setDisabledItems($inheritedRoles->column('ID'));
 		} 
 		
-		$memberList->setPermissions(array('edit', 'delete', 'export', 'add', 'inlineadd'));
-		$memberList->setPopupCaption(_t('SecurityAdmin.VIEWUSER', 'View User'));
-
 		$fields->push($idField = new HiddenField("ID"));
 		
 		$this->extend('updateCMSFields', $fields);
diff --git a/templates/Includes/GridFieldItemEditView.ss b/templates/Includes/GridFieldItemEditView.ss
new file mode 100644
index 000000000..ed700a4a4
--- /dev/null
+++ b/templates/Includes/GridFieldItemEditView.ss
@@ -0,0 +1,3 @@
+<a href="$Backlink"> Go back the way you came!</a>
+
+$ItemEditForm
\ No newline at end of file
diff --git a/templates/Includes/GridFieldRelationAdd.ss b/templates/Includes/GridFieldRelationAdd.ss
new file mode 100644
index 000000000..f50e6385f
--- /dev/null
+++ b/templates/Includes/GridFieldRelationAdd.ss
@@ -0,0 +1,4 @@
+<div><% control Fields %>
+	<span>$Field</span>
+	<% end_control %>
+</div>
\ No newline at end of file