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<?php |
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namespace SilverStripe\Forms\GridField; |
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use SilverStripe\Control\HTTPRequest; |
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use SilverStripe\Control\HTTPResponse; |
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use SilverStripe\Core\Config\Config; |
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use SilverStripe\Core\Convert; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\Forms\TextField; |
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use SilverStripe\ORM\SS_List; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\ORM\DataList; |
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use SilverStripe\ORM\Filters\SearchFilter; |
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use SilverStripe\View\ArrayData; |
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use SilverStripe\View\SSViewer; |
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use LogicException; |
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use SilverStripe\ORM\Filters\SearchFilter; |
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/** |
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* This class is is responsible for adding objects to another object's has_many |
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* and many_many relation, as defined by the {@link RelationList} passed to the |
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* {@link GridField} constructor. |
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* |
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* Objects can be searched through an input field (partially matching one or |
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* more fields). |
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* |
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* Selecting from the results will add the object to the relation. |
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* |
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* Often used alongside {@link GridFieldDeleteAction} for detaching existing |
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* records from a relationship. |
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* |
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* For easier setup, have a look at a sample configuration in |
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* {@link GridFieldConfig_RelationEditor}. |
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*/ |
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class GridFieldAddExistingAutocompleter implements GridField_HTMLProvider, GridField_ActionProvider, GridField_DataManipulator, GridField_URLHandler |
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{ |
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/** |
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* The HTML fragment to write this component into |
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*/ |
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protected $targetFragment; |
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/** |
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* @var SS_List |
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*/ |
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protected $searchList; |
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/** |
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* Define column names which should be included in the search. |
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* By default, they're searched with a {@link StartsWithFilter}. |
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* To define custom filters, use the same notation as {@link DataList->filter()}, |
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* e.g. "Name:EndsWith". |
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* |
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* If multiple fields are provided, the filtering is performed non-exclusive. |
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* If no fields are provided, tries to auto-detect fields from |
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* {@link DataObject->searchableFields()}. |
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* |
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* The fields support "dot-notation" for relationships, e.g. |
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* a entry called "Team.Name" will search through the names of |
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* a "Team" relationship. |
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* |
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* @example |
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* array( |
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* 'Name', |
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* 'Email:StartsWith', |
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* 'Team.Name' |
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* ) |
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* |
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* @var array |
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*/ |
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protected $searchFields = []; |
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/** |
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* @var string SSViewer template to render the results presentation |
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*/ |
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protected $resultsFormat = '$Title'; |
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/** |
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* @var string Text shown on the search field, instructing what to search for. |
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*/ |
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protected $placeholderText; |
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/** |
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* @var int |
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*/ |
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protected $resultsLimit = 20; |
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/** |
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* |
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* @param string $targetFragment |
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* @param array $searchFields Which fields on the object in the list should be searched |
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*/ |
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public function __construct($targetFragment = 'before', $searchFields = null) |
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{ |
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$this->targetFragment = $targetFragment; |
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$this->searchFields = (array)$searchFields; |
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} |
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/** |
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* |
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* @param GridField $gridField |
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* @return string[] - HTML |
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*/ |
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public function getHTMLFragments($gridField) |
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{ |
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$dataClass = $gridField->getModelClass(); |
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$forTemplate = new ArrayData([]); |
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$forTemplate->Fields = new FieldList(); |
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$searchField = new TextField('gridfield_relationsearch', _t('SilverStripe\\Forms\\GridField\\GridField.RelationSearch', "Relation search")); |
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$searchField->setAttribute('data-search-url', Controller::join_links($gridField->Link('search'))); |
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$searchField->setAttribute('placeholder', $this->getPlaceholderText($dataClass)); |
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$searchField->addExtraClass('relation-search no-change-track action_gridfield_relationsearch'); |
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$findAction = new GridField_FormAction( |
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$gridField, |
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'gridfield_relationfind', |
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_t('SilverStripe\\Forms\\GridField\\GridField.Find', "Find"), |
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'find', |
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'find' |
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); |
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$findAction->setAttribute('data-icon', 'relationfind'); |
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$findAction->addExtraClass('action_gridfield_relationfind'); |
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$addAction = new GridField_FormAction( |
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$gridField, |
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'gridfield_relationadd', |
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_t('SilverStripe\\Forms\\GridField\\GridField.LinkExisting', "Link Existing"), |
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'addto', |
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'addto' |
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); |
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$addAction->setAttribute('data-icon', 'chain--plus'); |
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$addAction->addExtraClass('btn btn-outline-secondary font-icon-link action_gridfield_relationadd'); |
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// If an object is not found, disable the action |
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if (!is_int($gridField->State->GridFieldAddRelation(null))) { |
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$addAction->setDisabled(true); |
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} |
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$forTemplate->Fields->push($searchField); |
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$forTemplate->Fields->push($findAction); |
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$forTemplate->Fields->push($addAction); |
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if ($form = $gridField->getForm()) { |
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$forTemplate->Fields->setForm($form); |
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} |
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$template = SSViewer::get_templates_by_class($this, '', __CLASS__); |
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return [ |
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$this->targetFragment => $forTemplate->renderWith($template) |
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]; |
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} |
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/** |
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* |
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* @param GridField $gridField |
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* @return array |
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*/ |
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public function getActions($gridField) |
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{ |
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return ['addto', 'find']; |
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} |
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/** |
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* Manipulate the state to add a new relation |
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* |
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* @param GridField $gridField |
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* @param string $actionName Action identifier, see {@link getActions()}. |
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* @param array $arguments Arguments relevant for this |
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* @param array $data All form data |
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*/ |
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public function handleAction(GridField $gridField, $actionName, $arguments, $data) |
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{ |
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switch ($actionName) { |
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case 'addto': |
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if (isset($data['relationID']) && $data['relationID']) { |
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$gridField->State->GridFieldAddRelation = $data['relationID']; |
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} |
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break; |
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} |
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} |
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/** |
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* If an object ID is set, add the object to the list |
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* |
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* @param GridField $gridField |
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* @param SS_List $dataList |
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* @return SS_List |
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*/ |
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public function getManipulatedData(GridField $gridField, SS_List $dataList) |
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{ |
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$objectID = $gridField->State->GridFieldAddRelation(null); |
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if (empty($objectID)) { |
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return $dataList; |
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} |
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$object = DataObject::get_by_id($gridField->getModelClass(), $objectID); |
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if ($object) { |
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$dataList->add($object); |
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} |
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$gridField->State->GridFieldAddRelation = null; |
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return $dataList; |
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} |
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/** |
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* |
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* @param GridField $gridField |
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* @return array |
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*/ |
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public function getURLHandlers($gridField) |
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{ |
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return [ |
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'search' => 'doSearch', |
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]; |
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} |
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/** |
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* Returns a json array of a search results that can be used by for example Jquery.ui.autosuggestion |
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* |
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* @param GridField $gridField |
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* @param HTTPRequest $request |
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* @return string |
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*/ |
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public function doSearch($gridField, $request) |
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{ |
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$searchStr = $request->getVar('gridfield_relationsearch'); |
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$dataClass = $gridField->getModelClass(); |
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$searchFields = ($this->getSearchFields()) |
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? $this->getSearchFields() |
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: $this->scaffoldSearchFields($dataClass); |
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if (!$searchFields) { |
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throw new LogicException( |
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sprintf( |
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'GridFieldAddExistingAutocompleter: No searchable fields could be found for class "%s"', |
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$dataClass |
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) |
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); |
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} |
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$params = []; |
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foreach ($searchFields as $searchField) { |
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$name = (strpos($searchField, ':') !== false) ? $searchField : "$searchField:StartsWith"; |
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$params[$name] = $searchStr; |
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} |
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$results = null; |
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if ($this->searchList) { |
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// Assume custom sorting, don't apply default sorting |
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$results = $this->searchList; |
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} else { |
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$results = DataList::create($dataClass) |
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->sort(strtok($searchFields[0], ':'), 'ASC'); |
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} |
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// Apply baseline filtering and limits which should hold regardless of any customisations |
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$results = $results |
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->subtract($gridField->getList()) |
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->filterAny($params) |
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->limit($this->getResultsLimit()); |
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$json = []; |
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Config::nest(); |
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SSViewer::config()->update('source_file_comments', false); |
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$viewer = SSViewer::fromString($this->resultsFormat); |
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foreach ($results as $result) { |
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$title = Convert::html2raw($viewer->process($result)); |
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$json[] = [ |
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'label' => $title, |
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'value' => $title, |
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'id' => $result->ID, |
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]; |
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} |
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Config::unnest(); |
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$response = new HTTPResponse(json_encode($json)); |
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$response->addHeader('Content-Type', 'application/json'); |
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return $response; |
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} |
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/** |
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* @param string $format |
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* |
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* @return $this |
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*/ |
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public function setResultsFormat($format) |
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{ |
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$this->resultsFormat = $format; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getResultsFormat() |
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{ |
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return $this->resultsFormat; |
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} |
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/** |
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* Sets the base list instance which will be used for the autocomplete |
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* search. |
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* |
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* @param SS_List $list |
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*/ |
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public function setSearchList(SS_List $list) |
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{ |
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$this->searchList = $list; |
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return $this; |
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} |
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/** |
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* @param array $fields |
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* @return $this |
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*/ |
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public function setSearchFields($fields) |
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{ |
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$this->searchFields = $fields; |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function getSearchFields() |
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{ |
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return $this->searchFields; |
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} |
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/** |
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* Detect searchable fields and searchable relations. |
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* Falls back to {@link DataObject->summaryFields()} if |
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* no custom search fields are defined. |
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* |
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* @param string $dataClass The class name |
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* @return array|null names of the searchable fields |
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*/ |
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public function scaffoldSearchFields($dataClass) |
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{ |
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$obj = DataObject::singleton($dataClass); |
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$fields = null; |
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if ($fieldSpecs = $obj->searchableFields()) { |
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$customSearchableFields = $obj->config()->get('searchable_fields'); |
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foreach ($fieldSpecs as $name => $spec) { |
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if (is_array($spec) && array_key_exists('filter', $spec)) { |
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// The searchableFields() spec defaults to PartialMatch, |
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// so we need to check the original setting. |
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// If the field is defined $searchable_fields = array('MyField'), |
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// then default to StartsWith filter, which makes more sense in this context. |
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if (!$customSearchableFields || array_search($name, $customSearchableFields) !== false) { |
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$filter = 'StartsWith'; |
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} else { |
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$filterName = $spec['filter']; |
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// It can be an instance |
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if ($filterName instanceof SearchFilter) { |
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$filterName = get_class($filterName); |
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} |
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// It can be a fully qualified class name |
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if (strpos($filterName, '\\') !== false) { |
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$filterNameParts = explode("\\", $filterName); |
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// We expect an alias matching the class name without namespace, see #coresearchaliases |
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$filterName = array_pop($filterNameParts); |
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} |
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$filter = preg_replace('/Filter$/', '', $filterName); |
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} |
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$fields[] = "{$name}:{$filter}"; |
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} else { |
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$fields[] = $name; |
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} |
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} |
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} |
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if (is_null($fields)) { |
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if ($obj->hasDatabaseField('Title')) { |
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|
|
$fields = ['Title']; |
376
|
|
|
} elseif ($obj->hasDatabaseField('Name')) { |
377
|
|
|
$fields = ['Name']; |
378
|
|
|
} |
379
|
|
|
} |
380
|
|
|
|
381
|
|
|
return $fields; |
382
|
|
|
} |
383
|
|
|
|
384
|
|
|
/** |
385
|
|
|
* @param string $dataClass The class of the object being searched for |
386
|
|
|
* |
387
|
|
|
* @return string |
388
|
|
|
*/ |
389
|
|
|
public function getPlaceholderText($dataClass) |
390
|
|
|
{ |
391
|
|
|
$searchFields = ($this->getSearchFields()) |
392
|
|
|
? $this->getSearchFields() |
393
|
|
|
: $this->scaffoldSearchFields($dataClass); |
394
|
|
|
|
395
|
|
|
if ($this->placeholderText) { |
396
|
|
|
return $this->placeholderText; |
397
|
|
|
} else { |
398
|
|
|
$labels = []; |
399
|
|
|
if ($searchFields) { |
400
|
|
|
foreach ($searchFields as $searchField) { |
401
|
|
|
$searchField = explode(':', $searchField); |
402
|
|
|
$label = singleton($dataClass)->fieldLabel($searchField[0]); |
403
|
|
|
if ($label) { |
404
|
|
|
$labels[] = $label; |
405
|
|
|
} |
406
|
|
|
} |
407
|
|
|
} |
408
|
|
|
if ($labels) { |
409
|
|
|
return _t( |
410
|
|
|
'SilverStripe\\Forms\\GridField\\GridField.PlaceHolderWithLabels', |
411
|
|
|
'Find {type} by {name}', |
412
|
|
|
['type' => singleton($dataClass)->i18n_plural_name(), 'name' => implode(', ', $labels)] |
413
|
|
|
); |
414
|
|
|
} else { |
415
|
|
|
return _t( |
416
|
|
|
'SilverStripe\\Forms\\GridField\\GridField.PlaceHolder', |
417
|
|
|
'Find {type}', |
418
|
|
|
['type' => singleton($dataClass)->i18n_plural_name()] |
419
|
|
|
); |
420
|
|
|
} |
421
|
|
|
} |
422
|
|
|
} |
423
|
|
|
|
424
|
|
|
/** |
425
|
|
|
* @param string $text |
426
|
|
|
* |
427
|
|
|
* @return $this |
428
|
|
|
*/ |
429
|
|
|
public function setPlaceholderText($text) |
430
|
|
|
{ |
431
|
|
|
$this->placeholderText = $text; |
432
|
|
|
return $this; |
433
|
|
|
} |
434
|
|
|
|
435
|
|
|
/** |
436
|
|
|
* Gets the maximum number of autocomplete results to display. |
437
|
|
|
* |
438
|
|
|
* @return int |
439
|
|
|
*/ |
440
|
|
|
public function getResultsLimit() |
441
|
|
|
{ |
442
|
|
|
return $this->resultsLimit; |
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
/** |
446
|
|
|
* @param int $limit |
447
|
|
|
* |
448
|
|
|
* @return $this |
449
|
|
|
*/ |
450
|
|
|
public function setResultsLimit($limit) |
451
|
|
|
{ |
452
|
|
|
$this->resultsLimit = $limit; |
453
|
|
|
return $this; |
454
|
|
|
} |
455
|
|
|
} |
456
|
|
|
|